xref: /sqlite-3.40.0/src/test1.c (revision 4f3557e4)
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 #ifndef SQLITE_OMIT_VIRTUALTABLE
3982 /*
3983 ** sqlite3_carray_bind [options...] STMT NAME VALUE ...
3984 **
3985 ** Options:
3986 **    -transient
3987 **    -static
3988 **    -int32
3989 **    -int64
3990 **    -double
3991 **    -text
3992 **
3993 ** Each call clears static data.  Called with no options does nothing
3994 ** but clear static data.
3995 */
3996 static int SQLITE_TCLAPI test_carray_bind(
3997   void * clientData,
3998   Tcl_Interp *interp,
3999   int objc,
4000   Tcl_Obj *CONST objv[]
4001 ){
4002   sqlite3_stmt *pStmt;
4003   int eType = 0;   /* CARRAY_INT32 */
4004   int nData = 0;
4005   void *aData = 0;
4006   int isTransient = 0;
4007   int isStatic = 0;
4008   int idx;
4009   int i, j;
4010   int rc;
4011   void (*xDel)(void*) = sqlite3_free;
4012   static void *aStaticData = 0;
4013   static int nStaticData = 0;
4014   static int eStaticType = 0;
4015   extern int sqlite3_carray_bind(
4016     sqlite3_stmt *pStmt,
4017     int i,
4018     void *aData,
4019     int nData,
4020     int mFlags,
4021     void (*xDestroy)(void*)
4022   );
4023 
4024   if( aStaticData ){
4025     /* Always clear preexisting static data on every call */
4026     if( eStaticType==3 ){
4027       for(i=0; i<nStaticData; i++){
4028         sqlite3_free(((char**)aStaticData)[i]);
4029       }
4030     }
4031     sqlite3_free(aStaticData);
4032     aStaticData = 0;
4033     nStaticData = 0;
4034     eStaticType = 0;
4035   }
4036   if( objc==1 ) return TCL_OK;
4037 
4038   for(i=1; i<objc && Tcl_GetString(objv[i])[0]=='-'; i++){
4039     const char *z = Tcl_GetString(objv[i]);
4040     if( strcmp(z, "-transient")==0 ){
4041       isTransient = 1;
4042       xDel = SQLITE_TRANSIENT;
4043     }else
4044     if( strcmp(z, "-static")==0 ){
4045       isStatic = 1;
4046       xDel = SQLITE_STATIC;
4047     }else
4048     if( strcmp(z, "-int32")==0 ){
4049       eType = 0;  /* CARRAY_INT32 */
4050     }else
4051     if( strcmp(z, "-int64")==0 ){
4052       eType = 1;  /* CARRAY_INT64 */
4053     }else
4054     if( strcmp(z, "-double")==0 ){
4055       eType = 2;  /* CARRAY_DOUBLE */
4056     }else
4057     if( strcmp(z, "-text")==0 ){
4058       eType = 3;  /* CARRAY_TEXT */
4059     }else
4060     if( strcmp(z, "--")==0 ){
4061       break;
4062     }else
4063     {
4064       Tcl_AppendResult(interp, "unknown option: ", z, (char*)0);
4065       return TCL_ERROR;
4066     }
4067   }
4068   if( eType==3 && !isStatic && !isTransient ){
4069     Tcl_AppendResult(interp, "text data must be either -static or -transient",
4070                      (char*)0);
4071     return TCL_ERROR;
4072   }
4073   if( isStatic && isTransient ){
4074     Tcl_AppendResult(interp, "cannot be both -static and -transient",
4075                      (char*)0);
4076     return TCL_ERROR;
4077   }
4078   if( objc-i < 2 ){
4079     Tcl_WrongNumArgs(interp, 1, objv, "[OPTIONS] STMT IDX VALUE ...");
4080     return TCL_ERROR;
4081   }
4082   if( getStmtPointer(interp, Tcl_GetString(objv[i]), &pStmt) ) return TCL_ERROR;
4083   i++;
4084   if( Tcl_GetIntFromObj(interp, objv[i], &idx) ) return TCL_ERROR;
4085   i++;
4086   nData = objc - i;
4087   switch( eType + 4*(nData<=0) ){
4088     case 0: { /* INT32 */
4089       int *a = sqlite3_malloc( sizeof(int)*nData );
4090       if( a==0 ){ rc = SQLITE_NOMEM; goto carray_bind_done; }
4091       for(j=0; j<nData; j++){
4092         int v;
4093         if( Tcl_GetIntFromObj(interp, objv[i+j], &v) ){
4094           sqlite3_free(a);
4095           return TCL_ERROR;
4096         }
4097         a[j] = v;
4098       }
4099       aData = a;
4100       break;
4101     }
4102     case 1: { /* INT64 */
4103       sqlite3_int64 *a = sqlite3_malloc( sizeof(sqlite3_int64)*nData );
4104       if( a==0 ){ rc = SQLITE_NOMEM; goto carray_bind_done; }
4105       for(j=0; j<nData; j++){
4106         Tcl_WideInt v;
4107         if( Tcl_GetWideIntFromObj(interp, objv[i+j], &v) ){
4108           sqlite3_free(a);
4109           return TCL_ERROR;
4110         }
4111         a[j] = v;
4112       }
4113       aData = a;
4114       break;
4115     }
4116     case 2: { /* DOUBLE */
4117       double *a = sqlite3_malloc( sizeof(double)*nData );
4118       if( a==0 ){ rc = SQLITE_NOMEM; goto carray_bind_done; }
4119       for(j=0; j<nData; j++){
4120         double v;
4121         if( Tcl_GetDoubleFromObj(interp, objv[i+j], &v) ){
4122           sqlite3_free(a);
4123           return TCL_ERROR;
4124         }
4125         a[j] = v;
4126       }
4127       aData = a;
4128       break;
4129     }
4130     case 3: { /* TEXT */
4131       char **a = sqlite3_malloc( sizeof(char*)*nData );
4132       if( a==0 ){ rc = SQLITE_NOMEM; goto carray_bind_done; }
4133       for(j=0; j<nData; j++){
4134         const char *v = Tcl_GetString(objv[i+j]);
4135         a[j] = sqlite3_mprintf("%s", v);
4136       }
4137       aData = a;
4138       break;
4139     }
4140     case 4: { /* nData==0 */
4141       aData = "";
4142       xDel = SQLITE_STATIC;
4143       isTransient = 0;
4144       isStatic = 0;
4145       break;
4146     }
4147   }
4148   if( isStatic ){
4149     aStaticData = aData;
4150     nStaticData = nData;
4151     eStaticType = eType;
4152   }
4153   rc = sqlite3_carray_bind(pStmt, idx, aData, nData, eType, xDel);
4154   if( isTransient ){
4155     if( eType==3 ){
4156       for(i=0; i<nData; i++) sqlite3_free(((char**)aData)[i]);
4157     }
4158     sqlite3_free(aData);
4159   }
4160 carray_bind_done:
4161   if( rc ){
4162     Tcl_AppendResult(interp, sqlite3_errstr(rc), (char*)0);
4163     return TCL_ERROR;
4164   }
4165   return TCL_OK;
4166 }
4167 #endif /* SQLITE_OMIT_VIRTUALTABLE */
4168 
4169 /*
4170 ** Usage:   sqlite3_bind_parameter_count  STMT
4171 **
4172 ** Return the number of wildcards in the given statement.
4173 */
4174 static int SQLITE_TCLAPI test_bind_parameter_count(
4175   void * clientData,
4176   Tcl_Interp *interp,
4177   int objc,
4178   Tcl_Obj *CONST objv[]
4179 ){
4180   sqlite3_stmt *pStmt;
4181 
4182   if( objc!=2 ){
4183     Tcl_WrongNumArgs(interp, 1, objv, "STMT");
4184     return TCL_ERROR;
4185   }
4186   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
4187   Tcl_SetObjResult(interp, Tcl_NewIntObj(sqlite3_bind_parameter_count(pStmt)));
4188   return TCL_OK;
4189 }
4190 
4191 /*
4192 ** Usage:   sqlite3_bind_parameter_name  STMT  N
4193 **
4194 ** Return the name of the Nth wildcard.  The first wildcard is 1.
4195 ** An empty string is returned if N is out of range or if the wildcard
4196 ** is nameless.
4197 */
4198 static int SQLITE_TCLAPI test_bind_parameter_name(
4199   void * clientData,
4200   Tcl_Interp *interp,
4201   int objc,
4202   Tcl_Obj *CONST objv[]
4203 ){
4204   sqlite3_stmt *pStmt;
4205   int i;
4206 
4207   if( objc!=3 ){
4208     Tcl_WrongNumArgs(interp, 1, objv, "STMT N");
4209     return TCL_ERROR;
4210   }
4211   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
4212   if( Tcl_GetIntFromObj(interp, objv[2], &i) ) return TCL_ERROR;
4213   Tcl_SetObjResult(interp,
4214      Tcl_NewStringObj(sqlite3_bind_parameter_name(pStmt,i),-1)
4215   );
4216   return TCL_OK;
4217 }
4218 
4219 /*
4220 ** Usage:   sqlite3_bind_parameter_index  STMT  NAME
4221 **
4222 ** Return the index of the wildcard called NAME.  Return 0 if there is
4223 ** no such wildcard.
4224 */
4225 static int SQLITE_TCLAPI test_bind_parameter_index(
4226   void * clientData,
4227   Tcl_Interp *interp,
4228   int objc,
4229   Tcl_Obj *CONST objv[]
4230 ){
4231   sqlite3_stmt *pStmt;
4232 
4233   if( objc!=3 ){
4234     Tcl_WrongNumArgs(interp, 1, objv, "STMT NAME");
4235     return TCL_ERROR;
4236   }
4237   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
4238   Tcl_SetObjResult(interp,
4239      Tcl_NewIntObj(
4240        sqlite3_bind_parameter_index(pStmt,Tcl_GetString(objv[2]))
4241      )
4242   );
4243   return TCL_OK;
4244 }
4245 
4246 /*
4247 ** Usage:   sqlite3_clear_bindings STMT
4248 **
4249 */
4250 static int SQLITE_TCLAPI test_clear_bindings(
4251   void * clientData,
4252   Tcl_Interp *interp,
4253   int objc,
4254   Tcl_Obj *CONST objv[]
4255 ){
4256   sqlite3_stmt *pStmt;
4257 
4258   if( objc!=2 ){
4259     Tcl_WrongNumArgs(interp, 1, objv, "STMT");
4260     return TCL_ERROR;
4261   }
4262   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
4263   Tcl_SetObjResult(interp, Tcl_NewIntObj(sqlite3_clear_bindings(pStmt)));
4264   return TCL_OK;
4265 }
4266 
4267 /*
4268 ** Usage:   sqlite3_sleep MILLISECONDS
4269 */
4270 static int SQLITE_TCLAPI test_sleep(
4271   void * clientData,
4272   Tcl_Interp *interp,
4273   int objc,
4274   Tcl_Obj *CONST objv[]
4275 ){
4276   int ms;
4277 
4278   if( objc!=2 ){
4279     Tcl_WrongNumArgs(interp, 1, objv, "MILLISECONDS");
4280     return TCL_ERROR;
4281   }
4282   if( Tcl_GetIntFromObj(interp, objv[1], &ms) ){
4283     return TCL_ERROR;
4284   }
4285   Tcl_SetObjResult(interp, Tcl_NewIntObj(sqlite3_sleep(ms)));
4286   return TCL_OK;
4287 }
4288 
4289 /*
4290 ** Usage: sqlite3_extended_errcode DB
4291 **
4292 ** Return the string representation of the most recent sqlite3_* API
4293 ** error code. e.g. "SQLITE_ERROR".
4294 */
4295 static int SQLITE_TCLAPI test_ex_errcode(
4296   void * clientData,
4297   Tcl_Interp *interp,
4298   int objc,
4299   Tcl_Obj *CONST objv[]
4300 ){
4301   sqlite3 *db;
4302   int rc;
4303 
4304   if( objc!=2 ){
4305     Tcl_AppendResult(interp, "wrong # args: should be \"",
4306        Tcl_GetString(objv[0]), " DB", 0);
4307     return TCL_ERROR;
4308   }
4309   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
4310   rc = sqlite3_extended_errcode(db);
4311   Tcl_AppendResult(interp, (char *)t1ErrorName(rc), 0);
4312   return TCL_OK;
4313 }
4314 
4315 
4316 /*
4317 ** Usage: sqlite3_errcode DB
4318 **
4319 ** Return the string representation of the most recent sqlite3_* API
4320 ** error code. e.g. "SQLITE_ERROR".
4321 */
4322 static int SQLITE_TCLAPI test_errcode(
4323   void * clientData,
4324   Tcl_Interp *interp,
4325   int objc,
4326   Tcl_Obj *CONST objv[]
4327 ){
4328   sqlite3 *db;
4329   int rc;
4330 
4331   if( objc!=2 ){
4332     Tcl_AppendResult(interp, "wrong # args: should be \"",
4333        Tcl_GetString(objv[0]), " DB", 0);
4334     return TCL_ERROR;
4335   }
4336   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
4337   rc = sqlite3_errcode(db);
4338   Tcl_AppendResult(interp, (char *)t1ErrorName(rc), 0);
4339   return TCL_OK;
4340 }
4341 
4342 /*
4343 ** Usage:   sqlite3_errmsg DB
4344 **
4345 ** Returns the UTF-8 representation of the error message string for the
4346 ** most recent sqlite3_* API call.
4347 */
4348 static int SQLITE_TCLAPI test_errmsg(
4349   void * clientData,
4350   Tcl_Interp *interp,
4351   int objc,
4352   Tcl_Obj *CONST objv[]
4353 ){
4354   sqlite3 *db;
4355   const char *zErr;
4356 
4357   if( objc!=2 ){
4358     Tcl_AppendResult(interp, "wrong # args: should be \"",
4359        Tcl_GetString(objv[0]), " DB", 0);
4360     return TCL_ERROR;
4361   }
4362   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
4363 
4364   zErr = sqlite3_errmsg(db);
4365   Tcl_SetObjResult(interp, Tcl_NewStringObj(zErr, -1));
4366   return TCL_OK;
4367 }
4368 
4369 
4370 /*
4371 ** Usage:   sqlite3_error_offset DB
4372 **
4373 ** Return the byte offset into the input UTF8 SQL for the most recent
4374 ** error, or -1 of the error does not refer to a specific token.
4375 */
4376 static int SQLITE_TCLAPI test_error_offset(
4377   void * clientData,
4378   Tcl_Interp *interp,
4379   int objc,
4380   Tcl_Obj *CONST objv[]
4381 ){
4382   sqlite3 *db;
4383   int iByteOffset;
4384 
4385   if( objc!=2 ){
4386     Tcl_AppendResult(interp, "wrong # args: should be \"",
4387        Tcl_GetString(objv[0]), " DB", 0);
4388     return TCL_ERROR;
4389   }
4390   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
4391 
4392   iByteOffset = sqlite3_error_offset(db);
4393   Tcl_SetObjResult(interp, Tcl_NewIntObj(iByteOffset));
4394   return TCL_OK;
4395 }
4396 
4397 /*
4398 ** Usage:   test_errmsg16 DB
4399 **
4400 ** Returns the UTF-16 representation of the error message string for the
4401 ** most recent sqlite3_* API call. This is a byte array object at the TCL
4402 ** level, and it includes the 0x00 0x00 terminator bytes at the end of the
4403 ** UTF-16 string.
4404 */
4405 static int SQLITE_TCLAPI test_errmsg16(
4406   void * clientData,
4407   Tcl_Interp *interp,
4408   int objc,
4409   Tcl_Obj *CONST objv[]
4410 ){
4411 #ifndef SQLITE_OMIT_UTF16
4412   sqlite3 *db;
4413   const void *zErr;
4414   const char *z;
4415   int bytes = 0;
4416 
4417   if( objc!=2 ){
4418     Tcl_AppendResult(interp, "wrong # args: should be \"",
4419        Tcl_GetString(objv[0]), " DB", 0);
4420     return TCL_ERROR;
4421   }
4422   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
4423 
4424   zErr = sqlite3_errmsg16(db);
4425   if( zErr ){
4426     z = zErr;
4427     for(bytes=0; z[bytes] || z[bytes+1]; bytes+=2){}
4428   }
4429   Tcl_SetObjResult(interp, Tcl_NewByteArrayObj(zErr, bytes));
4430 #endif /* SQLITE_OMIT_UTF16 */
4431   return TCL_OK;
4432 }
4433 
4434 /*
4435 ** Usage: sqlite3_prepare DB sql bytes ?tailvar?
4436 **
4437 ** Compile up to <bytes> bytes of the supplied SQL string <sql> using
4438 ** database handle <DB>. The parameter <tailval> is the name of a global
4439 ** variable that is set to the unused portion of <sql> (if any). A
4440 ** STMT handle is returned.
4441 */
4442 static int SQLITE_TCLAPI test_prepare(
4443   void * clientData,
4444   Tcl_Interp *interp,
4445   int objc,
4446   Tcl_Obj *CONST objv[]
4447 ){
4448   sqlite3 *db;
4449   const char *zSql;
4450   int bytes;
4451   const char *zTail = 0;
4452   sqlite3_stmt *pStmt = 0;
4453   char zBuf[50];
4454   int rc;
4455 
4456   if( objc!=5 && objc!=4 ){
4457     Tcl_AppendResult(interp, "wrong # args: should be \"",
4458        Tcl_GetString(objv[0]), " DB sql bytes ?tailvar?", 0);
4459     return TCL_ERROR;
4460   }
4461   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
4462   zSql = Tcl_GetString(objv[2]);
4463   if( Tcl_GetIntFromObj(interp, objv[3], &bytes) ) return TCL_ERROR;
4464 
4465   rc = sqlite3_prepare(db, zSql, bytes, &pStmt, objc>=5 ? &zTail : 0);
4466   Tcl_ResetResult(interp);
4467   if( sqlite3TestErrCode(interp, db, rc) ) return TCL_ERROR;
4468   if( zTail && objc>=5 ){
4469     if( bytes>=0 ){
4470       bytes = bytes - (int)(zTail-zSql);
4471     }
4472     if( (int)strlen(zTail)<bytes ){
4473       bytes = (int)strlen(zTail);
4474     }
4475     Tcl_ObjSetVar2(interp, objv[4], 0, Tcl_NewStringObj(zTail, bytes), 0);
4476   }
4477   if( rc!=SQLITE_OK ){
4478     assert( pStmt==0 );
4479     sqlite3_snprintf(sizeof(zBuf), zBuf, "(%d) ", rc);
4480     Tcl_AppendResult(interp, zBuf, sqlite3_errmsg(db), 0);
4481     return TCL_ERROR;
4482   }
4483 
4484   if( pStmt ){
4485     if( sqlite3TestMakePointerStr(interp, zBuf, pStmt) ) return TCL_ERROR;
4486     Tcl_AppendResult(interp, zBuf, 0);
4487   }
4488   return TCL_OK;
4489 }
4490 
4491 /*
4492 ** Usage: sqlite3_prepare_v2 DB sql bytes ?tailvar?
4493 **
4494 ** Compile up to <bytes> bytes of the supplied SQL string <sql> using
4495 ** database handle <DB>. The parameter <tailval> is the name of a global
4496 ** variable that is set to the unused portion of <sql> (if any). A
4497 ** STMT handle is returned.
4498 */
4499 static int SQLITE_TCLAPI test_prepare_v2(
4500   void * clientData,
4501   Tcl_Interp *interp,
4502   int objc,
4503   Tcl_Obj *CONST objv[]
4504 ){
4505   sqlite3 *db;
4506   const char *zSql;
4507   char *zCopy = 0;                /* malloc() copy of zSql */
4508   int bytes;
4509   const char *zTail = 0;
4510   const char **pzTail;
4511   sqlite3_stmt *pStmt = 0;
4512   char zBuf[50];
4513   int rc;
4514 
4515   if( objc!=5 && objc!=4 ){
4516     Tcl_AppendResult(interp, "wrong # args: should be \"",
4517        Tcl_GetString(objv[0]), " DB sql bytes tailvar", 0);
4518     return TCL_ERROR;
4519   }
4520   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
4521   zSql = Tcl_GetString(objv[2]);
4522   if( Tcl_GetIntFromObj(interp, objv[3], &bytes) ) return TCL_ERROR;
4523 
4524   /* Instead of using zSql directly, make a copy into a buffer obtained
4525   ** directly from malloc(). The idea is to make it easier for valgrind
4526   ** to spot buffer overreads.  */
4527   if( bytes>=0 ){
4528     zCopy = malloc(bytes);
4529     memcpy(zCopy, zSql, bytes);
4530   }else{
4531     int n = (int)strlen(zSql) + 1;
4532     zCopy = malloc(n);
4533     memcpy(zCopy, zSql, n);
4534   }
4535   pzTail = objc>=5 ? &zTail : 0;
4536   rc = sqlite3_prepare_v2(db, zCopy, bytes, &pStmt, pzTail);
4537   if( objc>=5 ){
4538     zTail = &zSql[(zTail - zCopy)];
4539   }
4540   free(zCopy);
4541 
4542   assert(rc==SQLITE_OK || pStmt==0);
4543   Tcl_ResetResult(interp);
4544   if( sqlite3TestErrCode(interp, db, rc) ) return TCL_ERROR;
4545   if( rc==SQLITE_OK && objc>=5 && zTail ){
4546     if( bytes>=0 ){
4547       bytes = bytes - (int)(zTail-zSql);
4548     }
4549     Tcl_ObjSetVar2(interp, objv[4], 0, Tcl_NewStringObj(zTail, bytes), 0);
4550   }
4551   if( rc!=SQLITE_OK ){
4552     assert( pStmt==0 );
4553     sqlite3_snprintf(sizeof(zBuf), zBuf, "(%d) ", rc);
4554     Tcl_AppendResult(interp, zBuf, sqlite3_errmsg(db), 0);
4555     return TCL_ERROR;
4556   }
4557 
4558   if( pStmt ){
4559     if( sqlite3TestMakePointerStr(interp, zBuf, pStmt) ) return TCL_ERROR;
4560     Tcl_AppendResult(interp, zBuf, 0);
4561   }
4562   return TCL_OK;
4563 }
4564 
4565 /*
4566 ** Usage: sqlite3_prepare_v3 DB sql bytes flags ?tailvar?
4567 **
4568 ** Compile up to <bytes> bytes of the supplied SQL string <sql> using
4569 ** database handle <DB> and flags <flags>. The parameter <tailval> is
4570 ** the name of a global variable that is set to the unused portion of
4571 ** <sql> (if any). A STMT handle is returned.
4572 */
4573 static int SQLITE_TCLAPI test_prepare_v3(
4574   void * clientData,
4575   Tcl_Interp *interp,
4576   int objc,
4577   Tcl_Obj *CONST objv[]
4578 ){
4579   sqlite3 *db;
4580   const char *zSql;
4581   char *zCopy = 0;                /* malloc() copy of zSql */
4582   int bytes, flags;
4583   const char *zTail = 0;
4584   const char **pzTail;
4585   sqlite3_stmt *pStmt = 0;
4586   char zBuf[50];
4587   int rc;
4588 
4589   if( objc!=6 && objc!=5 ){
4590     Tcl_AppendResult(interp, "wrong # args: should be \"",
4591        Tcl_GetString(objv[0]), " DB sql bytes flags tailvar", 0);
4592     return TCL_ERROR;
4593   }
4594   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
4595   zSql = Tcl_GetString(objv[2]);
4596   if( Tcl_GetIntFromObj(interp, objv[3], &bytes) ) return TCL_ERROR;
4597   if( Tcl_GetIntFromObj(interp, objv[4], &flags) ) return TCL_ERROR;
4598 
4599   /* Instead of using zSql directly, make a copy into a buffer obtained
4600   ** directly from malloc(). The idea is to make it easier for valgrind
4601   ** to spot buffer overreads.  */
4602   if( bytes>=0 ){
4603     zCopy = malloc(bytes);
4604     memcpy(zCopy, zSql, bytes);
4605   }else{
4606     int n = (int)strlen(zSql) + 1;
4607     zCopy = malloc(n);
4608     memcpy(zCopy, zSql, n);
4609   }
4610   pzTail = objc>=6 ? &zTail : 0;
4611   rc = sqlite3_prepare_v3(db, zCopy, bytes, (unsigned int)flags,&pStmt,pzTail);
4612   free(zCopy);
4613   zTail = &zSql[(zTail - zCopy)];
4614 
4615   assert(rc==SQLITE_OK || pStmt==0);
4616   Tcl_ResetResult(interp);
4617   if( sqlite3TestErrCode(interp, db, rc) ) return TCL_ERROR;
4618   if( rc==SQLITE_OK && zTail && objc>=6 ){
4619     if( bytes>=0 ){
4620       bytes = bytes - (int)(zTail-zSql);
4621     }
4622     Tcl_ObjSetVar2(interp, objv[5], 0, Tcl_NewStringObj(zTail, bytes), 0);
4623   }
4624   if( rc!=SQLITE_OK ){
4625     assert( pStmt==0 );
4626     sqlite3_snprintf(sizeof(zBuf), zBuf, "(%d) ", rc);
4627     Tcl_AppendResult(interp, zBuf, sqlite3_errmsg(db), 0);
4628     return TCL_ERROR;
4629   }
4630 
4631   if( pStmt ){
4632     if( sqlite3TestMakePointerStr(interp, zBuf, pStmt) ) return TCL_ERROR;
4633     Tcl_AppendResult(interp, zBuf, 0);
4634   }
4635   return TCL_OK;
4636 }
4637 
4638 /*
4639 ** Usage: sqlite3_prepare_tkt3134 DB
4640 **
4641 ** Generate a prepared statement for a zero-byte string as a test
4642 ** for ticket #3134.  The string should be preceded by a zero byte.
