xref: /sqlite-3.40.0/src/test1.c (revision 7ac2ee0a)
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 #if defined(SQLITE_HAS_CODEC) && !defined(SQLITE_OMIT_CODEC_FROM_TCL)
659   sqlite3 *db;
660   const char *zKey;
661   int nKey;
662   if( argc!=3 ){
663     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
664        " FILENAME\"", 0);
665     return TCL_ERROR;
666   }
667   if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
668   zKey = argv[2];
669   nKey = strlen(zKey);
670   sqlite3_key(db, zKey, nKey);
671 #endif
672   return TCL_OK;
673 }
674 
675 /*
676 ** Usage:  sqlite3_rekey DB KEY
677 **
678 ** Change the codec key.
679 */
680 static int SQLITE_TCLAPI test_rekey(
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 #ifdef SQLITE_HAS_CODEC
687   sqlite3 *db;
688   const char *zKey;
689   int nKey;
690   if( argc!=3 ){
691     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
692        " FILENAME\"", 0);
693     return TCL_ERROR;
694   }
695   if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
696   zKey = argv[2];
697   nKey = strlen(zKey);
698   sqlite3_rekey(db, zKey, nKey);
699 #endif
700   return TCL_OK;
701 }
702 
703 /*
704 ** Usage:  sqlite3_close DB
705 **
706 ** Closes the database opened by sqlite3_open.
707 */
708 static int SQLITE_TCLAPI sqlite_test_close(
709   void *NotUsed,
710   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
711   int argc,              /* Number of arguments */
712   char **argv            /* Text of each argument */
713 ){
714   sqlite3 *db;
715   int rc;
716   if( argc!=2 ){
717     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
718        " FILENAME\"", 0);
719     return TCL_ERROR;
720   }
721   if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
722   rc = sqlite3_close(db);
723   Tcl_SetResult(interp, (char *)t1ErrorName(rc), TCL_STATIC);
724   return TCL_OK;
725 }
726 
727 /*
728 ** Usage:  sqlite3_close_v2 DB
729 **
730 ** Closes the database opened by sqlite3_open.
731 */
732 static int SQLITE_TCLAPI sqlite_test_close_v2(
733   void *NotUsed,
734   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
735   int argc,              /* Number of arguments */
736   char **argv            /* Text of each argument */
737 ){
738   sqlite3 *db;
739   int rc;
740   if( argc!=2 ){
741     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
742        " FILENAME\"", 0);
743     return TCL_ERROR;
744   }
745   if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
746   rc = sqlite3_close_v2(db);
747   Tcl_SetResult(interp, (char *)t1ErrorName(rc), TCL_STATIC);
748   return TCL_OK;
749 }
750 
751 /*
752 ** Implementation of the x_coalesce() function.
753 ** Return the first argument non-NULL argument.
754 */
755 static void t1_ifnullFunc(
756   sqlite3_context *context,
757   int argc,
758   sqlite3_value **argv
759 ){
760   int i;
761   for(i=0; i<argc; i++){
762     if( SQLITE_NULL!=sqlite3_value_type(argv[i]) ){
763       int n = sqlite3_value_bytes(argv[i]);
764       sqlite3_result_text(context, (char*)sqlite3_value_text(argv[i]),
765           n, SQLITE_TRANSIENT);
766       break;
767     }
768   }
769 }
770 
771 /*
772 ** These are test functions.    hex8() interprets its argument as
773 ** UTF8 and returns a hex encoding.  hex16le() interprets its argument
774 ** as UTF16le and returns a hex encoding.
775 */
776 static void hex8Func(sqlite3_context *p, int argc, sqlite3_value **argv){
777   const unsigned char *z;
778   int i;
779   char zBuf[200];
780   z = sqlite3_value_text(argv[0]);
781   for(i=0; i<sizeof(zBuf)/2 - 2 && z[i]; i++){
782     sqlite3_snprintf(sizeof(zBuf)-i*2, &zBuf[i*2], "%02x", z[i]);
783   }
784   zBuf[i*2] = 0;
785   sqlite3_result_text(p, (char*)zBuf, -1, SQLITE_TRANSIENT);
786 }
787 #ifndef SQLITE_OMIT_UTF16
788 static void hex16Func(sqlite3_context *p, int argc, sqlite3_value **argv){
789   const unsigned short int *z;
790   int i;
791   char zBuf[400];
792   z = sqlite3_value_text16(argv[0]);
793   for(i=0; i<sizeof(zBuf)/4 - 4 && z[i]; i++){
794     sqlite3_snprintf(sizeof(zBuf)-i*4, &zBuf[i*4],"%04x", z[i]&0xff);
795   }
796   zBuf[i*4] = 0;
797   sqlite3_result_text(p, (char*)zBuf, -1, SQLITE_TRANSIENT);
798 }
799 #endif
800 
801 /*
802 ** A structure into which to accumulate text.
803 */
804 struct dstr {
805   int nAlloc;  /* Space allocated */
806   int nUsed;   /* Space used */
807   char *z;     /* The space */
808 };
809 
810 /*
811 ** Append text to a dstr
812 */
813 static void dstrAppend(struct dstr *p, const char *z, int divider){
814   int n = (int)strlen(z);
815   if( p->nUsed + n + 2 > p->nAlloc ){
816     char *zNew;
817     p->nAlloc = p->nAlloc*2 + n + 200;
818     zNew = sqlite3_realloc(p->z, p->nAlloc);
819     if( zNew==0 ){
820       sqlite3_free(p->z);
821       memset(p, 0, sizeof(*p));
822       return;
823     }
824     p->z = zNew;
825   }
826   if( divider && p->nUsed>0 ){
827     p->z[p->nUsed++] = divider;
828   }
829   memcpy(&p->z[p->nUsed], z, n+1);
830   p->nUsed += n;
831 }
832 
833 /*
834 ** Invoked for each callback from sqlite3ExecFunc
835 */
836 static int execFuncCallback(void *pData, int argc, char **argv, char **NotUsed){
837   struct dstr *p = (struct dstr*)pData;
838   int i;
839   for(i=0; i<argc; i++){
840     if( argv[i]==0 ){
841       dstrAppend(p, "NULL", ' ');
842     }else{
843       dstrAppend(p, argv[i], ' ');
844     }
845   }
846   return 0;
847 }
848 
849 /*
850 ** Implementation of the x_sqlite_exec() function.  This function takes
851 ** a single argument and attempts to execute that argument as SQL code.
852 ** This is illegal and should set the SQLITE_MISUSE flag on the database.
853 **
854 ** 2004-Jan-07:  We have changed this to make it legal to call sqlite3_exec()
855 ** from within a function call.
856 **
857 ** This routine simulates the effect of having two threads attempt to
858 ** use the same database at the same time.
859 */
860 static void sqlite3ExecFunc(
861   sqlite3_context *context,
862   int argc,
863   sqlite3_value **argv
864 ){
865   struct dstr x;
866   memset(&x, 0, sizeof(x));
867   (void)sqlite3_exec((sqlite3*)sqlite3_user_data(context),
868       (char*)sqlite3_value_text(argv[0]),
869       execFuncCallback, &x, 0);
870   sqlite3_result_text(context, x.z, x.nUsed, SQLITE_TRANSIENT);
871   sqlite3_free(x.z);
872 }
873 
874 /*
875 ** Implementation of tkt2213func(), a scalar function that takes exactly
876 ** one argument. It has two interesting features:
877 **
878 ** * It calls sqlite3_value_text() 3 times on the argument sqlite3_value*.
879 **   If the three pointers returned are not the same an SQL error is raised.
880 **
881 ** * Otherwise it returns a copy of the text representation of its
882 **   argument in such a way as the VDBE representation is a Mem* cell
883 **   with the MEM_Term flag clear.
884 **
885 ** Ticket #2213 can therefore be tested by evaluating the following
886 ** SQL expression:
887 **
888 **   tkt2213func(tkt2213func('a string'));
889 */
890 static void tkt2213Function(
891   sqlite3_context *context,
892   int argc,
893   sqlite3_value **argv
894 ){
895   int nText;
896   unsigned char const *zText1;
897   unsigned char const *zText2;
898   unsigned char const *zText3;
899 
900   nText = sqlite3_value_bytes(argv[0]);
901   zText1 = sqlite3_value_text(argv[0]);
902   zText2 = sqlite3_value_text(argv[0]);
903   zText3 = sqlite3_value_text(argv[0]);
904 
905   if( zText1!=zText2 || zText2!=zText3 ){
906     sqlite3_result_error(context, "tkt2213 is not fixed", -1);
907   }else{
908     char *zCopy = (char *)sqlite3_malloc(nText);
909     memcpy(zCopy, zText1, nText);
910     sqlite3_result_text(context, zCopy, nText, sqlite3_free);
911   }
912 }
913 
914 /*
915 ** The following SQL function takes 4 arguments.  The 2nd and
916 ** 4th argument must be one of these strings:  'text', 'text16',
917 ** or 'blob' corresponding to API functions
918 **
919 **      sqlite3_value_text()
920 **      sqlite3_value_text16()
921 **      sqlite3_value_blob()
922 **
923 ** The third argument is a string, either 'bytes' or 'bytes16' or 'noop',
924 ** corresponding to APIs:
925 **
926 **      sqlite3_value_bytes()
927 **      sqlite3_value_bytes16()
928 **      noop
929 **
930 ** The APIs designated by the 2nd through 4th arguments are applied
931 ** to the first argument in order.  If the pointers returned by the
932 ** second and fourth are different, this routine returns 1.  Otherwise,
933 ** this routine returns 0.
934 **
935 ** This function is used to test to see when returned pointers from
936 ** the _text(), _text16() and _blob() APIs become invalidated.
937 */
938 static void ptrChngFunction(
939   sqlite3_context *context,
940   int argc,
941   sqlite3_value **argv
942 ){
943   const void *p1, *p2;
944   const char *zCmd;
945   if( argc!=4 ) return;
946   zCmd = (const char*)sqlite3_value_text(argv[1]);
947   if( zCmd==0 ) return;
948   if( strcmp(zCmd,"text")==0 ){
949     p1 = (const void*)sqlite3_value_text(argv[0]);
950 #ifndef SQLITE_OMIT_UTF16
951   }else if( strcmp(zCmd, "text16")==0 ){
952     p1 = (const void*)sqlite3_value_text16(argv[0]);
953 #endif
954   }else if( strcmp(zCmd, "blob")==0 ){
955     p1 = (const void*)sqlite3_value_blob(argv[0]);
956   }else{
957     return;
958   }
959   zCmd = (const char*)sqlite3_value_text(argv[2]);
960   if( zCmd==0 ) return;
961   if( strcmp(zCmd,"bytes")==0 ){
962     sqlite3_value_bytes(argv[0]);
963 #ifndef SQLITE_OMIT_UTF16
964   }else if( strcmp(zCmd, "bytes16")==0 ){
965     sqlite3_value_bytes16(argv[0]);
966 #endif
967   }else if( strcmp(zCmd, "noop")==0 ){
968     /* do nothing */
969   }else{
970     return;
971   }
972   zCmd = (const char*)sqlite3_value_text(argv[3]);
973   if( zCmd==0 ) return;
974   if( strcmp(zCmd,"text")==0 ){
975     p2 = (const void*)sqlite3_value_text(argv[0]);
976 #ifndef SQLITE_OMIT_UTF16
977   }else if( strcmp(zCmd, "text16")==0 ){
978     p2 = (const void*)sqlite3_value_text16(argv[0]);
979 #endif
980   }else if( strcmp(zCmd, "blob")==0 ){
981     p2 = (const void*)sqlite3_value_blob(argv[0]);
982   }else{
983     return;
984   }
985   sqlite3_result_int(context, p1!=p2);
986 }
987 
988 /*
989 ** This SQL function returns a different answer each time it is called, even if
990 ** the arguments are the same.
991 */
992 static void nondeterministicFunction(
993   sqlite3_context *context,
994   int argc,
995   sqlite3_value **argv
996 ){
997   static int cnt = 0;
998   sqlite3_result_int(context, cnt++);
999 }
1000 
1001 /*
1002 ** Usage:  sqlite3_create_function DB
1003 **
1004 ** Call the sqlite3_create_function API on the given database in order
1005 ** to create a function named "x_coalesce".  This function does the same thing
1006 ** as the "coalesce" function.  This function also registers an SQL function
1007 ** named "x_sqlite_exec" that invokes sqlite3_exec().  Invoking sqlite3_exec()
1008 ** in this way is illegal recursion and should raise an SQLITE_MISUSE error.
1009 ** The effect is similar to trying to use the same database connection from
1010 ** two threads at the same time.
1011 **
1012 ** The original motivation for this routine was to be able to call the
1013 ** sqlite3_create_function function while a query is in progress in order
1014 ** to test the SQLITE_MISUSE detection logic.
1015 */
1016 static int SQLITE_TCLAPI test_create_function(
1017   void *NotUsed,
1018   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
1019   int argc,              /* Number of arguments */
1020   char **argv            /* Text of each argument */
1021 ){
1022   int rc;
1023   sqlite3 *db;
1024 
1025   if( argc!=2 ){
1026     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
1027        " DB\"", 0);
1028     return TCL_ERROR;
1029   }
1030   if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
1031   rc = sqlite3_create_function(db, "x_coalesce", -1, SQLITE_UTF8, 0,
1032         t1_ifnullFunc, 0, 0);
1033   if( rc==SQLITE_OK ){
1034     rc = sqlite3_create_function(db, "hex8", 1, SQLITE_UTF8 | SQLITE_DETERMINISTIC,
1035           0, hex8Func, 0, 0);
1036   }
1037 #ifndef SQLITE_OMIT_UTF16
1038   if( rc==SQLITE_OK ){
1039     rc = sqlite3_create_function(db, "hex16", 1, SQLITE_UTF16 | SQLITE_DETERMINISTIC,
1040           0, hex16Func, 0, 0);
1041   }
1042 #endif
1043   if( rc==SQLITE_OK ){
1044     rc = sqlite3_create_function(db, "tkt2213func", 1, SQLITE_ANY, 0,
1045           tkt2213Function, 0, 0);
1046   }
1047   if( rc==SQLITE_OK ){
1048     rc = sqlite3_create_function(db, "pointer_change", 4, SQLITE_ANY, 0,
1049           ptrChngFunction, 0, 0);
1050   }
1051 
1052   /* Functions counter1() and counter2() have the same implementation - they
1053   ** both return an ascending integer with each call.  But counter1() is marked
1054   ** as non-deterministic and counter2() is marked as deterministic.
1055   */
1056   if( rc==SQLITE_OK ){
1057     rc = sqlite3_create_function(db, "counter1", -1, SQLITE_UTF8,
1058           0, nondeterministicFunction, 0, 0);
1059   }
1060   if( rc==SQLITE_OK ){
1061     rc = sqlite3_create_function(db, "counter2", -1, SQLITE_UTF8|SQLITE_DETERMINISTIC,
1062           0, nondeterministicFunction, 0, 0);
1063   }
1064 
1065 #ifndef SQLITE_OMIT_UTF16
1066   /* Use the sqlite3_create_function16() API here. Mainly for fun, but also
1067   ** because it is not tested anywhere else. */
1068   if( rc==SQLITE_OK ){
1069     const void *zUtf16;
1070     sqlite3_value *pVal;
1071     sqlite3_mutex_enter(db->mutex);
1072     pVal = sqlite3ValueNew(db);
1073     sqlite3ValueSetStr(pVal, -1, "x_sqlite_exec", SQLITE_UTF8, SQLITE_STATIC);
1074     zUtf16 = sqlite3ValueText(pVal, SQLITE_UTF16NATIVE);
1075     if( db->mallocFailed ){
1076       rc = SQLITE_NOMEM;
1077     }else{
1078       rc = sqlite3_create_function16(db, zUtf16,
1079                 1, SQLITE_UTF16, db, sqlite3ExecFunc, 0, 0);
1080     }
1081     sqlite3ValueFree(pVal);
1082     sqlite3_mutex_leave(db->mutex);
1083   }
1084 #endif
1085 
1086   if( sqlite3TestErrCode(interp, db, rc) ) return TCL_ERROR;
1087   Tcl_SetResult(interp, (char *)t1ErrorName(rc), 0);
1088   return TCL_OK;
1089 }
1090 
1091 /*
1092 ** Routines to implement the x_count() aggregate function.
1093 **
1094 ** x_count() counts the number of non-null arguments.  But there are
1095 ** some twists for testing purposes.
1096 **
1097 ** If the argument to x_count() is 40 then a UTF-8 error is reported
1098 ** on the step function.  If x_count(41) is seen, then a UTF-16 error
1099 ** is reported on the step function.  If the total count is 42, then
1100 ** a UTF-8 error is reported on the finalize function.
1101 */
1102 typedef struct t1CountCtx t1CountCtx;
1103 struct t1CountCtx {
1104   int n;
1105 };
1106 static void t1CountStep(
1107   sqlite3_context *context,
1108   int argc,
1109   sqlite3_value **argv
1110 ){
1111   t1CountCtx *p;
1112   p = sqlite3_aggregate_context(context, sizeof(*p));
1113   if( (argc==0 || SQLITE_NULL!=sqlite3_value_type(argv[0]) ) && p ){
1114     p->n++;
1115   }
1116   if( argc>0 ){
1117     int v = sqlite3_value_int(argv[0]);
1118     if( v==40 ){
1119       sqlite3_result_error(context, "value of 40 handed to x_count", -1);
1120 #ifndef SQLITE_OMIT_UTF16
1121     }else if( v==41 ){
1122       const char zUtf16ErrMsg[] = { 0, 0x61, 0, 0x62, 0, 0x63, 0, 0, 0};
1123       sqlite3_result_error16(context, &zUtf16ErrMsg[1-SQLITE_BIGENDIAN], -1);
1124 #endif
1125     }
1126   }
1127 }
1128 static void t1CountFinalize(sqlite3_context *context){
1129   t1CountCtx *p;
1130   p = sqlite3_aggregate_context(context, sizeof(*p));
1131   if( p ){
1132     if( p->n==42 ){
1133       sqlite3_result_error(context, "x_count totals to 42", -1);
1134     }else{
1135       sqlite3_result_int(context, p ? p->n : 0);
1136     }
1137   }
1138 }
1139 
1140 #ifndef SQLITE_OMIT_DEPRECATED
1141 static void legacyCountStep(
1142   sqlite3_context *context,
1143   int argc,
1144   sqlite3_value **argv
1145 ){
1146   /* no-op */
1147 }
1148 
1149 static void legacyCountFinalize(sqlite3_context *context){
1150   sqlite3_result_int(context, sqlite3_aggregate_count(context));
1151 }
1152 #endif
1153 
1154 /*
1155 ** Usage:  sqlite3_create_aggregate DB
1156 **
1157 ** Call the sqlite3_create_function API on the given database in order
1158 ** to create a function named "x_count".  This function is similar
1159 ** to the built-in count() function, with a few special quirks
1160 ** for testing the sqlite3_result_error() APIs.
1161 **
1162 ** The original motivation for this routine was to be able to call the
1163 ** sqlite3_create_aggregate function while a query is in progress in order
1164 ** to test the SQLITE_MISUSE detection logic.  See misuse.test.
1165 **
1166 ** This routine was later extended to test the use of sqlite3_result_error()
1167 ** within aggregate functions.
1168 **
1169 ** Later: It is now also extended to register the aggregate function
1170 ** "legacy_count()" with the supplied database handle. This is used
1171 ** to test the deprecated sqlite3_aggregate_count() API.
1172 */
1173 static int SQLITE_TCLAPI test_create_aggregate(
1174   void *NotUsed,
1175   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
1176   int argc,              /* Number of arguments */
1177   char **argv            /* Text of each argument */
1178 ){
1179   sqlite3 *db;
1180   int rc;
1181   if( argc!=2 ){
1182     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
1183        " FILENAME\"", 0);
1184     return TCL_ERROR;
1185   }
1186   if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
1187   rc = sqlite3_create_function(db, "x_count", 0, SQLITE_UTF8, 0, 0,
1188       t1CountStep,t1CountFinalize);
1189   if( rc==SQLITE_OK ){
1190     rc = sqlite3_create_function(db, "x_count", 1, SQLITE_UTF8, 0, 0,
1191         t1CountStep,t1CountFinalize);
1192   }
1193 #ifndef SQLITE_OMIT_DEPRECATED
1194   if( rc==SQLITE_OK ){
1195     rc = sqlite3_create_function(db, "legacy_count", 0, SQLITE_ANY, 0, 0,
1196         legacyCountStep, legacyCountFinalize
1197     );
1198   }
1199 #endif
1200   if( sqlite3TestErrCode(interp, db, rc) ) return TCL_ERROR;
1201   Tcl_SetResult(interp, (char *)t1ErrorName(rc), 0);
1202   return TCL_OK;
1203 }
1204 
1205 
1206 /*
1207 ** Usage:  printf TEXT
1208 **
1209 ** Send output to printf.  Use this rather than puts to merge the output
1210 ** in the correct sequence with debugging printfs inserted into C code.
1211 ** Puts uses a separate buffer and debugging statements will be out of
1212 ** sequence if it is used.
1213 */
1214 static int SQLITE_TCLAPI test_printf(
1215   void *NotUsed,
1216   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
1217   int argc,              /* Number of arguments */
1218   char **argv            /* Text of each argument */
1219 ){
1220   if( argc!=2 ){
1221     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
1222        " TEXT\"", 0);
1223     return TCL_ERROR;
1224   }
1225   printf("%s\n", argv[1]);
1226   return TCL_OK;
1227 }
1228 
1229 
1230 
1231 /*
1232 ** Usage:  sqlite3_mprintf_int FORMAT INTEGER INTEGER INTEGER
1233 **
1234 ** Call mprintf with three integer arguments
1235 */
1236 static int SQLITE_TCLAPI sqlite3_mprintf_int(
1237   void *NotUsed,
1238   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
1239   int argc,              /* Number of arguments */
1240   char **argv            /* Text of each argument */
1241 ){
1242   int a[3], i;
1243   char *z;
1244   if( argc!=5 ){
1245     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
1246        " FORMAT INT INT INT\"", 0);
1247     return TCL_ERROR;
1248   }
1249   for(i=2; i<5; i++){
1250     if( Tcl_GetInt(interp, argv[i], &a[i-2]) ) return TCL_ERROR;
1251   }
1252   z = sqlite3_mprintf(argv[1], a[0], a[1], a[2]);
1253   Tcl_AppendResult(interp, z, 0);
1254   sqlite3_free(z);
1255   return TCL_OK;
1256 }
1257 
1258 /*
1259 ** Usage:  sqlite3_mprintf_int64 FORMAT INTEGER INTEGER INTEGER
1260 **
1261 ** Call mprintf with three 64-bit integer arguments
1262 */
1263 static int SQLITE_TCLAPI sqlite3_mprintf_int64(
1264   void *NotUsed,
1265   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
1266   int argc,              /* Number of arguments */
1267   char **argv            /* Text of each argument */
1268 ){
1269   int i;
1270   sqlite_int64 a[3];
1271   char *z;
1272   if( argc!=5 ){
1273     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
1274        " FORMAT INT INT INT\"", 0);
1275     return TCL_ERROR;
1276   }
1277   for(i=2; i<5; i++){
1278     if( sqlite3Atoi64(argv[i], &a[i-2], sqlite3Strlen30(argv[i]), SQLITE_UTF8) ){
1279       Tcl_AppendResult(interp, "argument is not a valid 64-bit integer", 0);
1280       return TCL_ERROR;
1281     }
1282   }
1283   z = sqlite3_mprintf(argv[1], a[0], a[1], a[2]);
1284   Tcl_AppendResult(interp, z, 0);
1285   sqlite3_free(z);
1286   return TCL_OK;
1287 }
1288 
1289 /*
1290 ** Usage:  sqlite3_mprintf_long FORMAT INTEGER INTEGER INTEGER
1291 **
1292 ** Call mprintf with three long integer arguments.   This might be the
1293 ** same as sqlite3_mprintf_int or sqlite3_mprintf_int64, depending on
1294 ** platform.
1295 */
1296 static int SQLITE_TCLAPI sqlite3_mprintf_long(
1297   void *NotUsed,
1298   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
1299   int argc,              /* Number of arguments */
1300   char **argv            /* Text of each argument */
1301 ){
1302   int i;
1303   long int a[3];
1304   int b[3];
1305   char *z;
1306   if( argc!=5 ){
1307     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
1308        " FORMAT INT INT INT\"", 0);
1309     return TCL_ERROR;
1310   }
1311   for(i=2; i<5; i++){
1312     if( Tcl_GetInt(interp, argv[i], &b[i-2]) ) return TCL_ERROR;
1313     a[i-2] = (long int)b[i-2];
1314     a[i-2] &= (((u64)1)<<(sizeof(int)*8))-1;
1315   }
1316   z = sqlite3_mprintf(argv[1], a[0], a[1], a[2]);
1317   Tcl_AppendResult(interp, z, 0);
1318   sqlite3_free(z);
1319   return TCL_OK;
1320 }
1321 
1322 /*
1323 ** Usage:  sqlite3_mprintf_str FORMAT INTEGER INTEGER STRING
1324 **
1325 ** Call mprintf with two integer arguments and one string argument
1326 */
1327 static int SQLITE_TCLAPI sqlite3_mprintf_str(
1328   void *NotUsed,
1329   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
1330   int argc,              /* Number of arguments */
1331   char **argv            /* Text of each argument */
1332 ){
1333   int a[3], i;
1334   char *z;
1335   if( argc<4 || argc>5 ){
1336     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
1337        " FORMAT INT INT ?STRING?\"", 0);
1338     return TCL_ERROR;
1339   }
1340   for(i=2; i<4; i++){
1341     if( Tcl_GetInt(interp, argv[i], &a[i-2]) ) return TCL_ERROR;
1342   }
1343   z = sqlite3_mprintf(argv[1], a[0], a[1], argc>4 ? argv[4] : NULL);
1344   Tcl_AppendResult(interp, z, 0);
1345   sqlite3_free(z);
1346   return TCL_OK;
1347 }
1348 
1349 /*
1350 ** Usage:  sqlite3_snprintf_str INTEGER FORMAT INTEGER INTEGER STRING
1351 **
1352 ** Call mprintf with two integer arguments and one string argument
1353 */
1354 static int SQLITE_TCLAPI sqlite3_snprintf_str(
1355   void *NotUsed,
1356   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
1357   int argc,              /* Number of arguments */
1358   char **argv            /* Text of each argument */
1359 ){
1360   int a[3], i;
1361   int n;
1362   char *z;
1363   if( argc<5 || argc>6 ){
1364     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
1365        " INT FORMAT INT INT ?STRING?\"", 0);
1366     return TCL_ERROR;
1367   }
1368   if( Tcl_GetInt(interp, argv[1], &n) ) return TCL_ERROR;
1369   if( n<0 ){
1370     Tcl_AppendResult(interp, "N must be non-negative", 0);
1371     return TCL_ERROR;
1372   }
1373   for(i=3; i<5; i++){
1374     if( Tcl_GetInt(interp, argv[i], &a[i-3]) ) return TCL_ERROR;
1375   }
1376   z = sqlite3_malloc( n+1 );
1377   sqlite3_snprintf(n, z, argv[2], a[0], a[1], argc>4 ? argv[5] : NULL);
1378   Tcl_AppendResult(interp, z, 0);
1379   sqlite3_free(z);
1380   return TCL_OK;
1381 }
1382 
1383 /*
1384 ** Usage:  sqlite3_mprintf_double FORMAT INTEGER INTEGER DOUBLE
1385 **
1386 ** Call mprintf with two integer arguments and one double argument
1387 */
1388 static int SQLITE_TCLAPI sqlite3_mprintf_double(
1389   void *NotUsed,
1390   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
1391   int argc,              /* Number of arguments */
1392   char **argv            /* Text of each argument */
1393 ){
1394   int a[3], i;
1395   double r;
1396   char *z;
1397   if( argc!=5 ){
1398     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
1399        " FORMAT INT INT DOUBLE\"", 0);
1400     return TCL_ERROR;
1401   }
1402   for(i=2; i<4; i++){
1403     if( Tcl_GetInt(interp, argv[i], &a[i-2]) ) return TCL_ERROR;
1404   }
1405   if( Tcl_GetDouble(interp, argv[4], &r) ) return TCL_ERROR;
1406   z = sqlite3_mprintf(argv[1], a[0], a[1], r);
1407   Tcl_AppendResult(interp, z, 0);
1408   sqlite3_free(z);
1409   return TCL_OK;
1410 }
1411 
1412 /*
1413 ** Usage:  sqlite3_mprintf_scaled FORMAT DOUBLE DOUBLE
1414 **
1415 ** Call mprintf with a single double argument which is the product of the
1416 ** two arguments given above.  This is used to generate overflow and underflow
1417 ** doubles to test that they are converted properly.
