xref: /sqlite-3.40.0/src/test1.c (revision 8f1eb6f5)
1 /*
2 ** 2001 September 15
3 **
4 ** The author disclaims copyright to this source code.  In place of
5 ** a legal notice, here is a blessing:
6 **
7 **    May you do good and not evil.
8 **    May you find forgiveness for yourself and forgive others.
9 **    May you share freely, never taking more than you give.
10 **
11 *************************************************************************
12 ** Code for testing all sorts of SQLite interfaces.  This code
13 ** is not included in the SQLite library.  It is used for automated
14 ** testing of the SQLite library.
15 */
16 #include "sqliteInt.h"
17 #if SQLITE_OS_WIN
18 #  include "os_win.h"
19 #endif
20 
21 #include "vdbeInt.h"
22 #if defined(INCLUDE_SQLITE_TCL_H)
23 #  include "sqlite_tcl.h"
24 #else
25 #  include "tcl.h"
26 #endif
27 #include <stdlib.h>
28 #include <string.h>
29 
30 /*
31 ** This is a copy of the first part of the SqliteDb structure in
32 ** tclsqlite.c.  We need it here so that the get_sqlite_pointer routine
33 ** can extract the sqlite3* pointer from an existing Tcl SQLite
34 ** connection.
35 */
36 struct SqliteDb {
37   sqlite3 *db;
38 };
39 
40 /*
41 ** Convert text generated by the "%p" conversion format back into
42 ** a pointer.
43 */
44 static int testHexToInt(int h){
45   if( h>='0' && h<='9' ){
46     return h - '0';
47   }else if( h>='a' && h<='f' ){
48     return h - 'a' + 10;
49   }else{
50     assert( h>='A' && h<='F' );
51     return h - 'A' + 10;
52   }
53 }
54 void *sqlite3TestTextToPtr(const char *z){
55   void *p;
56   u64 v;
57   u32 v2;
58   if( z[0]=='0' && z[1]=='x' ){
59     z += 2;
60   }
61   v = 0;
62   while( *z ){
63     v = (v<<4) + testHexToInt(*z);
64     z++;
65   }
66   if( sizeof(p)==sizeof(v) ){
67     memcpy(&p, &v, sizeof(p));
68   }else{
69     assert( sizeof(p)==sizeof(v2) );
70     v2 = (u32)v;
71     memcpy(&p, &v2, sizeof(p));
72   }
73   return p;
74 }
75 
76 
77 /*
78 ** A TCL command that returns the address of the sqlite* pointer
79 ** for an sqlite connection instance.  Bad things happen if the
80 ** input is not an sqlite connection.
81 */
82 static int SQLITE_TCLAPI get_sqlite_pointer(
83   void * clientData,
84   Tcl_Interp *interp,
85   int objc,
86   Tcl_Obj *CONST objv[]
87 ){
88   struct SqliteDb *p;
89   Tcl_CmdInfo cmdInfo;
90   char zBuf[100];
91   if( objc!=2 ){
92     Tcl_WrongNumArgs(interp, 1, objv, "SQLITE-CONNECTION");
93     return TCL_ERROR;
94   }
95   if( !Tcl_GetCommandInfo(interp, Tcl_GetString(objv[1]), &cmdInfo) ){
96     Tcl_AppendResult(interp, "command not found: ",
97            Tcl_GetString(objv[1]), (char*)0);
98     return TCL_ERROR;
99   }
100   p = (struct SqliteDb*)cmdInfo.objClientData;
101   sqlite3_snprintf(sizeof(zBuf), zBuf, "%p", p->db);
102   Tcl_AppendResult(interp, zBuf, 0);
103   return TCL_OK;
104 }
105 
106 /*
107 ** Decode a pointer to an sqlite3 object.
108 */
109 int getDbPointer(Tcl_Interp *interp, const char *zA, sqlite3 **ppDb){
110   struct SqliteDb *p;
111   Tcl_CmdInfo cmdInfo;
112   if( Tcl_GetCommandInfo(interp, zA, &cmdInfo) ){
113     p = (struct SqliteDb*)cmdInfo.objClientData;
114     *ppDb = p->db;
115   }else{
116     *ppDb = (sqlite3*)sqlite3TestTextToPtr(zA);
117   }
118   return TCL_OK;
119 }
120 
121 #if SQLITE_OS_WIN
122 /*
123 ** Decode a Win32 HANDLE object.
124 */
125 int getWin32Handle(Tcl_Interp *interp, const char *zA, LPHANDLE phFile){
126   *phFile = (HANDLE)sqlite3TestTextToPtr(zA);
127   return TCL_OK;
128 }
129 #endif
130 
131 extern const char *sqlite3ErrName(int);
132 #define t1ErrorName sqlite3ErrName
133 
134 /*
135 ** Convert an sqlite3_stmt* into an sqlite3*.  This depends on the
136 ** fact that the sqlite3* is the first field in the Vdbe structure.
137 */
138 #define StmtToDb(X)   sqlite3_db_handle(X)
139 
140 /*
141 ** Check a return value to make sure it agrees with the results
142 ** from sqlite3_errcode.
143 */
144 int sqlite3TestErrCode(Tcl_Interp *interp, sqlite3 *db, int rc){
145   if( sqlite3_threadsafe()==0 && rc!=SQLITE_MISUSE && rc!=SQLITE_OK
146    && sqlite3_errcode(db)!=rc ){
147     char zBuf[200];
148     int r2 = sqlite3_errcode(db);
149     sqlite3_snprintf(sizeof(zBuf), zBuf,
150        "error code %s (%d) does not match sqlite3_errcode %s (%d)",
151        t1ErrorName(rc), rc, t1ErrorName(r2), r2);
152     Tcl_ResetResult(interp);
153     Tcl_AppendResult(interp, zBuf, 0);
154     return 1;
155   }
156   return 0;
157 }
158 
159 /*
160 ** Decode a pointer to an sqlite3_stmt object.
161 */
162 static int getStmtPointer(
163   Tcl_Interp *interp,
164   const char *zArg,
165   sqlite3_stmt **ppStmt
166 ){
167   *ppStmt = (sqlite3_stmt*)sqlite3TestTextToPtr(zArg);
168   return TCL_OK;
169 }
170 
171 /*
172 ** Generate a text representation of a pointer that can be understood
173 ** by the getDbPointer and getVmPointer routines above.
174 **
175 ** The problem is, on some machines (Solaris) if you do a printf with
176 ** "%p" you cannot turn around and do a scanf with the same "%p" and
177 ** get your pointer back.  You have to prepend a "0x" before it will
178 ** work.  Or at least that is what is reported to me (drh).  But this
179 ** behavior varies from machine to machine.  The solution used her is
180 ** to test the string right after it is generated to see if it can be
181 ** understood by scanf, and if not, try prepending an "0x" to see if
182 ** that helps.  If nothing works, a fatal error is generated.
183 */
184 int sqlite3TestMakePointerStr(Tcl_Interp *interp, char *zPtr, void *p){
185   sqlite3_snprintf(100, zPtr, "%p", p);
186   return TCL_OK;
187 }
188 
189 /*
190 ** The callback routine for sqlite3_exec_printf().
191 */
192 static int exec_printf_cb(void *pArg, int argc, char **argv, char **name){
193   Tcl_DString *str = (Tcl_DString*)pArg;
194   int i;
195 
196   if( Tcl_DStringLength(str)==0 ){
197     for(i=0; i<argc; i++){
198       Tcl_DStringAppendElement(str, name[i] ? name[i] : "NULL");
199     }
200   }
201   for(i=0; i<argc; i++){
202     Tcl_DStringAppendElement(str, argv[i] ? argv[i] : "NULL");
203   }
204   return 0;
205 }
206 
207 /*
208 ** The I/O tracing callback.
209 */
210 #if !defined(SQLITE_OMIT_TRACE) && defined(SQLITE_ENABLE_IOTRACE)
211 static FILE *iotrace_file = 0;
212 static void io_trace_callback(const char *zFormat, ...){
213   va_list ap;
214   va_start(ap, zFormat);
215   vfprintf(iotrace_file, zFormat, ap);
216   va_end(ap);
217   fflush(iotrace_file);
218 }
219 #endif
220 
221 /*
222 ** Usage:  io_trace FILENAME
223 **
224 ** Turn I/O tracing on or off.  If FILENAME is not an empty string,
225 ** I/O tracing begins going into FILENAME. If FILENAME is an empty
226 ** string, I/O tracing is turned off.
227 */
228 static int SQLITE_TCLAPI test_io_trace(
229   void *NotUsed,
230   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
231   int argc,              /* Number of arguments */
232   char **argv            /* Text of each argument */
233 ){
234 #if !defined(SQLITE_OMIT_TRACE) && defined(SQLITE_ENABLE_IOTRACE)
235   if( argc!=2 ){
236     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
237           " FILENAME\"", 0);
238     return TCL_ERROR;
239   }
240   if( iotrace_file ){
241     if( iotrace_file!=stdout && iotrace_file!=stderr ){
242       fclose(iotrace_file);
243     }
244     iotrace_file = 0;
245     sqlite3IoTrace = 0;
246   }
247   if( argv[1][0] ){
248     if( strcmp(argv[1],"stdout")==0 ){
249       iotrace_file = stdout;
250     }else if( strcmp(argv[1],"stderr")==0 ){
251       iotrace_file = stderr;
252     }else{
253       iotrace_file = fopen(argv[1], "w");
254     }
255     sqlite3IoTrace = io_trace_callback;
256   }
257 #endif
258   return TCL_OK;
259 }
260 
261 /*
262 ** Usage:  clang_sanitize_address
263 **
264 ** Returns true if the program was compiled using clang with the
265 ** -fsanitize=address switch on the command line. False otherwise.
266 **
267 ** Also return true if the OMIT_MISUSE environment variable exists.
268 */
269 static int SQLITE_TCLAPI clang_sanitize_address(
270   void *NotUsed,
271   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
272   int argc,              /* Number of arguments */
273   char **argv            /* Text of each argument */
274 ){
275   int res = 0;
276 #if defined(__has_feature)
277 # if __has_feature(address_sanitizer)
278   res = 1;
279 # endif
280 #endif
281 #ifdef __SANITIZE_ADDRESS__
282   res = 1;
283 #endif
284   if( res==0 && getenv("OMIT_MISUSE")!=0 ) res = 1;
285   Tcl_SetObjResult(interp, Tcl_NewIntObj(res));
286   return TCL_OK;
287 }
288 
289 /*
290 ** Usage:  sqlite3_exec_printf  DB  FORMAT  STRING
291 **
292 ** Invoke the sqlite3_exec_printf() interface using the open database
293 ** DB.  The SQL is the string FORMAT.  The format string should contain
294 ** one %s or %q.  STRING is the value inserted into %s or %q.
295 */
296 static int SQLITE_TCLAPI test_exec_printf(
297   void *NotUsed,
298   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
299   int argc,              /* Number of arguments */
300   char **argv            /* Text of each argument */
301 ){
302   sqlite3 *db;
303   Tcl_DString str;
304   int rc;
305   char *zErr = 0;
306   char *zSql;
307   char zBuf[30];
308   if( argc!=4 ){
309     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
310        " DB FORMAT STRING", 0);
311     return TCL_ERROR;
312   }
313   if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
314   Tcl_DStringInit(&str);
315   zSql = sqlite3_mprintf(argv[2], argv[3]);
316   rc = sqlite3_exec(db, zSql, exec_printf_cb, &str, &zErr);
317   sqlite3_free(zSql);
318   sqlite3_snprintf(sizeof(zBuf), zBuf, "%d", rc);
319   Tcl_AppendElement(interp, zBuf);
320   Tcl_AppendElement(interp, rc==SQLITE_OK ? Tcl_DStringValue(&str) : zErr);
321   Tcl_DStringFree(&str);
322   if( zErr ) sqlite3_free(zErr);
323   if( sqlite3TestErrCode(interp, db, rc) ) return TCL_ERROR;
324   return TCL_OK;
325 }
326 
327 /*
328 ** Usage:  sqlite3_exec_hex  DB  HEX
329 **
330 ** Invoke the sqlite3_exec() on a string that is obtained by translating
331 ** HEX into ASCII.  Most characters are translated as is.  %HH becomes
332 ** a hex character.
333 */
334 static int SQLITE_TCLAPI test_exec_hex(
335   void *NotUsed,
336   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
337   int argc,              /* Number of arguments */
338   char **argv            /* Text of each argument */
339 ){
340   sqlite3 *db;
341   Tcl_DString str;
342   int rc, i, j;
343   char *zErr = 0;
344   char *zHex;
345   char zSql[501];
346   char zBuf[30];
347   if( argc!=3 ){
348     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
349        " DB HEX", 0);
350     return TCL_ERROR;
351   }
352   if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
353   zHex = argv[2];
354   for(i=j=0; i<(sizeof(zSql)-1) && zHex[j]; i++, j++){
355     if( zHex[j]=='%' && zHex[j+2] && zHex[j+2] ){
356       zSql[i] = (testHexToInt(zHex[j+1])<<4) + testHexToInt(zHex[j+2]);
357       j += 2;
358     }else{
359       zSql[i] = zHex[j];
360     }
361   }
362   zSql[i] = 0;
363   Tcl_DStringInit(&str);
364   rc = sqlite3_exec(db, zSql, exec_printf_cb, &str, &zErr);
365   sqlite3_snprintf(sizeof(zBuf), zBuf, "%d", rc);
366   Tcl_AppendElement(interp, zBuf);
367   Tcl_AppendElement(interp, rc==SQLITE_OK ? Tcl_DStringValue(&str) : zErr);
368   Tcl_DStringFree(&str);
369   if( zErr ) sqlite3_free(zErr);
370   if( sqlite3TestErrCode(interp, db, rc) ) return TCL_ERROR;
371   return TCL_OK;
372 }
373 
374 /*
375 ** Usage:  db_enter DB
376 **         db_leave DB
377 **
378 ** Enter or leave the mutex on a database connection.
379 */
380 static int SQLITE_TCLAPI db_enter(
381   void *NotUsed,
382   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
383   int argc,              /* Number of arguments */
384   char **argv            /* Text of each argument */
385 ){
386   sqlite3 *db;
387   if( argc!=2 ){
388     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
389        " DB", 0);
390     return TCL_ERROR;
391   }
392   if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
393   sqlite3_mutex_enter(db->mutex);
394   return TCL_OK;
395 }
396 static int SQLITE_TCLAPI db_leave(
397   void *NotUsed,
398   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
399   int argc,              /* Number of arguments */
400   char **argv            /* Text of each argument */
401 ){
402   sqlite3 *db;
403   if( argc!=2 ){
404     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
405        " DB", 0);
406     return TCL_ERROR;
407   }
408   if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
409   sqlite3_mutex_leave(db->mutex);
410   return TCL_OK;
411 }
412 
413 /*
414 ** Usage:  sqlite3_exec  DB  SQL
415 **
416 ** Invoke the sqlite3_exec interface using the open database DB
417 */
418 static int SQLITE_TCLAPI test_exec(
419   void *NotUsed,
420   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
421   int argc,              /* Number of arguments */
422   char **argv            /* Text of each argument */
423 ){
424   sqlite3 *db;
425   Tcl_DString str;
426   int rc;
427   char *zErr = 0;
428   char *zSql;
429   int i, j;
430   char zBuf[30];
431   if( argc!=3 ){
432     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
433        " DB SQL", 0);
434     return TCL_ERROR;
435   }
436   if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
437   Tcl_DStringInit(&str);
438   zSql = sqlite3_mprintf("%s", argv[2]);
439   for(i=j=0; zSql[i];){
440     if( zSql[i]=='%' ){
441       zSql[j++] = (testHexToInt(zSql[i+1])<<4) + testHexToInt(zSql[i+2]);
442       i += 3;
443     }else{
444       zSql[j++] = zSql[i++];
445     }
446   }
447   zSql[j] = 0;
448   rc = sqlite3_exec(db, zSql, exec_printf_cb, &str, &zErr);
449   sqlite3_free(zSql);
450   sqlite3_snprintf(sizeof(zBuf), zBuf, "%d", rc);
451   Tcl_AppendElement(interp, zBuf);
452   Tcl_AppendElement(interp, rc==SQLITE_OK ? Tcl_DStringValue(&str) : zErr);
453   Tcl_DStringFree(&str);
454   if( zErr ) sqlite3_free(zErr);
455   if( sqlite3TestErrCode(interp, db, rc) ) return TCL_ERROR;
456   return TCL_OK;
457 }
458 
459 /*
460 ** Usage:  sqlite3_exec_nr  DB  SQL
461 **
462 ** Invoke the sqlite3_exec interface using the open database DB.  Discard
463 ** all results
464 */
465 static int SQLITE_TCLAPI test_exec_nr(
466   void *NotUsed,
467   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
468   int argc,              /* Number of arguments */
469   char **argv            /* Text of each argument */
470 ){
471   sqlite3 *db;
472   int rc;
473   char *zErr = 0;
474   if( argc!=3 ){
475     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
476        " DB SQL", 0);
477     return TCL_ERROR;
478   }
479   if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
480   rc = sqlite3_exec(db, argv[2], 0, 0, &zErr);
481   if( sqlite3TestErrCode(interp, db, rc) ) return TCL_ERROR;
482   return TCL_OK;
483 }
484 
485 /*
486 ** Usage:  sqlite3_mprintf_z_test  SEPARATOR  ARG0  ARG1 ...
487 **
488 ** Test the %z format of sqlite_mprintf().  Use multiple mprintf() calls to
489 ** concatenate arg0 through argn using separator as the separator.
490 ** Return the result.
491 */
492 static int SQLITE_TCLAPI test_mprintf_z(
493   void *NotUsed,
494   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
495   int argc,              /* Number of arguments */
496   char **argv            /* Text of each argument */
497 ){
498   char *zResult = 0;
499   int i;
500 
501   for(i=2; i<argc && (i==2 || zResult); i++){
502     zResult = sqlite3_mprintf("%z%s%s", zResult, argv[1], argv[i]);
503   }
504   Tcl_AppendResult(interp, zResult, 0);
505   sqlite3_free(zResult);
506   return TCL_OK;
507 }
508 
509 /*
510 ** Usage:  sqlite3_mprintf_n_test  STRING
511 **
512 ** Test the %n format of sqlite_mprintf().  Return the length of the
513 ** input string.
514 */
515 static int SQLITE_TCLAPI test_mprintf_n(
516   void *NotUsed,
517   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
518   int argc,              /* Number of arguments */
519   char **argv            /* Text of each argument */
520 ){
521   char *zStr;
522   int n = 0;
523   zStr = sqlite3_mprintf("%s%n", argv[1], &n);
524   sqlite3_free(zStr);
525   Tcl_SetObjResult(interp, Tcl_NewIntObj(n));
526   return TCL_OK;
527 }
528 
529 /*
530 ** Usage:  sqlite3_snprintf_int  SIZE FORMAT  INT
531 **
532 ** Test the of sqlite3_snprintf() routine.  SIZE is the size of the
533 ** output buffer in bytes.  The maximum size is 100.  FORMAT is the
534 ** format string.  INT is a single integer argument.  The FORMAT
535 ** string must require no more than this one integer argument.  If
536 ** You pass in a format string that requires more than one argument,
537 ** bad things will happen.
538 */
539 static int SQLITE_TCLAPI test_snprintf_int(
540   void *NotUsed,
541   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
542   int argc,              /* Number of arguments */
543   char **argv            /* Text of each argument */
544 ){
545   char zStr[100];
546   int n = atoi(argv[1]);
547   const char *zFormat = argv[2];
548   int a1 = atoi(argv[3]);
549   if( n>sizeof(zStr) ) n = sizeof(zStr);
550   sqlite3_snprintf(sizeof(zStr), zStr, "abcdefghijklmnopqrstuvwxyz");
551   sqlite3_snprintf(n, zStr, zFormat, a1);
552   Tcl_AppendResult(interp, zStr, 0);
553   return TCL_OK;
554 }
555 
556 #ifndef SQLITE_OMIT_GET_TABLE
557 
558 /*
559 ** Usage:  sqlite3_get_table_printf  DB  FORMAT  STRING  ?--no-counts?
560 **
561 ** Invoke the sqlite3_get_table_printf() interface using the open database
562 ** DB.  The SQL is the string FORMAT.  The format string should contain
563 ** one %s or %q.  STRING is the value inserted into %s or %q.
564 */
565 static int SQLITE_TCLAPI test_get_table_printf(
566   void *NotUsed,
567   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
568   int argc,              /* Number of arguments */
569   char **argv            /* Text of each argument */
570 ){
571   sqlite3 *db;
572   Tcl_DString str;
573   int rc;
574   char *zErr = 0;
575   int nRow = 0, nCol = 0;
576   char **aResult;
577   int i;
578   char zBuf[30];
579   char *zSql;
580   int resCount = -1;
581   if( argc==5 ){
582     if( Tcl_GetInt(interp, argv[4], &resCount) ) return TCL_ERROR;
583   }
584   if( argc!=4 && argc!=5 ){
585     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
586        " DB FORMAT STRING ?COUNT?", 0);
587     return TCL_ERROR;
588   }
589   if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
590   Tcl_DStringInit(&str);
591   zSql = sqlite3_mprintf(argv[2],argv[3]);
592   if( argc==5 ){
593     rc = sqlite3_get_table(db, zSql, &aResult, 0, 0, &zErr);
594   }else{
595     rc = sqlite3_get_table(db, zSql, &aResult, &nRow, &nCol, &zErr);
596     resCount = (nRow+1)*nCol;
597   }
598   sqlite3_free(zSql);
599   sqlite3_snprintf(sizeof(zBuf), zBuf, "%d", rc);
600   Tcl_AppendElement(interp, zBuf);
601   if( rc==SQLITE_OK ){
602     if( argc==4 ){
603       sqlite3_snprintf(sizeof(zBuf), zBuf, "%d", nRow);
604       Tcl_AppendElement(interp, zBuf);
605       sqlite3_snprintf(sizeof(zBuf), zBuf, "%d", nCol);
606       Tcl_AppendElement(interp, zBuf);
607     }
608     for(i=0; i<resCount; i++){
609       Tcl_AppendElement(interp, aResult[i] ? aResult[i] : "NULL");
610     }
611   }else{
612     Tcl_AppendElement(interp, zErr);
613   }
614   sqlite3_free_table(aResult);
615   if( zErr ) sqlite3_free(zErr);
616   if( sqlite3TestErrCode(interp, db, rc) ) return TCL_ERROR;
617   return TCL_OK;
618 }
619 
620 #endif /* SQLITE_OMIT_GET_TABLE */
621 
622 
623 /*
624 ** Usage:  sqlite3_last_insert_rowid DB
625 **
626 ** Returns the integer ROWID of the most recent insert.
627 */
628 static int SQLITE_TCLAPI test_last_rowid(
629   void *NotUsed,
630   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
631   int argc,              /* Number of arguments */
632   char **argv            /* Text of each argument */
633 ){
634   sqlite3 *db;
635   char zBuf[30];
636 
637   if( argc!=2 ){
638     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0], " DB\"", 0);
639     return TCL_ERROR;
640   }
641   if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
642   sqlite3_snprintf(sizeof(zBuf), zBuf, "%lld", sqlite3_last_insert_rowid(db));
643   Tcl_AppendResult(interp, zBuf, 0);
644   return SQLITE_OK;
645 }
646 
647 /*
648 ** Usage:  sqlite3_key DB KEY
649 **
650 ** Set the codec key.
651 */
652 static int SQLITE_TCLAPI test_key(
653   void *NotUsed,
654   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
655   int argc,              /* Number of arguments */
656   char **argv            /* Text of each argument */
657 ){
658   return TCL_OK;
659 }
660 
661 /*
662 ** Usage:  sqlite3_rekey DB KEY
663 **
664 ** Change the codec key.
665 */
666 static int SQLITE_TCLAPI test_rekey(
667   void *NotUsed,
668   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
669   int argc,              /* Number of arguments */
670   char **argv            /* Text of each argument */
671 ){
672   return TCL_OK;
673 }
674 
675 /*
676 ** Usage:  sqlite3_close DB
677 **
678 ** Closes the database opened by sqlite3_open.
679 */
680 static int SQLITE_TCLAPI sqlite_test_close(
681   void *NotUsed,
682   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
683   int argc,              /* Number of arguments */
684   char **argv            /* Text of each argument */
685 ){
686   sqlite3 *db;
687   int rc;
688   if( argc!=2 ){
689     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
690        " FILENAME\"", 0);
691     return TCL_ERROR;
692   }
693   if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
694   rc = sqlite3_close(db);
695   Tcl_SetResult(interp, (char *)t1ErrorName(rc), TCL_STATIC);
696   return TCL_OK;
697 }
698 
699 /*
700 ** Usage:  sqlite3_close_v2 DB
701 **
702 ** Closes the database opened by sqlite3_open.
703 */
704 static int SQLITE_TCLAPI sqlite_test_close_v2(
705   void *NotUsed,
706   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
707   int argc,              /* Number of arguments */
708   char **argv            /* Text of each argument */
709 ){
710   sqlite3 *db;
711   int rc;
712   if( argc!=2 ){
713     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
714        " FILENAME\"", 0);
715     return TCL_ERROR;
716   }
717   if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
718   rc = sqlite3_close_v2(db);
719   Tcl_SetResult(interp, (char *)t1ErrorName(rc), TCL_STATIC);
720   return TCL_OK;
721 }
722 
723 /*
724 ** Implementation of the x_coalesce() function.
725 ** Return the first argument non-NULL argument.
726 */
727 static void t1_ifnullFunc(
728   sqlite3_context *context,
729   int argc,
730   sqlite3_value **argv
731 ){
732   int i;
733   for(i=0; i<argc; i++){
734     if( SQLITE_NULL!=sqlite3_value_type(argv[i]) ){
735       int n = sqlite3_value_bytes(argv[i]);
736       sqlite3_result_text(context, (char*)sqlite3_value_text(argv[i]),
737           n, SQLITE_TRANSIENT);
738       break;
739     }
740   }
741 }
742 
743 /*
744 ** These are test functions.    hex8() interprets its argument as
745 ** UTF8 and returns a hex encoding.  hex16le() interprets its argument
746 ** as UTF16le and returns a hex encoding.
747 */
748 static void hex8Func(sqlite3_context *p, int argc, sqlite3_value **argv){
749   const unsigned char *z;
750   int i;
751   char zBuf[200];
752   z = sqlite3_value_text(argv[0]);
753   for(i=0; i<sizeof(zBuf)/2 - 2 && z[i]; i++){
754     sqlite3_snprintf(sizeof(zBuf)-i*2, &zBuf[i*2], "%02x", z[i]);
755   }
756   zBuf[i*2] = 0;
757   sqlite3_result_text(p, (char*)zBuf, -1, SQLITE_TRANSIENT);
758 }
759 #ifndef SQLITE_OMIT_UTF16
760 static void hex16Func(sqlite3_context *p, int argc, sqlite3_value **argv){
761   const unsigned short int *z;
762   int i;
763   char zBuf[400];
764   z = sqlite3_value_text16(argv[0]);
765   for(i=0; i<sizeof(zBuf)/4 - 4 && z[i]; i++){
766     sqlite3_snprintf(sizeof(zBuf)-i*4, &zBuf[i*4],"%04x", z[i]&0xff);
767   }
768   zBuf[i*4] = 0;
769   sqlite3_result_text(p, (char*)zBuf, -1, SQLITE_TRANSIENT);
770 }
771 #endif
772 
773 /*
774 ** A structure into which to accumulate text.
775 */
776 struct dstr {
777   int nAlloc;  /* Space allocated */
778   int nUsed;   /* Space used */
779   char *z;     /* The space */
780 };
781 
782 /*
783 ** Append text to a dstr
784 */
785 static void dstrAppend(struct dstr *p, const char *z, int divider){
786   int n = (int)strlen(z);
787   if( p->nUsed + n + 2 > p->nAlloc ){
788     char *zNew;
789     p->nAlloc = p->nAlloc*2 + n + 200;
790     zNew = sqlite3_realloc(p->z, p->nAlloc);
791     if( zNew==0 ){
792       sqlite3_free(p->z);
793       memset(p, 0, sizeof(*p));
794       return;
795     }
796     p->z = zNew;
797   }
798   if( divider && p->nUsed>0 ){
799     p->z[p->nUsed++] = divider;
800   }
801   memcpy(&p->z[p->nUsed], z, n+1);
802   p->nUsed += n;
803 }
804 
805 /*
806 ** Invoked for each callback from sqlite3ExecFunc
807 */
808 static int execFuncCallback(void *pData, int argc, char **argv, char **NotUsed){
809   struct dstr *p = (struct dstr*)pData;
810   int i;
811   for(i=0; i<argc; i++){
812     if( argv[i]==0 ){
813       dstrAppend(p, "NULL", ' ');
814     }else{
815       dstrAppend(p, argv[i], ' ');
816     }
817   }
818   return 0;
819 }
820 
821 /*
822 ** Implementation of the x_sqlite_exec() function.  This function takes
823 ** a single argument and attempts to execute that argument as SQL code.
824 ** This is illegal and should set the SQLITE_MISUSE flag on the database.
825 **
826 ** 2004-Jan-07:  We have changed this to make it legal to call sqlite3_exec()
827 ** from within a function call.
828 **
829 ** This routine simulates the effect of having two threads attempt to
830 ** use the same database at the same time.
831 */
832 static void sqlite3ExecFunc(
833   sqlite3_context *context,
834   int argc,
835   sqlite3_value **argv
836 ){
837   struct dstr x;
838   memset(&x, 0, sizeof(x));
839   (void)sqlite3_exec((sqlite3*)sqlite3_user_data(context),
840       (char*)sqlite3_value_text(argv[0]),
841       execFuncCallback, &x, 0);
842   sqlite3_result_text(context, x.z, x.nUsed, SQLITE_TRANSIENT);
843   sqlite3_free(x.z);
844 }
845 
846 /*
847 ** Implementation of tkt2213func(), a scalar function that takes exactly
848 ** one argument. It has two interesting features:
849 **
850 ** * It calls sqlite3_value_text() 3 times on the argument sqlite3_value*.
851 **   If the three pointers returned are not the same an SQL error is raised.
852 **
853 ** * Otherwise it returns a copy of the text representation of its
854 **   argument in such a way as the VDBE representation is a Mem* cell
855 **   with the MEM_Term flag clear.
856 **
857 ** Ticket #2213 can therefore be tested by evaluating the following
858 ** SQL expression:
859 **
860 **   tkt2213func(tkt2213func('a string'));
861 */
862 static void tkt2213Function(
863   sqlite3_context *context,
864   int argc,
865   sqlite3_value **argv
866 ){
867   int nText;
868   unsigned char const *zText1;
869   unsigned char const *zText2;
870   unsigned char const *zText3;
871 
872   nText = sqlite3_value_bytes(argv[0]);
873   zText1 = sqlite3_value_text(argv[0]);
874   zText2 = sqlite3_value_text(argv[0]);
875   zText3 = sqlite3_value_text(argv[0]);
876 
877   if( zText1!=zText2 || zText2!=zText3 ){
878     sqlite3_result_error(context, "tkt2213 is not fixed", -1);
879   }else{
880     char *zCopy = (char *)sqlite3_malloc(nText);
881     memcpy(zCopy, zText1, nText);
882     sqlite3_result_text(context, zCopy, nText, sqlite3_free);
883   }
884 }
885 
886 /*
887 ** The following SQL function takes 4 arguments.  The 2nd and
888 ** 4th argument must be one of these strings:  'text', 'text16',
889 ** or 'blob' corresponding to API functions
890 **
891 **      sqlite3_value_text()
892 **      sqlite3_value_text16()
893 **      sqlite3_value_blob()
894 **
895 ** The third argument is a string, either 'bytes' or 'bytes16' or 'noop',
896 ** corresponding to APIs:
897 **
898 **      sqlite3_value_bytes()
899 **      sqlite3_value_bytes16()
900 **      noop
901 **
902 ** The APIs designated by the 2nd through 4th arguments are applied
903 ** to the first argument in order.  If the pointers returned by the
904 ** second and fourth are different, this routine returns 1.  Otherwise,
905 ** this routine returns 0.
906 **
907 ** This function is used to test to see when returned pointers from
908 ** the _text(), _text16() and _blob() APIs become invalidated.
909 */
910 static void ptrChngFunction(
911   sqlite3_context *context,
912   int argc,
913   sqlite3_value **argv
914 ){
915   const void *p1, *p2;
916   const char *zCmd;
917   if( argc!=4 ) return;
918   zCmd = (const char*)sqlite3_value_text(argv[1]);
919   if( zCmd==0 ) return;
920   if( strcmp(zCmd,"text")==0 ){
921     p1 = (const void*)sqlite3_value_text(argv[0]);
922 #ifndef SQLITE_OMIT_UTF16
923   }else if( strcmp(zCmd, "text16")==0 ){
924     p1 = (const void*)sqlite3_value_text16(argv[0]);
925 #endif
926   }else if( strcmp(zCmd, "blob")==0 ){
927     p1 = (const void*)sqlite3_value_blob(argv[0]);
928   }else{
929     return;
930   }
931   zCmd = (const char*)sqlite3_value_text(argv[2]);
932   if( zCmd==0 ) return;
933   if( strcmp(zCmd,"bytes")==0 ){
934     sqlite3_value_bytes(argv[0]);
935 #ifndef SQLITE_OMIT_UTF16
936   }else if( strcmp(zCmd, "bytes16")==0 ){
937     sqlite3_value_bytes16(argv[0]);
938 #endif
939   }else if( strcmp(zCmd, "noop")==0 ){
940     /* do nothing */
941   }else{
942     return;
943   }
944   zCmd = (const char*)sqlite3_value_text(argv[3]);
945   if( zCmd==0 ) return;
946   if( strcmp(zCmd,"text")==0 ){
947     p2 = (const void*)sqlite3_value_text(argv[0]);
948 #ifndef SQLITE_OMIT_UTF16
949   }else if( strcmp(zCmd, "text16")==0 ){
950     p2 = (const void*)sqlite3_value_text16(argv[0]);
951 #endif
952   }else if( strcmp(zCmd, "blob")==0 ){
953     p2 = (const void*)sqlite3_value_blob(argv[0]);
954   }else{
955     return;
956   }
957   sqlite3_result_int(context, p1!=p2);
958 }
959 
960 /*
961 ** This SQL function returns a different answer each time it is called, even if
962 ** the arguments are the same.
963 */
964 static void nondeterministicFunction(
965   sqlite3_context *context,
966   int argc,
967   sqlite3_value **argv
968 ){
969   static int cnt = 0;
970   sqlite3_result_int(context, cnt++);
971 }
972 
973 /*
974 ** This SQL function returns the integer value of its argument as a MEM_IntReal
975 ** value.
976 */
977 static void intrealFunction(
978   sqlite3_context *context,
979   int argc,
980   sqlite3_value **argv
981 ){
982   sqlite3_int64 v = sqlite3_value_int64(argv[0]);
983   sqlite3_result_int64(context, v);
984   sqlite3_test_control(SQLITE_TESTCTRL_RESULT_INTREAL, context);
985 }
986 
987 /*
988 ** Usage:  sqlite3_create_function DB
989 **
990 ** Call the sqlite3_create_function API on the given database in order
991 ** to create a function named "x_coalesce".  This function does the same thing
992 ** as the "coalesce" function.  This function also registers an SQL function
993 ** named "x_sqlite_exec" that invokes sqlite3_exec().  Invoking sqlite3_exec()
994 ** in this way is illegal recursion and should raise an SQLITE_MISUSE error.
995 ** The effect is similar to trying to use the same database connection from
996 ** two threads at the same time.
997 **
998 ** The original motivation for this routine was to be able to call the
999 ** sqlite3_create_function function while a query is in progress in order
1000 ** to test the SQLITE_MISUSE detection logic.
1001 */
1002 static int SQLITE_TCLAPI test_create_function(
1003   void *NotUsed,
1004   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
1005   int argc,              /* Number of arguments */
1006   char **argv            /* Text of each argument */
1007 ){
1008   int rc;
1009   sqlite3 *db;
1010 
1011   if( argc!=2 ){
1012     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
1013        " DB\"", 0);
1014     return TCL_ERROR;
1015   }
1016   if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
1017   rc = sqlite3_create_function(db, "x_coalesce", -1, SQLITE_UTF8, 0,
1018         t1_ifnullFunc, 0, 0);
1019   if( rc==SQLITE_OK ){
1020     rc = sqlite3_create_function(db, "hex8", 1, SQLITE_UTF8 | SQLITE_DETERMINISTIC,
1021           0, hex8Func, 0, 0);
1022   }
1023 #ifndef SQLITE_OMIT_UTF16
1024   if( rc==SQLITE_OK ){
1025     rc = sqlite3_create_function(db, "hex16", 1, SQLITE_UTF16 | SQLITE_DETERMINISTIC,
1026           0, hex16Func, 0, 0);
1027   }
1028 #endif
1029   if( rc==SQLITE_OK ){
1030     rc = sqlite3_create_function(db, "tkt2213func", 1, SQLITE_ANY, 0,
1031           tkt2213Function, 0, 0);
1032   }
1033   if( rc==SQLITE_OK ){
1034     rc = sqlite3_create_function(db, "pointer_change", 4, SQLITE_ANY, 0,
1035           ptrChngFunction, 0, 0);
1036   }
1037 
1038   /* Functions counter1() and counter2() have the same implementation - they
1039   ** both return an ascending integer with each call.  But counter1() is marked
1040   ** as non-deterministic and counter2() is marked as deterministic.
1041   */
1042   if( rc==SQLITE_OK ){
1043     rc = sqlite3_create_function(db, "counter1", -1, SQLITE_UTF8,
1044           0, nondeterministicFunction, 0, 0);
1045   }
1046   if( rc==SQLITE_OK ){
1047     rc = sqlite3_create_function(db, "counter2", -1, SQLITE_UTF8|SQLITE_DETERMINISTIC,
1048           0, nondeterministicFunction, 0, 0);
1049   }
1050 
1051   /* The intreal() function converts its argument to an integer and returns
1052   ** it as a MEM_IntReal.
1053   */
1054   if( rc==SQLITE_OK ){
1055     rc = sqlite3_create_function(db, "intreal", 1, SQLITE_UTF8,
1056           0, intrealFunction, 0, 0);
1057   }
1058 
1059 #ifndef SQLITE_OMIT_UTF16
1060   /* Use the sqlite3_create_function16() API here. Mainly for fun, but also
1061   ** because it is not tested anywhere else. */
1062   if( rc==SQLITE_OK ){
1063     const void *zUtf16;
1064     sqlite3_value *pVal;
1065     sqlite3_mutex_enter(db->mutex);
1066     pVal = sqlite3ValueNew(db);
1067     sqlite3ValueSetStr(pVal, -1, "x_sqlite_exec", SQLITE_UTF8, SQLITE_STATIC);
1068     zUtf16 = sqlite3ValueText(pVal, SQLITE_UTF16NATIVE);
1069     if( db->mallocFailed ){
1070       rc = SQLITE_NOMEM;
1071     }else{
1072       rc = sqlite3_create_function16(db, zUtf16,
1073                 1, SQLITE_UTF16, db, sqlite3ExecFunc, 0, 0);
1074     }
1075     sqlite3ValueFree(pVal);
1076     sqlite3_mutex_leave(db->mutex);
1077   }
1078 #endif
1079 
1080   if( sqlite3TestErrCode(interp, db, rc) ) return TCL_ERROR;
1081   Tcl_SetResult(interp, (char *)t1ErrorName(rc), 0);
1082   return TCL_OK;
1083 }
1084 
1085 /*
1086 ** Usage:  sqlite3_drop_modules DB ?NAME ...?
1087 **
1088 ** Invoke the sqlite3_drop_modules(D,L) interface on database
1089 ** connection DB, in order to drop all modules except those named in
1090 ** the argument.
1091 */
1092 static int SQLITE_TCLAPI test_drop_modules(
1093   void *NotUsed,
1094   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
1095   int argc,              /* Number of arguments */
1096   char **argv            /* Text of each argument */
1097 ){
1098   sqlite3 *db;
1099 
1100   if( argc<2 ){
1101     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
1102        " DB\"", 0);
1103     return TCL_ERROR;
1104   }
1105   if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
1106 #ifndef SQLITE_OMIT_VIRTUALTABLE
1107   sqlite3_drop_modules(db, argc>2 ? (const char**)(argv+2) : 0);
1108 #endif
1109   return TCL_OK;
1110 }
1111 
1112 /*
1113 ** Routines to implement the x_count() aggregate function.
1114 **
1115 ** x_count() counts the number of non-null arguments.  But there are
1116 ** some twists for testing purposes.
1117 **
1118 ** If the argument to x_count() is 40 then a UTF-8 error is reported
1119 ** on the step function.  If x_count(41) is seen, then a UTF-16 error
1120 ** is reported on the step function.  If the total count is 42, then
1121 ** a UTF-8 error is reported on the finalize function.
1122 */
1123 typedef struct t1CountCtx t1CountCtx;
1124 struct t1CountCtx {
1125   int n;
1126 };
1127 static void t1CountStep(
1128   sqlite3_context *context,
1129   int argc,
1130   sqlite3_value **argv
1131 ){
1132   t1CountCtx *p;
1133   p = sqlite3_aggregate_context(context, sizeof(*p));
1134   if( (argc==0 || SQLITE_NULL!=sqlite3_value_type(argv[0]) ) && p ){
1135     p->n++;
1136   }
1137   if( argc>0 ){
1138     int v = sqlite3_value_int(argv[0]);
1139     if( v==40 ){
1140       sqlite3_result_error(context, "value of 40 handed to x_count", -1);
1141 #ifndef SQLITE_OMIT_UTF16
1142     }else if( v==41 ){
1143       const char zUtf16ErrMsg[] = { 0, 0x61, 0, 0x62, 0, 0x63, 0, 0, 0};
1144       sqlite3_result_error16(context, &zUtf16ErrMsg[1-SQLITE_BIGENDIAN], -1);
1145 #endif
1146     }
1147   }
1148 }
1149 static void t1CountFinalize(sqlite3_context *context){
1150   t1CountCtx *p;
1151   p = sqlite3_aggregate_context(context, sizeof(*p));
1152   if( p ){
1153     if( p->n==42 ){
1154       sqlite3_result_error(context, "x_count totals to 42", -1);
1155     }else{
1156       sqlite3_result_int(context, p ? p->n : 0);
1157     }
1158   }
1159 }
1160 
1161 #ifndef SQLITE_OMIT_DEPRECATED
1162 static void legacyCountStep(
1163   sqlite3_context *context,
1164   int argc,
1165   sqlite3_value **argv
1166 ){
1167   /* no-op */
1168 }
1169 
1170 static void legacyCountFinalize(sqlite3_context *context){
1171   sqlite3_result_int(context, sqlite3_aggregate_count(context));
1172 }
1173 #endif
1174 
1175 /*
1176 ** Usage:  sqlite3_create_aggregate DB
1177 **
1178 ** Call the sqlite3_create_function API on the given database in order
1179 ** to create a function named "x_count".  This function is similar
1180 ** to the built-in count() function, with a few special quirks
1181 ** for testing the sqlite3_result_error() APIs.
1182 **
1183 ** The original motivation for this routine was to be able to call the
1184 ** sqlite3_create_aggregate function while a query is in progress in order
1185 ** to test the SQLITE_MISUSE detection logic.  See misuse.test.
1186 **
1187 ** This routine was later extended to test the use of sqlite3_result_error()
1188 ** within aggregate functions.
1189 **
1190 ** Later: It is now also extended to register the aggregate function
1191 ** "legacy_count()" with the supplied database handle. This is used
1192 ** to test the deprecated sqlite3_aggregate_count() API.
1193 */
1194 static int SQLITE_TCLAPI test_create_aggregate(
1195   void *NotUsed,
1196   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
1197   int argc,              /* Number of arguments */
1198   char **argv            /* Text of each argument */
1199 ){
1200   sqlite3 *db;
1201   int rc;
1202   if( argc!=2 ){
1203     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
1204        " FILENAME\"", 0);
1205     return TCL_ERROR;
1206   }
1207   if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
1208   rc = sqlite3_create_function(db, "x_count", 0, SQLITE_UTF8, 0, 0,
1209       t1CountStep,t1CountFinalize);
1210   if( rc==SQLITE_OK ){
1211     rc = sqlite3_create_function(db, "x_count", 1, SQLITE_UTF8, 0, 0,
1212         t1CountStep,t1CountFinalize);
1213   }
1214 #ifndef SQLITE_OMIT_DEPRECATED
1215   if( rc==SQLITE_OK ){
1216     rc = sqlite3_create_function(db, "legacy_count", 0, SQLITE_ANY, 0, 0,
1217         legacyCountStep, legacyCountFinalize
1218     );
1219   }
1220 #endif
1221   if( sqlite3TestErrCode(interp, db, rc) ) return TCL_ERROR;
1222   Tcl_SetResult(interp, (char *)t1ErrorName(rc), 0);
1223   return TCL_OK;
1224 }
1225 
1226 
1227 /*
1228 ** Usage:  printf TEXT
1229 **
1230 ** Send output to printf.  Use this rather than puts to merge the output
1231 ** in the correct sequence with debugging printfs inserted into C code.
1232 ** Puts uses a separate buffer and debugging statements will be out of
1233 ** sequence if it is used.