4643 */
4644 static int SQLITE_TCLAPI test_prepare_tkt3134(
4645   void * clientData,
4646   Tcl_Interp *interp,
4647   int objc,
4648   Tcl_Obj *CONST objv[]
4649 ){
4650   sqlite3 *db;
4651   static const char zSql[] = "\000SELECT 1";
4652   sqlite3_stmt *pStmt = 0;
4653   char zBuf[50];
4654   int rc;
4655 
4656   if( objc!=2 ){
4657     Tcl_AppendResult(interp, "wrong # args: should be \"",
4658        Tcl_GetString(objv[0]), " DB sql bytes tailvar", 0);
4659     return TCL_ERROR;
4660   }
4661   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
4662   rc = sqlite3_prepare_v2(db, &zSql[1], 0, &pStmt, 0);
4663   assert(rc==SQLITE_OK || pStmt==0);
4664   if( sqlite3TestErrCode(interp, db, rc) ) return TCL_ERROR;
4665   if( rc!=SQLITE_OK ){
4666     assert( pStmt==0 );
4667     sqlite3_snprintf(sizeof(zBuf), zBuf, "(%d) ", rc);
4668     Tcl_AppendResult(interp, zBuf, sqlite3_errmsg(db), 0);
4669     return TCL_ERROR;
4670   }
4671 
4672   if( pStmt ){
4673     if( sqlite3TestMakePointerStr(interp, zBuf, pStmt) ) return TCL_ERROR;
4674     Tcl_AppendResult(interp, zBuf, 0);
4675   }
4676   return TCL_OK;
4677 }
4678 
4679 /*
4680 ** Usage: sqlite3_prepare16 DB sql bytes tailvar
4681 **
4682 ** Compile up to <bytes> bytes of the supplied SQL string <sql> using
4683 ** database handle <DB>. The parameter <tailval> is the name of a global
4684 ** variable that is set to the unused portion of <sql> (if any). A
4685 ** STMT handle is returned.
4686 */
4687 static int SQLITE_TCLAPI test_prepare16(
4688   void * clientData,
4689   Tcl_Interp *interp,
4690   int objc,
4691   Tcl_Obj *CONST objv[]
4692 ){
4693 #ifndef SQLITE_OMIT_UTF16
4694   sqlite3 *db;
4695   const void *zSql;
4696   const void *zTail = 0;
4697   Tcl_Obj *pTail = 0;
4698   sqlite3_stmt *pStmt = 0;
4699   char zBuf[50];
4700   int rc;
4701   int bytes;                /* The integer specified as arg 3 */
4702   int objlen;               /* The byte-array length of arg 2 */
4703 
4704   if( objc!=5 && objc!=4 ){
4705     Tcl_AppendResult(interp, "wrong # args: should be \"",
4706        Tcl_GetString(objv[0]), " DB sql bytes ?tailvar?", 0);
4707     return TCL_ERROR;
4708   }
4709   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
4710   zSql = Tcl_GetByteArrayFromObj(objv[2], &objlen);
4711   if( Tcl_GetIntFromObj(interp, objv[3], &bytes) ) return TCL_ERROR;
4712 
4713   rc = sqlite3_prepare16(db, zSql, bytes, &pStmt, objc>=5 ? &zTail : 0);
4714   if( sqlite3TestErrCode(interp, db, rc) ) return TCL_ERROR;
4715   if( rc ){
4716     return TCL_ERROR;
4717   }
4718 
4719   if( objc>=5 ){
4720     if( zTail ){
4721       objlen = objlen - (int)((u8 *)zTail-(u8 *)zSql);
4722     }else{
4723       objlen = 0;
4724     }
4725     pTail = Tcl_NewByteArrayObj((u8 *)zTail, objlen);
4726     Tcl_IncrRefCount(pTail);
4727     Tcl_ObjSetVar2(interp, objv[4], 0, pTail, 0);
4728     Tcl_DecrRefCount(pTail);
4729   }
4730 
4731   if( pStmt ){
4732     if( sqlite3TestMakePointerStr(interp, zBuf, pStmt) ) return TCL_ERROR;
4733   }
4734   Tcl_AppendResult(interp, zBuf, 0);
4735 #endif /* SQLITE_OMIT_UTF16 */
4736   return TCL_OK;
4737 }
4738 
4739 /*
4740 ** Usage: sqlite3_prepare16_v2 DB sql bytes ?tailvar?
4741 **
4742 ** Compile up to <bytes> bytes of the supplied SQL string <sql> using
4743 ** database handle <DB>. The parameter <tailval> is the name of a global
4744 ** variable that is set to the unused portion of <sql> (if any). A
4745 ** STMT handle is returned.
4746 */
4747 static int SQLITE_TCLAPI test_prepare16_v2(
4748   void * clientData,
4749   Tcl_Interp *interp,
4750   int objc,
4751   Tcl_Obj *CONST objv[]
4752 ){
4753 #ifndef SQLITE_OMIT_UTF16
4754   sqlite3 *db;
4755   const void *zSql;
4756   const void *zTail = 0;
4757   Tcl_Obj *pTail = 0;
4758   sqlite3_stmt *pStmt = 0;
4759   char zBuf[50];
4760   int rc;
4761   int bytes;                /* The integer specified as arg 3 */
4762   int objlen;               /* The byte-array length of arg 2 */
4763 
4764   if( objc!=5 && objc!=4 ){
4765     Tcl_AppendResult(interp, "wrong # args: should be \"",
4766        Tcl_GetString(objv[0]), " DB sql bytes ?tailvar?", 0);
4767     return TCL_ERROR;
4768   }
4769   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
4770   zSql = Tcl_GetByteArrayFromObj(objv[2], &objlen);
4771   if( Tcl_GetIntFromObj(interp, objv[3], &bytes) ) return TCL_ERROR;
4772 
4773   rc = sqlite3_prepare16_v2(db, zSql, bytes, &pStmt, objc>=5 ? &zTail : 0);
4774   if( sqlite3TestErrCode(interp, db, rc) ) return TCL_ERROR;
4775   if( rc ){
4776     return TCL_ERROR;
4777   }
4778 
4779   if( objc>=5 ){
4780     if( zTail ){
4781       objlen = objlen - (int)((u8 *)zTail-(u8 *)zSql);
4782     }else{
4783       objlen = 0;
4784     }
4785     pTail = Tcl_NewByteArrayObj((u8 *)zTail, objlen);
4786     Tcl_IncrRefCount(pTail);
4787     Tcl_ObjSetVar2(interp, objv[4], 0, pTail, 0);
4788     Tcl_DecrRefCount(pTail);
4789   }
4790 
4791   if( pStmt ){
4792     if( sqlite3TestMakePointerStr(interp, zBuf, pStmt) ) return TCL_ERROR;
4793   }
4794   Tcl_AppendResult(interp, zBuf, 0);
4795 #endif /* SQLITE_OMIT_UTF16 */
4796   return TCL_OK;
4797 }
4798 
4799 /*
4800 ** Usage: sqlite3_open filename ?options-list?
4801 */
4802 static int SQLITE_TCLAPI test_open(
4803   void * clientData,
4804   Tcl_Interp *interp,
4805   int objc,
4806   Tcl_Obj *CONST objv[]
4807 ){
4808   const char *zFilename;
4809   sqlite3 *db;
4810   char zBuf[100];
4811 
4812   if( objc!=3 && objc!=2 && objc!=1 ){
4813     Tcl_AppendResult(interp, "wrong # args: should be \"",
4814        Tcl_GetString(objv[0]), " filename options-list", 0);
4815     return TCL_ERROR;
4816   }
4817 
4818   zFilename = objc>1 ? Tcl_GetString(objv[1]) : 0;
4819   sqlite3_open(zFilename, &db);
4820 
4821   if( sqlite3TestMakePointerStr(interp, zBuf, db) ) return TCL_ERROR;
4822   Tcl_AppendResult(interp, zBuf, 0);
4823   return TCL_OK;
4824 }
4825 
4826 /*
4827 ** Usage: sqlite3_open_v2 FILENAME FLAGS VFS
4828 */
4829 static int SQLITE_TCLAPI test_open_v2(
4830   void * clientData,
4831   Tcl_Interp *interp,
4832   int objc,
4833   Tcl_Obj *CONST objv[]
4834 ){
4835   const char *zFilename;
4836   const char *zVfs;
4837   int flags = 0;
4838   sqlite3 *db;
4839   int rc;
4840   char zBuf[100];
4841 
4842   int nFlag;
4843   Tcl_Obj **apFlag;
4844   int i;
4845 
4846   if( objc!=4 ){
4847     Tcl_WrongNumArgs(interp, 1, objv, "FILENAME FLAGS VFS");
4848     return TCL_ERROR;
4849   }
4850   zFilename = Tcl_GetString(objv[1]);
4851   zVfs = Tcl_GetString(objv[3]);
4852   if( zVfs[0]==0x00 ) zVfs = 0;
4853 
4854   rc = Tcl_ListObjGetElements(interp, objv[2], &nFlag, &apFlag);
4855   if( rc!=TCL_OK ) return rc;
4856   for(i=0; i<nFlag; i++){
4857     int iFlag;
4858     struct OpenFlag {
4859       const char *zFlag;
4860       int flag;
4861     } aFlag[] = {
4862       { "SQLITE_OPEN_READONLY", SQLITE_OPEN_READONLY },
4863       { "SQLITE_OPEN_READWRITE", SQLITE_OPEN_READWRITE },
4864       { "SQLITE_OPEN_CREATE", SQLITE_OPEN_CREATE },
4865       { "SQLITE_OPEN_DELETEONCLOSE", SQLITE_OPEN_DELETEONCLOSE },
4866       { "SQLITE_OPEN_EXCLUSIVE", SQLITE_OPEN_EXCLUSIVE },
4867       { "SQLITE_OPEN_AUTOPROXY", SQLITE_OPEN_AUTOPROXY },
4868       { "SQLITE_OPEN_MAIN_DB", SQLITE_OPEN_MAIN_DB },
4869       { "SQLITE_OPEN_TEMP_DB", SQLITE_OPEN_TEMP_DB },
4870       { "SQLITE_OPEN_TRANSIENT_DB", SQLITE_OPEN_TRANSIENT_DB },
4871       { "SQLITE_OPEN_MAIN_JOURNAL", SQLITE_OPEN_MAIN_JOURNAL },
4872       { "SQLITE_OPEN_TEMP_JOURNAL", SQLITE_OPEN_TEMP_JOURNAL },
4873       { "SQLITE_OPEN_SUBJOURNAL", SQLITE_OPEN_SUBJOURNAL },
4874       { "SQLITE_OPEN_SUPER_JOURNAL", SQLITE_OPEN_SUPER_JOURNAL },
4875       { "SQLITE_OPEN_NOMUTEX", SQLITE_OPEN_NOMUTEX },
4876       { "SQLITE_OPEN_FULLMUTEX", SQLITE_OPEN_FULLMUTEX },
4877       { "SQLITE_OPEN_SHAREDCACHE", SQLITE_OPEN_SHAREDCACHE },
4878       { "SQLITE_OPEN_PRIVATECACHE", SQLITE_OPEN_PRIVATECACHE },
4879       { "SQLITE_OPEN_WAL", SQLITE_OPEN_WAL },
4880       { "SQLITE_OPEN_URI", SQLITE_OPEN_URI },
4881       { "SQLITE_OPEN_EXRESCODE", SQLITE_OPEN_EXRESCODE },
4882       { 0, 0 }
4883     };
4884     rc = Tcl_GetIndexFromObjStruct(interp, apFlag[i], aFlag, sizeof(aFlag[0]),
4885         "flag", 0, &iFlag
4886     );
4887     if( rc!=TCL_OK ) return rc;
4888     flags |= aFlag[iFlag].flag;
4889   }
4890 
4891   rc = sqlite3_open_v2(zFilename, &db, flags, zVfs);
4892   if( sqlite3TestMakePointerStr(interp, zBuf, db) ) return TCL_ERROR;
4893   Tcl_AppendResult(interp, zBuf, 0);
4894   return TCL_OK;
4895 }
4896 
4897 /*
4898 ** Usage: sqlite3_open16 filename options
4899 */
4900 static int SQLITE_TCLAPI test_open16(
4901   void * clientData,
4902   Tcl_Interp *interp,
4903   int objc,
4904   Tcl_Obj *CONST objv[]
4905 ){
4906 #ifndef SQLITE_OMIT_UTF16
4907   const void *zFilename;
4908   sqlite3 *db;
4909   char zBuf[100];
4910 
4911   if( objc!=3 ){
4912     Tcl_AppendResult(interp, "wrong # args: should be \"",
4913        Tcl_GetString(objv[0]), " filename options-list", 0);
4914     return TCL_ERROR;
4915   }
4916 
4917   zFilename = Tcl_GetByteArrayFromObj(objv[1], 0);
4918   sqlite3_open16(zFilename, &db);
4919 
4920   if( sqlite3TestMakePointerStr(interp, zBuf, db) ) return TCL_ERROR;
4921   Tcl_AppendResult(interp, zBuf, 0);
4922 #endif /* SQLITE_OMIT_UTF16 */
4923   return TCL_OK;
4924 }
4925 
4926 /*
4927 ** Usage: sqlite3_complete16 <UTF-16 string>
4928 **
4929 ** Return 1 if the supplied argument is a complete SQL statement, or zero
4930 ** otherwise.
4931 */
4932 static int SQLITE_TCLAPI test_complete16(
4933   void * clientData,
4934   Tcl_Interp *interp,
4935   int objc,
4936   Tcl_Obj *CONST objv[]
4937 ){
4938 #if !defined(SQLITE_OMIT_COMPLETE) && !defined(SQLITE_OMIT_UTF16)
4939   char *zBuf;
4940 
4941   if( objc!=2 ){
4942     Tcl_WrongNumArgs(interp, 1, objv, "<utf-16 sql>");
4943     return TCL_ERROR;
4944   }
4945 
4946   zBuf = (char*)Tcl_GetByteArrayFromObj(objv[1], 0);
4947   Tcl_SetObjResult(interp, Tcl_NewIntObj(sqlite3_complete16(zBuf)));
4948 #endif /* SQLITE_OMIT_COMPLETE && SQLITE_OMIT_UTF16 */
4949   return TCL_OK;
4950 }
4951 
4952 /*
4953 ** Usage: sqlite3_normalize SQL
4954 **
4955 ** Return the normalized value for an SQL statement.
4956 */
4957 static int SQLITE_TCLAPI test_normalize(
4958   void * clientData,
4959   Tcl_Interp *interp,
4960   int objc,
4961   Tcl_Obj *CONST objv[]
4962 ){
4963   char *zSql;
4964   char *zNorm;
4965   extern char *sqlite3_normalize(const char*);
4966 
4967   if( objc!=2 ){
4968     Tcl_WrongNumArgs(interp, 1, objv, "SQL");
4969     return TCL_ERROR;
4970   }
4971 
4972   zSql = (char*)Tcl_GetString(objv[1]);
4973   zNorm = sqlite3_normalize(zSql);
4974   if( zNorm ){
4975     Tcl_SetObjResult(interp, Tcl_NewStringObj(zNorm, -1));
4976     sqlite3_free(zNorm);
4977   }
4978   return TCL_OK;
4979 }
4980 
4981 /*
4982 ** Usage: sqlite3_step STMT
4983 **
4984 ** Advance the statement to the next row.
4985 */
4986 static int SQLITE_TCLAPI test_step(
4987   void * clientData,
4988   Tcl_Interp *interp,
4989   int objc,
4990   Tcl_Obj *CONST objv[]
4991 ){
4992   sqlite3_stmt *pStmt;
4993   int rc;
4994 
4995   if( objc!=2 ){
4996     Tcl_AppendResult(interp, "wrong # args: should be \"",
4997        Tcl_GetString(objv[0]), " STMT", 0);
4998     return TCL_ERROR;
4999   }
5000 
5001   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
5002   rc = sqlite3_step(pStmt);
5003 
5004   /* if( rc!=SQLITE_DONE && rc!=SQLITE_ROW ) return TCL_ERROR; */
5005   Tcl_SetResult(interp, (char *)t1ErrorName(rc), 0);
5006   return TCL_OK;
5007 }
5008 
5009 static int SQLITE_TCLAPI test_sql(
5010   void * clientData,
5011   Tcl_Interp *interp,
5012   int objc,
5013   Tcl_Obj *CONST objv[]
5014 ){
5015   sqlite3_stmt *pStmt;
5016 
5017   if( objc!=2 ){
5018     Tcl_WrongNumArgs(interp, 1, objv, "STMT");
5019     return TCL_ERROR;
5020   }
5021 
5022   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
5023   Tcl_SetResult(interp, (char *)sqlite3_sql(pStmt), TCL_VOLATILE);
5024   return TCL_OK;
5025 }
5026 static int SQLITE_TCLAPI test_ex_sql(
5027   void * clientData,
5028   Tcl_Interp *interp,
5029   int objc,
5030   Tcl_Obj *CONST objv[]
5031 ){
5032   sqlite3_stmt *pStmt;
5033   char *z;
5034 
5035   if( objc!=2 ){
5036     Tcl_WrongNumArgs(interp, 1, objv, "STMT");
5037     return TCL_ERROR;
5038   }
5039 
5040   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
5041   z = sqlite3_expanded_sql(pStmt);
5042   Tcl_SetResult(interp, z, TCL_VOLATILE);
5043   sqlite3_free(z);
5044   return TCL_OK;
5045 }
5046 #ifdef SQLITE_ENABLE_NORMALIZE
5047 static int SQLITE_TCLAPI test_norm_sql(
5048   void * clientData,
5049   Tcl_Interp *interp,
5050   int objc,
5051   Tcl_Obj *CONST objv[]
5052 ){
5053   sqlite3_stmt *pStmt;
5054 
5055   if( objc!=2 ){
5056     Tcl_WrongNumArgs(interp, 1, objv, "STMT");
5057     return TCL_ERROR;
5058   }
5059 
5060   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
5061   Tcl_SetResult(interp, (char *)sqlite3_normalized_sql(pStmt), TCL_VOLATILE);
5062   return TCL_OK;
5063 }
5064 #endif /* SQLITE_ENABLE_NORMALIZE */
5065 
5066 /*
5067 ** Usage: sqlite3_column_count STMT
5068 **
5069 ** Return the number of columns returned by the sql statement STMT.
5070 */
5071 static int SQLITE_TCLAPI test_column_count(
5072   void * clientData,
5073   Tcl_Interp *interp,
5074   int objc,
5075   Tcl_Obj *CONST objv[]
5076 ){
5077   sqlite3_stmt *pStmt;
5078 
5079   if( objc!=2 ){
5080     Tcl_AppendResult(interp, "wrong # args: should be \"",
5081        Tcl_GetString(objv[0]), " STMT column", 0);
5082     return TCL_ERROR;
5083   }
5084 
5085   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
5086 
5087   Tcl_SetObjResult(interp, Tcl_NewIntObj(sqlite3_column_count(pStmt)));
5088   return TCL_OK;
5089 }
5090 
5091 /*
5092 ** Usage: sqlite3_column_type STMT column
5093 **
5094 ** Return the type of the data in column 'column' of the current row.
5095 */
5096 static int SQLITE_TCLAPI test_column_type(
5097   void * clientData,
5098   Tcl_Interp *interp,
5099   int objc,
5100   Tcl_Obj *CONST objv[]
5101 ){
5102   sqlite3_stmt *pStmt;
5103   int col;
5104   int tp;
5105 
5106   if( objc!=3 ){
5107     Tcl_AppendResult(interp, "wrong # args: should be \"",
5108        Tcl_GetString(objv[0]), " STMT column", 0);
5109     return TCL_ERROR;
5110   }
5111 
5112   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
5113   if( Tcl_GetIntFromObj(interp, objv[2], &col) ) return TCL_ERROR;
5114 
5115   tp = sqlite3_column_type(pStmt, col);
5116   switch( tp ){
5117     case SQLITE_INTEGER:
5118       Tcl_SetResult(interp, "INTEGER", TCL_STATIC);
5119       break;
5120     case SQLITE_NULL:
5121       Tcl_SetResult(interp, "NULL", TCL_STATIC);
5122       break;
5123     case SQLITE_FLOAT:
5124       Tcl_SetResult(interp, "FLOAT", TCL_STATIC);
5125       break;
5126     case SQLITE_TEXT:
5127       Tcl_SetResult(interp, "TEXT", TCL_STATIC);
5128       break;
5129     case SQLITE_BLOB:
5130       Tcl_SetResult(interp, "BLOB", TCL_STATIC);
5131       break;
5132     default:
5133       assert(0);
5134   }
5135 
5136   return TCL_OK;
5137 }
5138 
5139 /*
5140 ** Usage: sqlite3_column_int64 STMT column
5141 **
5142 ** Return the data in column 'column' of the current row cast as an
5143 ** wide (64-bit) integer.
5144 */
5145 static int SQLITE_TCLAPI test_column_int64(
5146   void * clientData,
5147   Tcl_Interp *interp,
5148   int objc,
5149   Tcl_Obj *CONST objv[]
5150 ){
5151   sqlite3_stmt *pStmt;
5152   int col;
5153   i64 iVal;
5154 
5155   if( objc!=3 ){
5156     Tcl_AppendResult(interp, "wrong # args: should be \"",
5157        Tcl_GetString(objv[0]), " STMT column", 0);
5158     return TCL_ERROR;
5159   }
5160 
5161   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
5162   if( Tcl_GetIntFromObj(interp, objv[2], &col) ) return TCL_ERROR;
5163 
5164   iVal = sqlite3_column_int64(pStmt, col);
5165   Tcl_SetObjResult(interp, Tcl_NewWideIntObj(iVal));
5166   return TCL_OK;
5167 }
5168 
5169 /*
5170 ** Usage: sqlite3_column_blob STMT column
5171 */
5172 static int SQLITE_TCLAPI test_column_blob(
5173   void * clientData,
5174   Tcl_Interp *interp,
5175   int objc,
5176   Tcl_Obj *CONST objv[]
5177 ){
5178   sqlite3_stmt *pStmt;
5179   int col;
5180 
5181   int len;
5182   const void *pBlob;
5183 
5184   if( objc!=3 ){
5185     Tcl_AppendResult(interp, "wrong # args: should be \"",
5186        Tcl_GetString(objv[0]), " STMT column", 0);
5187     return TCL_ERROR;
5188   }
5189 
5190   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
5191   if( Tcl_GetIntFromObj(interp, objv[2], &col) ) return TCL_ERROR;
5192 
5193   len = sqlite3_column_bytes(pStmt, col);
5194   pBlob = sqlite3_column_blob(pStmt, col);
5195   Tcl_SetObjResult(interp, Tcl_NewByteArrayObj(pBlob, len));
5196   return TCL_OK;
5197 }
5198 
5199 /*
5200 ** Usage: sqlite3_column_double STMT column
5201 **
5202 ** Return the data in column 'column' of the current row cast as a double.
5203 */
5204 static int SQLITE_TCLAPI test_column_double(
5205   void * clientData,
5206   Tcl_Interp *interp,
5207   int objc,
5208   Tcl_Obj *CONST objv[]
5209 ){
5210   sqlite3_stmt *pStmt;
5211   int col;
5212   double rVal;
5213 
5214   if( objc!=3 ){
5215     Tcl_AppendResult(interp, "wrong # args: should be \"",
5216        Tcl_GetString(objv[0]), " STMT column", 0);
5217     return TCL_ERROR;
5218   }
5219 
5220   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
5221   if( Tcl_GetIntFromObj(interp, objv[2], &col) ) return TCL_ERROR;
5222 
5223   rVal = sqlite3_column_double(pStmt, col);
5224   Tcl_SetObjResult(interp, Tcl_NewDoubleObj(rVal));
5225   return TCL_OK;
5226 }
5227 
5228 /*
5229 ** Usage: sqlite3_data_count STMT
5230 **
5231 ** Return the number of columns returned by the sql statement STMT.