1418 */
1419 static int SQLITE_TCLAPI sqlite3_mprintf_scaled(
1420   void *NotUsed,
1421   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
1422   int argc,              /* Number of arguments */
1423   char **argv            /* Text of each argument */
1424 ){
1425   int i;
1426   double r[2];
1427   char *z;
1428   if( argc!=4 ){
1429     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
1430        " FORMAT DOUBLE DOUBLE\"", 0);
1431     return TCL_ERROR;
1432   }
1433   for(i=2; i<4; i++){
1434     if( Tcl_GetDouble(interp, argv[i], &r[i-2]) ) return TCL_ERROR;
1435   }
1436   z = sqlite3_mprintf(argv[1], r[0]*r[1]);
1437   Tcl_AppendResult(interp, z, 0);
1438   sqlite3_free(z);
1439   return TCL_OK;
1440 }
1441 
1442 /*
1443 ** Usage:  sqlite3_mprintf_stronly FORMAT STRING
1444 **
1445 ** Call mprintf with a single double argument which is the product of the
1446 ** two arguments given above.  This is used to generate overflow and underflow
1447 ** doubles to test that they are converted properly.
1448 */
1449 static int SQLITE_TCLAPI sqlite3_mprintf_stronly(
1450   void *NotUsed,
1451   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
1452   int argc,              /* Number of arguments */
1453   char **argv            /* Text of each argument */
1454 ){
1455   char *z;
1456   if( argc!=3 ){
1457     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
1458        " FORMAT STRING\"", 0);
1459     return TCL_ERROR;
1460   }
1461   z = sqlite3_mprintf(argv[1], argv[2]);
1462   Tcl_AppendResult(interp, z, 0);
1463   sqlite3_free(z);
1464   return TCL_OK;
1465 }
1466 
1467 /*
1468 ** Usage:  sqlite3_mprintf_hexdouble FORMAT HEX
1469 **
1470 ** Call mprintf with a single double argument which is derived from the
1471 ** hexadecimal encoding of an IEEE double.
1472 */
1473 static int SQLITE_TCLAPI sqlite3_mprintf_hexdouble(
1474   void *NotUsed,
1475   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
1476   int argc,              /* Number of arguments */
1477   char **argv            /* Text of each argument */
1478 ){
1479   char *z;
1480   double r;
1481   unsigned int x1, x2;
1482   sqlite_uint64 d;
1483   if( argc!=3 ){
1484     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
1485        " FORMAT STRING\"", 0);
1486     return TCL_ERROR;
1487   }
1488   if( sscanf(argv[2], "%08x%08x", &x2, &x1)!=2 ){
1489     Tcl_AppendResult(interp, "2nd argument should be 16-characters of hex", 0);
1490     return TCL_ERROR;
1491   }
1492   d = x2;
1493   d = (d<<32) + x1;
1494   memcpy(&r, &d, sizeof(r));
1495   z = sqlite3_mprintf(argv[1], r);
1496   Tcl_AppendResult(interp, z, 0);
1497   sqlite3_free(z);
1498   return TCL_OK;
1499 }
1500 
1501 /*
1502 ** Usage: sqlite3_enable_shared_cache ?BOOLEAN?
1503 **
1504 */
1505 #if !defined(SQLITE_OMIT_SHARED_CACHE)
1506 static int SQLITE_TCLAPI test_enable_shared(
1507   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
1508   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
1509   int objc,              /* Number of arguments */
1510   Tcl_Obj *CONST objv[]  /* Command arguments */
1511 ){
1512   int rc;
1513   int enable;
1514   int ret = 0;
1515 
1516   if( objc!=2 && objc!=1 ){
1517     Tcl_WrongNumArgs(interp, 1, objv, "?BOOLEAN?");
1518     return TCL_ERROR;
1519   }
1520   ret = sqlite3GlobalConfig.sharedCacheEnabled;
1521 
1522   if( objc==2 ){
1523     if( Tcl_GetBooleanFromObj(interp, objv[1], &enable) ){
1524       return TCL_ERROR;
1525     }
1526     rc = sqlite3_enable_shared_cache(enable);
1527     if( rc!=SQLITE_OK ){
1528       Tcl_SetResult(interp, (char *)sqlite3ErrStr(rc), TCL_STATIC);
1529       return TCL_ERROR;
1530     }
1531   }
1532   Tcl_SetObjResult(interp, Tcl_NewBooleanObj(ret));
1533   return TCL_OK;
1534 }
1535 #endif
1536 
1537 
1538 
1539 /*
1540 ** Usage: sqlite3_extended_result_codes   DB    BOOLEAN
1541 **
1542 */
1543 static int SQLITE_TCLAPI test_extended_result_codes(
1544   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
1545   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
1546   int objc,              /* Number of arguments */
1547   Tcl_Obj *CONST objv[]  /* Command arguments */
1548 ){
1549   int enable;
1550   sqlite3 *db;
1551 
1552   if( objc!=3 ){
1553     Tcl_WrongNumArgs(interp, 1, objv, "DB BOOLEAN");
1554     return TCL_ERROR;
1555   }
1556   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
1557   if( Tcl_GetBooleanFromObj(interp, objv[2], &enable) ) return TCL_ERROR;
1558   sqlite3_extended_result_codes(db, enable);
1559   return TCL_OK;
1560 }
1561 
1562 /*
1563 ** Usage: sqlite3_libversion_number
1564 **
1565 */
1566 static int SQLITE_TCLAPI test_libversion_number(
1567   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
1568   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
1569   int objc,              /* Number of arguments */
1570   Tcl_Obj *CONST objv[]  /* Command arguments */
1571 ){
1572   Tcl_SetObjResult(interp, Tcl_NewIntObj(sqlite3_libversion_number()));
1573   return TCL_OK;
1574 }
1575 
1576 /*
1577 ** Usage: sqlite3_table_column_metadata DB dbname tblname colname
1578 **
1579 */
1580 static int SQLITE_TCLAPI test_table_column_metadata(
1581   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
1582   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
1583   int objc,              /* Number of arguments */
1584   Tcl_Obj *CONST objv[]  /* Command arguments */
1585 ){
1586   sqlite3 *db;
1587   const char *zDb;
1588   const char *zTbl;
1589   const char *zCol;
1590   int rc;
1591   Tcl_Obj *pRet;
1592 
1593   const char *zDatatype;
1594   const char *zCollseq;
1595   int notnull;
1596   int primarykey;
1597   int autoincrement;
1598 
1599   if( objc!=5 && objc!=4 ){
1600     Tcl_WrongNumArgs(interp, 1, objv, "DB dbname tblname colname");
1601     return TCL_ERROR;
1602   }
1603   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
1604   zDb = Tcl_GetString(objv[2]);
1605   zTbl = Tcl_GetString(objv[3]);
1606   zCol = objc==5 ? Tcl_GetString(objv[4]) : 0;
1607 
1608   if( strlen(zDb)==0 ) zDb = 0;
1609 
1610   rc = sqlite3_table_column_metadata(db, zDb, zTbl, zCol,
1611       &zDatatype, &zCollseq, &notnull, &primarykey, &autoincrement);
1612 
1613   if( rc!=SQLITE_OK ){
1614     Tcl_AppendResult(interp, sqlite3_errmsg(db), 0);
1615     return TCL_ERROR;
1616   }
1617 
1618   pRet = Tcl_NewObj();
1619   Tcl_ListObjAppendElement(0, pRet, Tcl_NewStringObj(zDatatype, -1));
1620   Tcl_ListObjAppendElement(0, pRet, Tcl_NewStringObj(zCollseq, -1));
1621   Tcl_ListObjAppendElement(0, pRet, Tcl_NewIntObj(notnull));
1622   Tcl_ListObjAppendElement(0, pRet, Tcl_NewIntObj(primarykey));
1623   Tcl_ListObjAppendElement(0, pRet, Tcl_NewIntObj(autoincrement));
1624   Tcl_SetObjResult(interp, pRet);
1625 
1626   return TCL_OK;
1627 }
1628 
1629 #ifndef SQLITE_OMIT_INCRBLOB
1630 
1631 static int SQLITE_TCLAPI blobHandleFromObj(
1632   Tcl_Interp *interp,
1633   Tcl_Obj *pObj,
1634   sqlite3_blob **ppBlob
1635 ){
1636   char *z;
1637   int n;
1638 
1639   z = Tcl_GetStringFromObj(pObj, &n);
1640   if( n==0 ){
1641     *ppBlob = 0;
1642   }else{
1643     int notUsed;
1644     Tcl_Channel channel;
1645     ClientData instanceData;
1646 
1647     channel = Tcl_GetChannel(interp, z, &notUsed);
1648     if( !channel ) return TCL_ERROR;
1649 
1650     Tcl_Flush(channel);
1651     Tcl_Seek(channel, 0, SEEK_SET);
1652 
1653     instanceData = Tcl_GetChannelInstanceData(channel);
1654     *ppBlob = *((sqlite3_blob **)instanceData);
1655   }
1656 
1657   return TCL_OK;
1658 }
1659 
1660 static int SQLITE_TCLAPI test_blob_reopen(
1661   ClientData clientData, /* Not used */
1662   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
1663   int objc,              /* Number of arguments */
1664   Tcl_Obj *CONST objv[]  /* Command arguments */
1665 ){
1666   Tcl_WideInt iRowid;
1667   sqlite3_blob *pBlob;
1668   int rc;
1669 
1670   if( objc!=3 ){
1671     Tcl_WrongNumArgs(interp, 1, objv, "CHANNEL ROWID");
1672     return TCL_ERROR;
1673   }
1674 
1675   if( blobHandleFromObj(interp, objv[1], &pBlob) ) return TCL_ERROR;
1676   if( Tcl_GetWideIntFromObj(interp, objv[2], &iRowid) ) return TCL_ERROR;
1677 
1678   rc = sqlite3_blob_reopen(pBlob, iRowid);
1679   if( rc!=SQLITE_OK ){
1680     Tcl_SetResult(interp, (char *)sqlite3ErrName(rc), TCL_VOLATILE);
1681   }
1682 
1683   return (rc==SQLITE_OK ? TCL_OK : TCL_ERROR);
1684 }
1685 
1686 #endif
1687 
1688 /*
1689 ** Usage: sqlite3_create_collation_v2 DB-HANDLE NAME CMP-PROC DEL-PROC
1690 **
1691 **   This Tcl proc is used for testing the experimental
1692 **   sqlite3_create_collation_v2() interface.
1693 */
1694 struct TestCollationX {
1695   Tcl_Interp *interp;
1696   Tcl_Obj *pCmp;
1697   Tcl_Obj *pDel;
1698 };
1699 typedef struct TestCollationX TestCollationX;
1700 static void testCreateCollationDel(void *pCtx){
1701   TestCollationX *p = (TestCollationX *)pCtx;
1702 
1703   int rc = Tcl_EvalObjEx(p->interp, p->pDel, TCL_EVAL_DIRECT|TCL_EVAL_GLOBAL);
1704   if( rc!=TCL_OK ){
1705     Tcl_BackgroundError(p->interp);
1706   }
1707 
1708   Tcl_DecrRefCount(p->pCmp);
1709   Tcl_DecrRefCount(p->pDel);
1710   sqlite3_free((void *)p);
1711 }
1712 static int testCreateCollationCmp(
1713   void *pCtx,
1714   int nLeft,
1715   const void *zLeft,
1716   int nRight,
1717   const void *zRight
1718 ){
1719   TestCollationX *p = (TestCollationX *)pCtx;
1720   Tcl_Obj *pScript = Tcl_DuplicateObj(p->pCmp);
1721   int iRes = 0;
1722 
1723   Tcl_IncrRefCount(pScript);
1724   Tcl_ListObjAppendElement(0, pScript, Tcl_NewStringObj((char *)zLeft, nLeft));
1725   Tcl_ListObjAppendElement(0, pScript, Tcl_NewStringObj((char *)zRight,nRight));
1726 
1727   if( TCL_OK!=Tcl_EvalObjEx(p->interp, pScript, TCL_EVAL_DIRECT|TCL_EVAL_GLOBAL)
1728    || TCL_OK!=Tcl_GetIntFromObj(p->interp, Tcl_GetObjResult(p->interp), &iRes)
1729   ){
1730     Tcl_BackgroundError(p->interp);
1731   }
1732   Tcl_DecrRefCount(pScript);
1733 
1734   return iRes;
1735 }
1736 static int SQLITE_TCLAPI test_create_collation_v2(
1737   ClientData clientData, /* Not used */
1738   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
1739   int objc,              /* Number of arguments */
1740   Tcl_Obj *CONST objv[]  /* Command arguments */
1741 ){
1742   TestCollationX *p;
1743   sqlite3 *db;
1744   int rc;
1745 
1746   if( objc!=5 ){
1747     Tcl_WrongNumArgs(interp, 1, objv, "DB-HANDLE NAME CMP-PROC DEL-PROC");
1748     return TCL_ERROR;
1749   }
1750   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
1751 
1752   p = (TestCollationX *)sqlite3_malloc(sizeof(TestCollationX));
1753   p->pCmp = objv[3];
1754   p->pDel = objv[4];
1755   p->interp = interp;
1756   Tcl_IncrRefCount(p->pCmp);
1757   Tcl_IncrRefCount(p->pDel);
1758 
1759   rc = sqlite3_create_collation_v2(db, Tcl_GetString(objv[2]), 16,
1760       (void *)p, testCreateCollationCmp, testCreateCollationDel
1761   );
1762   if( rc!=SQLITE_MISUSE ){
1763     Tcl_AppendResult(interp, "sqlite3_create_collate_v2() failed to detect "
1764       "an invalid encoding", (char*)0);
1765     return TCL_ERROR;
1766   }
1767   rc = sqlite3_create_collation_v2(db, Tcl_GetString(objv[2]), SQLITE_UTF8,
1768       (void *)p, testCreateCollationCmp, testCreateCollationDel
1769   );
1770   return TCL_OK;
1771 }
1772 
1773 /*
1774 ** USAGE: sqlite3_create_function_v2 DB NAME NARG ENC ?SWITCHES?
1775 **
1776 ** Available switches are:
1777 **
1778 **   -func    SCRIPT
1779 **   -step    SCRIPT
1780 **   -final   SCRIPT
1781 **   -destroy SCRIPT
1782 */
1783 typedef struct CreateFunctionV2 CreateFunctionV2;
1784 struct CreateFunctionV2 {
1785   Tcl_Interp *interp;
1786   Tcl_Obj *pFunc;                 /* Script for function invocation */
1787   Tcl_Obj *pStep;                 /* Script for agg. step invocation */
1788   Tcl_Obj *pFinal;                /* Script for agg. finalization invocation */
1789   Tcl_Obj *pDestroy;              /* Destructor script */
1790 };
1791 static void cf2Func(sqlite3_context *ctx, int nArg, sqlite3_value **aArg){
1792 }
1793 static void cf2Step(sqlite3_context *ctx, int nArg, sqlite3_value **aArg){
1794 }
1795 static void cf2Final(sqlite3_context *ctx){
1796 }
1797 static void cf2Destroy(void *pUser){
1798   CreateFunctionV2 *p = (CreateFunctionV2 *)pUser;
1799 
1800   if( p->interp && p->pDestroy ){
1801     int rc = Tcl_EvalObjEx(p->interp, p->pDestroy, 0);
1802     if( rc!=TCL_OK ) Tcl_BackgroundError(p->interp);
1803   }
1804 
1805   if( p->pFunc ) Tcl_DecrRefCount(p->pFunc);
1806   if( p->pStep ) Tcl_DecrRefCount(p->pStep);
1807   if( p->pFinal ) Tcl_DecrRefCount(p->pFinal);
1808   if( p->pDestroy ) Tcl_DecrRefCount(p->pDestroy);
1809   sqlite3_free(p);
1810 }
1811 static int SQLITE_TCLAPI test_create_function_v2(
1812   ClientData clientData,          /* Not used */
1813   Tcl_Interp *interp,             /* The invoking TCL interpreter */
1814   int objc,                       /* Number of arguments */
1815   Tcl_Obj *CONST objv[]           /* Command arguments */
1816 ){
1817   sqlite3 *db;
1818   const char *zFunc;
1819   int nArg;
1820   int enc;
1821   CreateFunctionV2 *p;
1822   int i;
1823   int rc;
1824 
1825   struct EncTable {
1826     const char *zEnc;
1827     int enc;
1828   } aEnc[] = {
1829     {"utf8",    SQLITE_UTF8 },
1830     {"utf16",   SQLITE_UTF16 },
1831     {"utf16le", SQLITE_UTF16LE },
1832     {"utf16be", SQLITE_UTF16BE },
1833     {"any",     SQLITE_ANY },
1834     {"0", 0 }
1835   };
1836 
1837   if( objc<5 || (objc%2)==0 ){
1838     Tcl_WrongNumArgs(interp, 1, objv, "DB NAME NARG ENC SWITCHES...");
1839     return TCL_ERROR;
1840   }
1841 
1842   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
1843   zFunc = Tcl_GetString(objv[2]);
1844   if( Tcl_GetIntFromObj(interp, objv[3], &nArg) ) return TCL_ERROR;
1845   if( Tcl_GetIndexFromObjStruct(interp, objv[4], aEnc, sizeof(aEnc[0]),
1846           "encoding", 0, &enc)
1847   ){
1848     return TCL_ERROR;
1849   }
1850   enc = aEnc[enc].enc;
1851 
1852   p = sqlite3_malloc(sizeof(CreateFunctionV2));
1853   assert( p );
1854   memset(p, 0, sizeof(CreateFunctionV2));
1855   p->interp = interp;
1856 
1857   for(i=5; i<objc; i+=2){
1858     int iSwitch;
1859     const char *azSwitch[] = {"-func", "-step", "-final", "-destroy", 0};
1860     if( Tcl_GetIndexFromObj(interp, objv[i], azSwitch, "switch", 0, &iSwitch) ){
1861       sqlite3_free(p);
1862       return TCL_ERROR;
1863     }
1864 
1865     switch( iSwitch ){
1866       case 0: p->pFunc = objv[i+1];      break;
1867       case 1: p->pStep = objv[i+1];      break;
1868       case 2: p->pFinal = objv[i+1];     break;
1869       case 3: p->pDestroy = objv[i+1];   break;
1870     }
1871   }
1872   if( p->pFunc ) p->pFunc = Tcl_DuplicateObj(p->pFunc);
1873   if( p->pStep ) p->pStep = Tcl_DuplicateObj(p->pStep);
1874   if( p->pFinal ) p->pFinal = Tcl_DuplicateObj(p->pFinal);
1875   if( p->pDestroy ) p->pDestroy = Tcl_DuplicateObj(p->pDestroy);
1876 
1877   if( p->pFunc ) Tcl_IncrRefCount(p->pFunc);
1878   if( p->pStep ) Tcl_IncrRefCount(p->pStep);
1879   if( p->pFinal ) Tcl_IncrRefCount(p->pFinal);
1880   if( p->pDestroy ) Tcl_IncrRefCount(p->pDestroy);
1881 
1882   rc = sqlite3_create_function_v2(db, zFunc, nArg, enc, (void *)p,
1883       (p->pFunc ? cf2Func : 0),
1884       (p->pStep ? cf2Step : 0),
1885       (p->pFinal ? cf2Final : 0),
1886       cf2Destroy
1887   );
1888   if( rc!=SQLITE_OK ){
1889     Tcl_ResetResult(interp);
1890     Tcl_AppendResult(interp, sqlite3ErrName(rc), 0);
1891     return TCL_ERROR;
1892   }
1893   return TCL_OK;
1894 }
1895 
1896 /*
1897 ** Usage: sqlite3_load_extension DB-HANDLE FILE ?PROC?
1898 */
1899 static int SQLITE_TCLAPI test_load_extension(
1900   ClientData clientData, /* Not used */
1901   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
1902   int objc,              /* Number of arguments */
1903   Tcl_Obj *CONST objv[]  /* Command arguments */
1904 ){
1905   Tcl_CmdInfo cmdInfo;
1906   sqlite3 *db;
1907   int rc;
1908   char *zDb;
1909   char *zFile;
1910   char *zProc = 0;
1911   char *zErr = 0;
1912 
1913   if( objc!=4 && objc!=3 ){
1914     Tcl_WrongNumArgs(interp, 1, objv, "DB-HANDLE FILE ?PROC?");
1915     return TCL_ERROR;
1916   }
1917   zDb = Tcl_GetString(objv[1]);
1918   zFile = Tcl_GetString(objv[2]);
1919   if( objc==4 ){
1920     zProc = Tcl_GetString(objv[3]);
1921   }
1922 
1923   /* Extract the C database handle from the Tcl command name */
1924   if( !Tcl_GetCommandInfo(interp, zDb, &cmdInfo) ){
1925     Tcl_AppendResult(interp, "command not found: ", zDb, (char*)0);
1926     return TCL_ERROR;
1927   }
1928   db = ((struct SqliteDb*)cmdInfo.objClientData)->db;
1929   assert(db);
1930 
1931   /* Call the underlying C function. If an error occurs, set rc to
1932   ** TCL_ERROR and load any error string into the interpreter. If no
1933   ** error occurs, set rc to TCL_OK.
1934   */
1935 #ifdef SQLITE_OMIT_LOAD_EXTENSION
1936   rc = SQLITE_ERROR;
1937   zErr = sqlite3_mprintf("this build omits sqlite3_load_extension()");
1938   (void)zProc;
1939   (void)zFile;
1940 #else
1941   rc = sqlite3_load_extension(db, zFile, zProc, &zErr);
1942 #endif
1943   if( rc!=SQLITE_OK ){
1944     Tcl_SetResult(interp, zErr ? zErr : "", TCL_VOLATILE);
1945     rc = TCL_ERROR;
1946   }else{
1947     rc = TCL_OK;
1948   }
1949   sqlite3_free(zErr);
1950 
1951   return rc;
1952 }
1953 
1954 /*
1955 ** Usage: sqlite3_enable_load_extension DB-HANDLE ONOFF
1956 */
1957 static int SQLITE_TCLAPI test_enable_load(
1958   ClientData clientData, /* Not used */
1959   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
1960   int objc,              /* Number of arguments */
1961   Tcl_Obj *CONST objv[]  /* Command arguments */
1962 ){
1963   Tcl_CmdInfo cmdInfo;
1964   sqlite3 *db;
1965   char *zDb;
1966   int onoff;
1967 
1968   if( objc!=3 ){
1969     Tcl_WrongNumArgs(interp, 1, objv, "DB-HANDLE ONOFF");
1970     return TCL_ERROR;
1971   }
1972   zDb = Tcl_GetString(objv[1]);
1973 
1974   /* Extract the C database handle from the Tcl command name */
1975   if( !Tcl_GetCommandInfo(interp, zDb, &cmdInfo) ){
1976     Tcl_AppendResult(interp, "command not found: ", zDb, (char*)0);
1977     return TCL_ERROR;
1978   }
1979   db = ((struct SqliteDb*)cmdInfo.objClientData)->db;
1980   assert(db);
1981 
1982   /* Get the onoff parameter */
1983   if( Tcl_GetBooleanFromObj(interp, objv[2], &onoff) ){
1984     return TCL_ERROR;
1985   }
1986 
1987 #ifdef SQLITE_OMIT_LOAD_EXTENSION
1988   Tcl_AppendResult(interp, "this build omits sqlite3_load_extension()");
1989   return TCL_ERROR;
1990 #else
1991   sqlite3_enable_load_extension(db, onoff);
1992   return TCL_OK;
1993 #endif
1994 }
1995 
1996 /*
1997 ** Usage:  sqlite_abort
1998 **
1999 ** Shutdown the process immediately.  This is not a clean shutdown.
2000 ** This command is used to test the recoverability of a database in
2001 ** the event of a program crash.
2002 */
2003 static int SQLITE_TCLAPI sqlite_abort(
2004   void *NotUsed,
2005   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
2006   int argc,              /* Number of arguments */
2007   char **argv            /* Text of each argument */
2008 ){
2009 #if defined(_MSC_VER)
2010   /* We do this, otherwise the test will halt with a popup message
2011    * that we have to click away before the test will continue.