1234 */
1235 static int SQLITE_TCLAPI test_printf(
1236   void *NotUsed,
1237   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
1238   int argc,              /* Number of arguments */
1239   char **argv            /* Text of each argument */
1240 ){
1241   if( argc!=2 ){
1242     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
1243        " TEXT\"", 0);
1244     return TCL_ERROR;
1245   }
1246   printf("%s\n", argv[1]);
1247   return TCL_OK;
1248 }
1249 
1250 
1251 
1252 /*
1253 ** Usage:  sqlite3_mprintf_int FORMAT INTEGER INTEGER INTEGER
1254 **
1255 ** Call mprintf with three integer arguments
1256 */
1257 static int SQLITE_TCLAPI sqlite3_mprintf_int(
1258   void *NotUsed,
1259   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
1260   int argc,              /* Number of arguments */
1261   char **argv            /* Text of each argument */
1262 ){
1263   int a[3], i;
1264   char *z;
1265   if( argc!=5 ){
1266     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
1267        " FORMAT INT INT INT\"", 0);
1268     return TCL_ERROR;
1269   }
1270   for(i=2; i<5; i++){
1271     if( Tcl_GetInt(interp, argv[i], &a[i-2]) ) return TCL_ERROR;
1272   }
1273   z = sqlite3_mprintf(argv[1], a[0], a[1], a[2]);
1274   Tcl_AppendResult(interp, z, 0);
1275   sqlite3_free(z);
1276   return TCL_OK;
1277 }
1278 
1279 /*
1280 ** Usage:  sqlite3_mprintf_int64 FORMAT INTEGER INTEGER INTEGER
1281 **
1282 ** Call mprintf with three 64-bit integer arguments
1283 */
1284 static int SQLITE_TCLAPI sqlite3_mprintf_int64(
1285   void *NotUsed,
1286   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
1287   int argc,              /* Number of arguments */
1288   char **argv            /* Text of each argument */
1289 ){
1290   int i;
1291   sqlite_int64 a[3];
1292   char *z;
1293   if( argc!=5 ){
1294     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
1295        " FORMAT INT INT INT\"", 0);
1296     return TCL_ERROR;
1297   }
1298   for(i=2; i<5; i++){
1299     if( sqlite3Atoi64(argv[i], &a[i-2], sqlite3Strlen30(argv[i]), SQLITE_UTF8) ){
1300       Tcl_AppendResult(interp, "argument is not a valid 64-bit integer", 0);
1301       return TCL_ERROR;
1302     }
1303   }
1304   z = sqlite3_mprintf(argv[1], a[0], a[1], a[2]);
1305   Tcl_AppendResult(interp, z, 0);
1306   sqlite3_free(z);
1307   return TCL_OK;
1308 }
1309 
1310 /*
1311 ** Usage:  sqlite3_mprintf_long FORMAT INTEGER INTEGER INTEGER
1312 **
1313 ** Call mprintf with three long integer arguments.   This might be the
1314 ** same as sqlite3_mprintf_int or sqlite3_mprintf_int64, depending on
1315 ** platform.
1316 */
1317 static int SQLITE_TCLAPI sqlite3_mprintf_long(
1318   void *NotUsed,
1319   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
1320   int argc,              /* Number of arguments */
1321   char **argv            /* Text of each argument */
1322 ){
1323   int i;
1324   long int a[3];
1325   int b[3];
1326   char *z;
1327   if( argc!=5 ){
1328     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
1329        " FORMAT INT INT INT\"", 0);
1330     return TCL_ERROR;
1331   }
1332   for(i=2; i<5; i++){
1333     if( Tcl_GetInt(interp, argv[i], &b[i-2]) ) return TCL_ERROR;
1334     a[i-2] = (long int)b[i-2];
1335     a[i-2] &= (((u64)1)<<(sizeof(int)*8))-1;
1336   }
1337   z = sqlite3_mprintf(argv[1], a[0], a[1], a[2]);
1338   Tcl_AppendResult(interp, z, 0);
1339   sqlite3_free(z);
1340   return TCL_OK;
1341 }
1342 
1343 /*
1344 ** Usage:  sqlite3_mprintf_str FORMAT INTEGER INTEGER STRING
1345 **
1346 ** Call mprintf with two integer arguments and one string argument
1347 */
1348 static int SQLITE_TCLAPI sqlite3_mprintf_str(
1349   void *NotUsed,
1350   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
1351   int argc,              /* Number of arguments */
1352   char **argv            /* Text of each argument */
1353 ){
1354   int a[3], i;
1355   char *z;
1356   if( argc<4 || argc>5 ){
1357     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
1358        " FORMAT INT INT ?STRING?\"", 0);
1359     return TCL_ERROR;
1360   }
1361   for(i=2; i<4; i++){
1362     if( Tcl_GetInt(interp, argv[i], &a[i-2]) ) return TCL_ERROR;
1363   }
1364   z = sqlite3_mprintf(argv[1], a[0], a[1], argc>4 ? argv[4] : NULL);
1365   Tcl_AppendResult(interp, z, 0);
1366   sqlite3_free(z);
1367   return TCL_OK;
1368 }
1369 
1370 /*
1371 ** Usage:  sqlite3_snprintf_str INTEGER FORMAT INTEGER INTEGER STRING
1372 **
1373 ** Call mprintf with two integer arguments and one string argument
1374 */
1375 static int SQLITE_TCLAPI sqlite3_snprintf_str(
1376   void *NotUsed,
1377   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
1378   int argc,              /* Number of arguments */
1379   char **argv            /* Text of each argument */
1380 ){
1381   int a[3], i;
1382   int n;
1383   char *z;
1384   if( argc<5 || argc>6 ){
1385     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
1386        " INT FORMAT INT INT ?STRING?\"", 0);
1387     return TCL_ERROR;
1388   }
1389   if( Tcl_GetInt(interp, argv[1], &n) ) return TCL_ERROR;
1390   if( n<0 ){
1391     Tcl_AppendResult(interp, "N must be non-negative", 0);
1392     return TCL_ERROR;
1393   }
1394   for(i=3; i<5; i++){
1395     if( Tcl_GetInt(interp, argv[i], &a[i-3]) ) return TCL_ERROR;
1396   }
1397   z = sqlite3_malloc( n+1 );
1398   sqlite3_snprintf(n, z, argv[2], a[0], a[1], argc>4 ? argv[5] : NULL);
1399   Tcl_AppendResult(interp, z, 0);
1400   sqlite3_free(z);
1401   return TCL_OK;
1402 }
1403 
1404 /*
1405 ** Usage:  sqlite3_mprintf_double FORMAT INTEGER INTEGER DOUBLE
1406 **
1407 ** Call mprintf with two integer arguments and one double argument
1408 */
1409 static int SQLITE_TCLAPI sqlite3_mprintf_double(
1410   void *NotUsed,
1411   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
1412   int argc,              /* Number of arguments */
1413   char **argv            /* Text of each argument */
1414 ){
1415   int a[3], i;
1416   double r;
1417   char *z;
1418   if( argc!=5 ){
1419     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
1420        " FORMAT INT INT DOUBLE\"", 0);
1421     return TCL_ERROR;
1422   }
1423   for(i=2; i<4; i++){
1424     if( Tcl_GetInt(interp, argv[i], &a[i-2]) ) return TCL_ERROR;
1425   }
1426   if( Tcl_GetDouble(interp, argv[4], &r) ) return TCL_ERROR;
1427   z = sqlite3_mprintf(argv[1], a[0], a[1], r);
1428   Tcl_AppendResult(interp, z, 0);
1429   sqlite3_free(z);
1430   return TCL_OK;
1431 }
1432 
1433 /*
1434 ** Usage:  sqlite3_mprintf_scaled FORMAT DOUBLE DOUBLE
1435 **
1436 ** Call mprintf with a single double argument which is the product of the
1437 ** two arguments given above.  This is used to generate overflow and underflow
1438 ** doubles to test that they are converted properly.
1439 */
1440 static int SQLITE_TCLAPI sqlite3_mprintf_scaled(
1441   void *NotUsed,
1442   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
1443   int argc,              /* Number of arguments */
1444   char **argv            /* Text of each argument */
1445 ){
1446   int i;
1447   double r[2];
1448   char *z;
1449   if( argc!=4 ){
1450     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
1451        " FORMAT DOUBLE DOUBLE\"", 0);
1452     return TCL_ERROR;
1453   }
1454   for(i=2; i<4; i++){
1455     if( Tcl_GetDouble(interp, argv[i], &r[i-2]) ) return TCL_ERROR;
1456   }
1457   z = sqlite3_mprintf(argv[1], r[0]*r[1]);
1458   Tcl_AppendResult(interp, z, 0);
1459   sqlite3_free(z);
1460   return TCL_OK;
1461 }
1462 
1463 /*
1464 ** Usage:  sqlite3_mprintf_stronly FORMAT STRING
1465 **
1466 ** Call mprintf with a single double argument which is the product of the
1467 ** two arguments given above.  This is used to generate overflow and underflow
1468 ** doubles to test that they are converted properly.
1469 */
1470 static int SQLITE_TCLAPI sqlite3_mprintf_stronly(
1471   void *NotUsed,
1472   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
1473   int argc,              /* Number of arguments */
1474   char **argv            /* Text of each argument */
1475 ){
1476   char *z;
1477   if( argc!=3 ){
1478     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
1479        " FORMAT STRING\"", 0);
1480     return TCL_ERROR;
1481   }
1482   z = sqlite3_mprintf(argv[1], argv[2]);
1483   Tcl_AppendResult(interp, z, 0);
1484   sqlite3_free(z);
1485   return TCL_OK;
1486 }
1487 
1488 /*
1489 ** Usage:  sqlite3_mprintf_hexdouble FORMAT HEX
1490 **
1491 ** Call mprintf with a single double argument which is derived from the
1492 ** hexadecimal encoding of an IEEE double.
1493 */
1494 static int SQLITE_TCLAPI sqlite3_mprintf_hexdouble(
1495   void *NotUsed,
1496   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
1497   int argc,              /* Number of arguments */
1498   char **argv            /* Text of each argument */
1499 ){
1500   char *z;
1501   double r;
1502   unsigned int x1, x2;
1503   sqlite_uint64 d;
1504   if( argc!=3 ){
1505     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
1506        " FORMAT STRING\"", 0);
1507     return TCL_ERROR;
1508   }
1509   if( sscanf(argv[2], "%08x%08x", &x2, &x1)!=2 ){
1510     Tcl_AppendResult(interp, "2nd argument should be 16-characters of hex", 0);
1511     return TCL_ERROR;
1512   }
1513   d = x2;
1514   d = (d<<32) + x1;
1515   memcpy(&r, &d, sizeof(r));
1516   z = sqlite3_mprintf(argv[1], r);
1517   Tcl_AppendResult(interp, z, 0);
1518   sqlite3_free(z);
1519   return TCL_OK;
1520 }
1521 
1522 /*
1523 ** Usage: sqlite3_enable_shared_cache ?BOOLEAN?
1524 **
1525 */
1526 #if !defined(SQLITE_OMIT_SHARED_CACHE)
1527 static int SQLITE_TCLAPI test_enable_shared(
1528   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
1529   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
1530   int objc,              /* Number of arguments */
1531   Tcl_Obj *CONST objv[]  /* Command arguments */
1532 ){
1533   int rc;
1534   int enable;
1535   int ret = 0;
1536 
1537   if( objc!=2 && objc!=1 ){
1538     Tcl_WrongNumArgs(interp, 1, objv, "?BOOLEAN?");
1539     return TCL_ERROR;
1540   }
1541   ret = sqlite3GlobalConfig.sharedCacheEnabled;
1542 
1543   if( objc==2 ){
1544     if( Tcl_GetBooleanFromObj(interp, objv[1], &enable) ){
1545       return TCL_ERROR;
1546     }
1547     rc = sqlite3_enable_shared_cache(enable);
1548     if( rc!=SQLITE_OK ){
1549       Tcl_SetResult(interp, (char *)sqlite3ErrStr(rc), TCL_STATIC);
1550       return TCL_ERROR;
1551     }
1552   }
1553   Tcl_SetObjResult(interp, Tcl_NewBooleanObj(ret));
1554   return TCL_OK;
1555 }
1556 #endif
1557 
1558 
1559 
1560 /*
1561 ** Usage: sqlite3_extended_result_codes   DB    BOOLEAN
1562 **
1563 */
1564 static int SQLITE_TCLAPI test_extended_result_codes(
1565   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
1566   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
1567   int objc,              /* Number of arguments */
1568   Tcl_Obj *CONST objv[]  /* Command arguments */
1569 ){
1570   int enable;
1571   sqlite3 *db;
1572 
1573   if( objc!=3 ){
1574     Tcl_WrongNumArgs(interp, 1, objv, "DB BOOLEAN");
1575     return TCL_ERROR;
1576   }
1577   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
1578   if( Tcl_GetBooleanFromObj(interp, objv[2], &enable) ) return TCL_ERROR;
1579   sqlite3_extended_result_codes(db, enable);
1580   return TCL_OK;
1581 }
1582 
1583 /*
1584 ** Usage: sqlite3_libversion_number
1585 **
1586 */
1587 static int SQLITE_TCLAPI test_libversion_number(
1588   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
1589   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
1590   int objc,              /* Number of arguments */
1591   Tcl_Obj *CONST objv[]  /* Command arguments */
1592 ){
1593   Tcl_SetObjResult(interp, Tcl_NewIntObj(sqlite3_libversion_number()));
1594   return TCL_OK;
1595 }
1596 
1597 /*
1598 ** Usage: sqlite3_table_column_metadata DB dbname tblname colname
1599 **
1600 */
1601 static int SQLITE_TCLAPI test_table_column_metadata(
1602   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
1603   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
1604   int objc,              /* Number of arguments */
1605   Tcl_Obj *CONST objv[]  /* Command arguments */
1606 ){
1607   sqlite3 *db;
1608   const char *zDb;
1609   const char *zTbl;
1610   const char *zCol;
1611   int rc;
1612   Tcl_Obj *pRet;
1613 
1614   const char *zDatatype;
1615   const char *zCollseq;
1616   int notnull;
1617   int primarykey;
1618   int autoincrement;
1619 
1620   if( objc!=5 && objc!=4 ){
1621     Tcl_WrongNumArgs(interp, 1, objv, "DB dbname tblname colname");
1622     return TCL_ERROR;
1623   }
1624   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
1625   zDb = Tcl_GetString(objv[2]);
1626   zTbl = Tcl_GetString(objv[3]);
1627   zCol = objc==5 ? Tcl_GetString(objv[4]) : 0;
1628 
1629   if( strlen(zDb)==0 ) zDb = 0;
1630 
1631   rc = sqlite3_table_column_metadata(db, zDb, zTbl, zCol,
1632       &zDatatype, &zCollseq, &notnull, &primarykey, &autoincrement);
1633 
1634   if( rc!=SQLITE_OK ){
1635     Tcl_AppendResult(interp, sqlite3_errmsg(db), 0);
1636     return TCL_ERROR;
1637   }
1638 
1639   pRet = Tcl_NewObj();
1640   Tcl_ListObjAppendElement(0, pRet, Tcl_NewStringObj(zDatatype, -1));
1641   Tcl_ListObjAppendElement(0, pRet, Tcl_NewStringObj(zCollseq, -1));
1642   Tcl_ListObjAppendElement(0, pRet, Tcl_NewIntObj(notnull));
1643   Tcl_ListObjAppendElement(0, pRet, Tcl_NewIntObj(primarykey));
1644   Tcl_ListObjAppendElement(0, pRet, Tcl_NewIntObj(autoincrement));
1645   Tcl_SetObjResult(interp, pRet);
1646 
1647   return TCL_OK;
1648 }
1649 
1650 #ifndef SQLITE_OMIT_INCRBLOB
1651 
1652 static int SQLITE_TCLAPI blobHandleFromObj(
1653   Tcl_Interp *interp,
1654   Tcl_Obj *pObj,
1655   sqlite3_blob **ppBlob
1656 ){
1657   char *z;
1658   int n;
1659 
1660   z = Tcl_GetStringFromObj(pObj, &n);
1661   if( n==0 ){
1662     *ppBlob = 0;
1663   }else{
1664     int notUsed;
1665     Tcl_Channel channel;
1666     ClientData instanceData;
1667 
1668     channel = Tcl_GetChannel(interp, z, &notUsed);
1669     if( !channel ) return TCL_ERROR;
1670 
1671     Tcl_Flush(channel);
1672     Tcl_Seek(channel, 0, SEEK_SET);
1673 
1674     instanceData = Tcl_GetChannelInstanceData(channel);
1675     *ppBlob = *((sqlite3_blob **)instanceData);
1676   }
1677 
1678   return TCL_OK;
1679 }
1680 
1681 static int SQLITE_TCLAPI test_blob_reopen(
1682   ClientData clientData, /* Not used */
1683   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
1684   int objc,              /* Number of arguments */
1685   Tcl_Obj *CONST objv[]  /* Command arguments */
1686 ){
1687   Tcl_WideInt iRowid;
1688   sqlite3_blob *pBlob;
1689   int rc;
1690 
1691   if( objc!=3 ){
1692     Tcl_WrongNumArgs(interp, 1, objv, "CHANNEL ROWID");
1693     return TCL_ERROR;
1694   }
1695 
1696   if( blobHandleFromObj(interp, objv[1], &pBlob) ) return TCL_ERROR;
1697   if( Tcl_GetWideIntFromObj(interp, objv[2], &iRowid) ) return TCL_ERROR;
1698 
1699   rc = sqlite3_blob_reopen(pBlob, iRowid);
1700   if( rc!=SQLITE_OK ){
1701     Tcl_SetResult(interp, (char *)sqlite3ErrName(rc), TCL_VOLATILE);
1702   }
1703 
1704   return (rc==SQLITE_OK ? TCL_OK : TCL_ERROR);
1705 }
1706 
1707 #endif
1708 
1709 /*
1710 ** Usage: sqlite3_create_collation_v2 DB-HANDLE NAME CMP-PROC DEL-PROC
1711 **
1712 **   This Tcl proc is used for testing the experimental
1713 **   sqlite3_create_collation_v2() interface.
1714 */
1715 struct TestCollationX {
1716   Tcl_Interp *interp;
1717   Tcl_Obj *pCmp;
1718   Tcl_Obj *pDel;
1719 };
1720 typedef struct TestCollationX TestCollationX;
1721 static void testCreateCollationDel(void *pCtx){
1722   TestCollationX *p = (TestCollationX *)pCtx;
1723 
1724   int rc = Tcl_EvalObjEx(p->interp, p->pDel, TCL_EVAL_DIRECT|TCL_EVAL_GLOBAL);
1725   if( rc!=TCL_OK ){
1726     Tcl_BackgroundError(p->interp);
1727   }
1728 
1729   Tcl_DecrRefCount(p->pCmp);
1730   Tcl_DecrRefCount(p->pDel);
1731   sqlite3_free((void *)p);
1732 }
1733 static int testCreateCollationCmp(
1734   void *pCtx,
1735   int nLeft,
1736   const void *zLeft,
1737   int nRight,
1738   const void *zRight
1739 ){
1740   TestCollationX *p = (TestCollationX *)pCtx;
1741   Tcl_Obj *pScript = Tcl_DuplicateObj(p->pCmp);
1742   int iRes = 0;
1743 
1744   Tcl_IncrRefCount(pScript);
1745   Tcl_ListObjAppendElement(0, pScript, Tcl_NewStringObj((char *)zLeft, nLeft));
1746   Tcl_ListObjAppendElement(0, pScript, Tcl_NewStringObj((char *)zRight,nRight));
1747 
1748   if( TCL_OK!=Tcl_EvalObjEx(p->interp, pScript, TCL_EVAL_DIRECT|TCL_EVAL_GLOBAL)
1749    || TCL_OK!=Tcl_GetIntFromObj(p->interp, Tcl_GetObjResult(p->interp), &iRes)
1750   ){
1751     Tcl_BackgroundError(p->interp);
1752   }
1753   Tcl_DecrRefCount(pScript);
1754 
1755   return iRes;
1756 }
1757 static int SQLITE_TCLAPI test_create_collation_v2(
1758   ClientData clientData, /* Not used */
1759   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
1760   int objc,              /* Number of arguments */
1761   Tcl_Obj *CONST objv[]  /* Command arguments */
1762 ){
1763   TestCollationX *p;
1764   sqlite3 *db;
1765   int rc;
1766 
1767   if( objc!=5 ){
1768     Tcl_WrongNumArgs(interp, 1, objv, "DB-HANDLE NAME CMP-PROC DEL-PROC");
1769     return TCL_ERROR;
1770   }
1771   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
1772 
1773   p = (TestCollationX *)sqlite3_malloc(sizeof(TestCollationX));
1774   p->pCmp = objv[3];
1775   p->pDel = objv[4];
1776   p->interp = interp;
1777   Tcl_IncrRefCount(p->pCmp);
1778   Tcl_IncrRefCount(p->pDel);
1779 
1780   rc = sqlite3_create_collation_v2(db, Tcl_GetString(objv[2]), 16,
1781       (void *)p, testCreateCollationCmp, testCreateCollationDel
1782   );
1783   if( rc!=SQLITE_MISUSE ){
1784     Tcl_AppendResult(interp, "sqlite3_create_collate_v2() failed to detect "
1785       "an invalid encoding", (char*)0);
1786     return TCL_ERROR;
1787   }
1788   rc = sqlite3_create_collation_v2(db, Tcl_GetString(objv[2]), SQLITE_UTF8,
1789       (void *)p, testCreateCollationCmp, testCreateCollationDel
1790   );
1791   return TCL_OK;
1792 }
1793 
1794 /*
1795 ** USAGE: sqlite3_create_function_v2 DB NAME NARG ENC ?SWITCHES?
1796 **
1797 ** Available switches are:
1798 **
1799 **   -func    SCRIPT
1800 **   -step    SCRIPT
1801 **   -final   SCRIPT
1802 **   -destroy SCRIPT
1803 */
1804 typedef struct CreateFunctionV2 CreateFunctionV2;
1805 struct CreateFunctionV2 {
1806   Tcl_Interp *interp;
1807   Tcl_Obj *pFunc;                 /* Script for function invocation */
1808   Tcl_Obj *pStep;                 /* Script for agg. step invocation */
1809   Tcl_Obj *pFinal;                /* Script for agg. finalization invocation */
1810   Tcl_Obj *pDestroy;              /* Destructor script */
1811 };
1812 static void cf2Func(sqlite3_context *ctx, int nArg, sqlite3_value **aArg){
1813 }
1814 static void cf2Step(sqlite3_context *ctx, int nArg, sqlite3_value **aArg){
1815 }
1816 static void cf2Final(sqlite3_context *ctx){
1817 }
1818 static void cf2Destroy(void *pUser){
1819   CreateFunctionV2 *p = (CreateFunctionV2 *)pUser;
1820 
1821   if( p->interp && p->pDestroy ){
1822     int rc = Tcl_EvalObjEx(p->interp, p->pDestroy, 0);
1823     if( rc!=TCL_OK ) Tcl_BackgroundError(p->interp);
1824   }
1825 
1826   if( p->pFunc ) Tcl_DecrRefCount(p->pFunc);
1827   if( p->pStep ) Tcl_DecrRefCount(p->pStep);
1828   if( p->pFinal ) Tcl_DecrRefCount(p->pFinal);
1829   if( p->pDestroy ) Tcl_DecrRefCount(p->pDestroy);
1830   sqlite3_free(p);
1831 }
1832 static int SQLITE_TCLAPI test_create_function_v2(
1833   ClientData clientData,          /* Not used */
1834   Tcl_Interp *interp,             /* The invoking TCL interpreter */
1835   int objc,                       /* Number of arguments */
1836   Tcl_Obj *CONST objv[]           /* Command arguments */
1837 ){
1838   sqlite3 *db;
1839   const char *zFunc;
1840   int nArg;
1841   int enc;
1842   CreateFunctionV2 *p;
1843   int i;
1844   int rc;
1845 
1846   struct EncTable {
1847     const char *zEnc;
1848     int enc;
1849   } aEnc[] = {
1850     {"utf8",    SQLITE_UTF8 },
1851     {"utf16",   SQLITE_UTF16 },
1852     {"utf16le", SQLITE_UTF16LE },
1853     {"utf16be", SQLITE_UTF16BE },
1854     {"any",     SQLITE_ANY },
1855     {"0", 0 }
1856   };
1857 
1858   if( objc<5 || (objc%2)==0 ){
1859     Tcl_WrongNumArgs(interp, 1, objv, "DB NAME NARG ENC SWITCHES...");
1860     return TCL_ERROR;
1861   }
1862 
1863   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
1864   zFunc = Tcl_GetString(objv[2]);
1865   if( Tcl_GetIntFromObj(interp, objv[3], &nArg) ) return TCL_ERROR;
1866   if( Tcl_GetIndexFromObjStruct(interp, objv[4], aEnc, sizeof(aEnc[0]),
1867           "encoding", 0, &enc)
1868   ){
1869     return TCL_ERROR;
1870   }
1871   enc = aEnc[enc].enc;
1872 
1873   p = sqlite3_malloc(sizeof(CreateFunctionV2));
1874   assert( p );
1875   memset(p, 0, sizeof(CreateFunctionV2));
1876   p->interp = interp;
1877 
1878   for(i=5; i<objc; i+=2){
1879     int iSwitch;
1880     const char *azSwitch[] = {"-func", "-step", "-final", "-destroy", 0};
1881     if( Tcl_GetIndexFromObj(interp, objv[i], azSwitch, "switch", 0, &iSwitch) ){
1882       sqlite3_free(p);
1883       return TCL_ERROR;
1884     }
1885 
1886     switch( iSwitch ){
1887       case 0: p->pFunc = objv[i+1];      break;
1888       case 1: p->pStep = objv[i+1];      break;
1889       case 2: p->pFinal = objv[i+1];     break;
1890       case 3: p->pDestroy = objv[i+1];   break;
1891     }
1892   }
1893   if( p->pFunc ) p->pFunc = Tcl_DuplicateObj(p->pFunc);
1894   if( p->pStep ) p->pStep = Tcl_DuplicateObj(p->pStep);
1895   if( p->pFinal ) p->pFinal = Tcl_DuplicateObj(p->pFinal);
1896   if( p->pDestroy ) p->pDestroy = Tcl_DuplicateObj(p->pDestroy);
1897 
1898   if( p->pFunc ) Tcl_IncrRefCount(p->pFunc);
1899   if( p->pStep ) Tcl_IncrRefCount(p->pStep);
1900   if( p->pFinal ) Tcl_IncrRefCount(p->pFinal);
1901   if( p->pDestroy ) Tcl_IncrRefCount(p->pDestroy);
1902 
1903   rc = sqlite3_create_function_v2(db, zFunc, nArg, enc, (void *)p,
1904       (p->pFunc ? cf2Func : 0),
1905       (p->pStep ? cf2Step : 0),
1906       (p->pFinal ? cf2Final : 0),
1907       cf2Destroy
1908   );
1909   if( rc!=SQLITE_OK ){
1910     Tcl_ResetResult(interp);
1911     Tcl_AppendResult(interp, sqlite3ErrName(rc), 0);
1912     return TCL_ERROR;
1913   }
1914   return TCL_OK;
1915 }
1916 
1917 /*
1918 ** Usage: sqlite3_load_extension DB-HANDLE FILE ?PROC?
1919 */
1920 static int SQLITE_TCLAPI test_load_extension(
1921   ClientData clientData, /* Not used */
1922   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
1923   int objc,              /* Number of arguments */
1924   Tcl_Obj *CONST objv[]  /* Command arguments */
1925 ){
1926   Tcl_CmdInfo cmdInfo;
1927   sqlite3 *db;
1928   int rc;
1929   char *zDb;
1930   char *zFile;
1931   char *zProc = 0;
1932   char *zErr = 0;
1933 
1934   if( objc!=4 && objc!=3 ){
1935     Tcl_WrongNumArgs(interp, 1, objv, "DB-HANDLE FILE ?PROC?");
1936     return TCL_ERROR;
1937   }
1938   zDb = Tcl_GetString(objv[1]);
1939   zFile = Tcl_GetString(objv[2]);
1940   if( objc==4 ){
1941     zProc = Tcl_GetString(objv[3]);
1942   }
1943 
1944   /* Extract the C database handle from the Tcl command name */
1945   if( !Tcl_GetCommandInfo(interp, zDb, &cmdInfo) ){
1946     Tcl_AppendResult(interp, "command not found: ", zDb, (char*)0);
1947     return TCL_ERROR;
1948   }
1949   db = ((struct SqliteDb*)cmdInfo.objClientData)->db;
1950   assert(db);
1951 
1952   /* Call the underlying C function. If an error occurs, set rc to
1953   ** TCL_ERROR and load any error string into the interpreter. If no
1954   ** error occurs, set rc to TCL_OK.
1955   */
1956 #ifdef SQLITE_OMIT_LOAD_EXTENSION
1957   rc = SQLITE_ERROR;
1958   zErr = sqlite3_mprintf("this build omits sqlite3_load_extension()");
1959   (void)zProc;
1960   (void)zFile;
1961 #else
1962   rc = sqlite3_load_extension(db, zFile, zProc, &zErr);
1963 #endif
1964   if( rc!=SQLITE_OK ){
1965     Tcl_SetResult(interp, zErr ? zErr : "", TCL_VOLATILE);
1966     rc = TCL_ERROR;
1967   }else{
1968     rc = TCL_OK;
1969   }
1970   sqlite3_free(zErr);
1971 
1972   return rc;
1973 }
1974 
1975 /*
1976 ** Usage: sqlite3_enable_load_extension DB-HANDLE ONOFF
1977 */
1978 static int SQLITE_TCLAPI test_enable_load(
1979   ClientData clientData, /* Not used */
1980   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
1981   int objc,              /* Number of arguments */
1982   Tcl_Obj *CONST objv[]  /* Command arguments */
1983 ){
1984   Tcl_CmdInfo cmdInfo;
1985   sqlite3 *db;
1986   char *zDb;
1987   int onoff;
1988 
1989   if( objc!=3 ){
1990     Tcl_WrongNumArgs(interp, 1, objv, "DB-HANDLE ONOFF");
1991     return TCL_ERROR;
1992   }
1993   zDb = Tcl_GetString(objv[1]);
1994 
1995   /* Extract the C database handle from the Tcl command name */
1996   if( !Tcl_GetCommandInfo(interp, zDb, &cmdInfo) ){
1997     Tcl_AppendResult(interp, "command not found: ", zDb, (char*)0);
1998     return TCL_ERROR;
1999   }
2000   db = ((struct SqliteDb*)cmdInfo.objClientData)->db;
2001   assert(db);
2002 
2003   /* Get the onoff parameter */
2004   if( Tcl_GetBooleanFromObj(interp, objv[2], &onoff) ){
2005     return TCL_ERROR;
2006   }
2007 
2008 #ifdef SQLITE_OMIT_LOAD_EXTENSION
2009   Tcl_AppendResult(interp, "this build omits sqlite3_load_extension()");
2010   return TCL_ERROR;
2011 #else
2012   sqlite3_enable_load_extension(db, onoff);
2013   return TCL_OK;
2014 #endif
2015 }
2016 
2017 /*
2018 ** Usage:  sqlite_abort
2019 **
2020 ** Shutdown the process immediately.  This is not a clean shutdown.
2021 ** This command is used to test the recoverability of a database in
2022 ** the event of a program crash.
2023 */
2024 static int SQLITE_TCLAPI sqlite_abort(
2025   void *NotUsed,
2026   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
2027   int argc,              /* Number of arguments */
2028   char **argv            /* Text of each argument */
2029 ){
2030 #if defined(_MSC_VER)
2031   /* We do this, otherwise the test will halt with a popup message
2032    * that we have to click away before the test will continue.
2033    */
2034   _set_abort_behavior( 0, _CALL_REPORTFAULT );
2035 #endif
2036   exit(255);
2037   assert( interp==0 );   /* This will always fail */
2038   return TCL_OK;
2039 }
2040 
2041 /*
2042 ** The following routine is a user-defined SQL function whose purpose
2043 ** is to test the sqlite_set_result() API.
2044 */
2045 static void testFunc(sqlite3_context *context, int argc, sqlite3_value **argv){
2046   while( argc>=2 ){
2047     const char *zArg0 = (char*)sqlite3_value_text(argv[0]);
2048     if( zArg0 ){
2049       if( 0==sqlite3StrICmp(zArg0, "int") ){
2050         sqlite3_result_int(context, sqlite3_value_int(argv[1]));
2051       }else if( sqlite3StrICmp(zArg0,"int64")==0 ){
2052         sqlite3_result_int64(context, sqlite3_value_int64(argv[1]));
2053       }else if( sqlite3StrICmp(zArg0,"string")==0 ){
2054         sqlite3_result_text(context, (char*)sqlite3_value_text(argv[1]), -1,
2055             SQLITE_TRANSIENT);
2056       }else if( sqlite3StrICmp(zArg0,"double")==0 ){
2057         sqlite3_result_double(context, sqlite3_value_double(argv[1]));
2058       }else if( sqlite3StrICmp(zArg0,"null")==0 ){
2059         sqlite3_result_null(context);
2060       }else if( sqlite3StrICmp(zArg0,"value")==0 ){
2061         sqlite3_result_value(context, argv[sqlite3_value_int(argv[1])]);
2062       }else{
2063         goto error_out;
2064       }
2065     }else{
2066       goto error_out;
2067     }
2068     argc -= 2;
2069     argv += 2;
2070   }
2071   return;
2072 
2073 error_out:
2074   sqlite3_result_error(context,"first argument should be one of: "
2075       "int int64 string double null value", -1);
2076 }
2077 
2078 /*
2079 ** Usage:   sqlite_register_test_function  DB  NAME
2080 **
2081 ** Register the test SQL function on the database DB under the name NAME.
2082 */
2083 static int SQLITE_TCLAPI test_register_func(
2084   void *NotUsed,
2085   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
2086   int argc,              /* Number of arguments */
2087   char **argv            /* Text of each argument */
2088 ){
2089   sqlite3 *db;
2090   int rc;
2091   if( argc!=3 ){
2092     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
2093        " DB FUNCTION-NAME", 0);
2094     return TCL_ERROR;
2095   }
2096   if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
2097   rc = sqlite3_create_function(db, argv[2], -1, SQLITE_UTF8, 0,
2098       testFunc, 0, 0);
2099   if( rc!=0 ){
2100     Tcl_AppendResult(interp, sqlite3ErrStr(rc), 0);
2101     return TCL_ERROR;
2102   }
2103   if( sqlite3TestErrCode(interp, db, rc) ) return TCL_ERROR;
2104   return TCL_OK;
2105 }
2106 
2107 /*
2108 ** Usage:  sqlite3_finalize  STMT
2109 **
2110 ** Finalize a statement handle.
2111 */
2112 static int SQLITE_TCLAPI test_finalize(
2113   void * clientData,
2114   Tcl_Interp *interp,
2115   int objc,
2116   Tcl_Obj *CONST objv[]
2117 ){
2118   sqlite3_stmt *pStmt;
2119   int rc;
2120   sqlite3 *db = 0;
2121 
2122   if( objc!=2 ){
2123     Tcl_AppendResult(interp, "wrong # args: should be \"",
2124         Tcl_GetStringFromObj(objv[0], 0), " <STMT>", 0);
2125     return TCL_ERROR;
2126   }
2127 
2128   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
2129 
2130   if( pStmt ){
2131     db = StmtToDb(pStmt);
2132   }
2133   rc = sqlite3_finalize(pStmt);
2134   Tcl_SetResult(interp, (char *)t1ErrorName(rc), TCL_STATIC);
2135   if( db && sqlite3TestErrCode(interp, db, rc) ) return TCL_ERROR;
2136   return TCL_OK;
2137 }
2138 
2139 /*
2140 ** Usage:  sqlite3_stmt_status  STMT  CODE  RESETFLAG
2141 **
2142 ** Get the value of a status counter from a statement.
2143 */
2144 static int SQLITE_TCLAPI test_stmt_status(
2145   void * clientData,
2146   Tcl_Interp *interp,
2147   int objc,
2148   Tcl_Obj *CONST objv[]
2149 ){
2150   int iValue;
2151   int i, op = 0, resetFlag;
2152   const char *zOpName;
2153   sqlite3_stmt *pStmt;
2154 
2155   static const struct {
2156     const char *zName;
2157     int op;
2158   } aOp[] = {
2159     { "SQLITE_STMTSTATUS_FULLSCAN_STEP",   SQLITE_STMTSTATUS_FULLSCAN_STEP   },
2160     { "SQLITE_STMTSTATUS_SORT",            SQLITE_STMTSTATUS_SORT            },
2161     { "SQLITE_STMTSTATUS_AUTOINDEX",       SQLITE_STMTSTATUS_AUTOINDEX       },
2162     { "SQLITE_STMTSTATUS_VM_STEP",         SQLITE_STMTSTATUS_VM_STEP         },
2163     { "SQLITE_STMTSTATUS_REPREPARE",       SQLITE_STMTSTATUS_REPREPARE       },
2164     { "SQLITE_STMTSTATUS_RUN",             SQLITE_STMTSTATUS_RUN             },
2165     { "SQLITE_STMTSTATUS_MEMUSED",         SQLITE_STMTSTATUS_MEMUSED         },
2166   };
2167   if( objc!=4 ){
2168     Tcl_WrongNumArgs(interp, 1, objv, "STMT PARAMETER RESETFLAG");
2169     return TCL_ERROR;
2170   }
2171   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
2172   zOpName = Tcl_GetString(objv[2]);
2173   for(i=0; i<ArraySize(aOp); i++){
2174     if( strcmp(aOp[i].zName, zOpName)==0 ){
2175       op = aOp[i].op;
2176       break;
2177     }
2178   }
2179   if( i>=ArraySize(aOp) ){
2180     if( Tcl_GetIntFromObj(interp, objv[2], &op) ) return TCL_ERROR;
2181   }
2182   if( Tcl_GetBooleanFromObj(interp, objv[3], &resetFlag) ) return TCL_ERROR;
2183   iValue = sqlite3_stmt_status(pStmt, op, resetFlag);
2184   Tcl_SetObjResult(interp, Tcl_NewIntObj(iValue));
2185   return TCL_OK;
2186 }
2187 
2188 #ifdef SQLITE_ENABLE_STMT_SCANSTATUS
2189 /*
2190 ** Usage:  sqlite3_stmt_scanstatus STMT IDX
2191 */
2192 static int SQLITE_TCLAPI test_stmt_scanstatus(
2193   void * clientData,
2194   Tcl_Interp *interp,
2195   int objc,
2196   Tcl_Obj *CONST objv[]
2197 ){
2198   sqlite3_stmt *pStmt;            /* First argument */
2199   int idx;                        /* Second argument */
2200 
2201   const char *zName;
2202   const char *zExplain;
2203   sqlite3_int64 nLoop;
2204   sqlite3_int64 nVisit;
2205   double rEst;
2206   int res;
2207 
2208   if( objc!=3 ){
2209     Tcl_WrongNumArgs(interp, 1, objv, "STMT IDX");
2210     return TCL_ERROR;
2211   }
2212   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
2213   if( Tcl_GetIntFromObj(interp, objv[2], &idx) ) return TCL_ERROR;
2214 
2215   res = sqlite3_stmt_scanstatus(pStmt, idx, SQLITE_SCANSTAT_NLOOP, (void*)&nLoop);
2216   if( res==0 ){
2217     Tcl_Obj *pRet = Tcl_NewObj();
2218     Tcl_ListObjAppendElement(0, pRet, Tcl_NewStringObj("nLoop", -1));
2219     Tcl_ListObjAppendElement(0, pRet, Tcl_NewWideIntObj(nLoop));
2220     sqlite3_stmt_scanstatus(pStmt, idx, SQLITE_SCANSTAT_NVISIT, (void*)&nVisit);
2221     Tcl_ListObjAppendElement(0, pRet, Tcl_NewStringObj("nVisit", -1));
2222     Tcl_ListObjAppendElement(0, pRet, Tcl_NewWideIntObj(nVisit));
2223     sqlite3_stmt_scanstatus(pStmt, idx, SQLITE_SCANSTAT_EST, (void*)&rEst);
2224     Tcl_ListObjAppendElement(0, pRet, Tcl_NewStringObj("nEst", -1));
2225     Tcl_ListObjAppendElement(0, pRet, Tcl_NewDoubleObj(rEst));
2226     sqlite3_stmt_scanstatus(pStmt, idx, SQLITE_SCANSTAT_NAME, (void*)&zName);
2227     Tcl_ListObjAppendElement(0, pRet, Tcl_NewStringObj("zName", -1));
2228     Tcl_ListObjAppendElement(0, pRet, Tcl_NewStringObj(zName, -1));
2229     sqlite3_stmt_scanstatus(pStmt, idx, SQLITE_SCANSTAT_EXPLAIN, (void*)&zExplain);
2230     Tcl_ListObjAppendElement(0, pRet, Tcl_NewStringObj("zExplain", -1));
2231     Tcl_ListObjAppendElement(0, pRet, Tcl_NewStringObj(zExplain, -1));
2232     Tcl_SetObjResult(interp, pRet);
2233   }else{
2234     Tcl_ResetResult(interp);
2235   }
2236   return TCL_OK;
2237 }
2238 
2239 /*
2240 ** Usage:  sqlite3_stmt_scanstatus_reset  STMT
2241 */
2242 static int SQLITE_TCLAPI test_stmt_scanstatus_reset(
2243   void * clientData,
2244   Tcl_Interp *interp,
2245   int objc,
2246   Tcl_Obj *CONST objv[]
2247 ){
2248   sqlite3_stmt *pStmt;            /* First argument */
2249   if( objc!=2 ){
2250     Tcl_WrongNumArgs(interp, 1, objv, "STMT");
2251     return TCL_ERROR;
2252   }
2253   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
2254   sqlite3_stmt_scanstatus_reset(pStmt);
2255   return TCL_OK;
2256 }
2257 #endif
2258 
2259 #ifdef SQLITE_ENABLE_SQLLOG
2260 /*
2261 ** Usage:  sqlite3_config_sqllog
2262 **
2263 ** Zero the SQLITE_CONFIG_SQLLOG configuration
2264 */
2265 static int SQLITE_TCLAPI test_config_sqllog(
2266   void * clientData,
2267   Tcl_Interp *interp,
2268   int objc,
2269   Tcl_Obj *CONST objv[]
2270 ){
2271   if( objc!=1 ){
2272     Tcl_WrongNumArgs(interp, 1, objv, "");
2273     return TCL_ERROR;
2274   }
2275   sqlite3_config(SQLITE_CONFIG_SQLLOG, 0, 0);
2276   return TCL_OK;
2277 }
2278 #endif
2279 
2280 /*
2281 ** Usage:  sqlite3_config_sorterref
2282 **
2283 ** Set the SQLITE_CONFIG_SORTERREF_SIZE configuration option
2284 */
2285 static int SQLITE_TCLAPI test_config_sorterref(
2286   void * clientData,
2287   Tcl_Interp *interp,
2288   int objc,
2289   Tcl_Obj *CONST objv[]
2290 ){
2291   int iVal;
2292   if( objc!=2 ){
2293     Tcl_WrongNumArgs(interp, 1, objv, "NBYTE");
2294     return TCL_ERROR;
2295   }
2296   if( Tcl_GetIntFromObj(interp, objv[1], &iVal) ) return TCL_ERROR;
2297   sqlite3_config(SQLITE_CONFIG_SORTERREF_SIZE, iVal);
2298   return TCL_OK;
2299 }
2300 
2301 /*
2302 ** Usage: vfs_current_time_int64
2303 **
2304 ** Return the value returned by the default VFS's xCurrentTimeInt64 method.