5232 */
5233 static int SQLITE_TCLAPI test_data_count(
5234   void * clientData,
5235   Tcl_Interp *interp,
5236   int objc,
5237   Tcl_Obj *CONST objv[]
5238 ){
5239   sqlite3_stmt *pStmt;
5240 
5241   if( objc!=2 ){
5242     Tcl_AppendResult(interp, "wrong # args: should be \"",
5243        Tcl_GetString(objv[0]), " STMT column", 0);
5244     return TCL_ERROR;
5245   }
5246 
5247   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
5248 
5249   Tcl_SetObjResult(interp, Tcl_NewIntObj(sqlite3_data_count(pStmt)));
5250   return TCL_OK;
5251 }
5252 
5253 /*
5254 ** Usage: sqlite3_column_text STMT column
5255 **
5256 ** Usage: sqlite3_column_decltype STMT column
5257 **
5258 ** Usage: sqlite3_column_name STMT column
5259 */
5260 static int SQLITE_TCLAPI test_stmt_utf8(
5261   void * clientData,        /* Pointer to SQLite API function to be invoke */
5262   Tcl_Interp *interp,
5263   int objc,
5264   Tcl_Obj *CONST objv[]
5265 ){
5266   sqlite3_stmt *pStmt;
5267   int col;
5268   const char *(*xFunc)(sqlite3_stmt*, int);
5269   const char *zRet;
5270 
5271   xFunc = (const char *(*)(sqlite3_stmt*, int))clientData;
5272   if( objc!=3 ){
5273     Tcl_AppendResult(interp, "wrong # args: should be \"",
5274        Tcl_GetString(objv[0]), " STMT column", 0);
5275     return TCL_ERROR;
5276   }
5277 
5278   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
5279   if( Tcl_GetIntFromObj(interp, objv[2], &col) ) return TCL_ERROR;
5280   zRet = xFunc(pStmt, col);
5281   if( zRet ){
5282     Tcl_SetResult(interp, (char *)zRet, 0);
5283   }
5284   return TCL_OK;
5285 }
5286 
5287 static int SQLITE_TCLAPI test_global_recover(
5288   void * clientData,
5289   Tcl_Interp *interp,
5290   int objc,
5291   Tcl_Obj *CONST objv[]
5292 ){
5293 #ifndef SQLITE_OMIT_DEPRECATED
5294   int rc;
5295   if( objc!=1 ){
5296     Tcl_WrongNumArgs(interp, 1, objv, "");
5297     return TCL_ERROR;
5298   }
5299   rc = sqlite3_global_recover();
5300   Tcl_SetResult(interp, (char *)t1ErrorName(rc), TCL_STATIC);
5301 #endif
5302   return TCL_OK;
5303 }
5304 
5305 /*
5306 ** Usage: sqlite3_column_text STMT column
5307 **
5308 ** Usage: sqlite3_column_decltype STMT column
5309 **
5310 ** Usage: sqlite3_column_name STMT column
5311 */
5312 static int SQLITE_TCLAPI test_stmt_utf16(
5313   void * clientData,     /* Pointer to SQLite API function to be invoked */
5314   Tcl_Interp *interp,
5315   int objc,
5316   Tcl_Obj *CONST objv[]
5317 ){
5318 #ifndef SQLITE_OMIT_UTF16
5319   sqlite3_stmt *pStmt;
5320   int col;
5321   Tcl_Obj *pRet;
5322   const void *zName16;
5323   const void *(*xFunc)(sqlite3_stmt*, int);
5324 
5325   xFunc = (const void *(*)(sqlite3_stmt*, int))clientData;
5326   if( objc!=3 ){
5327     Tcl_AppendResult(interp, "wrong # args: should be \"",
5328        Tcl_GetString(objv[0]), " STMT column", 0);
5329     return TCL_ERROR;
5330   }
5331 
5332   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
5333   if( Tcl_GetIntFromObj(interp, objv[2], &col) ) return TCL_ERROR;
5334 
5335   zName16 = xFunc(pStmt, col);
5336   if( zName16 ){
5337     int n;
5338     const char *z = zName16;
5339     for(n=0; z[n] || z[n+1]; n+=2){}
5340     pRet = Tcl_NewByteArrayObj(zName16, n+2);
5341     Tcl_SetObjResult(interp, pRet);
5342   }
5343 #endif /* SQLITE_OMIT_UTF16 */
5344 
5345   return TCL_OK;
5346 }
5347 
5348 /*
5349 ** Usage: sqlite3_column_int STMT column
5350 **
5351 ** Usage: sqlite3_column_bytes STMT column
5352 **
5353 ** Usage: sqlite3_column_bytes16 STMT column
5354 **
5355 */
5356 static int SQLITE_TCLAPI test_stmt_int(
5357   void * clientData,    /* Pointer to SQLite API function to be invoked */
5358   Tcl_Interp *interp,
5359   int objc,
5360   Tcl_Obj *CONST objv[]
5361 ){
5362   sqlite3_stmt *pStmt;
5363   int col;
5364   int (*xFunc)(sqlite3_stmt*, int);
5365 
5366   xFunc = (int (*)(sqlite3_stmt*, int))clientData;
5367   if( objc!=3 ){
5368     Tcl_AppendResult(interp, "wrong # args: should be \"",
5369        Tcl_GetString(objv[0]), " STMT column", 0);
5370     return TCL_ERROR;
5371   }
5372 
5373   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
5374   if( Tcl_GetIntFromObj(interp, objv[2], &col) ) return TCL_ERROR;
5375 
5376   Tcl_SetObjResult(interp, Tcl_NewIntObj(xFunc(pStmt, col)));
5377   return TCL_OK;
5378 }
5379 
5380 
5381 /*
5382 ** Usage:  sqlite3_interrupt  DB
5383 **
5384 ** Trigger an interrupt on DB
5385 */
5386 static int SQLITE_TCLAPI test_interrupt(
5387   void * clientData,
5388   Tcl_Interp *interp,
5389   int argc,
5390   char **argv
5391 ){
5392   sqlite3 *db;
5393   if( argc!=2 ){
5394     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0], " DB", 0);
5395     return TCL_ERROR;
5396   }
5397   if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
5398   sqlite3_interrupt(db);
5399   return TCL_OK;
5400 }
5401 
5402 /*
5403 ** Usage: sqlite_delete_function DB function-name
5404 **
5405 ** Delete the user function 'function-name' from database handle DB. It
5406 ** is assumed that the user function was created as UTF8, any number of
5407 ** arguments (the way the TCL interface does it).
5408 */
5409 static int SQLITE_TCLAPI delete_function(
5410   void * clientData,
5411   Tcl_Interp *interp,
5412   int argc,
5413   char **argv
5414 ){
5415   int rc;
5416   sqlite3 *db;
5417   if( argc!=3 ){
5418     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
5419         " DB function-name", 0);
5420     return TCL_ERROR;
5421   }
5422   if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
5423   rc = sqlite3_create_function(db, argv[2], -1, SQLITE_UTF8, 0, 0, 0, 0);
5424   Tcl_SetResult(interp, (char *)t1ErrorName(rc), TCL_STATIC);
5425   return TCL_OK;
5426 }
5427 
5428 /*
5429 ** Usage: sqlite_delete_collation DB collation-name
5430 **
5431 ** Delete the collation sequence 'collation-name' from database handle
5432 ** DB. It is assumed that the collation sequence was created as UTF8 (the
5433 ** way the TCL interface does it).
5434 */
5435 static int SQLITE_TCLAPI delete_collation(
5436   void * clientData,
5437   Tcl_Interp *interp,
5438   int argc,
5439   char **argv
5440 ){
5441   int rc;
5442   sqlite3 *db;
5443   if( argc!=3 ){
5444     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
5445         " DB function-name", 0);
5446     return TCL_ERROR;
5447   }
5448   if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
5449   rc = sqlite3_create_collation(db, argv[2], SQLITE_UTF8, 0, 0);
5450   Tcl_SetResult(interp, (char *)t1ErrorName(rc), TCL_STATIC);
5451   return TCL_OK;
5452 }
5453 
5454 /*
5455 ** Usage: sqlite3_get_autocommit DB
5456 **
5457 ** Return true if the database DB is currently in auto-commit mode.
5458 ** Return false if not.
5459 */
5460 static int SQLITE_TCLAPI get_autocommit(
5461   void * clientData,
5462   Tcl_Interp *interp,
5463   int argc,
5464   char **argv
5465 ){
5466   char zBuf[30];
5467   sqlite3 *db;
5468   if( argc!=2 ){
5469     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
5470         " DB", 0);
5471     return TCL_ERROR;
5472   }
5473   if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
5474   sqlite3_snprintf(sizeof(zBuf), zBuf, "%d", sqlite3_get_autocommit(db));
5475   Tcl_AppendResult(interp, zBuf, 0);
5476   return TCL_OK;
5477 }
5478 
5479 /*
5480 ** Usage: sqlite3_busy_timeout DB MS
5481 **
5482 ** Set the busy timeout.  This is more easily done using the timeout
5483 ** method of the TCL interface.  But we need a way to test the case
5484 ** where it returns SQLITE_MISUSE.
5485 */
5486 static int SQLITE_TCLAPI test_busy_timeout(
5487   void * clientData,
5488   Tcl_Interp *interp,
5489   int argc,
5490   char **argv
5491 ){
5492   int rc, ms;
5493   sqlite3 *db;
5494   if( argc!=3 ){
5495     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
5496         " DB", 0);
5497     return TCL_ERROR;
5498   }
5499   if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
5500   if( Tcl_GetInt(interp, argv[2], &ms) ) return TCL_ERROR;
5501   rc = sqlite3_busy_timeout(db, ms);
5502   Tcl_AppendResult(interp, sqlite3ErrName(rc), 0);
5503   return TCL_OK;
5504 }
5505 
5506 /*
5507 ** Usage:  tcl_variable_type VARIABLENAME
5508 **
5509 ** Return the name of the internal representation for the
5510 ** value of the given variable.
5511 */
5512 static int SQLITE_TCLAPI tcl_variable_type(
5513   void * clientData,
5514   Tcl_Interp *interp,
5515   int objc,
5516   Tcl_Obj *CONST objv[]
5517 ){
5518   Tcl_Obj *pVar;
5519   if( objc!=2 ){
5520     Tcl_WrongNumArgs(interp, 1, objv, "VARIABLE");
5521     return TCL_ERROR;
5522   }
5523   pVar = Tcl_GetVar2Ex(interp, Tcl_GetString(objv[1]), 0, TCL_LEAVE_ERR_MSG);
5524   if( pVar==0 ) return TCL_ERROR;
5525   if( pVar->typePtr ){
5526     Tcl_SetObjResult(interp, Tcl_NewStringObj(pVar->typePtr->name, -1));
5527   }
5528   return TCL_OK;
5529 }
5530 
5531 /*
5532 ** Usage:  sqlite3_release_memory ?N?
5533 **
5534 ** Attempt to release memory currently held but not actually required.
5535 ** The integer N is the number of bytes we are trying to release.  The
5536 ** return value is the amount of memory actually released.
5537 */
5538 static int SQLITE_TCLAPI test_release_memory(
5539   void * clientData,
5540   Tcl_Interp *interp,
5541   int objc,
5542   Tcl_Obj *CONST objv[]
5543 ){
5544 #if defined(SQLITE_ENABLE_MEMORY_MANAGEMENT) && !defined(SQLITE_OMIT_DISKIO)
5545   int N;
5546   int amt;
5547   if( objc!=1 && objc!=2 ){
5548     Tcl_WrongNumArgs(interp, 1, objv, "?N?");
5549     return TCL_ERROR;
5550   }
5551   if( objc==2 ){
5552     if( Tcl_GetIntFromObj(interp, objv[1], &N) ) return TCL_ERROR;
5553   }else{
5554     N = -1;
5555   }
5556   amt = sqlite3_release_memory(N);
5557   Tcl_SetObjResult(interp, Tcl_NewIntObj(amt));
5558 #endif
5559   return TCL_OK;
5560 }
5561 
5562 
5563 /*
5564 ** Usage:  sqlite3_db_release_memory DB
5565 **
5566 ** Attempt to release memory currently held by database DB.  Return the
5567 ** result code (which in the current implementation is always zero).
5568 */
5569 static int SQLITE_TCLAPI test_db_release_memory(
5570   void * clientData,
5571   Tcl_Interp *interp,
5572   int objc,
5573   Tcl_Obj *CONST objv[]
5574 ){
5575   sqlite3 *db;
5576   int rc;
5577   if( objc!=2 ){
5578     Tcl_WrongNumArgs(interp, 1, objv, "DB");
5579     return TCL_ERROR;
5580   }
5581   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
5582   rc = sqlite3_db_release_memory(db);
5583   Tcl_SetObjResult(interp, Tcl_NewIntObj(rc));
5584   return TCL_OK;
5585 }
5586 
5587 /*
5588 ** Usage:  sqlite3_db_cacheflush DB
5589 **
5590 ** Attempt to flush any dirty pages to disk.
5591 */
5592 static int SQLITE_TCLAPI test_db_cacheflush(
5593   void * clientData,
5594   Tcl_Interp *interp,
5595   int objc,
5596   Tcl_Obj *CONST objv[]
5597 ){
5598   sqlite3 *db;
5599   int rc;
5600   if( objc!=2 ){
5601     Tcl_WrongNumArgs(interp, 1, objv, "DB");
5602     return TCL_ERROR;
5603   }
5604   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
5605   rc = sqlite3_db_cacheflush(db);
5606   if( rc ){
5607     Tcl_SetResult(interp, (char *)sqlite3ErrStr(rc), TCL_STATIC);
5608     return TCL_ERROR;
5609   }
5610 
5611   Tcl_ResetResult(interp);
5612   return TCL_OK;
5613 }
5614 
5615 /*
5616 ** Usage:  sqlite3_system_errno DB
5617 **
5618 ** Return the low-level system errno value.
5619 */
5620 static int SQLITE_TCLAPI test_system_errno(
5621   void * clientData,
5622   Tcl_Interp *interp,
5623   int objc,
5624   Tcl_Obj *CONST objv[]
5625 ){
5626   sqlite3 *db;
5627   int iErrno;
5628   if( objc!=2 ){
5629     Tcl_WrongNumArgs(interp, 1, objv, "DB");
5630     return TCL_ERROR;
5631   }
5632   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
5633   iErrno = sqlite3_system_errno(db);
5634   Tcl_SetObjResult(interp, Tcl_NewIntObj(iErrno));
5635   return TCL_OK;
5636 }
5637 
5638 /*
5639 ** Usage:  sqlite3_db_filename DB DBNAME
5640 **
5641 ** Return the name of a file associated with a database.
5642 */
5643 static int SQLITE_TCLAPI test_db_filename(
5644   void * clientData,
5645   Tcl_Interp *interp,
5646   int objc,
5647   Tcl_Obj *CONST objv[]
5648 ){
5649   sqlite3 *db;
5650   const char *zDbName;
5651   if( objc!=3 ){
5652     Tcl_WrongNumArgs(interp, 1, objv, "DB DBNAME");
5653     return TCL_ERROR;
5654   }
5655   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
5656   zDbName = Tcl_GetString(objv[2]);
5657   Tcl_AppendResult(interp, sqlite3_db_filename(db, zDbName), (void*)0);
5658   return TCL_OK;
5659 }
5660 
5661 /*
5662 ** Usage:  sqlite3_db_readonly DB DBNAME
5663 **
5664 ** Return 1 or 0 if DBNAME is readonly or not.  Return -1 if DBNAME does
5665 ** not exist.
5666 */
5667 static int SQLITE_TCLAPI test_db_readonly(
5668   void * clientData,
5669   Tcl_Interp *interp,
5670   int objc,
5671   Tcl_Obj *CONST objv[]
5672 ){
5673   sqlite3 *db;
5674   const char *zDbName;
5675   if( objc!=3 ){
5676     Tcl_WrongNumArgs(interp, 1, objv, "DB DBNAME");
5677     return TCL_ERROR;
5678   }
5679   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
5680   zDbName = Tcl_GetString(objv[2]);
5681   Tcl_SetObjResult(interp, Tcl_NewIntObj(sqlite3_db_readonly(db, zDbName)));
5682   return TCL_OK;
5683 }
5684 
5685 /*
5686 ** Usage:  sqlite3_soft_heap_limit ?N?
5687 **
5688 ** Query or set the soft heap limit for the current thread.  The
5689 ** limit is only changed if the N is present.  The previous limit
5690 ** is returned.
5691 */
5692 static int SQLITE_TCLAPI test_soft_heap_limit(
5693   void * clientData,
5694   Tcl_Interp *interp,
5695   int objc,
5696   Tcl_Obj *CONST objv[]
5697 ){
5698   sqlite3_int64 amt;
5699   Tcl_WideInt N = -1;
5700   if( objc!=1 && objc!=2 ){
5701     Tcl_WrongNumArgs(interp, 1, objv, "?N?");
5702     return TCL_ERROR;
5703   }
5704   if( objc==2 ){
5705     if( Tcl_GetWideIntFromObj(interp, objv[1], &N) ) return TCL_ERROR;
5706   }
5707   amt = sqlite3_soft_heap_limit64(N);
5708   Tcl_SetObjResult(interp, Tcl_NewWideIntObj(amt));
5709   return TCL_OK;
5710 }
5711 
5712 /*
5713 ** Usage:  sqlite3_hard_heap_limit ?N?
5714 **
5715 ** Query or set the hard heap limit for the current thread.  The
5716 ** limit is only changed if the N is present.  The previous limit
5717 ** is returned.
5718 */
5719 static int SQLITE_TCLAPI test_hard_heap_limit(
5720   void * clientData,
5721   Tcl_Interp *interp,
5722   int objc,
5723   Tcl_Obj *CONST objv[]
5724 ){
5725   sqlite3_int64 amt;
5726   Tcl_WideInt N = -1;
5727   if( objc!=1 && objc!=2 ){
5728     Tcl_WrongNumArgs(interp, 1, objv, "?N?");
5729     return TCL_ERROR;
5730   }
5731   if( objc==2 ){
5732     if( Tcl_GetWideIntFromObj(interp, objv[1], &N) ) return TCL_ERROR;
5733   }
5734   amt = sqlite3_hard_heap_limit64(N);
5735   Tcl_SetObjResult(interp, Tcl_NewWideIntObj(amt));
5736   return TCL_OK;
5737 }
5738 
5739 /*
5740 ** Usage:   sqlite3_thread_cleanup
5741 **
5742 ** Call the sqlite3_thread_cleanup API.
5743 */
5744 static int SQLITE_TCLAPI test_thread_cleanup(
5745   void * clientData,
5746   Tcl_Interp *interp,
5747   int objc,
5748   Tcl_Obj *CONST objv[]
5749 ){
5750 #ifndef SQLITE_OMIT_DEPRECATED
5751   sqlite3_thread_cleanup();
5752 #endif
5753   return TCL_OK;
5754 }
5755 
5756 /*
5757 ** Usage:   sqlite3_pager_refcounts  DB
5758 **
5759 ** Return a list of numbers which are the PagerRefcount for all
5760 ** pagers on each database connection.
5761 */
5762 static int SQLITE_TCLAPI test_pager_refcounts(
5763   void * clientData,
5764   Tcl_Interp *interp,
5765   int objc,
5766   Tcl_Obj *CONST objv[]
5767 ){
5768   sqlite3 *db;
5769   int i;
5770   int v, *a;
5771   Tcl_Obj *pResult;
5772 
5773   if( objc!=2 ){
5774     Tcl_AppendResult(interp, "wrong # args: should be \"",
5775         Tcl_GetStringFromObj(objv[0], 0), " DB", 0);
5776     return TCL_ERROR;
5777   }
5778   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
5779   pResult = Tcl_NewObj();
5780   for(i=0; i<db->nDb; i++){
5781     if( db->aDb[i].pBt==0 ){
5782       v = -1;
5783     }else{
5784       sqlite3_mutex_enter(db->mutex);
5785       a = sqlite3PagerStats(sqlite3BtreePager(db->aDb[i].pBt));
5786       v = a[0];
5787       sqlite3_mutex_leave(db->mutex);
5788     }
5789     Tcl_ListObjAppendElement(0, pResult, Tcl_NewIntObj(v));
5790   }
5791   Tcl_SetObjResult(interp, pResult);
5792   return TCL_OK;
5793 }
5794 
5795 
5796 /*
5797 ** tclcmd:   working_64bit_int
5798 **
5799 ** Some TCL builds (ex: cygwin) do not support 64-bit integers.  This
5800 ** leads to a number of test failures.  The present command checks the
5801 ** TCL build to see whether or not it supports 64-bit integers.  It
5802 ** returns TRUE if it does and FALSE if not.
5803 **
5804 ** This command is used to warn users that their TCL build is defective
5805 ** and that the errors they are seeing in the test scripts might be
5806 ** a result of their defective TCL rather than problems in SQLite.
5807 */
5808 static int SQLITE_TCLAPI working_64bit_int(
5809   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
5810   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
5811   int objc,              /* Number of arguments */
5812   Tcl_Obj *CONST objv[]  /* Command arguments */
5813 ){
5814   Tcl_Obj *pTestObj;
5815   int working = 0;
5816 
5817   pTestObj = Tcl_NewWideIntObj(1000000*(i64)1234567890);
5818   working = strcmp(Tcl_GetString(pTestObj), "1234567890000000")==0;
5819   Tcl_DecrRefCount(pTestObj);
5820   Tcl_SetObjResult(interp, Tcl_NewBooleanObj(working));
5821   return TCL_OK;
5822 }
5823 
5824 
5825 /*
5826 ** tclcmd:   vfs_unlink_test
5827 **
5828 ** This TCL command unregisters the primary VFS and then registers
5829 ** it back again.  This is used to test the ability to register a
5830 ** VFS when none are previously registered, and the ability to
5831 ** unregister the only available VFS.  Ticket #2738
5832 */
5833 static int SQLITE_TCLAPI vfs_unlink_test(
5834   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
5835   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
5836   int objc,              /* Number of arguments */
5837   Tcl_Obj *CONST objv[]  /* Command arguments */
5838 ){
5839   int i;
5840   sqlite3_vfs *pMain;
5841   sqlite3_vfs *apVfs[20];
5842   sqlite3_vfs one, two;
5843 
5844   sqlite3_vfs_unregister(0);   /* Unregister of NULL is harmless */
5845   one.zName = "__one";
5846   two.zName = "__two";
5847 
5848   /* Calling sqlite3_vfs_register with 2nd argument of 0 does not
5849   ** change the default VFS
5850   */
5851   pMain = sqlite3_vfs_find(0);
5852   sqlite3_vfs_register(&one, 0);
5853   assert( pMain==0 || pMain==sqlite3_vfs_find(0) );
5854   sqlite3_vfs_register(&two, 0);
5855   assert( pMain==0 || pMain==sqlite3_vfs_find(0) );
5856 
5857   /* We can find a VFS by its name */
5858   assert( sqlite3_vfs_find("__one")==&one );
5859   assert( sqlite3_vfs_find("__two")==&two );
5860 
5861   /* Calling sqlite_vfs_register with non-zero second parameter changes the
5862   ** default VFS, even if the 1st parameter is an existig VFS that is
5863   ** previously registered as the non-default.
5864   */
5865   sqlite3_vfs_register(&one, 1);
5866   assert( sqlite3_vfs_find("__one")==&one );
5867   assert( sqlite3_vfs_find("__two")==&two );
5868   assert( sqlite3_vfs_find(0)==&one );
5869   sqlite3_vfs_register(&two, 1);
5870   assert( sqlite3_vfs_find("__one")==&one );
5871   assert( sqlite3_vfs_find("__two")==&two );
5872   assert( sqlite3_vfs_find(0)==&two );
5873   if( pMain ){
5874     sqlite3_vfs_register(pMain, 1);
5875     assert( sqlite3_vfs_find("__one")==&one );
5876     assert( sqlite3_vfs_find("__two")==&two );
5877     assert( sqlite3_vfs_find(0)==pMain );
5878   }
5879 
5880   /* Unlink the default VFS.  Repeat until there are no more VFSes
5881   ** registered.
5882   */
5883   for(i=0; i<sizeof(apVfs)/sizeof(apVfs[0]); i++){
5884     apVfs[i] = sqlite3_vfs_find(0);
5885     if( apVfs[i] ){
5886       assert( apVfs[i]==sqlite3_vfs_find(apVfs[i]->zName) );
5887       sqlite3_vfs_unregister(apVfs[i]);
5888       assert( 0==sqlite3_vfs_find(apVfs[i]->zName) );
5889     }
5890   }
5891   assert( 0==sqlite3_vfs_find(0) );
5892 
5893   /* Register the main VFS as non-default (will be made default, since
5894   ** it'll be the only one in existence).
5895   */
5896   sqlite3_vfs_register(pMain, 0);
5897   assert( sqlite3_vfs_find(0)==pMain );
5898 
5899   /* Un-register the main VFS again to restore an empty VFS list */
5900   sqlite3_vfs_unregister(pMain);
5901   assert( 0==sqlite3_vfs_find(0) );
5902 
5903   /* Relink all VFSes in reverse order. */
5904   for(i=sizeof(apVfs)/sizeof(apVfs[0])-1; i>=0; i--){
5905     if( apVfs[i] ){
5906       sqlite3_vfs_register(apVfs[i], 1);
5907       assert( apVfs[i]==sqlite3_vfs_find(0) );
5908       assert( apVfs[i]==sqlite3_vfs_find(apVfs[i]->zName) );
5909     }
5910   }
5911 
5912   /* Unregister out sample VFSes. */
5913   sqlite3_vfs_unregister(&one);
5914   sqlite3_vfs_unregister(&two);
5915 
5916   /* Unregistering a VFS that is not currently registered is harmless */
5917   sqlite3_vfs_unregister(&one);
5918   sqlite3_vfs_unregister(&two);
5919   assert( sqlite3_vfs_find("__one")==0 );
5920   assert( sqlite3_vfs_find("__two")==0 );
5921 
5922   /* We should be left with the original default VFS back as the
5923   ** original */
5924   assert( sqlite3_vfs_find(0)==pMain );
5925 
5926   return TCL_OK;
5927 }
5928 
5929 /*
5930 ** tclcmd:   vfs_initfail_test
5931 **
5932 ** This TCL command attempts to vfs_find and vfs_register when the
5933 ** sqlite3_initialize() interface is failing.  All calls should fail.
5934 */
5935 static int SQLITE_TCLAPI vfs_initfail_test(
5936   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
5937   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
5938   int objc,              /* Number of arguments */
5939   Tcl_Obj *CONST objv[]  /* Command arguments */
5940 ){
5941   sqlite3_vfs one;
5942   one.zName = "__one";
5943 
5944   if( sqlite3_vfs_find(0) ) return TCL_ERROR;
5945   sqlite3_vfs_register(&one, 0);
5946   if( sqlite3_vfs_find(0) ) return TCL_ERROR;
5947   sqlite3_vfs_register(&one, 1);
5948   if( sqlite3_vfs_find(0) ) return TCL_ERROR;
5949   return TCL_OK;
5950 }
5951 
5952 /*
5953 ** Saved VFSes
5954 */
5955 static sqlite3_vfs *apVfs[20];
5956 static int nVfs = 0;
5957 
5958 /*
5959 ** tclcmd:   vfs_unregister_all
5960 **
5961 ** Unregister all VFSes.
5962 */
5963 static int SQLITE_TCLAPI vfs_unregister_all(
5964   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
5965   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
5966   int objc,              /* Number of arguments */
5967   Tcl_Obj *CONST objv[]  /* Command arguments */
5968 ){
5969   int i;
5970   for(i=0; i<ArraySize(apVfs); i++){
5971     apVfs[i] = sqlite3_vfs_find(0);
5972     if( apVfs[i]==0 ) break;
5973     sqlite3_vfs_unregister(apVfs[i]);
5974   }
5975   nVfs = i;
5976   return TCL_OK;
5977 }
5978 /*
5979 ** tclcmd:   vfs_reregister_all
5980 **
5981 ** Restore all VFSes that were removed using vfs_unregister_all. Taking
5982 ** care to put the linked list back together in the same order as it was
5983 ** in before vfs_unregister_all was invoked.