2012    */
2013   _set_abort_behavior( 0, _CALL_REPORTFAULT );
2014 #endif
2015   exit(255);
2016   assert( interp==0 );   /* This will always fail */
2017   return TCL_OK;
2018 }
2019 
2020 /*
2021 ** The following routine is a user-defined SQL function whose purpose
2022 ** is to test the sqlite_set_result() API.
2023 */
2024 static void testFunc(sqlite3_context *context, int argc, sqlite3_value **argv){
2025   while( argc>=2 ){
2026     const char *zArg0 = (char*)sqlite3_value_text(argv[0]);
2027     if( zArg0 ){
2028       if( 0==sqlite3StrICmp(zArg0, "int") ){
2029         sqlite3_result_int(context, sqlite3_value_int(argv[1]));
2030       }else if( sqlite3StrICmp(zArg0,"int64")==0 ){
2031         sqlite3_result_int64(context, sqlite3_value_int64(argv[1]));
2032       }else if( sqlite3StrICmp(zArg0,"string")==0 ){
2033         sqlite3_result_text(context, (char*)sqlite3_value_text(argv[1]), -1,
2034             SQLITE_TRANSIENT);
2035       }else if( sqlite3StrICmp(zArg0,"double")==0 ){
2036         sqlite3_result_double(context, sqlite3_value_double(argv[1]));
2037       }else if( sqlite3StrICmp(zArg0,"null")==0 ){
2038         sqlite3_result_null(context);
2039       }else if( sqlite3StrICmp(zArg0,"value")==0 ){
2040         sqlite3_result_value(context, argv[sqlite3_value_int(argv[1])]);
2041       }else{
2042         goto error_out;
2043       }
2044     }else{
2045       goto error_out;
2046     }
2047     argc -= 2;
2048     argv += 2;
2049   }
2050   return;
2051 
2052 error_out:
2053   sqlite3_result_error(context,"first argument should be one of: "
2054       "int int64 string double null value", -1);
2055 }
2056 
2057 /*
2058 ** Usage:   sqlite_register_test_function  DB  NAME
2059 **
2060 ** Register the test SQL function on the database DB under the name NAME.
2061 */
2062 static int SQLITE_TCLAPI test_register_func(
2063   void *NotUsed,
2064   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
2065   int argc,              /* Number of arguments */
2066   char **argv            /* Text of each argument */
2067 ){
2068   sqlite3 *db;
2069   int rc;
2070   if( argc!=3 ){
2071     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
2072        " DB FUNCTION-NAME", 0);
2073     return TCL_ERROR;
2074   }
2075   if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
2076   rc = sqlite3_create_function(db, argv[2], -1, SQLITE_UTF8, 0,
2077       testFunc, 0, 0);
2078   if( rc!=0 ){
2079     Tcl_AppendResult(interp, sqlite3ErrStr(rc), 0);
2080     return TCL_ERROR;
2081   }
2082   if( sqlite3TestErrCode(interp, db, rc) ) return TCL_ERROR;
2083   return TCL_OK;
2084 }
2085 
2086 /*
2087 ** Usage:  sqlite3_finalize  STMT
2088 **
2089 ** Finalize a statement handle.
2090 */
2091 static int SQLITE_TCLAPI test_finalize(
2092   void * clientData,
2093   Tcl_Interp *interp,
2094   int objc,
2095   Tcl_Obj *CONST objv[]
2096 ){
2097   sqlite3_stmt *pStmt;
2098   int rc;
2099   sqlite3 *db = 0;
2100 
2101   if( objc!=2 ){
2102     Tcl_AppendResult(interp, "wrong # args: should be \"",
2103         Tcl_GetStringFromObj(objv[0], 0), " <STMT>", 0);
2104     return TCL_ERROR;
2105   }
2106 
2107   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
2108 
2109   if( pStmt ){
2110     db = StmtToDb(pStmt);
2111   }
2112   rc = sqlite3_finalize(pStmt);
2113   Tcl_SetResult(interp, (char *)t1ErrorName(rc), TCL_STATIC);
2114   if( db && sqlite3TestErrCode(interp, db, rc) ) return TCL_ERROR;
2115   return TCL_OK;
2116 }
2117 
2118 /*
2119 ** Usage:  sqlite3_stmt_status  STMT  CODE  RESETFLAG
2120 **
2121 ** Get the value of a status counter from a statement.
2122 */
2123 static int SQLITE_TCLAPI test_stmt_status(
2124   void * clientData,
2125   Tcl_Interp *interp,
2126   int objc,
2127   Tcl_Obj *CONST objv[]
2128 ){
2129   int iValue;
2130   int i, op = 0, resetFlag;
2131   const char *zOpName;
2132   sqlite3_stmt *pStmt;
2133 
2134   static const struct {
2135     const char *zName;
2136     int op;
2137   } aOp[] = {
2138     { "SQLITE_STMTSTATUS_FULLSCAN_STEP",   SQLITE_STMTSTATUS_FULLSCAN_STEP   },
2139     { "SQLITE_STMTSTATUS_SORT",            SQLITE_STMTSTATUS_SORT            },
2140     { "SQLITE_STMTSTATUS_AUTOINDEX",       SQLITE_STMTSTATUS_AUTOINDEX       },
2141     { "SQLITE_STMTSTATUS_VM_STEP",         SQLITE_STMTSTATUS_VM_STEP         },
2142     { "SQLITE_STMTSTATUS_REPREPARE",       SQLITE_STMTSTATUS_REPREPARE       },
2143     { "SQLITE_STMTSTATUS_RUN",             SQLITE_STMTSTATUS_RUN             },
2144     { "SQLITE_STMTSTATUS_MEMUSED",         SQLITE_STMTSTATUS_MEMUSED         },
2145   };
2146   if( objc!=4 ){
2147     Tcl_WrongNumArgs(interp, 1, objv, "STMT PARAMETER RESETFLAG");
2148     return TCL_ERROR;
2149   }
2150   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
2151   zOpName = Tcl_GetString(objv[2]);
2152   for(i=0; i<ArraySize(aOp); i++){
2153     if( strcmp(aOp[i].zName, zOpName)==0 ){
2154       op = aOp[i].op;
2155       break;
2156     }
2157   }
2158   if( i>=ArraySize(aOp) ){
2159     if( Tcl_GetIntFromObj(interp, objv[2], &op) ) return TCL_ERROR;
2160   }
2161   if( Tcl_GetBooleanFromObj(interp, objv[3], &resetFlag) ) return TCL_ERROR;
2162   iValue = sqlite3_stmt_status(pStmt, op, resetFlag);
2163   Tcl_SetObjResult(interp, Tcl_NewIntObj(iValue));
2164   return TCL_OK;
2165 }
2166 
2167 #ifdef SQLITE_ENABLE_STMT_SCANSTATUS
2168 /*
2169 ** Usage:  sqlite3_stmt_scanstatus STMT IDX
2170 */
2171 static int SQLITE_TCLAPI test_stmt_scanstatus(
2172   void * clientData,
2173   Tcl_Interp *interp,
2174   int objc,
2175   Tcl_Obj *CONST objv[]
2176 ){
2177   sqlite3_stmt *pStmt;            /* First argument */
2178   int idx;                        /* Second argument */
2179 
2180   const char *zName;
2181   const char *zExplain;
2182   sqlite3_int64 nLoop;
2183   sqlite3_int64 nVisit;
2184   double rEst;
2185   int res;
2186 
2187   if( objc!=3 ){
2188     Tcl_WrongNumArgs(interp, 1, objv, "STMT IDX");
2189     return TCL_ERROR;
2190   }
2191   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
2192   if( Tcl_GetIntFromObj(interp, objv[2], &idx) ) return TCL_ERROR;
2193 
2194   res = sqlite3_stmt_scanstatus(pStmt, idx, SQLITE_SCANSTAT_NLOOP, (void*)&nLoop);
2195   if( res==0 ){
2196     Tcl_Obj *pRet = Tcl_NewObj();
2197     Tcl_ListObjAppendElement(0, pRet, Tcl_NewStringObj("nLoop", -1));
2198     Tcl_ListObjAppendElement(0, pRet, Tcl_NewWideIntObj(nLoop));
2199     sqlite3_stmt_scanstatus(pStmt, idx, SQLITE_SCANSTAT_NVISIT, (void*)&nVisit);
2200     Tcl_ListObjAppendElement(0, pRet, Tcl_NewStringObj("nVisit", -1));
2201     Tcl_ListObjAppendElement(0, pRet, Tcl_NewWideIntObj(nVisit));
2202     sqlite3_stmt_scanstatus(pStmt, idx, SQLITE_SCANSTAT_EST, (void*)&rEst);
2203     Tcl_ListObjAppendElement(0, pRet, Tcl_NewStringObj("nEst", -1));
2204     Tcl_ListObjAppendElement(0, pRet, Tcl_NewDoubleObj(rEst));
2205     sqlite3_stmt_scanstatus(pStmt, idx, SQLITE_SCANSTAT_NAME, (void*)&zName);
2206     Tcl_ListObjAppendElement(0, pRet, Tcl_NewStringObj("zName", -1));
2207     Tcl_ListObjAppendElement(0, pRet, Tcl_NewStringObj(zName, -1));
2208     sqlite3_stmt_scanstatus(pStmt, idx, SQLITE_SCANSTAT_EXPLAIN, (void*)&zExplain);
2209     Tcl_ListObjAppendElement(0, pRet, Tcl_NewStringObj("zExplain", -1));
2210     Tcl_ListObjAppendElement(0, pRet, Tcl_NewStringObj(zExplain, -1));
2211     Tcl_SetObjResult(interp, pRet);
2212   }else{
2213     Tcl_ResetResult(interp);
2214   }
2215   return TCL_OK;
2216 }
2217 
2218 /*
2219 ** Usage:  sqlite3_stmt_scanstatus_reset  STMT
2220 */
2221 static int SQLITE_TCLAPI test_stmt_scanstatus_reset(
2222   void * clientData,
2223   Tcl_Interp *interp,
2224   int objc,
2225   Tcl_Obj *CONST objv[]
2226 ){
2227   sqlite3_stmt *pStmt;            /* First argument */
2228   if( objc!=2 ){
2229     Tcl_WrongNumArgs(interp, 1, objv, "STMT");
2230     return TCL_ERROR;
2231   }
2232   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
2233   sqlite3_stmt_scanstatus_reset(pStmt);
2234   return TCL_OK;
2235 }
2236 #endif
2237 
2238 #ifdef SQLITE_ENABLE_SQLLOG
2239 /*
2240 ** Usage:  sqlite3_config_sqllog
2241 **
2242 ** Zero the SQLITE_CONFIG_SQLLOG configuration
2243 */
2244 static int SQLITE_TCLAPI test_config_sqllog(
2245   void * clientData,
2246   Tcl_Interp *interp,
2247   int objc,
2248   Tcl_Obj *CONST objv[]
2249 ){
2250   if( objc!=1 ){
2251     Tcl_WrongNumArgs(interp, 1, objv, "");
2252     return TCL_ERROR;
2253   }
2254   sqlite3_config(SQLITE_CONFIG_SQLLOG, 0, 0);
2255   return TCL_OK;
2256 }
2257 #endif
2258 
2259 /*
2260 ** Usage:  sqlite3_config_sorterref
2261 **
2262 ** Set the SQLITE_CONFIG_SORTERREF_SIZE configuration option
2263 */
2264 static int SQLITE_TCLAPI test_config_sorterref(
2265   void * clientData,
2266   Tcl_Interp *interp,
2267   int objc,
2268   Tcl_Obj *CONST objv[]
2269 ){
2270   int iVal;
2271   if( objc!=2 ){
2272     Tcl_WrongNumArgs(interp, 1, objv, "NBYTE");
2273     return TCL_ERROR;
2274   }
2275   if( Tcl_GetIntFromObj(interp, objv[1], &iVal) ) return TCL_ERROR;
2276   sqlite3_config(SQLITE_CONFIG_SORTERREF_SIZE, iVal);
2277   return TCL_OK;
2278 }
2279 
2280 /*
2281 ** Usage: vfs_current_time_int64
2282 **
2283 ** Return the value returned by the default VFS's xCurrentTimeInt64 method.
2284 */
2285 static int SQLITE_TCLAPI vfsCurrentTimeInt64(
2286   void * clientData,
2287   Tcl_Interp *interp,
2288   int objc,
2289   Tcl_Obj *CONST objv[]
2290 ){
2291   i64 t;
2292   sqlite3_vfs *pVfs = sqlite3_vfs_find(0);
2293   if( objc!=1 ){
2294     Tcl_WrongNumArgs(interp, 1, objv, "");
2295     return TCL_ERROR;
2296   }
2297   pVfs->xCurrentTimeInt64(pVfs, &t);
2298   Tcl_SetObjResult(interp, Tcl_NewWideIntObj(t));
2299   return TCL_OK;
2300 }
2301 
2302 #ifdef SQLITE_ENABLE_SNAPSHOT
2303 /*
2304 ** Usage: sqlite3_snapshot_get DB DBNAME
2305 */
2306 static int SQLITE_TCLAPI test_snapshot_get(
2307   void * clientData,
2308   Tcl_Interp *interp,
2309   int objc,
2310   Tcl_Obj *CONST objv[]
2311 ){
2312   int rc;
2313   sqlite3 *db;
2314   char *zName;
2315   sqlite3_snapshot *pSnapshot = 0;
2316 
2317   if( objc!=3 ){
2318     Tcl_WrongNumArgs(interp, 1, objv, "DB DBNAME");
2319     return TCL_ERROR;
2320   }
2321   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
2322   zName = Tcl_GetString(objv[2]);
2323 
2324   rc = sqlite3_snapshot_get(db, zName, &pSnapshot);
2325   if( rc!=SQLITE_OK ){
2326     Tcl_SetObjResult(interp, Tcl_NewStringObj(sqlite3ErrName(rc), -1));
2327     return TCL_ERROR;
2328   }else{
2329     char zBuf[100];
2330     if( sqlite3TestMakePointerStr(interp, zBuf, pSnapshot) ) return TCL_ERROR;
2331     Tcl_SetObjResult(interp, Tcl_NewStringObj(zBuf, -1));
2332   }
2333   return TCL_OK;
2334 }
2335 #endif /* SQLITE_ENABLE_SNAPSHOT */
2336 
2337 #ifdef SQLITE_ENABLE_SNAPSHOT
2338 /*
2339 ** Usage: sqlite3_snapshot_recover DB DBNAME
2340 */
2341 static int SQLITE_TCLAPI test_snapshot_recover(
2342   void * clientData,
2343   Tcl_Interp *interp,
2344   int objc,
2345   Tcl_Obj *CONST objv[]
2346 ){
2347   int rc;
2348   sqlite3 *db;
2349   char *zName;
2350 
2351   if( objc!=3 ){
2352     Tcl_WrongNumArgs(interp, 1, objv, "DB DBNAME");
2353     return TCL_ERROR;
2354   }
2355   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
2356   zName = Tcl_GetString(objv[2]);
2357 
2358   rc = sqlite3_snapshot_recover(db, zName);
2359   if( rc!=SQLITE_OK ){
2360     Tcl_SetObjResult(interp, Tcl_NewStringObj(sqlite3ErrName(rc), -1));
2361     return TCL_ERROR;
2362   }else{
2363     Tcl_ResetResult(interp);
2364   }
2365   return TCL_OK;
2366 }
2367 #endif /* SQLITE_ENABLE_SNAPSHOT */
2368 
2369 #ifdef SQLITE_ENABLE_SNAPSHOT
2370 /*
2371 ** Usage: sqlite3_snapshot_open DB DBNAME SNAPSHOT
2372 */
2373 static int SQLITE_TCLAPI test_snapshot_open(
2374   void * clientData,
2375   Tcl_Interp *interp,
2376   int objc,
2377   Tcl_Obj *CONST objv[]
2378 ){
2379   int rc;
2380   sqlite3 *db;
2381   char *zName;
2382   sqlite3_snapshot *pSnapshot;
2383 
2384   if( objc!=4 ){
2385     Tcl_WrongNumArgs(interp, 1, objv, "DB DBNAME SNAPSHOT");
2386     return TCL_ERROR;
2387   }
2388   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
2389   zName = Tcl_GetString(objv[2]);
2390   pSnapshot = (sqlite3_snapshot*)sqlite3TestTextToPtr(Tcl_GetString(objv[3]));
2391 
2392   rc = sqlite3_snapshot_open(db, zName, pSnapshot);
2393   if( rc!=SQLITE_OK ){
2394     Tcl_SetObjResult(interp, Tcl_NewStringObj(sqlite3ErrName(rc), -1));
2395     return TCL_ERROR;
2396   }else{
2397     Tcl_ResetResult(interp);
2398   }
2399   return TCL_OK;
2400 }
2401 #endif /* SQLITE_ENABLE_SNAPSHOT */
2402 
2403 #ifdef SQLITE_ENABLE_SNAPSHOT
2404 /*
2405 ** Usage: sqlite3_snapshot_free SNAPSHOT
2406 */
2407 static int SQLITE_TCLAPI test_snapshot_free(
2408   void * clientData,
2409   Tcl_Interp *interp,
2410   int objc,
2411   Tcl_Obj *CONST objv[]
2412 ){
2413   sqlite3_snapshot *pSnapshot;
2414   if( objc!=2 ){
2415     Tcl_WrongNumArgs(interp, 1, objv, "SNAPSHOT");
2416     return TCL_ERROR;
2417   }
2418   pSnapshot = (sqlite3_snapshot*)sqlite3TestTextToPtr(Tcl_GetString(objv[1]));
2419   sqlite3_snapshot_free(pSnapshot);
2420   return TCL_OK;
2421 }
2422 #endif /* SQLITE_ENABLE_SNAPSHOT */
2423 
2424 #ifdef SQLITE_ENABLE_SNAPSHOT
2425 /*
2426 ** Usage: sqlite3_snapshot_cmp SNAPSHOT1 SNAPSHOT2
2427 */
2428 static int SQLITE_TCLAPI test_snapshot_cmp(
2429   void * clientData,
2430   Tcl_Interp *interp,
2431   int objc,
2432   Tcl_Obj *CONST objv[]
2433 ){
2434   int res;
2435   sqlite3_snapshot *p1;
2436   sqlite3_snapshot *p2;
2437   if( objc!=3 ){
2438     Tcl_WrongNumArgs(interp, 1, objv, "SNAPSHOT1 SNAPSHOT2");
2439     return TCL_ERROR;
2440   }
2441   p1 = (sqlite3_snapshot*)sqlite3TestTextToPtr(Tcl_GetString(objv[1]));
2442   p2 = (sqlite3_snapshot*)sqlite3TestTextToPtr(Tcl_GetString(objv[2]));
2443   res = sqlite3_snapshot_cmp(p1, p2);
2444   Tcl_SetObjResult(interp, Tcl_NewIntObj(res));
2445   return TCL_OK;
2446 }
2447 #endif /* SQLITE_ENABLE_SNAPSHOT */
2448 
2449 #ifdef SQLITE_ENABLE_SNAPSHOT
2450 /*
2451 ** Usage: sqlite3_snapshot_get_blob DB DBNAME
2452 */
2453 static int SQLITE_TCLAPI test_snapshot_get_blob(
2454   void * clientData,
2455   Tcl_Interp *interp,
2456   int objc,
2457   Tcl_Obj *CONST objv[]
2458 ){
2459   int rc;
2460   sqlite3 *db;
2461   char *zName;
2462   sqlite3_snapshot *pSnapshot = 0;
2463 
2464   if( objc!=3 ){
2465     Tcl_WrongNumArgs(interp, 1, objv, "DB DBNAME");
2466     return TCL_ERROR;
2467   }
2468   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
2469   zName = Tcl_GetString(objv[2]);
2470 
2471   rc = sqlite3_snapshot_get(db, zName, &pSnapshot);
2472   if( rc!=SQLITE_OK ){
2473     Tcl_SetObjResult(interp, Tcl_NewStringObj(sqlite3ErrName(rc), -1));
2474     return TCL_ERROR;
2475   }else{
2476     Tcl_SetObjResult(interp,
2477         Tcl_NewByteArrayObj((unsigned char*)pSnapshot, sizeof(sqlite3_snapshot))
2478     );
2479     sqlite3_snapshot_free(pSnapshot);
2480   }
2481   return TCL_OK;
2482 }
2483 #endif /* SQLITE_ENABLE_SNAPSHOT */
2484 
2485 #ifdef SQLITE_ENABLE_SNAPSHOT
2486   /*
2487   ** Usage: sqlite3_snapshot_open_blob DB DBNAME SNAPSHOT
2488 */
2489 static int SQLITE_TCLAPI test_snapshot_open_blob(
2490   void * clientData,
2491   Tcl_Interp *interp,
2492   int objc,
2493   Tcl_Obj *CONST objv[]
2494 ){
2495   int rc;
2496   sqlite3 *db;
2497   char *zName;
2498   unsigned char *pBlob;
2499   int nBlob;
2500 
2501   if( objc!=4 ){
2502     Tcl_WrongNumArgs(interp, 1, objv, "DB DBNAME SNAPSHOT");
2503     return TCL_ERROR;
2504   }
2505   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
2506   zName = Tcl_GetString(objv[2]);
2507   pBlob = Tcl_GetByteArrayFromObj(objv[3], &nBlob);
2508   if( nBlob!=sizeof(sqlite3_snapshot) ){
2509     Tcl_AppendResult(interp, "bad SNAPSHOT", 0);
2510     return TCL_ERROR;
2511   }
2512   rc = sqlite3_snapshot_open(db, zName, (sqlite3_snapshot*)pBlob);
2513   if( rc!=SQLITE_OK ){
2514     Tcl_SetObjResult(interp, Tcl_NewStringObj(sqlite3ErrName(rc), -1));
2515     return TCL_ERROR;
2516   }
2517   return TCL_OK;
2518 }
2519 #endif /* SQLITE_ENABLE_SNAPSHOT */
2520 
2521 #ifdef SQLITE_ENABLE_SNAPSHOT
2522 /*
2523 ** Usage: sqlite3_snapshot_cmp_blob SNAPSHOT1 SNAPSHOT2
2524 */
2525 static int SQLITE_TCLAPI test_snapshot_cmp_blob(
2526   void * clientData,
2527   Tcl_Interp *interp,
2528   int objc,
2529   Tcl_Obj *CONST objv[]
2530 ){
2531   int res;
2532   unsigned char *p1;
2533   unsigned char *p2;
2534   int n1;
2535   int n2;
2536 
2537   if( objc!=3 ){
2538     Tcl_WrongNumArgs(interp, 1, objv, "SNAPSHOT1 SNAPSHOT2");
2539     return TCL_ERROR;
2540   }
2541 
2542   p1 = Tcl_GetByteArrayFromObj(objv[1], &n1);
2543   p2 = Tcl_GetByteArrayFromObj(objv[2], &n2);
2544 
2545   if( n1!=sizeof(sqlite3_snapshot) || n1!=n2 ){
2546     Tcl_AppendResult(interp, "bad SNAPSHOT", 0);
2547     return TCL_ERROR;
2548   }
2549 
2550   res = sqlite3_snapshot_cmp((sqlite3_snapshot*)p1, (sqlite3_snapshot*)p2);
2551   Tcl_SetObjResult(interp, Tcl_NewIntObj(res));
2552   return TCL_OK;
2553 }
2554 #endif /* SQLITE_ENABLE_SNAPSHOT */
2555 
2556 /*
2557 ** Usage: sqlite3_delete_database FILENAME
2558 */
2559 int sqlite3_delete_database(const char*);   /* in test_delete.c */
2560 static int SQLITE_TCLAPI test_delete_database(
2561   void * clientData,
2562   Tcl_Interp *interp,
2563   int objc,
2564   Tcl_Obj *CONST objv[]
2565 ){
2566   int rc;
2567   const char *zFile;
2568   if( objc!=2 ){
2569     Tcl_WrongNumArgs(interp, 1, objv, "FILE");
2570     return TCL_ERROR;
2571   }
2572   zFile = (const char*)Tcl_GetString(objv[1]);
2573   rc = sqlite3_delete_database(zFile);
2574 
2575   Tcl_SetObjResult(interp, Tcl_NewStringObj(sqlite3ErrName(rc), -1));
2576   return TCL_OK;
2577 }
2578 
2579 /*
2580 ** Usage: atomic_batch_write PATH
2581 */
2582 static int SQLITE_TCLAPI test_atomic_batch_write(
2583   void * clientData,
2584   Tcl_Interp *interp,
2585   int objc,
2586   Tcl_Obj *CONST objv[]
2587 ){
2588   char *zFile = 0;                /* Path to file to test */
2589   sqlite3 *db = 0;                /* Database handle */
2590   sqlite3_file *pFd = 0;          /* SQLite fd open on zFile */
2591   int bRes = 0;                   /* Integer result of this command */
2592   int dc = 0;                     /* Device-characteristics mask */
2593   int rc;                         /* sqlite3_open() return code */
2594 
2595   if( objc!=2 ){
2596     Tcl_WrongNumArgs(interp, 1, objv, "PATH");
2597     return TCL_ERROR;
2598   }
2599   zFile = Tcl_GetString(objv[1]);
2600 
2601   rc = sqlite3_open(zFile, &db);
2602   if( rc!=SQLITE_OK ){
2603     Tcl_AppendResult(interp, sqlite3_errmsg(db), 0);
2604     sqlite3_close(db);
2605     return TCL_ERROR;
2606   }
2607 
2608   rc = sqlite3_file_control(db, "main", SQLITE_FCNTL_FILE_POINTER, (void*)&pFd);
2609   dc = pFd->pMethods->xDeviceCharacteristics(pFd);
2610   if( dc & SQLITE_IOCAP_BATCH_ATOMIC ){
2611     bRes = 1;
2612   }
2613 
2614   Tcl_SetObjResult(interp, Tcl_NewIntObj(bRes));
2615   sqlite3_close(db);
2616   return TCL_OK;
2617 }
2618 
2619 /*
2620 ** Usage:  sqlite3_next_stmt  DB  STMT
2621 **
2622 ** Return the next statment in sequence after STMT.