2305 */
2306 static int SQLITE_TCLAPI vfsCurrentTimeInt64(
2307   void * clientData,
2308   Tcl_Interp *interp,
2309   int objc,
2310   Tcl_Obj *CONST objv[]
2311 ){
2312   i64 t;
2313   sqlite3_vfs *pVfs = sqlite3_vfs_find(0);
2314   if( objc!=1 ){
2315     Tcl_WrongNumArgs(interp, 1, objv, "");
2316     return TCL_ERROR;
2317   }
2318   pVfs->xCurrentTimeInt64(pVfs, &t);
2319   Tcl_SetObjResult(interp, Tcl_NewWideIntObj(t));
2320   return TCL_OK;
2321 }
2322 
2323 #ifdef SQLITE_ENABLE_SNAPSHOT
2324 /*
2325 ** Usage: sqlite3_snapshot_get DB DBNAME
2326 */
2327 static int SQLITE_TCLAPI test_snapshot_get(
2328   void * clientData,
2329   Tcl_Interp *interp,
2330   int objc,
2331   Tcl_Obj *CONST objv[]
2332 ){
2333   int rc;
2334   sqlite3 *db;
2335   char *zName;
2336   sqlite3_snapshot *pSnapshot = 0;
2337 
2338   if( objc!=3 ){
2339     Tcl_WrongNumArgs(interp, 1, objv, "DB DBNAME");
2340     return TCL_ERROR;
2341   }
2342   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
2343   zName = Tcl_GetString(objv[2]);
2344 
2345   rc = sqlite3_snapshot_get(db, zName, &pSnapshot);
2346   if( rc!=SQLITE_OK ){
2347     Tcl_SetObjResult(interp, Tcl_NewStringObj(sqlite3ErrName(rc), -1));
2348     return TCL_ERROR;
2349   }else{
2350     char zBuf[100];
2351     if( sqlite3TestMakePointerStr(interp, zBuf, pSnapshot) ) return TCL_ERROR;
2352     Tcl_SetObjResult(interp, Tcl_NewStringObj(zBuf, -1));
2353   }
2354   return TCL_OK;
2355 }
2356 #endif /* SQLITE_ENABLE_SNAPSHOT */
2357 
2358 #ifdef SQLITE_ENABLE_SNAPSHOT
2359 /*
2360 ** Usage: sqlite3_snapshot_recover DB DBNAME
2361 */
2362 static int SQLITE_TCLAPI test_snapshot_recover(
2363   void * clientData,
2364   Tcl_Interp *interp,
2365   int objc,
2366   Tcl_Obj *CONST objv[]
2367 ){
2368   int rc;
2369   sqlite3 *db;
2370   char *zName;
2371 
2372   if( objc!=3 ){
2373     Tcl_WrongNumArgs(interp, 1, objv, "DB DBNAME");
2374     return TCL_ERROR;
2375   }
2376   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
2377   zName = Tcl_GetString(objv[2]);
2378 
2379   rc = sqlite3_snapshot_recover(db, zName);
2380   if( rc!=SQLITE_OK ){
2381     Tcl_SetObjResult(interp, Tcl_NewStringObj(sqlite3ErrName(rc), -1));
2382     return TCL_ERROR;
2383   }else{
2384     Tcl_ResetResult(interp);
2385   }
2386   return TCL_OK;
2387 }
2388 #endif /* SQLITE_ENABLE_SNAPSHOT */
2389 
2390 #ifdef SQLITE_ENABLE_SNAPSHOT
2391 /*
2392 ** Usage: sqlite3_snapshot_open DB DBNAME SNAPSHOT
2393 */
2394 static int SQLITE_TCLAPI test_snapshot_open(
2395   void * clientData,
2396   Tcl_Interp *interp,
2397   int objc,
2398   Tcl_Obj *CONST objv[]
2399 ){
2400   int rc;
2401   sqlite3 *db;
2402   char *zName;
2403   sqlite3_snapshot *pSnapshot;
2404 
2405   if( objc!=4 ){
2406     Tcl_WrongNumArgs(interp, 1, objv, "DB DBNAME SNAPSHOT");
2407     return TCL_ERROR;
2408   }
2409   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
2410   zName = Tcl_GetString(objv[2]);
2411   pSnapshot = (sqlite3_snapshot*)sqlite3TestTextToPtr(Tcl_GetString(objv[3]));
2412 
2413   rc = sqlite3_snapshot_open(db, zName, pSnapshot);
2414   if( rc!=SQLITE_OK ){
2415     Tcl_SetObjResult(interp, Tcl_NewStringObj(sqlite3ErrName(rc), -1));
2416     return TCL_ERROR;
2417   }else{
2418     Tcl_ResetResult(interp);
2419   }
2420   return TCL_OK;
2421 }
2422 #endif /* SQLITE_ENABLE_SNAPSHOT */
2423 
2424 #ifdef SQLITE_ENABLE_SNAPSHOT
2425 /*
2426 ** Usage: sqlite3_snapshot_free SNAPSHOT
2427 */
2428 static int SQLITE_TCLAPI test_snapshot_free(
2429   void * clientData,
2430   Tcl_Interp *interp,
2431   int objc,
2432   Tcl_Obj *CONST objv[]
2433 ){
2434   sqlite3_snapshot *pSnapshot;
2435   if( objc!=2 ){
2436     Tcl_WrongNumArgs(interp, 1, objv, "SNAPSHOT");
2437     return TCL_ERROR;
2438   }
2439   pSnapshot = (sqlite3_snapshot*)sqlite3TestTextToPtr(Tcl_GetString(objv[1]));
2440   sqlite3_snapshot_free(pSnapshot);
2441   return TCL_OK;
2442 }
2443 #endif /* SQLITE_ENABLE_SNAPSHOT */
2444 
2445 #ifdef SQLITE_ENABLE_SNAPSHOT
2446 /*
2447 ** Usage: sqlite3_snapshot_cmp SNAPSHOT1 SNAPSHOT2
2448 */
2449 static int SQLITE_TCLAPI test_snapshot_cmp(
2450   void * clientData,
2451   Tcl_Interp *interp,
2452   int objc,
2453   Tcl_Obj *CONST objv[]
2454 ){
2455   int res;
2456   sqlite3_snapshot *p1;
2457   sqlite3_snapshot *p2;
2458   if( objc!=3 ){
2459     Tcl_WrongNumArgs(interp, 1, objv, "SNAPSHOT1 SNAPSHOT2");
2460     return TCL_ERROR;
2461   }
2462   p1 = (sqlite3_snapshot*)sqlite3TestTextToPtr(Tcl_GetString(objv[1]));
2463   p2 = (sqlite3_snapshot*)sqlite3TestTextToPtr(Tcl_GetString(objv[2]));
2464   res = sqlite3_snapshot_cmp(p1, p2);
2465   Tcl_SetObjResult(interp, Tcl_NewIntObj(res));
2466   return TCL_OK;
2467 }
2468 #endif /* SQLITE_ENABLE_SNAPSHOT */
2469 
2470 #ifdef SQLITE_ENABLE_SNAPSHOT
2471 /*
2472 ** Usage: sqlite3_snapshot_get_blob DB DBNAME
2473 */
2474 static int SQLITE_TCLAPI test_snapshot_get_blob(
2475   void * clientData,
2476   Tcl_Interp *interp,
2477   int objc,
2478   Tcl_Obj *CONST objv[]
2479 ){
2480   int rc;
2481   sqlite3 *db;
2482   char *zName;
2483   sqlite3_snapshot *pSnapshot = 0;
2484 
2485   if( objc!=3 ){
2486     Tcl_WrongNumArgs(interp, 1, objv, "DB DBNAME");
2487     return TCL_ERROR;
2488   }
2489   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
2490   zName = Tcl_GetString(objv[2]);
2491 
2492   rc = sqlite3_snapshot_get(db, zName, &pSnapshot);
2493   if( rc!=SQLITE_OK ){
2494     Tcl_SetObjResult(interp, Tcl_NewStringObj(sqlite3ErrName(rc), -1));
2495     return TCL_ERROR;
2496   }else{
2497     Tcl_SetObjResult(interp,
2498         Tcl_NewByteArrayObj((unsigned char*)pSnapshot, sizeof(sqlite3_snapshot))
2499     );
2500     sqlite3_snapshot_free(pSnapshot);
2501   }
2502   return TCL_OK;
2503 }
2504 #endif /* SQLITE_ENABLE_SNAPSHOT */
2505 
2506 #ifdef SQLITE_ENABLE_SNAPSHOT
2507   /*
2508   ** Usage: sqlite3_snapshot_open_blob DB DBNAME SNAPSHOT
2509 */
2510 static int SQLITE_TCLAPI test_snapshot_open_blob(
2511   void * clientData,
2512   Tcl_Interp *interp,
2513   int objc,
2514   Tcl_Obj *CONST objv[]
2515 ){
2516   int rc;
2517   sqlite3 *db;
2518   char *zName;
2519   unsigned char *pBlob;
2520   int nBlob;
2521 
2522   if( objc!=4 ){
2523     Tcl_WrongNumArgs(interp, 1, objv, "DB DBNAME SNAPSHOT");
2524     return TCL_ERROR;
2525   }
2526   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
2527   zName = Tcl_GetString(objv[2]);
2528   pBlob = Tcl_GetByteArrayFromObj(objv[3], &nBlob);
2529   if( nBlob!=sizeof(sqlite3_snapshot) ){
2530     Tcl_AppendResult(interp, "bad SNAPSHOT", 0);
2531     return TCL_ERROR;
2532   }
2533   rc = sqlite3_snapshot_open(db, zName, (sqlite3_snapshot*)pBlob);
2534   if( rc!=SQLITE_OK ){
2535     Tcl_SetObjResult(interp, Tcl_NewStringObj(sqlite3ErrName(rc), -1));
2536     return TCL_ERROR;
2537   }
2538   return TCL_OK;
2539 }
2540 #endif /* SQLITE_ENABLE_SNAPSHOT */
2541 
2542 #ifdef SQLITE_ENABLE_SNAPSHOT
2543 /*
2544 ** Usage: sqlite3_snapshot_cmp_blob SNAPSHOT1 SNAPSHOT2
2545 */
2546 static int SQLITE_TCLAPI test_snapshot_cmp_blob(
2547   void * clientData,
2548   Tcl_Interp *interp,
2549   int objc,
2550   Tcl_Obj *CONST objv[]
2551 ){
2552   int res;
2553   unsigned char *p1;
2554   unsigned char *p2;
2555   int n1;
2556   int n2;
2557 
2558   if( objc!=3 ){
2559     Tcl_WrongNumArgs(interp, 1, objv, "SNAPSHOT1 SNAPSHOT2");
2560     return TCL_ERROR;
2561   }
2562 
2563   p1 = Tcl_GetByteArrayFromObj(objv[1], &n1);
2564   p2 = Tcl_GetByteArrayFromObj(objv[2], &n2);
2565 
2566   if( n1!=sizeof(sqlite3_snapshot) || n1!=n2 ){
2567     Tcl_AppendResult(interp, "bad SNAPSHOT", 0);
2568     return TCL_ERROR;
2569   }
2570 
2571   res = sqlite3_snapshot_cmp((sqlite3_snapshot*)p1, (sqlite3_snapshot*)p2);
2572   Tcl_SetObjResult(interp, Tcl_NewIntObj(res));
2573   return TCL_OK;
2574 }
2575 #endif /* SQLITE_ENABLE_SNAPSHOT */
2576 
2577 /*
2578 ** Usage: sqlite3_delete_database FILENAME
2579 */
2580 int sqlite3_delete_database(const char*);   /* in test_delete.c */
2581 static int SQLITE_TCLAPI test_delete_database(
2582   void * clientData,
2583   Tcl_Interp *interp,
2584   int objc,
2585   Tcl_Obj *CONST objv[]
2586 ){
2587   int rc;
2588   const char *zFile;
2589   if( objc!=2 ){
2590     Tcl_WrongNumArgs(interp, 1, objv, "FILE");
2591     return TCL_ERROR;
2592   }
2593   zFile = (const char*)Tcl_GetString(objv[1]);
2594   rc = sqlite3_delete_database(zFile);
2595 
2596   Tcl_SetObjResult(interp, Tcl_NewStringObj(sqlite3ErrName(rc), -1));
2597   return TCL_OK;
2598 }
2599 
2600 /*
2601 ** Usage: atomic_batch_write PATH
2602 */
2603 static int SQLITE_TCLAPI test_atomic_batch_write(
2604   void * clientData,
2605   Tcl_Interp *interp,
2606   int objc,
2607   Tcl_Obj *CONST objv[]
2608 ){
2609   char *zFile = 0;                /* Path to file to test */
2610   sqlite3 *db = 0;                /* Database handle */
2611   sqlite3_file *pFd = 0;          /* SQLite fd open on zFile */
2612   int bRes = 0;                   /* Integer result of this command */
2613   int dc = 0;                     /* Device-characteristics mask */
2614   int rc;                         /* sqlite3_open() return code */
2615 
2616   if( objc!=2 ){
2617     Tcl_WrongNumArgs(interp, 1, objv, "PATH");
2618     return TCL_ERROR;
2619   }
2620   zFile = Tcl_GetString(objv[1]);
2621 
2622   rc = sqlite3_open(zFile, &db);
2623   if( rc!=SQLITE_OK ){
2624     Tcl_AppendResult(interp, sqlite3_errmsg(db), 0);
2625     sqlite3_close(db);
2626     return TCL_ERROR;
2627   }
2628 
2629   rc = sqlite3_file_control(db, "main", SQLITE_FCNTL_FILE_POINTER, (void*)&pFd);
2630   dc = pFd->pMethods->xDeviceCharacteristics(pFd);
2631   if( dc & SQLITE_IOCAP_BATCH_ATOMIC ){
2632     bRes = 1;
2633   }
2634 
2635   Tcl_SetObjResult(interp, Tcl_NewIntObj(bRes));
2636   sqlite3_close(db);
2637   return TCL_OK;
2638 }
2639 
2640 /*
2641 ** Usage:  sqlite3_next_stmt  DB  STMT
2642 **
2643 ** Return the next statment in sequence after STMT.
2644 */
2645 static int SQLITE_TCLAPI test_next_stmt(
2646   void * clientData,
2647   Tcl_Interp *interp,
2648   int objc,
2649   Tcl_Obj *CONST objv[]
2650 ){
2651   sqlite3_stmt *pStmt;
2652   sqlite3 *db = 0;
2653   char zBuf[50];
2654 
2655   if( objc!=3 ){
2656     Tcl_AppendResult(interp, "wrong # args: should be \"",
2657         Tcl_GetStringFromObj(objv[0], 0), " DB STMT", 0);
2658     return TCL_ERROR;
2659   }
2660 
2661   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
2662   if( getStmtPointer(interp, Tcl_GetString(objv[2]), &pStmt) ) return TCL_ERROR;
2663   pStmt = sqlite3_next_stmt(db, pStmt);
2664   if( pStmt ){
2665     if( sqlite3TestMakePointerStr(interp, zBuf, pStmt) ) return TCL_ERROR;
2666     Tcl_AppendResult(interp, zBuf, 0);
2667   }
2668   return TCL_OK;
2669 }
2670 
2671 /*
2672 ** Usage:  sqlite3_stmt_readonly  STMT
2673 **
2674 ** Return true if STMT is a NULL pointer or a pointer to a statement
2675 ** that is guaranteed to leave the database unmodified.
2676 */
2677 static int SQLITE_TCLAPI test_stmt_readonly(
2678   void * clientData,
2679   Tcl_Interp *interp,
2680   int objc,
2681   Tcl_Obj *CONST objv[]
2682 ){
2683   sqlite3_stmt *pStmt;
2684   int rc;
2685 
2686   if( objc!=2 ){
2687     Tcl_AppendResult(interp, "wrong # args: should be \"",
2688         Tcl_GetStringFromObj(objv[0], 0), " STMT", 0);
2689     return TCL_ERROR;
2690   }
2691 
2692   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
2693   rc = sqlite3_stmt_readonly(pStmt);
2694   Tcl_SetObjResult(interp, Tcl_NewBooleanObj(rc));
2695   return TCL_OK;
2696 }
2697 
2698 /*
2699 ** Usage:  sqlite3_stmt_isexplain  STMT
2700 **
2701 ** Return 1, 2, or 0 respectively if STMT is an EXPLAIN statement, an
2702 ** EXPLAIN QUERY PLAN statement or an ordinary statement or NULL pointer.
2703 */
2704 static int SQLITE_TCLAPI test_stmt_isexplain(
2705   void * clientData,
2706   Tcl_Interp *interp,
2707   int objc,
2708   Tcl_Obj *CONST objv[]
2709 ){
2710   sqlite3_stmt *pStmt;
2711   int rc;
2712 
2713   if( objc!=2 ){
2714     Tcl_AppendResult(interp, "wrong # args: should be \"",
2715         Tcl_GetStringFromObj(objv[0], 0), " STMT", 0);
2716     return TCL_ERROR;
2717   }
2718 
2719   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
2720   rc = sqlite3_stmt_isexplain(pStmt);
2721   Tcl_SetObjResult(interp, Tcl_NewIntObj(rc));
2722   return TCL_OK;
2723 }
2724 
2725 /*
2726 ** Usage:  sqlite3_stmt_busy  STMT
2727 **
2728 ** Return true if STMT is a non-NULL pointer to a statement
2729 ** that has been stepped but not to completion.
2730 */
2731 static int SQLITE_TCLAPI test_stmt_busy(
2732   void * clientData,
2733   Tcl_Interp *interp,
2734   int objc,
2735   Tcl_Obj *CONST objv[]
2736 ){
2737   sqlite3_stmt *pStmt;
2738   int rc;
2739 
2740   if( objc!=2 ){
2741     Tcl_AppendResult(interp, "wrong # args: should be \"",
2742         Tcl_GetStringFromObj(objv[0], 0), " STMT", 0);
2743     return TCL_ERROR;
2744   }
2745 
2746   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
2747   rc = sqlite3_stmt_busy(pStmt);
2748   Tcl_SetObjResult(interp, Tcl_NewBooleanObj(rc));
2749   return TCL_OK;
2750 }
2751 
2752 /*
2753 ** Usage:  uses_stmt_journal  STMT
2754 **
2755 ** Return true if STMT uses a statement journal.
2756 */
2757 static int SQLITE_TCLAPI uses_stmt_journal(
2758   void * clientData,
2759   Tcl_Interp *interp,
2760   int objc,
2761   Tcl_Obj *CONST objv[]
2762 ){
2763   sqlite3_stmt *pStmt;
2764 
2765   if( objc!=2 ){
2766     Tcl_AppendResult(interp, "wrong # args: should be \"",
2767         Tcl_GetStringFromObj(objv[0], 0), " STMT", 0);
2768     return TCL_ERROR;
2769   }
2770 
2771   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
2772   sqlite3_stmt_readonly(pStmt);
2773   Tcl_SetObjResult(interp, Tcl_NewBooleanObj(((Vdbe *)pStmt)->usesStmtJournal));
2774   return TCL_OK;
2775 }
2776 
2777 
2778 /*
2779 ** Usage:  sqlite3_reset  STMT
2780 **
2781 ** Reset a statement handle.
2782 */
2783 static int SQLITE_TCLAPI test_reset(
2784   void * clientData,
2785   Tcl_Interp *interp,
2786   int objc,
2787   Tcl_Obj *CONST objv[]
2788 ){
2789   sqlite3_stmt *pStmt;
2790   int rc;
2791 
2792   if( objc!=2 ){
2793     Tcl_AppendResult(interp, "wrong # args: should be \"",
2794         Tcl_GetStringFromObj(objv[0], 0), " <STMT>", 0);
2795     return TCL_ERROR;
2796   }
2797 
2798   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
2799 
2800   rc = sqlite3_reset(pStmt);
2801   if( pStmt && sqlite3TestErrCode(interp, StmtToDb(pStmt), rc) ){
2802     return TCL_ERROR;
2803   }
2804   Tcl_SetResult(interp, (char *)t1ErrorName(rc), TCL_STATIC);
2805 /*
2806   if( rc ){
2807     return TCL_ERROR;
2808   }
2809 */
2810   return TCL_OK;
2811 }
2812 
2813 /*
2814 ** Usage:  sqlite3_expired STMT
2815 **
2816 ** Return TRUE if a recompilation of the statement is recommended.
2817 */
2818 static int SQLITE_TCLAPI test_expired(
2819   void * clientData,
2820   Tcl_Interp *interp,
2821   int objc,
2822   Tcl_Obj *CONST objv[]
2823 ){
2824 #ifndef SQLITE_OMIT_DEPRECATED
2825   sqlite3_stmt *pStmt;
2826   if( objc!=2 ){
2827     Tcl_AppendResult(interp, "wrong # args: should be \"",
2828         Tcl_GetStringFromObj(objv[0], 0), " <STMT>", 0);
2829     return TCL_ERROR;
2830   }
2831   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
2832   Tcl_SetObjResult(interp, Tcl_NewBooleanObj(sqlite3_expired(pStmt)));
2833 #endif
2834   return TCL_OK;
2835 }
2836 
2837 /*
2838 ** Usage:  sqlite3_transfer_bindings FROMSTMT TOSTMT
2839 **
2840 ** Transfer all bindings from FROMSTMT over to TOSTMT
2841 */
2842 static int SQLITE_TCLAPI test_transfer_bind(
2843   void * clientData,
2844   Tcl_Interp *interp,
2845   int objc,
2846   Tcl_Obj *CONST objv[]
2847 ){
2848 #ifndef SQLITE_OMIT_DEPRECATED
2849   sqlite3_stmt *pStmt1, *pStmt2;
2850   if( objc!=3 ){
2851     Tcl_AppendResult(interp, "wrong # args: should be \"",
2852         Tcl_GetStringFromObj(objv[0], 0), " FROM-STMT TO-STMT", 0);
2853     return TCL_ERROR;
2854   }
2855   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt1)) return TCL_ERROR;
2856   if( getStmtPointer(interp, Tcl_GetString(objv[2]), &pStmt2)) return TCL_ERROR;
2857   Tcl_SetObjResult(interp,
2858      Tcl_NewIntObj(sqlite3_transfer_bindings(pStmt1,pStmt2)));
2859 #endif
2860   return TCL_OK;
2861 }
2862 
2863 /*
2864 ** Usage:  sqlite3_changes DB
2865 **
2866 ** Return the number of changes made to the database by the last SQL
2867 ** execution.
2868 */
2869 static int SQLITE_TCLAPI test_changes(
2870   void * clientData,
2871   Tcl_Interp *interp,
2872   int objc,
2873   Tcl_Obj *CONST objv[]
2874 ){
2875   sqlite3 *db;
2876   if( objc!=2 ){
2877     Tcl_AppendResult(interp, "wrong # args: should be \"",
2878        Tcl_GetString(objv[0]), " DB", 0);
2879     return TCL_ERROR;
2880   }
2881   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
2882   Tcl_SetObjResult(interp, Tcl_NewIntObj(sqlite3_changes(db)));
2883   return TCL_OK;
2884 }
2885 
2886 /*
2887 ** This is the "static_bind_value" that variables are bound to when
2888 ** the FLAG option of sqlite3_bind is "static"
2889 */
2890 static char *sqlite_static_bind_value = 0;
2891 static int sqlite_static_bind_nbyte = 0;
2892 
2893 /*
2894 ** Usage:  sqlite3_bind  VM  IDX  VALUE  FLAGS
2895 **
2896 ** Sets the value of the IDX-th occurrence of "?" in the original SQL
2897 ** string.  VALUE is the new value.  If FLAGS=="null" then VALUE is
2898 ** ignored and the value is set to NULL.  If FLAGS=="static" then
2899 ** the value is set to the value of a static variable named
2900 ** "sqlite_static_bind_value".  If FLAGS=="normal" then a copy
2901 ** of the VALUE is made.  If FLAGS=="blob10" then a VALUE is ignored
2902 ** an a 10-byte blob "abc\000xyz\000pq" is inserted.
2903 */
2904 static int SQLITE_TCLAPI test_bind(
2905   void *NotUsed,
2906   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
2907   int argc,              /* Number of arguments */
2908   char **argv            /* Text of each argument */
2909 ){
2910   sqlite3_stmt *pStmt;
2911   int rc;
2912   int idx;
2913   if( argc!=5 ){
2914     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
2915        " VM IDX VALUE (null|static|normal)\"", 0);
2916     return TCL_ERROR;
2917   }
2918   if( getStmtPointer(interp, argv[1], &pStmt) ) return TCL_ERROR;
2919   if( Tcl_GetInt(interp, argv[2], &idx) ) return TCL_ERROR;
2920   if( strcmp(argv[4],"null")==0 ){
2921     rc = sqlite3_bind_null(pStmt, idx);
2922   }else if( strcmp(argv[4],"static")==0 ){
2923     rc = sqlite3_bind_text(pStmt, idx, sqlite_static_bind_value, -1, 0);
2924   }else if( strcmp(argv[4],"static-nbytes")==0 ){
2925     rc = sqlite3_bind_text(pStmt, idx, sqlite_static_bind_value,
2926                                        sqlite_static_bind_nbyte, 0);
2927   }else if( strcmp(argv[4],"normal")==0 ){
2928     rc = sqlite3_bind_text(pStmt, idx, argv[3], -1, SQLITE_TRANSIENT);
2929   }else if( strcmp(argv[4],"blob10")==0 ){
2930     rc = sqlite3_bind_text(pStmt, idx, "abc\000xyz\000pq", 10, SQLITE_STATIC);
2931   }else{
2932     Tcl_AppendResult(interp, "4th argument should be "
2933         "\"null\" or \"static\" or \"normal\"", 0);
2934     return TCL_ERROR;
2935   }
2936   if( sqlite3TestErrCode(interp, StmtToDb(pStmt), rc) ) return TCL_ERROR;
2937   if( rc ){
2938     char zBuf[50];
2939     sqlite3_snprintf(sizeof(zBuf), zBuf, "(%d) ", rc);
2940     Tcl_AppendResult(interp, zBuf, sqlite3ErrStr(rc), 0);
2941     return TCL_ERROR;
2942   }
2943   return TCL_OK;
2944 }
2945 
2946 #ifndef SQLITE_OMIT_UTF16
2947 /*
2948 ** Usage: add_test_collate <db ptr> <utf8> <utf16le> <utf16be>
2949 **
2950 ** This function is used to test that SQLite selects the correct collation
2951 ** sequence callback when multiple versions (for different text encodings)
2952 ** are available.
2953 **
2954 ** Calling this routine registers the collation sequence "test_collate"
2955 ** with database handle <db>. The second argument must be a list of three
2956 ** boolean values. If the first is true, then a version of test_collate is
2957 ** registered for UTF-8, if the second is true, a version is registered for
2958 ** UTF-16le, if the third is true, a UTF-16be version is available.
2959 ** Previous versions of test_collate are deleted.
2960 **
2961 ** The collation sequence test_collate is implemented by calling the
2962 ** following TCL script:
2963 **
2964 **   "test_collate <enc> <lhs> <rhs>"
2965 **
2966 ** The <lhs> and <rhs> are the two values being compared, encoded in UTF-8.
2967 ** The <enc> parameter is the encoding of the collation function that
2968 ** SQLite selected to call. The TCL test script implements the
2969 ** "test_collate" proc.
2970 **
2971 ** Note that this will only work with one interpreter at a time, as the
2972 ** interp pointer to use when evaluating the TCL script is stored in
2973 ** pTestCollateInterp.
2974 */
2975 static Tcl_Interp* pTestCollateInterp;
2976 static int test_collate_func(
2977   void *pCtx,
2978   int nA, const void *zA,
2979   int nB, const void *zB
2980 ){
2981   Tcl_Interp *i = pTestCollateInterp;
2982   int encin = SQLITE_PTR_TO_INT(pCtx);
2983   int res;
2984   int n;
2985 
2986   sqlite3_value *pVal;
2987   Tcl_Obj *pX;
2988 
2989   pX = Tcl_NewStringObj("test_collate", -1);
2990   Tcl_IncrRefCount(pX);
2991 
2992   switch( encin ){
2993     case SQLITE_UTF8:
2994       Tcl_ListObjAppendElement(i,pX,Tcl_NewStringObj("UTF-8",-1));
2995       break;
2996     case SQLITE_UTF16LE:
2997       Tcl_ListObjAppendElement(i,pX,Tcl_NewStringObj("UTF-16LE",-1));
2998       break;
2999     case SQLITE_UTF16BE:
3000       Tcl_ListObjAppendElement(i,pX,Tcl_NewStringObj("UTF-16BE",-1));
3001       break;
3002     default:
3003       assert(0);
3004   }
3005 
3006   sqlite3BeginBenignMalloc();
3007   pVal = sqlite3ValueNew(0);
3008   if( pVal ){
3009     sqlite3ValueSetStr(pVal, nA, zA, encin, SQLITE_STATIC);
3010     n = sqlite3_value_bytes(pVal);
3011     Tcl_ListObjAppendElement(i,pX,
3012         Tcl_NewStringObj((char*)sqlite3_value_text(pVal),n));
3013     sqlite3ValueSetStr(pVal, nB, zB, encin, SQLITE_STATIC);
3014     n = sqlite3_value_bytes(pVal);
3015     Tcl_ListObjAppendElement(i,pX,
3016         Tcl_NewStringObj((char*)sqlite3_value_text(pVal),n));
3017     sqlite3ValueFree(pVal);
3018   }
3019   sqlite3EndBenignMalloc();
3020 
3021   Tcl_EvalObjEx(i, pX, 0);
3022   Tcl_DecrRefCount(pX);
3023   Tcl_GetIntFromObj(i, Tcl_GetObjResult(i), &res);
3024   return res;
3025 }
3026 static int SQLITE_TCLAPI test_collate(
3027   void * clientData,
3028   Tcl_Interp *interp,
3029   int objc,
3030   Tcl_Obj *CONST objv[]
3031 ){
3032   sqlite3 *db;
3033   int val;
3034   sqlite3_value *pVal;
3035   int rc;
3036 
3037   if( objc!=5 ) goto bad_args;
3038   pTestCollateInterp = interp;
3039   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
3040 
3041   if( TCL_OK!=Tcl_GetBooleanFromObj(interp, objv[2], &val) ) return TCL_ERROR;
3042   rc = sqlite3_create_collation(db, "test_collate", SQLITE_UTF8,
3043           (void *)SQLITE_UTF8, val?test_collate_func:0);
3044   if( rc==SQLITE_OK ){
3045     const void *zUtf16;
3046     if( TCL_OK!=Tcl_GetBooleanFromObj(interp, objv[3], &val) ) return TCL_ERROR;
3047     rc = sqlite3_create_collation(db, "test_collate", SQLITE_UTF16LE,
3048             (void *)SQLITE_UTF16LE, val?test_collate_func:0);
3049     if( TCL_OK!=Tcl_GetBooleanFromObj(interp, objv[4], &val) ) return TCL_ERROR;
3050 
3051 #if 0
3052     if( sqlite3_iMallocFail>0 ){
3053       sqlite3_iMallocFail++;
3054     }
3055 #endif
3056     sqlite3_mutex_enter(db->mutex);
3057     pVal = sqlite3ValueNew(db);
3058     sqlite3ValueSetStr(pVal, -1, "test_collate", SQLITE_UTF8, SQLITE_STATIC);
3059     zUtf16 = sqlite3ValueText(pVal, SQLITE_UTF16NATIVE);
3060     if( db->mallocFailed ){
3061       rc = SQLITE_NOMEM;
3062     }else{
3063       rc = sqlite3_create_collation16(db, zUtf16, SQLITE_UTF16BE,
3064           (void *)SQLITE_UTF16BE, val?test_collate_func:0);
3065     }
3066     sqlite3ValueFree(pVal);
3067     sqlite3_mutex_leave(db->mutex);
3068   }
3069   if( sqlite3TestErrCode(interp, db, rc) ) return TCL_ERROR;
3070 
3071   if( rc!=SQLITE_OK ){
3072     Tcl_AppendResult(interp, sqlite3ErrName(rc), 0);
3073     return TCL_ERROR;
3074   }
3075   return TCL_OK;
3076 
3077 bad_args:
3078   Tcl_AppendResult(interp, "wrong # args: should be \"",
3079       Tcl_GetStringFromObj(objv[0], 0), " <DB> <utf8> <utf16le> <utf16be>", 0);
3080   return TCL_ERROR;
3081 }
3082 
3083 /*
3084 ** Usage: add_test_utf16bin_collate <db ptr>
3085 **
3086 ** Add a utf-16 collation sequence named "utf16bin" to the database
3087 ** handle. This collation sequence compares arguments in the same way as the
3088 ** built-in collation "binary".
3089 */
3090 static int test_utf16bin_collate_func(
3091   void *pCtx,
3092   int nA, const void *zA,
3093   int nB, const void *zB
3094 ){
3095   int nCmp = (nA>nB ? nB : nA);
3096   int res = memcmp(zA, zB, nCmp);
3097   if( res==0 ) res = nA - nB;
3098   return res;
3099 }
3100 static int SQLITE_TCLAPI test_utf16bin_collate(
3101   void * clientData,
3102   Tcl_Interp *interp,
3103   int objc,
3104   Tcl_Obj *CONST objv[]
3105 ){
3106   sqlite3 *db;
3107   int rc;
3108 
3109   if( objc!=2 ) goto bad_args;
3110   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
3111 
3112   rc = sqlite3_create_collation(db, "utf16bin", SQLITE_UTF16, 0,
3113       test_utf16bin_collate_func
3114   );
3115   if( sqlite3TestErrCode(interp, db, rc) ) return TCL_ERROR;
3116   return TCL_OK;
3117 
3118 bad_args:
3119   Tcl_WrongNumArgs(interp, 1, objv, "DB");
3120   return TCL_ERROR;
3121 }
3122 
3123 /*
3124 ** When the collation needed callback is invoked, record the name of
3125 ** the requested collating function here.  The recorded name is linked
3126 ** to a TCL variable and used to make sure that the requested collation
3127 ** name is correct.
3128 */
3129 static char zNeededCollation[200];
3130 static char *pzNeededCollation = zNeededCollation;
3131 
3132 
3133 /*
3134 ** Called when a collating sequence is needed.  Registered using
3135 ** sqlite3_collation_needed16().
3136 */
3137 static void test_collate_needed_cb(
3138   void *pCtx,
3139   sqlite3 *db,
3140   int eTextRep,
3141   const void *pName
3142 ){
3143   int enc = ENC(db);
3144   int i;
3145   char *z;
3146   for(z = (char*)pName, i=0; *z || z[1]; z++){
3147     if( *z ) zNeededCollation[i++] = *z;
3148   }
3149   zNeededCollation[i] = 0;
3150   sqlite3_create_collation(
3151       db, "test_collate", ENC(db), SQLITE_INT_TO_PTR(enc), test_collate_func);
3152 }
3153 
3154 /*
3155 ** Usage: add_test_collate_needed DB
3156 */
3157 static int SQLITE_TCLAPI test_collate_needed(
3158   void * clientData,
3159   Tcl_Interp *interp,
3160   int objc,
3161   Tcl_Obj *CONST objv[]
3162 ){
3163   sqlite3 *db;
3164   int rc;
3165 
3166   if( objc!=2 ) goto bad_args;
3167   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
3168   rc = sqlite3_collation_needed16(db, 0, test_collate_needed_cb);
3169   zNeededCollation[0] = 0;
3170   if( sqlite3TestErrCode(interp, db, rc) ) return TCL_ERROR;
3171   return TCL_OK;
3172 
3173 bad_args:
3174   Tcl_WrongNumArgs(interp, 1, objv, "DB");
3175   return TCL_ERROR;
3176 }
3177 
3178 /*
3179 ** tclcmd:   add_alignment_test_collations  DB
3180 **
3181 ** Add two new collating sequences to the database DB
3182 **
3183 **     utf16_aligned
3184 **     utf16_unaligned
3185 **
3186 ** Both collating sequences use the same sort order as BINARY.
3187 ** The only difference is that the utf16_aligned collating
3188 ** sequence is declared with the SQLITE_UTF16_ALIGNED flag.
3189 ** Both collating functions increment the unaligned utf16 counter
3190 ** whenever they see a string that begins on an odd byte boundary.
3191 */
3192 static int unaligned_string_counter = 0;
3193 static int alignmentCollFunc(
3194   void *NotUsed,
3195   int nKey1, const void *pKey1,
3196   int nKey2, const void *pKey2
3197 ){
3198   int rc, n;
3199   n = nKey1<nKey2 ? nKey1 : nKey2;
3200   if( nKey1>0 && 1==(1&(SQLITE_PTR_TO_INT(pKey1))) ) unaligned_string_counter++;
3201   if( nKey2>0 && 1==(1&(SQLITE_PTR_TO_INT(pKey2))) ) unaligned_string_counter++;
3202   rc = memcmp(pKey1, pKey2, n);
3203   if( rc==0 ){
3204     rc = nKey1 - nKey2;
3205   }
3206   return rc;
3207 }
3208 static int SQLITE_TCLAPI add_alignment_test_collations(
3209   void * clientData,
3210   Tcl_Interp *interp,
3211   int objc,
3212   Tcl_Obj *CONST objv[]
3213 ){
3214   sqlite3 *db;
3215   if( objc>=2 ){
3216     if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
3217     sqlite3_create_collation(db, "utf16_unaligned", SQLITE_UTF16,
3218         0, alignmentCollFunc);
3219     sqlite3_create_collation(db, "utf16_aligned", SQLITE_UTF16_ALIGNED,
3220         0, alignmentCollFunc);
3221   }
3222   return SQLITE_OK;
3223 }
3224 #endif /* !defined(SQLITE_OMIT_UTF16) */
3225 
3226 /*
3227 ** Usage: add_test_function <db ptr> <utf8> <utf16le> <utf16be>
3228 **
3229 ** This function is used to test that SQLite selects the correct user
3230 ** function callback when multiple versions (for different text encodings)
3231 ** are available.
3232 **
3233 ** Calling this routine registers up to three versions of the user function
3234 ** "test_function" with database handle <db>.  If the second argument is
3235 ** true, then a version of test_function is registered for UTF-8, if the
3236 ** third is true, a version is registered for UTF-16le, if the fourth is
3237 ** true, a UTF-16be version is available.  Previous versions of
3238 ** test_function are deleted.
3239 **
3240 ** The user function is implemented by calling the following TCL script:
3241 **
3242 **   "test_function <enc> <arg>"
3243 **
3244 ** Where <enc> is one of UTF-8, UTF-16LE or UTF16BE, and <arg> is the
3245 ** single argument passed to the SQL function. The value returned by
3246 ** the TCL script is used as the return value of the SQL function. It
3247 ** is passed to SQLite using UTF-16BE for a UTF-8 test_function(), UTF-8
3248 ** for a UTF-16LE test_function(), and UTF-16LE for an implementation that
3249 ** prefers UTF-16BE.
3250 */
3251 #ifndef SQLITE_OMIT_UTF16
3252 static void test_function_utf8(
3253   sqlite3_context *pCtx,
3254   int nArg,
3255   sqlite3_value **argv
3256 ){
3257   Tcl_Interp *interp;
3258   Tcl_Obj *pX;
3259   sqlite3_value *pVal;
3260   interp = (Tcl_Interp *)sqlite3_user_data(pCtx);
3261   pX = Tcl_NewStringObj("test_function", -1);
3262   Tcl_IncrRefCount(pX);
3263   Tcl_ListObjAppendElement(interp, pX, Tcl_NewStringObj("UTF-8", -1));
3264   Tcl_ListObjAppendElement(interp, pX,
3265       Tcl_NewStringObj((char*)sqlite3_value_text(argv[0]), -1));
3266   Tcl_EvalObjEx(interp, pX, 0);
3267   Tcl_DecrRefCount(pX);
3268   sqlite3_result_text(pCtx, Tcl_GetStringResult(interp), -1, SQLITE_TRANSIENT);
3269   pVal = sqlite3ValueNew(0);
3270   sqlite3ValueSetStr(pVal, -1, Tcl_GetStringResult(interp),
3271       SQLITE_UTF8, SQLITE_STATIC);
3272   sqlite3_result_text16be(pCtx, sqlite3_value_text16be(pVal),
3273       -1, SQLITE_TRANSIENT);
3274   sqlite3ValueFree(pVal);
3275 }
3276 static void test_function_utf16le(
3277   sqlite3_context *pCtx,
3278   int nArg,
3279   sqlite3_value **argv
3280 ){
3281   Tcl_Interp *interp;
3282   Tcl_Obj *pX;
3283   sqlite3_value *pVal;
3284   interp = (Tcl_Interp *)sqlite3_user_data(pCtx);
3285   pX = Tcl_NewStringObj("test_function", -1);
3286   Tcl_IncrRefCount(pX);
3287   Tcl_ListObjAppendElement(interp, pX, Tcl_NewStringObj("UTF-16LE", -1));
3288   Tcl_ListObjAppendElement(interp, pX,
3289       Tcl_NewStringObj((char*)sqlite3_value_text(argv[0]), -1));
3290   Tcl_EvalObjEx(interp, pX, 0);
3291   Tcl_DecrRefCount(pX);
3292   pVal = sqlite3ValueNew(0);
3293   sqlite3ValueSetStr(pVal, -1, Tcl_GetStringResult(interp),
3294       SQLITE_UTF8, SQLITE_STATIC);
3295   sqlite3_result_text(pCtx,(char*)sqlite3_value_text(pVal),-1,SQLITE_TRANSIENT);
3296   sqlite3ValueFree(pVal);
3297 }
3298 static void test_function_utf16be(
3299   sqlite3_context *pCtx,
3300   int nArg,
3301   sqlite3_value **argv
3302 ){
3303   Tcl_Interp *interp;
3304   Tcl_Obj *pX;
3305   sqlite3_value *pVal;
3306   interp = (Tcl_Interp *)sqlite3_user_data(pCtx);
3307   pX = Tcl_NewStringObj("test_function", -1);
3308   Tcl_IncrRefCount(pX);
3309   Tcl_ListObjAppendElement(interp, pX, Tcl_NewStringObj("UTF-16BE", -1));
3310   Tcl_ListObjAppendElement(interp, pX,
3311       Tcl_NewStringObj((char*)sqlite3_value_text(argv[0]), -1));
3312   Tcl_EvalObjEx(interp, pX, 0);
3313   Tcl_DecrRefCount(pX);
3314   pVal = sqlite3ValueNew(0);
3315   sqlite3ValueSetStr(pVal, -1, Tcl_GetStringResult(interp),
3316       SQLITE_UTF8, SQLITE_STATIC);
3317   sqlite3_result_text16(pCtx, sqlite3_value_text16le(pVal),
3318       -1, SQLITE_TRANSIENT);
3319   sqlite3_result_text16be(pCtx, sqlite3_value_text16le(pVal),
3320       -1, SQLITE_TRANSIENT);
3321   sqlite3_result_text16le(pCtx, sqlite3_value_text16le(pVal),
3322       -1, SQLITE_TRANSIENT);
3323   sqlite3ValueFree(pVal);
3324 }
3325 #endif /* SQLITE_OMIT_UTF16 */
3326 static int SQLITE_TCLAPI test_function(
3327   void * clientData,
3328   Tcl_Interp *interp,
3329   int objc,
3330   Tcl_Obj *CONST objv[]
3331 ){
3332 #ifndef SQLITE_OMIT_UTF16
3333   sqlite3 *db;
3334   int val;
3335 
3336   if( objc!=5 ) goto bad_args;
3337   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
3338 
3339   if( TCL_OK!=Tcl_GetBooleanFromObj(interp, objv[2], &val) ) return TCL_ERROR;
3340   if( val ){
3341     sqlite3_create_function(db, "test_function", 1, SQLITE_UTF8,
3342         interp, test_function_utf8, 0, 0);
3343   }
3344   if( TCL_OK!=Tcl_GetBooleanFromObj(interp, objv[3], &val) ) return TCL_ERROR;
3345   if( val ){
3346     sqlite3_create_function(db, "test_function", 1, SQLITE_UTF16LE,
3347         interp, test_function_utf16le, 0, 0);
3348   }
3349   if( TCL_OK!=Tcl_GetBooleanFromObj(interp, objv[4], &val) ) return TCL_ERROR;
3350   if( val ){
3351     sqlite3_create_function(db, "test_function", 1, SQLITE_UTF16BE,
3352         interp, test_function_utf16be, 0, 0);
3353   }
3354 
3355   return TCL_OK;
3356 bad_args:
3357   Tcl_AppendResult(interp, "wrong # args: should be \"",
3358       Tcl_GetStringFromObj(objv[0], 0), " <DB> <utf8> <utf16le> <utf16be>", 0);
3359 #endif /* SQLITE_OMIT_UTF16 */
3360   return TCL_ERROR;
3361 }
3362 
3363 /*
3364 ** Usage:         sqlite3_test_errstr <err code>
3365 **
3366 ** Test that the english language string equivalents for sqlite error codes
3367 ** are sane. The parameter is an integer representing an sqlite error code.
3368 ** The result is a list of two elements, the string representation of the
3369 ** error code and the english language explanation.
3370 */
3371 static int SQLITE_TCLAPI test_errstr(
3372   void * clientData,
3373   Tcl_Interp *interp,
3374   int objc,
3375   Tcl_Obj *CONST objv[]
3376 ){
3377   char *zCode;
3378   int i;
3379   if( objc!=1 ){
3380     Tcl_WrongNumArgs(interp, 1, objv, "<error code>");
3381   }
3382 
3383   zCode = Tcl_GetString(objv[1]);
3384   for(i=0; i<200; i++){
3385     if( 0==strcmp(t1ErrorName(i), zCode) ) break;
3386   }
3387   Tcl_SetResult(interp, (char *)sqlite3ErrStr(i), 0);
3388   return TCL_OK;
3389 }
3390 
3391 /*
3392 ** Usage:    breakpoint
3393 **
3394 ** This routine exists for one purpose - to provide a place to put a
3395 ** breakpoint with GDB that can be triggered using TCL code.  The use
3396 ** for this is when a particular test fails on (say) the 1485th iteration.
3397 ** In the TCL test script, we can add code like this:
3398 **
3399 **     if {$i==1485} breakpoint
3400 **
3401 ** Then run testfixture in the debugger and wait for the breakpoint to
3402 ** fire.  Then additional breakpoints can be set to trace down the bug.
3403 */
3404 static int SQLITE_TCLAPI test_breakpoint(
3405   void *NotUsed,
3406   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
3407   int argc,              /* Number of arguments */
3408   char **argv            /* Text of each argument */
3409 ){
3410   return TCL_OK;         /* Do nothing */
3411 }
3412 
3413 /*
3414 ** Usage:   sqlite3_bind_zeroblob  STMT IDX N
3415 **
3416 ** Test the sqlite3_bind_zeroblob interface.  STMT is a prepared statement.
3417 ** IDX is the index of a wildcard in the prepared statement.  This command
3418 ** binds a N-byte zero-filled BLOB to the wildcard.
3419 */
3420 static int SQLITE_TCLAPI test_bind_zeroblob(
3421   void * clientData,
3422   Tcl_Interp *interp,
3423   int objc,
3424   Tcl_Obj *CONST objv[]
3425 ){
3426   sqlite3_stmt *pStmt;
3427   int idx;
3428   int n;
3429   int rc;
3430 
3431   if( objc!=4 ){
3432     Tcl_WrongNumArgs(interp, 1, objv, "STMT IDX N");
3433     return TCL_ERROR;
3434   }
3435 
3436   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
3437   if( Tcl_GetIntFromObj(interp, objv[2], &idx) ) return TCL_ERROR;
3438   if( Tcl_GetIntFromObj(interp, objv[3], &n) ) return TCL_ERROR;
3439 
3440   rc = sqlite3_bind_zeroblob(pStmt, idx, n);
3441   if( sqlite3TestErrCode(interp, StmtToDb(pStmt), rc) ) return TCL_ERROR;
3442   if( rc!=SQLITE_OK ){
3443     return TCL_ERROR;
3444   }
3445 
3446   return TCL_OK;
3447 }
3448 
3449 /*
3450 ** Usage:   sqlite3_bind_zeroblob64  STMT IDX N
3451 **
3452 ** Test the sqlite3_bind_zeroblob64 interface.  STMT is a prepared statement.
3453 ** IDX is the index of a wildcard in the prepared statement.  This command
3454 ** binds a N-byte zero-filled BLOB to the wildcard.
3455 */
3456 static int SQLITE_TCLAPI test_bind_zeroblob64(
3457   void * clientData,
3458   Tcl_Interp *interp,
3459   int objc,
3460   Tcl_Obj *CONST objv[]
3461 ){
3462   sqlite3_stmt *pStmt;
3463   int idx;
3464   Tcl_WideInt n;
3465   int rc;
3466 
3467   if( objc!=4 ){
3468     Tcl_WrongNumArgs(interp, 1, objv, "STMT IDX N");
3469     return TCL_ERROR;
3470   }
3471 
3472   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
3473   if( Tcl_GetIntFromObj(interp, objv[2], &idx) ) return TCL_ERROR;
3474   if( Tcl_GetWideIntFromObj(interp, objv[3], &n) ) return TCL_ERROR;
3475 
3476   rc = sqlite3_bind_zeroblob64(pStmt, idx, n);
3477   if( sqlite3TestErrCode(interp, StmtToDb(pStmt), rc) ) return TCL_ERROR;
3478   if( rc!=SQLITE_OK ){
3479     Tcl_AppendResult(interp, sqlite3ErrName(rc), 0);
3480     return TCL_ERROR;
3481   }
3482 
3483   return TCL_OK;
3484 }
3485 
3486 /*
3487 ** Usage:   sqlite3_bind_int  STMT N VALUE
3488 **
3489 ** Test the sqlite3_bind_int interface.  STMT is a prepared statement.
3490 ** N is the index of a wildcard in the prepared statement.  This command
3491 ** binds a 32-bit integer VALUE to that wildcard.
3492 */
3493 static int SQLITE_TCLAPI test_bind_int(
3494   void * clientData,
3495   Tcl_Interp *interp,
3496   int objc,
3497   Tcl_Obj *CONST objv[]
3498 ){
3499   sqlite3_stmt *pStmt;
3500   int idx;
3501   int value;
3502   int rc;
3503 
3504   if( objc!=4 ){
3505     Tcl_AppendResult(interp, "wrong # args: should be \"",
3506         Tcl_GetStringFromObj(objv[0], 0), " STMT N VALUE", 0);
3507     return TCL_ERROR;
3508   }
3509 
3510   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
3511   if( Tcl_GetIntFromObj(interp, objv[2], &idx) ) return TCL_ERROR;
3512   if( Tcl_GetIntFromObj(interp, objv[3], &value) ) return TCL_ERROR;
3513 
3514   rc = sqlite3_bind_int(pStmt, idx, value);
3515   if( sqlite3TestErrCode(interp, StmtToDb(pStmt), rc) ) return TCL_ERROR;
3516   if( rc!=SQLITE_OK ){
3517     return TCL_ERROR;
3518   }
3519 
3520   return TCL_OK;
3521 }
3522 
3523 
3524 /*
3525 ** Usage:   intarray_addr  INT  ...