5984 */
5985 static int SQLITE_TCLAPI vfs_reregister_all(
5986   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
5987   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
5988   int objc,              /* Number of arguments */
5989   Tcl_Obj *CONST objv[]  /* Command arguments */
5990 ){
5991   int i;
5992   for(i=nVfs-1; i>=0; i--){
5993     sqlite3_vfs_register(apVfs[i], 1);
5994   }
5995   return TCL_OK;
5996 }
5997 
5998 
5999 /*
6000 ** tclcmd:   file_control_test DB
6001 **
6002 ** This TCL command runs the sqlite3_file_control interface and
6003 ** verifies correct operation of the same.
6004 */
6005 static int SQLITE_TCLAPI file_control_test(
6006   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
6007   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
6008   int objc,              /* Number of arguments */
6009   Tcl_Obj *CONST objv[]  /* Command arguments */
6010 ){
6011   int iArg = 0;
6012   sqlite3 *db;
6013   int rc;
6014 
6015   if( objc!=2 ){
6016     Tcl_AppendResult(interp, "wrong # args: should be \"",
6017         Tcl_GetStringFromObj(objv[0], 0), " DB", 0);
6018     return TCL_ERROR;
6019   }
6020   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
6021   rc = sqlite3_file_control(db, 0, 0, &iArg);
6022   assert( rc==SQLITE_NOTFOUND );
6023   rc = sqlite3_file_control(db, "notadatabase", SQLITE_FCNTL_LOCKSTATE, &iArg);
6024   assert( rc==SQLITE_ERROR );
6025   rc = sqlite3_file_control(db, "main", -1, &iArg);
6026   assert( rc==SQLITE_NOTFOUND );
6027   rc = sqlite3_file_control(db, "temp", -1, &iArg);
6028   assert( rc==SQLITE_NOTFOUND || rc==SQLITE_ERROR );
6029 
6030   return TCL_OK;
6031 }
6032 
6033 
6034 /*
6035 ** tclcmd:   file_control_lasterrno_test DB
6036 **
6037 ** This TCL command runs the sqlite3_file_control interface and
6038 ** verifies correct operation of the SQLITE_LAST_ERRNO verb.
6039 */
6040 static int SQLITE_TCLAPI file_control_lasterrno_test(
6041   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
6042   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
6043   int objc,              /* Number of arguments */
6044   Tcl_Obj *CONST objv[]  /* Command arguments */
6045 ){
6046   int iArg = 0;
6047   sqlite3 *db;
6048   int rc;
6049 
6050   if( objc!=2 ){
6051     Tcl_AppendResult(interp, "wrong # args: should be \"",
6052         Tcl_GetStringFromObj(objv[0], 0), " DB", 0);
6053     return TCL_ERROR;
6054   }
6055   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ){
6056     return TCL_ERROR;
6057   }
6058   rc = sqlite3_file_control(db, NULL, SQLITE_LAST_ERRNO, &iArg);
6059   if( rc ){
6060     Tcl_SetObjResult(interp, Tcl_NewIntObj(rc));
6061     return TCL_ERROR;
6062   }
6063   if( iArg!=0 ) {
6064     Tcl_AppendResult(interp, "Unexpected non-zero errno: ",
6065                      Tcl_GetStringFromObj(Tcl_NewIntObj(iArg), 0), " ", 0);
6066     return TCL_ERROR;
6067   }
6068   return TCL_OK;
6069 }
6070 
6071 /*
6072 ** tclcmd:   file_control_data_version DB DBNAME
6073 **
6074 ** This TCL command runs the sqlite3_file_control with the
6075 ** SQLITE_FCNTL_DATA_VERSION opcode, returning the result.
6076 */
6077 static int SQLITE_TCLAPI file_control_data_version(
6078   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
6079   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
6080   int objc,              /* Number of arguments */
6081   Tcl_Obj *CONST objv[]  /* Command arguments */
6082 ){
6083   unsigned int iVers;             /* data version */
6084   char *zDb;                      /* Db name ("main", "temp" etc.) */
6085   sqlite3 *db;                    /* Database handle */
6086   int rc;                         /* file_control() return code */
6087   char zBuf[100];
6088 
6089   if( objc!=3 && objc!=2 ){
6090     Tcl_WrongNumArgs(interp, 1, objv, "DB [DBNAME]");
6091     return TCL_ERROR;
6092   }
6093   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ){
6094    return TCL_ERROR;
6095   }
6096   zDb = objc==3 ? Tcl_GetString(objv[2]) : NULL;
6097 
6098   rc = sqlite3_file_control(db, zDb, SQLITE_FCNTL_DATA_VERSION, (void *)&iVers);
6099   if( rc ){
6100     Tcl_SetResult(interp, (char *)sqlite3ErrName(rc), TCL_STATIC);
6101     return TCL_ERROR;
6102   }else{
6103     sqlite3_snprintf(sizeof(zBuf),zBuf,"%u",iVers);
6104     Tcl_SetResult(interp, (char *)zBuf, TCL_VOLATILE);
6105     return TCL_OK;
6106   }
6107 }
6108 
6109 /*
6110 ** tclcmd:   file_control_chunksize_test DB DBNAME SIZE
6111 **
6112 ** This TCL command runs the sqlite3_file_control interface and
6113 ** verifies correct operation of the SQLITE_GET_LOCKPROXYFILE and
6114 ** SQLITE_SET_LOCKPROXYFILE verbs.
6115 */
6116 static int SQLITE_TCLAPI file_control_chunksize_test(
6117   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
6118   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
6119   int objc,              /* Number of arguments */
6120   Tcl_Obj *CONST objv[]  /* Command arguments */
6121 ){
6122   int nSize;                      /* New chunk size */
6123   char *zDb;                      /* Db name ("main", "temp" etc.) */
6124   sqlite3 *db;                    /* Database handle */
6125   int rc;                         /* file_control() return code */
6126 
6127   if( objc!=4 ){
6128     Tcl_WrongNumArgs(interp, 1, objv, "DB DBNAME SIZE");
6129     return TCL_ERROR;
6130   }
6131   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db)
6132    || Tcl_GetIntFromObj(interp, objv[3], &nSize)
6133   ){
6134    return TCL_ERROR;
6135   }
6136   zDb = Tcl_GetString(objv[2]);
6137   if( zDb[0]=='\0' ) zDb = NULL;
6138 
6139   rc = sqlite3_file_control(db, zDb, SQLITE_FCNTL_CHUNK_SIZE, (void *)&nSize);
6140   if( rc ){
6141     Tcl_SetResult(interp, (char *)sqlite3ErrName(rc), TCL_STATIC);
6142     return TCL_ERROR;
6143   }
6144   return TCL_OK;
6145 }
6146 
6147 /*
6148 ** tclcmd:   file_control_sizehint_test DB DBNAME SIZE
6149 **
6150 ** This TCL command runs the sqlite3_file_control interface
6151 ** with SQLITE_FCNTL_SIZE_HINT
6152 */
6153 static int SQLITE_TCLAPI file_control_sizehint_test(
6154   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
6155   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
6156   int objc,              /* Number of arguments */
6157   Tcl_Obj *CONST objv[]  /* Command arguments */
6158 ){
6159   Tcl_WideInt nSize;              /* Hinted size */
6160   char *zDb;                      /* Db name ("main", "temp" etc.) */
6161   sqlite3 *db;                    /* Database handle */
6162   int rc;                         /* file_control() return code */
6163 
6164   if( objc!=4 ){
6165     Tcl_WrongNumArgs(interp, 1, objv, "DB DBNAME SIZE");
6166     return TCL_ERROR;
6167   }
6168   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db)
6169    || Tcl_GetWideIntFromObj(interp, objv[3], &nSize)
6170   ){
6171    return TCL_ERROR;
6172   }
6173   zDb = Tcl_GetString(objv[2]);
6174   if( zDb[0]=='\0' ) zDb = NULL;
6175 
6176   rc = sqlite3_file_control(db, zDb, SQLITE_FCNTL_SIZE_HINT, (void *)&nSize);
6177   if( rc ){
6178     Tcl_SetResult(interp, (char *)sqlite3ErrName(rc), TCL_STATIC);
6179     return TCL_ERROR;
6180   }
6181   return TCL_OK;
6182 }
6183 
6184 /*
6185 ** tclcmd:   file_control_lockproxy_test DB PWD
6186 **
6187 ** This TCL command runs the sqlite3_file_control interface and
6188 ** verifies correct operation of the SQLITE_GET_LOCKPROXYFILE and
6189 ** SQLITE_SET_LOCKPROXYFILE verbs.
6190 */
6191 static int SQLITE_TCLAPI file_control_lockproxy_test(
6192   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
6193   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
6194   int objc,              /* Number of arguments */
6195   Tcl_Obj *CONST objv[]  /* Command arguments */
6196 ){
6197   sqlite3 *db;
6198 
6199   if( objc!=3 ){
6200     Tcl_AppendResult(interp, "wrong # args: should be \"",
6201                      Tcl_GetStringFromObj(objv[0], 0), " DB PWD", 0);
6202     return TCL_ERROR;
6203   }
6204   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ){
6205    return TCL_ERROR;
6206   }
6207 
6208 #if !defined(SQLITE_ENABLE_LOCKING_STYLE)
6209 #  if defined(__APPLE__)
6210 #    define SQLITE_ENABLE_LOCKING_STYLE 1
6211 #  else
6212 #    define SQLITE_ENABLE_LOCKING_STYLE 0
6213 #  endif
6214 #endif
6215 #if SQLITE_ENABLE_LOCKING_STYLE && defined(__APPLE__)
6216   {
6217     char *testPath;
6218     int rc;
6219     int nPwd;
6220     const char *zPwd;
6221     char proxyPath[400];
6222 
6223     zPwd = Tcl_GetStringFromObj(objv[2], &nPwd);
6224     if( sizeof(proxyPath)<nPwd+20 ){
6225       Tcl_AppendResult(interp, "PWD too big", (void*)0);
6226       return TCL_ERROR;
6227     }
6228     sqlite3_snprintf(sizeof(proxyPath), proxyPath, "%s/test.proxy", zPwd);
6229     rc = sqlite3_file_control(db, NULL, SQLITE_SET_LOCKPROXYFILE, proxyPath);
6230     if( rc ){
6231       Tcl_SetObjResult(interp, Tcl_NewIntObj(rc));
6232       return TCL_ERROR;
6233     }
6234     rc = sqlite3_file_control(db, NULL, SQLITE_GET_LOCKPROXYFILE, &testPath);
6235     if( strncmp(proxyPath,testPath,11) ){
6236       Tcl_AppendResult(interp, "Lock proxy file did not match the "
6237                                "previously assigned value", 0);
6238       return TCL_ERROR;
6239     }
6240     if( rc ){
6241       Tcl_SetObjResult(interp, Tcl_NewIntObj(rc));
6242       return TCL_ERROR;
6243     }
6244     rc = sqlite3_file_control(db, NULL, SQLITE_SET_LOCKPROXYFILE, proxyPath);
6245     if( rc ){
6246       Tcl_SetObjResult(interp, Tcl_NewIntObj(rc));
6247       return TCL_ERROR;
6248     }
6249   }
6250 #endif
6251   return TCL_OK;
6252 }
6253 
6254 #if SQLITE_OS_WIN
6255 /*
6256 ** tclcmd:   file_control_win32_av_retry DB  NRETRY  DELAY
6257 **
6258 ** This TCL command runs the sqlite3_file_control interface with
6259 ** the SQLITE_FCNTL_WIN32_AV_RETRY opcode.
6260 */
6261 static int SQLITE_TCLAPI file_control_win32_av_retry(
6262   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
6263   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
6264   int objc,              /* Number of arguments */
6265   Tcl_Obj *CONST objv[]  /* Command arguments */
6266 ){
6267   sqlite3 *db;
6268   int rc;
6269   int a[2];
6270   char z[100];
6271 
6272   if( objc!=4 ){
6273     Tcl_AppendResult(interp, "wrong # args: should be \"",
6274         Tcl_GetStringFromObj(objv[0], 0), " DB NRETRY DELAY", 0);
6275     return TCL_ERROR;
6276   }
6277   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ){
6278     return TCL_ERROR;
6279   }
6280   if( Tcl_GetIntFromObj(interp, objv[2], &a[0]) ) return TCL_ERROR;
6281   if( Tcl_GetIntFromObj(interp, objv[3], &a[1]) ) return TCL_ERROR;
6282   rc = sqlite3_file_control(db, NULL, SQLITE_FCNTL_WIN32_AV_RETRY, (void*)a);
6283   sqlite3_snprintf(sizeof(z), z, "%d %d %d", rc, a[0], a[1]);
6284   Tcl_AppendResult(interp, z, (char*)0);
6285   return TCL_OK;
6286 }
6287 
6288 /*
6289 ** tclcmd:   file_control_win32_get_handle DB
6290 **
6291 ** This TCL command runs the sqlite3_file_control interface with
6292 ** the SQLITE_FCNTL_WIN32_GET_HANDLE opcode.
6293 */
6294 static int file_control_win32_get_handle(
6295   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
6296   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
6297   int objc,              /* Number of arguments */
6298   Tcl_Obj *CONST objv[]  /* Command arguments */
6299 ){
6300   sqlite3 *db;
6301   int rc;
6302   HANDLE hFile = NULL;
6303   char z[100];
6304 
6305   if( objc!=2 ){
6306     Tcl_AppendResult(interp, "wrong # args: should be \"",
6307         Tcl_GetStringFromObj(objv[0], 0), " DB", 0);
6308     return TCL_ERROR;
6309   }
6310   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ){
6311     return TCL_ERROR;
6312   }
6313   rc = sqlite3_file_control(db, NULL, SQLITE_FCNTL_WIN32_GET_HANDLE,
6314                             (void*)&hFile);
6315   sqlite3_snprintf(sizeof(z), z, "%d %p", rc, (void*)hFile);
6316   Tcl_AppendResult(interp, z, (char*)0);
6317   return TCL_OK;
6318 }
6319 
6320 /*
6321 ** tclcmd:   file_control_win32_set_handle DB HANDLE
6322 **
6323 ** This TCL command runs the sqlite3_file_control interface with
6324 ** the SQLITE_FCNTL_WIN32_SET_HANDLE opcode.
6325 */
6326 static int SQLITE_TCLAPI file_control_win32_set_handle(
6327   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
6328   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
6329   int objc,              /* Number of arguments */
6330   Tcl_Obj *CONST objv[]  /* Command arguments */
6331 ){
6332   sqlite3 *db;
6333   int rc;
6334   HANDLE hFile = NULL;
6335   char z[100];
6336 
6337   if( objc!=3 ){
6338     Tcl_AppendResult(interp, "wrong # args: should be \"",
6339         Tcl_GetStringFromObj(objv[0], 0), " DB HANDLE", 0);
6340     return TCL_ERROR;
6341   }
6342   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ){
6343     return TCL_ERROR;
6344   }
6345   if( getWin32Handle(interp, Tcl_GetString(objv[2]), &hFile) ){
6346     return TCL_ERROR;
6347   }
6348   rc = sqlite3_file_control(db, NULL, SQLITE_FCNTL_WIN32_SET_HANDLE,
6349                             (void*)&hFile);
6350   sqlite3_snprintf(sizeof(z), z, "%d %p", rc, (void*)hFile);
6351   Tcl_AppendResult(interp, z, (char*)0);
6352   return TCL_OK;
6353 }
6354 #endif
6355 
6356 /*
6357 ** tclcmd:   file_control_persist_wal DB PERSIST-FLAG
6358 **
6359 ** This TCL command runs the sqlite3_file_control interface with
6360 ** the SQLITE_FCNTL_PERSIST_WAL opcode.
6361 */
6362 static int SQLITE_TCLAPI file_control_persist_wal(
6363   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
6364   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
6365   int objc,              /* Number of arguments */
6366   Tcl_Obj *CONST objv[]  /* Command arguments */
6367 ){
6368   sqlite3 *db;
6369   int rc;
6370   int bPersist;
6371   char z[100];
6372 
6373   if( objc!=3 ){
6374     Tcl_AppendResult(interp, "wrong # args: should be \"",
6375         Tcl_GetStringFromObj(objv[0], 0), " DB FLAG", 0);
6376     return TCL_ERROR;
6377   }
6378   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ){
6379     return TCL_ERROR;
6380   }
6381   if( Tcl_GetIntFromObj(interp, objv[2], &bPersist) ) return TCL_ERROR;
6382   rc = sqlite3_file_control(db, NULL, SQLITE_FCNTL_PERSIST_WAL, (void*)&bPersist);
6383   sqlite3_snprintf(sizeof(z), z, "%d %d", rc, bPersist);
6384   Tcl_AppendResult(interp, z, (char*)0);
6385   return TCL_OK;
6386 }
6387 
6388 /*
6389 ** tclcmd:   file_control_powersafe_overwrite DB PSOW-FLAG
6390 **
6391 ** This TCL command runs the sqlite3_file_control interface with
6392 ** the SQLITE_FCNTL_POWERSAFE_OVERWRITE opcode.
6393 */
6394 static int SQLITE_TCLAPI file_control_powersafe_overwrite(
6395   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
6396   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
6397   int objc,              /* Number of arguments */
6398   Tcl_Obj *CONST objv[]  /* Command arguments */
6399 ){
6400   sqlite3 *db;
6401   int rc;
6402   int b;
6403   char z[100];
6404 
6405   if( objc!=3 ){
6406     Tcl_AppendResult(interp, "wrong # args: should be \"",
6407         Tcl_GetStringFromObj(objv[0], 0), " DB FLAG", 0);
6408     return TCL_ERROR;
6409   }
6410   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ){
6411     return TCL_ERROR;
6412   }
6413   if( Tcl_GetIntFromObj(interp, objv[2], &b) ) return TCL_ERROR;
6414   rc = sqlite3_file_control(db,NULL,SQLITE_FCNTL_POWERSAFE_OVERWRITE,(void*)&b);
6415   sqlite3_snprintf(sizeof(z), z, "%d %d", rc, b);
6416   Tcl_AppendResult(interp, z, (char*)0);
6417   return TCL_OK;
6418 }
6419 
6420 
6421 /*
6422 ** tclcmd:   file_control_vfsname DB ?AUXDB?
6423 **
6424 ** Return a string that describes the stack of VFSes.
6425 */
6426 static int SQLITE_TCLAPI file_control_vfsname(
6427   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
6428   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
6429   int objc,              /* Number of arguments */
6430   Tcl_Obj *CONST objv[]  /* Command arguments */
6431 ){
6432   sqlite3 *db;
6433   const char *zDbName = "main";
6434   char *zVfsName = 0;
6435 
6436   if( objc!=2 && objc!=3 ){
6437     Tcl_AppendResult(interp, "wrong # args: should be \"",
6438         Tcl_GetStringFromObj(objv[0], 0), " DB ?AUXDB?", 0);
6439     return TCL_ERROR;
6440   }
6441   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ){
6442     return TCL_ERROR;
6443   }
6444   if( objc==3 ){
6445     zDbName = Tcl_GetString(objv[2]);
6446   }
6447   sqlite3_file_control(db, zDbName, SQLITE_FCNTL_VFSNAME,(void*)&zVfsName);
6448   Tcl_AppendResult(interp, zVfsName, (char*)0);
6449   sqlite3_free(zVfsName);
6450   return TCL_OK;
6451 }
6452 
6453 /*
6454 ** tclcmd:   file_control_reservebytes DB N
6455 */
6456 static int SQLITE_TCLAPI file_control_reservebytes(
6457   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
6458   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
6459   int objc,              /* Number of arguments */
6460   Tcl_Obj *CONST objv[]  /* Command arguments */
6461 ){
6462   sqlite3 *db;
6463   const char *zDbName = "main";
6464   int n = 0;
6465   int rc;
6466 
6467   if( objc!=3 ){
6468     Tcl_WrongNumArgs(interp, 1, objv, "DB N");
6469     return TCL_ERROR;
6470   }
6471   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db)
6472    || Tcl_GetIntFromObj(interp, objv[2], &n)
6473   ){
6474     return TCL_ERROR;
6475   }
6476 
6477   rc = sqlite3_file_control(db, zDbName, SQLITE_FCNTL_RESERVE_BYTES, (void*)&n);
6478   Tcl_SetObjResult(interp, Tcl_NewStringObj(sqlite3ErrName(rc), -1));
6479   return TCL_OK;
6480 }
6481 
6482 
6483 /*
6484 ** tclcmd:   file_control_tempfilename DB ?AUXDB?
6485 **
6486 ** Return a string that is a temporary filename
6487 */
6488 static int SQLITE_TCLAPI file_control_tempfilename(
6489   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
6490   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
6491   int objc,              /* Number of arguments */
6492   Tcl_Obj *CONST objv[]  /* Command arguments */
6493 ){
6494   sqlite3 *db;
6495   const char *zDbName = "main";
6496   char *zTName = 0;
6497 
6498   if( objc!=2 && objc!=3 ){
6499     Tcl_AppendResult(interp, "wrong # args: should be \"",
6500         Tcl_GetStringFromObj(objv[0], 0), " DB ?AUXDB?", 0);
6501     return TCL_ERROR;
6502   }
6503   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ){
6504     return TCL_ERROR;
6505   }
6506   if( objc==3 ){
6507     zDbName = Tcl_GetString(objv[2]);
6508   }
6509   sqlite3_file_control(db, zDbName, SQLITE_FCNTL_TEMPFILENAME, (void*)&zTName);
6510   Tcl_AppendResult(interp, zTName, (char*)0);
6511   sqlite3_free(zTName);
6512   return TCL_OK;
6513 }
6514 
6515 /*
6516 ** tclcmd:   file_control_external_reader DB ?AUXDB?
6517 **
6518 ** Return a string that is a temporary filename
6519 */
6520 static int SQLITE_TCLAPI file_control_external_reader(
6521   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
6522   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
6523   int objc,              /* Number of arguments */
6524   Tcl_Obj *CONST objv[]  /* Command arguments */
6525 ){
6526   sqlite3 *db;
6527   const char *zName = "main";
6528   int iRes = 0;
6529   int rc = SQLITE_OK;
6530 
6531   if( objc!=2 && objc!=3 ){
6532     Tcl_AppendResult(interp, "wrong # args: should be \"",
6533         Tcl_GetStringFromObj(objv[0], 0), " DB ?AUXDB?", 0);
6534     return TCL_ERROR;
6535   }
6536   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ){
6537     return TCL_ERROR;
6538   }
6539   if( objc==3 ){
6540     zName = Tcl_GetString(objv[2]);
6541   }
6542   rc = sqlite3_file_control(db, zName, SQLITE_FCNTL_EXTERNAL_READER, &iRes);
6543   if( rc!=SQLITE_OK ){
6544     Tcl_SetResult(interp, (char *)t1ErrorName(rc), TCL_STATIC);
6545     return TCL_ERROR;
6546   }
6547   Tcl_SetObjResult(interp, Tcl_NewIntObj(iRes));
6548   return TCL_OK;
6549 }
6550 
6551 
6552 /*
6553 ** tclcmd:   sqlite3_vfs_list
6554 **
6555 **   Return a tcl list containing the names of all registered vfs's.
6556 */
6557 static int SQLITE_TCLAPI vfs_list(
6558   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
6559   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
6560   int objc,              /* Number of arguments */
6561   Tcl_Obj *CONST objv[]  /* Command arguments */
6562 ){
6563   sqlite3_vfs *pVfs;
6564   Tcl_Obj *pRet = Tcl_NewObj();
6565   if( objc!=1 ){
6566     Tcl_WrongNumArgs(interp, 1, objv, "");
6567     return TCL_ERROR;
6568   }
6569   for(pVfs=sqlite3_vfs_find(0); pVfs; pVfs=pVfs->pNext){
6570     Tcl_ListObjAppendElement(interp, pRet, Tcl_NewStringObj(pVfs->zName, -1));
6571   }
6572   Tcl_SetObjResult(interp, pRet);
6573   return TCL_OK;
6574 }
6575 
6576 /*
6577 ** tclcmd:   sqlite3_limit DB ID VALUE
6578 **
6579 ** This TCL command runs the sqlite3_limit interface and
6580 ** verifies correct operation of the same.
6581 */
6582 static int SQLITE_TCLAPI test_limit(
6583   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
6584   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
6585   int objc,              /* Number of arguments */
6586   Tcl_Obj *CONST objv[]  /* Command arguments */
6587 ){
6588   sqlite3 *db;
6589   int rc;
6590   static const struct {
6591      char *zName;
6592      int id;
6593   } aId[] = {
6594     { "SQLITE_LIMIT_LENGTH",              SQLITE_LIMIT_LENGTH               },
6595     { "SQLITE_LIMIT_SQL_LENGTH",          SQLITE_LIMIT_SQL_LENGTH           },
6596     { "SQLITE_LIMIT_COLUMN",              SQLITE_LIMIT_COLUMN               },
6597     { "SQLITE_LIMIT_EXPR_DEPTH",          SQLITE_LIMIT_EXPR_DEPTH           },
6598     { "SQLITE_LIMIT_COMPOUND_SELECT",     SQLITE_LIMIT_COMPOUND_SELECT      },
6599     { "SQLITE_LIMIT_VDBE_OP",             SQLITE_LIMIT_VDBE_OP              },
6600     { "SQLITE_LIMIT_FUNCTION_ARG",        SQLITE_LIMIT_FUNCTION_ARG         },
6601     { "SQLITE_LIMIT_ATTACHED",            SQLITE_LIMIT_ATTACHED             },
6602     { "SQLITE_LIMIT_LIKE_PATTERN_LENGTH", SQLITE_LIMIT_LIKE_PATTERN_LENGTH  },
6603     { "SQLITE_LIMIT_VARIABLE_NUMBER",     SQLITE_LIMIT_VARIABLE_NUMBER      },
6604     { "SQLITE_LIMIT_TRIGGER_DEPTH",       SQLITE_LIMIT_TRIGGER_DEPTH        },
6605     { "SQLITE_LIMIT_WORKER_THREADS",      SQLITE_LIMIT_WORKER_THREADS       },
6606 
6607     /* Out of range test cases */
6608     { "SQLITE_LIMIT_TOOSMALL",            -1,                               },
6609     { "SQLITE_LIMIT_TOOBIG",              SQLITE_LIMIT_WORKER_THREADS+1     },
6610   };
6611   int i, id = 0;
6612   int val;
6613   const char *zId;
6614 
6615   if( objc!=4 ){
6616     Tcl_AppendResult(interp, "wrong # args: should be \"",
6617         Tcl_GetStringFromObj(objv[0], 0), " DB ID VALUE", 0);
6618     return TCL_ERROR;
6619   }
6620   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
6621   zId = Tcl_GetString(objv[2]);
6622   for(i=0; i<sizeof(aId)/sizeof(aId[0]); i++){
6623     if( strcmp(zId, aId[i].zName)==0 ){
6624       id = aId[i].id;
6625       break;
6626     }
6627   }
6628   if( i>=sizeof(aId)/sizeof(aId[0]) ){
6629     Tcl_AppendResult(interp, "unknown limit type: ", zId, (char*)0);
6630     return TCL_ERROR;
6631   }
6632   if( Tcl_GetIntFromObj(interp, objv[3], &val) ) return TCL_ERROR;
6633   rc = sqlite3_limit(db, id, val);
6634   Tcl_SetObjResult(interp, Tcl_NewIntObj(rc));
6635   return TCL_OK;
6636 }
6637 
6638 /*
6639 ** tclcmd:  save_prng_state
6640 **
6641 ** Save the state of the pseudo-random number generator.