2623 */
2624 static int SQLITE_TCLAPI test_next_stmt(
2625   void * clientData,
2626   Tcl_Interp *interp,
2627   int objc,
2628   Tcl_Obj *CONST objv[]
2629 ){
2630   sqlite3_stmt *pStmt;
2631   sqlite3 *db = 0;
2632   char zBuf[50];
2633 
2634   if( objc!=3 ){
2635     Tcl_AppendResult(interp, "wrong # args: should be \"",
2636         Tcl_GetStringFromObj(objv[0], 0), " DB STMT", 0);
2637     return TCL_ERROR;
2638   }
2639 
2640   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
2641   if( getStmtPointer(interp, Tcl_GetString(objv[2]), &pStmt) ) return TCL_ERROR;
2642   pStmt = sqlite3_next_stmt(db, pStmt);
2643   if( pStmt ){
2644     if( sqlite3TestMakePointerStr(interp, zBuf, pStmt) ) return TCL_ERROR;
2645     Tcl_AppendResult(interp, zBuf, 0);
2646   }
2647   return TCL_OK;
2648 }
2649 
2650 /*
2651 ** Usage:  sqlite3_stmt_readonly  STMT
2652 **
2653 ** Return true if STMT is a NULL pointer or a pointer to a statement
2654 ** that is guaranteed to leave the database unmodified.
2655 */
2656 static int SQLITE_TCLAPI test_stmt_readonly(
2657   void * clientData,
2658   Tcl_Interp *interp,
2659   int objc,
2660   Tcl_Obj *CONST objv[]
2661 ){
2662   sqlite3_stmt *pStmt;
2663   int rc;
2664 
2665   if( objc!=2 ){
2666     Tcl_AppendResult(interp, "wrong # args: should be \"",
2667         Tcl_GetStringFromObj(objv[0], 0), " STMT", 0);
2668     return TCL_ERROR;
2669   }
2670 
2671   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
2672   rc = sqlite3_stmt_readonly(pStmt);
2673   Tcl_SetObjResult(interp, Tcl_NewBooleanObj(rc));
2674   return TCL_OK;
2675 }
2676 
2677 /*
2678 ** Usage:  sqlite3_stmt_isexplain  STMT
2679 **
2680 ** Return 1, 2, or 0 respectively if STMT is an EXPLAIN statement, an
2681 ** EXPLAIN QUERY PLAN statement or an ordinary statement or NULL pointer.
2682 */
2683 static int SQLITE_TCLAPI test_stmt_isexplain(
2684   void * clientData,
2685   Tcl_Interp *interp,
2686   int objc,
2687   Tcl_Obj *CONST objv[]
2688 ){
2689   sqlite3_stmt *pStmt;
2690   int rc;
2691 
2692   if( objc!=2 ){
2693     Tcl_AppendResult(interp, "wrong # args: should be \"",
2694         Tcl_GetStringFromObj(objv[0], 0), " STMT", 0);
2695     return TCL_ERROR;
2696   }
2697 
2698   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
2699   rc = sqlite3_stmt_isexplain(pStmt);
2700   Tcl_SetObjResult(interp, Tcl_NewIntObj(rc));
2701   return TCL_OK;
2702 }
2703 
2704 /*
2705 ** Usage:  sqlite3_stmt_busy  STMT
2706 **
2707 ** Return true if STMT is a non-NULL pointer to a statement
2708 ** that has been stepped but not to completion.
2709 */
2710 static int SQLITE_TCLAPI test_stmt_busy(
2711   void * clientData,
2712   Tcl_Interp *interp,
2713   int objc,
2714   Tcl_Obj *CONST objv[]
2715 ){
2716   sqlite3_stmt *pStmt;
2717   int rc;
2718 
2719   if( objc!=2 ){
2720     Tcl_AppendResult(interp, "wrong # args: should be \"",
2721         Tcl_GetStringFromObj(objv[0], 0), " STMT", 0);
2722     return TCL_ERROR;
2723   }
2724 
2725   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
2726   rc = sqlite3_stmt_busy(pStmt);
2727   Tcl_SetObjResult(interp, Tcl_NewBooleanObj(rc));
2728   return TCL_OK;
2729 }
2730 
2731 /*
2732 ** Usage:  uses_stmt_journal  STMT
2733 **
2734 ** Return true if STMT uses a statement journal.
2735 */
2736 static int SQLITE_TCLAPI uses_stmt_journal(
2737   void * clientData,
2738   Tcl_Interp *interp,
2739   int objc,
2740   Tcl_Obj *CONST objv[]
2741 ){
2742   sqlite3_stmt *pStmt;
2743 
2744   if( objc!=2 ){
2745     Tcl_AppendResult(interp, "wrong # args: should be \"",
2746         Tcl_GetStringFromObj(objv[0], 0), " STMT", 0);
2747     return TCL_ERROR;
2748   }
2749 
2750   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
2751   sqlite3_stmt_readonly(pStmt);
2752   Tcl_SetObjResult(interp, Tcl_NewBooleanObj(((Vdbe *)pStmt)->usesStmtJournal));
2753   return TCL_OK;
2754 }
2755 
2756 
2757 /*
2758 ** Usage:  sqlite3_reset  STMT
2759 **
2760 ** Reset a statement handle.
2761 */
2762 static int SQLITE_TCLAPI test_reset(
2763   void * clientData,
2764   Tcl_Interp *interp,
2765   int objc,
2766   Tcl_Obj *CONST objv[]
2767 ){
2768   sqlite3_stmt *pStmt;
2769   int rc;
2770 
2771   if( objc!=2 ){
2772     Tcl_AppendResult(interp, "wrong # args: should be \"",
2773         Tcl_GetStringFromObj(objv[0], 0), " <STMT>", 0);
2774     return TCL_ERROR;
2775   }
2776 
2777   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
2778 
2779   rc = sqlite3_reset(pStmt);
2780   if( pStmt && sqlite3TestErrCode(interp, StmtToDb(pStmt), rc) ){
2781     return TCL_ERROR;
2782   }
2783   Tcl_SetResult(interp, (char *)t1ErrorName(rc), TCL_STATIC);
2784 /*
2785   if( rc ){
2786     return TCL_ERROR;
2787   }
2788 */
2789   return TCL_OK;
2790 }
2791 
2792 /*
2793 ** Usage:  sqlite3_expired STMT
2794 **
2795 ** Return TRUE if a recompilation of the statement is recommended.
2796 */
2797 static int SQLITE_TCLAPI test_expired(
2798   void * clientData,
2799   Tcl_Interp *interp,
2800   int objc,
2801   Tcl_Obj *CONST objv[]
2802 ){
2803 #ifndef SQLITE_OMIT_DEPRECATED
2804   sqlite3_stmt *pStmt;
2805   if( objc!=2 ){
2806     Tcl_AppendResult(interp, "wrong # args: should be \"",
2807         Tcl_GetStringFromObj(objv[0], 0), " <STMT>", 0);
2808     return TCL_ERROR;
2809   }
2810   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
2811   Tcl_SetObjResult(interp, Tcl_NewBooleanObj(sqlite3_expired(pStmt)));
2812 #endif
2813   return TCL_OK;
2814 }
2815 
2816 /*
2817 ** Usage:  sqlite3_transfer_bindings FROMSTMT TOSTMT
2818 **
2819 ** Transfer all bindings from FROMSTMT over to TOSTMT
2820 */
2821 static int SQLITE_TCLAPI test_transfer_bind(
2822   void * clientData,
2823   Tcl_Interp *interp,
2824   int objc,
2825   Tcl_Obj *CONST objv[]
2826 ){
2827 #ifndef SQLITE_OMIT_DEPRECATED
2828   sqlite3_stmt *pStmt1, *pStmt2;
2829   if( objc!=3 ){
2830     Tcl_AppendResult(interp, "wrong # args: should be \"",
2831         Tcl_GetStringFromObj(objv[0], 0), " FROM-STMT TO-STMT", 0);
2832     return TCL_ERROR;
2833   }
2834   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt1)) return TCL_ERROR;
2835   if( getStmtPointer(interp, Tcl_GetString(objv[2]), &pStmt2)) return TCL_ERROR;
2836   Tcl_SetObjResult(interp,
2837      Tcl_NewIntObj(sqlite3_transfer_bindings(pStmt1,pStmt2)));
2838 #endif
2839   return TCL_OK;
2840 }
2841 
2842 /*
2843 ** Usage:  sqlite3_changes DB
2844 **
2845 ** Return the number of changes made to the database by the last SQL
2846 ** execution.
2847 */
2848 static int SQLITE_TCLAPI test_changes(
2849   void * clientData,
2850   Tcl_Interp *interp,
2851   int objc,
2852   Tcl_Obj *CONST objv[]
2853 ){
2854   sqlite3 *db;
2855   if( objc!=2 ){
2856     Tcl_AppendResult(interp, "wrong # args: should be \"",
2857        Tcl_GetString(objv[0]), " DB", 0);
2858     return TCL_ERROR;
2859   }
2860   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
2861   Tcl_SetObjResult(interp, Tcl_NewIntObj(sqlite3_changes(db)));
2862   return TCL_OK;
2863 }
2864 
2865 /*
2866 ** This is the "static_bind_value" that variables are bound to when
2867 ** the FLAG option of sqlite3_bind is "static"
2868 */
2869 static char *sqlite_static_bind_value = 0;
2870 static int sqlite_static_bind_nbyte = 0;
2871 
2872 /*
2873 ** Usage:  sqlite3_bind  VM  IDX  VALUE  FLAGS
2874 **
2875 ** Sets the value of the IDX-th occurrence of "?" in the original SQL
2876 ** string.  VALUE is the new value.  If FLAGS=="null" then VALUE is
2877 ** ignored and the value is set to NULL.  If FLAGS=="static" then
2878 ** the value is set to the value of a static variable named
2879 ** "sqlite_static_bind_value".  If FLAGS=="normal" then a copy
2880 ** of the VALUE is made.  If FLAGS=="blob10" then a VALUE is ignored
2881 ** an a 10-byte blob "abc\000xyz\000pq" is inserted.
2882 */
2883 static int SQLITE_TCLAPI test_bind(
2884   void *NotUsed,
2885   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
2886   int argc,              /* Number of arguments */
2887   char **argv            /* Text of each argument */
2888 ){
2889   sqlite3_stmt *pStmt;
2890   int rc;
2891   int idx;
2892   if( argc!=5 ){
2893     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
2894        " VM IDX VALUE (null|static|normal)\"", 0);
2895     return TCL_ERROR;
2896   }
2897   if( getStmtPointer(interp, argv[1], &pStmt) ) return TCL_ERROR;
2898   if( Tcl_GetInt(interp, argv[2], &idx) ) return TCL_ERROR;
2899   if( strcmp(argv[4],"null")==0 ){
2900     rc = sqlite3_bind_null(pStmt, idx);
2901   }else if( strcmp(argv[4],"static")==0 ){
2902     rc = sqlite3_bind_text(pStmt, idx, sqlite_static_bind_value, -1, 0);
2903   }else if( strcmp(argv[4],"static-nbytes")==0 ){
2904     rc = sqlite3_bind_text(pStmt, idx, sqlite_static_bind_value,
2905                                        sqlite_static_bind_nbyte, 0);
2906   }else if( strcmp(argv[4],"normal")==0 ){
2907     rc = sqlite3_bind_text(pStmt, idx, argv[3], -1, SQLITE_TRANSIENT);
2908   }else if( strcmp(argv[4],"blob10")==0 ){
2909     rc = sqlite3_bind_text(pStmt, idx, "abc\000xyz\000pq", 10, SQLITE_STATIC);
2910   }else{
2911     Tcl_AppendResult(interp, "4th argument should be "
2912         "\"null\" or \"static\" or \"normal\"", 0);
2913     return TCL_ERROR;
2914   }
2915   if( sqlite3TestErrCode(interp, StmtToDb(pStmt), rc) ) return TCL_ERROR;
2916   if( rc ){
2917     char zBuf[50];
2918     sqlite3_snprintf(sizeof(zBuf), zBuf, "(%d) ", rc);
2919     Tcl_AppendResult(interp, zBuf, sqlite3ErrStr(rc), 0);
2920     return TCL_ERROR;
2921   }
2922   return TCL_OK;
2923 }
2924 
2925 #ifndef SQLITE_OMIT_UTF16
2926 /*
2927 ** Usage: add_test_collate <db ptr> <utf8> <utf16le> <utf16be>
2928 **
2929 ** This function is used to test that SQLite selects the correct collation
2930 ** sequence callback when multiple versions (for different text encodings)
2931 ** are available.
2932 **
2933 ** Calling this routine registers the collation sequence "test_collate"
2934 ** with database handle <db>. The second argument must be a list of three
2935 ** boolean values. If the first is true, then a version of test_collate is
2936 ** registered for UTF-8, if the second is true, a version is registered for
2937 ** UTF-16le, if the third is true, a UTF-16be version is available.
2938 ** Previous versions of test_collate are deleted.
2939 **
2940 ** The collation sequence test_collate is implemented by calling the
2941 ** following TCL script:
2942 **
2943 **   "test_collate <enc> <lhs> <rhs>"
2944 **
2945 ** The <lhs> and <rhs> are the two values being compared, encoded in UTF-8.
2946 ** The <enc> parameter is the encoding of the collation function that
2947 ** SQLite selected to call. The TCL test script implements the
2948 ** "test_collate" proc.
2949 **
2950 ** Note that this will only work with one interpreter at a time, as the
2951 ** interp pointer to use when evaluating the TCL script is stored in
2952 ** pTestCollateInterp.
2953 */
2954 static Tcl_Interp* pTestCollateInterp;
2955 static int test_collate_func(
2956   void *pCtx,
2957   int nA, const void *zA,
2958   int nB, const void *zB
2959 ){
2960   Tcl_Interp *i = pTestCollateInterp;
2961   int encin = SQLITE_PTR_TO_INT(pCtx);
2962   int res;
2963   int n;
2964 
2965   sqlite3_value *pVal;
2966   Tcl_Obj *pX;
2967 
2968   pX = Tcl_NewStringObj("test_collate", -1);
2969   Tcl_IncrRefCount(pX);
2970 
2971   switch( encin ){
2972     case SQLITE_UTF8:
2973       Tcl_ListObjAppendElement(i,pX,Tcl_NewStringObj("UTF-8",-1));
2974       break;
2975     case SQLITE_UTF16LE:
2976       Tcl_ListObjAppendElement(i,pX,Tcl_NewStringObj("UTF-16LE",-1));
2977       break;
2978     case SQLITE_UTF16BE:
2979       Tcl_ListObjAppendElement(i,pX,Tcl_NewStringObj("UTF-16BE",-1));
2980       break;
2981     default:
2982       assert(0);
2983   }
2984 
2985   sqlite3BeginBenignMalloc();
2986   pVal = sqlite3ValueNew(0);
2987   if( pVal ){
2988     sqlite3ValueSetStr(pVal, nA, zA, encin, SQLITE_STATIC);
2989     n = sqlite3_value_bytes(pVal);
2990     Tcl_ListObjAppendElement(i,pX,
2991         Tcl_NewStringObj((char*)sqlite3_value_text(pVal),n));
2992     sqlite3ValueSetStr(pVal, nB, zB, encin, SQLITE_STATIC);
2993     n = sqlite3_value_bytes(pVal);
2994     Tcl_ListObjAppendElement(i,pX,
2995         Tcl_NewStringObj((char*)sqlite3_value_text(pVal),n));
2996     sqlite3ValueFree(pVal);
2997   }
2998   sqlite3EndBenignMalloc();
2999 
3000   Tcl_EvalObjEx(i, pX, 0);
3001   Tcl_DecrRefCount(pX);
3002   Tcl_GetIntFromObj(i, Tcl_GetObjResult(i), &res);
3003   return res;
3004 }
3005 static int SQLITE_TCLAPI test_collate(
3006   void * clientData,
3007   Tcl_Interp *interp,
3008   int objc,
3009   Tcl_Obj *CONST objv[]
3010 ){
3011   sqlite3 *db;
3012   int val;
3013   sqlite3_value *pVal;
3014   int rc;
3015 
3016   if( objc!=5 ) goto bad_args;
3017   pTestCollateInterp = interp;
3018   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
3019 
3020   if( TCL_OK!=Tcl_GetBooleanFromObj(interp, objv[2], &val) ) return TCL_ERROR;
3021   rc = sqlite3_create_collation(db, "test_collate", SQLITE_UTF8,
3022           (void *)SQLITE_UTF8, val?test_collate_func:0);
3023   if( rc==SQLITE_OK ){
3024     const void *zUtf16;
3025     if( TCL_OK!=Tcl_GetBooleanFromObj(interp, objv[3], &val) ) return TCL_ERROR;
3026     rc = sqlite3_create_collation(db, "test_collate", SQLITE_UTF16LE,
3027             (void *)SQLITE_UTF16LE, val?test_collate_func:0);
3028     if( TCL_OK!=Tcl_GetBooleanFromObj(interp, objv[4], &val) ) return TCL_ERROR;
3029 
3030 #if 0
3031     if( sqlite3_iMallocFail>0 ){
3032       sqlite3_iMallocFail++;
3033     }
3034 #endif
3035     sqlite3_mutex_enter(db->mutex);
3036     pVal = sqlite3ValueNew(db);
3037     sqlite3ValueSetStr(pVal, -1, "test_collate", SQLITE_UTF8, SQLITE_STATIC);
3038     zUtf16 = sqlite3ValueText(pVal, SQLITE_UTF16NATIVE);
3039     if( db->mallocFailed ){
3040       rc = SQLITE_NOMEM;
3041     }else{
3042       rc = sqlite3_create_collation16(db, zUtf16, SQLITE_UTF16BE,
3043           (void *)SQLITE_UTF16BE, val?test_collate_func:0);
3044     }
3045     sqlite3ValueFree(pVal);
3046     sqlite3_mutex_leave(db->mutex);
3047   }
3048   if( sqlite3TestErrCode(interp, db, rc) ) return TCL_ERROR;
3049 
3050   if( rc!=SQLITE_OK ){
3051     Tcl_AppendResult(interp, sqlite3ErrName(rc), 0);
3052     return TCL_ERROR;
3053   }
3054   return TCL_OK;
3055 
3056 bad_args:
3057   Tcl_AppendResult(interp, "wrong # args: should be \"",
3058       Tcl_GetStringFromObj(objv[0], 0), " <DB> <utf8> <utf16le> <utf16be>", 0);
3059   return TCL_ERROR;
3060 }
3061 
3062 /*
3063 ** Usage: add_test_utf16bin_collate <db ptr>
3064 **
3065 ** Add a utf-16 collation sequence named "utf16bin" to the database
3066 ** handle. This collation sequence compares arguments in the same way as the
3067 ** built-in collation "binary".
3068 */
3069 static int test_utf16bin_collate_func(
3070   void *pCtx,
3071   int nA, const void *zA,
3072   int nB, const void *zB
3073 ){
3074   int nCmp = (nA>nB ? nB : nA);
3075   int res = memcmp(zA, zB, nCmp);
3076   if( res==0 ) res = nA - nB;
3077   return res;
3078 }
3079 static int SQLITE_TCLAPI test_utf16bin_collate(
3080   void * clientData,
3081   Tcl_Interp *interp,
3082   int objc,
3083   Tcl_Obj *CONST objv[]
3084 ){
3085   sqlite3 *db;
3086   int rc;
3087 
3088   if( objc!=2 ) goto bad_args;
3089   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
3090 
3091   rc = sqlite3_create_collation(db, "utf16bin", SQLITE_UTF16, 0,
3092       test_utf16bin_collate_func
3093   );
3094   if( sqlite3TestErrCode(interp, db, rc) ) return TCL_ERROR;
3095   return TCL_OK;
3096 
3097 bad_args:
3098   Tcl_WrongNumArgs(interp, 1, objv, "DB");
3099   return TCL_ERROR;
3100 }
3101 
3102 /*
3103 ** When the collation needed callback is invoked, record the name of
3104 ** the requested collating function here.  The recorded name is linked
3105 ** to a TCL variable and used to make sure that the requested collation
3106 ** name is correct.
3107 */
3108 static char zNeededCollation[200];
3109 static char *pzNeededCollation = zNeededCollation;
3110 
3111 
3112 /*
3113 ** Called when a collating sequence is needed.  Registered using
3114 ** sqlite3_collation_needed16().
3115 */
3116 static void test_collate_needed_cb(
3117   void *pCtx,
3118   sqlite3 *db,
3119   int eTextRep,
3120   const void *pName
3121 ){
3122   int enc = ENC(db);
3123   int i;
3124   char *z;
3125   for(z = (char*)pName, i=0; *z || z[1]; z++){
3126     if( *z ) zNeededCollation[i++] = *z;
3127   }
3128   zNeededCollation[i] = 0;
3129   sqlite3_create_collation(
3130       db, "test_collate", ENC(db), SQLITE_INT_TO_PTR(enc), test_collate_func);
3131 }
3132 
3133 /*
3134 ** Usage: add_test_collate_needed DB
3135 */
3136 static int SQLITE_TCLAPI test_collate_needed(
3137   void * clientData,
3138   Tcl_Interp *interp,
3139   int objc,
3140   Tcl_Obj *CONST objv[]
3141 ){
3142   sqlite3 *db;
3143   int rc;
3144 
3145   if( objc!=2 ) goto bad_args;
3146   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
3147   rc = sqlite3_collation_needed16(db, 0, test_collate_needed_cb);
3148   zNeededCollation[0] = 0;
3149   if( sqlite3TestErrCode(interp, db, rc) ) return TCL_ERROR;
3150   return TCL_OK;
3151 
3152 bad_args:
3153   Tcl_WrongNumArgs(interp, 1, objv, "DB");
3154   return TCL_ERROR;
3155 }
3156 
3157 /*
3158 ** tclcmd:   add_alignment_test_collations  DB
3159 **
3160 ** Add two new collating sequences to the database DB
3161 **
3162 **     utf16_aligned
3163 **     utf16_unaligned
3164 **
3165 ** Both collating sequences use the same sort order as BINARY.
3166 ** The only difference is that the utf16_aligned collating
3167 ** sequence is declared with the SQLITE_UTF16_ALIGNED flag.
3168 ** Both collating functions increment the unaligned utf16 counter
3169 ** whenever they see a string that begins on an odd byte boundary.
3170 */
3171 static int unaligned_string_counter = 0;
3172 static int alignmentCollFunc(
3173   void *NotUsed,
3174   int nKey1, const void *pKey1,
3175   int nKey2, const void *pKey2
3176 ){
3177   int rc, n;
3178   n = nKey1<nKey2 ? nKey1 : nKey2;
3179   if( nKey1>0 && 1==(1&(SQLITE_PTR_TO_INT(pKey1))) ) unaligned_string_counter++;
3180   if( nKey2>0 && 1==(1&(SQLITE_PTR_TO_INT(pKey2))) ) unaligned_string_counter++;
3181   rc = memcmp(pKey1, pKey2, n);
3182   if( rc==0 ){
3183     rc = nKey1 - nKey2;
3184   }
3185   return rc;
3186 }
3187 static int SQLITE_TCLAPI add_alignment_test_collations(
3188   void * clientData,
3189   Tcl_Interp *interp,
3190   int objc,
3191   Tcl_Obj *CONST objv[]
3192 ){
3193   sqlite3 *db;
3194   if( objc>=2 ){
3195     if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
3196     sqlite3_create_collation(db, "utf16_unaligned", SQLITE_UTF16,
3197         0, alignmentCollFunc);
3198     sqlite3_create_collation(db, "utf16_aligned", SQLITE_UTF16_ALIGNED,
3199         0, alignmentCollFunc);
3200   }
3201   return SQLITE_OK;
3202 }
3203 #endif /* !defined(SQLITE_OMIT_UTF16) */
3204 
3205 /*
3206 ** Usage: add_test_function <db ptr> <utf8> <utf16le> <utf16be>
3207 **
3208 ** This function is used to test that SQLite selects the correct user
3209 ** function callback when multiple versions (for different text encodings)
3210 ** are available.
3211 **
3212 ** Calling this routine registers up to three versions of the user function
3213 ** "test_function" with database handle <db>.  If the second argument is
3214 ** true, then a version of test_function is registered for UTF-8, if the
3215 ** third is true, a version is registered for UTF-16le, if the fourth is
3216 ** true, a UTF-16be version is available.  Previous versions of
3217 ** test_function are deleted.
3218 **
3219 ** The user function is implemented by calling the following TCL script:
3220 **
3221 **   "test_function <enc> <arg>"
3222 **
3223 ** Where <enc> is one of UTF-8, UTF-16LE or UTF16BE, and <arg> is the
3224 ** single argument passed to the SQL function. The value returned by
3225 ** the TCL script is used as the return value of the SQL function. It
3226 ** is passed to SQLite using UTF-16BE for a UTF-8 test_function(), UTF-8
3227 ** for a UTF-16LE test_function(), and UTF-16LE for an implementation that
3228 ** prefers UTF-16BE.