3526 **
3527 ** Return the address of a C-language array of 32-bit integers.
3528 **
3529 ** Space to hold the array is obtained from malloc().  Call this procedure once
3530 ** with no arguments in order to release memory.  Each call to this procedure
3531 ** overwrites the previous array.
3532 */
3533 static int SQLITE_TCLAPI test_intarray_addr(
3534   void * clientData,
3535   Tcl_Interp *interp,
3536   int objc,
3537   Tcl_Obj *CONST objv[]
3538 ){
3539   int i;
3540   static int *p = 0;
3541 
3542   sqlite3_free(p);
3543   p = 0;
3544   if( objc>1 ){
3545     p = sqlite3_malloc( sizeof(p[0])*(objc-1) );
3546     if( p==0 ) return TCL_ERROR;
3547     for(i=0; i<objc-1; i++){
3548       if( Tcl_GetIntFromObj(interp, objv[1+i], &p[i]) ){
3549         sqlite3_free(p);
3550         p = 0;
3551         return TCL_ERROR;
3552       }
3553     }
3554   }
3555   Tcl_SetObjResult(interp, Tcl_NewWideIntObj((sqlite3_int64)p));
3556   return TCL_OK;
3557 }
3558 /*
3559 ** Usage:   intarray_addr  INT  ...
3560 **
3561 ** Return the address of a C-language array of 32-bit integers.
3562 **
3563 ** Space to hold the array is obtained from malloc().  Call this procedure once
3564 ** with no arguments in order to release memory.  Each call to this procedure
3565 ** overwrites the previous array.
3566 */
3567 static int SQLITE_TCLAPI test_int64array_addr(
3568   void * clientData,
3569   Tcl_Interp *interp,
3570   int objc,
3571   Tcl_Obj *CONST objv[]
3572 ){
3573   int i;
3574   static sqlite3_int64 *p = 0;
3575 
3576   sqlite3_free(p);
3577   p = 0;
3578   if( objc>1 ){
3579     p = sqlite3_malloc( sizeof(p[0])*(objc-1) );
3580     if( p==0 ) return TCL_ERROR;
3581     for(i=0; i<objc-1; i++){
3582       Tcl_WideInt v;
3583       if( Tcl_GetWideIntFromObj(interp, objv[1+i], &v) ){
3584         sqlite3_free(p);
3585         p = 0;
3586         return TCL_ERROR;
3587       }
3588       p[i] = v;
3589     }
3590   }
3591   Tcl_SetObjResult(interp, Tcl_NewWideIntObj((sqlite3_int64)p));
3592   return TCL_OK;
3593 }
3594 /*
3595 ** Usage:   doublearray_addr  INT  ...
3596 **
3597 ** Return the address of a C-language array of doubles.
3598 **
3599 ** Space to hold the array is obtained from malloc().  Call this procedure once
3600 ** with no arguments in order to release memory.  Each call to this procedure
3601 ** overwrites the previous array.
3602 */
3603 static int SQLITE_TCLAPI test_doublearray_addr(
3604   void * clientData,
3605   Tcl_Interp *interp,
3606   int objc,
3607   Tcl_Obj *CONST objv[]
3608 ){
3609   int i;
3610   static double *p = 0;
3611 
3612   sqlite3_free(p);
3613   p = 0;
3614   if( objc>1 ){
3615     p = sqlite3_malloc( sizeof(p[0])*(objc-1) );
3616     if( p==0 ) return TCL_ERROR;
3617     for(i=0; i<objc-1; i++){
3618       if( Tcl_GetDoubleFromObj(interp, objv[1+i], &p[i]) ){
3619         sqlite3_free(p);
3620         p = 0;
3621         return TCL_ERROR;
3622       }
3623     }
3624   }
3625   Tcl_SetObjResult(interp, Tcl_NewWideIntObj((sqlite3_int64)p));
3626   return TCL_OK;
3627 }
3628 /*
3629 ** Usage:   textarray_addr  TEXT ...
3630 **
3631 ** Return the address of a C-language array of strings.
3632 **
3633 ** Space to hold the array is obtained from malloc().  Call this procedure once
3634 ** with no arguments in order to release memory.  Each call to this procedure
3635 ** overwrites the previous array.
3636 */
3637 static int SQLITE_TCLAPI test_textarray_addr(
3638   void * clientData,
3639   Tcl_Interp *interp,
3640   int objc,
3641   Tcl_Obj *CONST objv[]
3642 ){
3643   int i;
3644   static int n = 0;
3645   static char **p = 0;
3646 
3647   for(i=0; i<n; i++) sqlite3_free(p[i]);
3648   sqlite3_free(p);
3649   p = 0;
3650   if( objc>1 ){
3651     p = sqlite3_malloc( sizeof(p[0])*(objc-1) );
3652     if( p==0 ) return TCL_ERROR;
3653     for(i=0; i<objc-1; i++){
3654       p[i] = sqlite3_mprintf("%s", Tcl_GetString(objv[1+i]));
3655     }
3656   }
3657   n = objc-1;
3658   Tcl_SetObjResult(interp, Tcl_NewWideIntObj((sqlite3_int64)p));
3659   return TCL_OK;
3660 }
3661 
3662 
3663 /*
3664 ** Usage:   sqlite3_bind_int64  STMT N VALUE
3665 **
3666 ** Test the sqlite3_bind_int64 interface.  STMT is a prepared statement.
3667 ** N is the index of a wildcard in the prepared statement.  This command
3668 ** binds a 64-bit integer VALUE to that wildcard.
3669 */
3670 static int SQLITE_TCLAPI test_bind_int64(
3671   void * clientData,
3672   Tcl_Interp *interp,
3673   int objc,
3674   Tcl_Obj *CONST objv[]
3675 ){
3676   sqlite3_stmt *pStmt;
3677   int idx;
3678   Tcl_WideInt value;
3679   int rc;
3680 
3681   if( objc!=4 ){
3682     Tcl_AppendResult(interp, "wrong # args: should be \"",
3683         Tcl_GetStringFromObj(objv[0], 0), " STMT N VALUE", 0);
3684     return TCL_ERROR;
3685   }
3686 
3687   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
3688   if( Tcl_GetIntFromObj(interp, objv[2], &idx) ) return TCL_ERROR;
3689   if( Tcl_GetWideIntFromObj(interp, objv[3], &value) ) return TCL_ERROR;
3690 
3691   rc = sqlite3_bind_int64(pStmt, idx, value);
3692   if( sqlite3TestErrCode(interp, StmtToDb(pStmt), rc) ) return TCL_ERROR;
3693   if( rc!=SQLITE_OK ){
3694     return TCL_ERROR;
3695   }
3696 
3697   return TCL_OK;
3698 }
3699 
3700 
3701 /*
3702 ** Usage:   sqlite3_bind_double  STMT N VALUE
3703 **
3704 ** Test the sqlite3_bind_double interface.  STMT is a prepared statement.
3705 ** N is the index of a wildcard in the prepared statement.  This command
3706 ** binds a 64-bit integer VALUE to that wildcard.
3707 */
3708 static int SQLITE_TCLAPI test_bind_double(
3709   void * clientData,
3710   Tcl_Interp *interp,
3711   int objc,
3712   Tcl_Obj *CONST objv[]
3713 ){
3714   sqlite3_stmt *pStmt;
3715   int idx;
3716   double value = 0;
3717   int rc;
3718   const char *zVal;
3719   int i;
3720   static const struct {
3721     const char *zName;     /* Name of the special floating point value */
3722     unsigned int iUpper;   /* Upper 32 bits */
3723     unsigned int iLower;   /* Lower 32 bits */
3724   } aSpecialFp[] = {
3725     {  "NaN",      0x7fffffff, 0xffffffff },
3726     {  "SNaN",     0x7ff7ffff, 0xffffffff },
3727     {  "-NaN",     0xffffffff, 0xffffffff },
3728     {  "-SNaN",    0xfff7ffff, 0xffffffff },
3729     {  "+Inf",     0x7ff00000, 0x00000000 },
3730     {  "-Inf",     0xfff00000, 0x00000000 },
3731     {  "Epsilon",  0x00000000, 0x00000001 },
3732     {  "-Epsilon", 0x80000000, 0x00000001 },
3733     {  "NaN0",     0x7ff80000, 0x00000000 },
3734     {  "-NaN0",    0xfff80000, 0x00000000 },
3735   };
3736 
3737   if( objc!=4 ){
3738     Tcl_AppendResult(interp, "wrong # args: should be \"",
3739         Tcl_GetStringFromObj(objv[0], 0), " STMT N VALUE", 0);
3740     return TCL_ERROR;
3741   }
3742 
3743   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
3744   if( Tcl_GetIntFromObj(interp, objv[2], &idx) ) return TCL_ERROR;
3745 
3746   /* Intercept the string "NaN" and generate a NaN value for it.
3747   ** All other strings are passed through to Tcl_GetDoubleFromObj().
3748   ** Tcl_GetDoubleFromObj() should understand "NaN" but some versions
3749   ** contain a bug.
3750   */
3751   zVal = Tcl_GetString(objv[3]);
3752   for(i=0; i<sizeof(aSpecialFp)/sizeof(aSpecialFp[0]); i++){
3753     if( strcmp(aSpecialFp[i].zName, zVal)==0 ){
3754       sqlite3_uint64 x;
3755       x = aSpecialFp[i].iUpper;
3756       x <<= 32;
3757       x |= aSpecialFp[i].iLower;
3758       assert( sizeof(value)==8 );
3759       assert( sizeof(x)==8 );
3760       memcpy(&value, &x, 8);
3761       break;
3762     }
3763   }
3764   if( i>=sizeof(aSpecialFp)/sizeof(aSpecialFp[0]) &&
3765          Tcl_GetDoubleFromObj(interp, objv[3], &value) ){
3766     return TCL_ERROR;
3767   }
3768   rc = sqlite3_bind_double(pStmt, idx, value);
3769   if( sqlite3TestErrCode(interp, StmtToDb(pStmt), rc) ) return TCL_ERROR;
3770   if( rc!=SQLITE_OK ){
3771     return TCL_ERROR;
3772   }
3773 
3774   return TCL_OK;
3775 }
3776 
3777 /*
3778 ** Usage:   sqlite3_bind_null  STMT N
3779 **
3780 ** Test the sqlite3_bind_null interface.  STMT is a prepared statement.
3781 ** N is the index of a wildcard in the prepared statement.  This command
3782 ** binds a NULL to the wildcard.
3783 */
3784 static int SQLITE_TCLAPI test_bind_null(
3785   void * clientData,
3786   Tcl_Interp *interp,
3787   int objc,
3788   Tcl_Obj *CONST objv[]
3789 ){
3790   sqlite3_stmt *pStmt;
3791   int idx;
3792   int rc;
3793 
3794   if( objc!=3 ){
3795     Tcl_AppendResult(interp, "wrong # args: should be \"",
3796         Tcl_GetStringFromObj(objv[0], 0), " STMT N", 0);
3797     return TCL_ERROR;
3798   }
3799 
3800   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
3801   if( Tcl_GetIntFromObj(interp, objv[2], &idx) ) return TCL_ERROR;
3802 
3803   rc = sqlite3_bind_null(pStmt, idx);
3804   if( sqlite3TestErrCode(interp, StmtToDb(pStmt), rc) ) return TCL_ERROR;
3805   if( rc!=SQLITE_OK ){
3806     return TCL_ERROR;
3807   }
3808 
3809   return TCL_OK;
3810 }
3811 
3812 /*
3813 ** Usage:   sqlite3_bind_text  STMT N STRING BYTES
3814 **
3815 ** Test the sqlite3_bind_text interface.  STMT is a prepared statement.
3816 ** N is the index of a wildcard in the prepared statement.  This command
3817 ** binds a UTF-8 string STRING to the wildcard.  The string is BYTES bytes
3818 ** long.
3819 */
3820 static int SQLITE_TCLAPI test_bind_text(
3821   void * clientData,
3822   Tcl_Interp *interp,
3823   int objc,
3824   Tcl_Obj *CONST objv[]
3825 ){
3826   sqlite3_stmt *pStmt;
3827   int idx;
3828   int trueLength = 0;
3829   int bytes;
3830   char *value;
3831   int rc;
3832   char *toFree = 0;
3833 
3834   if( objc!=5 ){
3835     Tcl_AppendResult(interp, "wrong # args: should be \"",
3836         Tcl_GetStringFromObj(objv[0], 0), " STMT N VALUE BYTES", 0);
3837     return TCL_ERROR;
3838   }
3839 
3840   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
3841   if( Tcl_GetIntFromObj(interp, objv[2], &idx) ) return TCL_ERROR;
3842   value = (char*)Tcl_GetByteArrayFromObj(objv[3], &trueLength);
3843   if( Tcl_GetIntFromObj(interp, objv[4], &bytes) ) return TCL_ERROR;
3844   if( bytes<0 ){
3845     toFree = malloc( trueLength + 1 );
3846     if( toFree==0 ){
3847       Tcl_AppendResult(interp, "out of memory", (void*)0);
3848       return TCL_ERROR;
3849     }
3850     memcpy(toFree, value, trueLength);
3851     toFree[trueLength] = 0;
3852     value = toFree;
3853   }
3854   rc = sqlite3_bind_text(pStmt, idx, value, bytes, SQLITE_TRANSIENT);
3855   free(toFree);
3856   if( sqlite3TestErrCode(interp, StmtToDb(pStmt), rc) ) return TCL_ERROR;
3857   if( rc!=SQLITE_OK ){
3858     Tcl_AppendResult(interp, sqlite3ErrName(rc), (void*)0);
3859     return TCL_ERROR;
3860   }
3861 
3862   return TCL_OK;
3863 }
3864 
3865 /*
3866 ** Usage:   sqlite3_bind_text16 ?-static? STMT N STRING BYTES
3867 **
3868 ** Test the sqlite3_bind_text16 interface.  STMT is a prepared statement.
3869 ** N is the index of a wildcard in the prepared statement.  This command
3870 ** binds a UTF-16 string STRING to the wildcard.  The string is BYTES bytes
3871 ** long.
3872 */
3873 static int SQLITE_TCLAPI test_bind_text16(
3874   void * clientData,
3875   Tcl_Interp *interp,
3876   int objc,
3877   Tcl_Obj *CONST objv[]
3878 ){
3879 #ifndef SQLITE_OMIT_UTF16
3880   sqlite3_stmt *pStmt;
3881   int idx;
3882   int bytes;
3883   char *value;
3884   char *toFree = 0;
3885   int rc;
3886   int trueLength = 0;
3887 
3888   void (*xDel)(void*) = (objc==6?SQLITE_STATIC:SQLITE_TRANSIENT);
3889   Tcl_Obj *oStmt    = objv[objc-4];
3890   Tcl_Obj *oN       = objv[objc-3];
3891   Tcl_Obj *oString  = objv[objc-2];
3892   Tcl_Obj *oBytes   = objv[objc-1];
3893 
3894   if( objc!=5 && objc!=6){
3895     Tcl_AppendResult(interp, "wrong # args: should be \"",
3896         Tcl_GetStringFromObj(objv[0], 0), " STMT N VALUE BYTES", 0);
3897     return TCL_ERROR;
3898   }
3899 
3900   if( getStmtPointer(interp, Tcl_GetString(oStmt), &pStmt) ) return TCL_ERROR;
3901   if( Tcl_GetIntFromObj(interp, oN, &idx) ) return TCL_ERROR;
3902   value = (char*)Tcl_GetByteArrayFromObj(oString, &trueLength);
3903   if( Tcl_GetIntFromObj(interp, oBytes, &bytes) ) return TCL_ERROR;
3904   if( bytes<0 && xDel==SQLITE_TRANSIENT ){
3905     toFree = malloc( trueLength + 3 );
3906     if( toFree==0 ){
3907       Tcl_AppendResult(interp, "out of memory", (void*)0);
3908       return TCL_ERROR;
3909     }
3910     memcpy(toFree, value, trueLength);
3911     memset(toFree+trueLength, 0, 3);
3912     value = toFree;
3913   }
3914   rc = sqlite3_bind_text16(pStmt, idx, (void *)value, bytes, xDel);
3915   free(toFree);
3916   if( sqlite3TestErrCode(interp, StmtToDb(pStmt), rc) ) return TCL_ERROR;
3917   if( rc!=SQLITE_OK ){
3918     Tcl_AppendResult(interp, sqlite3ErrName(rc), 0);
3919     return TCL_ERROR;
3920   }
3921 
3922 #endif /* SQLITE_OMIT_UTF16 */
3923   return TCL_OK;
3924 }
3925 
3926 /*
3927 ** Usage:   sqlite3_bind_blob ?-static? STMT N DATA BYTES
3928 **
3929 ** Test the sqlite3_bind_blob interface.  STMT is a prepared statement.
3930 ** N is the index of a wildcard in the prepared statement.  This command
3931 ** binds a BLOB to the wildcard.  The BLOB is BYTES bytes in size.
3932 */
3933 static int SQLITE_TCLAPI test_bind_blob(
3934   void * clientData,
3935   Tcl_Interp *interp,
3936   int objc,
3937   Tcl_Obj *CONST objv[]
3938 ){
3939   sqlite3_stmt *pStmt;
3940   int len, idx;
3941   int bytes;
3942   char *value;
3943   int rc;
3944   sqlite3_destructor_type xDestructor = SQLITE_TRANSIENT;
3945 
3946   if( objc!=5 && objc!=6 ){
3947     Tcl_AppendResult(interp, "wrong # args: should be \"",
3948         Tcl_GetStringFromObj(objv[0], 0), " STMT N DATA BYTES", 0);
3949     return TCL_ERROR;
3950   }
3951 
3952   if( objc==6 ){
3953     xDestructor = SQLITE_STATIC;
3954     objv++;
3955   }
3956 
3957   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
3958   if( Tcl_GetIntFromObj(interp, objv[2], &idx) ) return TCL_ERROR;
3959 
3960   value = (char*)Tcl_GetByteArrayFromObj(objv[3], &len);
3961   if( Tcl_GetIntFromObj(interp, objv[4], &bytes) ) return TCL_ERROR;
3962 
3963   if( bytes>len ){
3964     char zBuf[200];
3965     sqlite3_snprintf(sizeof(zBuf), zBuf,
3966                      "cannot use %d blob bytes, have %d", bytes, len);
3967     Tcl_AppendResult(interp, zBuf, (char*)0);
3968     return TCL_ERROR;
3969   }
3970 
3971   rc = sqlite3_bind_blob(pStmt, idx, value, bytes, xDestructor);
3972   if( sqlite3TestErrCode(interp, StmtToDb(pStmt), rc) ) return TCL_ERROR;
3973   if( rc!=SQLITE_OK ){
3974     return TCL_ERROR;
3975   }
3976 
3977   return TCL_OK;
3978 }
3979 
3980 /*
3981 ** Usage:   sqlite3_bind_value_from_preupdate STMT N NEW|OLD IDX
3982 **
3983 ** Test the sqlite3_bind_value interface using sqlite3_value objects
3984 ** obtained from either sqlite3_preupdate_new() (if arg[3]=="new") or
3985 ** sqlite3_preupdate_old() if (arg[3]=="old"). IDX is the index to
3986 ** pass to the sqlite3_preupdate_xxx() function.
3987 */
3988 static int SQLITE_TCLAPI test_bind_value_from_preupdate(
3989   void * clientData,
3990   Tcl_Interp *interp,
3991   int objc,
3992   Tcl_Obj *CONST objv[]
3993 ){
3994   sqlite3_stmt *pStmt;
3995   int idx;
3996   int bidx;
3997   const char *z3 = 0;
3998   sqlite3 *db = 0;
3999   sqlite3_value *pVal = 0;
4000 
4001   if( objc!=5 ){
4002     Tcl_WrongNumArgs(interp, 1, objv, "STMT N NEW|OLD IDX");
4003     return TCL_ERROR;
4004   }
4005 
4006   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
4007   if( Tcl_GetIntFromObj(interp, objv[2], &idx) ) return TCL_ERROR;
4008   z3 = Tcl_GetString(objv[3]);
4009   if( Tcl_GetIntFromObj(interp, objv[4], &bidx) ) return TCL_ERROR;
4010   db = sqlite3_db_handle(pStmt);
4011 
4012 #ifdef SQLITE_ENABLE_PREUPDATE_HOOK
4013   if( z3[0]=='n' ){
4014     sqlite3_preupdate_new(db, bidx, &pVal);
4015   }else if( z3[0]=='o' ){
4016     sqlite3_preupdate_old(db, bidx, &pVal);
4017   }else{
4018     Tcl_AppendResult(interp, "expected new or old, got: ", z3, (char*)0);
4019     return TCL_ERROR;
4020   }
4021   sqlite3_bind_value(pStmt, idx, pVal);
4022 #endif
4023 
4024   return TCL_OK;
4025 }
4026 
4027 /*
4028 ** Usage:   sqlite3_bind_value_from_select STMT N SELECT
4029 **
4030 ** Test the sqlite3_bind_value interface.  STMT is a prepared statement.
4031 ** N is the index of a wildcard in the prepared statement.
4032 */
4033 static int SQLITE_TCLAPI test_bind_value_from_select(
4034   void * clientData,
4035   Tcl_Interp *interp,
4036   int objc,
4037   Tcl_Obj *CONST objv[]
4038 ){
4039   sqlite3_stmt *pStmt;
4040   sqlite3_stmt *pStmt2;
4041   int idx;
4042   const char *zSql = 0;
4043   sqlite3 *db = 0;
4044   int rc = SQLITE_OK;
4045 
4046   if( objc!=4 ){
4047     Tcl_WrongNumArgs(interp, 1, objv, "STMT N SELECT");
4048     return TCL_ERROR;
4049   }
4050 
4051   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
4052   if( Tcl_GetIntFromObj(interp, objv[2], &idx) ) return TCL_ERROR;
4053   zSql = Tcl_GetString(objv[3]);
4054   db = sqlite3_db_handle(pStmt);
4055 
4056   rc = sqlite3_prepare_v2(db, zSql, -1, &pStmt2, 0);
4057   if( rc!=SQLITE_OK ){
4058     Tcl_AppendResult(interp, "error in SQL: ", sqlite3_errmsg(db), (char*)0);
4059     return TCL_ERROR;
4060   }
4061   if( sqlite3_step(pStmt2)==SQLITE_ROW ){
4062     sqlite3_value *pVal = sqlite3_column_value(pStmt2, 0);
4063     sqlite3_bind_value(pStmt, idx, pVal);
4064   }
4065   rc = sqlite3_finalize(pStmt2);
4066   if( rc!=SQLITE_OK ){
4067     Tcl_AppendResult(interp,
4068         "error runnning SQL: ", sqlite3_errmsg(db), (char*)0
4069     );
4070     return TCL_ERROR;
4071   }
4072 
4073   return TCL_OK;
4074 }
4075 
4076 
4077 #ifndef SQLITE_OMIT_VIRTUALTABLE
4078 /*
4079 ** sqlite3_carray_bind [options...] STMT NAME VALUE ...
4080 **
4081 ** Options:
4082 **    -transient
4083 **    -static
4084 **    -int32
4085 **    -int64
4086 **    -double
4087 **    -text
4088 **
4089 ** Each call clears static data.  Called with no options does nothing
4090 ** but clear static data.
4091 */
4092 static int SQLITE_TCLAPI test_carray_bind(
4093   void * clientData,
4094   Tcl_Interp *interp,
4095   int objc,
4096   Tcl_Obj *CONST objv[]
4097 ){
4098   sqlite3_stmt *pStmt;
4099   int eType = 0;   /* CARRAY_INT32 */
4100   int nData = 0;
4101   void *aData = 0;
4102   int isTransient = 0;
4103   int isStatic = 0;
4104   int idx;
4105   int i, j;
4106   int rc;
4107   void (*xDel)(void*) = sqlite3_free;
4108   static void *aStaticData = 0;
4109   static int nStaticData = 0;
4110   static int eStaticType = 0;
4111   extern int sqlite3_carray_bind(
4112     sqlite3_stmt *pStmt,
4113     int i,
4114     void *aData,
4115     int nData,
4116     int mFlags,
4117     void (*xDestroy)(void*)
4118   );
4119 
4120   if( aStaticData ){
4121     /* Always clear preexisting static data on every call */
4122     if( eStaticType==3 ){
4123       for(i=0; i<nStaticData; i++){
4124         sqlite3_free(((char**)aStaticData)[i]);
4125       }
4126     }
4127     sqlite3_free(aStaticData);
4128     aStaticData = 0;
4129     nStaticData = 0;
4130     eStaticType = 0;
4131   }
4132   if( objc==1 ) return TCL_OK;
4133 
4134   for(i=1; i<objc && Tcl_GetString(objv[i])[0]=='-'; i++){
4135     const char *z = Tcl_GetString(objv[i]);
4136     if( strcmp(z, "-transient")==0 ){
4137       isTransient = 1;
4138       xDel = SQLITE_TRANSIENT;
4139     }else
4140     if( strcmp(z, "-static")==0 ){
4141       isStatic = 1;
4142       xDel = SQLITE_STATIC;
4143     }else
4144     if( strcmp(z, "-int32")==0 ){
4145       eType = 0;  /* CARRAY_INT32 */
4146     }else
4147     if( strcmp(z, "-int64")==0 ){
4148       eType = 1;  /* CARRAY_INT64 */
4149     }else
4150     if( strcmp(z, "-double")==0 ){
4151       eType = 2;  /* CARRAY_DOUBLE */
4152     }else
4153     if( strcmp(z, "-text")==0 ){
4154       eType = 3;  /* CARRAY_TEXT */
4155     }else
4156     if( strcmp(z, "--")==0 ){
4157       break;
4158     }else
4159     {
4160       Tcl_AppendResult(interp, "unknown option: ", z, (char*)0);
4161       return TCL_ERROR;
4162     }
4163   }
4164   if( eType==3 && !isStatic && !isTransient ){
4165     Tcl_AppendResult(interp, "text data must be either -static or -transient",
4166                      (char*)0);
4167     return TCL_ERROR;
4168   }
4169   if( isStatic && isTransient ){
4170     Tcl_AppendResult(interp, "cannot be both -static and -transient",
4171                      (char*)0);
4172     return TCL_ERROR;
4173   }
4174   if( objc-i < 2 ){
4175     Tcl_WrongNumArgs(interp, 1, objv, "[OPTIONS] STMT IDX VALUE ...");
4176     return TCL_ERROR;
4177   }
4178   if( getStmtPointer(interp, Tcl_GetString(objv[i]), &pStmt) ) return TCL_ERROR;
4179   i++;
4180   if( Tcl_GetIntFromObj(interp, objv[i], &idx) ) return TCL_ERROR;
4181   i++;
4182   nData = objc - i;
4183   switch( eType + 4*(nData<=0) ){
4184     case 0: { /* INT32 */
4185       int *a = sqlite3_malloc( sizeof(int)*nData );
4186       if( a==0 ){ rc = SQLITE_NOMEM; goto carray_bind_done; }
4187       for(j=0; j<nData; j++){
4188         int v;
4189         if( Tcl_GetIntFromObj(interp, objv[i+j], &v) ){
4190           sqlite3_free(a);
4191           return TCL_ERROR;
4192         }
4193         a[j] = v;
4194       }
4195       aData = a;
4196       break;
4197     }
4198     case 1: { /* INT64 */
4199       sqlite3_int64 *a = sqlite3_malloc( sizeof(sqlite3_int64)*nData );
4200       if( a==0 ){ rc = SQLITE_NOMEM; goto carray_bind_done; }
4201       for(j=0; j<nData; j++){
4202         Tcl_WideInt v;
4203         if( Tcl_GetWideIntFromObj(interp, objv[i+j], &v) ){
4204           sqlite3_free(a);
4205           return TCL_ERROR;
4206         }
4207         a[j] = v;
4208       }
4209       aData = a;
4210       break;
4211     }
4212     case 2: { /* DOUBLE */
4213       double *a = sqlite3_malloc( sizeof(double)*nData );
4214       if( a==0 ){ rc = SQLITE_NOMEM; goto carray_bind_done; }
4215       for(j=0; j<nData; j++){
4216         double v;
4217         if( Tcl_GetDoubleFromObj(interp, objv[i+j], &v) ){
4218           sqlite3_free(a);
4219           return TCL_ERROR;
4220         }
4221         a[j] = v;
4222       }
4223       aData = a;
4224       break;
4225     }
4226     case 3: { /* TEXT */
4227       char **a = sqlite3_malloc( sizeof(char*)*nData );
4228       if( a==0 ){ rc = SQLITE_NOMEM; goto carray_bind_done; }
4229       for(j=0; j<nData; j++){
4230         const char *v = Tcl_GetString(objv[i+j]);
4231         a[j] = sqlite3_mprintf("%s", v);
4232       }
4233       aData = a;
4234       break;
4235     }
4236     case 4: { /* nData==0 */
4237       aData = "";
4238       xDel = SQLITE_STATIC;
4239       isTransient = 0;
4240       isStatic = 0;
4241       break;
4242     }
4243   }
4244   if( isStatic ){
4245     aStaticData = aData;
4246     nStaticData = nData;
4247     eStaticType = eType;
4248   }
4249   rc = sqlite3_carray_bind(pStmt, idx, aData, nData, eType, xDel);
4250   if( isTransient ){
4251     if( eType==3 ){
4252       for(i=0; i<nData; i++) sqlite3_free(((char**)aData)[i]);
4253     }
4254     sqlite3_free(aData);
4255   }
4256 carray_bind_done:
4257   if( rc ){
4258     Tcl_AppendResult(interp, sqlite3_errstr(rc), (char*)0);
4259     return TCL_ERROR;
4260   }
4261   return TCL_OK;
4262 }
4263 #endif /* SQLITE_OMIT_VIRTUALTABLE */
4264 
4265 /*
4266 ** Usage:   sqlite3_bind_parameter_count  STMT
4267 **
4268 ** Return the number of wildcards in the given statement.
4269 */
4270 static int SQLITE_TCLAPI test_bind_parameter_count(
4271   void * clientData,
4272   Tcl_Interp *interp,
4273   int objc,
4274   Tcl_Obj *CONST objv[]
4275 ){
4276   sqlite3_stmt *pStmt;
4277 
4278   if( objc!=2 ){
4279     Tcl_WrongNumArgs(interp, 1, objv, "STMT");
4280     return TCL_ERROR;
4281   }
4282   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
4283   Tcl_SetObjResult(interp, Tcl_NewIntObj(sqlite3_bind_parameter_count(pStmt)));
4284   return TCL_OK;
4285 }
4286 
4287 /*
4288 ** Usage:   sqlite3_bind_parameter_name  STMT  N
4289 **
4290 ** Return the name of the Nth wildcard.  The first wildcard is 1.
4291 ** An empty string is returned if N is out of range or if the wildcard
4292 ** is nameless.
4293 */
4294 static int SQLITE_TCLAPI test_bind_parameter_name(
4295   void * clientData,
4296   Tcl_Interp *interp,
4297   int objc,
4298   Tcl_Obj *CONST objv[]
4299 ){
4300   sqlite3_stmt *pStmt;
4301   int i;
4302 
4303   if( objc!=3 ){
4304     Tcl_WrongNumArgs(interp, 1, objv, "STMT N");
4305     return TCL_ERROR;
4306   }
4307   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
4308   if( Tcl_GetIntFromObj(interp, objv[2], &i) ) return TCL_ERROR;
4309   Tcl_SetObjResult(interp,
4310      Tcl_NewStringObj(sqlite3_bind_parameter_name(pStmt,i),-1)
4311   );
4312   return TCL_OK;
4313 }
4314 
4315 /*
4316 ** Usage:   sqlite3_bind_parameter_index  STMT  NAME
4317 **
4318 ** Return the index of the wildcard called NAME.  Return 0 if there is
4319 ** no such wildcard.
4320 */
4321 static int SQLITE_TCLAPI test_bind_parameter_index(
4322   void * clientData,
4323   Tcl_Interp *interp,
4324   int objc,
4325   Tcl_Obj *CONST objv[]
4326 ){
4327   sqlite3_stmt *pStmt;
4328 
4329   if( objc!=3 ){
4330     Tcl_WrongNumArgs(interp, 1, objv, "STMT NAME");
4331     return TCL_ERROR;
4332   }
4333   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
4334   Tcl_SetObjResult(interp,
4335      Tcl_NewIntObj(
4336        sqlite3_bind_parameter_index(pStmt,Tcl_GetString(objv[2]))
4337      )
4338   );
4339   return TCL_OK;
4340 }
4341 
4342 /*
4343 ** Usage:   sqlite3_clear_bindings STMT
4344 **
4345 */
4346 static int SQLITE_TCLAPI test_clear_bindings(
4347   void * clientData,
4348   Tcl_Interp *interp,
4349   int objc,
4350   Tcl_Obj *CONST objv[]
4351 ){
4352   sqlite3_stmt *pStmt;
4353 
4354   if( objc!=2 ){
4355     Tcl_WrongNumArgs(interp, 1, objv, "STMT");
4356     return TCL_ERROR;
4357   }
4358   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
4359   Tcl_SetObjResult(interp, Tcl_NewIntObj(sqlite3_clear_bindings(pStmt)));
4360   return TCL_OK;
4361 }
4362 
4363 /*
4364 ** Usage:   sqlite3_sleep MILLISECONDS
4365 */
4366 static int SQLITE_TCLAPI test_sleep(
4367   void * clientData,
4368   Tcl_Interp *interp,
4369   int objc,
4370   Tcl_Obj *CONST objv[]
4371 ){
4372   int ms;
4373 
4374   if( objc!=2 ){
4375     Tcl_WrongNumArgs(interp, 1, objv, "MILLISECONDS");
4376     return TCL_ERROR;
4377   }
4378   if( Tcl_GetIntFromObj(interp, objv[1], &ms) ){
4379     return TCL_ERROR;
4380   }
4381   Tcl_SetObjResult(interp, Tcl_NewIntObj(sqlite3_sleep(ms)));
4382   return TCL_OK;
4383 }
4384 
4385 /*
4386 ** Usage: sqlite3_extended_errcode DB
4387 **
4388 ** Return the string representation of the most recent sqlite3_* API
4389 ** error code. e.g. "SQLITE_ERROR".
4390 */
4391 static int SQLITE_TCLAPI test_ex_errcode(
4392   void * clientData,
4393   Tcl_Interp *interp,
4394   int objc,
4395   Tcl_Obj *CONST objv[]
4396 ){
4397   sqlite3 *db;
4398   int rc;
4399 
4400   if( objc!=2 ){
4401     Tcl_AppendResult(interp, "wrong # args: should be \"",
4402        Tcl_GetString(objv[0]), " DB", 0);
4403     return TCL_ERROR;
4404   }
4405   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
4406   rc = sqlite3_extended_errcode(db);
4407   Tcl_AppendResult(interp, (char *)t1ErrorName(rc), 0);
4408   return TCL_OK;
4409 }
4410 
4411 
4412 /*
4413 ** Usage: sqlite3_errcode DB
4414 **
4415 ** Return the string representation of the most recent sqlite3_* API
4416 ** error code. e.g. "SQLITE_ERROR".
4417 */
4418 static int SQLITE_TCLAPI test_errcode(
4419   void * clientData,
4420   Tcl_Interp *interp,
4421   int objc,
4422   Tcl_Obj *CONST objv[]
4423 ){
4424   sqlite3 *db;
4425   int rc;
4426 
4427   if( objc!=2 ){
4428     Tcl_AppendResult(interp, "wrong # args: should be \"",
4429        Tcl_GetString(objv[0]), " DB", 0);
4430     return TCL_ERROR;
4431   }
4432   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
4433   rc = sqlite3_errcode(db);
4434   Tcl_AppendResult(interp, (char *)t1ErrorName(rc), 0);
4435   return TCL_OK;
4436 }
4437 
4438 /*
4439 ** Usage:   sqlite3_errmsg DB
4440 **
4441 ** Returns the UTF-8 representation of the error message string for the
4442 ** most recent sqlite3_* API call.
4443 */
4444 static int SQLITE_TCLAPI test_errmsg(
4445   void * clientData,
4446   Tcl_Interp *interp,
4447   int objc,
4448   Tcl_Obj *CONST objv[]
4449 ){
4450   sqlite3 *db;
4451   const char *zErr;
4452 
4453   if( objc!=2 ){
4454     Tcl_AppendResult(interp, "wrong # args: should be \"",
4455        Tcl_GetString(objv[0]), " DB", 0);
4456     return TCL_ERROR;
4457   }
4458   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
4459 
4460   zErr = sqlite3_errmsg(db);
4461   Tcl_SetObjResult(interp, Tcl_NewStringObj(zErr, -1));
4462   return TCL_OK;
4463 }
4464 
4465 
4466 /*
4467 ** Usage:   sqlite3_error_offset DB
4468 **
4469 ** Return the byte offset into the input UTF8 SQL for the most recent
4470 ** error, or -1 of the error does not refer to a specific token.
4471 */
4472 static int SQLITE_TCLAPI test_error_offset(
4473   void * clientData,
4474   Tcl_Interp *interp,
4475   int objc,
4476   Tcl_Obj *CONST objv[]
4477 ){
4478   sqlite3 *db;
4479   int iByteOffset;
4480 
4481   if( objc!=2 ){
4482     Tcl_AppendResult(interp, "wrong # args: should be \"",
4483        Tcl_GetString(objv[0]), " DB", 0);
4484     return TCL_ERROR;
4485   }
4486   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
4487 
4488   iByteOffset = sqlite3_error_offset(db);
4489   Tcl_SetObjResult(interp, Tcl_NewIntObj(iByteOffset));
4490   return TCL_OK;
4491 }
4492 
4493 /*
4494 ** Usage:   test_errmsg16 DB
4495 **
4496 ** Returns the UTF-16 representation of the error message string for the
4497 ** most recent sqlite3_* API call. This is a byte array object at the TCL
4498 ** level, and it includes the 0x00 0x00 terminator bytes at the end of the
4499 ** UTF-16 string.
4500 */
4501 static int SQLITE_TCLAPI test_errmsg16(
4502   void * clientData,
4503   Tcl_Interp *interp,
4504   int objc,
4505   Tcl_Obj *CONST objv[]
4506 ){
4507 #ifndef SQLITE_OMIT_UTF16
4508   sqlite3 *db;
4509   const void *zErr;
4510   const char *z;
4511   int bytes = 0;
4512 
4513   if( objc!=2 ){
4514     Tcl_AppendResult(interp, "wrong # args: should be \"",
4515        Tcl_GetString(objv[0]), " DB", 0);
4516     return TCL_ERROR;
4517   }
4518   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
4519 
4520   zErr = sqlite3_errmsg16(db);
4521   if( zErr ){
4522     z = zErr;
4523     for(bytes=0; z[bytes] || z[bytes+1]; bytes+=2){}
4524   }
4525   Tcl_SetObjResult(interp, Tcl_NewByteArrayObj(zErr, bytes));
4526 #endif /* SQLITE_OMIT_UTF16 */
4527   return TCL_OK;
4528 }
4529 
4530 /*
4531 ** Usage: sqlite3_prepare DB sql bytes ?tailvar?
4532 **
4533 ** Compile up to <bytes> bytes of the supplied SQL string <sql> using
4534 ** database handle <DB>. The parameter <tailval> is the name of a global
4535 ** variable that is set to the unused portion of <sql> (if any). A
4536 ** STMT handle is returned.
4537 */
4538 static int SQLITE_TCLAPI test_prepare(
4539   void * clientData,
4540   Tcl_Interp *interp,
4541   int objc,
4542   Tcl_Obj *CONST objv[]
4543 ){
4544   sqlite3 *db;
4545   const char *zSql;
4546   int bytes;
4547   const char *zTail = 0;
4548   sqlite3_stmt *pStmt = 0;
4549   char zBuf[50];
4550   int rc;
4551 
4552   if( objc!=5 && objc!=4 ){
4553     Tcl_AppendResult(interp, "wrong # args: should be \"",
4554        Tcl_GetString(objv[0]), " DB sql bytes ?tailvar?", 0);
4555     return TCL_ERROR;
4556   }
4557   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
4558   zSql = Tcl_GetString(objv[2]);
4559   if( Tcl_GetIntFromObj(interp, objv[3], &bytes) ) return TCL_ERROR;
4560 
4561   rc = sqlite3_prepare(db, zSql, bytes, &pStmt, objc>=5 ? &zTail : 0);
4562   Tcl_ResetResult(interp);
4563   if( sqlite3TestErrCode(interp, db, rc) ) return TCL_ERROR;
4564   if( zTail && objc>=5 ){
4565     if( bytes>=0 ){
4566       bytes = bytes - (int)(zTail-zSql);
4567     }
4568     if( (int)strlen(zTail)<bytes ){
4569       bytes = (int)strlen(zTail);
4570     }
4571     Tcl_ObjSetVar2(interp, objv[4], 0, Tcl_NewStringObj(zTail, bytes), 0);
4572   }
4573   if( rc!=SQLITE_OK ){
4574     assert( pStmt==0 );
4575     sqlite3_snprintf(sizeof(zBuf), zBuf, "(%d) ", rc);
4576     Tcl_AppendResult(interp, zBuf, sqlite3_errmsg(db), 0);
4577     return TCL_ERROR;
4578   }
4579 
4580   if( pStmt ){
4581     if( sqlite3TestMakePointerStr(interp, zBuf, pStmt) ) return TCL_ERROR;
4582     Tcl_AppendResult(interp, zBuf, 0);
4583   }
4584   return TCL_OK;
4585 }
4586 
4587 /*
4588 ** Usage: sqlite3_prepare_v2 DB sql bytes ?tailvar?
4589 **
4590 ** Compile up to <bytes> bytes of the supplied SQL string <sql> using
4591 ** database handle <DB>. The parameter <tailval> is the name of a global
4592 ** variable that is set to the unused portion of <sql> (if any). A
4593 ** STMT handle is returned.
4594 */
4595 static int SQLITE_TCLAPI test_prepare_v2(
4596   void * clientData,
4597   Tcl_Interp *interp,
4598   int objc,
4599   Tcl_Obj *CONST objv[]
4600 ){
4601   sqlite3 *db;
4602   const char *zSql;
4603   char *zCopy = 0;                /* malloc() copy of zSql */
4604   int bytes;
4605   const char *zTail = 0;
4606   const char **pzTail;
4607   sqlite3_stmt *pStmt = 0;
4608   char zBuf[50];
4609   int rc;
4610 
4611   if( objc!=5 && objc!=4 ){
4612     Tcl_AppendResult(interp, "wrong # args: should be \"",
4613        Tcl_GetString(objv[0]), " DB sql bytes tailvar", 0);
4614     return TCL_ERROR;
4615   }
4616   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
4617   zSql = Tcl_GetString(objv[2]);
4618   if( Tcl_GetIntFromObj(interp, objv[3], &bytes) ) return TCL_ERROR;
4619 
4620   /* Instead of using zSql directly, make a copy into a buffer obtained
4621   ** directly from malloc(). The idea is to make it easier for valgrind
4622   ** to spot buffer overreads.  */
4623   if( bytes>=0 ){
4624     zCopy = malloc(bytes);
4625     memcpy(zCopy, zSql, bytes);
4626   }else{
4627     int n = (int)strlen(zSql) + 1;
4628     zCopy = malloc(n);
4629     memcpy(zCopy, zSql, n);
4630   }
4631   pzTail = objc>=5 ? &zTail : 0;
4632   rc = sqlite3_prepare_v2(db, zCopy, bytes, &pStmt, pzTail);
4633   if( objc>=5 ){
4634     zTail = &zSql[(zTail - zCopy)];
4635   }
4636   free(zCopy);
4637 
4638   assert(rc==SQLITE_OK || pStmt==0);
4639   Tcl_ResetResult(interp);
4640   if( sqlite3TestErrCode(interp, db, rc) ) return TCL_ERROR;
4641   if( rc==SQLITE_OK && objc>=5 && zTail ){
4642     if( bytes>=0 ){
4643       bytes = bytes - (int)(zTail-zSql);
4644     }
4645     Tcl_ObjSetVar2(interp, objv[4], 0, Tcl_NewStringObj(zTail, bytes), 0);
4646   }
4647   if( rc!=SQLITE_OK ){
4648     assert( pStmt==0 );
4649     sqlite3_snprintf(sizeof(zBuf), zBuf, "(%d) ", rc);
4650     Tcl_AppendResult(interp, zBuf, sqlite3_errmsg(db), 0);
4651     return TCL_ERROR;
4652   }
4653 
4654   if( pStmt ){
4655     if( sqlite3TestMakePointerStr(interp, zBuf, pStmt) ) return TCL_ERROR;
4656     Tcl_AppendResult(interp, zBuf, 0);
4657   }
4658   return TCL_OK;
4659 }
4660 
4661 /*
4662 ** Usage: sqlite3_prepare_v3 DB sql bytes flags ?tailvar?
4663 **
4664 ** Compile up to <bytes> bytes of the supplied SQL string <sql> using
4665 ** database handle <DB> and flags <flags>. The parameter <tailval> is
4666 ** the name of a global variable that is set to the unused portion of
4667 ** <sql> (if any). A STMT handle is returned.