6642 ** At the same time, verify that sqlite3_test_control works even when
6643 ** called with an out-of-range opcode.
6644 */
6645 static int SQLITE_TCLAPI save_prng_state(
6646   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
6647   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
6648   int objc,              /* Number of arguments */
6649   Tcl_Obj *CONST objv[]  /* Command arguments */
6650 ){
6651   int rc = sqlite3_test_control(9999);
6652   assert( rc==0 );
6653   rc = sqlite3_test_control(-1);
6654   assert( rc==0 );
6655   sqlite3_test_control(SQLITE_TESTCTRL_PRNG_SAVE);
6656   return TCL_OK;
6657 }
6658 /*
6659 ** tclcmd:  restore_prng_state
6660 */
6661 static int SQLITE_TCLAPI restore_prng_state(
6662   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
6663   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
6664   int objc,              /* Number of arguments */
6665   Tcl_Obj *CONST objv[]  /* Command arguments */
6666 ){
6667   sqlite3_test_control(SQLITE_TESTCTRL_PRNG_RESTORE);
6668   return TCL_OK;
6669 }
6670 /*
6671 ** tclcmd:  reset_prng_state
6672 */
6673 static int SQLITE_TCLAPI reset_prng_state(
6674   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
6675   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
6676   int objc,              /* Number of arguments */
6677   Tcl_Obj *CONST objv[]  /* Command arguments */
6678 ){
6679   sqlite3_randomness(0,0);
6680   return TCL_OK;
6681 }
6682 /*
6683 ** tclcmd:  prng_seed INT ?DB?
6684 **
6685 ** Set up the SQLITE_TESTCTRL_PRNG_SEED pragma with parameter INT and DB.
6686 ** INT is an integer.  DB is a database connection, or a NULL pointer if
6687 ** omitted.
6688 **
6689 ** When INT!=0 and DB!=0, set the PRNG seed to the value of the schema
6690 ** cookie for DB, or to INT if the schema cookie happens to be zero.
6691 **
6692 ** When INT!=0 and DB==0, set the PRNG seed to just INT.
6693 **
6694 ** If INT==0 and DB==0 then use the default procedure of calling the
6695 ** xRandomness method on the default VFS to get the PRNG seed.
6696 */
6697 static int SQLITE_TCLAPI prng_seed(
6698   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
6699   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
6700   int objc,              /* Number of arguments */
6701   Tcl_Obj *CONST objv[]  /* Command arguments */
6702 ){
6703   int i = 0;
6704   sqlite3 *db = 0;
6705   if( objc!=2 && objc!=3 ){
6706     Tcl_WrongNumArgs(interp, 1, objv, "SEED ?DB?");
6707     return TCL_ERROR;
6708   }
6709   if( Tcl_GetIntFromObj(interp,objv[1],&i) ) return TCL_ERROR;
6710   if( objc==3 && getDbPointer(interp, Tcl_GetString(objv[2]), &db) ){
6711     return TCL_ERROR;
6712   }
6713   sqlite3_test_control(SQLITE_TESTCTRL_PRNG_SEED, i, db);
6714   return TCL_OK;
6715 }
6716 
6717 /*
6718 ** tclcmd:  extra_schema_checks BOOLEAN
6719 **
6720 ** Enable or disable schema checks when parsing the sqlite_schema file.
6721 ** This is always enabled in production, but it is sometimes useful to
6722 ** disable the checks in order to make some internal error states reachable
6723 ** for testing.
6724 */
6725 static int SQLITE_TCLAPI extra_schema_checks(
6726   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
6727   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
6728   int objc,              /* Number of arguments */
6729   Tcl_Obj *CONST objv[]  /* Command arguments */
6730 ){
6731   int i = 0;
6732   if( objc!=2 ){
6733     Tcl_WrongNumArgs(interp, 1, objv, "BOOLEAN");
6734     return TCL_ERROR;
6735   }
6736   if( Tcl_GetBooleanFromObj(interp,objv[1],&i) ) return TCL_ERROR;
6737   sqlite3_test_control(SQLITE_TESTCTRL_EXTRA_SCHEMA_CHECKS, i);
6738   return TCL_OK;
6739 }
6740 
6741 /*
6742 ** tclcmd:  database_may_be_corrupt
6743 **
6744 ** Indicate that database files might be corrupt. In other words, set the normal
6745 ** state of operation.
6746 */
6747 static int SQLITE_TCLAPI database_may_be_corrupt(
6748   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
6749   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
6750   int objc,              /* Number of arguments */
6751   Tcl_Obj *CONST objv[]  /* Command arguments */
6752 ){
6753   sqlite3_test_control(SQLITE_TESTCTRL_NEVER_CORRUPT, 0);
6754   return TCL_OK;
6755 }
6756 /*
6757 ** tclcmd:  database_never_corrupt
6758 **
6759 ** Indicate that database files are always well-formed. This enables
6760 ** extra assert() statements that test conditions that are always true
6761 ** for well-formed databases.
6762 */
6763 static int SQLITE_TCLAPI database_never_corrupt(
6764   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
6765   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
6766   int objc,              /* Number of arguments */
6767   Tcl_Obj *CONST objv[]  /* Command arguments */
6768 ){
6769   sqlite3_test_control(SQLITE_TESTCTRL_NEVER_CORRUPT, 1);
6770   return TCL_OK;
6771 }
6772 
6773 /*
6774 ** tclcmd:  pcache_stats
6775 */
6776 static int SQLITE_TCLAPI test_pcache_stats(
6777   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
6778   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
6779   int objc,              /* Number of arguments */
6780   Tcl_Obj *CONST objv[]  /* Command arguments */
6781 ){
6782   int nMin;
6783   int nMax;
6784   int nCurrent;
6785   int nRecyclable;
6786   Tcl_Obj *pRet;
6787 
6788   sqlite3PcacheStats(&nCurrent, &nMax, &nMin, &nRecyclable);
6789 
6790   pRet = Tcl_NewObj();
6791   Tcl_ListObjAppendElement(interp, pRet, Tcl_NewStringObj("current", -1));
6792   Tcl_ListObjAppendElement(interp, pRet, Tcl_NewIntObj(nCurrent));
6793   Tcl_ListObjAppendElement(interp, pRet, Tcl_NewStringObj("max", -1));
6794   Tcl_ListObjAppendElement(interp, pRet, Tcl_NewIntObj(nMax));
6795   Tcl_ListObjAppendElement(interp, pRet, Tcl_NewStringObj("min", -1));
6796   Tcl_ListObjAppendElement(interp, pRet, Tcl_NewIntObj(nMin));
6797   Tcl_ListObjAppendElement(interp, pRet, Tcl_NewStringObj("recyclable", -1));
6798   Tcl_ListObjAppendElement(interp, pRet, Tcl_NewIntObj(nRecyclable));
6799 
6800   Tcl_SetObjResult(interp, pRet);
6801 
6802   return TCL_OK;
6803 }
6804 
6805 #ifdef SQLITE_ENABLE_UNLOCK_NOTIFY
6806 static void test_unlock_notify_cb(void **aArg, int nArg){
6807   int ii;
6808   for(ii=0; ii<nArg; ii++){
6809     Tcl_EvalEx((Tcl_Interp *)aArg[ii], "unlock_notify", -1, TCL_EVAL_GLOBAL);
6810   }
6811 }
6812 #endif /* SQLITE_ENABLE_UNLOCK_NOTIFY */
6813 
6814 /*
6815 ** tclcmd:  sqlite3_unlock_notify db
6816 */
6817 #ifdef SQLITE_ENABLE_UNLOCK_NOTIFY
6818 static int SQLITE_TCLAPI test_unlock_notify(
6819   ClientData clientData, /* Unused */
6820   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
6821   int objc,              /* Number of arguments */
6822   Tcl_Obj *CONST objv[]  /* Command arguments */
6823 ){
6824   sqlite3 *db;
6825   int rc;
6826 
6827   if( objc!=2 ){
6828     Tcl_WrongNumArgs(interp, 1, objv, "DB");
6829     return TCL_ERROR;
6830   }
6831 
6832   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ){
6833     return TCL_ERROR;
6834   }
6835   rc = sqlite3_unlock_notify(db, test_unlock_notify_cb, (void *)interp);
6836   Tcl_SetResult(interp, (char *)t1ErrorName(rc), TCL_STATIC);
6837   return TCL_OK;
6838 }
6839 #endif
6840 
6841 /*
6842 ** tclcmd:  sqlite3_wal_checkpoint db ?NAME?
6843 */
6844 static int SQLITE_TCLAPI test_wal_checkpoint(
6845   ClientData clientData, /* Unused */
6846   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
6847   int objc,              /* Number of arguments */
6848   Tcl_Obj *CONST objv[]  /* Command arguments */
6849 ){
6850   char *zDb = 0;
6851   sqlite3 *db;
6852   int rc;
6853 
6854   if( objc!=3 && objc!=2 ){
6855     Tcl_WrongNumArgs(interp, 1, objv, "DB ?NAME?");
6856     return TCL_ERROR;
6857   }
6858 
6859   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ){
6860     return TCL_ERROR;
6861   }
6862   if( objc==3 ){
6863     zDb = Tcl_GetString(objv[2]);
6864   }
6865   rc = sqlite3_wal_checkpoint(db, zDb);
6866   Tcl_SetResult(interp, (char *)t1ErrorName(rc), TCL_STATIC);
6867   return TCL_OK;
6868 }
6869 
6870 /*
6871 ** tclcmd:  sqlite3_wal_checkpoint_v2 db MODE ?NAME?
6872 **
6873 ** This command calls the wal_checkpoint_v2() function with the specified
6874 ** mode argument (passive, full or restart). If present, the database name
6875 ** NAME is passed as the second argument to wal_checkpoint_v2(). If it the
6876 ** NAME argument is not present, a NULL pointer is passed instead.
6877 **
6878 ** If wal_checkpoint_v2() returns any value other than SQLITE_BUSY or
6879 ** SQLITE_OK, then this command returns TCL_ERROR. The Tcl result is set
6880 ** to the error message obtained from sqlite3_errmsg().
6881 **
6882 ** Otherwise, this command returns a list of three integers. The first integer
6883 ** is 1 if SQLITE_BUSY was returned, or 0 otherwise. The following two integers
6884 ** are the values returned via the output parameters by wal_checkpoint_v2() -
6885 ** the number of frames in the log and the number of frames in the log
6886 ** that have been checkpointed.
6887 */
6888 static int SQLITE_TCLAPI test_wal_checkpoint_v2(
6889   ClientData clientData, /* Unused */
6890   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
6891   int objc,              /* Number of arguments */
6892   Tcl_Obj *CONST objv[]  /* Command arguments */
6893 ){
6894   char *zDb = 0;
6895   sqlite3 *db;
6896   int rc;
6897 
6898   int eMode;
6899   int nLog = -555;
6900   int nCkpt = -555;
6901   Tcl_Obj *pRet;
6902 
6903   const char * aMode[] = { "passive", "full", "restart", "truncate", 0 };
6904   assert( SQLITE_CHECKPOINT_PASSIVE==0 );
6905   assert( SQLITE_CHECKPOINT_FULL==1 );
6906   assert( SQLITE_CHECKPOINT_RESTART==2 );
6907   assert( SQLITE_CHECKPOINT_TRUNCATE==3 );
6908 
6909   if( objc!=3 && objc!=4 ){
6910     Tcl_WrongNumArgs(interp, 1, objv, "DB MODE ?NAME?");
6911     return TCL_ERROR;
6912   }
6913 
6914   if( objc==4 ){
6915     zDb = Tcl_GetString(objv[3]);
6916   }
6917   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) || (
6918       TCL_OK!=Tcl_GetIntFromObj(0, objv[2], &eMode)
6919    && TCL_OK!=Tcl_GetIndexFromObj(interp, objv[2], aMode, "mode", 0, &eMode)
6920   )){
6921     return TCL_ERROR;
6922   }
6923 
6924   rc = sqlite3_wal_checkpoint_v2(db, zDb, eMode, &nLog, &nCkpt);
6925   if( rc!=SQLITE_OK && rc!=SQLITE_BUSY ){
6926     const char *zErrCode = sqlite3ErrName(rc);
6927     Tcl_ResetResult(interp);
6928     Tcl_AppendResult(interp, zErrCode, " - ", (char *)sqlite3_errmsg(db), 0);
6929     return TCL_ERROR;
6930   }
6931 
6932   pRet = Tcl_NewObj();
6933   Tcl_ListObjAppendElement(interp, pRet, Tcl_NewIntObj(rc==SQLITE_BUSY?1:0));
6934   Tcl_ListObjAppendElement(interp, pRet, Tcl_NewIntObj(nLog));
6935   Tcl_ListObjAppendElement(interp, pRet, Tcl_NewIntObj(nCkpt));
6936   Tcl_SetObjResult(interp, pRet);
6937 
6938   return TCL_OK;
6939 }
6940 
6941 /*
6942 ** tclcmd:  sqlite3_wal_autocheckpoint db VALUE
6943 */
6944 static int SQLITE_TCLAPI test_wal_autocheckpoint(
6945   ClientData clientData, /* Unused */
6946   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
6947   int objc,              /* Number of arguments */
6948   Tcl_Obj *CONST objv[]  /* Command arguments */
6949 ){
6950   sqlite3 *db;
6951   int rc;
6952   int iVal;
6953 
6954 
6955   if( objc!=3 ){
6956     Tcl_WrongNumArgs(interp, 1, objv, "DB VALUE");
6957     return TCL_ERROR;
6958   }
6959 
6960   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db)
6961    || Tcl_GetIntFromObj(0, objv[2], &iVal)
6962   ){
6963     return TCL_ERROR;
6964   }
6965 
6966   rc = sqlite3_wal_autocheckpoint(db, iVal);
6967   Tcl_ResetResult(interp);
6968   if( rc!=SQLITE_OK ){
6969     const char *zErrCode = sqlite3ErrName(rc);
6970     Tcl_SetObjResult(interp, Tcl_NewStringObj(zErrCode, -1));
6971     return TCL_ERROR;
6972   }
6973 
6974   return TCL_OK;
6975 }
6976 
6977 
6978 /*
6979 ** tclcmd:  test_sqlite3_log ?SCRIPT?
6980 */
6981 static struct LogCallback {
6982   Tcl_Interp *pInterp;
6983   Tcl_Obj *pObj;
6984 } logcallback = {0, 0};
6985 static void xLogcallback(void *unused, int err, char *zMsg){
6986   Tcl_Obj *pNew = Tcl_DuplicateObj(logcallback.pObj);
6987   Tcl_IncrRefCount(pNew);
6988   Tcl_ListObjAppendElement(
6989       0, pNew, Tcl_NewStringObj(sqlite3ErrName(err), -1)
6990   );
6991   Tcl_ListObjAppendElement(0, pNew, Tcl_NewStringObj(zMsg, -1));
6992   Tcl_EvalObjEx(logcallback.pInterp, pNew, TCL_EVAL_GLOBAL|TCL_EVAL_DIRECT);
6993   Tcl_DecrRefCount(pNew);
6994 }
6995 static int SQLITE_TCLAPI test_sqlite3_log(
6996   ClientData clientData,
6997   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
6998   int objc,              /* Number of arguments */
6999   Tcl_Obj *CONST objv[]  /* Command arguments */
7000 ){
7001   if( objc>2 ){
7002     Tcl_WrongNumArgs(interp, 1, objv, "SCRIPT");
7003     return TCL_ERROR;
7004   }
7005   if( logcallback.pObj ){
7006     Tcl_DecrRefCount(logcallback.pObj);
7007     logcallback.pObj = 0;
7008     logcallback.pInterp = 0;
7009     sqlite3_config(SQLITE_CONFIG_LOG, (void*)0, (void*)0);
7010   }
7011   if( objc>1 ){
7012     logcallback.pObj = objv[1];
7013     Tcl_IncrRefCount(logcallback.pObj);
7014     logcallback.pInterp = interp;
7015     sqlite3_config(SQLITE_CONFIG_LOG, xLogcallback, (void*)0);
7016   }
7017   return TCL_OK;
7018 }
7019 
7020 /*
7021 **     tcl_objproc COMMANDNAME ARGS...
7022 **
7023 ** Run a TCL command using its objProc interface.  Throw an error if
7024 ** the command has no objProc interface.
7025 */
7026 static int SQLITE_TCLAPI runAsObjProc(
7027   void * clientData,
7028   Tcl_Interp *interp,
7029   int objc,
7030   Tcl_Obj *CONST objv[]
7031 ){
7032   Tcl_CmdInfo cmdInfo;
7033   if( objc<2 ){
7034     Tcl_WrongNumArgs(interp, 1, objv, "COMMAND ...");
7035     return TCL_ERROR;
7036   }
7037   if( !Tcl_GetCommandInfo(interp, Tcl_GetString(objv[1]), &cmdInfo) ){
7038     Tcl_AppendResult(interp, "command not found: ",
7039            Tcl_GetString(objv[1]), (char*)0);
7040     return TCL_ERROR;
7041   }
7042   if( cmdInfo.objProc==0 ){
7043     Tcl_AppendResult(interp, "command has no objProc: ",
7044            Tcl_GetString(objv[1]), (char*)0);
7045     return TCL_ERROR;
7046   }
7047   return cmdInfo.objProc(cmdInfo.objClientData, interp, objc-1, objv+1);
7048 }
7049 
7050 #ifndef SQLITE_OMIT_EXPLAIN
7051 /*
7052 ** WARNING: The following function, printExplainQueryPlan() is an exact
7053 ** copy of example code from eqp.in (eqp.html). If this code is modified,
7054 ** then the documentation copy needs to be modified as well.
7055 */
7056 /*
7057 ** Argument pStmt is a prepared SQL statement. This function compiles
7058 ** an EXPLAIN QUERY PLAN command to report on the prepared statement,
7059 ** and prints the report to stdout using printf().
7060 */
7061 int printExplainQueryPlan(sqlite3_stmt *pStmt){
7062   const char *zSql;               /* Input SQL */
7063   char *zExplain;                 /* SQL with EXPLAIN QUERY PLAN prepended */
7064   sqlite3_stmt *pExplain;         /* Compiled EXPLAIN QUERY PLAN command */
7065   int rc;                         /* Return code from sqlite3_prepare_v2() */
7066 
7067   zSql = sqlite3_sql(pStmt);
7068   if( zSql==0 ) return SQLITE_ERROR;
7069 
7070   zExplain = sqlite3_mprintf("EXPLAIN QUERY PLAN %s", zSql);
7071   if( zExplain==0 ) return SQLITE_NOMEM;
7072 
7073   rc = sqlite3_prepare_v2(sqlite3_db_handle(pStmt), zExplain, -1, &pExplain, 0);
7074   sqlite3_free(zExplain);
7075   if( rc!=SQLITE_OK ) return rc;
7076 
7077   while( SQLITE_ROW==sqlite3_step(pExplain) ){
7078     int iSelectid = sqlite3_column_int(pExplain, 0);
7079     int iOrder = sqlite3_column_int(pExplain, 1);
7080     int iFrom = sqlite3_column_int(pExplain, 2);
7081     const char *zDetail = (const char *)sqlite3_column_text(pExplain, 3);
7082 
7083     printf("%d %d %d %s\n", iSelectid, iOrder, iFrom, zDetail);
7084   }
7085 
7086   return sqlite3_finalize(pExplain);
7087 }
7088 
7089 static int SQLITE_TCLAPI test_print_eqp(
7090   void * clientData,
7091   Tcl_Interp *interp,
7092   int objc,
7093   Tcl_Obj *CONST objv[]
7094 ){
7095   int rc;
7096   sqlite3_stmt *pStmt;
7097 
7098   if( objc!=2 ){
7099     Tcl_WrongNumArgs(interp, 1, objv, "STMT");
7100     return TCL_ERROR;
7101   }
7102   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
7103   rc = printExplainQueryPlan(pStmt);
7104   /* This is needed on Windows so that a test case using this
7105   ** function can open a read pipe and get the output of
7106   ** printExplainQueryPlan() immediately.
7107   */
7108   fflush(stdout);
7109   Tcl_SetResult(interp, (char *)t1ErrorName(rc), 0);
7110   return TCL_OK;
7111 }
7112 #endif /* SQLITE_OMIT_EXPLAIN */
7113 
7114 /*
7115 ** sqlite3_test_control VERB ARGS...
7116 */
7117 static int SQLITE_TCLAPI test_test_control(
7118   void * clientData,
7119   Tcl_Interp *interp,
7120   int objc,
7121   Tcl_Obj *CONST objv[]
7122 ){
7123   struct Verb {
7124     const char *zName;
7125     int i;
7126   } aVerb[] = {
7127     { "SQLITE_TESTCTRL_LOCALTIME_FAULT",    SQLITE_TESTCTRL_LOCALTIME_FAULT },
7128     { "SQLITE_TESTCTRL_SORTER_MMAP",        SQLITE_TESTCTRL_SORTER_MMAP     },
7129     { "SQLITE_TESTCTRL_IMPOSTER",           SQLITE_TESTCTRL_IMPOSTER        },
7130     { "SQLITE_TESTCTRL_INTERNAL_FUNCTIONS", SQLITE_TESTCTRL_INTERNAL_FUNCTIONS},
7131   };
7132   int iVerb;
7133   int iFlag;
7134   int rc;
7135 
7136   if( objc<2 ){
7137     Tcl_WrongNumArgs(interp, 1, objv, "VERB ARGS...");
7138     return TCL_ERROR;
7139   }
7140 
7141   rc = Tcl_GetIndexFromObjStruct(
7142       interp, objv[1], aVerb, sizeof(aVerb[0]), "VERB", 0, &iVerb
7143   );
7144   if( rc!=TCL_OK ) return rc;
7145 
7146   iFlag = aVerb[iVerb].i;
7147   switch( iFlag ){
7148     case SQLITE_TESTCTRL_INTERNAL_FUNCTIONS: {
7149       sqlite3 *db = 0;
7150       if( objc!=3 ){
7151         Tcl_WrongNumArgs(interp, 2, objv, "DB");
7152         return TCL_ERROR;
7153       }
7154       if( getDbPointer(interp, Tcl_GetString(objv[2]), &db) ) return TCL_ERROR;
7155       sqlite3_test_control(SQLITE_TESTCTRL_INTERNAL_FUNCTIONS, db);
7156       break;
7157     }
7158     case SQLITE_TESTCTRL_LOCALTIME_FAULT: {
7159       int val;
7160       if( objc!=3 ){
7161         Tcl_WrongNumArgs(interp, 2, objv, "ONOFF");
7162         return TCL_ERROR;
7163       }
7164       if( Tcl_GetBooleanFromObj(interp, objv[2], &val) ) return TCL_ERROR;
7165       sqlite3_test_control(iFlag, val);
7166       break;
7167     }
7168 
7169     case SQLITE_TESTCTRL_SORTER_MMAP: {
7170       int val;
7171       sqlite3 *db;
7172       if( objc!=4 ){
7173         Tcl_WrongNumArgs(interp, 2, objv, "DB LIMIT");
7174         return TCL_ERROR;
7175       }
7176       if( getDbPointer(interp, Tcl_GetString(objv[2]), &db) ) return TCL_ERROR;
7177       if( Tcl_GetIntFromObj(interp, objv[3], &val) ) return TCL_ERROR;
7178       sqlite3_test_control(SQLITE_TESTCTRL_SORTER_MMAP, db, val);
7179       break;
7180     }
7181 
7182     case SQLITE_TESTCTRL_IMPOSTER: {
7183       int onOff, tnum;
7184       const char *zDbName;
7185       sqlite3 *db;
7186       if( objc!=6 ){
7187         Tcl_WrongNumArgs(interp, 2, objv, "DB dbName onOff tnum");
7188         return TCL_ERROR;
7189       }
7190       if( getDbPointer(interp, Tcl_GetString(objv[2]), &db) ) return TCL_ERROR;
7191       zDbName = Tcl_GetString(objv[3]);
7192       if( Tcl_GetIntFromObj(interp, objv[4], &onOff) ) return TCL_ERROR;
7193       if( Tcl_GetIntFromObj(interp, objv[5], &tnum) ) return TCL_ERROR;
7194       sqlite3_test_control(SQLITE_TESTCTRL_IMPOSTER, db, zDbName, onOff, tnum);
7195       break;
7196     }
7197   }
7198 
7199   Tcl_ResetResult(interp);
7200   return TCL_OK;
7201 }
7202 
7203 #if SQLITE_OS_UNIX
7204 #include <sys/time.h>
7205 #include <sys/resource.h>
7206 
7207 static int SQLITE_TCLAPI test_getrusage(
7208   void * clientData,
7209   Tcl_Interp *interp,
7210   int objc,
7211   Tcl_Obj *CONST objv[]
7212 ){
7213   char buf[1024];
7214   struct rusage r;
7215   memset(&r, 0, sizeof(r));
7216   getrusage(RUSAGE_SELF, &r);
7217 
7218   sqlite3_snprintf(sizeof(buf), buf,
7219     "ru_utime=%d.%06d ru_stime=%d.%06d ru_minflt=%d ru_majflt=%d",
7220     (int)r.ru_utime.tv_sec, (int)r.ru_utime.tv_usec,
7221     (int)r.ru_stime.tv_sec, (int)r.ru_stime.tv_usec,
7222     (int)r.ru_minflt, (int)r.ru_majflt
7223   );
7224   Tcl_SetObjResult(interp, Tcl_NewStringObj(buf, -1));
7225   return TCL_OK;
7226 }
7227 #endif
7228 
7229 #if SQLITE_OS_WIN
7230 /*
7231 ** Information passed from the main thread into the windows file locker
7232 ** background thread.