3229 */
3230 #ifndef SQLITE_OMIT_UTF16
3231 static void test_function_utf8(
3232   sqlite3_context *pCtx,
3233   int nArg,
3234   sqlite3_value **argv
3235 ){
3236   Tcl_Interp *interp;
3237   Tcl_Obj *pX;
3238   sqlite3_value *pVal;
3239   interp = (Tcl_Interp *)sqlite3_user_data(pCtx);
3240   pX = Tcl_NewStringObj("test_function", -1);
3241   Tcl_IncrRefCount(pX);
3242   Tcl_ListObjAppendElement(interp, pX, Tcl_NewStringObj("UTF-8", -1));
3243   Tcl_ListObjAppendElement(interp, pX,
3244       Tcl_NewStringObj((char*)sqlite3_value_text(argv[0]), -1));
3245   Tcl_EvalObjEx(interp, pX, 0);
3246   Tcl_DecrRefCount(pX);
3247   sqlite3_result_text(pCtx, Tcl_GetStringResult(interp), -1, SQLITE_TRANSIENT);
3248   pVal = sqlite3ValueNew(0);
3249   sqlite3ValueSetStr(pVal, -1, Tcl_GetStringResult(interp),
3250       SQLITE_UTF8, SQLITE_STATIC);
3251   sqlite3_result_text16be(pCtx, sqlite3_value_text16be(pVal),
3252       -1, SQLITE_TRANSIENT);
3253   sqlite3ValueFree(pVal);
3254 }
3255 static void test_function_utf16le(
3256   sqlite3_context *pCtx,
3257   int nArg,
3258   sqlite3_value **argv
3259 ){
3260   Tcl_Interp *interp;
3261   Tcl_Obj *pX;
3262   sqlite3_value *pVal;
3263   interp = (Tcl_Interp *)sqlite3_user_data(pCtx);
3264   pX = Tcl_NewStringObj("test_function", -1);
3265   Tcl_IncrRefCount(pX);
3266   Tcl_ListObjAppendElement(interp, pX, Tcl_NewStringObj("UTF-16LE", -1));
3267   Tcl_ListObjAppendElement(interp, pX,
3268       Tcl_NewStringObj((char*)sqlite3_value_text(argv[0]), -1));
3269   Tcl_EvalObjEx(interp, pX, 0);
3270   Tcl_DecrRefCount(pX);
3271   pVal = sqlite3ValueNew(0);
3272   sqlite3ValueSetStr(pVal, -1, Tcl_GetStringResult(interp),
3273       SQLITE_UTF8, SQLITE_STATIC);
3274   sqlite3_result_text(pCtx,(char*)sqlite3_value_text(pVal),-1,SQLITE_TRANSIENT);
3275   sqlite3ValueFree(pVal);
3276 }
3277 static void test_function_utf16be(
3278   sqlite3_context *pCtx,
3279   int nArg,
3280   sqlite3_value **argv
3281 ){
3282   Tcl_Interp *interp;
3283   Tcl_Obj *pX;
3284   sqlite3_value *pVal;
3285   interp = (Tcl_Interp *)sqlite3_user_data(pCtx);
3286   pX = Tcl_NewStringObj("test_function", -1);
3287   Tcl_IncrRefCount(pX);
3288   Tcl_ListObjAppendElement(interp, pX, Tcl_NewStringObj("UTF-16BE", -1));
3289   Tcl_ListObjAppendElement(interp, pX,
3290       Tcl_NewStringObj((char*)sqlite3_value_text(argv[0]), -1));
3291   Tcl_EvalObjEx(interp, pX, 0);
3292   Tcl_DecrRefCount(pX);
3293   pVal = sqlite3ValueNew(0);
3294   sqlite3ValueSetStr(pVal, -1, Tcl_GetStringResult(interp),
3295       SQLITE_UTF8, SQLITE_STATIC);
3296   sqlite3_result_text16(pCtx, sqlite3_value_text16le(pVal),
3297       -1, SQLITE_TRANSIENT);
3298   sqlite3_result_text16be(pCtx, sqlite3_value_text16le(pVal),
3299       -1, SQLITE_TRANSIENT);
3300   sqlite3_result_text16le(pCtx, sqlite3_value_text16le(pVal),
3301       -1, SQLITE_TRANSIENT);
3302   sqlite3ValueFree(pVal);
3303 }
3304 #endif /* SQLITE_OMIT_UTF16 */
3305 static int SQLITE_TCLAPI test_function(
3306   void * clientData,
3307   Tcl_Interp *interp,
3308   int objc,
3309   Tcl_Obj *CONST objv[]
3310 ){
3311 #ifndef SQLITE_OMIT_UTF16
3312   sqlite3 *db;
3313   int val;
3314 
3315   if( objc!=5 ) goto bad_args;
3316   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
3317 
3318   if( TCL_OK!=Tcl_GetBooleanFromObj(interp, objv[2], &val) ) return TCL_ERROR;
3319   if( val ){
3320     sqlite3_create_function(db, "test_function", 1, SQLITE_UTF8,
3321         interp, test_function_utf8, 0, 0);
3322   }
3323   if( TCL_OK!=Tcl_GetBooleanFromObj(interp, objv[3], &val) ) return TCL_ERROR;
3324   if( val ){
3325     sqlite3_create_function(db, "test_function", 1, SQLITE_UTF16LE,
3326         interp, test_function_utf16le, 0, 0);
3327   }
3328   if( TCL_OK!=Tcl_GetBooleanFromObj(interp, objv[4], &val) ) return TCL_ERROR;
3329   if( val ){
3330     sqlite3_create_function(db, "test_function", 1, SQLITE_UTF16BE,
3331         interp, test_function_utf16be, 0, 0);
3332   }
3333 
3334   return TCL_OK;
3335 bad_args:
3336   Tcl_AppendResult(interp, "wrong # args: should be \"",
3337       Tcl_GetStringFromObj(objv[0], 0), " <DB> <utf8> <utf16le> <utf16be>", 0);
3338 #endif /* SQLITE_OMIT_UTF16 */
3339   return TCL_ERROR;
3340 }
3341 
3342 /*
3343 ** Usage:         sqlite3_test_errstr <err code>
3344 **
3345 ** Test that the english language string equivalents for sqlite error codes
3346 ** are sane. The parameter is an integer representing an sqlite error code.
3347 ** The result is a list of two elements, the string representation of the
3348 ** error code and the english language explanation.
3349 */
3350 static int SQLITE_TCLAPI test_errstr(
3351   void * clientData,
3352   Tcl_Interp *interp,
3353   int objc,
3354   Tcl_Obj *CONST objv[]
3355 ){
3356   char *zCode;
3357   int i;
3358   if( objc!=1 ){
3359     Tcl_WrongNumArgs(interp, 1, objv, "<error code>");
3360   }
3361 
3362   zCode = Tcl_GetString(objv[1]);
3363   for(i=0; i<200; i++){
3364     if( 0==strcmp(t1ErrorName(i), zCode) ) break;
3365   }
3366   Tcl_SetResult(interp, (char *)sqlite3ErrStr(i), 0);
3367   return TCL_OK;
3368 }
3369 
3370 /*
3371 ** Usage:    breakpoint
3372 **
3373 ** This routine exists for one purpose - to provide a place to put a
3374 ** breakpoint with GDB that can be triggered using TCL code.  The use
3375 ** for this is when a particular test fails on (say) the 1485th iteration.
3376 ** In the TCL test script, we can add code like this:
3377 **
3378 **     if {$i==1485} breakpoint
3379 **
3380 ** Then run testfixture in the debugger and wait for the breakpoint to
3381 ** fire.  Then additional breakpoints can be set to trace down the bug.
3382 */
3383 static int SQLITE_TCLAPI test_breakpoint(
3384   void *NotUsed,
3385   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
3386   int argc,              /* Number of arguments */
3387   char **argv            /* Text of each argument */
3388 ){
3389   return TCL_OK;         /* Do nothing */
3390 }
3391 
3392 /*
3393 ** Usage:   sqlite3_bind_zeroblob  STMT IDX N
3394 **
3395 ** Test the sqlite3_bind_zeroblob interface.  STMT is a prepared statement.
3396 ** IDX is the index of a wildcard in the prepared statement.  This command
3397 ** binds a N-byte zero-filled BLOB to the wildcard.
3398 */
3399 static int SQLITE_TCLAPI test_bind_zeroblob(
3400   void * clientData,
3401   Tcl_Interp *interp,
3402   int objc,
3403   Tcl_Obj *CONST objv[]
3404 ){
3405   sqlite3_stmt *pStmt;
3406   int idx;
3407   int n;
3408   int rc;
3409 
3410   if( objc!=4 ){
3411     Tcl_WrongNumArgs(interp, 1, objv, "STMT IDX N");
3412     return TCL_ERROR;
3413   }
3414 
3415   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
3416   if( Tcl_GetIntFromObj(interp, objv[2], &idx) ) return TCL_ERROR;
3417   if( Tcl_GetIntFromObj(interp, objv[3], &n) ) return TCL_ERROR;
3418 
3419   rc = sqlite3_bind_zeroblob(pStmt, idx, n);
3420   if( sqlite3TestErrCode(interp, StmtToDb(pStmt), rc) ) return TCL_ERROR;
3421   if( rc!=SQLITE_OK ){
3422     return TCL_ERROR;
3423   }
3424 
3425   return TCL_OK;
3426 }
3427 
3428 /*
3429 ** Usage:   sqlite3_bind_zeroblob64  STMT IDX N
3430 **
3431 ** Test the sqlite3_bind_zeroblob64 interface.  STMT is a prepared statement.
3432 ** IDX is the index of a wildcard in the prepared statement.  This command
3433 ** binds a N-byte zero-filled BLOB to the wildcard.
3434 */
3435 static int SQLITE_TCLAPI test_bind_zeroblob64(
3436   void * clientData,
3437   Tcl_Interp *interp,
3438   int objc,
3439   Tcl_Obj *CONST objv[]
3440 ){
3441   sqlite3_stmt *pStmt;
3442   int idx;
3443   Tcl_WideInt n;
3444   int rc;
3445 
3446   if( objc!=4 ){
3447     Tcl_WrongNumArgs(interp, 1, objv, "STMT IDX N");
3448     return TCL_ERROR;
3449   }
3450 
3451   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
3452   if( Tcl_GetIntFromObj(interp, objv[2], &idx) ) return TCL_ERROR;
3453   if( Tcl_GetWideIntFromObj(interp, objv[3], &n) ) return TCL_ERROR;
3454 
3455   rc = sqlite3_bind_zeroblob64(pStmt, idx, n);
3456   if( sqlite3TestErrCode(interp, StmtToDb(pStmt), rc) ) return TCL_ERROR;
3457   if( rc!=SQLITE_OK ){
3458     Tcl_AppendResult(interp, sqlite3ErrName(rc), 0);
3459     return TCL_ERROR;
3460   }
3461 
3462   return TCL_OK;
3463 }
3464 
3465 /*
3466 ** Usage:   sqlite3_bind_int  STMT N VALUE
3467 **
3468 ** Test the sqlite3_bind_int interface.  STMT is a prepared statement.
3469 ** N is the index of a wildcard in the prepared statement.  This command
3470 ** binds a 32-bit integer VALUE to that wildcard.
3471 */
3472 static int SQLITE_TCLAPI test_bind_int(
3473   void * clientData,
3474   Tcl_Interp *interp,
3475   int objc,
3476   Tcl_Obj *CONST objv[]
3477 ){
3478   sqlite3_stmt *pStmt;
3479   int idx;
3480   int value;
3481   int rc;
3482 
3483   if( objc!=4 ){
3484     Tcl_AppendResult(interp, "wrong # args: should be \"",
3485         Tcl_GetStringFromObj(objv[0], 0), " STMT N VALUE", 0);
3486     return TCL_ERROR;
3487   }
3488 
3489   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
3490   if( Tcl_GetIntFromObj(interp, objv[2], &idx) ) return TCL_ERROR;
3491   if( Tcl_GetIntFromObj(interp, objv[3], &value) ) return TCL_ERROR;
3492 
3493   rc = sqlite3_bind_int(pStmt, idx, value);
3494   if( sqlite3TestErrCode(interp, StmtToDb(pStmt), rc) ) return TCL_ERROR;
3495   if( rc!=SQLITE_OK ){
3496     return TCL_ERROR;
3497   }
3498 
3499   return TCL_OK;
3500 }
3501 
3502 
3503 /*
3504 ** Usage:   intarray_addr  INT  ...
3505 **
3506 ** Return the address of a C-language array of 32-bit integers.
3507 **
3508 ** Space to hold the array is obtained from malloc().  Call this procedure once
3509 ** with no arguments in order to release memory.  Each call to this procedure
3510 ** overwrites the previous array.
3511 */
3512 static int SQLITE_TCLAPI test_intarray_addr(
3513   void * clientData,
3514   Tcl_Interp *interp,
3515   int objc,
3516   Tcl_Obj *CONST objv[]
3517 ){
3518   int i;
3519   static int *p = 0;
3520 
3521   sqlite3_free(p);
3522   p = 0;
3523   if( objc>1 ){
3524     p = sqlite3_malloc( sizeof(p[0])*(objc-1) );
3525     if( p==0 ) return TCL_ERROR;
3526     for(i=0; i<objc-1; i++){
3527       if( Tcl_GetIntFromObj(interp, objv[1+i], &p[i]) ){
3528         sqlite3_free(p);
3529         p = 0;
3530         return TCL_ERROR;
3531       }
3532     }
3533   }
3534   Tcl_SetObjResult(interp, Tcl_NewWideIntObj((sqlite3_int64)p));
3535   return TCL_OK;
3536 }
3537 /*
3538 ** Usage:   intarray_addr  INT  ...
3539 **
3540 ** Return the address of a C-language array of 32-bit integers.
3541 **
3542 ** Space to hold the array is obtained from malloc().  Call this procedure once
3543 ** with no arguments in order to release memory.  Each call to this procedure
3544 ** overwrites the previous array.
3545 */
3546 static int SQLITE_TCLAPI test_int64array_addr(
3547   void * clientData,
3548   Tcl_Interp *interp,
3549   int objc,
3550   Tcl_Obj *CONST objv[]
3551 ){
3552   int i;
3553   static sqlite3_int64 *p = 0;
3554 
3555   sqlite3_free(p);
3556   p = 0;
3557   if( objc>1 ){
3558     p = sqlite3_malloc( sizeof(p[0])*(objc-1) );
3559     if( p==0 ) return TCL_ERROR;
3560     for(i=0; i<objc-1; i++){
3561       Tcl_WideInt v;
3562       if( Tcl_GetWideIntFromObj(interp, objv[1+i], &v) ){
3563         sqlite3_free(p);
3564         p = 0;
3565         return TCL_ERROR;
3566       }
3567       p[i] = v;
3568     }
3569   }
3570   Tcl_SetObjResult(interp, Tcl_NewWideIntObj((sqlite3_int64)p));
3571   return TCL_OK;
3572 }
3573 /*
3574 ** Usage:   doublearray_addr  INT  ...
3575 **
3576 ** Return the address of a C-language array of doubles.
3577 **
3578 ** Space to hold the array is obtained from malloc().  Call this procedure once
3579 ** with no arguments in order to release memory.  Each call to this procedure
3580 ** overwrites the previous array.
3581 */
3582 static int SQLITE_TCLAPI test_doublearray_addr(
3583   void * clientData,
3584   Tcl_Interp *interp,
3585   int objc,
3586   Tcl_Obj *CONST objv[]
3587 ){
3588   int i;
3589   static double *p = 0;
3590 
3591   sqlite3_free(p);
3592   p = 0;
3593   if( objc>1 ){
3594     p = sqlite3_malloc( sizeof(p[0])*(objc-1) );
3595     if( p==0 ) return TCL_ERROR;
3596     for(i=0; i<objc-1; i++){
3597       if( Tcl_GetDoubleFromObj(interp, objv[1+i], &p[i]) ){
3598         sqlite3_free(p);
3599         p = 0;
3600         return TCL_ERROR;
3601       }
3602     }
3603   }
3604   Tcl_SetObjResult(interp, Tcl_NewWideIntObj((sqlite3_int64)p));
3605   return TCL_OK;
3606 }
3607 /*
3608 ** Usage:   textarray_addr  TEXT ...
3609 **
3610 ** Return the address of a C-language array of strings.
3611 **
3612 ** Space to hold the array is obtained from malloc().  Call this procedure once
3613 ** with no arguments in order to release memory.  Each call to this procedure
3614 ** overwrites the previous array.
3615 */
3616 static int SQLITE_TCLAPI test_textarray_addr(
3617   void * clientData,
3618   Tcl_Interp *interp,
3619   int objc,
3620   Tcl_Obj *CONST objv[]
3621 ){
3622   int i;
3623   static int n = 0;
3624   static char **p = 0;
3625 
3626   for(i=0; i<n; i++) sqlite3_free(p[i]);
3627   sqlite3_free(p);
3628   p = 0;
3629   if( objc>1 ){
3630     p = sqlite3_malloc( sizeof(p[0])*(objc-1) );
3631     if( p==0 ) return TCL_ERROR;
3632     for(i=0; i<objc-1; i++){
3633       p[i] = sqlite3_mprintf("%s", Tcl_GetString(objv[1+i]));
3634     }
3635   }
3636   n = objc-1;
3637   Tcl_SetObjResult(interp, Tcl_NewWideIntObj((sqlite3_int64)p));
3638   return TCL_OK;
3639 }
3640 
3641 
3642 /*
3643 ** Usage:   sqlite3_bind_int64  STMT N VALUE
3644 **
3645 ** Test the sqlite3_bind_int64 interface.  STMT is a prepared statement.
3646 ** N is the index of a wildcard in the prepared statement.  This command
3647 ** binds a 64-bit integer VALUE to that wildcard.
3648 */
3649 static int SQLITE_TCLAPI test_bind_int64(
3650   void * clientData,
3651   Tcl_Interp *interp,
3652   int objc,
3653   Tcl_Obj *CONST objv[]
3654 ){
3655   sqlite3_stmt *pStmt;
3656   int idx;
3657   Tcl_WideInt value;
3658   int rc;
3659 
3660   if( objc!=4 ){
3661     Tcl_AppendResult(interp, "wrong # args: should be \"",
3662         Tcl_GetStringFromObj(objv[0], 0), " STMT N VALUE", 0);
3663     return TCL_ERROR;
3664   }
3665 
3666   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
3667   if( Tcl_GetIntFromObj(interp, objv[2], &idx) ) return TCL_ERROR;
3668   if( Tcl_GetWideIntFromObj(interp, objv[3], &value) ) return TCL_ERROR;
3669 
3670   rc = sqlite3_bind_int64(pStmt, idx, value);
3671   if( sqlite3TestErrCode(interp, StmtToDb(pStmt), rc) ) return TCL_ERROR;
3672   if( rc!=SQLITE_OK ){
3673     return TCL_ERROR;
3674   }
3675 
3676   return TCL_OK;
3677 }
3678 
3679 
3680 /*
3681 ** Usage:   sqlite3_bind_double  STMT N VALUE
3682 **
3683 ** Test the sqlite3_bind_double interface.  STMT is a prepared statement.
3684 ** N is the index of a wildcard in the prepared statement.  This command
3685 ** binds a 64-bit integer VALUE to that wildcard.
3686 */
3687 static int SQLITE_TCLAPI test_bind_double(
3688   void * clientData,
3689   Tcl_Interp *interp,
3690   int objc,
3691   Tcl_Obj *CONST objv[]
3692 ){
3693   sqlite3_stmt *pStmt;
3694   int idx;
3695   double value = 0;
3696   int rc;
3697   const char *zVal;
3698   int i;
3699   static const struct {
3700     const char *zName;     /* Name of the special floating point value */
3701     unsigned int iUpper;   /* Upper 32 bits */
3702     unsigned int iLower;   /* Lower 32 bits */
3703   } aSpecialFp[] = {
3704     {  "NaN",      0x7fffffff, 0xffffffff },
3705     {  "SNaN",     0x7ff7ffff, 0xffffffff },
3706     {  "-NaN",     0xffffffff, 0xffffffff },
3707     {  "-SNaN",    0xfff7ffff, 0xffffffff },
3708     {  "+Inf",     0x7ff00000, 0x00000000 },
3709     {  "-Inf",     0xfff00000, 0x00000000 },
3710     {  "Epsilon",  0x00000000, 0x00000001 },
3711     {  "-Epsilon", 0x80000000, 0x00000001 },
3712     {  "NaN0",     0x7ff80000, 0x00000000 },
3713     {  "-NaN0",    0xfff80000, 0x00000000 },
3714   };
3715 
3716   if( objc!=4 ){
3717     Tcl_AppendResult(interp, "wrong # args: should be \"",
3718         Tcl_GetStringFromObj(objv[0], 0), " STMT N VALUE", 0);
3719     return TCL_ERROR;
3720   }
3721 
3722   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
3723   if( Tcl_GetIntFromObj(interp, objv[2], &idx) ) return TCL_ERROR;
3724 
3725   /* Intercept the string "NaN" and generate a NaN value for it.
3726   ** All other strings are passed through to Tcl_GetDoubleFromObj().
3727   ** Tcl_GetDoubleFromObj() should understand "NaN" but some versions
3728   ** contain a bug.
3729   */
3730   zVal = Tcl_GetString(objv[3]);
3731   for(i=0; i<sizeof(aSpecialFp)/sizeof(aSpecialFp[0]); i++){
3732     if( strcmp(aSpecialFp[i].zName, zVal)==0 ){
3733       sqlite3_uint64 x;
3734       x = aSpecialFp[i].iUpper;
3735       x <<= 32;
3736       x |= aSpecialFp[i].iLower;
3737       assert( sizeof(value)==8 );
3738       assert( sizeof(x)==8 );
3739       memcpy(&value, &x, 8);
3740       break;
3741     }
3742   }
3743   if( i>=sizeof(aSpecialFp)/sizeof(aSpecialFp[0]) &&
3744          Tcl_GetDoubleFromObj(interp, objv[3], &value) ){
3745     return TCL_ERROR;
3746   }
3747   rc = sqlite3_bind_double(pStmt, idx, value);
3748   if( sqlite3TestErrCode(interp, StmtToDb(pStmt), rc) ) return TCL_ERROR;
3749   if( rc!=SQLITE_OK ){
3750     return TCL_ERROR;
3751   }
3752 
3753   return TCL_OK;
3754 }
3755 
3756 /*
3757 ** Usage:   sqlite3_bind_null  STMT N
3758 **
3759 ** Test the sqlite3_bind_null interface.  STMT is a prepared statement.
3760 ** N is the index of a wildcard in the prepared statement.  This command
3761 ** binds a NULL to the wildcard.
3762 */
3763 static int SQLITE_TCLAPI test_bind_null(
3764   void * clientData,
3765   Tcl_Interp *interp,
3766   int objc,
3767   Tcl_Obj *CONST objv[]
3768 ){
3769   sqlite3_stmt *pStmt;
3770   int idx;
3771   int rc;
3772 
3773   if( objc!=3 ){
3774     Tcl_AppendResult(interp, "wrong # args: should be \"",
3775         Tcl_GetStringFromObj(objv[0], 0), " STMT N", 0);
3776     return TCL_ERROR;
3777   }
3778 
3779   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
3780   if( Tcl_GetIntFromObj(interp, objv[2], &idx) ) return TCL_ERROR;
3781 
3782   rc = sqlite3_bind_null(pStmt, idx);
3783   if( sqlite3TestErrCode(interp, StmtToDb(pStmt), rc) ) return TCL_ERROR;
3784   if( rc!=SQLITE_OK ){
3785     return TCL_ERROR;
3786   }
3787 
3788   return TCL_OK;
3789 }
3790 
3791 /*
3792 ** Usage:   sqlite3_bind_text  STMT N STRING BYTES
3793 **
3794 ** Test the sqlite3_bind_text interface.  STMT is a prepared statement.
3795 ** N is the index of a wildcard in the prepared statement.  This command
3796 ** binds a UTF-8 string STRING to the wildcard.  The string is BYTES bytes
3797 ** long.
3798 */
3799 static int SQLITE_TCLAPI test_bind_text(
3800   void * clientData,
3801   Tcl_Interp *interp,
3802   int objc,
3803   Tcl_Obj *CONST objv[]
3804 ){
3805   sqlite3_stmt *pStmt;
3806   int idx;
3807   int bytes;
3808   char *value;
3809   int rc;
3810 
3811   if( objc!=5 ){
3812     Tcl_AppendResult(interp, "wrong # args: should be \"",
3813         Tcl_GetStringFromObj(objv[0], 0), " STMT N VALUE BYTES", 0);
3814     return TCL_ERROR;
3815   }
3816 
3817   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
3818   if( Tcl_GetIntFromObj(interp, objv[2], &idx) ) return TCL_ERROR;
3819   value = (char*)Tcl_GetByteArrayFromObj(objv[3], &bytes);
3820   if( Tcl_GetIntFromObj(interp, objv[4], &bytes) ) return TCL_ERROR;
3821 
3822   rc = sqlite3_bind_text(pStmt, idx, value, bytes, SQLITE_TRANSIENT);
3823   if( sqlite3TestErrCode(interp, StmtToDb(pStmt), rc) ) return TCL_ERROR;
3824   if( rc!=SQLITE_OK ){
3825     Tcl_AppendResult(interp, sqlite3ErrName(rc), 0);
3826     return TCL_ERROR;
3827   }
3828 
3829   return TCL_OK;
3830 }
3831 
3832 /*
3833 ** Usage:   sqlite3_bind_text16 ?-static? STMT N STRING BYTES
3834 **
3835 ** Test the sqlite3_bind_text16 interface.  STMT is a prepared statement.
3836 ** N is the index of a wildcard in the prepared statement.  This command
3837 ** binds a UTF-16 string STRING to the wildcard.  The string is BYTES bytes
3838 ** long.
3839 */
3840 static int SQLITE_TCLAPI test_bind_text16(
3841   void * clientData,
3842   Tcl_Interp *interp,
3843   int objc,
3844   Tcl_Obj *CONST objv[]
3845 ){
3846 #ifndef SQLITE_OMIT_UTF16
3847   sqlite3_stmt *pStmt;
3848   int idx;
3849   int bytes;
3850   char *value;
3851   int rc;
3852 
3853   void (*xDel)(void*) = (objc==6?SQLITE_STATIC:SQLITE_TRANSIENT);
3854   Tcl_Obj *oStmt    = objv[objc-4];
3855   Tcl_Obj *oN       = objv[objc-3];
3856   Tcl_Obj *oString  = objv[objc-2];
3857   Tcl_Obj *oBytes   = objv[objc-1];
3858 
3859   if( objc!=5 && objc!=6){
3860     Tcl_AppendResult(interp, "wrong # args: should be \"",
3861         Tcl_GetStringFromObj(objv[0], 0), " STMT N VALUE BYTES", 0);
3862     return TCL_ERROR;
3863   }
3864 
3865   if( getStmtPointer(interp, Tcl_GetString(oStmt), &pStmt) ) return TCL_ERROR;
3866   if( Tcl_GetIntFromObj(interp, oN, &idx) ) return TCL_ERROR;
3867   value = (char*)Tcl_GetByteArrayFromObj(oString, 0);
3868   if( Tcl_GetIntFromObj(interp, oBytes, &bytes) ) return TCL_ERROR;
3869 
3870   rc = sqlite3_bind_text16(pStmt, idx, (void *)value, bytes, xDel);
3871   if( sqlite3TestErrCode(interp, StmtToDb(pStmt), rc) ) return TCL_ERROR;
3872   if( rc!=SQLITE_OK ){
3873     Tcl_AppendResult(interp, sqlite3ErrName(rc), 0);
3874     return TCL_ERROR;
3875   }
3876 
3877 #endif /* SQLITE_OMIT_UTF16 */
3878   return TCL_OK;
3879 }
3880 
3881 /*
3882 ** Usage:   sqlite3_bind_blob ?-static? STMT N DATA BYTES
3883 **
3884 ** Test the sqlite3_bind_blob interface.  STMT is a prepared statement.
3885 ** N is the index of a wildcard in the prepared statement.  This command
3886 ** binds a BLOB to the wildcard.  The BLOB is BYTES bytes in size.