4668 */
4669 static int SQLITE_TCLAPI test_prepare_v3(
4670   void * clientData,
4671   Tcl_Interp *interp,
4672   int objc,
4673   Tcl_Obj *CONST objv[]
4674 ){
4675   sqlite3 *db;
4676   const char *zSql;
4677   char *zCopy = 0;                /* malloc() copy of zSql */
4678   int bytes, flags;
4679   const char *zTail = 0;
4680   const char **pzTail;
4681   sqlite3_stmt *pStmt = 0;
4682   char zBuf[50];
4683   int rc;
4684 
4685   if( objc!=6 && objc!=5 ){
4686     Tcl_AppendResult(interp, "wrong # args: should be \"",
4687        Tcl_GetString(objv[0]), " DB sql bytes flags tailvar", 0);
4688     return TCL_ERROR;
4689   }
4690   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
4691   zSql = Tcl_GetString(objv[2]);
4692   if( Tcl_GetIntFromObj(interp, objv[3], &bytes) ) return TCL_ERROR;
4693   if( Tcl_GetIntFromObj(interp, objv[4], &flags) ) return TCL_ERROR;
4694 
4695   /* Instead of using zSql directly, make a copy into a buffer obtained
4696   ** directly from malloc(). The idea is to make it easier for valgrind
4697   ** to spot buffer overreads.  */
4698   if( bytes>=0 ){
4699     zCopy = malloc(bytes);
4700     memcpy(zCopy, zSql, bytes);
4701   }else{
4702     int n = (int)strlen(zSql) + 1;
4703     zCopy = malloc(n);
4704     memcpy(zCopy, zSql, n);
4705   }
4706   pzTail = objc>=6 ? &zTail : 0;
4707   rc = sqlite3_prepare_v3(db, zCopy, bytes, (unsigned int)flags,&pStmt,pzTail);
4708   free(zCopy);
4709   zTail = &zSql[(zTail - zCopy)];
4710 
4711   assert(rc==SQLITE_OK || pStmt==0);
4712   Tcl_ResetResult(interp);
4713   if( sqlite3TestErrCode(interp, db, rc) ) return TCL_ERROR;
4714   if( rc==SQLITE_OK && zTail && objc>=6 ){
4715     if( bytes>=0 ){
4716       bytes = bytes - (int)(zTail-zSql);
4717     }
4718     Tcl_ObjSetVar2(interp, objv[5], 0, Tcl_NewStringObj(zTail, bytes), 0);
4719   }
4720   if( rc!=SQLITE_OK ){
4721     assert( pStmt==0 );
4722     sqlite3_snprintf(sizeof(zBuf), zBuf, "(%d) ", rc);
4723     Tcl_AppendResult(interp, zBuf, sqlite3_errmsg(db), 0);
4724     return TCL_ERROR;
4725   }
4726 
4727   if( pStmt ){
4728     if( sqlite3TestMakePointerStr(interp, zBuf, pStmt) ) return TCL_ERROR;
4729     Tcl_AppendResult(interp, zBuf, 0);
4730   }
4731   return TCL_OK;
4732 }
4733 
4734 /*
4735 ** Usage: sqlite3_prepare_tkt3134 DB
4736 **
4737 ** Generate a prepared statement for a zero-byte string as a test
4738 ** for ticket #3134.  The string should be preceded by a zero byte.
4739 */
4740 static int SQLITE_TCLAPI test_prepare_tkt3134(
4741   void * clientData,
4742   Tcl_Interp *interp,
4743   int objc,
4744   Tcl_Obj *CONST objv[]
4745 ){
4746   sqlite3 *db;
4747   static const char zSql[] = "\000SELECT 1";
4748   sqlite3_stmt *pStmt = 0;
4749   char zBuf[50];
4750   int rc;
4751 
4752   if( objc!=2 ){
4753     Tcl_AppendResult(interp, "wrong # args: should be \"",
4754        Tcl_GetString(objv[0]), " DB sql bytes tailvar", 0);
4755     return TCL_ERROR;
4756   }
4757   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
4758   rc = sqlite3_prepare_v2(db, &zSql[1], 0, &pStmt, 0);
4759   assert(rc==SQLITE_OK || pStmt==0);
4760   if( sqlite3TestErrCode(interp, db, rc) ) return TCL_ERROR;
4761   if( rc!=SQLITE_OK ){
4762     assert( pStmt==0 );
4763     sqlite3_snprintf(sizeof(zBuf), zBuf, "(%d) ", rc);
4764     Tcl_AppendResult(interp, zBuf, sqlite3_errmsg(db), 0);
4765     return TCL_ERROR;
4766   }
4767 
4768   if( pStmt ){
4769     if( sqlite3TestMakePointerStr(interp, zBuf, pStmt) ) return TCL_ERROR;
4770     Tcl_AppendResult(interp, zBuf, 0);
4771   }
4772   return TCL_OK;
4773 }
4774 
4775 /*
4776 ** Usage: sqlite3_prepare16 DB sql bytes tailvar
4777 **
4778 ** Compile up to <bytes> bytes of the supplied SQL string <sql> using
4779 ** database handle <DB>. The parameter <tailval> is the name of a global
4780 ** variable that is set to the unused portion of <sql> (if any). A
4781 ** STMT handle is returned.
4782 */
4783 static int SQLITE_TCLAPI test_prepare16(
4784   void * clientData,
4785   Tcl_Interp *interp,
4786   int objc,
4787   Tcl_Obj *CONST objv[]
4788 ){
4789 #ifndef SQLITE_OMIT_UTF16
4790   sqlite3 *db;
4791   const void *zSql;
4792   const void *zTail = 0;
4793   Tcl_Obj *pTail = 0;
4794   sqlite3_stmt *pStmt = 0;
4795   char zBuf[50];
4796   int rc;
4797   int bytes;                /* The integer specified as arg 3 */
4798   int objlen;               /* The byte-array length of arg 2 */
4799 
4800   if( objc!=5 && objc!=4 ){
4801     Tcl_AppendResult(interp, "wrong # args: should be \"",
4802        Tcl_GetString(objv[0]), " DB sql bytes ?tailvar?", 0);
4803     return TCL_ERROR;
4804   }
4805   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
4806   zSql = Tcl_GetByteArrayFromObj(objv[2], &objlen);
4807   if( Tcl_GetIntFromObj(interp, objv[3], &bytes) ) return TCL_ERROR;
4808 
4809   rc = sqlite3_prepare16(db, zSql, bytes, &pStmt, objc>=5 ? &zTail : 0);
4810   if( sqlite3TestErrCode(interp, db, rc) ) return TCL_ERROR;
4811   if( rc ){
4812     return TCL_ERROR;
4813   }
4814 
4815   if( objc>=5 ){
4816     if( zTail ){
4817       objlen = objlen - (int)((u8 *)zTail-(u8 *)zSql);
4818     }else{
4819       objlen = 0;
4820     }
4821     pTail = Tcl_NewByteArrayObj((u8 *)zTail, objlen);
4822     Tcl_IncrRefCount(pTail);
4823     Tcl_ObjSetVar2(interp, objv[4], 0, pTail, 0);
4824     Tcl_DecrRefCount(pTail);
4825   }
4826 
4827   if( pStmt ){
4828     if( sqlite3TestMakePointerStr(interp, zBuf, pStmt) ) return TCL_ERROR;
4829   }
4830   Tcl_AppendResult(interp, zBuf, 0);
4831 #endif /* SQLITE_OMIT_UTF16 */
4832   return TCL_OK;
4833 }
4834 
4835 /*
4836 ** Usage: sqlite3_prepare16_v2 DB sql bytes ?tailvar?
4837 **
4838 ** Compile up to <bytes> bytes of the supplied SQL string <sql> using
4839 ** database handle <DB>. The parameter <tailval> is the name of a global
4840 ** variable that is set to the unused portion of <sql> (if any). A
4841 ** STMT handle is returned.
4842 */
4843 static int SQLITE_TCLAPI test_prepare16_v2(
4844   void * clientData,
4845   Tcl_Interp *interp,
4846   int objc,
4847   Tcl_Obj *CONST objv[]
4848 ){
4849 #ifndef SQLITE_OMIT_UTF16
4850   sqlite3 *db;
4851   const void *zSql;
4852   const void *zTail = 0;
4853   Tcl_Obj *pTail = 0;
4854   sqlite3_stmt *pStmt = 0;
4855   char zBuf[50];
4856   int rc;
4857   int bytes;                /* The integer specified as arg 3 */
4858   int objlen;               /* The byte-array length of arg 2 */
4859 
4860   if( objc!=5 && objc!=4 ){
4861     Tcl_AppendResult(interp, "wrong # args: should be \"",
4862        Tcl_GetString(objv[0]), " DB sql bytes ?tailvar?", 0);
4863     return TCL_ERROR;
4864   }
4865   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
4866   zSql = Tcl_GetByteArrayFromObj(objv[2], &objlen);
4867   if( Tcl_GetIntFromObj(interp, objv[3], &bytes) ) return TCL_ERROR;
4868 
4869   rc = sqlite3_prepare16_v2(db, zSql, bytes, &pStmt, objc>=5 ? &zTail : 0);
4870   if( sqlite3TestErrCode(interp, db, rc) ) return TCL_ERROR;
4871   if( rc ){
4872     return TCL_ERROR;
4873   }
4874 
4875   if( objc>=5 ){
4876     if( zTail ){
4877       objlen = objlen - (int)((u8 *)zTail-(u8 *)zSql);
4878     }else{
4879       objlen = 0;
4880     }
4881     pTail = Tcl_NewByteArrayObj((u8 *)zTail, objlen);
4882     Tcl_IncrRefCount(pTail);
4883     Tcl_ObjSetVar2(interp, objv[4], 0, pTail, 0);
4884     Tcl_DecrRefCount(pTail);
4885   }
4886 
4887   if( pStmt ){
4888     if( sqlite3TestMakePointerStr(interp, zBuf, pStmt) ) return TCL_ERROR;
4889   }
4890   Tcl_AppendResult(interp, zBuf, 0);
4891 #endif /* SQLITE_OMIT_UTF16 */
4892   return TCL_OK;
4893 }
4894 
4895 /*
4896 ** Usage: sqlite3_open filename ?options-list?
4897 */
4898 static int SQLITE_TCLAPI test_open(
4899   void * clientData,
4900   Tcl_Interp *interp,
4901   int objc,
4902   Tcl_Obj *CONST objv[]
4903 ){
4904   const char *zFilename;
4905   sqlite3 *db;
4906   char zBuf[100];
4907 
4908   if( objc!=3 && objc!=2 && objc!=1 ){
4909     Tcl_AppendResult(interp, "wrong # args: should be \"",
4910        Tcl_GetString(objv[0]), " filename options-list", 0);
4911     return TCL_ERROR;
4912   }
4913 
4914   zFilename = objc>1 ? Tcl_GetString(objv[1]) : 0;
4915   sqlite3_open(zFilename, &db);
4916 
4917   if( sqlite3TestMakePointerStr(interp, zBuf, db) ) return TCL_ERROR;
4918   Tcl_AppendResult(interp, zBuf, 0);
4919   return TCL_OK;
4920 }
4921 
4922 /*
4923 ** Usage: sqlite3_open_v2 FILENAME FLAGS VFS
4924 */
4925 static int SQLITE_TCLAPI test_open_v2(
4926   void * clientData,
4927   Tcl_Interp *interp,
4928   int objc,
4929   Tcl_Obj *CONST objv[]
4930 ){
4931   const char *zFilename;
4932   const char *zVfs;
4933   int flags = 0;
4934   sqlite3 *db;
4935   int rc;
4936   char zBuf[100];
4937 
4938   int nFlag;
4939   Tcl_Obj **apFlag;
4940   int i;
4941 
4942   if( objc!=4 ){
4943     Tcl_WrongNumArgs(interp, 1, objv, "FILENAME FLAGS VFS");
4944     return TCL_ERROR;
4945   }
4946   zFilename = Tcl_GetString(objv[1]);
4947   zVfs = Tcl_GetString(objv[3]);
4948   if( zVfs[0]==0x00 ) zVfs = 0;
4949 
4950   rc = Tcl_ListObjGetElements(interp, objv[2], &nFlag, &apFlag);
4951   if( rc!=TCL_OK ) return rc;
4952   for(i=0; i<nFlag; i++){
4953     int iFlag;
4954     struct OpenFlag {
4955       const char *zFlag;
4956       int flag;
4957     } aFlag[] = {
4958       { "SQLITE_OPEN_READONLY", SQLITE_OPEN_READONLY },
4959       { "SQLITE_OPEN_READWRITE", SQLITE_OPEN_READWRITE },
4960       { "SQLITE_OPEN_CREATE", SQLITE_OPEN_CREATE },
4961       { "SQLITE_OPEN_DELETEONCLOSE", SQLITE_OPEN_DELETEONCLOSE },
4962       { "SQLITE_OPEN_EXCLUSIVE", SQLITE_OPEN_EXCLUSIVE },
4963       { "SQLITE_OPEN_AUTOPROXY", SQLITE_OPEN_AUTOPROXY },
4964       { "SQLITE_OPEN_MAIN_DB", SQLITE_OPEN_MAIN_DB },
4965       { "SQLITE_OPEN_TEMP_DB", SQLITE_OPEN_TEMP_DB },
4966       { "SQLITE_OPEN_TRANSIENT_DB", SQLITE_OPEN_TRANSIENT_DB },
4967       { "SQLITE_OPEN_MAIN_JOURNAL", SQLITE_OPEN_MAIN_JOURNAL },
4968       { "SQLITE_OPEN_TEMP_JOURNAL", SQLITE_OPEN_TEMP_JOURNAL },
4969       { "SQLITE_OPEN_SUBJOURNAL", SQLITE_OPEN_SUBJOURNAL },
4970       { "SQLITE_OPEN_SUPER_JOURNAL", SQLITE_OPEN_SUPER_JOURNAL },
4971       { "SQLITE_OPEN_NOMUTEX", SQLITE_OPEN_NOMUTEX },
4972       { "SQLITE_OPEN_FULLMUTEX", SQLITE_OPEN_FULLMUTEX },
4973       { "SQLITE_OPEN_SHAREDCACHE", SQLITE_OPEN_SHAREDCACHE },
4974       { "SQLITE_OPEN_PRIVATECACHE", SQLITE_OPEN_PRIVATECACHE },
4975       { "SQLITE_OPEN_WAL", SQLITE_OPEN_WAL },
4976       { "SQLITE_OPEN_URI", SQLITE_OPEN_URI },
4977       { "SQLITE_OPEN_EXRESCODE", SQLITE_OPEN_EXRESCODE },
4978       { 0, 0 }
4979     };
4980     rc = Tcl_GetIndexFromObjStruct(interp, apFlag[i], aFlag, sizeof(aFlag[0]),
4981         "flag", 0, &iFlag
4982     );
4983     if( rc!=TCL_OK ) return rc;
4984     flags |= aFlag[iFlag].flag;
4985   }
4986 
4987   rc = sqlite3_open_v2(zFilename, &db, flags, zVfs);
4988   if( sqlite3TestMakePointerStr(interp, zBuf, db) ) return TCL_ERROR;
4989   Tcl_AppendResult(interp, zBuf, 0);
4990   return TCL_OK;
4991 }
4992 
4993 /*
4994 ** Usage: sqlite3_open16 filename options
4995 */
4996 static int SQLITE_TCLAPI test_open16(
4997   void * clientData,
4998   Tcl_Interp *interp,
4999   int objc,
5000   Tcl_Obj *CONST objv[]
5001 ){
5002 #ifndef SQLITE_OMIT_UTF16
5003   const void *zFilename;
5004   sqlite3 *db;
5005   char zBuf[100];
5006 
5007   if( objc!=3 ){
5008     Tcl_AppendResult(interp, "wrong # args: should be \"",
5009        Tcl_GetString(objv[0]), " filename options-list", 0);
5010     return TCL_ERROR;
5011   }
5012 
5013   zFilename = Tcl_GetByteArrayFromObj(objv[1], 0);
5014   sqlite3_open16(zFilename, &db);
5015 
5016   if( sqlite3TestMakePointerStr(interp, zBuf, db) ) return TCL_ERROR;
5017   Tcl_AppendResult(interp, zBuf, 0);
5018 #endif /* SQLITE_OMIT_UTF16 */
5019   return TCL_OK;
5020 }
5021 
5022 /*
5023 ** Usage: sqlite3_complete16 <UTF-16 string>
5024 **
5025 ** Return 1 if the supplied argument is a complete SQL statement, or zero
5026 ** otherwise.
5027 */
5028 static int SQLITE_TCLAPI test_complete16(
5029   void * clientData,
5030   Tcl_Interp *interp,
5031   int objc,
5032   Tcl_Obj *CONST objv[]
5033 ){
5034 #if !defined(SQLITE_OMIT_COMPLETE) && !defined(SQLITE_OMIT_UTF16)
5035   char *zBuf;
5036 
5037   if( objc!=2 ){
5038     Tcl_WrongNumArgs(interp, 1, objv, "<utf-16 sql>");
5039     return TCL_ERROR;
5040   }
5041 
5042   zBuf = (char*)Tcl_GetByteArrayFromObj(objv[1], 0);
5043   Tcl_SetObjResult(interp, Tcl_NewIntObj(sqlite3_complete16(zBuf)));
5044 #endif /* SQLITE_OMIT_COMPLETE && SQLITE_OMIT_UTF16 */
5045   return TCL_OK;
5046 }
5047 
5048 /*
5049 ** Usage: sqlite3_normalize SQL
5050 **
5051 ** Return the normalized value for an SQL statement.
5052 */
5053 static int SQLITE_TCLAPI test_normalize(
5054   void * clientData,
5055   Tcl_Interp *interp,
5056   int objc,
5057   Tcl_Obj *CONST objv[]
5058 ){
5059   char *zSql;
5060   char *zNorm;
5061   extern char *sqlite3_normalize(const char*);
5062 
5063   if( objc!=2 ){
5064     Tcl_WrongNumArgs(interp, 1, objv, "SQL");
5065     return TCL_ERROR;
5066   }
5067 
5068   zSql = (char*)Tcl_GetString(objv[1]);
5069   zNorm = sqlite3_normalize(zSql);
5070   if( zNorm ){
5071     Tcl_SetObjResult(interp, Tcl_NewStringObj(zNorm, -1));
5072     sqlite3_free(zNorm);
5073   }
5074   return TCL_OK;
5075 }
5076 
5077 /*
5078 ** Usage: sqlite3_step STMT
5079 **
5080 ** Advance the statement to the next row.
5081 */
5082 static int SQLITE_TCLAPI test_step(
5083   void * clientData,
5084   Tcl_Interp *interp,
5085   int objc,
5086   Tcl_Obj *CONST objv[]
5087 ){
5088   sqlite3_stmt *pStmt;
5089   int rc;
5090 
5091   if( objc!=2 ){
5092     Tcl_AppendResult(interp, "wrong # args: should be \"",
5093        Tcl_GetString(objv[0]), " STMT", 0);
5094     return TCL_ERROR;
5095   }
5096 
5097   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
5098   rc = sqlite3_step(pStmt);
5099 
5100   /* if( rc!=SQLITE_DONE && rc!=SQLITE_ROW ) return TCL_ERROR; */
5101   Tcl_SetResult(interp, (char *)t1ErrorName(rc), 0);
5102   return TCL_OK;
5103 }
5104 
5105 static int SQLITE_TCLAPI test_sql(
5106   void * clientData,
5107   Tcl_Interp *interp,
5108   int objc,
5109   Tcl_Obj *CONST objv[]
5110 ){
5111   sqlite3_stmt *pStmt;
5112 
5113   if( objc!=2 ){
5114     Tcl_WrongNumArgs(interp, 1, objv, "STMT");
5115     return TCL_ERROR;
5116   }
5117 
5118   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
5119   Tcl_SetResult(interp, (char *)sqlite3_sql(pStmt), TCL_VOLATILE);
5120   return TCL_OK;
5121 }
5122 static int SQLITE_TCLAPI test_ex_sql(
5123   void * clientData,
5124   Tcl_Interp *interp,
5125   int objc,
5126   Tcl_Obj *CONST objv[]
5127 ){
5128   sqlite3_stmt *pStmt;
5129   char *z;
5130 
5131   if( objc!=2 ){
5132     Tcl_WrongNumArgs(interp, 1, objv, "STMT");
5133     return TCL_ERROR;
5134   }
5135 
5136   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
5137   z = sqlite3_expanded_sql(pStmt);
5138   Tcl_SetResult(interp, z, TCL_VOLATILE);
5139   sqlite3_free(z);
5140   return TCL_OK;
5141 }
5142 #ifdef SQLITE_ENABLE_NORMALIZE
5143 static int SQLITE_TCLAPI test_norm_sql(
5144   void * clientData,
5145   Tcl_Interp *interp,
5146   int objc,
5147   Tcl_Obj *CONST objv[]
5148 ){
5149   sqlite3_stmt *pStmt;
5150 
5151   if( objc!=2 ){
5152     Tcl_WrongNumArgs(interp, 1, objv, "STMT");
5153     return TCL_ERROR;
5154   }
5155 
5156   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
5157   Tcl_SetResult(interp, (char *)sqlite3_normalized_sql(pStmt), TCL_VOLATILE);
5158   return TCL_OK;
5159 }
5160 #endif /* SQLITE_ENABLE_NORMALIZE */
5161 
5162 /*
5163 ** Usage: sqlite3_column_count STMT
5164 **
5165 ** Return the number of columns returned by the sql statement STMT.
5166 */
5167 static int SQLITE_TCLAPI test_column_count(
5168   void * clientData,
5169   Tcl_Interp *interp,
5170   int objc,
5171   Tcl_Obj *CONST objv[]
5172 ){
5173   sqlite3_stmt *pStmt;
5174 
5175   if( objc!=2 ){
5176     Tcl_AppendResult(interp, "wrong # args: should be \"",
5177        Tcl_GetString(objv[0]), " STMT column", 0);
5178     return TCL_ERROR;
5179   }
5180 
5181   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
5182 
5183   Tcl_SetObjResult(interp, Tcl_NewIntObj(sqlite3_column_count(pStmt)));
5184   return TCL_OK;
5185 }
5186 
5187 /*
5188 ** Usage: sqlite3_column_type STMT column
5189 **
5190 ** Return the type of the data in column 'column' of the current row.
5191 */
5192 static int SQLITE_TCLAPI test_column_type(
5193   void * clientData,
5194   Tcl_Interp *interp,
5195   int objc,
5196   Tcl_Obj *CONST objv[]
5197 ){
5198   sqlite3_stmt *pStmt;
5199   int col;
5200   int tp;
5201 
5202   if( objc!=3 ){
5203     Tcl_AppendResult(interp, "wrong # args: should be \"",
5204        Tcl_GetString(objv[0]), " STMT column", 0);
5205     return TCL_ERROR;
5206   }
5207 
5208   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
5209   if( Tcl_GetIntFromObj(interp, objv[2], &col) ) return TCL_ERROR;
5210 
5211   tp = sqlite3_column_type(pStmt, col);
5212   switch( tp ){
5213     case SQLITE_INTEGER:
5214       Tcl_SetResult(interp, "INTEGER", TCL_STATIC);
5215       break;
5216     case SQLITE_NULL:
5217       Tcl_SetResult(interp, "NULL", TCL_STATIC);
5218       break;
5219     case SQLITE_FLOAT:
5220       Tcl_SetResult(interp, "FLOAT", TCL_STATIC);
5221       break;
5222     case SQLITE_TEXT:
5223       Tcl_SetResult(interp, "TEXT", TCL_STATIC);
5224       break;
5225     case SQLITE_BLOB:
5226       Tcl_SetResult(interp, "BLOB", TCL_STATIC);
5227       break;
5228     default:
5229       assert(0);
5230   }
5231 
5232   return TCL_OK;
5233 }
5234 
5235 /*
5236 ** Usage: sqlite3_column_int64 STMT column
5237 **
5238 ** Return the data in column 'column' of the current row cast as an
5239 ** wide (64-bit) integer.
5240 */
5241 static int SQLITE_TCLAPI test_column_int64(
5242   void * clientData,
5243   Tcl_Interp *interp,
5244   int objc,
5245   Tcl_Obj *CONST objv[]
5246 ){
5247   sqlite3_stmt *pStmt;
5248   int col;
5249   i64 iVal;
5250 
5251   if( objc!=3 ){
5252     Tcl_AppendResult(interp, "wrong # args: should be \"",
5253        Tcl_GetString(objv[0]), " STMT column", 0);
5254     return TCL_ERROR;
5255   }
5256 
5257   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
5258   if( Tcl_GetIntFromObj(interp, objv[2], &col) ) return TCL_ERROR;
5259 
5260   iVal = sqlite3_column_int64(pStmt, col);
5261   Tcl_SetObjResult(interp, Tcl_NewWideIntObj(iVal));
5262   return TCL_OK;
5263 }
5264 
5265 /*
5266 ** Usage: sqlite3_column_blob STMT column
5267 */
5268 static int SQLITE_TCLAPI test_column_blob(
5269   void * clientData,
5270   Tcl_Interp *interp,
5271   int objc,
5272   Tcl_Obj *CONST objv[]
5273 ){
5274   sqlite3_stmt *pStmt;
5275   int col;
5276 
5277   int len;
5278   const void *pBlob;
5279 
5280   if( objc!=3 ){
5281     Tcl_AppendResult(interp, "wrong # args: should be \"",
5282        Tcl_GetString(objv[0]), " STMT column", 0);
5283     return TCL_ERROR;
5284   }
5285 
5286   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
5287   if( Tcl_GetIntFromObj(interp, objv[2], &col) ) return TCL_ERROR;
5288 
5289   len = sqlite3_column_bytes(pStmt, col);
5290   pBlob = sqlite3_column_blob(pStmt, col);
5291   Tcl_SetObjResult(interp, Tcl_NewByteArrayObj(pBlob, len));
5292   return TCL_OK;
5293 }
5294 
5295 /*
5296 ** Usage: sqlite3_column_double STMT column
5297 **
5298 ** Return the data in column 'column' of the current row cast as a double.
5299 */
5300 static int SQLITE_TCLAPI test_column_double(
5301   void * clientData,
5302   Tcl_Interp *interp,
5303   int objc,
5304   Tcl_Obj *CONST objv[]
5305 ){
5306   sqlite3_stmt *pStmt;
5307   int col;
5308   double rVal;
5309 
5310   if( objc!=3 ){
5311     Tcl_AppendResult(interp, "wrong # args: should be \"",
5312        Tcl_GetString(objv[0]), " STMT column", 0);
5313     return TCL_ERROR;
5314   }
5315 
5316   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
5317   if( Tcl_GetIntFromObj(interp, objv[2], &col) ) return TCL_ERROR;
5318 
5319   rVal = sqlite3_column_double(pStmt, col);
5320   Tcl_SetObjResult(interp, Tcl_NewDoubleObj(rVal));
5321   return TCL_OK;
5322 }
5323 
5324 /*
5325 ** Usage: sqlite3_data_count STMT
5326 **
5327 ** Return the number of columns returned by the sql statement STMT.
5328 */
5329 static int SQLITE_TCLAPI test_data_count(
5330   void * clientData,
5331   Tcl_Interp *interp,
5332   int objc,
5333   Tcl_Obj *CONST objv[]
5334 ){
5335   sqlite3_stmt *pStmt;
5336 
5337   if( objc!=2 ){
5338     Tcl_AppendResult(interp, "wrong # args: should be \"",
5339        Tcl_GetString(objv[0]), " STMT column", 0);
5340     return TCL_ERROR;
5341   }
5342 
5343   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
5344 
5345   Tcl_SetObjResult(interp, Tcl_NewIntObj(sqlite3_data_count(pStmt)));
5346   return TCL_OK;
5347 }
5348 
5349 /*
5350 ** Usage: sqlite3_column_text STMT column
5351 **
5352 ** Usage: sqlite3_column_decltype STMT column
5353 **
5354 ** Usage: sqlite3_column_name STMT column
5355 */
5356 static int SQLITE_TCLAPI test_stmt_utf8(
5357   void * clientData,        /* Pointer to SQLite API function to be invoke */
5358   Tcl_Interp *interp,
5359   int objc,
5360   Tcl_Obj *CONST objv[]
5361 ){
5362   sqlite3_stmt *pStmt;
5363   int col;
5364   const char *(*xFunc)(sqlite3_stmt*, int);
5365   const char *zRet;
5366 
5367   xFunc = (const char *(*)(sqlite3_stmt*, int))clientData;
5368   if( objc!=3 ){
5369     Tcl_AppendResult(interp, "wrong # args: should be \"",
5370        Tcl_GetString(objv[0]), " STMT column", 0);
5371     return TCL_ERROR;
5372   }
5373 
5374   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
5375   if( Tcl_GetIntFromObj(interp, objv[2], &col) ) return TCL_ERROR;
5376   zRet = xFunc(pStmt, col);
5377   if( zRet ){
5378     Tcl_SetResult(interp, (char *)zRet, 0);
5379   }
5380   return TCL_OK;
5381 }
5382 
5383 static int SQLITE_TCLAPI test_global_recover(
5384   void * clientData,
5385   Tcl_Interp *interp,
5386   int objc,
5387   Tcl_Obj *CONST objv[]
5388 ){
5389 #ifndef SQLITE_OMIT_DEPRECATED
5390   int rc;
5391   if( objc!=1 ){
5392     Tcl_WrongNumArgs(interp, 1, objv, "");
5393     return TCL_ERROR;
5394   }
5395   rc = sqlite3_global_recover();
5396   Tcl_SetResult(interp, (char *)t1ErrorName(rc), TCL_STATIC);
5397 #endif
5398   return TCL_OK;
5399 }
5400 
5401 /*
5402 ** Usage: sqlite3_column_text STMT column
5403 **
5404 ** Usage: sqlite3_column_decltype STMT column
5405 **
5406 ** Usage: sqlite3_column_name STMT column
5407 */
5408 static int SQLITE_TCLAPI test_stmt_utf16(
5409   void * clientData,     /* Pointer to SQLite API function to be invoked */
5410   Tcl_Interp *interp,
5411   int objc,
5412   Tcl_Obj *CONST objv[]
5413 ){
5414 #ifndef SQLITE_OMIT_UTF16
5415   sqlite3_stmt *pStmt;
5416   int col;
5417   Tcl_Obj *pRet;
5418   const void *zName16;
5419   const void *(*xFunc)(sqlite3_stmt*, int);
5420 
5421   xFunc = (const void *(*)(sqlite3_stmt*, int))clientData;
5422   if( objc!=3 ){
5423     Tcl_AppendResult(interp, "wrong # args: should be \"",
5424        Tcl_GetString(objv[0]), " STMT column", 0);
5425     return TCL_ERROR;
5426   }
5427 
5428   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
5429   if( Tcl_GetIntFromObj(interp, objv[2], &col) ) return TCL_ERROR;
5430 
5431   zName16 = xFunc(pStmt, col);
5432   if( zName16 ){
5433     int n;
5434     const char *z = zName16;
5435     for(n=0; z[n] || z[n+1]; n+=2){}
5436     pRet = Tcl_NewByteArrayObj(zName16, n+2);
5437     Tcl_SetObjResult(interp, pRet);
5438   }
5439 #endif /* SQLITE_OMIT_UTF16 */
5440 
5441   return TCL_OK;
5442 }
5443 
5444 /*
5445 ** Usage: sqlite3_column_int STMT column
5446 **
5447 ** Usage: sqlite3_column_bytes STMT column
5448 **
5449 ** Usage: sqlite3_column_bytes16 STMT column
5450 **
5451 */
5452 static int SQLITE_TCLAPI test_stmt_int(
5453   void * clientData,    /* Pointer to SQLite API function to be invoked */
5454   Tcl_Interp *interp,
5455   int objc,
5456   Tcl_Obj *CONST objv[]
5457 ){
5458   sqlite3_stmt *pStmt;
5459   int col;
5460   int (*xFunc)(sqlite3_stmt*, int);
5461 
5462   xFunc = (int (*)(sqlite3_stmt*, int))clientData;
5463   if( objc!=3 ){
5464     Tcl_AppendResult(interp, "wrong # args: should be \"",
5465        Tcl_GetString(objv[0]), " STMT column", 0);
5466     return TCL_ERROR;
5467   }
5468 
5469   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
5470   if( Tcl_GetIntFromObj(interp, objv[2], &col) ) return TCL_ERROR;
5471 
5472   Tcl_SetObjResult(interp, Tcl_NewIntObj(xFunc(pStmt, col)));
5473   return TCL_OK;
5474 }
5475 
5476 
5477 /*
5478 ** Usage:  sqlite3_interrupt  DB
5479 **
5480 ** Trigger an interrupt on DB
5481 */
5482 static int SQLITE_TCLAPI test_interrupt(
5483   void * clientData,
5484   Tcl_Interp *interp,
5485   int argc,
5486   char **argv
5487 ){
5488   sqlite3 *db;
5489   if( argc!=2 ){
5490     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0], " DB", 0);
5491     return TCL_ERROR;
5492   }
5493   if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
5494   sqlite3_interrupt(db);
5495   return TCL_OK;
5496 }
5497 
5498 /*
5499 ** Usage: sqlite_delete_function DB function-name
5500 **
5501 ** Delete the user function 'function-name' from database handle DB. It
5502 ** is assumed that the user function was created as UTF8, any number of
5503 ** arguments (the way the TCL interface does it).
5504 */
5505 static int SQLITE_TCLAPI delete_function(
5506   void * clientData,
5507   Tcl_Interp *interp,
5508   int argc,
5509   char **argv
5510 ){
5511   int rc;
5512   sqlite3 *db;
5513   if( argc!=3 ){
5514     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
5515         " DB function-name", 0);
5516     return TCL_ERROR;
5517   }
5518   if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
5519   rc = sqlite3_create_function(db, argv[2], -1, SQLITE_UTF8, 0, 0, 0, 0);
5520   Tcl_SetResult(interp, (char *)t1ErrorName(rc), TCL_STATIC);
5521   return TCL_OK;
5522 }
5523 
5524 /*
5525 ** Usage: sqlite_delete_collation DB collation-name
5526 **
5527 ** Delete the collation sequence 'collation-name' from database handle
5528 ** DB. It is assumed that the collation sequence was created as UTF8 (the
5529 ** way the TCL interface does it).
5530 */
5531 static int SQLITE_TCLAPI delete_collation(
5532   void * clientData,
5533   Tcl_Interp *interp,
5534   int argc,
5535   char **argv
5536 ){
5537   int rc;
5538   sqlite3 *db;
5539   if( argc!=3 ){
5540     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
5541         " DB function-name", 0);
5542     return TCL_ERROR;
5543   }
5544   if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
5545   rc = sqlite3_create_collation(db, argv[2], SQLITE_UTF8, 0, 0);
5546   Tcl_SetResult(interp, (char *)t1ErrorName(rc), TCL_STATIC);
5547   return TCL_OK;
5548 }
5549 
5550 /*
5551 ** Usage: sqlite3_get_autocommit DB
5552 **
5553 ** Return true if the database DB is currently in auto-commit mode.
5554 ** Return false if not.
5555 */
5556 static int SQLITE_TCLAPI get_autocommit(
5557   void * clientData,
5558   Tcl_Interp *interp,
5559   int argc,
5560   char **argv
5561 ){
5562   char zBuf[30];
5563   sqlite3 *db;
5564   if( argc!=2 ){
5565     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
5566         " DB", 0);
5567     return TCL_ERROR;
5568   }
5569   if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
5570   sqlite3_snprintf(sizeof(zBuf), zBuf, "%d", sqlite3_get_autocommit(db));
5571   Tcl_AppendResult(interp, zBuf, 0);
5572   return TCL_OK;
5573 }
5574 
5575 /*
5576 ** Usage: sqlite3_busy_timeout DB MS
5577 **
5578 ** Set the busy timeout.  This is more easily done using the timeout
5579 ** method of the TCL interface.  But we need a way to test the case
5580 ** where it returns SQLITE_MISUSE.
5581 */
5582 static int SQLITE_TCLAPI test_busy_timeout(
5583   void * clientData,
5584   Tcl_Interp *interp,
5585   int argc,
5586   char **argv
5587 ){
5588   int rc, ms;
5589   sqlite3 *db;
5590   if( argc!=3 ){
5591     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
5592         " DB", 0);
5593     return TCL_ERROR;
5594   }
5595   if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
5596   if( Tcl_GetInt(interp, argv[2], &ms) ) return TCL_ERROR;
5597   rc = sqlite3_busy_timeout(db, ms);
5598   Tcl_AppendResult(interp, sqlite3ErrName(rc), 0);
5599   return TCL_OK;
5600 }
5601 
5602 /*
5603 ** Usage:  tcl_variable_type VARIABLENAME
5604 **
5605 ** Return the name of the internal representation for the
5606 ** value of the given variable.
5607 */
5608 static int SQLITE_TCLAPI tcl_variable_type(
5609   void * clientData,
5610   Tcl_Interp *interp,
5611   int objc,
5612   Tcl_Obj *CONST objv[]
5613 ){
5614   Tcl_Obj *pVar;
5615   if( objc!=2 ){
5616     Tcl_WrongNumArgs(interp, 1, objv, "VARIABLE");
5617     return TCL_ERROR;
5618   }
5619   pVar = Tcl_GetVar2Ex(interp, Tcl_GetString(objv[1]), 0, TCL_LEAVE_ERR_MSG);
5620   if( pVar==0 ) return TCL_ERROR;
5621   if( pVar->typePtr ){
5622     Tcl_SetObjResult(interp, Tcl_NewStringObj(pVar->typePtr->name, -1));
5623   }
5624   return TCL_OK;
5625 }
5626 
5627 /*
5628 ** Usage:  sqlite3_release_memory ?N?
5629 **
5630 ** Attempt to release memory currently held but not actually required.
5631 ** The integer N is the number of bytes we are trying to release.  The
5632 ** return value is the amount of memory actually released.
5633 */
5634 static int SQLITE_TCLAPI test_release_memory(
5635   void * clientData,
5636   Tcl_Interp *interp,
5637   int objc,
5638   Tcl_Obj *CONST objv[]
5639 ){
5640 #if defined(SQLITE_ENABLE_MEMORY_MANAGEMENT) && !defined(SQLITE_OMIT_DISKIO)
5641   int N;
5642   int amt;
5643   if( objc!=1 && objc!=2 ){
5644     Tcl_WrongNumArgs(interp, 1, objv, "?N?");
5645     return TCL_ERROR;
5646   }
5647   if( objc==2 ){
5648     if( Tcl_GetIntFromObj(interp, objv[1], &N) ) return TCL_ERROR;
5649   }else{
5650     N = -1;
5651   }
5652   amt = sqlite3_release_memory(N);
5653   Tcl_SetObjResult(interp, Tcl_NewIntObj(amt));
5654 #endif
5655   return TCL_OK;
5656 }
5657 
5658 
5659 /*
5660 ** Usage:  sqlite3_db_release_memory DB
5661 **
5662 ** Attempt to release memory currently held by database DB.  Return the
5663 ** result code (which in the current implementation is always zero).
5664 */
5665 static int SQLITE_TCLAPI test_db_release_memory(
5666   void * clientData,
5667   Tcl_Interp *interp,
5668   int objc,
5669   Tcl_Obj *CONST objv[]
5670 ){
5671   sqlite3 *db;
5672   int rc;
5673   if( objc!=2 ){
5674     Tcl_WrongNumArgs(interp, 1, objv, "DB");
5675     return TCL_ERROR;
5676   }
5677   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
5678   rc = sqlite3_db_release_memory(db);
5679   Tcl_SetObjResult(interp, Tcl_NewIntObj(rc));
5680   return TCL_OK;
5681 }
5682 
5683 /*
5684 ** Usage:  sqlite3_db_cacheflush DB
5685 **
5686 ** Attempt to flush any dirty pages to disk.
5687 */
5688 static int SQLITE_TCLAPI test_db_cacheflush(
5689   void * clientData,
5690   Tcl_Interp *interp,
5691   int objc,
5692   Tcl_Obj *CONST objv[]
5693 ){
5694   sqlite3 *db;
5695   int rc;
5696   if( objc!=2 ){
5697     Tcl_WrongNumArgs(interp, 1, objv, "DB");
5698     return TCL_ERROR;
5699   }
5700   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
5701   rc = sqlite3_db_cacheflush(db);
5702   if( rc ){
5703     Tcl_SetResult(interp, (char *)sqlite3ErrStr(rc), TCL_STATIC);
5704     return TCL_ERROR;
5705   }
5706 
5707   Tcl_ResetResult(interp);
5708   return TCL_OK;
5709 }
5710 
5711 /*
5712 ** Usage:  sqlite3_system_errno DB
5713 **
5714 ** Return the low-level system errno value.
5715 */
5716 static int SQLITE_TCLAPI test_system_errno(
5717   void * clientData,
5718   Tcl_Interp *interp,
5719   int objc,
5720   Tcl_Obj *CONST objv[]
5721 ){
5722   sqlite3 *db;
5723   int iErrno;
5724   if( objc!=2 ){
5725     Tcl_WrongNumArgs(interp, 1, objv, "DB");
5726     return TCL_ERROR;
5727   }
5728   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
5729   iErrno = sqlite3_system_errno(db);
5730   Tcl_SetObjResult(interp, Tcl_NewIntObj(iErrno));
5731   return TCL_OK;
5732 }
5733 
5734 /*
5735 ** Usage:  sqlite3_db_filename DB DBNAME
5736 **
5737 ** Return the name of a file associated with a database.
5738 */
5739 static int SQLITE_TCLAPI test_db_filename(
5740   void * clientData,
5741   Tcl_Interp *interp,
5742   int objc,
5743   Tcl_Obj *CONST objv[]
5744 ){
5745   sqlite3 *db;
5746   const char *zDbName;
5747   if( objc!=3 ){
5748     Tcl_WrongNumArgs(interp, 1, objv, "DB DBNAME");
5749     return TCL_ERROR;
5750   }
5751   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
5752   zDbName = Tcl_GetString(objv[2]);
5753   Tcl_AppendResult(interp, sqlite3_db_filename(db, zDbName), (void*)0);
5754   return TCL_OK;
5755 }
5756 
5757 /*
5758 ** Usage:  sqlite3_db_readonly DB DBNAME
5759 **
5760 ** Return 1 or 0 if DBNAME is readonly or not.  Return -1 if DBNAME does
5761 ** not exist.
5762 */
5763 static int SQLITE_TCLAPI test_db_readonly(
5764   void * clientData,
5765   Tcl_Interp *interp,
5766   int objc,
5767   Tcl_Obj *CONST objv[]
5768 ){
5769   sqlite3 *db;
5770   const char *zDbName;
5771   if( objc!=3 ){
5772     Tcl_WrongNumArgs(interp, 1, objv, "DB DBNAME");
5773     return TCL_ERROR;
5774   }
5775   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
5776   zDbName = Tcl_GetString(objv[2]);
5777   Tcl_SetObjResult(interp, Tcl_NewIntObj(sqlite3_db_readonly(db, zDbName)));
5778   return TCL_OK;
5779 }
5780 
5781 /*
5782 ** Usage:  sqlite3_soft_heap_limit ?N?
5783 **
5784 ** Query or set the soft heap limit for the current thread.  The
5785 ** limit is only changed if the N is present.  The previous limit
5786 ** is returned.
5787 */
5788 static int SQLITE_TCLAPI test_soft_heap_limit(
5789   void * clientData,
5790   Tcl_Interp *interp,
5791   int objc,
5792   Tcl_Obj *CONST objv[]
5793 ){
5794   sqlite3_int64 amt;
5795   Tcl_WideInt N = -1;
5796   if( objc!=1 && objc!=2 ){
5797     Tcl_WrongNumArgs(interp, 1, objv, "?N?");
5798     return TCL_ERROR;
5799   }
5800   if( objc==2 ){
5801     if( Tcl_GetWideIntFromObj(interp, objv[1], &N) ) return TCL_ERROR;
5802   }
5803   amt = sqlite3_soft_heap_limit64(N);
5804   Tcl_SetObjResult(interp, Tcl_NewWideIntObj(amt));
5805   return TCL_OK;
5806 }
5807 
5808 /*
5809 ** Usage:  sqlite3_hard_heap_limit ?N?
5810 **
5811 ** Query or set the hard heap limit for the current thread.  The
5812 ** limit is only changed if the N is present.  The previous limit
5813 ** is returned.
5814 */
5815 static int SQLITE_TCLAPI test_hard_heap_limit(
5816   void * clientData,
5817   Tcl_Interp *interp,
5818   int objc,
5819   Tcl_Obj *CONST objv[]
5820 ){
5821   sqlite3_int64 amt;
5822   Tcl_WideInt N = -1;
5823   if( objc!=1 && objc!=2 ){
5824     Tcl_WrongNumArgs(interp, 1, objv, "?N?");
5825     return TCL_ERROR;
5826   }
5827   if( objc==2 ){
5828     if( Tcl_GetWideIntFromObj(interp, objv[1], &N) ) return TCL_ERROR;
5829   }
5830   amt = sqlite3_hard_heap_limit64(N);
5831   Tcl_SetObjResult(interp, Tcl_NewWideIntObj(amt));
5832   return TCL_OK;
5833 }
5834 
5835 /*
5836 ** Usage:   sqlite3_thread_cleanup
5837 **
5838 ** Call the sqlite3_thread_cleanup API.
5839 */
5840 static int SQLITE_TCLAPI test_thread_cleanup(
5841   void * clientData,
5842   Tcl_Interp *interp,
5843   int objc,
5844   Tcl_Obj *CONST objv[]
5845 ){
5846 #ifndef SQLITE_OMIT_DEPRECATED
5847   sqlite3_thread_cleanup();
5848 #endif
5849   return TCL_OK;
5850 }
5851 
5852 /*
5853 ** Usage:   sqlite3_pager_refcounts  DB
5854 **
5855 ** Return a list of numbers which are the PagerRefcount for all
5856 ** pagers on each database connection.
5857 */
5858 static int SQLITE_TCLAPI test_pager_refcounts(
5859   void * clientData,
5860   Tcl_Interp *interp,
5861   int objc,
5862   Tcl_Obj *CONST objv[]
5863 ){
5864   sqlite3 *db;
5865   int i;
5866   int v, *a;
5867   Tcl_Obj *pResult;
5868 
5869   if( objc!=2 ){
5870     Tcl_AppendResult(interp, "wrong # args: should be \"",
5871         Tcl_GetStringFromObj(objv[0], 0), " DB", 0);
5872     return TCL_ERROR;
5873   }
5874   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
5875   pResult = Tcl_NewObj();
5876   for(i=0; i<db->nDb; i++){
5877     if( db->aDb[i].pBt==0 ){
5878       v = -1;
5879     }else{
5880       sqlite3_mutex_enter(db->mutex);
5881       a = sqlite3PagerStats(sqlite3BtreePager(db->aDb[i].pBt));
5882       v = a[0];
5883       sqlite3_mutex_leave(db->mutex);
5884     }
5885     Tcl_ListObjAppendElement(0, pResult, Tcl_NewIntObj(v));
5886   }
5887   Tcl_SetObjResult(interp, pResult);
5888   return TCL_OK;
5889 }
5890 
5891 
5892 /*
5893 ** tclcmd:   working_64bit_int
5894 **
5895 ** Some TCL builds (ex: cygwin) do not support 64-bit integers.  This
5896 ** leads to a number of test failures.  The present command checks the
5897 ** TCL build to see whether or not it supports 64-bit integers.  It
5898 ** returns TRUE if it does and FALSE if not.
5899 **
5900 ** This command is used to warn users that their TCL build is defective
5901 ** and that the errors they are seeing in the test scripts might be
5902 ** a result of their defective TCL rather than problems in SQLite.