7233 */
7234 struct win32FileLocker {
7235   char *evName;       /* Name of event to signal thread startup */
7236   HANDLE h;           /* Handle of the file to be locked */
7237   int delay1;         /* Delay before locking */
7238   int delay2;         /* Delay before unlocking */
7239   int ok;             /* Finished ok */
7240   int err;            /* True if an error occurs */
7241 };
7242 #endif
7243 
7244 
7245 #if SQLITE_OS_WIN
7246 #include <process.h>
7247 /*
7248 ** The background thread that does file locking.
7249 */
7250 static void SQLITE_CDECL win32_file_locker(void *pAppData){
7251   struct win32FileLocker *p = (struct win32FileLocker*)pAppData;
7252   if( p->evName ){
7253     HANDLE ev = OpenEvent(EVENT_MODIFY_STATE, FALSE, p->evName);
7254     if ( ev ){
7255       SetEvent(ev);
7256       CloseHandle(ev);
7257     }
7258   }
7259   if( p->delay1 ) Sleep(p->delay1);
7260   if( LockFile(p->h, 0, 0, 100000000, 0) ){
7261     Sleep(p->delay2);
7262     UnlockFile(p->h, 0, 0, 100000000, 0);
7263     p->ok = 1;
7264   }else{
7265     p->err = 1;
7266   }
7267   CloseHandle(p->h);
7268   p->h = 0;
7269   p->delay1 = 0;
7270   p->delay2 = 0;
7271 }
7272 #endif
7273 
7274 #if SQLITE_OS_WIN
7275 /*
7276 **      lock_win32_file FILENAME DELAY1 DELAY2
7277 **
7278 ** Get an exclusive manditory lock on file for DELAY2 milliseconds.
7279 ** Wait DELAY1 milliseconds before acquiring the lock.
7280 */
7281 static int SQLITE_TCLAPI win32_file_lock(
7282   void * clientData,
7283   Tcl_Interp *interp,
7284   int objc,
7285   Tcl_Obj *CONST objv[]
7286 ){
7287   static struct win32FileLocker x = { "win32_file_lock", 0, 0, 0, 0, 0 };
7288   const char *zFilename;
7289   char zBuf[200];
7290   int retry = 0;
7291   HANDLE ev;
7292   DWORD wResult;
7293 
7294   if( objc!=4 && objc!=1 ){
7295     Tcl_WrongNumArgs(interp, 1, objv, "FILENAME DELAY1 DELAY2");
7296     return TCL_ERROR;
7297   }
7298   if( objc==1 ){
7299     sqlite3_snprintf(sizeof(zBuf), zBuf, "%d %d %d %d %d",
7300                      x.ok, x.err, x.delay1, x.delay2, x.h);
7301     Tcl_AppendResult(interp, zBuf, (char*)0);
7302     return TCL_OK;
7303   }
7304   while( x.h && retry<30 ){
7305     retry++;
7306     Sleep(100);
7307   }
7308   if( x.h ){
7309     Tcl_AppendResult(interp, "busy", (char*)0);
7310     return TCL_ERROR;
7311   }
7312   if( Tcl_GetIntFromObj(interp, objv[2], &x.delay1) ) return TCL_ERROR;
7313   if( Tcl_GetIntFromObj(interp, objv[3], &x.delay2) ) return TCL_ERROR;
7314   zFilename = Tcl_GetString(objv[1]);
7315   x.h = CreateFile(zFilename, GENERIC_READ|GENERIC_WRITE,
7316               FILE_SHARE_READ|FILE_SHARE_WRITE, 0, OPEN_ALWAYS,
7317               FILE_ATTRIBUTE_NORMAL, 0);
7318   if( !x.h ){
7319     Tcl_AppendResult(interp, "cannot open file: ", zFilename, (char*)0);
7320     return TCL_ERROR;
7321   }
7322   ev = CreateEvent(NULL, TRUE, FALSE, x.evName);
7323   if ( !ev ){
7324     Tcl_AppendResult(interp, "cannot create event: ", x.evName, (char*)0);
7325     return TCL_ERROR;
7326   }
7327   _beginthread(win32_file_locker, 0, (void*)&x);
7328   Sleep(0);
7329   if ( (wResult = WaitForSingleObject(ev, 10000))!=WAIT_OBJECT_0 ){
7330     sqlite3_snprintf(sizeof(zBuf), zBuf, "0x%x", wResult);
7331     Tcl_AppendResult(interp, "wait failed: ", zBuf, (char*)0);
7332     CloseHandle(ev);
7333     return TCL_ERROR;
7334   }
7335   CloseHandle(ev);
7336   return TCL_OK;
7337 }
7338 
7339 /*
7340 **      exists_win32_path PATH
7341 **
7342 ** Returns non-zero if the specified path exists, whose fully qualified name
7343 ** may exceed 260 characters if it is prefixed with "\\?\".
7344 */
7345 static int SQLITE_TCLAPI win32_exists_path(
7346   void *clientData,
7347   Tcl_Interp *interp,
7348   int objc,
7349   Tcl_Obj *CONST objv[]
7350 ){
7351   if( objc!=2 ){
7352     Tcl_WrongNumArgs(interp, 1, objv, "PATH");
7353     return TCL_ERROR;
7354   }
7355   Tcl_SetObjResult(interp, Tcl_NewBooleanObj(
7356       GetFileAttributesW( Tcl_GetUnicode(objv[1]))!=INVALID_FILE_ATTRIBUTES ));
7357   return TCL_OK;
7358 }
7359 
7360 /*
7361 **      find_win32_file PATTERN
7362 **
7363 ** Returns a list of entries in a directory that match the specified pattern,
7364 ** whose fully qualified name may exceed 248 characters if it is prefixed with
7365 ** "\\?\".
7366 */
7367 static int SQLITE_TCLAPI win32_find_file(
7368   void *clientData,
7369   Tcl_Interp *interp,
7370   int objc,
7371   Tcl_Obj *CONST objv[]
7372 ){
7373   HANDLE hFindFile = INVALID_HANDLE_VALUE;
7374   WIN32_FIND_DATAW findData;
7375   Tcl_Obj *listObj;
7376   DWORD lastErrno;
7377   if( objc!=2 ){
7378     Tcl_WrongNumArgs(interp, 1, objv, "PATTERN");
7379     return TCL_ERROR;
7380   }
7381   hFindFile = FindFirstFileW(Tcl_GetUnicode(objv[1]), &findData);
7382   if( hFindFile==INVALID_HANDLE_VALUE ){
7383     Tcl_SetObjResult(interp, Tcl_NewWideIntObj(GetLastError()));
7384     return TCL_ERROR;
7385   }
7386   listObj = Tcl_NewObj();
7387   Tcl_IncrRefCount(listObj);
7388   do {
7389     Tcl_ListObjAppendElement(interp, listObj, Tcl_NewUnicodeObj(
7390         findData.cFileName, -1));
7391     Tcl_ListObjAppendElement(interp, listObj, Tcl_NewWideIntObj(
7392         findData.dwFileAttributes));
7393   } while( FindNextFileW(hFindFile, &findData) );
7394   lastErrno = GetLastError();
7395   if( lastErrno!=NO_ERROR && lastErrno!=ERROR_NO_MORE_FILES ){
7396     FindClose(hFindFile);
7397     Tcl_DecrRefCount(listObj);
7398     Tcl_SetObjResult(interp, Tcl_NewWideIntObj(GetLastError()));
7399     return TCL_ERROR;
7400   }
7401   FindClose(hFindFile);
7402   Tcl_SetObjResult(interp, listObj);
7403   return TCL_OK;
7404 }
7405 
7406 /*
7407 **      delete_win32_file FILENAME
7408 **
7409 ** Deletes the specified file, whose fully qualified name may exceed 260
7410 ** characters if it is prefixed with "\\?\".
7411 */
7412 static int SQLITE_TCLAPI win32_delete_file(
7413   void *clientData,
7414   Tcl_Interp *interp,
7415   int objc,
7416   Tcl_Obj *CONST objv[]
7417 ){
7418   if( objc!=2 ){
7419     Tcl_WrongNumArgs(interp, 1, objv, "FILENAME");
7420     return TCL_ERROR;
7421   }
7422   if( !DeleteFileW(Tcl_GetUnicode(objv[1])) ){
7423     Tcl_SetObjResult(interp, Tcl_NewWideIntObj(GetLastError()));
7424     return TCL_ERROR;
7425   }
7426   Tcl_ResetResult(interp);
7427   return TCL_OK;
7428 }
7429 
7430 /*
7431 **      make_win32_dir DIRECTORY
7432 **
7433 ** Creates the specified directory, whose fully qualified name may exceed 248
7434 ** characters if it is prefixed with "\\?\".
7435 */
7436 static int SQLITE_TCLAPI win32_mkdir(
7437   void *clientData,
7438   Tcl_Interp *interp,
7439   int objc,
7440   Tcl_Obj *CONST objv[]
7441 ){
7442   if( objc!=2 ){
7443     Tcl_WrongNumArgs(interp, 1, objv, "DIRECTORY");
7444     return TCL_ERROR;
7445   }
7446   if( !CreateDirectoryW(Tcl_GetUnicode(objv[1]), NULL) ){
7447     Tcl_SetObjResult(interp, Tcl_NewWideIntObj(GetLastError()));
7448     return TCL_ERROR;
7449   }
7450   Tcl_ResetResult(interp);
7451   return TCL_OK;
7452 }
7453 
7454 /*
7455 **      remove_win32_dir DIRECTORY
7456 **
7457 ** Removes the specified directory, whose fully qualified name may exceed 248
7458 ** characters if it is prefixed with "\\?\".
7459 */
7460 static int SQLITE_TCLAPI win32_rmdir(
7461   void *clientData,
7462   Tcl_Interp *interp,
7463   int objc,
7464   Tcl_Obj *CONST objv[]
7465 ){
7466   if( objc!=2 ){
7467     Tcl_WrongNumArgs(interp, 1, objv, "DIRECTORY");
7468     return TCL_ERROR;
7469   }
7470   if( !RemoveDirectoryW(Tcl_GetUnicode(objv[1])) ){
7471     Tcl_SetObjResult(interp, Tcl_NewWideIntObj(GetLastError()));
7472     return TCL_ERROR;
7473   }
7474   Tcl_ResetResult(interp);
7475   return TCL_OK;
7476 }
7477 #endif
7478 
7479 
7480 /*
7481 **      optimization_control DB OPT BOOLEAN
7482 **
7483 ** Enable or disable query optimizations using the sqlite3_test_control()
7484 ** interface.  Disable if BOOLEAN is false and enable if BOOLEAN is true.
7485 ** OPT is the name of the optimization to be disabled.
7486 */
7487 static int SQLITE_TCLAPI optimization_control(
7488   void * clientData,
7489   Tcl_Interp *interp,
7490   int objc,
7491   Tcl_Obj *CONST objv[]
7492 ){
7493   int i;
7494   sqlite3 *db;
7495   const char *zOpt;
7496   int onoff;
7497   int mask = 0;
7498   static const struct {
7499     const char *zOptName;
7500     int mask;
7501   } aOpt[] = {
7502     { "all",                 SQLITE_AllOpts        },
7503     { "none",                0                     },
7504     { "query-flattener",     SQLITE_QueryFlattener },
7505     { "groupby-order",       SQLITE_GroupByOrder   },
7506     { "factor-constants",    SQLITE_FactorOutConst },
7507     { "distinct-opt",        SQLITE_DistinctOpt    },
7508     { "cover-idx-scan",      SQLITE_CoverIdxScan   },
7509     { "order-by-idx-join",   SQLITE_OrderByIdxJoin },
7510     { "transitive",          SQLITE_Transitive     },
7511     { "omit-noop-join",      SQLITE_OmitNoopJoin   },
7512     { "stat4",               SQLITE_Stat4          },
7513     { "skip-scan",           SQLITE_SkipScan       },
7514     { "push-down",           SQLITE_PushDown       },
7515     { "balanced-merge",      SQLITE_BalancedMerge  },
7516   };
7517 
7518   if( objc!=4 ){
7519     Tcl_WrongNumArgs(interp, 1, objv, "DB OPT BOOLEAN");
7520     return TCL_ERROR;
7521   }
7522   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
7523   if( Tcl_GetBooleanFromObj(interp, objv[3], &onoff) ) return TCL_ERROR;
7524   zOpt = Tcl_GetString(objv[2]);
7525   for(i=0; i<sizeof(aOpt)/sizeof(aOpt[0]); i++){
7526     if( strcmp(zOpt, aOpt[i].zOptName)==0 ){
7527       mask = aOpt[i].mask;
7528       break;
7529     }
7530   }
7531   if( onoff ) mask = ~mask;
7532   if( i>=sizeof(aOpt)/sizeof(aOpt[0]) ){
7533     Tcl_AppendResult(interp, "unknown optimization - should be one of:",
7534                      (char*)0);
7535     for(i=0; i<sizeof(aOpt)/sizeof(aOpt[0]); i++){
7536       Tcl_AppendResult(interp, " ", aOpt[i].zOptName, (char*)0);
7537     }
7538     return TCL_ERROR;
7539   }
7540   sqlite3_test_control(SQLITE_TESTCTRL_OPTIMIZATIONS, db, mask);
7541   return TCL_OK;
7542 }
7543 
7544 /*
7545 **     load_static_extension DB NAME ...
7546 **
7547 ** Load one or more statically linked extensions.
7548 */
7549 static int SQLITE_TCLAPI tclLoadStaticExtensionCmd(
7550   void * clientData,
7551   Tcl_Interp *interp,
7552   int objc,
7553   Tcl_Obj *CONST objv[]
7554 ){
7555   extern int sqlite3_amatch_init(sqlite3*,char**,const sqlite3_api_routines*);
7556   extern int sqlite3_appendvfs_init(sqlite3*,char**,const sqlite3_api_routines*);
7557   extern int sqlite3_carray_init(sqlite3*,char**,const sqlite3_api_routines*);
7558   extern int sqlite3_closure_init(sqlite3*,char**,const sqlite3_api_routines*);
7559   extern int sqlite3_csv_init(sqlite3*,char**,const sqlite3_api_routines*);
7560   extern int sqlite3_eval_init(sqlite3*,char**,const sqlite3_api_routines*);
7561   extern int sqlite3_explain_init(sqlite3*,char**,const sqlite3_api_routines*);
7562   extern int sqlite3_fileio_init(sqlite3*,char**,const sqlite3_api_routines*);
7563   extern int sqlite3_decimal_init(sqlite3*,char**,const sqlite3_api_routines*);
7564   extern int sqlite3_fuzzer_init(sqlite3*,char**,const sqlite3_api_routines*);
7565   extern int sqlite3_ieee_init(sqlite3*,char**,const sqlite3_api_routines*);
7566   extern int sqlite3_nextchar_init(sqlite3*,char**,const sqlite3_api_routines*);
7567   extern int sqlite3_percentile_init(sqlite3*,char**,const sqlite3_api_routines*);
7568 #ifndef SQLITE_OMIT_VIRTUALTABLE
7569   extern int sqlite3_prefixes_init(sqlite3*,char**,const sqlite3_api_routines*);
7570 #endif
7571   extern int sqlite3_regexp_init(sqlite3*,char**,const sqlite3_api_routines*);
7572   extern int sqlite3_remember_init(sqlite3*,char**,const sqlite3_api_routines*);
7573   extern int sqlite3_series_init(sqlite3*,char**,const sqlite3_api_routines*);
7574   extern int sqlite3_spellfix_init(sqlite3*,char**,const sqlite3_api_routines*);
7575   extern int sqlite3_totype_init(sqlite3*,char**,const sqlite3_api_routines*);
7576   extern int sqlite3_wholenumber_init(sqlite3*,char**,const sqlite3_api_routines*);
7577   extern int sqlite3_unionvtab_init(sqlite3*,char**,const sqlite3_api_routines*);
7578 #ifdef SQLITE_HAVE_ZLIB
7579   extern int sqlite3_zipfile_init(sqlite3*,char**,const sqlite3_api_routines*);
7580 #endif
7581   static const struct {
7582     const char *zExtName;
7583     int (*pInit)(sqlite3*,char**,const sqlite3_api_routines*);
7584   } aExtension[] = {
7585     { "amatch",                sqlite3_amatch_init               },
7586     { "appendvfs",             sqlite3_appendvfs_init            },
7587     { "carray",                sqlite3_carray_init               },
7588     { "closure",               sqlite3_closure_init              },
7589     { "csv",                   sqlite3_csv_init                  },
7590     { "decimal",               sqlite3_decimal_init              },
7591     { "eval",                  sqlite3_eval_init                 },
7592     { "explain",               sqlite3_explain_init              },
7593     { "fileio",                sqlite3_fileio_init               },
7594     { "fuzzer",                sqlite3_fuzzer_init               },
7595     { "ieee754",               sqlite3_ieee_init                 },
7596     { "nextchar",              sqlite3_nextchar_init             },
7597     { "percentile",            sqlite3_percentile_init           },
7598 #ifndef SQLITE_OMIT_VIRTUALTABLE
7599     { "prefixes",              sqlite3_prefixes_init             },
7600 #endif
7601     { "regexp",                sqlite3_regexp_init               },
7602     { "remember",              sqlite3_remember_init             },
7603     { "series",                sqlite3_series_init               },
7604     { "spellfix",              sqlite3_spellfix_init             },
7605     { "totype",                sqlite3_totype_init               },
7606     { "unionvtab",             sqlite3_unionvtab_init            },
7607     { "wholenumber",           sqlite3_wholenumber_init          },
7608 #ifdef SQLITE_HAVE_ZLIB
7609     { "zipfile",               sqlite3_zipfile_init              },
7610 #endif
7611   };
7612   sqlite3 *db;
7613   const char *zName;
7614   int i, j, rc;
7615   char *zErrMsg = 0;
7616   if( objc<3 ){
7617     Tcl_WrongNumArgs(interp, 1, objv, "DB NAME ...");
7618     return TCL_ERROR;
7619   }
7620   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
7621   for(j=2; j<objc; j++){
7622     zName = Tcl_GetString(objv[j]);
7623     for(i=0; i<ArraySize(aExtension); i++){
7624       if( strcmp(zName, aExtension[i].zExtName)==0 ) break;
7625     }
7626     if( i>=ArraySize(aExtension) ){
7627       Tcl_AppendResult(interp, "no such extension: ", zName, (char*)0);
7628       return TCL_ERROR;
7629     }
7630     if( aExtension[i].pInit ){
7631       rc = aExtension[i].pInit(db, &zErrMsg, 0);
7632     }else{
7633       rc = SQLITE_OK;
7634     }
7635     if( (rc!=SQLITE_OK && rc!=SQLITE_OK_LOAD_PERMANENTLY) || zErrMsg ){
7636       Tcl_AppendResult(interp, "initialization of ", zName, " failed: ", zErrMsg,
7637                        (char*)0);
7638       sqlite3_free(zErrMsg);
7639       return TCL_ERROR;
7640     }
7641   }
7642   return TCL_OK;
7643 }
7644 
7645 /*
7646 **     sorter_test_fakeheap BOOL
7647 **
7648 */
7649 static int SQLITE_TCLAPI sorter_test_fakeheap(
7650   void * clientData,
7651   Tcl_Interp *interp,
7652   int objc,
7653   Tcl_Obj *CONST objv[]
7654 ){
7655   int bArg;
7656   if( objc!=2 ){
7657     Tcl_WrongNumArgs(interp, 1, objv, "BOOL");
7658     return TCL_ERROR;
7659   }
7660 
7661   if( Tcl_GetBooleanFromObj(interp, objv[1], &bArg) ){
7662     return TCL_ERROR;
7663   }
7664 
7665   if( bArg ){
7666     if( sqlite3GlobalConfig.pHeap==0 ){
7667       sqlite3GlobalConfig.pHeap = SQLITE_INT_TO_PTR(-1);
7668     }
7669   }else{
7670     if( sqlite3GlobalConfig.pHeap==SQLITE_INT_TO_PTR(-1) ){
7671       sqlite3GlobalConfig.pHeap = 0;
7672     }
7673   }
7674 
7675   Tcl_ResetResult(interp);
7676   return TCL_OK;
7677 }
7678 
7679 /*
7680 **     sorter_test_sort4_helper DB SQL1 NSTEP SQL2
7681 **
7682 ** Compile SQL statement $SQL1 and step it $NSTEP times. For each row,
7683 ** check that the leftmost and rightmost columns returned are both integers,
7684 ** and that both contain the same value.
7685 **
7686 ** Then execute statement $SQL2. Check that the statement returns the same
7687 ** set of integers in the same order as in the previous step (using $SQL1).
7688 */
7689 static int SQLITE_TCLAPI sorter_test_sort4_helper(
7690   void * clientData,
7691   Tcl_Interp *interp,
7692   int objc,
7693   Tcl_Obj *CONST objv[]
7694 ){
7695   const char *zSql1;
7696   const char *zSql2;
7697   int nStep;
7698   int iStep;
7699   unsigned int iCksum1 = 0;
7700   unsigned int iCksum2 = 0;
7701   int rc;
7702   int iB;
7703   sqlite3 *db;
7704   sqlite3_stmt *pStmt;
7705 
7706   if( objc!=5 ){
7707     Tcl_WrongNumArgs(interp, 1, objv, "DB SQL1 NSTEP SQL2");
7708     return TCL_ERROR;
7709   }
7710 
7711   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
7712   zSql1 = Tcl_GetString(objv[2]);
7713   if( Tcl_GetIntFromObj(interp, objv[3], &nStep) ) return TCL_ERROR;
7714   zSql2 = Tcl_GetString(objv[4]);
7715 
7716   rc = sqlite3_prepare_v2(db, zSql1, -1, &pStmt, 0);
7717   if( rc!=SQLITE_OK ) goto sql_error;
7718 
7719   iB = sqlite3_column_count(pStmt)-1;
7720   for(iStep=0; iStep<nStep && SQLITE_ROW==sqlite3_step(pStmt); iStep++){
7721     int a = sqlite3_column_int(pStmt, 0);
7722     if( a!=sqlite3_column_int(pStmt, iB) ){
7723       Tcl_AppendResult(interp, "data error: (a!=b)", 0);
7724       return TCL_ERROR;
7725     }
7726 
7727     iCksum1 += (iCksum1 << 3) + (unsigned int)a;
7728   }
7729   rc = sqlite3_finalize(pStmt);
7730   if( rc!=SQLITE_OK ) goto sql_error;
7731 
7732   rc = sqlite3_prepare_v2(db, zSql2, -1, &pStmt, 0);
7733   if( rc!=SQLITE_OK ) goto sql_error;
7734   for(iStep=0; SQLITE_ROW==sqlite3_step(pStmt); iStep++){
7735     int a = sqlite3_column_int(pStmt, 0);
7736     iCksum2 += (iCksum2 << 3) + (unsigned int)a;
7737   }
7738   rc = sqlite3_finalize(pStmt);
7739   if( rc!=SQLITE_OK ) goto sql_error;
7740 
7741   if( iCksum1!=iCksum2 ){
7742     Tcl_AppendResult(interp, "checksum mismatch", 0);
7743     return TCL_ERROR;
7744   }
7745 
7746   return TCL_OK;
7747  sql_error:
7748   Tcl_AppendResult(interp, "sql error: ", sqlite3_errmsg(db), 0);
7749   return TCL_ERROR;
7750 }
7751 
7752 
7753 #ifdef SQLITE_USER_AUTHENTICATION
7754 #include "sqlite3userauth.h"
7755 /*
7756 ** tclcmd:  sqlite3_user_authenticate DB USERNAME PASSWORD
7757 */
7758 static int SQLITE_TCLAPI test_user_authenticate(
7759   ClientData clientData, /* Unused */
7760   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
7761   int objc,              /* Number of arguments */
7762   Tcl_Obj *CONST objv[]  /* Command arguments */
7763 ){
7764   char *zUser = 0;
7765   char *zPasswd = 0;
7766   int nPasswd = 0;
7767   sqlite3 *db;
7768   int rc;
7769 
7770   if( objc!=4 ){
7771     Tcl_WrongNumArgs(interp, 1, objv, "DB USERNAME PASSWORD");
7772     return TCL_ERROR;
7773   }
7774   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ){
7775     return TCL_ERROR;
7776   }
7777   zUser = Tcl_GetString(objv[2]);
7778   zPasswd = Tcl_GetStringFromObj(objv[3], &nPasswd);
7779   rc = sqlite3_user_authenticate(db, zUser, zPasswd, nPasswd);
7780   Tcl_SetResult(interp, (char *)t1ErrorName(rc), TCL_STATIC);
7781   return TCL_OK;
7782 }
7783 #endif /* SQLITE_USER_AUTHENTICATION */
7784 
7785 #ifdef SQLITE_USER_AUTHENTICATION
7786 /*
7787 ** tclcmd:  sqlite3_user_add DB USERNAME PASSWORD ISADMIN
7788 */
7789 static int SQLITE_TCLAPI test_user_add(
7790   ClientData clientData, /* Unused */
7791   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
7792   int objc,              /* Number of arguments */
7793   Tcl_Obj *CONST objv[]  /* Command arguments */
7794 ){
7795   char *zUser = 0;
7796   char *zPasswd = 0;
7797   int nPasswd = 0;
7798   int isAdmin = 0;
7799   sqlite3 *db;
7800   int rc;
7801 
7802   if( objc!=5 ){
7803     Tcl_WrongNumArgs(interp, 1, objv, "DB USERNAME PASSWORD ISADMIN");
7804     return TCL_ERROR;
7805   }
7806   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ){
7807     return TCL_ERROR;
7808   }
7809   zUser = Tcl_GetString(objv[2]);
7810   zPasswd = Tcl_GetStringFromObj(objv[3], &nPasswd);
7811   Tcl_GetBooleanFromObj(interp, objv[4], &isAdmin);
7812   rc = sqlite3_user_add(db, zUser, zPasswd, nPasswd, isAdmin);
7813   Tcl_SetResult(interp, (char *)t1ErrorName(rc), TCL_STATIC);
7814   return TCL_OK;
7815 }
7816 #endif /* SQLITE_USER_AUTHENTICATION */
7817 
7818 #ifdef SQLITE_USER_AUTHENTICATION
7819 /*
7820 ** tclcmd:  sqlite3_user_change DB USERNAME PASSWORD ISADMIN
7821 */
7822 static int SQLITE_TCLAPI test_user_change(
7823   ClientData clientData, /* Unused */
7824   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
7825   int objc,              /* Number of arguments */
7826   Tcl_Obj *CONST objv[]  /* Command arguments */
7827 ){
7828   char *zUser = 0;
7829   char *zPasswd = 0;
7830   int nPasswd = 0;
7831   int isAdmin = 0;
7832   sqlite3 *db;
7833   int rc;
7834 
7835   if( objc!=5 ){
7836     Tcl_WrongNumArgs(interp, 1, objv, "DB USERNAME PASSWORD ISADMIN");
7837     return TCL_ERROR;
7838   }
7839   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ){
7840     return TCL_ERROR;
7841   }
7842   zUser = Tcl_GetString(objv[2]);
7843   zPasswd = Tcl_GetStringFromObj(objv[3], &nPasswd);
7844   Tcl_GetBooleanFromObj(interp, objv[4], &isAdmin);
7845   rc = sqlite3_user_change(db, zUser, zPasswd, nPasswd, isAdmin);
7846   Tcl_SetResult(interp, (char *)t1ErrorName(rc), TCL_STATIC);
7847   return TCL_OK;
7848 }
7849 #endif /* SQLITE_USER_AUTHENTICATION */
7850 
7851 #ifdef SQLITE_USER_AUTHENTICATION
7852 /*
7853 ** tclcmd:  sqlite3_user_delete DB USERNAME
7854 */
7855 static int SQLITE_TCLAPI test_user_delete(
7856   ClientData clientData, /* Unused */
7857   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
7858   int objc,              /* Number of arguments */
7859   Tcl_Obj *CONST objv[]  /* Command arguments */
7860 ){
7861   char *zUser = 0;
7862   sqlite3 *db;
7863   int rc;
7864 
7865   if( objc!=3 ){
7866     Tcl_WrongNumArgs(interp, 1, objv, "DB USERNAME");
7867     return TCL_ERROR;
7868   }
7869   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ){
7870     return TCL_ERROR;
7871   }
7872   zUser = Tcl_GetString(objv[2]);
7873   rc = sqlite3_user_delete(db, zUser);
7874   Tcl_SetResult(interp, (char *)t1ErrorName(rc), TCL_STATIC);
7875   return TCL_OK;
7876 }
7877 #endif /* SQLITE_USER_AUTHENTICATION */
7878 
7879 /*
7880 ** tclcmd: bad_behavior TYPE
7881 **
7882 ** Do some things that should trigger a valgrind or -fsanitize=undefined
7883 ** warning.  This is used to verify that errors and warnings output by those
7884 ** tools are detected by the test scripts.