3887 */
3888 static int SQLITE_TCLAPI test_bind_blob(
3889   void * clientData,
3890   Tcl_Interp *interp,
3891   int objc,
3892   Tcl_Obj *CONST objv[]
3893 ){
3894   sqlite3_stmt *pStmt;
3895   int len, idx;
3896   int bytes;
3897   char *value;
3898   int rc;
3899   sqlite3_destructor_type xDestructor = SQLITE_TRANSIENT;
3900 
3901   if( objc!=5 && objc!=6 ){
3902     Tcl_AppendResult(interp, "wrong # args: should be \"",
3903         Tcl_GetStringFromObj(objv[0], 0), " STMT N DATA BYTES", 0);
3904     return TCL_ERROR;
3905   }
3906 
3907   if( objc==6 ){
3908     xDestructor = SQLITE_STATIC;
3909     objv++;
3910   }
3911 
3912   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
3913   if( Tcl_GetIntFromObj(interp, objv[2], &idx) ) return TCL_ERROR;
3914 
3915   value = (char*)Tcl_GetByteArrayFromObj(objv[3], &len);
3916   if( Tcl_GetIntFromObj(interp, objv[4], &bytes) ) return TCL_ERROR;
3917 
3918   if( bytes>len ){
3919     char zBuf[200];
3920     sqlite3_snprintf(sizeof(zBuf), zBuf,
3921                      "cannot use %d blob bytes, have %d", bytes, len);
3922     Tcl_AppendResult(interp, zBuf, -1);
3923     return TCL_ERROR;
3924   }
3925 
3926   rc = sqlite3_bind_blob(pStmt, idx, value, bytes, xDestructor);
3927   if( sqlite3TestErrCode(interp, StmtToDb(pStmt), rc) ) return TCL_ERROR;
3928   if( rc!=SQLITE_OK ){
3929     return TCL_ERROR;
3930   }
3931 
3932   return TCL_OK;
3933 }
3934 
3935 /*
3936 ** Usage:   sqlite3_bind_parameter_count  STMT
3937 **
3938 ** Return the number of wildcards in the given statement.
3939 */
3940 static int SQLITE_TCLAPI test_bind_parameter_count(
3941   void * clientData,
3942   Tcl_Interp *interp,
3943   int objc,
3944   Tcl_Obj *CONST objv[]
3945 ){
3946   sqlite3_stmt *pStmt;
3947 
3948   if( objc!=2 ){
3949     Tcl_WrongNumArgs(interp, 1, objv, "STMT");
3950     return TCL_ERROR;
3951   }
3952   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
3953   Tcl_SetObjResult(interp, Tcl_NewIntObj(sqlite3_bind_parameter_count(pStmt)));
3954   return TCL_OK;
3955 }
3956 
3957 /*
3958 ** Usage:   sqlite3_bind_parameter_name  STMT  N
3959 **
3960 ** Return the name of the Nth wildcard.  The first wildcard is 1.
3961 ** An empty string is returned if N is out of range or if the wildcard
3962 ** is nameless.
3963 */
3964 static int SQLITE_TCLAPI test_bind_parameter_name(
3965   void * clientData,
3966   Tcl_Interp *interp,
3967   int objc,
3968   Tcl_Obj *CONST objv[]
3969 ){
3970   sqlite3_stmt *pStmt;
3971   int i;
3972 
3973   if( objc!=3 ){
3974     Tcl_WrongNumArgs(interp, 1, objv, "STMT N");
3975     return TCL_ERROR;
3976   }
3977   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
3978   if( Tcl_GetIntFromObj(interp, objv[2], &i) ) return TCL_ERROR;
3979   Tcl_SetObjResult(interp,
3980      Tcl_NewStringObj(sqlite3_bind_parameter_name(pStmt,i),-1)
3981   );
3982   return TCL_OK;
3983 }
3984 
3985 /*
3986 ** Usage:   sqlite3_bind_parameter_index  STMT  NAME
3987 **
3988 ** Return the index of the wildcard called NAME.  Return 0 if there is
3989 ** no such wildcard.
3990 */
3991 static int SQLITE_TCLAPI test_bind_parameter_index(
3992   void * clientData,
3993   Tcl_Interp *interp,
3994   int objc,
3995   Tcl_Obj *CONST objv[]
3996 ){
3997   sqlite3_stmt *pStmt;
3998 
3999   if( objc!=3 ){
4000     Tcl_WrongNumArgs(interp, 1, objv, "STMT NAME");
4001     return TCL_ERROR;
4002   }
4003   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
4004   Tcl_SetObjResult(interp,
4005      Tcl_NewIntObj(
4006        sqlite3_bind_parameter_index(pStmt,Tcl_GetString(objv[2]))
4007      )
4008   );
4009   return TCL_OK;
4010 }
4011 
4012 /*
4013 ** Usage:   sqlite3_clear_bindings STMT
4014 **
4015 */
4016 static int SQLITE_TCLAPI test_clear_bindings(
4017   void * clientData,
4018   Tcl_Interp *interp,
4019   int objc,
4020   Tcl_Obj *CONST objv[]
4021 ){
4022   sqlite3_stmt *pStmt;
4023 
4024   if( objc!=2 ){
4025     Tcl_WrongNumArgs(interp, 1, objv, "STMT");
4026     return TCL_ERROR;
4027   }
4028   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
4029   Tcl_SetObjResult(interp, Tcl_NewIntObj(sqlite3_clear_bindings(pStmt)));
4030   return TCL_OK;
4031 }
4032 
4033 /*
4034 ** Usage:   sqlite3_sleep MILLISECONDS
4035 */
4036 static int SQLITE_TCLAPI test_sleep(
4037   void * clientData,
4038   Tcl_Interp *interp,
4039   int objc,
4040   Tcl_Obj *CONST objv[]
4041 ){
4042   int ms;
4043 
4044   if( objc!=2 ){
4045     Tcl_WrongNumArgs(interp, 1, objv, "MILLISECONDS");
4046     return TCL_ERROR;
4047   }
4048   if( Tcl_GetIntFromObj(interp, objv[1], &ms) ){
4049     return TCL_ERROR;
4050   }
4051   Tcl_SetObjResult(interp, Tcl_NewIntObj(sqlite3_sleep(ms)));
4052   return TCL_OK;
4053 }
4054 
4055 /*
4056 ** Usage: sqlite3_extended_errcode DB
4057 **
4058 ** Return the string representation of the most recent sqlite3_* API
4059 ** error code. e.g. "SQLITE_ERROR".
4060 */
4061 static int SQLITE_TCLAPI test_ex_errcode(
4062   void * clientData,
4063   Tcl_Interp *interp,
4064   int objc,
4065   Tcl_Obj *CONST objv[]
4066 ){
4067   sqlite3 *db;
4068   int rc;
4069 
4070   if( objc!=2 ){
4071     Tcl_AppendResult(interp, "wrong # args: should be \"",
4072        Tcl_GetString(objv[0]), " DB", 0);
4073     return TCL_ERROR;
4074   }
4075   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
4076   rc = sqlite3_extended_errcode(db);
4077   Tcl_AppendResult(interp, (char *)t1ErrorName(rc), 0);
4078   return TCL_OK;
4079 }
4080 
4081 
4082 /*
4083 ** Usage: sqlite3_errcode DB
4084 **
4085 ** Return the string representation of the most recent sqlite3_* API
4086 ** error code. e.g. "SQLITE_ERROR".
4087 */
4088 static int SQLITE_TCLAPI test_errcode(
4089   void * clientData,
4090   Tcl_Interp *interp,
4091   int objc,
4092   Tcl_Obj *CONST objv[]
4093 ){
4094   sqlite3 *db;
4095   int rc;
4096 
4097   if( objc!=2 ){
4098     Tcl_AppendResult(interp, "wrong # args: should be \"",
4099        Tcl_GetString(objv[0]), " DB", 0);
4100     return TCL_ERROR;
4101   }
4102   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
4103   rc = sqlite3_errcode(db);
4104   Tcl_AppendResult(interp, (char *)t1ErrorName(rc), 0);
4105   return TCL_OK;
4106 }
4107 
4108 /*
4109 ** Usage:   sqlite3_errmsg DB
4110 **
4111 ** Returns the UTF-8 representation of the error message string for the
4112 ** most recent sqlite3_* API call.
4113 */
4114 static int SQLITE_TCLAPI test_errmsg(
4115   void * clientData,
4116   Tcl_Interp *interp,
4117   int objc,
4118   Tcl_Obj *CONST objv[]
4119 ){
4120   sqlite3 *db;
4121   const char *zErr;
4122 
4123   if( objc!=2 ){
4124     Tcl_AppendResult(interp, "wrong # args: should be \"",
4125        Tcl_GetString(objv[0]), " DB", 0);
4126     return TCL_ERROR;
4127   }
4128   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
4129 
4130   zErr = sqlite3_errmsg(db);
4131   Tcl_SetObjResult(interp, Tcl_NewStringObj(zErr, -1));
4132   return TCL_OK;
4133 }
4134 
4135 /*
4136 ** Usage:   test_errmsg16 DB
4137 **
4138 ** Returns the UTF-16 representation of the error message string for the
4139 ** most recent sqlite3_* API call. This is a byte array object at the TCL
4140 ** level, and it includes the 0x00 0x00 terminator bytes at the end of the
4141 ** UTF-16 string.
4142 */
4143 static int SQLITE_TCLAPI test_errmsg16(
4144   void * clientData,
4145   Tcl_Interp *interp,
4146   int objc,
4147   Tcl_Obj *CONST objv[]
4148 ){
4149 #ifndef SQLITE_OMIT_UTF16
4150   sqlite3 *db;
4151   const void *zErr;
4152   const char *z;
4153   int bytes = 0;
4154 
4155   if( objc!=2 ){
4156     Tcl_AppendResult(interp, "wrong # args: should be \"",
4157        Tcl_GetString(objv[0]), " DB", 0);
4158     return TCL_ERROR;
4159   }
4160   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
4161 
4162   zErr = sqlite3_errmsg16(db);
4163   if( zErr ){
4164     z = zErr;
4165     for(bytes=0; z[bytes] || z[bytes+1]; bytes+=2){}
4166   }
4167   Tcl_SetObjResult(interp, Tcl_NewByteArrayObj(zErr, bytes));
4168 #endif /* SQLITE_OMIT_UTF16 */
4169   return TCL_OK;
4170 }
4171 
4172 /*
4173 ** Usage: sqlite3_prepare DB sql bytes ?tailvar?
4174 **
4175 ** Compile up to <bytes> bytes of the supplied SQL string <sql> using
4176 ** database handle <DB>. The parameter <tailval> is the name of a global
4177 ** variable that is set to the unused portion of <sql> (if any). A
4178 ** STMT handle is returned.
4179 */
4180 static int SQLITE_TCLAPI test_prepare(
4181   void * clientData,
4182   Tcl_Interp *interp,
4183   int objc,
4184   Tcl_Obj *CONST objv[]
4185 ){
4186   sqlite3 *db;
4187   const char *zSql;
4188   int bytes;
4189   const char *zTail = 0;
4190   sqlite3_stmt *pStmt = 0;
4191   char zBuf[50];
4192   int rc;
4193 
4194   if( objc!=5 && objc!=4 ){
4195     Tcl_AppendResult(interp, "wrong # args: should be \"",
4196        Tcl_GetString(objv[0]), " DB sql bytes ?tailvar?", 0);
4197     return TCL_ERROR;
4198   }
4199   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
4200   zSql = Tcl_GetString(objv[2]);
4201   if( Tcl_GetIntFromObj(interp, objv[3], &bytes) ) return TCL_ERROR;
4202 
4203   rc = sqlite3_prepare(db, zSql, bytes, &pStmt, objc>=5 ? &zTail : 0);
4204   Tcl_ResetResult(interp);
4205   if( sqlite3TestErrCode(interp, db, rc) ) return TCL_ERROR;
4206   if( zTail && objc>=5 ){
4207     if( bytes>=0 ){
4208       bytes = bytes - (int)(zTail-zSql);
4209     }
4210     if( (int)strlen(zTail)<bytes ){
4211       bytes = (int)strlen(zTail);
4212     }
4213     Tcl_ObjSetVar2(interp, objv[4], 0, Tcl_NewStringObj(zTail, bytes), 0);
4214   }
4215   if( rc!=SQLITE_OK ){
4216     assert( pStmt==0 );
4217     sqlite3_snprintf(sizeof(zBuf), zBuf, "(%d) ", rc);
4218     Tcl_AppendResult(interp, zBuf, sqlite3_errmsg(db), 0);
4219     return TCL_ERROR;
4220   }
4221 
4222   if( pStmt ){
4223     if( sqlite3TestMakePointerStr(interp, zBuf, pStmt) ) return TCL_ERROR;
4224     Tcl_AppendResult(interp, zBuf, 0);
4225   }
4226   return TCL_OK;
4227 }
4228 
4229 /*
4230 ** Usage: sqlite3_prepare_v2 DB sql bytes ?tailvar?
4231 **
4232 ** Compile up to <bytes> bytes of the supplied SQL string <sql> using
4233 ** database handle <DB>. The parameter <tailval> is the name of a global
4234 ** variable that is set to the unused portion of <sql> (if any). A
4235 ** STMT handle is returned.
4236 */
4237 static int SQLITE_TCLAPI test_prepare_v2(
4238   void * clientData,
4239   Tcl_Interp *interp,
4240   int objc,
4241   Tcl_Obj *CONST objv[]
4242 ){
4243   sqlite3 *db;
4244   const char *zSql;
4245   char *zCopy = 0;                /* malloc() copy of zSql */
4246   int bytes;
4247   const char *zTail = 0;
4248   const char **pzTail;
4249   sqlite3_stmt *pStmt = 0;
4250   char zBuf[50];
4251   int rc;
4252 
4253   if( objc!=5 && objc!=4 ){
4254     Tcl_AppendResult(interp, "wrong # args: should be \"",
4255        Tcl_GetString(objv[0]), " DB sql bytes tailvar", 0);
4256     return TCL_ERROR;
4257   }
4258   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
4259   zSql = Tcl_GetString(objv[2]);
4260   if( Tcl_GetIntFromObj(interp, objv[3], &bytes) ) return TCL_ERROR;
4261 
4262   /* Instead of using zSql directly, make a copy into a buffer obtained
4263   ** directly from malloc(). The idea is to make it easier for valgrind
4264   ** to spot buffer overreads.  */
4265   if( bytes>=0 ){
4266     zCopy = malloc(bytes);
4267     memcpy(zCopy, zSql, bytes);
4268   }else{
4269     int n = (int)strlen(zSql) + 1;
4270     zCopy = malloc(n);
4271     memcpy(zCopy, zSql, n);
4272   }
4273   pzTail = objc>=5 ? &zTail : 0;
4274   rc = sqlite3_prepare_v2(db, zCopy, bytes, &pStmt, pzTail);
4275   free(zCopy);
4276   zTail = &zSql[(zTail - zCopy)];
4277 
4278   assert(rc==SQLITE_OK || pStmt==0);
4279   Tcl_ResetResult(interp);
4280   if( sqlite3TestErrCode(interp, db, rc) ) return TCL_ERROR;
4281   if( rc==SQLITE_OK && zTail && objc>=5 ){
4282     if( bytes>=0 ){
4283       bytes = bytes - (int)(zTail-zSql);
4284     }
4285     Tcl_ObjSetVar2(interp, objv[4], 0, Tcl_NewStringObj(zTail, bytes), 0);
4286   }
4287   if( rc!=SQLITE_OK ){
4288     assert( pStmt==0 );
4289     sqlite3_snprintf(sizeof(zBuf), zBuf, "(%d) ", rc);
4290     Tcl_AppendResult(interp, zBuf, sqlite3_errmsg(db), 0);
4291     return TCL_ERROR;
4292   }
4293 
4294   if( pStmt ){
4295     if( sqlite3TestMakePointerStr(interp, zBuf, pStmt) ) return TCL_ERROR;
4296     Tcl_AppendResult(interp, zBuf, 0);
4297   }
4298   return TCL_OK;
4299 }
4300 
4301 /*
4302 ** Usage: sqlite3_prepare_v3 DB sql bytes flags ?tailvar?
4303 **
4304 ** Compile up to <bytes> bytes of the supplied SQL string <sql> using
4305 ** database handle <DB> and flags <flags>. The parameter <tailval> is
4306 ** the name of a global variable that is set to the unused portion of
4307 ** <sql> (if any). A STMT handle is returned.
4308 */
4309 static int SQLITE_TCLAPI test_prepare_v3(
4310   void * clientData,
4311   Tcl_Interp *interp,
4312   int objc,
4313   Tcl_Obj *CONST objv[]
4314 ){
4315   sqlite3 *db;
4316   const char *zSql;
4317   char *zCopy = 0;                /* malloc() copy of zSql */
4318   int bytes, flags;
4319   const char *zTail = 0;
4320   const char **pzTail;
4321   sqlite3_stmt *pStmt = 0;
4322   char zBuf[50];
4323   int rc;
4324 
4325   if( objc!=6 && objc!=5 ){
4326     Tcl_AppendResult(interp, "wrong # args: should be \"",
4327        Tcl_GetString(objv[0]), " DB sql bytes flags tailvar", 0);
4328     return TCL_ERROR;
4329   }
4330   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
4331   zSql = Tcl_GetString(objv[2]);
4332   if( Tcl_GetIntFromObj(interp, objv[3], &bytes) ) return TCL_ERROR;
4333   if( Tcl_GetIntFromObj(interp, objv[4], &flags) ) return TCL_ERROR;
4334 
4335   /* Instead of using zSql directly, make a copy into a buffer obtained
4336   ** directly from malloc(). The idea is to make it easier for valgrind
4337   ** to spot buffer overreads.  */
4338   if( bytes>=0 ){
4339     zCopy = malloc(bytes);
4340     memcpy(zCopy, zSql, bytes);
4341   }else{
4342     int n = (int)strlen(zSql) + 1;
4343     zCopy = malloc(n);
4344     memcpy(zCopy, zSql, n);
4345   }
4346   pzTail = objc>=6 ? &zTail : 0;
4347   rc = sqlite3_prepare_v3(db, zCopy, bytes, (unsigned int)flags,&pStmt,pzTail);
4348   free(zCopy);
4349   zTail = &zSql[(zTail - zCopy)];
4350 
4351   assert(rc==SQLITE_OK || pStmt==0);
4352   Tcl_ResetResult(interp);
4353   if( sqlite3TestErrCode(interp, db, rc) ) return TCL_ERROR;
4354   if( rc==SQLITE_OK && zTail && objc>=6 ){
4355     if( bytes>=0 ){
4356       bytes = bytes - (int)(zTail-zSql);
4357     }
4358     Tcl_ObjSetVar2(interp, objv[5], 0, Tcl_NewStringObj(zTail, bytes), 0);
4359   }
4360   if( rc!=SQLITE_OK ){
4361     assert( pStmt==0 );
4362     sqlite3_snprintf(sizeof(zBuf), zBuf, "(%d) ", rc);
4363     Tcl_AppendResult(interp, zBuf, sqlite3_errmsg(db), 0);
4364     return TCL_ERROR;
4365   }
4366 
4367   if( pStmt ){
4368     if( sqlite3TestMakePointerStr(interp, zBuf, pStmt) ) return TCL_ERROR;
4369     Tcl_AppendResult(interp, zBuf, 0);
4370   }
4371   return TCL_OK;
4372 }
4373 
4374 /*
4375 ** Usage: sqlite3_prepare_tkt3134 DB
4376 **
4377 ** Generate a prepared statement for a zero-byte string as a test
4378 ** for ticket #3134.  The string should be preceded by a zero byte.
4379 */
4380 static int SQLITE_TCLAPI test_prepare_tkt3134(
4381   void * clientData,
4382   Tcl_Interp *interp,
4383   int objc,
4384   Tcl_Obj *CONST objv[]
4385 ){
4386   sqlite3 *db;
4387   static const char zSql[] = "\000SELECT 1";
4388   sqlite3_stmt *pStmt = 0;
4389   char zBuf[50];
4390   int rc;
4391 
4392   if( objc!=2 ){
4393     Tcl_AppendResult(interp, "wrong # args: should be \"",
4394        Tcl_GetString(objv[0]), " DB sql bytes tailvar", 0);
4395     return TCL_ERROR;
4396   }
4397   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
4398   rc = sqlite3_prepare_v2(db, &zSql[1], 0, &pStmt, 0);
4399   assert(rc==SQLITE_OK || pStmt==0);
4400   if( sqlite3TestErrCode(interp, db, rc) ) return TCL_ERROR;
4401   if( rc!=SQLITE_OK ){
4402     assert( pStmt==0 );
4403     sqlite3_snprintf(sizeof(zBuf), zBuf, "(%d) ", rc);
4404     Tcl_AppendResult(interp, zBuf, sqlite3_errmsg(db), 0);
4405     return TCL_ERROR;
4406   }
4407 
4408   if( pStmt ){
4409     if( sqlite3TestMakePointerStr(interp, zBuf, pStmt) ) return TCL_ERROR;
4410     Tcl_AppendResult(interp, zBuf, 0);
4411   }
4412   return TCL_OK;
4413 }
4414 
4415 /*
4416 ** Usage: sqlite3_prepare16 DB sql bytes tailvar
4417 **
4418 ** Compile up to <bytes> bytes of the supplied SQL string <sql> using
4419 ** database handle <DB>. The parameter <tailval> is the name of a global
4420 ** variable that is set to the unused portion of <sql> (if any). A
4421 ** STMT handle is returned.
4422 */
4423 static int SQLITE_TCLAPI test_prepare16(
4424   void * clientData,
4425   Tcl_Interp *interp,
4426   int objc,
4427   Tcl_Obj *CONST objv[]
4428 ){
4429 #ifndef SQLITE_OMIT_UTF16
4430   sqlite3 *db;
4431   const void *zSql;
4432   const void *zTail = 0;
4433   Tcl_Obj *pTail = 0;
4434   sqlite3_stmt *pStmt = 0;
4435   char zBuf[50];
4436   int rc;
4437   int bytes;                /* The integer specified as arg 3 */
4438   int objlen;               /* The byte-array length of arg 2 */
4439 
4440   if( objc!=5 && objc!=4 ){
4441     Tcl_AppendResult(interp, "wrong # args: should be \"",
4442        Tcl_GetString(objv[0]), " DB sql bytes ?tailvar?", 0);
4443     return TCL_ERROR;
4444   }
4445   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
4446   zSql = Tcl_GetByteArrayFromObj(objv[2], &objlen);
4447   if( Tcl_GetIntFromObj(interp, objv[3], &bytes) ) return TCL_ERROR;
4448 
4449   rc = sqlite3_prepare16(db, zSql, bytes, &pStmt, objc>=5 ? &zTail : 0);
4450   if( sqlite3TestErrCode(interp, db, rc) ) return TCL_ERROR;
4451   if( rc ){
4452     return TCL_ERROR;
4453   }
4454 
4455   if( objc>=5 ){
4456     if( zTail ){
4457       objlen = objlen - (int)((u8 *)zTail-(u8 *)zSql);
4458     }else{
4459       objlen = 0;
4460     }
4461     pTail = Tcl_NewByteArrayObj((u8 *)zTail, objlen);
4462     Tcl_IncrRefCount(pTail);
4463     Tcl_ObjSetVar2(interp, objv[4], 0, pTail, 0);
4464     Tcl_DecrRefCount(pTail);
4465   }
4466 
4467   if( pStmt ){
4468     if( sqlite3TestMakePointerStr(interp, zBuf, pStmt) ) return TCL_ERROR;
4469   }
4470   Tcl_AppendResult(interp, zBuf, 0);
4471 #endif /* SQLITE_OMIT_UTF16 */
4472   return TCL_OK;
4473 }
4474 
4475 /*
4476 ** Usage: sqlite3_prepare16_v2 DB sql bytes ?tailvar?
4477 **
4478 ** Compile up to <bytes> bytes of the supplied SQL string <sql> using
4479 ** database handle <DB>. The parameter <tailval> is the name of a global
4480 ** variable that is set to the unused portion of <sql> (if any). A
4481 ** STMT handle is returned.
4482 */
4483 static int SQLITE_TCLAPI test_prepare16_v2(
4484   void * clientData,
4485   Tcl_Interp *interp,
4486   int objc,
4487   Tcl_Obj *CONST objv[]
4488 ){
4489 #ifndef SQLITE_OMIT_UTF16
4490   sqlite3 *db;
4491   const void *zSql;
4492   const void *zTail = 0;
4493   Tcl_Obj *pTail = 0;
4494   sqlite3_stmt *pStmt = 0;
4495   char zBuf[50];
4496   int rc;
4497   int bytes;                /* The integer specified as arg 3 */
4498   int objlen;               /* The byte-array length of arg 2 */
4499 
4500   if( objc!=5 && objc!=4 ){
4501     Tcl_AppendResult(interp, "wrong # args: should be \"",
4502        Tcl_GetString(objv[0]), " DB sql bytes ?tailvar?", 0);
4503     return TCL_ERROR;
4504   }
4505   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
4506   zSql = Tcl_GetByteArrayFromObj(objv[2], &objlen);
4507   if( Tcl_GetIntFromObj(interp, objv[3], &bytes) ) return TCL_ERROR;
4508 
4509   rc = sqlite3_prepare16_v2(db, zSql, bytes, &pStmt, objc>=5 ? &zTail : 0);
4510   if( sqlite3TestErrCode(interp, db, rc) ) return TCL_ERROR;
4511   if( rc ){
4512     return TCL_ERROR;
4513   }
4514 
4515   if( objc>=5 ){
4516     if( zTail ){
4517       objlen = objlen - (int)((u8 *)zTail-(u8 *)zSql);
4518     }else{
4519       objlen = 0;
4520     }
4521     pTail = Tcl_NewByteArrayObj((u8 *)zTail, objlen);
4522     Tcl_IncrRefCount(pTail);
4523     Tcl_ObjSetVar2(interp, objv[4], 0, pTail, 0);
4524     Tcl_DecrRefCount(pTail);
4525   }
4526 
4527   if( pStmt ){
4528     if( sqlite3TestMakePointerStr(interp, zBuf, pStmt) ) return TCL_ERROR;
4529   }
4530   Tcl_AppendResult(interp, zBuf, 0);
4531 #endif /* SQLITE_OMIT_UTF16 */
4532   return TCL_OK;
4533 }
4534 
4535 /*
4536 ** Usage: sqlite3_open filename ?options-list?