5903 */
5904 static int SQLITE_TCLAPI working_64bit_int(
5905   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
5906   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
5907   int objc,              /* Number of arguments */
5908   Tcl_Obj *CONST objv[]  /* Command arguments */
5909 ){
5910   Tcl_Obj *pTestObj;
5911   int working = 0;
5912 
5913   pTestObj = Tcl_NewWideIntObj(1000000*(i64)1234567890);
5914   working = strcmp(Tcl_GetString(pTestObj), "1234567890000000")==0;
5915   Tcl_DecrRefCount(pTestObj);
5916   Tcl_SetObjResult(interp, Tcl_NewBooleanObj(working));
5917   return TCL_OK;
5918 }
5919 
5920 
5921 /*
5922 ** tclcmd:   vfs_unlink_test
5923 **
5924 ** This TCL command unregisters the primary VFS and then registers
5925 ** it back again.  This is used to test the ability to register a
5926 ** VFS when none are previously registered, and the ability to
5927 ** unregister the only available VFS.  Ticket #2738
5928 */
5929 static int SQLITE_TCLAPI vfs_unlink_test(
5930   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
5931   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
5932   int objc,              /* Number of arguments */
5933   Tcl_Obj *CONST objv[]  /* Command arguments */
5934 ){
5935   int i;
5936   sqlite3_vfs *pMain;
5937   sqlite3_vfs *apVfs[20];
5938   sqlite3_vfs one, two;
5939 
5940   sqlite3_vfs_unregister(0);   /* Unregister of NULL is harmless */
5941   one.zName = "__one";
5942   two.zName = "__two";
5943 
5944   /* Calling sqlite3_vfs_register with 2nd argument of 0 does not
5945   ** change the default VFS
5946   */
5947   pMain = sqlite3_vfs_find(0);
5948   sqlite3_vfs_register(&one, 0);
5949   assert( pMain==0 || pMain==sqlite3_vfs_find(0) );
5950   sqlite3_vfs_register(&two, 0);
5951   assert( pMain==0 || pMain==sqlite3_vfs_find(0) );
5952 
5953   /* We can find a VFS by its name */
5954   assert( sqlite3_vfs_find("__one")==&one );
5955   assert( sqlite3_vfs_find("__two")==&two );
5956 
5957   /* Calling sqlite_vfs_register with non-zero second parameter changes the
5958   ** default VFS, even if the 1st parameter is an existig VFS that is
5959   ** previously registered as the non-default.
5960   */
5961   sqlite3_vfs_register(&one, 1);
5962   assert( sqlite3_vfs_find("__one")==&one );
5963   assert( sqlite3_vfs_find("__two")==&two );
5964   assert( sqlite3_vfs_find(0)==&one );
5965   sqlite3_vfs_register(&two, 1);
5966   assert( sqlite3_vfs_find("__one")==&one );
5967   assert( sqlite3_vfs_find("__two")==&two );
5968   assert( sqlite3_vfs_find(0)==&two );
5969   if( pMain ){
5970     sqlite3_vfs_register(pMain, 1);
5971     assert( sqlite3_vfs_find("__one")==&one );
5972     assert( sqlite3_vfs_find("__two")==&two );
5973     assert( sqlite3_vfs_find(0)==pMain );
5974   }
5975 
5976   /* Unlink the default VFS.  Repeat until there are no more VFSes
5977   ** registered.
5978   */
5979   for(i=0; i<sizeof(apVfs)/sizeof(apVfs[0]); i++){
5980     apVfs[i] = sqlite3_vfs_find(0);
5981     if( apVfs[i] ){
5982       assert( apVfs[i]==sqlite3_vfs_find(apVfs[i]->zName) );
5983       sqlite3_vfs_unregister(apVfs[i]);
5984       assert( 0==sqlite3_vfs_find(apVfs[i]->zName) );
5985     }
5986   }
5987   assert( 0==sqlite3_vfs_find(0) );
5988 
5989   /* Register the main VFS as non-default (will be made default, since
5990   ** it'll be the only one in existence).
5991   */
5992   sqlite3_vfs_register(pMain, 0);
5993   assert( sqlite3_vfs_find(0)==pMain );
5994 
5995   /* Un-register the main VFS again to restore an empty VFS list */
5996   sqlite3_vfs_unregister(pMain);
5997   assert( 0==sqlite3_vfs_find(0) );
5998 
5999   /* Relink all VFSes in reverse order. */
6000   for(i=sizeof(apVfs)/sizeof(apVfs[0])-1; i>=0; i--){
6001     if( apVfs[i] ){
6002       sqlite3_vfs_register(apVfs[i], 1);
6003       assert( apVfs[i]==sqlite3_vfs_find(0) );
6004       assert( apVfs[i]==sqlite3_vfs_find(apVfs[i]->zName) );
6005     }
6006   }
6007 
6008   /* Unregister out sample VFSes. */
6009   sqlite3_vfs_unregister(&one);
6010   sqlite3_vfs_unregister(&two);
6011 
6012   /* Unregistering a VFS that is not currently registered is harmless */
6013   sqlite3_vfs_unregister(&one);
6014   sqlite3_vfs_unregister(&two);
6015   assert( sqlite3_vfs_find("__one")==0 );
6016   assert( sqlite3_vfs_find("__two")==0 );
6017 
6018   /* We should be left with the original default VFS back as the
6019   ** original */
6020   assert( sqlite3_vfs_find(0)==pMain );
6021 
6022   return TCL_OK;
6023 }
6024 
6025 /*
6026 ** tclcmd:   vfs_initfail_test
6027 **
6028 ** This TCL command attempts to vfs_find and vfs_register when the
6029 ** sqlite3_initialize() interface is failing.  All calls should fail.
6030 */
6031 static int SQLITE_TCLAPI vfs_initfail_test(
6032   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
6033   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
6034   int objc,              /* Number of arguments */
6035   Tcl_Obj *CONST objv[]  /* Command arguments */
6036 ){
6037   sqlite3_vfs one;
6038   one.zName = "__one";
6039 
6040   if( sqlite3_vfs_find(0) ) return TCL_ERROR;
6041   sqlite3_vfs_register(&one, 0);
6042   if( sqlite3_vfs_find(0) ) return TCL_ERROR;
6043   sqlite3_vfs_register(&one, 1);
6044   if( sqlite3_vfs_find(0) ) return TCL_ERROR;
6045   return TCL_OK;
6046 }
6047 
6048 /*
6049 ** Saved VFSes
6050 */
6051 static sqlite3_vfs *apVfs[20];
6052 static int nVfs = 0;
6053 
6054 /*
6055 ** tclcmd:   vfs_unregister_all
6056 **
6057 ** Unregister all VFSes.
6058 */
6059 static int SQLITE_TCLAPI vfs_unregister_all(
6060   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
6061   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
6062   int objc,              /* Number of arguments */
6063   Tcl_Obj *CONST objv[]  /* Command arguments */
6064 ){
6065   int i;
6066   for(i=0; i<ArraySize(apVfs); i++){
6067     apVfs[i] = sqlite3_vfs_find(0);
6068     if( apVfs[i]==0 ) break;
6069     sqlite3_vfs_unregister(apVfs[i]);
6070   }
6071   nVfs = i;
6072   return TCL_OK;
6073 }
6074 /*
6075 ** tclcmd:   vfs_reregister_all
6076 **
6077 ** Restore all VFSes that were removed using vfs_unregister_all. Taking
6078 ** care to put the linked list back together in the same order as it was
6079 ** in before vfs_unregister_all was invoked.
6080 */
6081 static int SQLITE_TCLAPI vfs_reregister_all(
6082   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
6083   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
6084   int objc,              /* Number of arguments */
6085   Tcl_Obj *CONST objv[]  /* Command arguments */
6086 ){
6087   int i;
6088   for(i=nVfs-1; i>=0; i--){
6089     sqlite3_vfs_register(apVfs[i], 1);
6090   }
6091   return TCL_OK;
6092 }
6093 
6094 
6095 /*
6096 ** tclcmd:   file_control_test DB
6097 **
6098 ** This TCL command runs the sqlite3_file_control interface and
6099 ** verifies correct operation of the same.
6100 */
6101 static int SQLITE_TCLAPI file_control_test(
6102   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
6103   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
6104   int objc,              /* Number of arguments */
6105   Tcl_Obj *CONST objv[]  /* Command arguments */
6106 ){
6107   int iArg = 0;
6108   sqlite3 *db;
6109   int rc;
6110 
6111   if( objc!=2 ){
6112     Tcl_AppendResult(interp, "wrong # args: should be \"",
6113         Tcl_GetStringFromObj(objv[0], 0), " DB", 0);
6114     return TCL_ERROR;
6115   }
6116   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
6117   rc = sqlite3_file_control(db, 0, 0, &iArg);
6118   assert( rc==SQLITE_NOTFOUND );
6119   rc = sqlite3_file_control(db, "notadatabase", SQLITE_FCNTL_LOCKSTATE, &iArg);
6120   assert( rc==SQLITE_ERROR );
6121   rc = sqlite3_file_control(db, "main", -1, &iArg);
6122   assert( rc==SQLITE_NOTFOUND );
6123   rc = sqlite3_file_control(db, "temp", -1, &iArg);
6124   assert( rc==SQLITE_NOTFOUND || rc==SQLITE_ERROR );
6125 
6126   return TCL_OK;
6127 }
6128 
6129 
6130 /*
6131 ** tclcmd:   file_control_lasterrno_test DB
6132 **
6133 ** This TCL command runs the sqlite3_file_control interface and
6134 ** verifies correct operation of the SQLITE_LAST_ERRNO verb.
6135 */
6136 static int SQLITE_TCLAPI file_control_lasterrno_test(
6137   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
6138   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
6139   int objc,              /* Number of arguments */
6140   Tcl_Obj *CONST objv[]  /* Command arguments */
6141 ){
6142   int iArg = 0;
6143   sqlite3 *db;
6144   int rc;
6145 
6146   if( objc!=2 ){
6147     Tcl_AppendResult(interp, "wrong # args: should be \"",
6148         Tcl_GetStringFromObj(objv[0], 0), " DB", 0);
6149     return TCL_ERROR;
6150   }
6151   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ){
6152     return TCL_ERROR;
6153   }
6154   rc = sqlite3_file_control(db, NULL, SQLITE_LAST_ERRNO, &iArg);
6155   if( rc ){
6156     Tcl_SetObjResult(interp, Tcl_NewIntObj(rc));
6157     return TCL_ERROR;
6158   }
6159   if( iArg!=0 ) {
6160     Tcl_AppendResult(interp, "Unexpected non-zero errno: ",
6161                      Tcl_GetStringFromObj(Tcl_NewIntObj(iArg), 0), " ", 0);
6162     return TCL_ERROR;
6163   }
6164   return TCL_OK;
6165 }
6166 
6167 /*
6168 ** tclcmd:   file_control_data_version DB DBNAME
6169 **
6170 ** This TCL command runs the sqlite3_file_control with the
6171 ** SQLITE_FCNTL_DATA_VERSION opcode, returning the result.
6172 */
6173 static int SQLITE_TCLAPI file_control_data_version(
6174   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
6175   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
6176   int objc,              /* Number of arguments */
6177   Tcl_Obj *CONST objv[]  /* Command arguments */
6178 ){
6179   unsigned int iVers;             /* data version */
6180   char *zDb;                      /* Db name ("main", "temp" etc.) */
6181   sqlite3 *db;                    /* Database handle */
6182   int rc;                         /* file_control() return code */
6183   char zBuf[100];
6184 
6185   if( objc!=3 && objc!=2 ){
6186     Tcl_WrongNumArgs(interp, 1, objv, "DB [DBNAME]");
6187     return TCL_ERROR;
6188   }
6189   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ){
6190    return TCL_ERROR;
6191   }
6192   zDb = objc==3 ? Tcl_GetString(objv[2]) : NULL;
6193 
6194   rc = sqlite3_file_control(db, zDb, SQLITE_FCNTL_DATA_VERSION, (void *)&iVers);
6195   if( rc ){
6196     Tcl_SetResult(interp, (char *)sqlite3ErrName(rc), TCL_STATIC);
6197     return TCL_ERROR;
6198   }else{
6199     sqlite3_snprintf(sizeof(zBuf),zBuf,"%u",iVers);
6200     Tcl_SetResult(interp, (char *)zBuf, TCL_VOLATILE);
6201     return TCL_OK;
6202   }
6203 }
6204 
6205 /*
6206 ** tclcmd:   file_control_chunksize_test DB DBNAME SIZE
6207 **
6208 ** This TCL command runs the sqlite3_file_control interface and
6209 ** verifies correct operation of the SQLITE_GET_LOCKPROXYFILE and
6210 ** SQLITE_SET_LOCKPROXYFILE verbs.
6211 */
6212 static int SQLITE_TCLAPI file_control_chunksize_test(
6213   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
6214   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
6215   int objc,              /* Number of arguments */
6216   Tcl_Obj *CONST objv[]  /* Command arguments */
6217 ){
6218   int nSize;                      /* New chunk size */
6219   char *zDb;                      /* Db name ("main", "temp" etc.) */
6220   sqlite3 *db;                    /* Database handle */
6221   int rc;                         /* file_control() return code */
6222 
6223   if( objc!=4 ){
6224     Tcl_WrongNumArgs(interp, 1, objv, "DB DBNAME SIZE");
6225     return TCL_ERROR;
6226   }
6227   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db)
6228    || Tcl_GetIntFromObj(interp, objv[3], &nSize)
6229   ){
6230    return TCL_ERROR;
6231   }
6232   zDb = Tcl_GetString(objv[2]);
6233   if( zDb[0]=='\0' ) zDb = NULL;
6234 
6235   rc = sqlite3_file_control(db, zDb, SQLITE_FCNTL_CHUNK_SIZE, (void *)&nSize);
6236   if( rc ){
6237     Tcl_SetResult(interp, (char *)sqlite3ErrName(rc), TCL_STATIC);
6238     return TCL_ERROR;
6239   }
6240   return TCL_OK;
6241 }
6242 
6243 /*
6244 ** tclcmd:   file_control_sizehint_test DB DBNAME SIZE
6245 **
6246 ** This TCL command runs the sqlite3_file_control interface
6247 ** with SQLITE_FCNTL_SIZE_HINT
6248 */
6249 static int SQLITE_TCLAPI file_control_sizehint_test(
6250   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
6251   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
6252   int objc,              /* Number of arguments */
6253   Tcl_Obj *CONST objv[]  /* Command arguments */
6254 ){
6255   Tcl_WideInt nSize;              /* Hinted size */
6256   char *zDb;                      /* Db name ("main", "temp" etc.) */
6257   sqlite3 *db;                    /* Database handle */
6258   int rc;                         /* file_control() return code */
6259 
6260   if( objc!=4 ){
6261     Tcl_WrongNumArgs(interp, 1, objv, "DB DBNAME SIZE");
6262     return TCL_ERROR;
6263   }
6264   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db)
6265    || Tcl_GetWideIntFromObj(interp, objv[3], &nSize)
6266   ){
6267    return TCL_ERROR;
6268   }
6269   zDb = Tcl_GetString(objv[2]);
6270   if( zDb[0]=='\0' ) zDb = NULL;
6271 
6272   rc = sqlite3_file_control(db, zDb, SQLITE_FCNTL_SIZE_HINT, (void *)&nSize);
6273   if( rc ){
6274     Tcl_SetResult(interp, (char *)sqlite3ErrName(rc), TCL_STATIC);
6275     return TCL_ERROR;
6276   }
6277   return TCL_OK;
6278 }
6279 
6280 /*
6281 ** tclcmd:   file_control_lockproxy_test DB PWD
6282 **
6283 ** This TCL command runs the sqlite3_file_control interface and
6284 ** verifies correct operation of the SQLITE_GET_LOCKPROXYFILE and
6285 ** SQLITE_SET_LOCKPROXYFILE verbs.
6286 */
6287 static int SQLITE_TCLAPI file_control_lockproxy_test(
6288   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
6289   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
6290   int objc,              /* Number of arguments */
6291   Tcl_Obj *CONST objv[]  /* Command arguments */
6292 ){
6293   sqlite3 *db;
6294 
6295   if( objc!=3 ){
6296     Tcl_AppendResult(interp, "wrong # args: should be \"",
6297                      Tcl_GetStringFromObj(objv[0], 0), " DB PWD", 0);
6298     return TCL_ERROR;
6299   }
6300   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ){
6301    return TCL_ERROR;
6302   }
6303 
6304 #if !defined(SQLITE_ENABLE_LOCKING_STYLE)
6305 #  if defined(__APPLE__)
6306 #    define SQLITE_ENABLE_LOCKING_STYLE 1
6307 #  else
6308 #    define SQLITE_ENABLE_LOCKING_STYLE 0
6309 #  endif
6310 #endif
6311 #if SQLITE_ENABLE_LOCKING_STYLE && defined(__APPLE__)
6312   {
6313     char *testPath;
6314     int rc;
6315     int nPwd;
6316     const char *zPwd;
6317     char proxyPath[400];
6318 
6319     zPwd = Tcl_GetStringFromObj(objv[2], &nPwd);
6320     if( sizeof(proxyPath)<nPwd+20 ){
6321       Tcl_AppendResult(interp, "PWD too big", (void*)0);
6322       return TCL_ERROR;
6323     }
6324     sqlite3_snprintf(sizeof(proxyPath), proxyPath, "%s/test.proxy", zPwd);
6325     rc = sqlite3_file_control(db, NULL, SQLITE_SET_LOCKPROXYFILE, proxyPath);
6326     if( rc ){
6327       Tcl_SetObjResult(interp, Tcl_NewIntObj(rc));
6328       return TCL_ERROR;
6329     }
6330     rc = sqlite3_file_control(db, NULL, SQLITE_GET_LOCKPROXYFILE, &testPath);
6331     if( strncmp(proxyPath,testPath,11) ){
6332       Tcl_AppendResult(interp, "Lock proxy file did not match the "
6333                                "previously assigned value", 0);
6334       return TCL_ERROR;
6335     }
6336     if( rc ){
6337       Tcl_SetObjResult(interp, Tcl_NewIntObj(rc));
6338       return TCL_ERROR;
6339     }
6340     rc = sqlite3_file_control(db, NULL, SQLITE_SET_LOCKPROXYFILE, proxyPath);
6341     if( rc ){
6342       Tcl_SetObjResult(interp, Tcl_NewIntObj(rc));
6343       return TCL_ERROR;
6344     }
6345   }
6346 #endif
6347   return TCL_OK;
6348 }
6349 
6350 #if SQLITE_OS_WIN
6351 /*
6352 ** tclcmd:   file_control_win32_av_retry DB  NRETRY  DELAY
6353 **
6354 ** This TCL command runs the sqlite3_file_control interface with
6355 ** the SQLITE_FCNTL_WIN32_AV_RETRY opcode.
6356 */
6357 static int SQLITE_TCLAPI file_control_win32_av_retry(
6358   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
6359   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
6360   int objc,              /* Number of arguments */
6361   Tcl_Obj *CONST objv[]  /* Command arguments */
6362 ){
6363   sqlite3 *db;
6364   int rc;
6365   int a[2];
6366   char z[100];
6367 
6368   if( objc!=4 ){
6369     Tcl_AppendResult(interp, "wrong # args: should be \"",
6370         Tcl_GetStringFromObj(objv[0], 0), " DB NRETRY DELAY", 0);
6371     return TCL_ERROR;
6372   }
6373   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ){
6374     return TCL_ERROR;
6375   }
6376   if( Tcl_GetIntFromObj(interp, objv[2], &a[0]) ) return TCL_ERROR;
6377   if( Tcl_GetIntFromObj(interp, objv[3], &a[1]) ) return TCL_ERROR;
6378   rc = sqlite3_file_control(db, NULL, SQLITE_FCNTL_WIN32_AV_RETRY, (void*)a);
6379   sqlite3_snprintf(sizeof(z), z, "%d %d %d", rc, a[0], a[1]);
6380   Tcl_AppendResult(interp, z, (char*)0);
6381   return TCL_OK;
6382 }
6383 
6384 /*
6385 ** tclcmd:   file_control_win32_get_handle DB
6386 **
6387 ** This TCL command runs the sqlite3_file_control interface with
6388 ** the SQLITE_FCNTL_WIN32_GET_HANDLE opcode.
6389 */
6390 static int file_control_win32_get_handle(
6391   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
6392   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
6393   int objc,              /* Number of arguments */
6394   Tcl_Obj *CONST objv[]  /* Command arguments */
6395 ){
6396   sqlite3 *db;
6397   int rc;
6398   HANDLE hFile = NULL;
6399   char z[100];
6400 
6401   if( objc!=2 ){
6402     Tcl_AppendResult(interp, "wrong # args: should be \"",
6403         Tcl_GetStringFromObj(objv[0], 0), " DB", 0);
6404     return TCL_ERROR;
6405   }
6406   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ){
6407     return TCL_ERROR;
6408   }
6409   rc = sqlite3_file_control(db, NULL, SQLITE_FCNTL_WIN32_GET_HANDLE,
6410                             (void*)&hFile);
6411   sqlite3_snprintf(sizeof(z), z, "%d %p", rc, (void*)hFile);
6412   Tcl_AppendResult(interp, z, (char*)0);
6413   return TCL_OK;
6414 }
6415 
6416 /*
6417 ** tclcmd:   file_control_win32_set_handle DB HANDLE
6418 **
6419 ** This TCL command runs the sqlite3_file_control interface with
6420 ** the SQLITE_FCNTL_WIN32_SET_HANDLE opcode.
6421 */
6422 static int SQLITE_TCLAPI file_control_win32_set_handle(
6423   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
6424   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
6425   int objc,              /* Number of arguments */
6426   Tcl_Obj *CONST objv[]  /* Command arguments */
6427 ){
6428   sqlite3 *db;
6429   int rc;
6430   HANDLE hFile = NULL;
6431   char z[100];
6432 
6433   if( objc!=3 ){
6434     Tcl_AppendResult(interp, "wrong # args: should be \"",
6435         Tcl_GetStringFromObj(objv[0], 0), " DB HANDLE", 0);
6436     return TCL_ERROR;
6437   }
6438   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ){
6439     return TCL_ERROR;
6440   }
6441   if( getWin32Handle(interp, Tcl_GetString(objv[2]), &hFile) ){
6442     return TCL_ERROR;
6443   }
6444   rc = sqlite3_file_control(db, NULL, SQLITE_FCNTL_WIN32_SET_HANDLE,
6445                             (void*)&hFile);
6446   sqlite3_snprintf(sizeof(z), z, "%d %p", rc, (void*)hFile);
6447   Tcl_AppendResult(interp, z, (char*)0);
6448   return TCL_OK;
6449 }
6450 #endif
6451 
6452 /*
6453 ** tclcmd:   file_control_persist_wal DB PERSIST-FLAG
6454 **
6455 ** This TCL command runs the sqlite3_file_control interface with
6456 ** the SQLITE_FCNTL_PERSIST_WAL opcode.
6457 */
6458 static int SQLITE_TCLAPI file_control_persist_wal(
6459   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
6460   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
6461   int objc,              /* Number of arguments */
6462   Tcl_Obj *CONST objv[]  /* Command arguments */
6463 ){
6464   sqlite3 *db;
6465   int rc;
6466   int bPersist;
6467   char z[100];
6468 
6469   if( objc!=3 ){
6470     Tcl_AppendResult(interp, "wrong # args: should be \"",
6471         Tcl_GetStringFromObj(objv[0], 0), " DB FLAG", 0);
6472     return TCL_ERROR;
6473   }
6474   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ){
6475     return TCL_ERROR;
6476   }
6477   if( Tcl_GetIntFromObj(interp, objv[2], &bPersist) ) return TCL_ERROR;
6478   rc = sqlite3_file_control(db, NULL, SQLITE_FCNTL_PERSIST_WAL, (void*)&bPersist);
6479   sqlite3_snprintf(sizeof(z), z, "%d %d", rc, bPersist);
6480   Tcl_AppendResult(interp, z, (char*)0);
6481   return TCL_OK;
6482 }
6483 
6484 /*
6485 ** tclcmd:   file_control_powersafe_overwrite DB PSOW-FLAG
6486 **
6487 ** This TCL command runs the sqlite3_file_control interface with
6488 ** the SQLITE_FCNTL_POWERSAFE_OVERWRITE opcode.
6489 */
6490 static int SQLITE_TCLAPI file_control_powersafe_overwrite(
6491   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
6492   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
6493   int objc,              /* Number of arguments */
6494   Tcl_Obj *CONST objv[]  /* Command arguments */
6495 ){
6496   sqlite3 *db;
6497   int rc;
6498   int b;
6499   char z[100];
6500 
6501   if( objc!=3 ){
6502     Tcl_AppendResult(interp, "wrong # args: should be \"",
6503         Tcl_GetStringFromObj(objv[0], 0), " DB FLAG", 0);
6504     return TCL_ERROR;
6505   }
6506   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ){
6507     return TCL_ERROR;
6508   }
6509   if( Tcl_GetIntFromObj(interp, objv[2], &b) ) return TCL_ERROR;
6510   rc = sqlite3_file_control(db,NULL,SQLITE_FCNTL_POWERSAFE_OVERWRITE,(void*)&b);
6511   sqlite3_snprintf(sizeof(z), z, "%d %d", rc, b);
6512   Tcl_AppendResult(interp, z, (char*)0);
6513   return TCL_OK;
6514 }
6515 
6516 
6517 /*
6518 ** tclcmd:   file_control_vfsname DB ?AUXDB?
6519 **
6520 ** Return a string that describes the stack of VFSes.
6521 */
6522 static int SQLITE_TCLAPI file_control_vfsname(
6523   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
6524   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
6525   int objc,              /* Number of arguments */
6526   Tcl_Obj *CONST objv[]  /* Command arguments */
6527 ){
6528   sqlite3 *db;
6529   const char *zDbName = "main";
6530   char *zVfsName = 0;
6531 
6532   if( objc!=2 && objc!=3 ){
6533     Tcl_AppendResult(interp, "wrong # args: should be \"",
6534         Tcl_GetStringFromObj(objv[0], 0), " DB ?AUXDB?", 0);
6535     return TCL_ERROR;
6536   }
6537   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ){
6538     return TCL_ERROR;
6539   }
6540   if( objc==3 ){
6541     zDbName = Tcl_GetString(objv[2]);
6542   }
6543   sqlite3_file_control(db, zDbName, SQLITE_FCNTL_VFSNAME,(void*)&zVfsName);
6544   Tcl_AppendResult(interp, zVfsName, (char*)0);
6545   sqlite3_free(zVfsName);
6546   return TCL_OK;
6547 }
6548 
6549 /*
6550 ** tclcmd:   file_control_reservebytes DB N
6551 */
6552 static int SQLITE_TCLAPI file_control_reservebytes(
6553   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
6554   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
6555   int objc,              /* Number of arguments */
6556   Tcl_Obj *CONST objv[]  /* Command arguments */
6557 ){
6558   sqlite3 *db;
6559   const char *zDbName = "main";
6560   int n = 0;
6561   int rc;
6562 
6563   if( objc!=3 ){
6564     Tcl_WrongNumArgs(interp, 1, objv, "DB N");
6565     return TCL_ERROR;
6566   }
6567   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db)
6568    || Tcl_GetIntFromObj(interp, objv[2], &n)
6569   ){
6570     return TCL_ERROR;
6571   }
6572 
6573   rc = sqlite3_file_control(db, zDbName, SQLITE_FCNTL_RESERVE_BYTES, (void*)&n);
6574   Tcl_SetObjResult(interp, Tcl_NewStringObj(sqlite3ErrName(rc), -1));
6575   return TCL_OK;
6576 }
6577 
6578 
6579 /*
6580 ** tclcmd:   file_control_tempfilename DB ?AUXDB?
6581 **
6582 ** Return a string that is a temporary filename
6583 */
6584 static int SQLITE_TCLAPI file_control_tempfilename(
6585   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
6586   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
6587   int objc,              /* Number of arguments */
6588   Tcl_Obj *CONST objv[]  /* Command arguments */
6589 ){
6590   sqlite3 *db;
6591   const char *zDbName = "main";
6592   char *zTName = 0;
6593 
6594   if( objc!=2 && objc!=3 ){
6595     Tcl_AppendResult(interp, "wrong # args: should be \"",
6596         Tcl_GetStringFromObj(objv[0], 0), " DB ?AUXDB?", 0);
6597     return TCL_ERROR;
6598   }
6599   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ){
6600     return TCL_ERROR;
6601   }
6602   if( objc==3 ){
6603     zDbName = Tcl_GetString(objv[2]);
6604   }
6605   sqlite3_file_control(db, zDbName, SQLITE_FCNTL_TEMPFILENAME, (void*)&zTName);
6606   Tcl_AppendResult(interp, zTName, (char*)0);
6607   sqlite3_free(zTName);
6608   return TCL_OK;
6609 }
6610 
6611 /*
6612 ** tclcmd:   file_control_external_reader DB ?AUXDB?
6613 **
6614 ** Return a string that is a temporary filename
6615 */
6616 static int SQLITE_TCLAPI file_control_external_reader(
6617   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
6618   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
6619   int objc,              /* Number of arguments */
6620   Tcl_Obj *CONST objv[]  /* Command arguments */
6621 ){
6622   sqlite3 *db;
6623   const char *zName = "main";
6624   int iRes = 0;
6625   int rc = SQLITE_OK;
6626 
6627   if( objc!=2 && objc!=3 ){
6628     Tcl_AppendResult(interp, "wrong # args: should be \"",
6629         Tcl_GetStringFromObj(objv[0], 0), " DB ?AUXDB?", 0);
6630     return TCL_ERROR;
6631   }
6632   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ){
6633     return TCL_ERROR;
6634   }
6635   if( objc==3 ){
6636     zName = Tcl_GetString(objv[2]);
6637   }
6638   rc = sqlite3_file_control(db, zName, SQLITE_FCNTL_EXTERNAL_READER, &iRes);
6639   if( rc!=SQLITE_OK ){
6640     Tcl_SetResult(interp, (char *)t1ErrorName(rc), TCL_STATIC);
6641     return TCL_ERROR;
6642   }
6643   Tcl_SetObjResult(interp, Tcl_NewIntObj(iRes));
6644   return TCL_OK;
6645 }
6646 
6647 
6648 /*
6649 ** tclcmd:   sqlite3_vfs_list
6650 **
6651 **   Return a tcl list containing the names of all registered vfs's.
6652 */
6653 static int SQLITE_TCLAPI vfs_list(
6654   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
6655   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
6656   int objc,              /* Number of arguments */
6657   Tcl_Obj *CONST objv[]  /* Command arguments */
6658 ){
6659   sqlite3_vfs *pVfs;
6660   Tcl_Obj *pRet = Tcl_NewObj();
6661   if( objc!=1 ){
6662     Tcl_WrongNumArgs(interp, 1, objv, "");
6663     return TCL_ERROR;
6664   }
6665   for(pVfs=sqlite3_vfs_find(0); pVfs; pVfs=pVfs->pNext){
6666     Tcl_ListObjAppendElement(interp, pRet, Tcl_NewStringObj(pVfs->zName, -1));
6667   }
6668   Tcl_SetObjResult(interp, pRet);
6669   return TCL_OK;
6670 }
6671 
6672 /*
6673 ** tclcmd:   sqlite3_limit DB ID VALUE
6674 **
6675 ** This TCL command runs the sqlite3_limit interface and
6676 ** verifies correct operation of the same.
6677 */
6678 static int SQLITE_TCLAPI test_limit(
6679   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
6680   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
6681   int objc,              /* Number of arguments */
6682   Tcl_Obj *CONST objv[]  /* Command arguments */
6683 ){
6684   sqlite3 *db;
6685   int rc;
6686   static const struct {
6687      char *zName;
6688      int id;
6689   } aId[] = {
6690     { "SQLITE_LIMIT_LENGTH",              SQLITE_LIMIT_LENGTH               },
6691     { "SQLITE_LIMIT_SQL_LENGTH",          SQLITE_LIMIT_SQL_LENGTH           },
6692     { "SQLITE_LIMIT_COLUMN",              SQLITE_LIMIT_COLUMN               },
6693     { "SQLITE_LIMIT_EXPR_DEPTH",          SQLITE_LIMIT_EXPR_DEPTH           },
6694     { "SQLITE_LIMIT_COMPOUND_SELECT",     SQLITE_LIMIT_COMPOUND_SELECT      },
6695     { "SQLITE_LIMIT_VDBE_OP",             SQLITE_LIMIT_VDBE_OP              },
6696     { "SQLITE_LIMIT_FUNCTION_ARG",        SQLITE_LIMIT_FUNCTION_ARG         },
6697     { "SQLITE_LIMIT_ATTACHED",            SQLITE_LIMIT_ATTACHED             },
6698     { "SQLITE_LIMIT_LIKE_PATTERN_LENGTH", SQLITE_LIMIT_LIKE_PATTERN_LENGTH  },
6699     { "SQLITE_LIMIT_VARIABLE_NUMBER",     SQLITE_LIMIT_VARIABLE_NUMBER      },
6700     { "SQLITE_LIMIT_TRIGGER_DEPTH",       SQLITE_LIMIT_TRIGGER_DEPTH        },
6701     { "SQLITE_LIMIT_WORKER_THREADS",      SQLITE_LIMIT_WORKER_THREADS       },
6702 
6703     /* Out of range test cases */
6704     { "SQLITE_LIMIT_TOOSMALL",            -1,                               },
6705     { "SQLITE_LIMIT_TOOBIG",              SQLITE_LIMIT_WORKER_THREADS+1     },
6706   };
6707   int i, id = 0;
6708   int val;
6709   const char *zId;
6710 
6711   if( objc!=4 ){
6712     Tcl_AppendResult(interp, "wrong # args: should be \"",
6713         Tcl_GetStringFromObj(objv[0], 0), " DB ID VALUE", 0);
6714     return TCL_ERROR;
6715   }
6716   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
6717   zId = Tcl_GetString(objv[2]);
6718   for(i=0; i<sizeof(aId)/sizeof(aId[0]); i++){
6719     if( strcmp(zId, aId[i].zName)==0 ){
6720       id = aId[i].id;
6721       break;
6722     }
6723   }
6724   if( i>=sizeof(aId)/sizeof(aId[0]) ){
6725     Tcl_AppendResult(interp, "unknown limit type: ", zId, (char*)0);
6726     return TCL_ERROR;
6727   }
6728   if( Tcl_GetIntFromObj(interp, objv[3], &val) ) return TCL_ERROR;
6729   rc = sqlite3_limit(db, id, val);
6730   Tcl_SetObjResult(interp, Tcl_NewIntObj(rc));
6731   return TCL_OK;
6732 }
6733 
6734 /*
6735 ** tclcmd:  save_prng_state
6736 **
6737 ** Save the state of the pseudo-random number generator.
6738 ** At the same time, verify that sqlite3_test_control works even when
6739 ** called with an out-of-range opcode.
6740 */
6741 static int SQLITE_TCLAPI save_prng_state(
6742   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
6743   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
6744   int objc,              /* Number of arguments */
6745   Tcl_Obj *CONST objv[]  /* Command arguments */
6746 ){
6747   int rc = sqlite3_test_control(9999);
6748   assert( rc==0 );
6749   rc = sqlite3_test_control(-1);
6750   assert( rc==0 );
6751   sqlite3_test_control(SQLITE_TESTCTRL_PRNG_SAVE);
6752   return TCL_OK;
6753 }
6754 /*
6755 ** tclcmd:  restore_prng_state
6756 */
6757 static int SQLITE_TCLAPI restore_prng_state(
6758   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
6759   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
6760   int objc,              /* Number of arguments */
6761   Tcl_Obj *CONST objv[]  /* Command arguments */
6762 ){
6763   sqlite3_test_control(SQLITE_TESTCTRL_PRNG_RESTORE);
6764   return TCL_OK;
6765 }
6766 /*
6767 ** tclcmd:  reset_prng_state
6768 */
6769 static int SQLITE_TCLAPI reset_prng_state(
6770   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
6771   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
6772   int objc,              /* Number of arguments */
6773   Tcl_Obj *CONST objv[]  /* Command arguments */
6774 ){
6775   sqlite3_randomness(0,0);
6776   return TCL_OK;
6777 }
6778 /*
6779 ** tclcmd:  prng_seed INT ?DB?
6780 **
6781 ** Set up the SQLITE_TESTCTRL_PRNG_SEED pragma with parameter INT and DB.
6782 ** INT is an integer.  DB is a database connection, or a NULL pointer if
6783 ** omitted.
6784 **
6785 ** When INT!=0 and DB!=0, set the PRNG seed to the value of the schema
6786 ** cookie for DB, or to INT if the schema cookie happens to be zero.
6787 **
6788 ** When INT!=0 and DB==0, set the PRNG seed to just INT.
6789 **
6790 ** If INT==0 and DB==0 then use the default procedure of calling the
6791 ** xRandomness method on the default VFS to get the PRNG seed.
6792 */
6793 static int SQLITE_TCLAPI prng_seed(
6794   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
6795   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
6796   int objc,              /* Number of arguments */
6797   Tcl_Obj *CONST objv[]  /* Command arguments */
6798 ){
6799   int i = 0;
6800   sqlite3 *db = 0;
6801   if( objc!=2 && objc!=3 ){
6802     Tcl_WrongNumArgs(interp, 1, objv, "SEED ?DB?");
6803     return TCL_ERROR;
6804   }
6805   if( Tcl_GetIntFromObj(interp,objv[1],&i) ) return TCL_ERROR;
6806   if( objc==3 && getDbPointer(interp, Tcl_GetString(objv[2]), &db) ){
6807     return TCL_ERROR;
6808   }
6809   sqlite3_test_control(SQLITE_TESTCTRL_PRNG_SEED, i, db);
6810   return TCL_OK;
6811 }
6812 
6813 /*
6814 ** tclcmd:  extra_schema_checks BOOLEAN
6815 **
6816 ** Enable or disable schema checks when parsing the sqlite_schema file.
6817 ** This is always enabled in production, but it is sometimes useful to
6818 ** disable the checks in order to make some internal error states reachable
6819 ** for testing.
6820 */
6821 static int SQLITE_TCLAPI extra_schema_checks(
6822   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
6823   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
6824   int objc,              /* Number of arguments */
6825   Tcl_Obj *CONST objv[]  /* Command arguments */
6826 ){
6827   int i = 0;
6828   if( objc!=2 ){
6829     Tcl_WrongNumArgs(interp, 1, objv, "BOOLEAN");
6830     return TCL_ERROR;
6831   }
6832   if( Tcl_GetBooleanFromObj(interp,objv[1],&i) ) return TCL_ERROR;
6833   sqlite3_test_control(SQLITE_TESTCTRL_EXTRA_SCHEMA_CHECKS, i);
6834   return TCL_OK;
6835 }
6836 
6837 /*
6838 ** tclcmd:  database_may_be_corrupt
6839 **
6840 ** Indicate that database files might be corrupt. In other words, set the normal
6841 ** state of operation.
6842 */
6843 static int SQLITE_TCLAPI database_may_be_corrupt(
6844   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
6845   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
6846   int objc,              /* Number of arguments */
6847   Tcl_Obj *CONST objv[]  /* Command arguments */
6848 ){
6849   sqlite3_test_control(SQLITE_TESTCTRL_NEVER_CORRUPT, 0);
6850   return TCL_OK;
6851 }
6852 /*
6853 ** tclcmd:  database_never_corrupt
6854 **
6855 ** Indicate that database files are always well-formed. This enables
6856 ** extra assert() statements that test conditions that are always true
6857 ** for well-formed databases.
6858 */
6859 static int SQLITE_TCLAPI database_never_corrupt(
6860   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
6861   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
6862   int objc,              /* Number of arguments */
6863   Tcl_Obj *CONST objv[]  /* Command arguments */
6864 ){
6865   sqlite3_test_control(SQLITE_TESTCTRL_NEVER_CORRUPT, 1);
6866   return TCL_OK;
6867 }
6868 
6869 /*
6870 ** tclcmd:  pcache_stats
6871 */
6872 static int SQLITE_TCLAPI test_pcache_stats(
6873   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
6874   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
6875   int objc,              /* Number of arguments */
6876   Tcl_Obj *CONST objv[]  /* Command arguments */
6877 ){
6878   int nMin;
6879   int nMax;
6880   int nCurrent;
6881   int nRecyclable;
6882   Tcl_Obj *pRet;
6883 
6884   sqlite3PcacheStats(&nCurrent, &nMax, &nMin, &nRecyclable);
6885 
6886   pRet = Tcl_NewObj();
6887   Tcl_ListObjAppendElement(interp, pRet, Tcl_NewStringObj("current", -1));
6888   Tcl_ListObjAppendElement(interp, pRet, Tcl_NewIntObj(nCurrent));
6889   Tcl_ListObjAppendElement(interp, pRet, Tcl_NewStringObj("max", -1));
6890   Tcl_ListObjAppendElement(interp, pRet, Tcl_NewIntObj(nMax));
6891   Tcl_ListObjAppendElement(interp, pRet, Tcl_NewStringObj("min", -1));
6892   Tcl_ListObjAppendElement(interp, pRet, Tcl_NewIntObj(nMin));
6893   Tcl_ListObjAppendElement(interp, pRet, Tcl_NewStringObj("recyclable", -1));
6894   Tcl_ListObjAppendElement(interp, pRet, Tcl_NewIntObj(nRecyclable));
6895 
6896   Tcl_SetObjResult(interp, pRet);
6897 
6898   return TCL_OK;
6899 }
6900 
6901 #ifdef SQLITE_ENABLE_UNLOCK_NOTIFY
6902 static void test_unlock_notify_cb(void **aArg, int nArg){
6903   int ii;
6904   for(ii=0; ii<nArg; ii++){
6905     Tcl_EvalEx((Tcl_Interp *)aArg[ii], "unlock_notify", -1, TCL_EVAL_GLOBAL);
6906   }
6907 }
6908 #endif /* SQLITE_ENABLE_UNLOCK_NOTIFY */
6909 
6910 /*
6911 ** tclcmd:  sqlite3_unlock_notify db
6912 */
6913 #ifdef SQLITE_ENABLE_UNLOCK_NOTIFY
6914 static int SQLITE_TCLAPI test_unlock_notify(
6915   ClientData clientData, /* Unused */
6916   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
6917   int objc,              /* Number of arguments */
6918   Tcl_Obj *CONST objv[]  /* Command arguments */
6919 ){
6920   sqlite3 *db;
6921   int rc;
6922 
6923   if( objc!=2 ){
6924     Tcl_WrongNumArgs(interp, 1, objv, "DB");
6925     return TCL_ERROR;
6926   }
6927 
6928   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ){
6929     return TCL_ERROR;
6930   }
6931   rc = sqlite3_unlock_notify(db, test_unlock_notify_cb, (void *)interp);
6932   Tcl_SetResult(interp, (char *)t1ErrorName(rc), TCL_STATIC);
6933   return TCL_OK;
6934 }
6935 #endif
6936 
6937 /*
6938 ** tclcmd:  sqlite3_wal_checkpoint db ?NAME?
6939 */
6940 static int SQLITE_TCLAPI test_wal_checkpoint(
6941   ClientData clientData, /* Unused */
6942   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
6943   int objc,              /* Number of arguments */
6944   Tcl_Obj *CONST objv[]  /* Command arguments */
6945 ){
6946   char *zDb = 0;
6947   sqlite3 *db;
6948   int rc;
6949 
6950   if( objc!=3 && objc!=2 ){
6951     Tcl_WrongNumArgs(interp, 1, objv, "DB ?NAME?");
6952     return TCL_ERROR;
6953   }
6954 
6955   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ){
6956     return TCL_ERROR;
6957   }
6958   if( objc==3 ){
6959     zDb = Tcl_GetString(objv[2]);
6960   }
6961   rc = sqlite3_wal_checkpoint(db, zDb);
6962   Tcl_SetResult(interp, (char *)t1ErrorName(rc), TCL_STATIC);
6963   return TCL_OK;
6964 }
6965 
6966 /*
6967 ** tclcmd:  sqlite3_wal_checkpoint_v2 db MODE ?NAME?
6968 **
6969 ** This command calls the wal_checkpoint_v2() function with the specified
6970 ** mode argument (passive, full or restart). If present, the database name
6971 ** NAME is passed as the second argument to wal_checkpoint_v2(). If it the
6972 ** NAME argument is not present, a NULL pointer is passed instead.
6973 **
6974 ** If wal_checkpoint_v2() returns any value other than SQLITE_BUSY or
6975 ** SQLITE_OK, then this command returns TCL_ERROR. The Tcl result is set
6976 ** to the error message obtained from sqlite3_errmsg().
6977 **
6978 ** Otherwise, this command returns a list of three integers. The first integer
6979 ** is 1 if SQLITE_BUSY was returned, or 0 otherwise. The following two integers
6980 ** are the values returned via the output parameters by wal_checkpoint_v2() -
6981 ** the number of frames in the log and the number of frames in the log
6982 ** that have been checkpointed.