7885 **
7886 **       TYPE       BEHAVIOR
7887 **       1          Overflow a signed integer
7888 **       2          Jump based on an uninitialized variable
7889 **       3          Read after free
7890 **       4          Panic
7891 */
7892 static int SQLITE_TCLAPI test_bad_behavior(
7893   ClientData clientData, /* Pointer to an integer containing zero */
7894   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
7895   int objc,              /* Number of arguments */
7896   Tcl_Obj *CONST objv[]  /* Command arguments */
7897 ){
7898   int iType;
7899   int xyz;
7900   int i = *(int*)clientData;
7901   int j;
7902   int w[10];
7903   int *a;
7904   if( objc!=2 ){
7905     Tcl_WrongNumArgs(interp, 1, objv, "TYPE");
7906     return TCL_ERROR;
7907   }
7908   if( Tcl_GetIntFromObj(interp, objv[1], &iType) ) return TCL_ERROR;
7909   switch( iType ){
7910     case 1: {
7911       xyz = 0x7fffff00 - i;
7912       xyz += 0x100;
7913       Tcl_SetObjResult(interp, Tcl_NewIntObj(xyz));
7914       break;
7915     }
7916     case 2: {
7917       w[1] = 5;
7918       if( w[i]>0 ) w[1]++;
7919       Tcl_SetObjResult(interp, Tcl_NewIntObj(w[1]));
7920       break;
7921     }
7922     case 3: {
7923       a = malloc( sizeof(int)*10 );
7924       for(j=0; j<10; j++) a[j] = j;
7925       free(a);
7926       Tcl_SetObjResult(interp, Tcl_NewIntObj(a[i]));
7927       break;
7928     }
7929     case 4: {
7930       Tcl_Panic("Deliberate panic");
7931       break;
7932     }
7933   }
7934   return TCL_OK;
7935 }
7936 
7937 /*
7938 ** tclcmd:   register_dbstat_vtab DB
7939 **
7940 ** Cause the dbstat virtual table to be available on the connection DB
7941 */
7942 static int SQLITE_TCLAPI test_register_dbstat_vtab(
7943   void *clientData,
7944   Tcl_Interp *interp,
7945   int objc,
7946   Tcl_Obj *CONST objv[]
7947 ){
7948 #ifdef SQLITE_OMIT_VIRTUALTABLE
7949   Tcl_AppendResult(interp, "dbstat not available because of "
7950                            "SQLITE_OMIT_VIRTUALTABLE", (void*)0);
7951   return TCL_ERROR;
7952 #else
7953   struct SqliteDb { sqlite3 *db; };
7954   char *zDb;
7955   Tcl_CmdInfo cmdInfo;
7956 
7957   if( objc!=2 ){
7958     Tcl_WrongNumArgs(interp, 1, objv, "DB");
7959     return TCL_ERROR;
7960   }
7961 
7962   zDb = Tcl_GetString(objv[1]);
7963   if( Tcl_GetCommandInfo(interp, zDb, &cmdInfo) ){
7964     sqlite3* db = ((struct SqliteDb*)cmdInfo.objClientData)->db;
7965     sqlite3DbstatRegister(db);
7966   }
7967   return TCL_OK;
7968 #endif /* SQLITE_OMIT_VIRTUALTABLE */
7969 }
7970 
7971 /*
7972 ** tclcmd:   sqlite3_db_config DB SETTING VALUE
7973 **
7974 ** Invoke sqlite3_db_config() for one of the setting values.
7975 */
7976 static int SQLITE_TCLAPI test_sqlite3_db_config(
7977   void *clientData,
7978   Tcl_Interp *interp,
7979   int objc,
7980   Tcl_Obj *CONST objv[]
7981 ){
7982   static const struct {
7983     const char *zName;
7984     int eVal;
7985   } aSetting[] = {
7986     { "FKEY",               SQLITE_DBCONFIG_ENABLE_FKEY },
7987     { "TRIGGER",            SQLITE_DBCONFIG_ENABLE_TRIGGER },
7988     { "FTS3_TOKENIZER",     SQLITE_DBCONFIG_ENABLE_FTS3_TOKENIZER },
7989     { "LOAD_EXTENSION",     SQLITE_DBCONFIG_ENABLE_LOAD_EXTENSION },
7990     { "NO_CKPT_ON_CLOSE",   SQLITE_DBCONFIG_NO_CKPT_ON_CLOSE },
7991     { "QPSG",               SQLITE_DBCONFIG_ENABLE_QPSG },
7992     { "TRIGGER_EQP",        SQLITE_DBCONFIG_TRIGGER_EQP },
7993     { "RESET_DB",           SQLITE_DBCONFIG_RESET_DATABASE },
7994     { "DEFENSIVE",          SQLITE_DBCONFIG_DEFENSIVE },
7995     { "WRITABLE_SCHEMA",    SQLITE_DBCONFIG_WRITABLE_SCHEMA },
7996     { "LEGACY_ALTER_TABLE", SQLITE_DBCONFIG_LEGACY_ALTER_TABLE },
7997     { "DQS_DML",            SQLITE_DBCONFIG_DQS_DML },
7998     { "DQS_DDL",            SQLITE_DBCONFIG_DQS_DDL },
7999     { "LEGACY_FILE_FORMAT", SQLITE_DBCONFIG_LEGACY_FILE_FORMAT },
8000   };
8001   int i;
8002   int v = 0;
8003   const char *zSetting;
8004   sqlite3 *db;
8005 
8006   if( objc!=4 && objc!=3 ){
8007     Tcl_WrongNumArgs(interp, 1, objv, "DB SETTING [VALUE]");
8008     return TCL_ERROR;
8009   }
8010   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
8011   zSetting = Tcl_GetString(objv[2]);
8012   if( sqlite3_strglob("SQLITE_*", zSetting)==0 ) zSetting += 7;
8013   if( sqlite3_strglob("DBCONFIG_*", zSetting)==0 ) zSetting += 9;
8014   if( sqlite3_strglob("ENABLE_*", zSetting)==0 ) zSetting += 7;
8015   for(i=0; i<ArraySize(aSetting); i++){
8016     if( strcmp(zSetting, aSetting[i].zName)==0 ) break;
8017   }
8018   if( i>=ArraySize(aSetting) ){
8019     Tcl_SetObjResult(interp,
8020       Tcl_NewStringObj("unknown sqlite3_db_config setting", -1));
8021     return TCL_ERROR;
8022   }
8023   if( objc==4 ){
8024     if( Tcl_GetIntFromObj(interp, objv[3], &v) ) return TCL_ERROR;
8025   }else{
8026     v = -1;
8027   }
8028   sqlite3_db_config(db, aSetting[i].eVal, v, &v);
8029   Tcl_SetObjResult(interp, Tcl_NewIntObj(v));
8030   return TCL_OK;
8031 }
8032 /*
8033 ** tclcmd:   sqlite3_txn_state DB ?SCHEMA?
8034 **
8035 ** Invoke sqlite3_txn_state(DB,SCHEMA) and return the
8036 ** numeric value that results.  Use NULL for SCHEMA if the 3 argument
8037 ** is omitted.
8038 */
8039 static int SQLITE_TCLAPI test_sqlite3_txn_state(
8040   void *clientData,
8041   Tcl_Interp *interp,
8042   int objc,
8043   Tcl_Obj *CONST objv[]
8044 ){
8045   sqlite3 *db;
8046   const char *zSchema;
8047   int iTxn;
8048 
8049   if( objc!=2 && objc!=3 ){
8050     Tcl_WrongNumArgs(interp, 1, objv, "DB ?SCHEMA?");
8051     return TCL_ERROR;
8052   }
8053   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
8054   zSchema = objc==3 ? Tcl_GetString(objv[2]) : 0;
8055   iTxn = sqlite3_txn_state(db, zSchema);
8056   Tcl_SetObjResult(interp, Tcl_NewIntObj(iTxn));
8057   return TCL_OK;
8058 }
8059 
8060 /*
8061 ** Change the name of the main database schema from "main" to "icecube".
8062 */
8063 static int SQLITE_TCLAPI test_dbconfig_maindbname_icecube(
8064   void * clientData,
8065   Tcl_Interp *interp,
8066   int objc,
8067   Tcl_Obj *CONST objv[]
8068 ){
8069   int rc;
8070   sqlite3 *db;
8071   extern int getDbPointer(Tcl_Interp*, const char*, sqlite3**);
8072   if( objc!=2 ){
8073     Tcl_WrongNumArgs(interp, 1, objv, "DB");
8074     return TCL_ERROR;
8075   }else{
8076     if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
8077     rc = sqlite3_db_config(db, SQLITE_DBCONFIG_MAINDBNAME, "icecube");
8078     Tcl_SetObjResult(interp, Tcl_NewIntObj(rc));
8079     return TCL_OK;
8080   }
8081 }
8082 
8083 /*
8084 ** Usage: sqlite3_mmap_warm DB DBNAME
8085 */
8086 static int SQLITE_TCLAPI test_mmap_warm(
8087   void * clientData,
8088   Tcl_Interp *interp,
8089   int objc,
8090   Tcl_Obj *CONST objv[]
8091 ){
8092   extern int getDbPointer(Tcl_Interp*, const char*, sqlite3**);
8093   extern int sqlite3_mmap_warm(sqlite3 *db, const char *);
8094 
8095   if( objc!=2 && objc!=3 ){
8096     Tcl_WrongNumArgs(interp, 1, objv, "DB ?DBNAME?");
8097     return TCL_ERROR;
8098   }else{
8099     int rc;
8100     sqlite3 *db;
8101     const char *zDb = 0;
8102     if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
8103     if( objc==3 ){
8104       zDb = Tcl_GetString(objv[2]);
8105     }
8106     rc = sqlite3_mmap_warm(db, zDb);
8107     Tcl_SetObjResult(interp, Tcl_NewStringObj(sqlite3ErrName(rc), -1));
8108     return TCL_OK;
8109   }
8110 }
8111 
8112 /*
8113 ** Usage:  test_write_db DB OFFSET DATA
8114 **
8115 ** Obtain the sqlite3_file* object for the database file for the "main" db
8116 ** of handle DB. Then invoke its xWrite method to write data DATA to offset
8117 ** OFFSET.
8118 */
8119 static int SQLITE_TCLAPI test_write_db(
8120   void * clientData,
8121   Tcl_Interp *interp,
8122   int objc,
8123   Tcl_Obj *CONST objv[]
8124 ){
8125   sqlite3 *db = 0;
8126   Tcl_WideInt iOff = 0;
8127   const unsigned char *aData = 0;
8128   int nData = 0;
8129   sqlite3_file *pFile = 0;
8130   int rc;
8131 
8132   if( objc!=4 ){
8133     Tcl_WrongNumArgs(interp, 1, objv, "DB OFFSET DATA");
8134     return TCL_ERROR;
8135   }
8136   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
8137   if( Tcl_GetWideIntFromObj(interp, objv[2], &iOff) ) return TCL_ERROR;
8138   aData = Tcl_GetByteArrayFromObj(objv[3], &nData);
8139 
8140   sqlite3_file_control(db, "main", SQLITE_FCNTL_FILE_POINTER, (void*)&pFile);
8141   rc = pFile->pMethods->xWrite(pFile, aData, nData, iOff);
8142 
8143   Tcl_SetResult(interp, (char *)sqlite3ErrName(rc), TCL_VOLATILE);
8144   return TCL_OK;
8145 }
8146 
8147 /*
8148 ** Usage:  sqlite3_register_cksumvfs
8149 **
8150 */
8151 static int SQLITE_TCLAPI test_register_cksumvfs(
8152   void * clientData,
8153   Tcl_Interp *interp,
8154   int objc,
8155   Tcl_Obj *CONST objv[]
8156 ){
8157   if( objc!=1 ){
8158     Tcl_WrongNumArgs(interp, 1, objv, "");
8159     return TCL_ERROR;
8160   }else{
8161     extern int sqlite3_register_cksumvfs(const char*);
8162     int rc = sqlite3_register_cksumvfs(0);
8163     Tcl_SetResult(interp, (char *)sqlite3ErrName(rc), TCL_VOLATILE);
8164   }
8165   return TCL_OK;
8166 }
8167 
8168 /*
8169 ** Usage:  sqlite3_unregister_cksumvfs
8170 **
8171 */
8172 static int SQLITE_TCLAPI test_unregister_cksumvfs(
8173   void * clientData,
8174   Tcl_Interp *interp,
8175   int objc,
8176   Tcl_Obj *CONST objv[]
8177 ){
8178   if( objc!=1 ){
8179     Tcl_WrongNumArgs(interp, 1, objv, "");
8180     return TCL_ERROR;
8181   }else{
8182     extern int sqlite3_unregister_cksumvfs(void);
8183     int rc = sqlite3_unregister_cksumvfs();
8184     Tcl_SetResult(interp, (char *)sqlite3ErrName(rc), TCL_VOLATILE);
8185   }
8186   return TCL_OK;
8187 }
8188 
8189 /*
8190 ** Usage:  decode_hexdb TEXT
8191 **
8192 ** Example:   db deserialize [decode_hexdb $output_of_dbtotxt]
8193 **
8194 ** This routine returns a byte-array for an SQLite database file that
8195 ** is constructed from a text input which is the output of the "dbtotxt"
8196 ** utility.
8197 */
8198 static int SQLITE_TCLAPI test_decode_hexdb(
8199   void * clientData,
8200   Tcl_Interp *interp,
8201   int objc,
8202   Tcl_Obj *CONST objv[]
8203 ){
8204   const char *zIn = 0;
8205   unsigned char *a = 0;
8206   int n = 0;
8207   int lineno = 0;
8208   int i, iNext;
8209   int iOffset = 0;
8210   int j, k;
8211   int rc;
8212   unsigned int x[16];
8213   if( objc!=2 ){
8214     Tcl_WrongNumArgs(interp, 1, objv, "HEXDB");
8215     return TCL_ERROR;
8216   }
8217   zIn = Tcl_GetString(objv[1]);
8218   for(i=0; zIn[i]; i=iNext){
8219     lineno++;
8220     for(iNext=i; zIn[iNext] && zIn[iNext]!='\n'; iNext++){}
8221     if( zIn[iNext]=='\n' ) iNext++;
8222     while( zIn[i]==' ' || zIn[i]=='\t' ){ i++; }
8223     if( a==0 ){
8224       int pgsz;
8225       rc = sscanf(zIn+i, "| size %d pagesize %d", &n, &pgsz);
8226       if( rc!=2 ) continue;
8227       if( pgsz<512 || pgsz>65536 || (pgsz&(pgsz-1))!=0 ){
8228         Tcl_AppendResult(interp, "bad 'pagesize' field", (void*)0);
8229         return TCL_ERROR;
8230       }
8231       n = (n+pgsz-1)&~(pgsz-1);  /* Round n up to the next multiple of pgsz */
8232       if( n<512 ){
8233         Tcl_AppendResult(interp, "bad 'size' field", (void*)0);
8234         return TCL_ERROR;
8235       }
8236       a = malloc( n );
8237       if( a==0 ){
8238         Tcl_AppendResult(interp, "out of memory", (void*)0);
8239         return TCL_ERROR;
8240       }
8241       memset(a, 0, n);
8242       continue;
8243     }
8244     rc = sscanf(zIn+i, "| page %d offset %d", &j, &k);
8245     if( rc==2 ){
8246       iOffset = k;
8247       continue;
8248     }
8249     rc = sscanf(zIn+i,"| %d: %x %x %x %x %x %x %x %x %x %x %x %x %x %x %x %x",
8250                 &j, &x[0], &x[1], &x[2], &x[3], &x[4], &x[5], &x[6], &x[7],
8251                 &x[8], &x[9], &x[10], &x[11], &x[12], &x[13], &x[14], &x[15]);
8252     if( rc==17 ){
8253       k = iOffset+j;
8254       if( k+16<=n ){
8255         int ii;
8256         for(ii=0; ii<16; ii++) a[k+ii] = x[ii]&0xff;
8257       }
8258       continue;
8259     }
8260   }
8261   Tcl_SetObjResult(interp, Tcl_NewByteArrayObj(a, n));
8262   free(a);
8263   return TCL_OK;
8264 }
8265 
8266 /*
8267 ** Client data for the autovacuum_pages callback.
8268 */
8269 struct AutovacPageData {
8270   Tcl_Interp *interp;
8271   char *zScript;
8272 };
8273 typedef struct AutovacPageData AutovacPageData;
8274 
8275 /*
8276 ** Callback functions for sqlite3_autovacuum_pages
8277 */
8278 static unsigned int test_autovacuum_pages_callback(
8279   void *pClientData,
8280   const char *zSchema,
8281   unsigned int nFilePages,
8282   unsigned int nFreePages,
8283   unsigned int nBytePerPage
8284 ){
8285   AutovacPageData *pData = (AutovacPageData*)pClientData;
8286   Tcl_DString str;
8287   unsigned int x;
8288   char zBuf[100];
8289   Tcl_DStringInit(&str);
8290   Tcl_DStringAppend(&str, pData->zScript, -1);
8291   Tcl_DStringAppendElement(&str, zSchema);
8292   sqlite3_snprintf(sizeof(zBuf), zBuf, "%u", nFilePages);
8293   Tcl_DStringAppendElement(&str, zBuf);
8294   sqlite3_snprintf(sizeof(zBuf), zBuf, "%u", nFreePages);
8295   Tcl_DStringAppendElement(&str, zBuf);
8296   sqlite3_snprintf(sizeof(zBuf), zBuf, "%u", nBytePerPage);
8297   Tcl_DStringAppendElement(&str, zBuf);
8298   Tcl_ResetResult(pData->interp);
8299   Tcl_Eval(pData->interp, Tcl_DStringValue(&str));
8300   Tcl_DStringFree(&str);
8301   x = nFreePages;
8302   (void)Tcl_GetIntFromObj(0, Tcl_GetObjResult(pData->interp), (int*)&x);
8303   return x;
8304 }
8305 
8306 /*
8307 ** Usage:  sqlite3_autovacuum_pages DB SCRIPT
8308 **
8309 ** Add an autovacuum-pages callback to database connection DB.  The callback
8310 ** will invoke SCRIPT, after appending parameters.
8311 **
8312 ** If SCRIPT is an empty string or is omitted, then the callback is
8313 ** cancelled.
8314 */
8315 static int SQLITE_TCLAPI test_autovacuum_pages(
8316   void * clientData,
8317   Tcl_Interp *interp,
8318   int objc,
8319   Tcl_Obj *CONST objv[]
8320 ){
8321   AutovacPageData *pData;
8322   sqlite3 *db;
8323   int rc;
8324   const char *zScript;
8325   if( objc!=2 && objc!=3 ){
8326     Tcl_WrongNumArgs(interp, 1, objv, "DB ?SCRIPT?");
8327     return TCL_ERROR;
8328   }
8329   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
8330   zScript = objc==3 ? Tcl_GetString(objv[2]) : 0;
8331   if( zScript ){
8332     size_t nScript = strlen(zScript);
8333     pData = sqlite3_malloc64( sizeof(*pData) + nScript + 1 );
8334     if( pData==0 ){
8335       Tcl_AppendResult(interp, "out of memory", (void*)0);
8336       return TCL_ERROR;
8337     }
8338     pData->interp = interp;
8339     pData->zScript = (char*)&pData[1];
8340     memcpy(pData->zScript, zScript, nScript+1);
8341     rc = sqlite3_autovacuum_pages(db,test_autovacuum_pages_callback,
8342                                   pData, sqlite3_free);
8343   }else{
8344     rc = sqlite3_autovacuum_pages(db, 0, 0, 0);
8345   }
8346   if( rc ){
8347     char zBuf[1000];
8348     sqlite3_snprintf(sizeof(zBuf), zBuf,
8349        "sqlite3_autovacuum_pages() returns %d", rc);
8350     Tcl_AppendResult(interp, zBuf, (void*)0);
8351     return TCL_ERROR;
8352   }
8353   return TCL_OK;
8354 }
8355 
8356 
8357 /*
8358 ** Register commands with the TCL interpreter.