4537 */
4538 static int SQLITE_TCLAPI test_open(
4539   void * clientData,
4540   Tcl_Interp *interp,
4541   int objc,
4542   Tcl_Obj *CONST objv[]
4543 ){
4544   const char *zFilename;
4545   sqlite3 *db;
4546   char zBuf[100];
4547 
4548   if( objc!=3 && objc!=2 && objc!=1 ){
4549     Tcl_AppendResult(interp, "wrong # args: should be \"",
4550        Tcl_GetString(objv[0]), " filename options-list", 0);
4551     return TCL_ERROR;
4552   }
4553 
4554   zFilename = objc>1 ? Tcl_GetString(objv[1]) : 0;
4555   sqlite3_open(zFilename, &db);
4556 
4557   if( sqlite3TestMakePointerStr(interp, zBuf, db) ) return TCL_ERROR;
4558   Tcl_AppendResult(interp, zBuf, 0);
4559   return TCL_OK;
4560 }
4561 
4562 /*
4563 ** Usage: sqlite3_open_v2 FILENAME FLAGS VFS
4564 */
4565 static int SQLITE_TCLAPI test_open_v2(
4566   void * clientData,
4567   Tcl_Interp *interp,
4568   int objc,
4569   Tcl_Obj *CONST objv[]
4570 ){
4571   const char *zFilename;
4572   const char *zVfs;
4573   int flags = 0;
4574   sqlite3 *db;
4575   int rc;
4576   char zBuf[100];
4577 
4578   int nFlag;
4579   Tcl_Obj **apFlag;
4580   int i;
4581 
4582   if( objc!=4 ){
4583     Tcl_WrongNumArgs(interp, 1, objv, "FILENAME FLAGS VFS");
4584     return TCL_ERROR;
4585   }
4586   zFilename = Tcl_GetString(objv[1]);
4587   zVfs = Tcl_GetString(objv[3]);
4588   if( zVfs[0]==0x00 ) zVfs = 0;
4589 
4590   rc = Tcl_ListObjGetElements(interp, objv[2], &nFlag, &apFlag);
4591   if( rc!=TCL_OK ) return rc;
4592   for(i=0; i<nFlag; i++){
4593     int iFlag;
4594     struct OpenFlag {
4595       const char *zFlag;
4596       int flag;
4597     } aFlag[] = {
4598       { "SQLITE_OPEN_READONLY", SQLITE_OPEN_READONLY },
4599       { "SQLITE_OPEN_READWRITE", SQLITE_OPEN_READWRITE },
4600       { "SQLITE_OPEN_CREATE", SQLITE_OPEN_CREATE },
4601       { "SQLITE_OPEN_DELETEONCLOSE", SQLITE_OPEN_DELETEONCLOSE },
4602       { "SQLITE_OPEN_EXCLUSIVE", SQLITE_OPEN_EXCLUSIVE },
4603       { "SQLITE_OPEN_AUTOPROXY", SQLITE_OPEN_AUTOPROXY },
4604       { "SQLITE_OPEN_MAIN_DB", SQLITE_OPEN_MAIN_DB },
4605       { "SQLITE_OPEN_TEMP_DB", SQLITE_OPEN_TEMP_DB },
4606       { "SQLITE_OPEN_TRANSIENT_DB", SQLITE_OPEN_TRANSIENT_DB },
4607       { "SQLITE_OPEN_MAIN_JOURNAL", SQLITE_OPEN_MAIN_JOURNAL },
4608       { "SQLITE_OPEN_TEMP_JOURNAL", SQLITE_OPEN_TEMP_JOURNAL },
4609       { "SQLITE_OPEN_SUBJOURNAL", SQLITE_OPEN_SUBJOURNAL },
4610       { "SQLITE_OPEN_MASTER_JOURNAL", SQLITE_OPEN_MASTER_JOURNAL },
4611       { "SQLITE_OPEN_NOMUTEX", SQLITE_OPEN_NOMUTEX },
4612       { "SQLITE_OPEN_FULLMUTEX", SQLITE_OPEN_FULLMUTEX },
4613       { "SQLITE_OPEN_SHAREDCACHE", SQLITE_OPEN_SHAREDCACHE },
4614       { "SQLITE_OPEN_PRIVATECACHE", SQLITE_OPEN_PRIVATECACHE },
4615       { "SQLITE_OPEN_WAL", SQLITE_OPEN_WAL },
4616       { "SQLITE_OPEN_URI", SQLITE_OPEN_URI },
4617       { 0, 0 }
4618     };
4619     rc = Tcl_GetIndexFromObjStruct(interp, apFlag[i], aFlag, sizeof(aFlag[0]),
4620         "flag", 0, &iFlag
4621     );
4622     if( rc!=TCL_OK ) return rc;
4623     flags |= aFlag[iFlag].flag;
4624   }
4625 
4626   rc = sqlite3_open_v2(zFilename, &db, flags, zVfs);
4627   if( sqlite3TestMakePointerStr(interp, zBuf, db) ) return TCL_ERROR;
4628   Tcl_AppendResult(interp, zBuf, 0);
4629   return TCL_OK;
4630 }
4631 
4632 /*
4633 ** Usage: sqlite3_open16 filename options
4634 */
4635 static int SQLITE_TCLAPI test_open16(
4636   void * clientData,
4637   Tcl_Interp *interp,
4638   int objc,
4639   Tcl_Obj *CONST objv[]
4640 ){
4641 #ifndef SQLITE_OMIT_UTF16
4642   const void *zFilename;
4643   sqlite3 *db;
4644   char zBuf[100];
4645 
4646   if( objc!=3 ){
4647     Tcl_AppendResult(interp, "wrong # args: should be \"",
4648        Tcl_GetString(objv[0]), " filename options-list", 0);
4649     return TCL_ERROR;
4650   }
4651 
4652   zFilename = Tcl_GetByteArrayFromObj(objv[1], 0);
4653   sqlite3_open16(zFilename, &db);
4654 
4655   if( sqlite3TestMakePointerStr(interp, zBuf, db) ) return TCL_ERROR;
4656   Tcl_AppendResult(interp, zBuf, 0);
4657 #endif /* SQLITE_OMIT_UTF16 */
4658   return TCL_OK;
4659 }
4660 
4661 /*
4662 ** Usage: sqlite3_complete16 <UTF-16 string>
4663 **
4664 ** Return 1 if the supplied argument is a complete SQL statement, or zero
4665 ** otherwise.
4666 */
4667 static int SQLITE_TCLAPI test_complete16(
4668   void * clientData,
4669   Tcl_Interp *interp,
4670   int objc,
4671   Tcl_Obj *CONST objv[]
4672 ){
4673 #if !defined(SQLITE_OMIT_COMPLETE) && !defined(SQLITE_OMIT_UTF16)
4674   char *zBuf;
4675 
4676   if( objc!=2 ){
4677     Tcl_WrongNumArgs(interp, 1, objv, "<utf-16 sql>");
4678     return TCL_ERROR;
4679   }
4680 
4681   zBuf = (char*)Tcl_GetByteArrayFromObj(objv[1], 0);
4682   Tcl_SetObjResult(interp, Tcl_NewIntObj(sqlite3_complete16(zBuf)));
4683 #endif /* SQLITE_OMIT_COMPLETE && SQLITE_OMIT_UTF16 */
4684   return TCL_OK;
4685 }
4686 
4687 /*
4688 ** Usage: sqlite3_normalize SQL
4689 **
4690 ** Return the normalized value for an SQL statement.
4691 */
4692 static int SQLITE_TCLAPI test_normalize(
4693   void * clientData,
4694   Tcl_Interp *interp,
4695   int objc,
4696   Tcl_Obj *CONST objv[]
4697 ){
4698   char *zSql;
4699   char *zNorm;
4700   extern char *sqlite3_normalize(const char*);
4701 
4702   if( objc!=2 ){
4703     Tcl_WrongNumArgs(interp, 1, objv, "SQL");
4704     return TCL_ERROR;
4705   }
4706 
4707   zSql = (char*)Tcl_GetString(objv[1]);
4708   zNorm = sqlite3_normalize(zSql);
4709   if( zNorm ){
4710     Tcl_SetObjResult(interp, Tcl_NewStringObj(zNorm, -1));
4711     sqlite3_free(zNorm);
4712   }
4713   return TCL_OK;
4714 }
4715 
4716 /*
4717 ** Usage: sqlite3_step STMT
4718 **
4719 ** Advance the statement to the next row.
4720 */
4721 static int SQLITE_TCLAPI test_step(
4722   void * clientData,
4723   Tcl_Interp *interp,
4724   int objc,
4725   Tcl_Obj *CONST objv[]
4726 ){
4727   sqlite3_stmt *pStmt;
4728   int rc;
4729 
4730   if( objc!=2 ){
4731     Tcl_AppendResult(interp, "wrong # args: should be \"",
4732        Tcl_GetString(objv[0]), " STMT", 0);
4733     return TCL_ERROR;
4734   }
4735 
4736   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
4737   rc = sqlite3_step(pStmt);
4738 
4739   /* if( rc!=SQLITE_DONE && rc!=SQLITE_ROW ) return TCL_ERROR; */
4740   Tcl_SetResult(interp, (char *)t1ErrorName(rc), 0);
4741   return TCL_OK;
4742 }
4743 
4744 static int SQLITE_TCLAPI test_sql(
4745   void * clientData,
4746   Tcl_Interp *interp,
4747   int objc,
4748   Tcl_Obj *CONST objv[]
4749 ){
4750   sqlite3_stmt *pStmt;
4751 
4752   if( objc!=2 ){
4753     Tcl_WrongNumArgs(interp, 1, objv, "STMT");
4754     return TCL_ERROR;
4755   }
4756 
4757   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
4758   Tcl_SetResult(interp, (char *)sqlite3_sql(pStmt), TCL_VOLATILE);
4759   return TCL_OK;
4760 }
4761 static int SQLITE_TCLAPI test_ex_sql(
4762   void * clientData,
4763   Tcl_Interp *interp,
4764   int objc,
4765   Tcl_Obj *CONST objv[]
4766 ){
4767   sqlite3_stmt *pStmt;
4768   char *z;
4769 
4770   if( objc!=2 ){
4771     Tcl_WrongNumArgs(interp, 1, objv, "STMT");
4772     return TCL_ERROR;
4773   }
4774 
4775   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
4776   z = sqlite3_expanded_sql(pStmt);
4777   Tcl_SetResult(interp, z, TCL_VOLATILE);
4778   sqlite3_free(z);
4779   return TCL_OK;
4780 }
4781 #ifdef SQLITE_ENABLE_NORMALIZE
4782 static int SQLITE_TCLAPI test_norm_sql(
4783   void * clientData,
4784   Tcl_Interp *interp,
4785   int objc,
4786   Tcl_Obj *CONST objv[]
4787 ){
4788   sqlite3_stmt *pStmt;
4789 
4790   if( objc!=2 ){
4791     Tcl_WrongNumArgs(interp, 1, objv, "STMT");
4792     return TCL_ERROR;
4793   }
4794 
4795   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
4796   Tcl_SetResult(interp, (char *)sqlite3_normalized_sql(pStmt), TCL_VOLATILE);
4797   return TCL_OK;
4798 }
4799 #endif /* SQLITE_ENABLE_NORMALIZE */
4800 
4801 /*
4802 ** Usage: sqlite3_column_count STMT
4803 **
4804 ** Return the number of columns returned by the sql statement STMT.
4805 */
4806 static int SQLITE_TCLAPI test_column_count(
4807   void * clientData,
4808   Tcl_Interp *interp,
4809   int objc,
4810   Tcl_Obj *CONST objv[]
4811 ){
4812   sqlite3_stmt *pStmt;
4813 
4814   if( objc!=2 ){
4815     Tcl_AppendResult(interp, "wrong # args: should be \"",
4816        Tcl_GetString(objv[0]), " STMT column", 0);
4817     return TCL_ERROR;
4818   }
4819 
4820   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
4821 
4822   Tcl_SetObjResult(interp, Tcl_NewIntObj(sqlite3_column_count(pStmt)));
4823   return TCL_OK;
4824 }
4825 
4826 /*
4827 ** Usage: sqlite3_column_type STMT column
4828 **
4829 ** Return the type of the data in column 'column' of the current row.
4830 */
4831 static int SQLITE_TCLAPI test_column_type(
4832   void * clientData,
4833   Tcl_Interp *interp,
4834   int objc,
4835   Tcl_Obj *CONST objv[]
4836 ){
4837   sqlite3_stmt *pStmt;
4838   int col;
4839   int tp;
4840 
4841   if( objc!=3 ){
4842     Tcl_AppendResult(interp, "wrong # args: should be \"",
4843        Tcl_GetString(objv[0]), " STMT column", 0);
4844     return TCL_ERROR;
4845   }
4846 
4847   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
4848   if( Tcl_GetIntFromObj(interp, objv[2], &col) ) return TCL_ERROR;
4849 
4850   tp = sqlite3_column_type(pStmt, col);
4851   switch( tp ){
4852     case SQLITE_INTEGER:
4853       Tcl_SetResult(interp, "INTEGER", TCL_STATIC);
4854       break;
4855     case SQLITE_NULL:
4856       Tcl_SetResult(interp, "NULL", TCL_STATIC);
4857       break;
4858     case SQLITE_FLOAT:
4859       Tcl_SetResult(interp, "FLOAT", TCL_STATIC);
4860       break;
4861     case SQLITE_TEXT:
4862       Tcl_SetResult(interp, "TEXT", TCL_STATIC);
4863       break;
4864     case SQLITE_BLOB:
4865       Tcl_SetResult(interp, "BLOB", TCL_STATIC);
4866       break;
4867     default:
4868       assert(0);
4869   }
4870 
4871   return TCL_OK;
4872 }
4873 
4874 /*
4875 ** Usage: sqlite3_column_int64 STMT column
4876 **
4877 ** Return the data in column 'column' of the current row cast as an
4878 ** wide (64-bit) integer.
4879 */
4880 static int SQLITE_TCLAPI test_column_int64(
4881   void * clientData,
4882   Tcl_Interp *interp,
4883   int objc,
4884   Tcl_Obj *CONST objv[]
4885 ){
4886   sqlite3_stmt *pStmt;
4887   int col;
4888   i64 iVal;
4889 
4890   if( objc!=3 ){
4891     Tcl_AppendResult(interp, "wrong # args: should be \"",
4892        Tcl_GetString(objv[0]), " STMT column", 0);
4893     return TCL_ERROR;
4894   }
4895 
4896   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
4897   if( Tcl_GetIntFromObj(interp, objv[2], &col) ) return TCL_ERROR;
4898 
4899   iVal = sqlite3_column_int64(pStmt, col);
4900   Tcl_SetObjResult(interp, Tcl_NewWideIntObj(iVal));
4901   return TCL_OK;
4902 }
4903 
4904 /*
4905 ** Usage: sqlite3_column_blob STMT column
4906 */
4907 static int SQLITE_TCLAPI test_column_blob(
4908   void * clientData,
4909   Tcl_Interp *interp,
4910   int objc,
4911   Tcl_Obj *CONST objv[]
4912 ){
4913   sqlite3_stmt *pStmt;
4914   int col;
4915 
4916   int len;
4917   const void *pBlob;
4918 
4919   if( objc!=3 ){
4920     Tcl_AppendResult(interp, "wrong # args: should be \"",
4921        Tcl_GetString(objv[0]), " STMT column", 0);
4922     return TCL_ERROR;
4923   }
4924 
4925   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
4926   if( Tcl_GetIntFromObj(interp, objv[2], &col) ) return TCL_ERROR;
4927 
4928   len = sqlite3_column_bytes(pStmt, col);
4929   pBlob = sqlite3_column_blob(pStmt, col);
4930   Tcl_SetObjResult(interp, Tcl_NewByteArrayObj(pBlob, len));
4931   return TCL_OK;
4932 }
4933 
4934 /*
4935 ** Usage: sqlite3_column_double STMT column
4936 **
4937 ** Return the data in column 'column' of the current row cast as a double.
4938 */
4939 static int SQLITE_TCLAPI test_column_double(
4940   void * clientData,
4941   Tcl_Interp *interp,
4942   int objc,
4943   Tcl_Obj *CONST objv[]
4944 ){
4945   sqlite3_stmt *pStmt;
4946   int col;
4947   double rVal;
4948 
4949   if( objc!=3 ){
4950     Tcl_AppendResult(interp, "wrong # args: should be \"",
4951        Tcl_GetString(objv[0]), " STMT column", 0);
4952     return TCL_ERROR;
4953   }
4954 
4955   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
4956   if( Tcl_GetIntFromObj(interp, objv[2], &col) ) return TCL_ERROR;
4957 
4958   rVal = sqlite3_column_double(pStmt, col);
4959   Tcl_SetObjResult(interp, Tcl_NewDoubleObj(rVal));
4960   return TCL_OK;
4961 }
4962 
4963 /*
4964 ** Usage: sqlite3_data_count STMT
4965 **
4966 ** Return the number of columns returned by the sql statement STMT.
4967 */
4968 static int SQLITE_TCLAPI test_data_count(
4969   void * clientData,
4970   Tcl_Interp *interp,
4971   int objc,
4972   Tcl_Obj *CONST objv[]
4973 ){
4974   sqlite3_stmt *pStmt;
4975 
4976   if( objc!=2 ){
4977     Tcl_AppendResult(interp, "wrong # args: should be \"",
4978        Tcl_GetString(objv[0]), " STMT column", 0);
4979     return TCL_ERROR;
4980   }
4981 
4982   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
4983 
4984   Tcl_SetObjResult(interp, Tcl_NewIntObj(sqlite3_data_count(pStmt)));
4985   return TCL_OK;
4986 }
4987 
4988 /*
4989 ** Usage: sqlite3_column_text STMT column
4990 **
4991 ** Usage: sqlite3_column_decltype STMT column
4992 **
4993 ** Usage: sqlite3_column_name STMT column
4994 */
4995 static int SQLITE_TCLAPI test_stmt_utf8(
4996   void * clientData,        /* Pointer to SQLite API function to be invoke */
4997   Tcl_Interp *interp,
4998   int objc,
4999   Tcl_Obj *CONST objv[]
5000 ){
5001   sqlite3_stmt *pStmt;
5002   int col;
5003   const char *(*xFunc)(sqlite3_stmt*, int);
5004   const char *zRet;
5005 
5006   xFunc = (const char *(*)(sqlite3_stmt*, int))clientData;
5007   if( objc!=3 ){
5008     Tcl_AppendResult(interp, "wrong # args: should be \"",
5009        Tcl_GetString(objv[0]), " STMT column", 0);
5010     return TCL_ERROR;
5011   }
5012 
5013   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
5014   if( Tcl_GetIntFromObj(interp, objv[2], &col) ) return TCL_ERROR;
5015   zRet = xFunc(pStmt, col);
5016   if( zRet ){
5017     Tcl_SetResult(interp, (char *)zRet, 0);
5018   }
5019   return TCL_OK;
5020 }
5021 
5022 static int SQLITE_TCLAPI test_global_recover(
5023   void * clientData,
5024   Tcl_Interp *interp,
5025   int objc,
5026   Tcl_Obj *CONST objv[]
5027 ){
5028 #ifndef SQLITE_OMIT_DEPRECATED
5029   int rc;
5030   if( objc!=1 ){
5031     Tcl_WrongNumArgs(interp, 1, objv, "");
5032     return TCL_ERROR;
5033   }
5034   rc = sqlite3_global_recover();
5035   Tcl_SetResult(interp, (char *)t1ErrorName(rc), TCL_STATIC);
5036 #endif
5037   return TCL_OK;
5038 }
5039 
5040 /*
5041 ** Usage: sqlite3_column_text STMT column
5042 **
5043 ** Usage: sqlite3_column_decltype STMT column
5044 **
5045 ** Usage: sqlite3_column_name STMT column
5046 */
5047 static int SQLITE_TCLAPI test_stmt_utf16(
5048   void * clientData,     /* Pointer to SQLite API function to be invoked */
5049   Tcl_Interp *interp,
5050   int objc,
5051   Tcl_Obj *CONST objv[]
5052 ){
5053 #ifndef SQLITE_OMIT_UTF16
5054   sqlite3_stmt *pStmt;
5055   int col;
5056   Tcl_Obj *pRet;
5057   const void *zName16;
5058   const void *(*xFunc)(sqlite3_stmt*, int);
5059 
5060   xFunc = (const void *(*)(sqlite3_stmt*, int))clientData;
5061   if( objc!=3 ){
5062     Tcl_AppendResult(interp, "wrong # args: should be \"",
5063        Tcl_GetString(objv[0]), " STMT column", 0);
5064     return TCL_ERROR;
5065   }
5066 
5067   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
5068   if( Tcl_GetIntFromObj(interp, objv[2], &col) ) return TCL_ERROR;
5069 
5070   zName16 = xFunc(pStmt, col);
5071   if( zName16 ){
5072     int n;
5073     const char *z = zName16;
5074     for(n=0; z[n] || z[n+1]; n+=2){}
5075     pRet = Tcl_NewByteArrayObj(zName16, n+2);
5076     Tcl_SetObjResult(interp, pRet);
5077   }
5078 #endif /* SQLITE_OMIT_UTF16 */
5079 
5080   return TCL_OK;
5081 }
5082 
5083 /*
5084 ** Usage: sqlite3_column_int STMT column
5085 **
5086 ** Usage: sqlite3_column_bytes STMT column
5087 **
5088 ** Usage: sqlite3_column_bytes16 STMT column
5089 **
5090 */
5091 static int SQLITE_TCLAPI test_stmt_int(
5092   void * clientData,    /* Pointer to SQLite API function to be invoked */
5093   Tcl_Interp *interp,
5094   int objc,
5095   Tcl_Obj *CONST objv[]
5096 ){
5097   sqlite3_stmt *pStmt;
5098   int col;
5099   int (*xFunc)(sqlite3_stmt*, int);
5100 
5101   xFunc = (int (*)(sqlite3_stmt*, int))clientData;
5102   if( objc!=3 ){
5103     Tcl_AppendResult(interp, "wrong # args: should be \"",
5104        Tcl_GetString(objv[0]), " STMT column", 0);
5105     return TCL_ERROR;
5106   }
5107 
5108   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
5109   if( Tcl_GetIntFromObj(interp, objv[2], &col) ) return TCL_ERROR;
5110 
5111   Tcl_SetObjResult(interp, Tcl_NewIntObj(xFunc(pStmt, col)));
5112   return TCL_OK;
5113 }
5114 
5115 /*
5116 ** Usage:  sqlite_set_magic  DB  MAGIC-NUMBER
5117 **
5118 ** Set the db->magic value.  This is used to test error recovery logic.
5119 */
5120 static int SQLITE_TCLAPI sqlite_set_magic(
5121   void * clientData,
5122   Tcl_Interp *interp,
5123   int argc,
5124   char **argv
5125 ){
5126   sqlite3 *db;
5127   if( argc!=3 ){
5128     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
5129          " DB MAGIC", 0);
5130     return TCL_ERROR;
5131   }
5132   if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
5133   if( strcmp(argv[2], "SQLITE_MAGIC_OPEN")==0 ){
5134     db->magic = SQLITE_MAGIC_OPEN;
5135   }else if( strcmp(argv[2], "SQLITE_MAGIC_CLOSED")==0 ){
5136     db->magic = SQLITE_MAGIC_CLOSED;
5137   }else if( strcmp(argv[2], "SQLITE_MAGIC_BUSY")==0 ){
5138     db->magic = SQLITE_MAGIC_BUSY;
5139   }else if( strcmp(argv[2], "SQLITE_MAGIC_ERROR")==0 ){
5140     db->magic = SQLITE_MAGIC_ERROR;
5141   }else if( Tcl_GetInt(interp, argv[2], (int*)&db->magic) ){
5142     return TCL_ERROR;
5143   }
5144   return TCL_OK;
5145 }
5146 
5147 /*
5148 ** Usage:  sqlite3_interrupt  DB
5149 **
5150 ** Trigger an interrupt on DB
5151 */
5152 static int SQLITE_TCLAPI test_interrupt(
5153   void * clientData,
5154   Tcl_Interp *interp,
5155   int argc,
5156   char **argv
5157 ){
5158   sqlite3 *db;
5159   if( argc!=2 ){
5160     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0], " DB", 0);
5161     return TCL_ERROR;
5162   }
5163   if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
5164   sqlite3_interrupt(db);
5165   return TCL_OK;
5166 }
5167 
5168 /*
5169 ** Usage: sqlite_delete_function DB function-name
5170 **
5171 ** Delete the user function 'function-name' from database handle DB. It
5172 ** is assumed that the user function was created as UTF8, any number of
5173 ** arguments (the way the TCL interface does it).
5174 */
5175 static int SQLITE_TCLAPI delete_function(
5176   void * clientData,
5177   Tcl_Interp *interp,
5178   int argc,
5179   char **argv
5180 ){
5181   int rc;
5182   sqlite3 *db;
5183   if( argc!=3 ){
5184     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
5185         " DB function-name", 0);
5186     return TCL_ERROR;
5187   }
5188   if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
5189   rc = sqlite3_create_function(db, argv[2], -1, SQLITE_UTF8, 0, 0, 0, 0);
5190   Tcl_SetResult(interp, (char *)t1ErrorName(rc), TCL_STATIC);
5191   return TCL_OK;
5192 }
5193 
5194 /*
5195 ** Usage: sqlite_delete_collation DB collation-name
5196 **
5197 ** Delete the collation sequence 'collation-name' from database handle
5198 ** DB. It is assumed that the collation sequence was created as UTF8 (the
5199 ** way the TCL interface does it).
5200 */
5201 static int SQLITE_TCLAPI delete_collation(
5202   void * clientData,
5203   Tcl_Interp *interp,
5204   int argc,
5205   char **argv
5206 ){
5207   int rc;
5208   sqlite3 *db;
5209   if( argc!=3 ){
5210     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
5211         " DB function-name", 0);
5212     return TCL_ERROR;
5213   }
5214   if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
5215   rc = sqlite3_create_collation(db, argv[2], SQLITE_UTF8, 0, 0);
5216   Tcl_SetResult(interp, (char *)t1ErrorName(rc), TCL_STATIC);
5217   return TCL_OK;
5218 }
5219 
5220 /*
5221 ** Usage: sqlite3_get_autocommit DB
5222 **
5223 ** Return true if the database DB is currently in auto-commit mode.
5224 ** Return false if not.
5225 */
5226 static int SQLITE_TCLAPI get_autocommit(
5227   void * clientData,
5228   Tcl_Interp *interp,
5229   int argc,
5230   char **argv
5231 ){
5232   char zBuf[30];
5233   sqlite3 *db;
5234   if( argc!=2 ){
5235     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
5236         " DB", 0);
5237     return TCL_ERROR;
5238   }
5239   if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
5240   sqlite3_snprintf(sizeof(zBuf), zBuf, "%d", sqlite3_get_autocommit(db));
5241   Tcl_AppendResult(interp, zBuf, 0);
5242   return TCL_OK;
5243 }
5244 
5245 /*
5246 ** Usage: sqlite3_busy_timeout DB MS
5247 **
5248 ** Set the busy timeout.  This is more easily done using the timeout
5249 ** method of the TCL interface.  But we need a way to test the case
5250 ** where it returns SQLITE_MISUSE.