6983 */
6984 static int SQLITE_TCLAPI test_wal_checkpoint_v2(
6985   ClientData clientData, /* Unused */
6986   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
6987   int objc,              /* Number of arguments */
6988   Tcl_Obj *CONST objv[]  /* Command arguments */
6989 ){
6990   char *zDb = 0;
6991   sqlite3 *db;
6992   int rc;
6993 
6994   int eMode;
6995   int nLog = -555;
6996   int nCkpt = -555;
6997   Tcl_Obj *pRet;
6998 
6999   const char * aMode[] = { "passive", "full", "restart", "truncate", 0 };
7000   assert( SQLITE_CHECKPOINT_PASSIVE==0 );
7001   assert( SQLITE_CHECKPOINT_FULL==1 );
7002   assert( SQLITE_CHECKPOINT_RESTART==2 );
7003   assert( SQLITE_CHECKPOINT_TRUNCATE==3 );
7004 
7005   if( objc!=3 && objc!=4 ){
7006     Tcl_WrongNumArgs(interp, 1, objv, "DB MODE ?NAME?");
7007     return TCL_ERROR;
7008   }
7009 
7010   if( objc==4 ){
7011     zDb = Tcl_GetString(objv[3]);
7012   }
7013   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) || (
7014       TCL_OK!=Tcl_GetIntFromObj(0, objv[2], &eMode)
7015    && TCL_OK!=Tcl_GetIndexFromObj(interp, objv[2], aMode, "mode", 0, &eMode)
7016   )){
7017     return TCL_ERROR;
7018   }
7019 
7020   rc = sqlite3_wal_checkpoint_v2(db, zDb, eMode, &nLog, &nCkpt);
7021   if( rc!=SQLITE_OK && rc!=SQLITE_BUSY ){
7022     const char *zErrCode = sqlite3ErrName(rc);
7023     Tcl_ResetResult(interp);
7024     Tcl_AppendResult(interp, zErrCode, " - ", (char *)sqlite3_errmsg(db), 0);
7025     return TCL_ERROR;
7026   }
7027 
7028   pRet = Tcl_NewObj();
7029   Tcl_ListObjAppendElement(interp, pRet, Tcl_NewIntObj(rc==SQLITE_BUSY?1:0));
7030   Tcl_ListObjAppendElement(interp, pRet, Tcl_NewIntObj(nLog));
7031   Tcl_ListObjAppendElement(interp, pRet, Tcl_NewIntObj(nCkpt));
7032   Tcl_SetObjResult(interp, pRet);
7033 
7034   return TCL_OK;
7035 }
7036 
7037 /*
7038 ** tclcmd:  sqlite3_wal_autocheckpoint db VALUE
7039 */
7040 static int SQLITE_TCLAPI test_wal_autocheckpoint(
7041   ClientData clientData, /* Unused */
7042   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
7043   int objc,              /* Number of arguments */
7044   Tcl_Obj *CONST objv[]  /* Command arguments */
7045 ){
7046   sqlite3 *db;
7047   int rc;
7048   int iVal;
7049 
7050 
7051   if( objc!=3 ){
7052     Tcl_WrongNumArgs(interp, 1, objv, "DB VALUE");
7053     return TCL_ERROR;
7054   }
7055 
7056   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db)
7057    || Tcl_GetIntFromObj(0, objv[2], &iVal)
7058   ){
7059     return TCL_ERROR;
7060   }
7061 
7062   rc = sqlite3_wal_autocheckpoint(db, iVal);
7063   Tcl_ResetResult(interp);
7064   if( rc!=SQLITE_OK ){
7065     const char *zErrCode = sqlite3ErrName(rc);
7066     Tcl_SetObjResult(interp, Tcl_NewStringObj(zErrCode, -1));
7067     return TCL_ERROR;
7068   }
7069 
7070   return TCL_OK;
7071 }
7072 
7073 
7074 /*
7075 ** tclcmd:  test_sqlite3_log ?SCRIPT?
7076 */
7077 static struct LogCallback {
7078   Tcl_Interp *pInterp;
7079   Tcl_Obj *pObj;
7080 } logcallback = {0, 0};
7081 static void xLogcallback(void *unused, int err, char *zMsg){
7082   Tcl_Obj *pNew = Tcl_DuplicateObj(logcallback.pObj);
7083   Tcl_IncrRefCount(pNew);
7084   Tcl_ListObjAppendElement(
7085       0, pNew, Tcl_NewStringObj(sqlite3ErrName(err), -1)
7086   );
7087   Tcl_ListObjAppendElement(0, pNew, Tcl_NewStringObj(zMsg, -1));
7088   Tcl_EvalObjEx(logcallback.pInterp, pNew, TCL_EVAL_GLOBAL|TCL_EVAL_DIRECT);
7089   Tcl_DecrRefCount(pNew);
7090 }
7091 static int SQLITE_TCLAPI test_sqlite3_log(
7092   ClientData clientData,
7093   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
7094   int objc,              /* Number of arguments */
7095   Tcl_Obj *CONST objv[]  /* Command arguments */
7096 ){
7097   if( objc>2 ){
7098     Tcl_WrongNumArgs(interp, 1, objv, "SCRIPT");
7099     return TCL_ERROR;
7100   }
7101   if( logcallback.pObj ){
7102     Tcl_DecrRefCount(logcallback.pObj);
7103     logcallback.pObj = 0;
7104     logcallback.pInterp = 0;
7105     sqlite3_config(SQLITE_CONFIG_LOG, (void*)0, (void*)0);
7106   }
7107   if( objc>1 ){
7108     logcallback.pObj = objv[1];
7109     Tcl_IncrRefCount(logcallback.pObj);
7110     logcallback.pInterp = interp;
7111     sqlite3_config(SQLITE_CONFIG_LOG, xLogcallback, (void*)0);
7112   }
7113   return TCL_OK;
7114 }
7115 
7116 /*
7117 **     tcl_objproc COMMANDNAME ARGS...
7118 **
7119 ** Run a TCL command using its objProc interface.  Throw an error if
7120 ** the command has no objProc interface.
7121 */
7122 static int SQLITE_TCLAPI runAsObjProc(
7123   void * clientData,
7124   Tcl_Interp *interp,
7125   int objc,
7126   Tcl_Obj *CONST objv[]
7127 ){
7128   Tcl_CmdInfo cmdInfo;
7129   if( objc<2 ){
7130     Tcl_WrongNumArgs(interp, 1, objv, "COMMAND ...");
7131     return TCL_ERROR;
7132   }
7133   if( !Tcl_GetCommandInfo(interp, Tcl_GetString(objv[1]), &cmdInfo) ){
7134     Tcl_AppendResult(interp, "command not found: ",
7135            Tcl_GetString(objv[1]), (char*)0);
7136     return TCL_ERROR;
7137   }
7138   if( cmdInfo.objProc==0 ){
7139     Tcl_AppendResult(interp, "command has no objProc: ",
7140            Tcl_GetString(objv[1]), (char*)0);
7141     return TCL_ERROR;
7142   }
7143   return cmdInfo.objProc(cmdInfo.objClientData, interp, objc-1, objv+1);
7144 }
7145 
7146 #ifndef SQLITE_OMIT_EXPLAIN
7147 /*
7148 ** WARNING: The following function, printExplainQueryPlan() is an exact
7149 ** copy of example code from eqp.in (eqp.html). If this code is modified,
7150 ** then the documentation copy needs to be modified as well.
7151 */
7152 /*
7153 ** Argument pStmt is a prepared SQL statement. This function compiles
7154 ** an EXPLAIN QUERY PLAN command to report on the prepared statement,
7155 ** and prints the report to stdout using printf().
7156 */
7157 int printExplainQueryPlan(sqlite3_stmt *pStmt){
7158   const char *zSql;               /* Input SQL */
7159   char *zExplain;                 /* SQL with EXPLAIN QUERY PLAN prepended */
7160   sqlite3_stmt *pExplain;         /* Compiled EXPLAIN QUERY PLAN command */
7161   int rc;                         /* Return code from sqlite3_prepare_v2() */
7162 
7163   zSql = sqlite3_sql(pStmt);
7164   if( zSql==0 ) return SQLITE_ERROR;
7165 
7166   zExplain = sqlite3_mprintf("EXPLAIN QUERY PLAN %s", zSql);
7167   if( zExplain==0 ) return SQLITE_NOMEM;
7168 
7169   rc = sqlite3_prepare_v2(sqlite3_db_handle(pStmt), zExplain, -1, &pExplain, 0);
7170   sqlite3_free(zExplain);
7171   if( rc!=SQLITE_OK ) return rc;
7172 
7173   while( SQLITE_ROW==sqlite3_step(pExplain) ){
7174     int iSelectid = sqlite3_column_int(pExplain, 0);
7175     int iOrder = sqlite3_column_int(pExplain, 1);
7176     int iFrom = sqlite3_column_int(pExplain, 2);
7177     const char *zDetail = (const char *)sqlite3_column_text(pExplain, 3);
7178 
7179     printf("%d %d %d %s\n", iSelectid, iOrder, iFrom, zDetail);
7180   }
7181 
7182   return sqlite3_finalize(pExplain);
7183 }
7184 
7185 static int SQLITE_TCLAPI test_print_eqp(
7186   void * clientData,
7187   Tcl_Interp *interp,
7188   int objc,
7189   Tcl_Obj *CONST objv[]
7190 ){
7191   int rc;
7192   sqlite3_stmt *pStmt;
7193 
7194   if( objc!=2 ){
7195     Tcl_WrongNumArgs(interp, 1, objv, "STMT");
7196     return TCL_ERROR;
7197   }
7198   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
7199   rc = printExplainQueryPlan(pStmt);
7200   /* This is needed on Windows so that a test case using this
7201   ** function can open a read pipe and get the output of
7202   ** printExplainQueryPlan() immediately.
7203   */
7204   fflush(stdout);
7205   Tcl_SetResult(interp, (char *)t1ErrorName(rc), 0);
7206   return TCL_OK;
7207 }
7208 #endif /* SQLITE_OMIT_EXPLAIN */
7209 
7210 #include <time.h>
7211 /*
7212 ** This is an alternative localtime_r() implementation used for testing
7213 ** the 'localtime' and 'utc' modifiers of date-time functions.  Because
7214 ** the OS-supplied localtime_r() is locale-dependent, this alternative is
7215 ** provided as a stable test platform.
7216 **
7217 ** Operation:
7218 **
7219 **     (1)  Localtime is 30 minutes earlier than (west of) UTC on
7220 **          even days (counting from 1970-01-01)
7221 **
7222 **     (2)  Localtime is 30 minutes later than (east of) UTC on odd days.
7223 **
7224 **     (3)  The function fails for the specific date/time value
7225 **          of 2000-05-29 14:16:00 in order to test the ability of
7226 **          SQLite to deal with localtime_r() failures.
7227 */
7228 static int testLocaltime(const void *aliasT, void *aliasTM){
7229   const time_t t = *(const time_t*)aliasT;
7230   struct tm *pTm = (struct tm *)aliasTM;
7231   time_t altT;
7232   sqlite3_int64 iJD;
7233   int Z, A, B, C, D, E, X1, S;
7234 
7235   if( (t/86400) & 1 ){
7236     altT = t + 1800;  /* 30 minutes later on odd days */
7237   }else{
7238     altT = t - 1800;  /* 30 minutes earlier on even days */
7239   }
7240   iJD = (sqlite3_int64)(altT + 210866760000);
7241   Z = (int)((iJD + 43200)/86400);
7242   A = (int)((Z - 1867216.25)/36524.25);
7243   A = Z + 1 + A - (A/4);
7244   B = A + 1524;
7245   C = (int)((B - 122.1)/365.25);
7246   D = (36525*(C&32767))/100;
7247   E = (int)((B-D)/30.6001);
7248   X1 = (int)(30.6001*E);
7249   pTm->tm_mday = B - D - X1;
7250   pTm->tm_mon = E<14 ? E-2 : E-14;
7251   pTm->tm_year = (pTm->tm_mon>1 ? C - 4716 : C - 4715) - 1900;
7252   S = (int)((iJD + 43200)%86400);
7253   pTm->tm_hour = S/3600;
7254   pTm->tm_min = (S/60)%60;
7255   pTm->tm_sec = S % 60;
7256   return t==959609760; /* Special case: 2000-05-29 14:16:00 fails */
7257 }
7258 
7259 /*
7260 ** sqlite3_test_control VERB ARGS...
7261 */
7262 static int SQLITE_TCLAPI test_test_control(
7263   void * clientData,
7264   Tcl_Interp *interp,
7265   int objc,
7266   Tcl_Obj *CONST objv[]
7267 ){
7268   struct Verb {
7269     const char *zName;
7270     int i;
7271   } aVerb[] = {
7272     { "SQLITE_TESTCTRL_LOCALTIME_FAULT",    SQLITE_TESTCTRL_LOCALTIME_FAULT },
7273     { "SQLITE_TESTCTRL_SORTER_MMAP",        SQLITE_TESTCTRL_SORTER_MMAP     },
7274     { "SQLITE_TESTCTRL_IMPOSTER",           SQLITE_TESTCTRL_IMPOSTER        },
7275     { "SQLITE_TESTCTRL_INTERNAL_FUNCTIONS", SQLITE_TESTCTRL_INTERNAL_FUNCTIONS},
7276   };
7277   int iVerb;
7278   int iFlag;
7279   int rc;
7280 
7281   if( objc<2 ){
7282     Tcl_WrongNumArgs(interp, 1, objv, "VERB ARGS...");
7283     return TCL_ERROR;
7284   }
7285 
7286   rc = Tcl_GetIndexFromObjStruct(
7287       interp, objv[1], aVerb, sizeof(aVerb[0]), "VERB", 0, &iVerb
7288   );
7289   if( rc!=TCL_OK ) return rc;
7290 
7291   iFlag = aVerb[iVerb].i;
7292   switch( iFlag ){
7293     case SQLITE_TESTCTRL_INTERNAL_FUNCTIONS: {
7294       sqlite3 *db = 0;
7295       if( objc!=3 ){
7296         Tcl_WrongNumArgs(interp, 2, objv, "DB");
7297         return TCL_ERROR;
7298       }
7299       if( getDbPointer(interp, Tcl_GetString(objv[2]), &db) ) return TCL_ERROR;
7300       sqlite3_test_control(SQLITE_TESTCTRL_INTERNAL_FUNCTIONS, db);
7301       break;
7302     }
7303     case SQLITE_TESTCTRL_LOCALTIME_FAULT: {
7304       int val;
7305       if( objc!=3 ){
7306         Tcl_WrongNumArgs(interp, 2, objv, "0|1|2");
7307         return TCL_ERROR;
7308       }
7309       if( Tcl_GetIntFromObj(interp, objv[2], &val) ) return TCL_ERROR;
7310       sqlite3_test_control(iFlag, val, testLocaltime);
7311       break;
7312     }
7313 
7314     case SQLITE_TESTCTRL_SORTER_MMAP: {
7315       int val;
7316       sqlite3 *db;
7317       if( objc!=4 ){
7318         Tcl_WrongNumArgs(interp, 2, objv, "DB LIMIT");
7319         return TCL_ERROR;
7320       }
7321       if( getDbPointer(interp, Tcl_GetString(objv[2]), &db) ) return TCL_ERROR;
7322       if( Tcl_GetIntFromObj(interp, objv[3], &val) ) return TCL_ERROR;
7323       sqlite3_test_control(SQLITE_TESTCTRL_SORTER_MMAP, db, val);
7324       break;
7325     }
7326 
7327     case SQLITE_TESTCTRL_IMPOSTER: {
7328       int onOff, tnum;
7329       const char *zDbName;
7330       sqlite3 *db;
7331       if( objc!=6 ){
7332         Tcl_WrongNumArgs(interp, 2, objv, "DB dbName onOff tnum");
7333         return TCL_ERROR;
7334       }
7335       if( getDbPointer(interp, Tcl_GetString(objv[2]), &db) ) return TCL_ERROR;
7336       zDbName = Tcl_GetString(objv[3]);
7337       if( Tcl_GetIntFromObj(interp, objv[4], &onOff) ) return TCL_ERROR;
7338       if( Tcl_GetIntFromObj(interp, objv[5], &tnum) ) return TCL_ERROR;
7339       sqlite3_test_control(SQLITE_TESTCTRL_IMPOSTER, db, zDbName, onOff, tnum);
7340       break;
7341     }
7342   }
7343 
7344   Tcl_ResetResult(interp);
7345   return TCL_OK;
7346 }
7347 
7348 #if SQLITE_OS_UNIX
7349 #include <sys/time.h>
7350 #include <sys/resource.h>
7351 
7352 static int SQLITE_TCLAPI test_getrusage(
7353   void * clientData,
7354   Tcl_Interp *interp,
7355   int objc,
7356   Tcl_Obj *CONST objv[]
7357 ){
7358   char buf[1024];
7359   struct rusage r;
7360   memset(&r, 0, sizeof(r));
7361   getrusage(RUSAGE_SELF, &r);
7362 
7363   sqlite3_snprintf(sizeof(buf), buf,
7364     "ru_utime=%d.%06d ru_stime=%d.%06d ru_minflt=%d ru_majflt=%d",
7365     (int)r.ru_utime.tv_sec, (int)r.ru_utime.tv_usec,
7366     (int)r.ru_stime.tv_sec, (int)r.ru_stime.tv_usec,
7367     (int)r.ru_minflt, (int)r.ru_majflt
7368   );
7369   Tcl_SetObjResult(interp, Tcl_NewStringObj(buf, -1));
7370   return TCL_OK;
7371 }
7372 #endif
7373 
7374 #if SQLITE_OS_WIN
7375 /*
7376 ** Information passed from the main thread into the windows file locker
7377 ** background thread.
7378 */
7379 struct win32FileLocker {
7380   char *evName;       /* Name of event to signal thread startup */
7381   HANDLE h;           /* Handle of the file to be locked */
7382   int delay1;         /* Delay before locking */
7383   int delay2;         /* Delay before unlocking */
7384   int ok;             /* Finished ok */
7385   int err;            /* True if an error occurs */
7386 };
7387 #endif
7388 
7389 
7390 #if SQLITE_OS_WIN
7391 #include <process.h>
7392 /*
7393 ** The background thread that does file locking.
7394 */
7395 static void SQLITE_CDECL win32_file_locker(void *pAppData){
7396   struct win32FileLocker *p = (struct win32FileLocker*)pAppData;
7397   if( p->evName ){
7398     HANDLE ev = OpenEvent(EVENT_MODIFY_STATE, FALSE, p->evName);
7399     if ( ev ){
7400       SetEvent(ev);
7401       CloseHandle(ev);
7402     }
7403   }
7404   if( p->delay1 ) Sleep(p->delay1);
7405   if( LockFile(p->h, 0, 0, 100000000, 0) ){
7406     Sleep(p->delay2);
7407     UnlockFile(p->h, 0, 0, 100000000, 0);
7408     p->ok = 1;
7409   }else{
7410     p->err = 1;
7411   }
7412   CloseHandle(p->h);
7413   p->h = 0;
7414   p->delay1 = 0;
7415   p->delay2 = 0;
7416 }
7417 #endif
7418 
7419 #if SQLITE_OS_WIN
7420 /*
7421 **      lock_win32_file FILENAME DELAY1 DELAY2
7422 **
7423 ** Get an exclusive manditory lock on file for DELAY2 milliseconds.
7424 ** Wait DELAY1 milliseconds before acquiring the lock.
7425 */
7426 static int SQLITE_TCLAPI win32_file_lock(
7427   void * clientData,
7428   Tcl_Interp *interp,
7429   int objc,
7430   Tcl_Obj *CONST objv[]
7431 ){
7432   static struct win32FileLocker x = { "win32_file_lock", 0, 0, 0, 0, 0 };
7433   const char *zFilename;
7434   char zBuf[200];
7435   int retry = 0;
7436   HANDLE ev;
7437   DWORD wResult;
7438 
7439   if( objc!=4 && objc!=1 ){
7440     Tcl_WrongNumArgs(interp, 1, objv, "FILENAME DELAY1 DELAY2");
7441     return TCL_ERROR;
7442   }
7443   if( objc==1 ){
7444     sqlite3_snprintf(sizeof(zBuf), zBuf, "%d %d %d %d %d",
7445                      x.ok, x.err, x.delay1, x.delay2, x.h);
7446     Tcl_AppendResult(interp, zBuf, (char*)0);
7447     return TCL_OK;
7448   }
7449   while( x.h && retry<30 ){
7450     retry++;
7451     Sleep(100);
7452   }
7453   if( x.h ){
7454     Tcl_AppendResult(interp, "busy", (char*)0);
7455     return TCL_ERROR;
7456   }
7457   if( Tcl_GetIntFromObj(interp, objv[2], &x.delay1) ) return TCL_ERROR;
7458   if( Tcl_GetIntFromObj(interp, objv[3], &x.delay2) ) return TCL_ERROR;
7459   zFilename = Tcl_GetString(objv[1]);
7460   x.h = CreateFile(zFilename, GENERIC_READ|GENERIC_WRITE,
7461               FILE_SHARE_READ|FILE_SHARE_WRITE, 0, OPEN_ALWAYS,
7462               FILE_ATTRIBUTE_NORMAL, 0);
7463   if( !x.h ){
7464     Tcl_AppendResult(interp, "cannot open file: ", zFilename, (char*)0);
7465     return TCL_ERROR;
7466   }
7467   ev = CreateEvent(NULL, TRUE, FALSE, x.evName);
7468   if ( !ev ){
7469     Tcl_AppendResult(interp, "cannot create event: ", x.evName, (char*)0);
7470     return TCL_ERROR;
7471   }
7472   _beginthread(win32_file_locker, 0, (void*)&x);
7473   Sleep(0);
7474   if ( (wResult = WaitForSingleObject(ev, 10000))!=WAIT_OBJECT_0 ){
7475     sqlite3_snprintf(sizeof(zBuf), zBuf, "0x%x", wResult);
7476     Tcl_AppendResult(interp, "wait failed: ", zBuf, (char*)0);
7477     CloseHandle(ev);
7478     return TCL_ERROR;
7479   }
7480   CloseHandle(ev);
7481   return TCL_OK;
7482 }
7483 
7484 /*
7485 **      exists_win32_path PATH
7486 **
7487 ** Returns non-zero if the specified path exists, whose fully qualified name
7488 ** may exceed 260 characters if it is prefixed with "\\?\".
7489 */
7490 static int SQLITE_TCLAPI win32_exists_path(
7491   void *clientData,
7492   Tcl_Interp *interp,
7493   int objc,
7494   Tcl_Obj *CONST objv[]
7495 ){
7496   if( objc!=2 ){
7497     Tcl_WrongNumArgs(interp, 1, objv, "PATH");
7498     return TCL_ERROR;
7499   }
7500   Tcl_SetObjResult(interp, Tcl_NewBooleanObj(
7501       GetFileAttributesW( Tcl_GetUnicode(objv[1]))!=INVALID_FILE_ATTRIBUTES ));
7502   return TCL_OK;
7503 }
7504 
7505 /*
7506 **      find_win32_file PATTERN
7507 **
7508 ** Returns a list of entries in a directory that match the specified pattern,
7509 ** whose fully qualified name may exceed 248 characters if it is prefixed with
7510 ** "\\?\".
7511 */
7512 static int SQLITE_TCLAPI win32_find_file(
7513   void *clientData,
7514   Tcl_Interp *interp,
7515   int objc,
7516   Tcl_Obj *CONST objv[]
7517 ){
7518   HANDLE hFindFile = INVALID_HANDLE_VALUE;
7519   WIN32_FIND_DATAW findData;
7520   Tcl_Obj *listObj;
7521   DWORD lastErrno;
7522   if( objc!=2 ){
7523     Tcl_WrongNumArgs(interp, 1, objv, "PATTERN");
7524     return TCL_ERROR;
7525   }
7526   hFindFile = FindFirstFileW(Tcl_GetUnicode(objv[1]), &findData);
7527   if( hFindFile==INVALID_HANDLE_VALUE ){
7528     Tcl_SetObjResult(interp, Tcl_NewWideIntObj(GetLastError()));
7529     return TCL_ERROR;
7530   }
7531   listObj = Tcl_NewObj();
7532   Tcl_IncrRefCount(listObj);
7533   do {
7534     Tcl_ListObjAppendElement(interp, listObj, Tcl_NewUnicodeObj(
7535         findData.cFileName, -1));
7536     Tcl_ListObjAppendElement(interp, listObj, Tcl_NewWideIntObj(
7537         findData.dwFileAttributes));
7538   } while( FindNextFileW(hFindFile, &findData) );
7539   lastErrno = GetLastError();
7540   if( lastErrno!=NO_ERROR && lastErrno!=ERROR_NO_MORE_FILES ){
7541     FindClose(hFindFile);
7542     Tcl_DecrRefCount(listObj);
7543     Tcl_SetObjResult(interp, Tcl_NewWideIntObj(GetLastError()));
7544     return TCL_ERROR;
7545   }
7546   FindClose(hFindFile);
7547   Tcl_SetObjResult(interp, listObj);
7548   return TCL_OK;
7549 }
7550 
7551 /*
7552 **      delete_win32_file FILENAME
7553 **
7554 ** Deletes the specified file, whose fully qualified name may exceed 260
7555 ** characters if it is prefixed with "\\?\".
7556 */
7557 static int SQLITE_TCLAPI win32_delete_file(
7558   void *clientData,
7559   Tcl_Interp *interp,
7560   int objc,
7561   Tcl_Obj *CONST objv[]
7562 ){
7563   if( objc!=2 ){
7564     Tcl_WrongNumArgs(interp, 1, objv, "FILENAME");
7565     return TCL_ERROR;
7566   }
7567   if( !DeleteFileW(Tcl_GetUnicode(objv[1])) ){
7568     Tcl_SetObjResult(interp, Tcl_NewWideIntObj(GetLastError()));
7569     return TCL_ERROR;
7570   }
7571   Tcl_ResetResult(interp);
7572   return TCL_OK;
7573 }
7574 
7575 /*
7576 **      make_win32_dir DIRECTORY
7577 **
7578 ** Creates the specified directory, whose fully qualified name may exceed 248
7579 ** characters if it is prefixed with "\\?\".
7580 */
7581 static int SQLITE_TCLAPI win32_mkdir(
7582   void *clientData,
7583   Tcl_Interp *interp,
7584   int objc,
7585   Tcl_Obj *CONST objv[]
7586 ){
7587   if( objc!=2 ){
7588     Tcl_WrongNumArgs(interp, 1, objv, "DIRECTORY");
7589     return TCL_ERROR;
7590   }
7591   if( !CreateDirectoryW(Tcl_GetUnicode(objv[1]), NULL) ){
7592     Tcl_SetObjResult(interp, Tcl_NewWideIntObj(GetLastError()));
7593     return TCL_ERROR;
7594   }
7595   Tcl_ResetResult(interp);
7596   return TCL_OK;
7597 }
7598 
7599 /*
7600 **      remove_win32_dir DIRECTORY
7601 **
7602 ** Removes the specified directory, whose fully qualified name may exceed 248
7603 ** characters if it is prefixed with "\\?\".
7604 */
7605 static int SQLITE_TCLAPI win32_rmdir(
7606   void *clientData,
7607   Tcl_Interp *interp,
7608   int objc,
7609   Tcl_Obj *CONST objv[]
7610 ){
7611   if( objc!=2 ){
7612     Tcl_WrongNumArgs(interp, 1, objv, "DIRECTORY");
7613     return TCL_ERROR;
7614   }
7615   if( !RemoveDirectoryW(Tcl_GetUnicode(objv[1])) ){
7616     Tcl_SetObjResult(interp, Tcl_NewWideIntObj(GetLastError()));
7617     return TCL_ERROR;
7618   }
7619   Tcl_ResetResult(interp);
7620   return TCL_OK;
7621 }
7622 #endif
7623 
7624 
7625 /*
7626 **      optimization_control DB OPT BOOLEAN
7627 **
7628 ** Enable or disable query optimizations using the sqlite3_test_control()
7629 ** interface.  Disable if BOOLEAN is false and enable if BOOLEAN is true.
7630 ** OPT is the name of the optimization to be disabled.
7631 */
7632 static int SQLITE_TCLAPI optimization_control(
7633   void * clientData,
7634   Tcl_Interp *interp,
7635   int objc,
7636   Tcl_Obj *CONST objv[]
7637 ){
7638   int i;
7639   sqlite3 *db;
7640   const char *zOpt;
7641   int onoff;
7642   int mask = 0;
7643   static const struct {
7644     const char *zOptName;
7645     int mask;
7646   } aOpt[] = {
7647     { "all",                 SQLITE_AllOpts        },
7648     { "none",                0                     },
7649     { "query-flattener",     SQLITE_QueryFlattener },
7650     { "groupby-order",       SQLITE_GroupByOrder   },
7651     { "factor-constants",    SQLITE_FactorOutConst },
7652     { "distinct-opt",        SQLITE_DistinctOpt    },
7653     { "cover-idx-scan",      SQLITE_CoverIdxScan   },
7654     { "order-by-idx-join",   SQLITE_OrderByIdxJoin },
7655     { "transitive",          SQLITE_Transitive     },
7656     { "omit-noop-join",      SQLITE_OmitNoopJoin   },
7657     { "stat4",               SQLITE_Stat4          },
7658     { "skip-scan",           SQLITE_SkipScan       },
7659     { "push-down",           SQLITE_PushDown       },
7660     { "balanced-merge",      SQLITE_BalancedMerge  },
7661   };
7662 
7663   if( objc!=4 ){
7664     Tcl_WrongNumArgs(interp, 1, objv, "DB OPT BOOLEAN");
7665     return TCL_ERROR;
7666   }
7667   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
7668   if( Tcl_GetBooleanFromObj(interp, objv[3], &onoff) ) return TCL_ERROR;
7669   zOpt = Tcl_GetString(objv[2]);
7670   for(i=0; i<sizeof(aOpt)/sizeof(aOpt[0]); i++){
7671     if( strcmp(zOpt, aOpt[i].zOptName)==0 ){
7672       mask = aOpt[i].mask;
7673       break;
7674     }
7675   }
7676   if( onoff ) mask = ~mask;
7677   if( i>=sizeof(aOpt)/sizeof(aOpt[0]) ){
7678     Tcl_AppendResult(interp, "unknown optimization - should be one of:",
7679                      (char*)0);
7680     for(i=0; i<sizeof(aOpt)/sizeof(aOpt[0]); i++){
7681       Tcl_AppendResult(interp, " ", aOpt[i].zOptName, (char*)0);
7682     }
7683     return TCL_ERROR;
7684   }
7685   sqlite3_test_control(SQLITE_TESTCTRL_OPTIMIZATIONS, db, mask);
7686   return TCL_OK;
7687 }
7688 
7689 /*
7690 **     load_static_extension DB NAME ...
7691 **
7692 ** Load one or more statically linked extensions.
7693 */
7694 static int SQLITE_TCLAPI tclLoadStaticExtensionCmd(
7695   void * clientData,
7696   Tcl_Interp *interp,
7697   int objc,
7698   Tcl_Obj *CONST objv[]
7699 ){
7700   extern int sqlite3_amatch_init(sqlite3*,char**,const sqlite3_api_routines*);
7701   extern int sqlite3_appendvfs_init(sqlite3*,char**,const sqlite3_api_routines*);
7702   extern int sqlite3_carray_init(sqlite3*,char**,const sqlite3_api_routines*);
7703   extern int sqlite3_closure_init(sqlite3*,char**,const sqlite3_api_routines*);
7704   extern int sqlite3_csv_init(sqlite3*,char**,const sqlite3_api_routines*);
7705   extern int sqlite3_eval_init(sqlite3*,char**,const sqlite3_api_routines*);
7706   extern int sqlite3_explain_init(sqlite3*,char**,const sqlite3_api_routines*);
7707   extern int sqlite3_fileio_init(sqlite3*,char**,const sqlite3_api_routines*);
7708   extern int sqlite3_decimal_init(sqlite3*,char**,const sqlite3_api_routines*);
7709   extern int sqlite3_fuzzer_init(sqlite3*,char**,const sqlite3_api_routines*);
7710   extern int sqlite3_ieee_init(sqlite3*,char**,const sqlite3_api_routines*);
7711   extern int sqlite3_nextchar_init(sqlite3*,char**,const sqlite3_api_routines*);
7712   extern int sqlite3_percentile_init(sqlite3*,char**,const sqlite3_api_routines*);
7713 #ifndef SQLITE_OMIT_VIRTUALTABLE
7714   extern int sqlite3_prefixes_init(sqlite3*,char**,const sqlite3_api_routines*);
7715 #endif
7716   extern int sqlite3_qpvtab_init(sqlite3*,char**,const sqlite3_api_routines*);
7717   extern int sqlite3_regexp_init(sqlite3*,char**,const sqlite3_api_routines*);
7718   extern int sqlite3_remember_init(sqlite3*,char**,const sqlite3_api_routines*);
7719   extern int sqlite3_series_init(sqlite3*,char**,const sqlite3_api_routines*);
7720   extern int sqlite3_spellfix_init(sqlite3*,char**,const sqlite3_api_routines*);
7721   extern int sqlite3_totype_init(sqlite3*,char**,const sqlite3_api_routines*);
7722   extern int sqlite3_wholenumber_init(sqlite3*,char**,const sqlite3_api_routines*);
7723   extern int sqlite3_unionvtab_init(sqlite3*,char**,const sqlite3_api_routines*);
7724 #ifdef SQLITE_HAVE_ZLIB
7725   extern int sqlite3_zipfile_init(sqlite3*,char**,const sqlite3_api_routines*);
7726 #endif
7727   static const struct {
7728     const char *zExtName;
7729     int (*pInit)(sqlite3*,char**,const sqlite3_api_routines*);
7730   } aExtension[] = {
7731     { "amatch",                sqlite3_amatch_init               },
7732     { "appendvfs",             sqlite3_appendvfs_init            },
7733     { "carray",                sqlite3_carray_init               },
7734     { "closure",               sqlite3_closure_init              },
7735     { "csv",                   sqlite3_csv_init                  },
7736     { "decimal",               sqlite3_decimal_init              },
7737     { "eval",                  sqlite3_eval_init                 },
7738     { "explain",               sqlite3_explain_init              },
7739     { "fileio",                sqlite3_fileio_init               },
7740     { "fuzzer",                sqlite3_fuzzer_init               },
7741     { "ieee754",               sqlite3_ieee_init                 },
7742     { "nextchar",              sqlite3_nextchar_init             },
7743     { "percentile",            sqlite3_percentile_init           },
7744 #ifndef SQLITE_OMIT_VIRTUALTABLE
7745     { "prefixes",              sqlite3_prefixes_init             },
7746 #endif
7747     { "qpvtab",                sqlite3_qpvtab_init               },
7748     { "regexp",                sqlite3_regexp_init               },
7749     { "remember",              sqlite3_remember_init             },
7750     { "series",                sqlite3_series_init               },
7751     { "spellfix",              sqlite3_spellfix_init             },
7752     { "totype",                sqlite3_totype_init               },
7753     { "unionvtab",             sqlite3_unionvtab_init            },
7754     { "wholenumber",           sqlite3_wholenumber_init          },
7755 #ifdef SQLITE_HAVE_ZLIB
7756     { "zipfile",               sqlite3_zipfile_init              },
7757 #endif
7758   };
7759   sqlite3 *db;
7760   const char *zName;
7761   int i, j, rc;
7762   char *zErrMsg = 0;
7763   if( objc<3 ){
7764     Tcl_WrongNumArgs(interp, 1, objv, "DB NAME ...");
7765     return TCL_ERROR;
7766   }
7767   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
7768   for(j=2; j<objc; j++){
7769     zName = Tcl_GetString(objv[j]);
7770     for(i=0; i<ArraySize(aExtension); i++){
7771       if( strcmp(zName, aExtension[i].zExtName)==0 ) break;
7772     }
7773     if( i>=ArraySize(aExtension) ){
7774       Tcl_AppendResult(interp, "no such extension: ", zName, (char*)0);
7775       return TCL_ERROR;
7776     }
7777     if( aExtension[i].pInit ){
7778       rc = aExtension[i].pInit(db, &zErrMsg, 0);
7779     }else{
7780       rc = SQLITE_OK;
7781     }
7782     if( (rc!=SQLITE_OK && rc!=SQLITE_OK_LOAD_PERMANENTLY) || zErrMsg ){
7783       Tcl_AppendResult(interp, "initialization of ", zName, " failed: ", zErrMsg,
7784                        (char*)0);
7785       sqlite3_free(zErrMsg);
7786       return TCL_ERROR;
7787     }
7788   }
7789   return TCL_OK;
7790 }
7791 
7792 /*
7793 **     sorter_test_fakeheap BOOL
7794 **
7795 */
7796 static int SQLITE_TCLAPI sorter_test_fakeheap(
7797   void * clientData,
7798   Tcl_Interp *interp,
7799   int objc,
7800   Tcl_Obj *CONST objv[]
7801 ){
7802   int bArg;
7803   if( objc!=2 ){
7804     Tcl_WrongNumArgs(interp, 1, objv, "BOOL");
7805     return TCL_ERROR;
7806   }
7807 
7808   if( Tcl_GetBooleanFromObj(interp, objv[1], &bArg) ){
7809     return TCL_ERROR;
7810   }
7811 
7812   if( bArg ){
7813     if( sqlite3GlobalConfig.pHeap==0 ){
7814       sqlite3GlobalConfig.pHeap = SQLITE_INT_TO_PTR(-1);
7815     }
7816   }else{
7817     if( sqlite3GlobalConfig.pHeap==SQLITE_INT_TO_PTR(-1) ){
7818       sqlite3GlobalConfig.pHeap = 0;
7819     }
7820   }
7821 
7822   Tcl_ResetResult(interp);
7823   return TCL_OK;
7824 }
7825 
7826 /*
7827 **     sorter_test_sort4_helper DB SQL1 NSTEP SQL2
7828 **
7829 ** Compile SQL statement $SQL1 and step it $NSTEP times. For each row,
7830 ** check that the leftmost and rightmost columns returned are both integers,
7831 ** and that both contain the same value.
7832 **
7833 ** Then execute statement $SQL2. Check that the statement returns the same
7834 ** set of integers in the same order as in the previous step (using $SQL1).
7835 */
7836 static int SQLITE_TCLAPI sorter_test_sort4_helper(
7837   void * clientData,
7838   Tcl_Interp *interp,
7839   int objc,
7840   Tcl_Obj *CONST objv[]
7841 ){
7842   const char *zSql1;
7843   const char *zSql2;
7844   int nStep;
7845   int iStep;
7846   unsigned int iCksum1 = 0;
7847   unsigned int iCksum2 = 0;
7848   int rc;
7849   int iB;
7850   sqlite3 *db;
7851   sqlite3_stmt *pStmt;
7852 
7853   if( objc!=5 ){
7854     Tcl_WrongNumArgs(interp, 1, objv, "DB SQL1 NSTEP SQL2");
7855     return TCL_ERROR;
7856   }
7857 
7858   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
7859   zSql1 = Tcl_GetString(objv[2]);
7860   if( Tcl_GetIntFromObj(interp, objv[3], &nStep) ) return TCL_ERROR;
7861   zSql2 = Tcl_GetString(objv[4]);
7862 
7863   rc = sqlite3_prepare_v2(db, zSql1, -1, &pStmt, 0);
7864   if( rc!=SQLITE_OK ) goto sql_error;
7865 
7866   iB = sqlite3_column_count(pStmt)-1;
7867   for(iStep=0; iStep<nStep && SQLITE_ROW==sqlite3_step(pStmt); iStep++){
7868     int a = sqlite3_column_int(pStmt, 0);
7869     if( a!=sqlite3_column_int(pStmt, iB) ){
7870       Tcl_AppendResult(interp, "data error: (a!=b)", 0);
7871       return TCL_ERROR;
7872     }
7873 
7874     iCksum1 += (iCksum1 << 3) + (unsigned int)a;
7875   }
7876   rc = sqlite3_finalize(pStmt);
7877   if( rc!=SQLITE_OK ) goto sql_error;
7878 
7879   rc = sqlite3_prepare_v2(db, zSql2, -1, &pStmt, 0);
7880   if( rc!=SQLITE_OK ) goto sql_error;
7881   for(iStep=0; SQLITE_ROW==sqlite3_step(pStmt); iStep++){
7882     int a = sqlite3_column_int(pStmt, 0);
7883     iCksum2 += (iCksum2 << 3) + (unsigned int)a;
7884   }
7885   rc = sqlite3_finalize(pStmt);
7886   if( rc!=SQLITE_OK ) goto sql_error;
7887 
7888   if( iCksum1!=iCksum2 ){
7889     Tcl_AppendResult(interp, "checksum mismatch", 0);
7890     return TCL_ERROR;
7891   }
7892 
7893   return TCL_OK;
7894  sql_error:
7895   Tcl_AppendResult(interp, "sql error: ", sqlite3_errmsg(db), 0);
7896   return TCL_ERROR;
7897 }
7898 
7899 
7900 #ifdef SQLITE_USER_AUTHENTICATION
7901 #include "sqlite3userauth.h"
7902 /*
7903 ** tclcmd:  sqlite3_user_authenticate DB USERNAME PASSWORD
7904 */
7905 static int SQLITE_TCLAPI test_user_authenticate(
7906   ClientData clientData, /* Unused */
7907   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
7908   int objc,              /* Number of arguments */
7909   Tcl_Obj *CONST objv[]  /* Command arguments */
7910 ){
7911   char *zUser = 0;
7912   char *zPasswd = 0;
7913   int nPasswd = 0;
7914   sqlite3 *db;
7915   int rc;
7916 
7917   if( objc!=4 ){
7918     Tcl_WrongNumArgs(interp, 1, objv, "DB USERNAME PASSWORD");
7919     return TCL_ERROR;
7920   }
7921   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ){
7922     return TCL_ERROR;
7923   }
7924   zUser = Tcl_GetString(objv[2]);
7925   zPasswd = Tcl_GetStringFromObj(objv[3], &nPasswd);
7926   rc = sqlite3_user_authenticate(db, zUser, zPasswd, nPasswd);
7927   Tcl_SetResult(interp, (char *)t1ErrorName(rc), TCL_STATIC);
7928   return TCL_OK;
7929 }
7930 #endif /* SQLITE_USER_AUTHENTICATION */
7931 
7932 #ifdef SQLITE_USER_AUTHENTICATION
7933 /*
7934 ** tclcmd:  sqlite3_user_add DB USERNAME PASSWORD ISADMIN
7935 */
7936 static int SQLITE_TCLAPI test_user_add(
7937   ClientData clientData, /* Unused */
7938   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
7939   int objc,              /* Number of arguments */
7940   Tcl_Obj *CONST objv[]  /* Command arguments */
7941 ){
7942   char *zUser = 0;
7943   char *zPasswd = 0;
7944   int nPasswd = 0;
7945   int isAdmin = 0;
7946   sqlite3 *db;
7947   int rc;
7948 
7949   if( objc!=5 ){
7950     Tcl_WrongNumArgs(interp, 1, objv, "DB USERNAME PASSWORD ISADMIN");
7951     return TCL_ERROR;
7952   }
7953   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ){
7954     return TCL_ERROR;
7955   }
7956   zUser = Tcl_GetString(objv[2]);
7957   zPasswd = Tcl_GetStringFromObj(objv[3], &nPasswd);
7958   Tcl_GetBooleanFromObj(interp, objv[4], &isAdmin);
7959   rc = sqlite3_user_add(db, zUser, zPasswd, nPasswd, isAdmin);
7960   Tcl_SetResult(interp, (char *)t1ErrorName(rc), TCL_STATIC);
7961   return TCL_OK;
7962 }
7963 #endif /* SQLITE_USER_AUTHENTICATION */
7964 
7965 #ifdef SQLITE_USER_AUTHENTICATION
7966 /*
7967 ** tclcmd:  sqlite3_user_change DB USERNAME PASSWORD ISADMIN
7968 */
7969 static int SQLITE_TCLAPI test_user_change(
7970   ClientData clientData, /* Unused */
7971   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
7972   int objc,              /* Number of arguments */
7973   Tcl_Obj *CONST objv[]  /* Command arguments */
7974 ){
7975   char *zUser = 0;
7976   char *zPasswd = 0;
7977   int nPasswd = 0;
7978   int isAdmin = 0;
7979   sqlite3 *db;
7980   int rc;
7981 
7982   if( objc!=5 ){
7983     Tcl_WrongNumArgs(interp, 1, objv, "DB USERNAME PASSWORD ISADMIN");
7984     return TCL_ERROR;
7985   }
7986   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ){
7987     return TCL_ERROR;
7988   }
7989   zUser = Tcl_GetString(objv[2]);
7990   zPasswd = Tcl_GetStringFromObj(objv[3], &nPasswd);
7991   Tcl_GetBooleanFromObj(interp, objv[4], &isAdmin);
7992   rc = sqlite3_user_change(db, zUser, zPasswd, nPasswd, isAdmin);
7993   Tcl_SetResult(interp, (char *)t1ErrorName(rc), TCL_STATIC);
7994   return TCL_OK;
7995 }
7996 #endif /* SQLITE_USER_AUTHENTICATION */
7997 
7998 #ifdef SQLITE_USER_AUTHENTICATION
7999 /*
8000 ** tclcmd:  sqlite3_user_delete DB USERNAME
8001 */
8002 static int SQLITE_TCLAPI test_user_delete(
8003   ClientData clientData, /* Unused */
8004   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
8005   int objc,              /* Number of arguments */
8006   Tcl_Obj *CONST objv[]  /* Command arguments */
8007 ){
8008   char *zUser = 0;
8009   sqlite3 *db;
8010   int rc;
8011 
8012   if( objc!=3 ){
8013     Tcl_WrongNumArgs(interp, 1, objv, "DB USERNAME");
8014     return TCL_ERROR;
8015   }
8016   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ){
8017     return TCL_ERROR;
8018   }
8019   zUser = Tcl_GetString(objv[2]);
8020   rc = sqlite3_user_delete(db, zUser);
8021   Tcl_SetResult(interp, (char *)t1ErrorName(rc), TCL_STATIC);
8022   return TCL_OK;
8023 }
8024 #endif /* SQLITE_USER_AUTHENTICATION */
8025 
8026 /*
8027 ** tclcmd: bad_behavior TYPE
8028 **
8029 ** Do some things that should trigger a valgrind or -fsanitize=undefined
8030 ** warning.  This is used to verify that errors and warnings output by those
8031 ** tools are detected by the test scripts.