8359 */
8360 int Sqlitetest1_Init(Tcl_Interp *interp){
8361   extern int sqlite3_search_count;
8362   extern int sqlite3_found_count;
8363   extern int sqlite3_interrupt_count;
8364   extern int sqlite3_open_file_count;
8365   extern int sqlite3_sort_count;
8366   extern int sqlite3_current_time;
8367 #if SQLITE_OS_UNIX && defined(__APPLE__) && SQLITE_ENABLE_LOCKING_STYLE
8368   extern int sqlite3_hostid_num;
8369 #endif
8370   extern int sqlite3_max_blobsize;
8371   extern int SQLITE_TCLAPI sqlite3BtreeSharedCacheReport(void*,
8372                                           Tcl_Interp*,int,Tcl_Obj*CONST*);
8373   static int iZero = 0;
8374   static struct {
8375      char *zName;
8376      Tcl_CmdProc *xProc;
8377   } aCmd[] = {
8378      { "db_enter",                      (Tcl_CmdProc*)db_enter               },
8379      { "db_leave",                      (Tcl_CmdProc*)db_leave               },
8380      { "sqlite3_mprintf_int",           (Tcl_CmdProc*)sqlite3_mprintf_int    },
8381      { "sqlite3_mprintf_int64",         (Tcl_CmdProc*)sqlite3_mprintf_int64  },
8382      { "sqlite3_mprintf_long",          (Tcl_CmdProc*)sqlite3_mprintf_long   },
8383      { "sqlite3_mprintf_str",           (Tcl_CmdProc*)sqlite3_mprintf_str    },
8384      { "sqlite3_snprintf_str",          (Tcl_CmdProc*)sqlite3_snprintf_str   },
8385      { "sqlite3_mprintf_stronly",       (Tcl_CmdProc*)sqlite3_mprintf_stronly},
8386      { "sqlite3_mprintf_double",        (Tcl_CmdProc*)sqlite3_mprintf_double },
8387      { "sqlite3_mprintf_scaled",        (Tcl_CmdProc*)sqlite3_mprintf_scaled },
8388      { "sqlite3_mprintf_hexdouble",   (Tcl_CmdProc*)sqlite3_mprintf_hexdouble},
8389      { "sqlite3_mprintf_z_test",        (Tcl_CmdProc*)test_mprintf_z        },
8390      { "sqlite3_mprintf_n_test",        (Tcl_CmdProc*)test_mprintf_n        },
8391      { "sqlite3_snprintf_int",          (Tcl_CmdProc*)test_snprintf_int     },
8392      { "sqlite3_last_insert_rowid",     (Tcl_CmdProc*)test_last_rowid       },
8393      { "sqlite3_exec_printf",           (Tcl_CmdProc*)test_exec_printf      },
8394      { "sqlite3_exec_hex",              (Tcl_CmdProc*)test_exec_hex         },
8395      { "sqlite3_exec",                  (Tcl_CmdProc*)test_exec             },
8396      { "sqlite3_exec_nr",               (Tcl_CmdProc*)test_exec_nr          },
8397 #ifndef SQLITE_OMIT_GET_TABLE
8398      { "sqlite3_get_table_printf",      (Tcl_CmdProc*)test_get_table_printf },
8399 #endif
8400      { "sqlite3_close",                 (Tcl_CmdProc*)sqlite_test_close     },
8401      { "sqlite3_close_v2",              (Tcl_CmdProc*)sqlite_test_close_v2  },
8402      { "sqlite3_create_function",       (Tcl_CmdProc*)test_create_function  },
8403      { "sqlite3_create_aggregate",      (Tcl_CmdProc*)test_create_aggregate },
8404      { "sqlite3_drop_modules",          (Tcl_CmdProc*)test_drop_modules     },
8405      { "sqlite_register_test_function", (Tcl_CmdProc*)test_register_func    },
8406      { "sqlite_abort",                  (Tcl_CmdProc*)sqlite_abort          },
8407      { "sqlite_bind",                   (Tcl_CmdProc*)test_bind             },
8408      { "breakpoint",                    (Tcl_CmdProc*)test_breakpoint       },
8409      { "sqlite3_key",                   (Tcl_CmdProc*)test_key              },
8410      { "sqlite3_rekey",                 (Tcl_CmdProc*)test_rekey            },
8411      { "sqlite3_interrupt",             (Tcl_CmdProc*)test_interrupt        },
8412      { "sqlite_delete_function",        (Tcl_CmdProc*)delete_function       },
8413      { "sqlite_delete_collation",       (Tcl_CmdProc*)delete_collation      },
8414      { "sqlite3_get_autocommit",        (Tcl_CmdProc*)get_autocommit        },
8415      { "sqlite3_busy_timeout",          (Tcl_CmdProc*)test_busy_timeout     },
8416      { "printf",                        (Tcl_CmdProc*)test_printf           },
8417      { "sqlite3IoTrace",              (Tcl_CmdProc*)test_io_trace         },
8418      { "clang_sanitize_address",        (Tcl_CmdProc*)clang_sanitize_address },
8419   };
8420   static struct {
8421      char *zName;
8422      Tcl_ObjCmdProc *xProc;
8423      void *clientData;
8424   } aObjCmd[] = {
8425      { "sqlite3_db_config",             test_sqlite3_db_config, 0 },
8426      { "sqlite3_txn_state",             test_sqlite3_txn_state, 0 },
8427      { "bad_behavior",                  test_bad_behavior,  (void*)&iZero },
8428      { "register_dbstat_vtab",          test_register_dbstat_vtab  },
8429      { "sqlite3_connection_pointer",    get_sqlite_pointer, 0 },
8430      { "intarray_addr",                 test_intarray_addr, 0 },
8431      { "int64array_addr",               test_int64array_addr, 0 },
8432      { "doublearray_addr",              test_doublearray_addr, 0 },
8433      { "textarray_addr",                test_textarray_addr, 0 },
8434      { "sqlite3_bind_int",              test_bind_int,      0 },
8435      { "sqlite3_bind_zeroblob",         test_bind_zeroblob, 0 },
8436      { "sqlite3_bind_zeroblob64",       test_bind_zeroblob64, 0 },
8437      { "sqlite3_bind_int64",            test_bind_int64,    0 },
8438      { "sqlite3_bind_double",           test_bind_double,   0 },
8439      { "sqlite3_bind_null",             test_bind_null     ,0 },
8440      { "sqlite3_bind_text",             test_bind_text     ,0 },
8441      { "sqlite3_bind_text16",           test_bind_text16   ,0 },
8442      { "sqlite3_bind_blob",             test_bind_blob     ,0 },
8443 #ifndef SQLITE_OMIT_VIRTUALTABLE
8444      { "sqlite3_carray_bind",           test_carray_bind   ,0 },
8445 #endif
8446      { "sqlite3_bind_parameter_count",  test_bind_parameter_count, 0},
8447      { "sqlite3_bind_parameter_name",   test_bind_parameter_name,  0},
8448      { "sqlite3_bind_parameter_index",  test_bind_parameter_index, 0},
8449      { "sqlite3_clear_bindings",        test_clear_bindings, 0},
8450      { "sqlite3_sleep",                 test_sleep,          0},
8451      { "sqlite3_errcode",               test_errcode       ,0 },
8452      { "sqlite3_extended_errcode",      test_ex_errcode    ,0 },
8453      { "sqlite3_errmsg",                test_errmsg        ,0 },
8454      { "sqlite3_error_offset",          test_error_offset  ,0 },
8455      { "sqlite3_errmsg16",              test_errmsg16      ,0 },
8456      { "sqlite3_open",                  test_open          ,0 },
8457      { "sqlite3_open16",                test_open16        ,0 },
8458      { "sqlite3_open_v2",               test_open_v2       ,0 },
8459      { "sqlite3_complete16",            test_complete16    ,0 },
8460      { "sqlite3_normalize",             test_normalize     ,0 },
8461 
8462      { "sqlite3_prepare",               test_prepare       ,0 },
8463      { "sqlite3_prepare16",             test_prepare16     ,0 },
8464      { "sqlite3_prepare_v2",            test_prepare_v2    ,0 },
8465      { "sqlite3_prepare_v3",            test_prepare_v3    ,0 },
8466      { "sqlite3_prepare_tkt3134",       test_prepare_tkt3134, 0},
8467      { "sqlite3_prepare16_v2",          test_prepare16_v2  ,0 },
8468      { "sqlite3_finalize",              test_finalize      ,0 },
8469      { "sqlite3_stmt_status",           test_stmt_status   ,0 },
8470      { "sqlite3_reset",                 test_reset         ,0 },
8471      { "sqlite3_expired",               test_expired       ,0 },
8472      { "sqlite3_transfer_bindings",     test_transfer_bind ,0 },
8473      { "sqlite3_changes",               test_changes       ,0 },
8474      { "sqlite3_step",                  test_step          ,0 },
8475      { "sqlite3_sql",                   test_sql           ,0 },
8476      { "sqlite3_expanded_sql",          test_ex_sql        ,0 },
8477 #ifdef SQLITE_ENABLE_NORMALIZE
8478      { "sqlite3_normalized_sql",        test_norm_sql      ,0 },
8479 #endif
8480      { "sqlite3_next_stmt",             test_next_stmt     ,0 },
8481      { "sqlite3_stmt_readonly",         test_stmt_readonly ,0 },
8482      { "sqlite3_stmt_isexplain",        test_stmt_isexplain,0 },
8483      { "sqlite3_stmt_busy",             test_stmt_busy     ,0 },
8484      { "uses_stmt_journal",             uses_stmt_journal ,0 },
8485 
8486      { "sqlite3_release_memory",        test_release_memory,     0},
8487      { "sqlite3_db_release_memory",     test_db_release_memory,  0},
8488      { "sqlite3_db_cacheflush",         test_db_cacheflush,      0},
8489      { "sqlite3_system_errno",          test_system_errno,       0},
8490      { "sqlite3_db_filename",           test_db_filename,        0},
8491      { "sqlite3_db_readonly",           test_db_readonly,        0},
8492      { "sqlite3_soft_heap_limit",       test_soft_heap_limit,    0},
8493      { "sqlite3_soft_heap_limit64",     test_soft_heap_limit,    0},
8494      { "sqlite3_hard_heap_limit64",     test_hard_heap_limit,    0},
8495      { "sqlite3_thread_cleanup",        test_thread_cleanup,     0},
8496      { "sqlite3_pager_refcounts",       test_pager_refcounts,    0},
8497 
8498      { "sqlite3_load_extension",        test_load_extension,     0},
8499      { "sqlite3_enable_load_extension", test_enable_load,        0},
8500      { "sqlite3_extended_result_codes", test_extended_result_codes, 0},
8501      { "sqlite3_limit",                 test_limit,                 0},
8502      { "dbconfig_maindbname_icecube",   test_dbconfig_maindbname_icecube },
8503 
8504      { "save_prng_state",               save_prng_state,    0 },
8505      { "restore_prng_state",            restore_prng_state, 0 },
8506      { "reset_prng_state",              reset_prng_state,   0 },
8507      { "prng_seed",                     prng_seed,          0 },
8508      { "extra_schema_checks",           extra_schema_checks,    0},
8509      { "database_never_corrupt",        database_never_corrupt, 0},
8510      { "database_may_be_corrupt",       database_may_be_corrupt, 0},
8511      { "optimization_control",          optimization_control,0},
8512 #if SQLITE_OS_WIN
8513      { "lock_win32_file",               win32_file_lock,    0 },
8514      { "exists_win32_path",             win32_exists_path,  0 },
8515      { "find_win32_file",               win32_find_file,    0 },
8516      { "delete_win32_file",             win32_delete_file,  0 },
8517      { "make_win32_dir",                win32_mkdir,        0 },
8518      { "remove_win32_dir",              win32_rmdir,        0 },
8519 #endif
8520      { "tcl_objproc",                   runAsObjProc,       0 },
8521 
8522      /* sqlite3_column_*() API */
8523      { "sqlite3_column_count",          test_column_count  ,0 },
8524      { "sqlite3_data_count",            test_data_count    ,0 },
8525      { "sqlite3_column_type",           test_column_type   ,0 },
8526      { "sqlite3_column_blob",           test_column_blob   ,0 },
8527      { "sqlite3_column_double",         test_column_double ,0 },
8528      { "sqlite3_column_int64",          test_column_int64  ,0 },
8529      { "sqlite3_column_text",   test_stmt_utf8,  (void*)sqlite3_column_text },
8530      { "sqlite3_column_name",   test_stmt_utf8,  (void*)sqlite3_column_name },
8531      { "sqlite3_column_int",    test_stmt_int,   (void*)sqlite3_column_int  },
8532      { "sqlite3_column_bytes",  test_stmt_int,   (void*)sqlite3_column_bytes},
8533 #ifndef SQLITE_OMIT_DECLTYPE
8534      { "sqlite3_column_decltype",test_stmt_utf8,(void*)sqlite3_column_decltype},
8535 #endif
8536 #ifdef SQLITE_ENABLE_COLUMN_METADATA
8537 { "sqlite3_column_database_name",test_stmt_utf8,(void*)sqlite3_column_database_name},
8538 { "sqlite3_column_table_name",test_stmt_utf8,(void*)sqlite3_column_table_name},
8539 { "sqlite3_column_origin_name",test_stmt_utf8,(void*)sqlite3_column_origin_name},
8540 #endif
8541 
8542 #ifndef SQLITE_OMIT_UTF16
8543      { "sqlite3_column_bytes16", test_stmt_int, (void*)sqlite3_column_bytes16 },
8544      { "sqlite3_column_text16",  test_stmt_utf16, (void*)sqlite3_column_text16},
8545      { "sqlite3_column_name16",  test_stmt_utf16, (void*)sqlite3_column_name16},
8546      { "add_alignment_test_collations", add_alignment_test_collations, 0      },
8547 #ifndef SQLITE_OMIT_DECLTYPE
8548      { "sqlite3_column_decltype16",test_stmt_utf16,(void*)sqlite3_column_decltype16},
8549 #endif
8550 #ifdef SQLITE_ENABLE_COLUMN_METADATA
8551 {"sqlite3_column_database_name16",
8552   test_stmt_utf16, (void*)sqlite3_column_database_name16},
8553 {"sqlite3_column_table_name16", test_stmt_utf16, (void*)sqlite3_column_table_name16},
8554 {"sqlite3_column_origin_name16", test_stmt_utf16, (void*)sqlite3_column_origin_name16},
8555 #endif
8556 #endif
8557      { "sqlite3_create_collation_v2", test_create_collation_v2, 0 },
8558      { "sqlite3_global_recover",     test_global_recover, 0   },
8559      { "working_64bit_int",          working_64bit_int,   0   },
8560      { "vfs_unlink_test",            vfs_unlink_test,     0   },
8561      { "vfs_initfail_test",          vfs_initfail_test,   0   },
8562      { "vfs_unregister_all",         vfs_unregister_all,  0   },
8563      { "vfs_reregister_all",         vfs_reregister_all,  0   },
8564      { "file_control_test",          file_control_test,   0   },
8565      { "file_control_lasterrno_test", file_control_lasterrno_test,  0   },
8566      { "file_control_lockproxy_test", file_control_lockproxy_test,  0   },
8567      { "file_control_chunksize_test", file_control_chunksize_test,  0   },
8568      { "file_control_sizehint_test",  file_control_sizehint_test,   0   },
8569      { "file_control_data_version",   file_control_data_version,    0   },
8570 #if SQLITE_OS_WIN
8571      { "file_control_win32_av_retry", file_control_win32_av_retry,  0   },
8572      { "file_control_win32_get_handle", file_control_win32_get_handle, 0  },
8573      { "file_control_win32_set_handle", file_control_win32_set_handle, 0  },
8574 #endif
8575      { "file_control_persist_wal",    file_control_persist_wal,     0   },
8576      { "file_control_powersafe_overwrite",file_control_powersafe_overwrite,0},
8577      { "file_control_vfsname",        file_control_vfsname,         0   },
8578      { "file_control_reservebytes",   file_control_reservebytes,    0   },
8579      { "file_control_tempfilename",   file_control_tempfilename,    0   },
8580      { "file_control_external_reader",   file_control_external_reader,    0   },
8581      { "sqlite3_vfs_list",           vfs_list,     0   },
8582      { "sqlite3_create_function_v2", test_create_function_v2, 0 },
8583 
8584      /* Functions from os.h */
8585 #ifndef SQLITE_OMIT_UTF16
8586      { "add_test_collate",        test_collate, 0            },
8587      { "add_test_collate_needed", test_collate_needed, 0     },
8588      { "add_test_function",       test_function, 0           },
8589      { "add_test_utf16bin_collate",    test_utf16bin_collate, 0        },
8590 #endif
8591      { "sqlite3_test_errstr",     test_errstr, 0             },
8592      { "tcl_variable_type",       tcl_variable_type, 0       },
8593 #ifndef SQLITE_OMIT_SHARED_CACHE
8594      { "sqlite3_enable_shared_cache", test_enable_shared, 0  },
8595      { "sqlite3_shared_cache_report", sqlite3BtreeSharedCacheReport, 0},
8596 #endif
8597      { "sqlite3_libversion_number", test_libversion_number, 0  },
8598      { "sqlite3_table_column_metadata", test_table_column_metadata, 0  },
8599 #ifndef SQLITE_OMIT_INCRBLOB
8600      { "sqlite3_blob_reopen", test_blob_reopen, 0  },
8601 #endif
8602      { "pcache_stats",       test_pcache_stats, 0  },
8603 #ifdef SQLITE_ENABLE_UNLOCK_NOTIFY
8604      { "sqlite3_unlock_notify", test_unlock_notify, 0  },
8605 #endif
8606      { "sqlite3_wal_checkpoint",   test_wal_checkpoint, 0  },
8607      { "sqlite3_wal_checkpoint_v2",test_wal_checkpoint_v2, 0  },
8608      { "sqlite3_wal_autocheckpoint",test_wal_autocheckpoint, 0  },
8609      { "test_sqlite3_log",         test_sqlite3_log, 0  },
8610 #ifndef SQLITE_OMIT_EXPLAIN
8611      { "print_explain_query_plan", test_print_eqp, 0  },
8612 #endif
8613      { "sqlite3_test_control", test_test_control },
8614 #if SQLITE_OS_UNIX
8615      { "getrusage", test_getrusage },
8616 #endif
8617      { "load_static_extension", tclLoadStaticExtensionCmd },
8618      { "sorter_test_fakeheap", sorter_test_fakeheap },
8619      { "sorter_test_sort4_helper", sorter_test_sort4_helper },
8620 #ifdef SQLITE_USER_AUTHENTICATION
8621      { "sqlite3_user_authenticate", test_user_authenticate, 0 },
8622      { "sqlite3_user_add",          test_user_add,          0 },
8623      { "sqlite3_user_change",       test_user_change,       0 },
8624      { "sqlite3_user_delete",       test_user_delete,       0 },
8625 #endif
8626 #ifdef SQLITE_ENABLE_STMT_SCANSTATUS
8627      { "sqlite3_stmt_scanstatus",       test_stmt_scanstatus,   0 },
8628      { "sqlite3_stmt_scanstatus_reset", test_stmt_scanstatus_reset,   0 },
8629 #endif
8630 #ifdef SQLITE_ENABLE_SQLLOG
8631      { "sqlite3_config_sqllog",         test_config_sqllog,   0 },
8632 #endif
8633      { "vfs_current_time_int64",           vfsCurrentTimeInt64,   0 },
8634 #ifdef SQLITE_ENABLE_SNAPSHOT
8635      { "sqlite3_snapshot_get", test_snapshot_get, 0 },
8636      { "sqlite3_snapshot_open", test_snapshot_open, 0 },
8637      { "sqlite3_snapshot_free", test_snapshot_free, 0 },
8638      { "sqlite3_snapshot_cmp", test_snapshot_cmp, 0 },
8639      { "sqlite3_snapshot_recover", test_snapshot_recover, 0 },
8640      { "sqlite3_snapshot_get_blob", test_snapshot_get_blob, 0 },
8641      { "sqlite3_snapshot_open_blob", test_snapshot_open_blob, 0 },
8642      { "sqlite3_snapshot_cmp_blob", test_snapshot_cmp_blob, 0 },
8643 #endif
8644      { "sqlite3_delete_database", test_delete_database,    0 },
8645      { "atomic_batch_write",      test_atomic_batch_write, 0 },
8646      { "sqlite3_mmap_warm",       test_mmap_warm,          0 },
8647      { "sqlite3_config_sorterref", test_config_sorterref,   0 },
8648      { "sqlite3_autovacuum_pages", test_autovacuum_pages,   0 },
8649      { "decode_hexdb",             test_decode_hexdb,       0 },
8650      { "test_write_db",            test_write_db,           0 },
8651      { "sqlite3_register_cksumvfs", test_register_cksumvfs,  0 },
8652      { "sqlite3_unregister_cksumvfs", test_unregister_cksumvfs,  0 },
8653   };
8654   static int bitmask_size = sizeof(Bitmask)*8;
8655   static int longdouble_size = sizeof(LONGDOUBLE_TYPE);
8656   int i;
8657   extern int sqlite3_sync_count, sqlite3_fullsync_count;
8658   extern int sqlite3_opentemp_count;
8659   extern int sqlite3_like_count;
8660   extern int sqlite3_xferopt_count;
8661   extern int sqlite3_pager_readdb_count;
8662   extern int sqlite3_pager_writedb_count;
8663   extern int sqlite3_pager_writej_count;
8664 #if SQLITE_OS_WIN
8665   extern LONG volatile sqlite3_os_type;
8666 #endif
8667 #ifdef SQLITE_DEBUG
8668   extern u32 sqlite3WhereTrace;
8669   extern int sqlite3OSTrace;
8670   extern int sqlite3WalTrace;
8671 #endif
8672 #ifdef SQLITE_TEST
8673 #ifdef SQLITE_ENABLE_FTS3
8674   extern int sqlite3_fts3_enable_parentheses;
8675 #endif
8676 #endif
8677 
8678   for(i=0; i<sizeof(aCmd)/sizeof(aCmd[0]); i++){
8679     Tcl_CreateCommand(interp, aCmd[i].zName, aCmd[i].xProc, 0, 0);
8680   }
8681   for(i=0; i<sizeof(aObjCmd)/sizeof(aObjCmd[0]); i++){
8682     Tcl_CreateObjCommand(interp, aObjCmd[i].zName,
8683         aObjCmd[i].xProc, aObjCmd[i].clientData, 0);
8684   }
8685   Tcl_LinkVar(interp, "sqlite_search_count",
8686       (char*)&sqlite3_search_count, TCL_LINK_INT);
8687   Tcl_LinkVar(interp, "sqlite_found_count",
8688       (char*)&sqlite3_found_count, TCL_LINK_INT);
8689   Tcl_LinkVar(interp, "sqlite_sort_count",
8690       (char*)&sqlite3_sort_count, TCL_LINK_INT);
8691   Tcl_LinkVar(interp, "sqlite3_max_blobsize",
8692       (char*)&sqlite3_max_blobsize, TCL_LINK_INT);
8693   Tcl_LinkVar(interp, "sqlite_like_count",
8694       (char*)&sqlite3_like_count, TCL_LINK_INT);
8695   Tcl_LinkVar(interp, "sqlite_interrupt_count",
8696       (char*)&sqlite3_interrupt_count, TCL_LINK_INT);
8697   Tcl_LinkVar(interp, "sqlite_open_file_count",
8698       (char*)&sqlite3_open_file_count, TCL_LINK_INT);
8699   Tcl_LinkVar(interp, "sqlite_current_time",
8700       (char*)&sqlite3_current_time, TCL_LINK_INT);
8701 #if SQLITE_OS_UNIX && defined(__APPLE__) && SQLITE_ENABLE_LOCKING_STYLE
8702   Tcl_LinkVar(interp, "sqlite_hostid_num",
8703       (char*)&sqlite3_hostid_num, TCL_LINK_INT);
8704 #endif
8705   Tcl_LinkVar(interp, "sqlite3_xferopt_count",
8706       (char*)&sqlite3_xferopt_count, TCL_LINK_INT);
8707   Tcl_LinkVar(interp, "sqlite3_pager_readdb_count",
8708       (char*)&sqlite3_pager_readdb_count, TCL_LINK_INT);
8709   Tcl_LinkVar(interp, "sqlite3_pager_writedb_count",
8710       (char*)&sqlite3_pager_writedb_count, TCL_LINK_INT);
8711   Tcl_LinkVar(interp, "sqlite3_pager_writej_count",
8712       (char*)&sqlite3_pager_writej_count, TCL_LINK_INT);
8713 #ifndef SQLITE_OMIT_UTF16
8714   Tcl_LinkVar(interp, "unaligned_string_counter",
8715       (char*)&unaligned_string_counter, TCL_LINK_INT);
8716 #endif
8717 #ifndef SQLITE_OMIT_UTF16
8718   Tcl_LinkVar(interp, "sqlite_last_needed_collation",
8719       (char*)&pzNeededCollation, TCL_LINK_STRING|TCL_LINK_READ_ONLY);
8720 #endif
8721 #if SQLITE_OS_WIN
8722   Tcl_LinkVar(interp, "sqlite_os_type",
8723       (char*)&sqlite3_os_type, TCL_LINK_LONG);
8724 #endif
8725 #ifdef SQLITE_TEST
8726   {
8727     static const char *query_plan = "*** OBSOLETE VARIABLE ***";
8728     Tcl_LinkVar(interp, "sqlite_query_plan",
8729        (char*)&query_plan, TCL_LINK_STRING|TCL_LINK_READ_ONLY);
8730   }
8731 #endif
8732 #ifdef SQLITE_DEBUG
8733   Tcl_LinkVar(interp, "sqlite_where_trace",
8734       (char*)&sqlite3WhereTrace, TCL_LINK_INT);
8735   Tcl_LinkVar(interp, "sqlite_os_trace",
8736       (char*)&sqlite3OSTrace, TCL_LINK_INT);
8737 #ifndef SQLITE_OMIT_WAL
8738   Tcl_LinkVar(interp, "sqlite_wal_trace",
8739       (char*)&sqlite3WalTrace, TCL_LINK_INT);
8740 #endif
8741 #endif
8742 #ifndef SQLITE_OMIT_DISKIO
8743   Tcl_LinkVar(interp, "sqlite_opentemp_count",
8744       (char*)&sqlite3_opentemp_count, TCL_LINK_INT);
8745 #endif
8746   Tcl_LinkVar(interp, "sqlite_static_bind_value",
8747       (char*)&sqlite_static_bind_value, TCL_LINK_STRING);
8748   Tcl_LinkVar(interp, "sqlite_static_bind_nbyte",
8749       (char*)&sqlite_static_bind_nbyte, TCL_LINK_INT);
8750   Tcl_LinkVar(interp, "sqlite_temp_directory",
8751       (char*)&sqlite3_temp_directory, TCL_LINK_STRING);
8752   Tcl_LinkVar(interp, "sqlite_data_directory",
8753       (char*)&sqlite3_data_directory, TCL_LINK_STRING);
8754   Tcl_LinkVar(interp, "bitmask_size",
8755       (char*)&bitmask_size, TCL_LINK_INT|TCL_LINK_READ_ONLY);
8756   Tcl_LinkVar(interp, "longdouble_size",
8757       (char*)&longdouble_size, TCL_LINK_INT|TCL_LINK_READ_ONLY);
8758   Tcl_LinkVar(interp, "sqlite_sync_count",
8759       (char*)&sqlite3_sync_count, TCL_LINK_INT);
8760   Tcl_LinkVar(interp, "sqlite_fullsync_count",
8761       (char*)&sqlite3_fullsync_count, TCL_LINK_INT);
8762 #if defined(SQLITE_ENABLE_SELECTTRACE)
8763   Tcl_LinkVar(interp, "sqlite3_unsupported_selecttrace",
8764       (char*)&sqlite3SelectTrace, TCL_LINK_INT);
8765 #endif
8766 #if defined(SQLITE_ENABLE_FTS3) && defined(SQLITE_TEST)
8767   Tcl_LinkVar(interp, "sqlite_fts3_enable_parentheses",
8768       (char*)&sqlite3_fts3_enable_parentheses, TCL_LINK_INT);
8769 #endif
8770   return TCL_OK;
8771 }
8772