8032 **
8033 **       TYPE       BEHAVIOR
8034 **       1          Overflow a signed integer
8035 **       2          Jump based on an uninitialized variable
8036 **       3          Read after free
8037 **       4          Panic
8038 */
8039 static int SQLITE_TCLAPI test_bad_behavior(
8040   ClientData clientData, /* Pointer to an integer containing zero */
8041   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
8042   int objc,              /* Number of arguments */
8043   Tcl_Obj *CONST objv[]  /* Command arguments */
8044 ){
8045   int iType;
8046   int xyz;
8047   int i = *(int*)clientData;
8048   int j;
8049   int w[10];
8050   int *a;
8051   if( objc!=2 ){
8052     Tcl_WrongNumArgs(interp, 1, objv, "TYPE");
8053     return TCL_ERROR;
8054   }
8055   if( Tcl_GetIntFromObj(interp, objv[1], &iType) ) return TCL_ERROR;
8056   switch( iType ){
8057     case 1: {
8058       xyz = 0x7fffff00 - i;
8059       xyz += 0x100;
8060       Tcl_SetObjResult(interp, Tcl_NewIntObj(xyz));
8061       break;
8062     }
8063     case 2: {
8064       w[1] = 5;
8065       if( w[i]>0 ) w[1]++;
8066       Tcl_SetObjResult(interp, Tcl_NewIntObj(w[1]));
8067       break;
8068     }
8069     case 3: {
8070       a = malloc( sizeof(int)*10 );
8071       for(j=0; j<10; j++) a[j] = j;
8072       free(a);
8073       Tcl_SetObjResult(interp, Tcl_NewIntObj(a[i]));
8074       break;
8075     }
8076     case 4: {
8077       Tcl_Panic("Deliberate panic");
8078       break;
8079     }
8080   }
8081   return TCL_OK;
8082 }
8083 
8084 /*
8085 ** tclcmd:   register_dbstat_vtab DB
8086 **
8087 ** Cause the dbstat virtual table to be available on the connection DB
8088 */
8089 static int SQLITE_TCLAPI test_register_dbstat_vtab(
8090   void *clientData,
8091   Tcl_Interp *interp,
8092   int objc,
8093   Tcl_Obj *CONST objv[]
8094 ){
8095 #ifdef SQLITE_OMIT_VIRTUALTABLE
8096   Tcl_AppendResult(interp, "dbstat not available because of "
8097                            "SQLITE_OMIT_VIRTUALTABLE", (void*)0);
8098   return TCL_ERROR;
8099 #else
8100   struct SqliteDb { sqlite3 *db; };
8101   char *zDb;
8102   Tcl_CmdInfo cmdInfo;
8103 
8104   if( objc!=2 ){
8105     Tcl_WrongNumArgs(interp, 1, objv, "DB");
8106     return TCL_ERROR;
8107   }
8108 
8109   zDb = Tcl_GetString(objv[1]);
8110   if( Tcl_GetCommandInfo(interp, zDb, &cmdInfo) ){
8111     sqlite3* db = ((struct SqliteDb*)cmdInfo.objClientData)->db;
8112     sqlite3DbstatRegister(db);
8113   }
8114   return TCL_OK;
8115 #endif /* SQLITE_OMIT_VIRTUALTABLE */
8116 }
8117 
8118 /*
8119 ** tclcmd:   sqlite3_db_config DB SETTING VALUE
8120 **
8121 ** Invoke sqlite3_db_config() for one of the setting values.
8122 */
8123 static int SQLITE_TCLAPI test_sqlite3_db_config(
8124   void *clientData,
8125   Tcl_Interp *interp,
8126   int objc,
8127   Tcl_Obj *CONST objv[]
8128 ){
8129   static const struct {
8130     const char *zName;
8131     int eVal;
8132   } aSetting[] = {
8133     { "FKEY",               SQLITE_DBCONFIG_ENABLE_FKEY },
8134     { "TRIGGER",            SQLITE_DBCONFIG_ENABLE_TRIGGER },
8135     { "FTS3_TOKENIZER",     SQLITE_DBCONFIG_ENABLE_FTS3_TOKENIZER },
8136     { "LOAD_EXTENSION",     SQLITE_DBCONFIG_ENABLE_LOAD_EXTENSION },
8137     { "NO_CKPT_ON_CLOSE",   SQLITE_DBCONFIG_NO_CKPT_ON_CLOSE },
8138     { "QPSG",               SQLITE_DBCONFIG_ENABLE_QPSG },
8139     { "TRIGGER_EQP",        SQLITE_DBCONFIG_TRIGGER_EQP },
8140     { "RESET_DB",           SQLITE_DBCONFIG_RESET_DATABASE },
8141     { "DEFENSIVE",          SQLITE_DBCONFIG_DEFENSIVE },
8142     { "WRITABLE_SCHEMA",    SQLITE_DBCONFIG_WRITABLE_SCHEMA },
8143     { "LEGACY_ALTER_TABLE", SQLITE_DBCONFIG_LEGACY_ALTER_TABLE },
8144     { "DQS_DML",            SQLITE_DBCONFIG_DQS_DML },
8145     { "DQS_DDL",            SQLITE_DBCONFIG_DQS_DDL },
8146     { "LEGACY_FILE_FORMAT", SQLITE_DBCONFIG_LEGACY_FILE_FORMAT },
8147   };
8148   int i;
8149   int v = 0;
8150   const char *zSetting;
8151   sqlite3 *db;
8152 
8153   if( objc!=4 && objc!=3 ){
8154     Tcl_WrongNumArgs(interp, 1, objv, "DB SETTING [VALUE]");
8155     return TCL_ERROR;
8156   }
8157   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
8158   zSetting = Tcl_GetString(objv[2]);
8159   if( sqlite3_strglob("SQLITE_*", zSetting)==0 ) zSetting += 7;
8160   if( sqlite3_strglob("DBCONFIG_*", zSetting)==0 ) zSetting += 9;
8161   if( sqlite3_strglob("ENABLE_*", zSetting)==0 ) zSetting += 7;
8162   for(i=0; i<ArraySize(aSetting); i++){
8163     if( strcmp(zSetting, aSetting[i].zName)==0 ) break;
8164   }
8165   if( i>=ArraySize(aSetting) ){
8166     Tcl_SetObjResult(interp,
8167       Tcl_NewStringObj("unknown sqlite3_db_config setting", -1));
8168     return TCL_ERROR;
8169   }
8170   if( objc==4 ){
8171     if( Tcl_GetIntFromObj(interp, objv[3], &v) ) return TCL_ERROR;
8172   }else{
8173     v = -1;
8174   }
8175   sqlite3_db_config(db, aSetting[i].eVal, v, &v);
8176   Tcl_SetObjResult(interp, Tcl_NewIntObj(v));
8177   return TCL_OK;
8178 }
8179 /*
8180 ** tclcmd:   sqlite3_txn_state DB ?SCHEMA?
8181 **
8182 ** Invoke sqlite3_txn_state(DB,SCHEMA) and return the
8183 ** numeric value that results.  Use NULL for SCHEMA if the 3 argument
8184 ** is omitted.
8185 */
8186 static int SQLITE_TCLAPI test_sqlite3_txn_state(
8187   void *clientData,
8188   Tcl_Interp *interp,
8189   int objc,
8190   Tcl_Obj *CONST objv[]
8191 ){
8192   sqlite3 *db;
8193   const char *zSchema;
8194   int iTxn;
8195 
8196   if( objc!=2 && objc!=3 ){
8197     Tcl_WrongNumArgs(interp, 1, objv, "DB ?SCHEMA?");
8198     return TCL_ERROR;
8199   }
8200   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
8201   zSchema = objc==3 ? Tcl_GetString(objv[2]) : 0;
8202   iTxn = sqlite3_txn_state(db, zSchema);
8203   Tcl_SetObjResult(interp, Tcl_NewIntObj(iTxn));
8204   return TCL_OK;
8205 }
8206 
8207 /*
8208 ** Change the name of the main database schema from "main" to "icecube".
8209 */
8210 static int SQLITE_TCLAPI test_dbconfig_maindbname_icecube(
8211   void * clientData,
8212   Tcl_Interp *interp,
8213   int objc,
8214   Tcl_Obj *CONST objv[]
8215 ){
8216   int rc;
8217   sqlite3 *db;
8218   extern int getDbPointer(Tcl_Interp*, const char*, sqlite3**);
8219   if( objc!=2 ){
8220     Tcl_WrongNumArgs(interp, 1, objv, "DB");
8221     return TCL_ERROR;
8222   }else{
8223     if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
8224     rc = sqlite3_db_config(db, SQLITE_DBCONFIG_MAINDBNAME, "icecube");
8225     Tcl_SetObjResult(interp, Tcl_NewIntObj(rc));
8226     return TCL_OK;
8227   }
8228 }
8229 
8230 /*
8231 ** Usage: sqlite3_mmap_warm DB DBNAME
8232 */
8233 static int SQLITE_TCLAPI test_mmap_warm(
8234   void * clientData,
8235   Tcl_Interp *interp,
8236   int objc,
8237   Tcl_Obj *CONST objv[]
8238 ){
8239   extern int getDbPointer(Tcl_Interp*, const char*, sqlite3**);
8240   extern int sqlite3_mmap_warm(sqlite3 *db, const char *);
8241 
8242   if( objc!=2 && objc!=3 ){
8243     Tcl_WrongNumArgs(interp, 1, objv, "DB ?DBNAME?");
8244     return TCL_ERROR;
8245   }else{
8246     int rc;
8247     sqlite3 *db;
8248     const char *zDb = 0;
8249     if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
8250     if( objc==3 ){
8251       zDb = Tcl_GetString(objv[2]);
8252     }
8253     rc = sqlite3_mmap_warm(db, zDb);
8254     Tcl_SetObjResult(interp, Tcl_NewStringObj(sqlite3ErrName(rc), -1));
8255     return TCL_OK;
8256   }
8257 }
8258 
8259 /*
8260 ** Usage:  test_write_db DB OFFSET DATA
8261 **
8262 ** Obtain the sqlite3_file* object for the database file for the "main" db
8263 ** of handle DB. Then invoke its xWrite method to write data DATA to offset
8264 ** OFFSET.
8265 */
8266 static int SQLITE_TCLAPI test_write_db(
8267   void * clientData,
8268   Tcl_Interp *interp,
8269   int objc,
8270   Tcl_Obj *CONST objv[]
8271 ){
8272   sqlite3 *db = 0;
8273   Tcl_WideInt iOff = 0;
8274   const unsigned char *aData = 0;
8275   int nData = 0;
8276   sqlite3_file *pFile = 0;
8277   int rc;
8278 
8279   if( objc!=4 ){
8280     Tcl_WrongNumArgs(interp, 1, objv, "DB OFFSET DATA");
8281     return TCL_ERROR;
8282   }
8283   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
8284   if( Tcl_GetWideIntFromObj(interp, objv[2], &iOff) ) return TCL_ERROR;
8285   aData = Tcl_GetByteArrayFromObj(objv[3], &nData);
8286 
8287   sqlite3_file_control(db, "main", SQLITE_FCNTL_FILE_POINTER, (void*)&pFile);
8288   rc = pFile->pMethods->xWrite(pFile, aData, nData, iOff);
8289 
8290   Tcl_SetResult(interp, (char *)sqlite3ErrName(rc), TCL_VOLATILE);
8291   return TCL_OK;
8292 }
8293 
8294 /*
8295 ** Usage:  sqlite3_register_cksumvfs
8296 **
8297 */
8298 static int SQLITE_TCLAPI test_register_cksumvfs(
8299   void * clientData,
8300   Tcl_Interp *interp,
8301   int objc,
8302   Tcl_Obj *CONST objv[]
8303 ){
8304   if( objc!=1 ){
8305     Tcl_WrongNumArgs(interp, 1, objv, "");
8306     return TCL_ERROR;
8307   }else{
8308     extern int sqlite3_register_cksumvfs(const char*);
8309     int rc = sqlite3_register_cksumvfs(0);
8310     Tcl_SetResult(interp, (char *)sqlite3ErrName(rc), TCL_VOLATILE);
8311   }
8312   return TCL_OK;
8313 }
8314 
8315 /*
8316 ** Usage:  sqlite3_unregister_cksumvfs
8317 **
8318 */
8319 static int SQLITE_TCLAPI test_unregister_cksumvfs(
8320   void * clientData,
8321   Tcl_Interp *interp,
8322   int objc,
8323   Tcl_Obj *CONST objv[]
8324 ){
8325   if( objc!=1 ){
8326     Tcl_WrongNumArgs(interp, 1, objv, "");
8327     return TCL_ERROR;
8328   }else{
8329     extern int sqlite3_unregister_cksumvfs(void);
8330     int rc = sqlite3_unregister_cksumvfs();
8331     Tcl_SetResult(interp, (char *)sqlite3ErrName(rc), TCL_VOLATILE);
8332   }
8333   return TCL_OK;
8334 }
8335 
8336 /*
8337 ** Usage:  decode_hexdb TEXT
8338 **
8339 ** Example:   db deserialize [decode_hexdb $output_of_dbtotxt]
8340 **
8341 ** This routine returns a byte-array for an SQLite database file that
8342 ** is constructed from a text input which is the output of the "dbtotxt"
8343 ** utility.
8344 */
8345 static int SQLITE_TCLAPI test_decode_hexdb(
8346   void * clientData,
8347   Tcl_Interp *interp,
8348   int objc,
8349   Tcl_Obj *CONST objv[]
8350 ){
8351   const char *zIn = 0;
8352   unsigned char *a = 0;
8353   int n = 0;
8354   int lineno = 0;
8355   int i, iNext;
8356   int iOffset = 0;
8357   int j, k;
8358   int rc;
8359   unsigned int x[16];
8360   if( objc!=2 ){
8361     Tcl_WrongNumArgs(interp, 1, objv, "HEXDB");
8362     return TCL_ERROR;
8363   }
8364   zIn = Tcl_GetString(objv[1]);
8365   for(i=0; zIn[i]; i=iNext){
8366     lineno++;
8367     for(iNext=i; zIn[iNext] && zIn[iNext]!='\n'; iNext++){}
8368     if( zIn[iNext]=='\n' ) iNext++;
8369     while( zIn[i]==' ' || zIn[i]=='\t' ){ i++; }
8370     if( a==0 ){
8371       int pgsz;
8372       rc = sscanf(zIn+i, "| size %d pagesize %d", &n, &pgsz);
8373       if( rc!=2 ) continue;
8374       if( pgsz<512 || pgsz>65536 || (pgsz&(pgsz-1))!=0 ){
8375         Tcl_AppendResult(interp, "bad 'pagesize' field", (void*)0);
8376         return TCL_ERROR;
8377       }
8378       n = (n+pgsz-1)&~(pgsz-1);  /* Round n up to the next multiple of pgsz */
8379       if( n<512 ){
8380         Tcl_AppendResult(interp, "bad 'size' field", (void*)0);
8381         return TCL_ERROR;
8382       }
8383       a = malloc( n );
8384       if( a==0 ){
8385         Tcl_AppendResult(interp, "out of memory", (void*)0);
8386         return TCL_ERROR;
8387       }
8388       memset(a, 0, n);
8389       continue;
8390     }
8391     rc = sscanf(zIn+i, "| page %d offset %d", &j, &k);
8392     if( rc==2 ){
8393       iOffset = k;
8394       continue;
8395     }
8396     rc = sscanf(zIn+i,"| %d: %x %x %x %x %x %x %x %x %x %x %x %x %x %x %x %x",
8397                 &j, &x[0], &x[1], &x[2], &x[3], &x[4], &x[5], &x[6], &x[7],
8398                 &x[8], &x[9], &x[10], &x[11], &x[12], &x[13], &x[14], &x[15]);
8399     if( rc==17 ){
8400       k = iOffset+j;
8401       if( k+16<=n ){
8402         int ii;
8403         for(ii=0; ii<16; ii++) a[k+ii] = x[ii]&0xff;
8404       }
8405       continue;
8406     }
8407   }
8408   Tcl_SetObjResult(interp, Tcl_NewByteArrayObj(a, n));
8409   free(a);
8410   return TCL_OK;
8411 }
8412 
8413 /*
8414 ** Client data for the autovacuum_pages callback.
8415 */
8416 struct AutovacPageData {
8417   Tcl_Interp *interp;
8418   char *zScript;
8419 };
8420 typedef struct AutovacPageData AutovacPageData;
8421 
8422 /*
8423 ** Callback functions for sqlite3_autovacuum_pages
8424 */
8425 static unsigned int test_autovacuum_pages_callback(
8426   void *pClientData,
8427   const char *zSchema,
8428   unsigned int nFilePages,
8429   unsigned int nFreePages,
8430   unsigned int nBytePerPage
8431 ){
8432   AutovacPageData *pData = (AutovacPageData*)pClientData;
8433   Tcl_DString str;
8434   unsigned int x;
8435   char zBuf[100];
8436   Tcl_DStringInit(&str);
8437   Tcl_DStringAppend(&str, pData->zScript, -1);
8438   Tcl_DStringAppendElement(&str, zSchema);
8439   sqlite3_snprintf(sizeof(zBuf), zBuf, "%u", nFilePages);
8440   Tcl_DStringAppendElement(&str, zBuf);
8441   sqlite3_snprintf(sizeof(zBuf), zBuf, "%u", nFreePages);
8442   Tcl_DStringAppendElement(&str, zBuf);
8443   sqlite3_snprintf(sizeof(zBuf), zBuf, "%u", nBytePerPage);
8444   Tcl_DStringAppendElement(&str, zBuf);
8445   Tcl_ResetResult(pData->interp);
8446   Tcl_Eval(pData->interp, Tcl_DStringValue(&str));
8447   Tcl_DStringFree(&str);
8448   x = nFreePages;
8449   (void)Tcl_GetIntFromObj(0, Tcl_GetObjResult(pData->interp), (int*)&x);
8450   return x;
8451 }
8452 
8453 /*
8454 ** Usage:  sqlite3_autovacuum_pages DB SCRIPT
8455 **
8456 ** Add an autovacuum-pages callback to database connection DB.  The callback
8457 ** will invoke SCRIPT, after appending parameters.
8458 **
8459 ** If SCRIPT is an empty string or is omitted, then the callback is
8460 ** cancelled.
8461 */
8462 static int SQLITE_TCLAPI test_autovacuum_pages(
8463   void * clientData,
8464   Tcl_Interp *interp,
8465   int objc,
8466   Tcl_Obj *CONST objv[]
8467 ){
8468   AutovacPageData *pData;
8469   sqlite3 *db;
8470   int rc;
8471   const char *zScript;
8472   if( objc!=2 && objc!=3 ){
8473     Tcl_WrongNumArgs(interp, 1, objv, "DB ?SCRIPT?");
8474     return TCL_ERROR;
8475   }
8476   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
8477   zScript = objc==3 ? Tcl_GetString(objv[2]) : 0;
8478   if( zScript ){
8479     size_t nScript = strlen(zScript);
8480     pData = sqlite3_malloc64( sizeof(*pData) + nScript + 1 );
8481     if( pData==0 ){
8482       Tcl_AppendResult(interp, "out of memory", (void*)0);
8483       return TCL_ERROR;
8484     }
8485     pData->interp = interp;
8486     pData->zScript = (char*)&pData[1];
8487     memcpy(pData->zScript, zScript, nScript+1);
8488     rc = sqlite3_autovacuum_pages(db,test_autovacuum_pages_callback,
8489                                   pData, sqlite3_free);
8490   }else{
8491     rc = sqlite3_autovacuum_pages(db, 0, 0, 0);
8492   }
8493   if( rc ){
8494     char zBuf[1000];
8495     sqlite3_snprintf(sizeof(zBuf), zBuf,
8496        "sqlite3_autovacuum_pages() returns %d", rc);
8497     Tcl_AppendResult(interp, zBuf, (void*)0);
8498     return TCL_ERROR;
8499   }
8500   return TCL_OK;
8501 }
8502 
8503 
8504 /*
8505 ** Register commands with the TCL interpreter.
8506 */
8507 int Sqlitetest1_Init(Tcl_Interp *interp){
8508   extern int sqlite3_search_count;
8509   extern int sqlite3_found_count;
8510   extern int sqlite3_interrupt_count;
8511   extern int sqlite3_open_file_count;
8512   extern int sqlite3_sort_count;
8513   extern int sqlite3_current_time;
8514 #if SQLITE_OS_UNIX && defined(__APPLE__) && SQLITE_ENABLE_LOCKING_STYLE
8515   extern int sqlite3_hostid_num;
8516 #endif
8517   extern int sqlite3_max_blobsize;
8518   extern int SQLITE_TCLAPI sqlite3BtreeSharedCacheReport(void*,
8519                                           Tcl_Interp*,int,Tcl_Obj*CONST*);
8520   static int iZero = 0;
8521   static struct {
8522      char *zName;
8523      Tcl_CmdProc *xProc;
8524   } aCmd[] = {
8525      { "db_enter",                      (Tcl_CmdProc*)db_enter               },
8526      { "db_leave",                      (Tcl_CmdProc*)db_leave               },
8527      { "sqlite3_mprintf_int",           (Tcl_CmdProc*)sqlite3_mprintf_int    },
8528      { "sqlite3_mprintf_int64",         (Tcl_CmdProc*)sqlite3_mprintf_int64  },
8529      { "sqlite3_mprintf_long",          (Tcl_CmdProc*)sqlite3_mprintf_long   },
8530      { "sqlite3_mprintf_str",           (Tcl_CmdProc*)sqlite3_mprintf_str    },
8531      { "sqlite3_snprintf_str",          (Tcl_CmdProc*)sqlite3_snprintf_str   },
8532      { "sqlite3_mprintf_stronly",       (Tcl_CmdProc*)sqlite3_mprintf_stronly},
8533      { "sqlite3_mprintf_double",        (Tcl_CmdProc*)sqlite3_mprintf_double },
8534      { "sqlite3_mprintf_scaled",        (Tcl_CmdProc*)sqlite3_mprintf_scaled },
8535      { "sqlite3_mprintf_hexdouble",   (Tcl_CmdProc*)sqlite3_mprintf_hexdouble},
8536      { "sqlite3_mprintf_z_test",        (Tcl_CmdProc*)test_mprintf_z        },
8537      { "sqlite3_mprintf_n_test",        (Tcl_CmdProc*)test_mprintf_n        },
8538      { "sqlite3_snprintf_int",          (Tcl_CmdProc*)test_snprintf_int     },
8539      { "sqlite3_last_insert_rowid",     (Tcl_CmdProc*)test_last_rowid       },
8540      { "sqlite3_exec_printf",           (Tcl_CmdProc*)test_exec_printf      },
8541      { "sqlite3_exec_hex",              (Tcl_CmdProc*)test_exec_hex         },
8542      { "sqlite3_exec",                  (Tcl_CmdProc*)test_exec             },
8543      { "sqlite3_exec_nr",               (Tcl_CmdProc*)test_exec_nr          },
8544 #ifndef SQLITE_OMIT_GET_TABLE
8545      { "sqlite3_get_table_printf",      (Tcl_CmdProc*)test_get_table_printf },
8546 #endif
8547      { "sqlite3_close",                 (Tcl_CmdProc*)sqlite_test_close     },
8548      { "sqlite3_close_v2",              (Tcl_CmdProc*)sqlite_test_close_v2  },
8549      { "sqlite3_create_function",       (Tcl_CmdProc*)test_create_function  },
8550      { "sqlite3_create_aggregate",      (Tcl_CmdProc*)test_create_aggregate },
8551      { "sqlite3_drop_modules",          (Tcl_CmdProc*)test_drop_modules     },
8552      { "sqlite_register_test_function", (Tcl_CmdProc*)test_register_func    },
8553      { "sqlite_abort",                  (Tcl_CmdProc*)sqlite_abort          },
8554      { "sqlite_bind",                   (Tcl_CmdProc*)test_bind             },
8555      { "breakpoint",                    (Tcl_CmdProc*)test_breakpoint       },
8556      { "sqlite3_key",                   (Tcl_CmdProc*)test_key              },
8557      { "sqlite3_rekey",                 (Tcl_CmdProc*)test_rekey            },
8558      { "sqlite3_interrupt",             (Tcl_CmdProc*)test_interrupt        },
8559      { "sqlite_delete_function",        (Tcl_CmdProc*)delete_function       },
8560      { "sqlite_delete_collation",       (Tcl_CmdProc*)delete_collation      },
8561      { "sqlite3_get_autocommit",        (Tcl_CmdProc*)get_autocommit        },
8562      { "sqlite3_busy_timeout",          (Tcl_CmdProc*)test_busy_timeout     },
8563      { "printf",                        (Tcl_CmdProc*)test_printf           },
8564      { "sqlite3IoTrace",              (Tcl_CmdProc*)test_io_trace         },
8565      { "clang_sanitize_address",        (Tcl_CmdProc*)clang_sanitize_address },
8566   };
8567   static struct {
8568      char *zName;
8569      Tcl_ObjCmdProc *xProc;
8570      void *clientData;
8571   } aObjCmd[] = {
8572      { "sqlite3_db_config",             test_sqlite3_db_config, 0 },
8573      { "sqlite3_txn_state",             test_sqlite3_txn_state, 0 },
8574      { "bad_behavior",                  test_bad_behavior,  (void*)&iZero },
8575      { "register_dbstat_vtab",          test_register_dbstat_vtab  },
8576      { "sqlite3_connection_pointer",    get_sqlite_pointer, 0 },
8577      { "intarray_addr",                 test_intarray_addr, 0 },
8578      { "int64array_addr",               test_int64array_addr, 0 },
8579      { "doublearray_addr",              test_doublearray_addr, 0 },
8580      { "textarray_addr",                test_textarray_addr, 0 },
8581      { "sqlite3_bind_int",              test_bind_int,      0 },
8582      { "sqlite3_bind_zeroblob",         test_bind_zeroblob, 0 },
8583      { "sqlite3_bind_zeroblob64",       test_bind_zeroblob64, 0 },
8584      { "sqlite3_bind_int64",            test_bind_int64,    0 },
8585      { "sqlite3_bind_double",           test_bind_double,   0 },
8586      { "sqlite3_bind_null",             test_bind_null     ,0 },
8587      { "sqlite3_bind_text",             test_bind_text     ,0 },
8588      { "sqlite3_bind_text16",           test_bind_text16   ,0 },
8589      { "sqlite3_bind_blob",             test_bind_blob     ,0 },
8590      { "sqlite3_bind_value_from_select",test_bind_value_from_select ,0 },
8591      { "sqlite3_bind_value_from_preupdate",test_bind_value_from_preupdate ,0 },
8592 #ifndef SQLITE_OMIT_VIRTUALTABLE
8593      { "sqlite3_carray_bind",           test_carray_bind   ,0 },
8594 #endif
8595      { "sqlite3_bind_parameter_count",  test_bind_parameter_count, 0},
8596      { "sqlite3_bind_parameter_name",   test_bind_parameter_name,  0},
8597      { "sqlite3_bind_parameter_index",  test_bind_parameter_index, 0},
8598      { "sqlite3_clear_bindings",        test_clear_bindings, 0},
8599      { "sqlite3_sleep",                 test_sleep,          0},
8600      { "sqlite3_errcode",               test_errcode       ,0 },
8601      { "sqlite3_extended_errcode",      test_ex_errcode    ,0 },
8602      { "sqlite3_errmsg",                test_errmsg        ,0 },
8603      { "sqlite3_error_offset",          test_error_offset  ,0 },
8604      { "sqlite3_errmsg16",              test_errmsg16      ,0 },
8605      { "sqlite3_open",                  test_open          ,0 },
8606      { "sqlite3_open16",                test_open16        ,0 },
8607      { "sqlite3_open_v2",               test_open_v2       ,0 },
8608      { "sqlite3_complete16",            test_complete16    ,0 },
8609      { "sqlite3_normalize",             test_normalize     ,0 },
8610 
8611      { "sqlite3_prepare",               test_prepare       ,0 },
8612      { "sqlite3_prepare16",             test_prepare16     ,0 },
8613      { "sqlite3_prepare_v2",            test_prepare_v2    ,0 },
8614      { "sqlite3_prepare_v3",            test_prepare_v3    ,0 },
8615      { "sqlite3_prepare_tkt3134",       test_prepare_tkt3134, 0},
8616      { "sqlite3_prepare16_v2",          test_prepare16_v2  ,0 },
8617      { "sqlite3_finalize",              test_finalize      ,0 },
8618      { "sqlite3_stmt_status",           test_stmt_status   ,0 },
8619      { "sqlite3_reset",                 test_reset         ,0 },
8620      { "sqlite3_expired",               test_expired       ,0 },
8621      { "sqlite3_transfer_bindings",     test_transfer_bind ,0 },
8622      { "sqlite3_changes",               test_changes       ,0 },
8623      { "sqlite3_step",                  test_step          ,0 },
8624      { "sqlite3_sql",                   test_sql           ,0 },
8625      { "sqlite3_expanded_sql",          test_ex_sql        ,0 },
8626 #ifdef SQLITE_ENABLE_NORMALIZE
8627      { "sqlite3_normalized_sql",        test_norm_sql      ,0 },
8628 #endif
8629      { "sqlite3_next_stmt",             test_next_stmt     ,0 },
8630      { "sqlite3_stmt_readonly",         test_stmt_readonly ,0 },
8631      { "sqlite3_stmt_isexplain",        test_stmt_isexplain,0 },
8632      { "sqlite3_stmt_busy",             test_stmt_busy     ,0 },
8633      { "uses_stmt_journal",             uses_stmt_journal ,0 },
8634 
8635      { "sqlite3_release_memory",        test_release_memory,     0},
8636      { "sqlite3_db_release_memory",     test_db_release_memory,  0},
8637      { "sqlite3_db_cacheflush",         test_db_cacheflush,      0},
8638      { "sqlite3_system_errno",          test_system_errno,       0},
8639      { "sqlite3_db_filename",           test_db_filename,        0},
8640      { "sqlite3_db_readonly",           test_db_readonly,        0},
8641      { "sqlite3_soft_heap_limit",       test_soft_heap_limit,    0},
8642      { "sqlite3_soft_heap_limit64",     test_soft_heap_limit,    0},
8643      { "sqlite3_hard_heap_limit64",     test_hard_heap_limit,    0},
8644      { "sqlite3_thread_cleanup",        test_thread_cleanup,     0},
8645      { "sqlite3_pager_refcounts",       test_pager_refcounts,    0},
8646 
8647      { "sqlite3_load_extension",        test_load_extension,     0},
8648      { "sqlite3_enable_load_extension", test_enable_load,        0},
8649      { "sqlite3_extended_result_codes", test_extended_result_codes, 0},
8650      { "sqlite3_limit",                 test_limit,                 0},
8651      { "dbconfig_maindbname_icecube",   test_dbconfig_maindbname_icecube },
8652 
8653      { "save_prng_state",               save_prng_state,    0 },
8654      { "restore_prng_state",            restore_prng_state, 0 },
8655      { "reset_prng_state",              reset_prng_state,   0 },
8656      { "prng_seed",                     prng_seed,          0 },
8657      { "extra_schema_checks",           extra_schema_checks,    0},
8658      { "database_never_corrupt",        database_never_corrupt, 0},
8659      { "database_may_be_corrupt",       database_may_be_corrupt, 0},
8660      { "optimization_control",          optimization_control,0},
8661 #if SQLITE_OS_WIN
8662      { "lock_win32_file",               win32_file_lock,    0 },
8663      { "exists_win32_path",             win32_exists_path,  0 },
8664      { "find_win32_file",               win32_find_file,    0 },
8665      { "delete_win32_file",             win32_delete_file,  0 },
8666      { "make_win32_dir",                win32_mkdir,        0 },
8667      { "remove_win32_dir",              win32_rmdir,        0 },
8668 #endif
8669      { "tcl_objproc",                   runAsObjProc,       0 },
8670 
8671      /* sqlite3_column_*() API */
8672      { "sqlite3_column_count",          test_column_count  ,0 },
8673      { "sqlite3_data_count",            test_data_count    ,0 },
8674      { "sqlite3_column_type",           test_column_type   ,0 },
8675      { "sqlite3_column_blob",           test_column_blob   ,0 },
8676      { "sqlite3_column_double",         test_column_double ,0 },
8677      { "sqlite3_column_int64",          test_column_int64  ,0 },
8678      { "sqlite3_column_text",   test_stmt_utf8,  (void*)sqlite3_column_text },
8679      { "sqlite3_column_name",   test_stmt_utf8,  (void*)sqlite3_column_name },
8680      { "sqlite3_column_int",    test_stmt_int,   (void*)sqlite3_column_int  },
8681      { "sqlite3_column_bytes",  test_stmt_int,   (void*)sqlite3_column_bytes},
8682 #ifndef SQLITE_OMIT_DECLTYPE
8683      { "sqlite3_column_decltype",test_stmt_utf8,(void*)sqlite3_column_decltype},
8684 #endif
8685 #ifdef SQLITE_ENABLE_COLUMN_METADATA
8686 { "sqlite3_column_database_name",test_stmt_utf8,(void*)sqlite3_column_database_name},
8687 { "sqlite3_column_table_name",test_stmt_utf8,(void*)sqlite3_column_table_name},
8688 { "sqlite3_column_origin_name",test_stmt_utf8,(void*)sqlite3_column_origin_name},
8689 #endif
8690 
8691 #ifndef SQLITE_OMIT_UTF16
8692      { "sqlite3_column_bytes16", test_stmt_int, (void*)sqlite3_column_bytes16 },
8693      { "sqlite3_column_text16",  test_stmt_utf16, (void*)sqlite3_column_text16},
8694      { "sqlite3_column_name16",  test_stmt_utf16, (void*)sqlite3_column_name16},
8695      { "add_alignment_test_collations", add_alignment_test_collations, 0      },
8696 #ifndef SQLITE_OMIT_DECLTYPE
8697      { "sqlite3_column_decltype16",test_stmt_utf16,(void*)sqlite3_column_decltype16},
8698 #endif
8699 #ifdef SQLITE_ENABLE_COLUMN_METADATA
8700 {"sqlite3_column_database_name16",
8701   test_stmt_utf16, (void*)sqlite3_column_database_name16},
8702 {"sqlite3_column_table_name16", test_stmt_utf16, (void*)sqlite3_column_table_name16},
8703 {"sqlite3_column_origin_name16", test_stmt_utf16, (void*)sqlite3_column_origin_name16},
8704 #endif
8705 #endif
8706      { "sqlite3_create_collation_v2", test_create_collation_v2, 0 },
8707      { "sqlite3_global_recover",     test_global_recover, 0   },
8708      { "working_64bit_int",          working_64bit_int,   0   },
8709      { "vfs_unlink_test",            vfs_unlink_test,     0   },
8710      { "vfs_initfail_test",          vfs_initfail_test,   0   },
8711      { "vfs_unregister_all",         vfs_unregister_all,  0   },
8712      { "vfs_reregister_all",         vfs_reregister_all,  0   },
8713      { "file_control_test",          file_control_test,   0   },
8714      { "file_control_lasterrno_test", file_control_lasterrno_test,  0   },
8715      { "file_control_lockproxy_test", file_control_lockproxy_test,  0   },
8716      { "file_control_chunksize_test", file_control_chunksize_test,  0   },
8717      { "file_control_sizehint_test",  file_control_sizehint_test,   0   },
8718      { "file_control_data_version",   file_control_data_version,    0   },
8719 #if SQLITE_OS_WIN
8720      { "file_control_win32_av_retry", file_control_win32_av_retry,  0   },
8721      { "file_control_win32_get_handle", file_control_win32_get_handle, 0  },
8722      { "file_control_win32_set_handle", file_control_win32_set_handle, 0  },
8723 #endif
8724      { "file_control_persist_wal",    file_control_persist_wal,     0   },
8725      { "file_control_powersafe_overwrite",file_control_powersafe_overwrite,0},
8726      { "file_control_vfsname",        file_control_vfsname,         0   },
8727      { "file_control_reservebytes",   file_control_reservebytes,    0   },
8728      { "file_control_tempfilename",   file_control_tempfilename,    0   },
8729      { "file_control_external_reader",   file_control_external_reader,    0   },
8730      { "sqlite3_vfs_list",           vfs_list,     0   },
8731      { "sqlite3_create_function_v2", test_create_function_v2, 0 },
8732 
8733      /* Functions from os.h */
8734 #ifndef SQLITE_OMIT_UTF16
8735      { "add_test_collate",        test_collate, 0            },
8736      { "add_test_collate_needed", test_collate_needed, 0     },
8737      { "add_test_function",       test_function, 0           },
8738      { "add_test_utf16bin_collate",    test_utf16bin_collate, 0        },
8739 #endif
8740      { "sqlite3_test_errstr",     test_errstr, 0             },
8741      { "tcl_variable_type",       tcl_variable_type, 0       },
8742 #ifndef SQLITE_OMIT_SHARED_CACHE
8743      { "sqlite3_enable_shared_cache", test_enable_shared, 0  },
8744      { "sqlite3_shared_cache_report", sqlite3BtreeSharedCacheReport, 0},
8745 #endif
8746      { "sqlite3_libversion_number", test_libversion_number, 0  },
8747      { "sqlite3_table_column_metadata", test_table_column_metadata, 0  },
8748 #ifndef SQLITE_OMIT_INCRBLOB
8749      { "sqlite3_blob_reopen", test_blob_reopen, 0  },
8750 #endif
8751      { "pcache_stats",       test_pcache_stats, 0  },
8752 #ifdef SQLITE_ENABLE_UNLOCK_NOTIFY
8753      { "sqlite3_unlock_notify", test_unlock_notify, 0  },
8754 #endif
8755      { "sqlite3_wal_checkpoint",   test_wal_checkpoint, 0  },
8756      { "sqlite3_wal_checkpoint_v2",test_wal_checkpoint_v2, 0  },
8757      { "sqlite3_wal_autocheckpoint",test_wal_autocheckpoint, 0  },
8758      { "test_sqlite3_log",         test_sqlite3_log, 0  },
8759 #ifndef SQLITE_OMIT_EXPLAIN
8760      { "print_explain_query_plan", test_print_eqp, 0  },
8761 #endif
8762      { "sqlite3_test_control", test_test_control },
8763 #if SQLITE_OS_UNIX
8764      { "getrusage", test_getrusage },
8765 #endif
8766      { "load_static_extension", tclLoadStaticExtensionCmd },
8767      { "sorter_test_fakeheap", sorter_test_fakeheap },
8768      { "sorter_test_sort4_helper", sorter_test_sort4_helper },
8769 #ifdef SQLITE_USER_AUTHENTICATION
8770      { "sqlite3_user_authenticate", test_user_authenticate, 0 },
8771      { "sqlite3_user_add",          test_user_add,          0 },
8772      { "sqlite3_user_change",       test_user_change,       0 },
8773      { "sqlite3_user_delete",       test_user_delete,       0 },
8774 #endif
8775 #ifdef SQLITE_ENABLE_STMT_SCANSTATUS
8776      { "sqlite3_stmt_scanstatus",       test_stmt_scanstatus,   0 },
8777      { "sqlite3_stmt_scanstatus_reset", test_stmt_scanstatus_reset,   0 },
8778 #endif
8779 #ifdef SQLITE_ENABLE_SQLLOG
8780      { "sqlite3_config_sqllog",         test_config_sqllog,   0 },
8781 #endif
8782      { "vfs_current_time_int64",           vfsCurrentTimeInt64,   0 },
8783 #ifdef SQLITE_ENABLE_SNAPSHOT
8784      { "sqlite3_snapshot_get", test_snapshot_get, 0 },
8785      { "sqlite3_snapshot_open", test_snapshot_open, 0 },
8786      { "sqlite3_snapshot_free", test_snapshot_free, 0 },
8787      { "sqlite3_snapshot_cmp", test_snapshot_cmp, 0 },
8788      { "sqlite3_snapshot_recover", test_snapshot_recover, 0 },
8789      { "sqlite3_snapshot_get_blob", test_snapshot_get_blob, 0 },
8790      { "sqlite3_snapshot_open_blob", test_snapshot_open_blob, 0 },
8791      { "sqlite3_snapshot_cmp_blob", test_snapshot_cmp_blob, 0 },
8792 #endif
8793      { "sqlite3_delete_database", test_delete_database,    0 },
8794      { "atomic_batch_write",      test_atomic_batch_write, 0 },
8795      { "sqlite3_mmap_warm",       test_mmap_warm,          0 },
8796      { "sqlite3_config_sorterref", test_config_sorterref,   0 },
8797      { "sqlite3_autovacuum_pages", test_autovacuum_pages,   0 },
8798      { "decode_hexdb",             test_decode_hexdb,       0 },
8799      { "test_write_db",            test_write_db,           0 },
8800      { "sqlite3_register_cksumvfs", test_register_cksumvfs,  0 },
8801      { "sqlite3_unregister_cksumvfs", test_unregister_cksumvfs,  0 },
8802   };
8803   static int bitmask_size = sizeof(Bitmask)*8;
8804   static int longdouble_size = sizeof(LONGDOUBLE_TYPE);
8805   int i;
8806   extern int sqlite3_sync_count, sqlite3_fullsync_count;
8807   extern int sqlite3_opentemp_count;
8808   extern int sqlite3_like_count;
8809   extern int sqlite3_xferopt_count;
8810   extern int sqlite3_pager_readdb_count;
8811   extern int sqlite3_pager_writedb_count;
8812   extern int sqlite3_pager_writej_count;
8813 #if SQLITE_OS_WIN
8814   extern LONG volatile sqlite3_os_type;
8815 #endif
8816 #ifdef SQLITE_DEBUG
8817   extern u32 sqlite3WhereTrace;
8818   extern int sqlite3OSTrace;
8819   extern int sqlite3WalTrace;
8820 #endif
8821 #ifdef SQLITE_TEST
8822 #ifdef SQLITE_ENABLE_FTS3
8823   extern int sqlite3_fts3_enable_parentheses;
8824 #endif
8825 #endif
8826 
8827   for(i=0; i<sizeof(aCmd)/sizeof(aCmd[0]); i++){
8828     Tcl_CreateCommand(interp, aCmd[i].zName, aCmd[i].xProc, 0, 0);
8829   }
8830   for(i=0; i<sizeof(aObjCmd)/sizeof(aObjCmd[0]); i++){
8831     Tcl_CreateObjCommand(interp, aObjCmd[i].zName,
8832         aObjCmd[i].xProc, aObjCmd[i].clientData, 0);
8833   }
8834   Tcl_LinkVar(interp, "sqlite_search_count",
8835       (char*)&sqlite3_search_count, TCL_LINK_INT);
8836   Tcl_LinkVar(interp, "sqlite_found_count",
8837       (char*)&sqlite3_found_count, TCL_LINK_INT);
8838   Tcl_LinkVar(interp, "sqlite_sort_count",
8839       (char*)&sqlite3_sort_count, TCL_LINK_INT);
8840   Tcl_LinkVar(interp, "sqlite3_max_blobsize",
8841       (char*)&sqlite3_max_blobsize, TCL_LINK_INT);
8842   Tcl_LinkVar(interp, "sqlite_like_count",
8843       (char*)&sqlite3_like_count, TCL_LINK_INT);
8844   Tcl_LinkVar(interp, "sqlite_interrupt_count",
8845       (char*)&sqlite3_interrupt_count, TCL_LINK_INT);
8846   Tcl_LinkVar(interp, "sqlite_open_file_count",
8847       (char*)&sqlite3_open_file_count, TCL_LINK_INT);
8848   Tcl_LinkVar(interp, "sqlite_current_time",
8849       (char*)&sqlite3_current_time, TCL_LINK_INT);
8850 #if SQLITE_OS_UNIX && defined(__APPLE__) && SQLITE_ENABLE_LOCKING_STYLE
8851   Tcl_LinkVar(interp, "sqlite_hostid_num",
8852       (char*)&sqlite3_hostid_num, TCL_LINK_INT);
8853 #endif
8854   Tcl_LinkVar(interp, "sqlite3_xferopt_count",
8855       (char*)&sqlite3_xferopt_count, TCL_LINK_INT);
8856   Tcl_LinkVar(interp, "sqlite3_pager_readdb_count",
8857       (char*)&sqlite3_pager_readdb_count, TCL_LINK_INT);
8858   Tcl_LinkVar(interp, "sqlite3_pager_writedb_count",
8859       (char*)&sqlite3_pager_writedb_count, TCL_LINK_INT);
8860   Tcl_LinkVar(interp, "sqlite3_pager_writej_count",
8861       (char*)&sqlite3_pager_writej_count, TCL_LINK_INT);
8862 #ifndef SQLITE_OMIT_UTF16
8863   Tcl_LinkVar(interp, "unaligned_string_counter",
8864       (char*)&unaligned_string_counter, TCL_LINK_INT);
8865 #endif
8866 #ifndef SQLITE_OMIT_UTF16
8867   Tcl_LinkVar(interp, "sqlite_last_needed_collation",
8868       (char*)&pzNeededCollation, TCL_LINK_STRING|TCL_LINK_READ_ONLY);
8869 #endif
8870 #if SQLITE_OS_WIN
8871   Tcl_LinkVar(interp, "sqlite_os_type",
8872       (char*)&sqlite3_os_type, TCL_LINK_LONG);
8873 #endif
8874 #ifdef SQLITE_TEST
8875   {
8876     static const char *query_plan = "*** OBSOLETE VARIABLE ***";
8877     Tcl_LinkVar(interp, "sqlite_query_plan",
8878        (char*)&query_plan, TCL_LINK_STRING|TCL_LINK_READ_ONLY);
8879   }
8880 #endif
8881 #ifdef SQLITE_DEBUG
8882   Tcl_LinkVar(interp, "sqlite_where_trace",
8883       (char*)&sqlite3WhereTrace, TCL_LINK_INT);
8884   Tcl_LinkVar(interp, "sqlite_os_trace",
8885       (char*)&sqlite3OSTrace, TCL_LINK_INT);
8886 #ifndef SQLITE_OMIT_WAL
8887   Tcl_LinkVar(interp, "sqlite_wal_trace",
8888       (char*)&sqlite3WalTrace, TCL_LINK_INT);
8889 #endif
8890 #endif
8891 #ifndef SQLITE_OMIT_DISKIO
8892   Tcl_LinkVar(interp, "sqlite_opentemp_count",
8893       (char*)&sqlite3_opentemp_count, TCL_LINK_INT);
8894 #endif
8895   Tcl_LinkVar(interp, "sqlite_static_bind_value",
8896       (char*)&sqlite_static_bind_value, TCL_LINK_STRING);
8897   Tcl_LinkVar(interp, "sqlite_static_bind_nbyte",
8898       (char*)&sqlite_static_bind_nbyte, TCL_LINK_INT);
8899   Tcl_LinkVar(interp, "sqlite_temp_directory",
8900       (char*)&sqlite3_temp_directory, TCL_LINK_STRING);
8901   Tcl_LinkVar(interp, "sqlite_data_directory",
8902       (char*)&sqlite3_data_directory, TCL_LINK_STRING);
8903   Tcl_LinkVar(interp, "bitmask_size",
8904       (char*)&bitmask_size, TCL_LINK_INT|TCL_LINK_READ_ONLY);
8905   Tcl_LinkVar(interp, "longdouble_size",
8906       (char*)&longdouble_size, TCL_LINK_INT|TCL_LINK_READ_ONLY);
8907   Tcl_LinkVar(interp, "sqlite_sync_count",
8908       (char*)&sqlite3_sync_count, TCL_LINK_INT);
8909   Tcl_LinkVar(interp, "sqlite_fullsync_count",
8910       (char*)&sqlite3_fullsync_count, TCL_LINK_INT);
8911 #if defined(SQLITE_ENABLE_TREETRACE)
8912   Tcl_LinkVar(interp, "sqlite3_unsupported_treetrace",
8913       (char*)&sqlite3TreeTrace, TCL_LINK_INT);
8914 #endif
8915 #if defined(SQLITE_ENABLE_FTS3) && defined(SQLITE_TEST)
8916   Tcl_LinkVar(interp, "sqlite_fts3_enable_parentheses",
8917       (char*)&sqlite3_fts3_enable_parentheses, TCL_LINK_INT);
8918 #endif
8919   return TCL_OK;
8920 }
8921