5251 */
5252 static int SQLITE_TCLAPI test_busy_timeout(
5253   void * clientData,
5254   Tcl_Interp *interp,
5255   int argc,
5256   char **argv
5257 ){
5258   int rc, ms;
5259   sqlite3 *db;
5260   if( argc!=3 ){
5261     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
5262         " DB", 0);
5263     return TCL_ERROR;
5264   }
5265   if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
5266   if( Tcl_GetInt(interp, argv[2], &ms) ) return TCL_ERROR;
5267   rc = sqlite3_busy_timeout(db, ms);
5268   Tcl_AppendResult(interp, sqlite3ErrName(rc), 0);
5269   return TCL_OK;
5270 }
5271 
5272 /*
5273 ** Usage:  tcl_variable_type VARIABLENAME
5274 **
5275 ** Return the name of the internal representation for the
5276 ** value of the given variable.
5277 */
5278 static int SQLITE_TCLAPI tcl_variable_type(
5279   void * clientData,
5280   Tcl_Interp *interp,
5281   int objc,
5282   Tcl_Obj *CONST objv[]
5283 ){
5284   Tcl_Obj *pVar;
5285   if( objc!=2 ){
5286     Tcl_WrongNumArgs(interp, 1, objv, "VARIABLE");
5287     return TCL_ERROR;
5288   }
5289   pVar = Tcl_GetVar2Ex(interp, Tcl_GetString(objv[1]), 0, TCL_LEAVE_ERR_MSG);
5290   if( pVar==0 ) return TCL_ERROR;
5291   if( pVar->typePtr ){
5292     Tcl_SetObjResult(interp, Tcl_NewStringObj(pVar->typePtr->name, -1));
5293   }
5294   return TCL_OK;
5295 }
5296 
5297 /*
5298 ** Usage:  sqlite3_release_memory ?N?
5299 **
5300 ** Attempt to release memory currently held but not actually required.
5301 ** The integer N is the number of bytes we are trying to release.  The
5302 ** return value is the amount of memory actually released.
5303 */
5304 static int SQLITE_TCLAPI test_release_memory(
5305   void * clientData,
5306   Tcl_Interp *interp,
5307   int objc,
5308   Tcl_Obj *CONST objv[]
5309 ){
5310 #if defined(SQLITE_ENABLE_MEMORY_MANAGEMENT) && !defined(SQLITE_OMIT_DISKIO)
5311   int N;
5312   int amt;
5313   if( objc!=1 && objc!=2 ){
5314     Tcl_WrongNumArgs(interp, 1, objv, "?N?");
5315     return TCL_ERROR;
5316   }
5317   if( objc==2 ){
5318     if( Tcl_GetIntFromObj(interp, objv[1], &N) ) return TCL_ERROR;
5319   }else{
5320     N = -1;
5321   }
5322   amt = sqlite3_release_memory(N);
5323   Tcl_SetObjResult(interp, Tcl_NewIntObj(amt));
5324 #endif
5325   return TCL_OK;
5326 }
5327 
5328 
5329 /*
5330 ** Usage:  sqlite3_db_release_memory DB
5331 **
5332 ** Attempt to release memory currently held by database DB.  Return the
5333 ** result code (which in the current implementation is always zero).
5334 */
5335 static int SQLITE_TCLAPI test_db_release_memory(
5336   void * clientData,
5337   Tcl_Interp *interp,
5338   int objc,
5339   Tcl_Obj *CONST objv[]
5340 ){
5341   sqlite3 *db;
5342   int rc;
5343   if( objc!=2 ){
5344     Tcl_WrongNumArgs(interp, 1, objv, "DB");
5345     return TCL_ERROR;
5346   }
5347   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
5348   rc = sqlite3_db_release_memory(db);
5349   Tcl_SetObjResult(interp, Tcl_NewIntObj(rc));
5350   return TCL_OK;
5351 }
5352 
5353 /*
5354 ** Usage:  sqlite3_db_cacheflush DB
5355 **
5356 ** Attempt to flush any dirty pages to disk.
5357 */
5358 static int SQLITE_TCLAPI test_db_cacheflush(
5359   void * clientData,
5360   Tcl_Interp *interp,
5361   int objc,
5362   Tcl_Obj *CONST objv[]
5363 ){
5364   sqlite3 *db;
5365   int rc;
5366   if( objc!=2 ){
5367     Tcl_WrongNumArgs(interp, 1, objv, "DB");
5368     return TCL_ERROR;
5369   }
5370   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
5371   rc = sqlite3_db_cacheflush(db);
5372   if( rc ){
5373     Tcl_SetResult(interp, (char *)sqlite3ErrStr(rc), TCL_STATIC);
5374     return TCL_ERROR;
5375   }
5376 
5377   Tcl_ResetResult(interp);
5378   return TCL_OK;
5379 }
5380 
5381 /*
5382 ** Usage:  sqlite3_system_errno DB
5383 **
5384 ** Return the low-level system errno value.
5385 */
5386 static int SQLITE_TCLAPI test_system_errno(
5387   void * clientData,
5388   Tcl_Interp *interp,
5389   int objc,
5390   Tcl_Obj *CONST objv[]
5391 ){
5392   sqlite3 *db;
5393   int iErrno;
5394   if( objc!=2 ){
5395     Tcl_WrongNumArgs(interp, 1, objv, "DB");
5396     return TCL_ERROR;
5397   }
5398   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
5399   iErrno = sqlite3_system_errno(db);
5400   Tcl_SetObjResult(interp, Tcl_NewIntObj(iErrno));
5401   return TCL_OK;
5402 }
5403 
5404 /*
5405 ** Usage:  sqlite3_db_filename DB DBNAME
5406 **
5407 ** Return the name of a file associated with a database.
5408 */
5409 static int SQLITE_TCLAPI test_db_filename(
5410   void * clientData,
5411   Tcl_Interp *interp,
5412   int objc,
5413   Tcl_Obj *CONST objv[]
5414 ){
5415   sqlite3 *db;
5416   const char *zDbName;
5417   if( objc!=3 ){
5418     Tcl_WrongNumArgs(interp, 1, objv, "DB DBNAME");
5419     return TCL_ERROR;
5420   }
5421   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
5422   zDbName = Tcl_GetString(objv[2]);
5423   Tcl_AppendResult(interp, sqlite3_db_filename(db, zDbName), (void*)0);
5424   return TCL_OK;
5425 }
5426 
5427 /*
5428 ** Usage:  sqlite3_db_readonly DB DBNAME
5429 **
5430 ** Return 1 or 0 if DBNAME is readonly or not.  Return -1 if DBNAME does
5431 ** not exist.
5432 */
5433 static int SQLITE_TCLAPI test_db_readonly(
5434   void * clientData,
5435   Tcl_Interp *interp,
5436   int objc,
5437   Tcl_Obj *CONST objv[]
5438 ){
5439   sqlite3 *db;
5440   const char *zDbName;
5441   if( objc!=3 ){
5442     Tcl_WrongNumArgs(interp, 1, objv, "DB DBNAME");
5443     return TCL_ERROR;
5444   }
5445   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
5446   zDbName = Tcl_GetString(objv[2]);
5447   Tcl_SetObjResult(interp, Tcl_NewIntObj(sqlite3_db_readonly(db, zDbName)));
5448   return TCL_OK;
5449 }
5450 
5451 /*
5452 ** Usage:  sqlite3_soft_heap_limit ?N?
5453 **
5454 ** Query or set the soft heap limit for the current thread.  The
5455 ** limit is only changed if the N is present.  The previous limit
5456 ** is returned.
5457 */
5458 static int SQLITE_TCLAPI test_soft_heap_limit(
5459   void * clientData,
5460   Tcl_Interp *interp,
5461   int objc,
5462   Tcl_Obj *CONST objv[]
5463 ){
5464   sqlite3_int64 amt;
5465   Tcl_WideInt N = -1;
5466   if( objc!=1 && objc!=2 ){
5467     Tcl_WrongNumArgs(interp, 1, objv, "?N?");
5468     return TCL_ERROR;
5469   }
5470   if( objc==2 ){
5471     if( Tcl_GetWideIntFromObj(interp, objv[1], &N) ) return TCL_ERROR;
5472   }
5473   amt = sqlite3_soft_heap_limit64(N);
5474   Tcl_SetObjResult(interp, Tcl_NewWideIntObj(amt));
5475   return TCL_OK;
5476 }
5477 
5478 /*
5479 ** Usage:   sqlite3_thread_cleanup
5480 **
5481 ** Call the sqlite3_thread_cleanup API.
5482 */
5483 static int SQLITE_TCLAPI test_thread_cleanup(
5484   void * clientData,
5485   Tcl_Interp *interp,
5486   int objc,
5487   Tcl_Obj *CONST objv[]
5488 ){
5489 #ifndef SQLITE_OMIT_DEPRECATED
5490   sqlite3_thread_cleanup();
5491 #endif
5492   return TCL_OK;
5493 }
5494 
5495 /*
5496 ** Usage:   sqlite3_pager_refcounts  DB
5497 **
5498 ** Return a list of numbers which are the PagerRefcount for all
5499 ** pagers on each database connection.
5500 */
5501 static int SQLITE_TCLAPI test_pager_refcounts(
5502   void * clientData,
5503   Tcl_Interp *interp,
5504   int objc,
5505   Tcl_Obj *CONST objv[]
5506 ){
5507   sqlite3 *db;
5508   int i;
5509   int v, *a;
5510   Tcl_Obj *pResult;
5511 
5512   if( objc!=2 ){
5513     Tcl_AppendResult(interp, "wrong # args: should be \"",
5514         Tcl_GetStringFromObj(objv[0], 0), " DB", 0);
5515     return TCL_ERROR;
5516   }
5517   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
5518   pResult = Tcl_NewObj();
5519   for(i=0; i<db->nDb; i++){
5520     if( db->aDb[i].pBt==0 ){
5521       v = -1;
5522     }else{
5523       sqlite3_mutex_enter(db->mutex);
5524       a = sqlite3PagerStats(sqlite3BtreePager(db->aDb[i].pBt));
5525       v = a[0];
5526       sqlite3_mutex_leave(db->mutex);
5527     }
5528     Tcl_ListObjAppendElement(0, pResult, Tcl_NewIntObj(v));
5529   }
5530   Tcl_SetObjResult(interp, pResult);
5531   return TCL_OK;
5532 }
5533 
5534 
5535 /*
5536 ** tclcmd:   working_64bit_int
5537 **
5538 ** Some TCL builds (ex: cygwin) do not support 64-bit integers.  This
5539 ** leads to a number of test failures.  The present command checks the
5540 ** TCL build to see whether or not it supports 64-bit integers.  It
5541 ** returns TRUE if it does and FALSE if not.
5542 **
5543 ** This command is used to warn users that their TCL build is defective
5544 ** and that the errors they are seeing in the test scripts might be
5545 ** a result of their defective TCL rather than problems in SQLite.
5546 */
5547 static int SQLITE_TCLAPI working_64bit_int(
5548   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
5549   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
5550   int objc,              /* Number of arguments */
5551   Tcl_Obj *CONST objv[]  /* Command arguments */
5552 ){
5553   Tcl_Obj *pTestObj;
5554   int working = 0;
5555 
5556   pTestObj = Tcl_NewWideIntObj(1000000*(i64)1234567890);
5557   working = strcmp(Tcl_GetString(pTestObj), "1234567890000000")==0;
5558   Tcl_DecrRefCount(pTestObj);
5559   Tcl_SetObjResult(interp, Tcl_NewBooleanObj(working));
5560   return TCL_OK;
5561 }
5562 
5563 
5564 /*
5565 ** tclcmd:   vfs_unlink_test
5566 **
5567 ** This TCL command unregisters the primary VFS and then registers
5568 ** it back again.  This is used to test the ability to register a
5569 ** VFS when none are previously registered, and the ability to
5570 ** unregister the only available VFS.  Ticket #2738
5571 */
5572 static int SQLITE_TCLAPI vfs_unlink_test(
5573   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
5574   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
5575   int objc,              /* Number of arguments */
5576   Tcl_Obj *CONST objv[]  /* Command arguments */
5577 ){
5578   int i;
5579   sqlite3_vfs *pMain;
5580   sqlite3_vfs *apVfs[20];
5581   sqlite3_vfs one, two;
5582 
5583   sqlite3_vfs_unregister(0);   /* Unregister of NULL is harmless */
5584   one.zName = "__one";
5585   two.zName = "__two";
5586 
5587   /* Calling sqlite3_vfs_register with 2nd argument of 0 does not
5588   ** change the default VFS
5589   */
5590   pMain = sqlite3_vfs_find(0);
5591   sqlite3_vfs_register(&one, 0);
5592   assert( pMain==0 || pMain==sqlite3_vfs_find(0) );
5593   sqlite3_vfs_register(&two, 0);
5594   assert( pMain==0 || pMain==sqlite3_vfs_find(0) );
5595 
5596   /* We can find a VFS by its name */
5597   assert( sqlite3_vfs_find("__one")==&one );
5598   assert( sqlite3_vfs_find("__two")==&two );
5599 
5600   /* Calling sqlite_vfs_register with non-zero second parameter changes the
5601   ** default VFS, even if the 1st parameter is an existig VFS that is
5602   ** previously registered as the non-default.
5603   */
5604   sqlite3_vfs_register(&one, 1);
5605   assert( sqlite3_vfs_find("__one")==&one );
5606   assert( sqlite3_vfs_find("__two")==&two );
5607   assert( sqlite3_vfs_find(0)==&one );
5608   sqlite3_vfs_register(&two, 1);
5609   assert( sqlite3_vfs_find("__one")==&one );
5610   assert( sqlite3_vfs_find("__two")==&two );
5611   assert( sqlite3_vfs_find(0)==&two );
5612   if( pMain ){
5613     sqlite3_vfs_register(pMain, 1);
5614     assert( sqlite3_vfs_find("__one")==&one );
5615     assert( sqlite3_vfs_find("__two")==&two );
5616     assert( sqlite3_vfs_find(0)==pMain );
5617   }
5618 
5619   /* Unlink the default VFS.  Repeat until there are no more VFSes
5620   ** registered.
5621   */
5622   for(i=0; i<sizeof(apVfs)/sizeof(apVfs[0]); i++){
5623     apVfs[i] = sqlite3_vfs_find(0);
5624     if( apVfs[i] ){
5625       assert( apVfs[i]==sqlite3_vfs_find(apVfs[i]->zName) );
5626       sqlite3_vfs_unregister(apVfs[i]);
5627       assert( 0==sqlite3_vfs_find(apVfs[i]->zName) );
5628     }
5629   }
5630   assert( 0==sqlite3_vfs_find(0) );
5631 
5632   /* Register the main VFS as non-default (will be made default, since
5633   ** it'll be the only one in existence).
5634   */
5635   sqlite3_vfs_register(pMain, 0);
5636   assert( sqlite3_vfs_find(0)==pMain );
5637 
5638   /* Un-register the main VFS again to restore an empty VFS list */
5639   sqlite3_vfs_unregister(pMain);
5640   assert( 0==sqlite3_vfs_find(0) );
5641 
5642   /* Relink all VFSes in reverse order. */
5643   for(i=sizeof(apVfs)/sizeof(apVfs[0])-1; i>=0; i--){
5644     if( apVfs[i] ){
5645       sqlite3_vfs_register(apVfs[i], 1);
5646       assert( apVfs[i]==sqlite3_vfs_find(0) );
5647       assert( apVfs[i]==sqlite3_vfs_find(apVfs[i]->zName) );
5648     }
5649   }
5650 
5651   /* Unregister out sample VFSes. */
5652   sqlite3_vfs_unregister(&one);
5653   sqlite3_vfs_unregister(&two);
5654 
5655   /* Unregistering a VFS that is not currently registered is harmless */
5656   sqlite3_vfs_unregister(&one);
5657   sqlite3_vfs_unregister(&two);
5658   assert( sqlite3_vfs_find("__one")==0 );
5659   assert( sqlite3_vfs_find("__two")==0 );
5660 
5661   /* We should be left with the original default VFS back as the
5662   ** original */
5663   assert( sqlite3_vfs_find(0)==pMain );
5664 
5665   return TCL_OK;
5666 }
5667 
5668 /*
5669 ** tclcmd:   vfs_initfail_test
5670 **
5671 ** This TCL command attempts to vfs_find and vfs_register when the
5672 ** sqlite3_initialize() interface is failing.  All calls should fail.
5673 */
5674 static int SQLITE_TCLAPI vfs_initfail_test(
5675   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
5676   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
5677   int objc,              /* Number of arguments */
5678   Tcl_Obj *CONST objv[]  /* Command arguments */
5679 ){
5680   sqlite3_vfs one;
5681   one.zName = "__one";
5682 
5683   if( sqlite3_vfs_find(0) ) return TCL_ERROR;
5684   sqlite3_vfs_register(&one, 0);
5685   if( sqlite3_vfs_find(0) ) return TCL_ERROR;
5686   sqlite3_vfs_register(&one, 1);
5687   if( sqlite3_vfs_find(0) ) return TCL_ERROR;
5688   return TCL_OK;
5689 }
5690 
5691 /*
5692 ** Saved VFSes
5693 */
5694 static sqlite3_vfs *apVfs[20];
5695 static int nVfs = 0;
5696 
5697 /*
5698 ** tclcmd:   vfs_unregister_all
5699 **
5700 ** Unregister all VFSes.
5701 */
5702 static int SQLITE_TCLAPI vfs_unregister_all(
5703   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
5704   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
5705   int objc,              /* Number of arguments */
5706   Tcl_Obj *CONST objv[]  /* Command arguments */
5707 ){
5708   int i;
5709   for(i=0; i<ArraySize(apVfs); i++){
5710     apVfs[i] = sqlite3_vfs_find(0);
5711     if( apVfs[i]==0 ) break;
5712     sqlite3_vfs_unregister(apVfs[i]);
5713   }
5714   nVfs = i;
5715   return TCL_OK;
5716 }
5717 /*
5718 ** tclcmd:   vfs_reregister_all
5719 **
5720 ** Restore all VFSes that were removed using vfs_unregister_all. Taking
5721 ** care to put the linked list back together in the same order as it was
5722 ** in before vfs_unregister_all was invoked.
5723 */
5724 static int SQLITE_TCLAPI vfs_reregister_all(
5725   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
5726   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
5727   int objc,              /* Number of arguments */
5728   Tcl_Obj *CONST objv[]  /* Command arguments */
5729 ){
5730   int i;
5731   for(i=nVfs-1; i>=0; i--){
5732     sqlite3_vfs_register(apVfs[i], 1);
5733   }
5734   return TCL_OK;
5735 }
5736 
5737 
5738 /*
5739 ** tclcmd:   file_control_test DB
5740 **
5741 ** This TCL command runs the sqlite3_file_control interface and
5742 ** verifies correct operation of the same.
5743 */
5744 static int SQLITE_TCLAPI file_control_test(
5745   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
5746   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
5747   int objc,              /* Number of arguments */
5748   Tcl_Obj *CONST objv[]  /* Command arguments */
5749 ){
5750   int iArg = 0;
5751   sqlite3 *db;
5752   int rc;
5753 
5754   if( objc!=2 ){
5755     Tcl_AppendResult(interp, "wrong # args: should be \"",
5756         Tcl_GetStringFromObj(objv[0], 0), " DB", 0);
5757     return TCL_ERROR;
5758   }
5759   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
5760   rc = sqlite3_file_control(db, 0, 0, &iArg);
5761   assert( rc==SQLITE_NOTFOUND );
5762   rc = sqlite3_file_control(db, "notadatabase", SQLITE_FCNTL_LOCKSTATE, &iArg);
5763   assert( rc==SQLITE_ERROR );
5764   rc = sqlite3_file_control(db, "main", -1, &iArg);
5765   assert( rc==SQLITE_NOTFOUND );
5766   rc = sqlite3_file_control(db, "temp", -1, &iArg);
5767   assert( rc==SQLITE_NOTFOUND || rc==SQLITE_ERROR );
5768 
5769   return TCL_OK;
5770 }
5771 
5772 
5773 /*
5774 ** tclcmd:   file_control_lasterrno_test DB
5775 **
5776 ** This TCL command runs the sqlite3_file_control interface and
5777 ** verifies correct operation of the SQLITE_LAST_ERRNO verb.
5778 */
5779 static int SQLITE_TCLAPI file_control_lasterrno_test(
5780   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
5781   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
5782   int objc,              /* Number of arguments */
5783   Tcl_Obj *CONST objv[]  /* Command arguments */
5784 ){
5785   int iArg = 0;
5786   sqlite3 *db;
5787   int rc;
5788 
5789   if( objc!=2 ){
5790     Tcl_AppendResult(interp, "wrong # args: should be \"",
5791         Tcl_GetStringFromObj(objv[0], 0), " DB", 0);
5792     return TCL_ERROR;
5793   }
5794   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ){
5795     return TCL_ERROR;
5796   }
5797   rc = sqlite3_file_control(db, NULL, SQLITE_LAST_ERRNO, &iArg);
5798   if( rc ){
5799     Tcl_SetObjResult(interp, Tcl_NewIntObj(rc));
5800     return TCL_ERROR;
5801   }
5802   if( iArg!=0 ) {
5803     Tcl_AppendResult(interp, "Unexpected non-zero errno: ",
5804                      Tcl_GetStringFromObj(Tcl_NewIntObj(iArg), 0), " ", 0);
5805     return TCL_ERROR;
5806   }
5807   return TCL_OK;
5808 }
5809 
5810 /*
5811 ** tclcmd:   file_control_data_version DB DBNAME
5812 **
5813 ** This TCL command runs the sqlite3_file_control with the
5814 ** SQLITE_FCNTL_DATA_VERSION opcode, returning the result.
5815 */
5816 static int SQLITE_TCLAPI file_control_data_version(
5817   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
5818   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
5819   int objc,              /* Number of arguments */
5820   Tcl_Obj *CONST objv[]  /* Command arguments */
5821 ){
5822   unsigned int iVers;             /* data version */
5823   char *zDb;                      /* Db name ("main", "temp" etc.) */
5824   sqlite3 *db;                    /* Database handle */
5825   int rc;                         /* file_control() return code */
5826   char zBuf[100];
5827 
5828   if( objc!=3 && objc!=2 ){
5829     Tcl_WrongNumArgs(interp, 1, objv, "DB [DBNAME]");
5830     return TCL_ERROR;
5831   }
5832   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ){
5833    return TCL_ERROR;
5834   }
5835   zDb = objc==3 ? Tcl_GetString(objv[2]) : NULL;
5836 
5837   rc = sqlite3_file_control(db, zDb, SQLITE_FCNTL_DATA_VERSION, (void *)&iVers);
5838   if( rc ){
5839     Tcl_SetResult(interp, (char *)sqlite3ErrName(rc), TCL_STATIC);
5840     return TCL_ERROR;
5841   }else{
5842     sqlite3_snprintf(sizeof(zBuf),zBuf,"%u",iVers);
5843     Tcl_SetResult(interp, (char *)zBuf, TCL_VOLATILE);
5844     return TCL_OK;
5845   }
5846 }
5847 
5848 /*
5849 ** tclcmd:   file_control_chunksize_test DB DBNAME SIZE
5850 **
5851 ** This TCL command runs the sqlite3_file_control interface and
5852 ** verifies correct operation of the SQLITE_GET_LOCKPROXYFILE and
5853 ** SQLITE_SET_LOCKPROXYFILE verbs.
5854 */
5855 static int SQLITE_TCLAPI file_control_chunksize_test(
5856   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
5857   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
5858   int objc,              /* Number of arguments */
5859   Tcl_Obj *CONST objv[]  /* Command arguments */
5860 ){
5861   int nSize;                      /* New chunk size */
5862   char *zDb;                      /* Db name ("main", "temp" etc.) */
5863   sqlite3 *db;                    /* Database handle */
5864   int rc;                         /* file_control() return code */
5865 
5866   if( objc!=4 ){
5867     Tcl_WrongNumArgs(interp, 1, objv, "DB DBNAME SIZE");
5868     return TCL_ERROR;
5869   }
5870   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db)
5871    || Tcl_GetIntFromObj(interp, objv[3], &nSize)
5872   ){
5873    return TCL_ERROR;
5874   }
5875   zDb = Tcl_GetString(objv[2]);
5876   if( zDb[0]=='\0' ) zDb = NULL;
5877 
5878   rc = sqlite3_file_control(db, zDb, SQLITE_FCNTL_CHUNK_SIZE, (void *)&nSize);
5879   if( rc ){
5880     Tcl_SetResult(interp, (char *)sqlite3ErrName(rc), TCL_STATIC);
5881     return TCL_ERROR;
5882   }
5883   return TCL_OK;
5884 }
5885 
5886 /*
5887 ** tclcmd:   file_control_sizehint_test DB DBNAME SIZE
5888 **
5889 ** This TCL command runs the sqlite3_file_control interface
5890 ** with SQLITE_FCNTL_SIZE_HINT
5891 */
5892 static int SQLITE_TCLAPI file_control_sizehint_test(
5893   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
5894   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
5895   int objc,              /* Number of arguments */
5896   Tcl_Obj *CONST objv[]  /* Command arguments */
5897 ){
5898   Tcl_WideInt nSize;              /* Hinted size */
5899   char *zDb;                      /* Db name ("main", "temp" etc.) */
5900   sqlite3 *db;                    /* Database handle */
5901   int rc;                         /* file_control() return code */
5902 
5903   if( objc!=4 ){
5904     Tcl_WrongNumArgs(interp, 1, objv, "DB DBNAME SIZE");
5905     return TCL_ERROR;
5906   }
5907   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db)
5908    || Tcl_GetWideIntFromObj(interp, objv[3], &nSize)
5909   ){
5910    return TCL_ERROR;
5911   }
5912   zDb = Tcl_GetString(objv[2]);
5913   if( zDb[0]=='\0' ) zDb = NULL;
5914 
5915   rc = sqlite3_file_control(db, zDb, SQLITE_FCNTL_SIZE_HINT, (void *)&nSize);
5916   if( rc ){
5917     Tcl_SetResult(interp, (char *)sqlite3ErrName(rc), TCL_STATIC);
5918     return TCL_ERROR;
5919   }
5920   return TCL_OK;
5921 }
5922 
5923 /*
5924 ** tclcmd:   file_control_lockproxy_test DB PWD
5925 **
5926 ** This TCL command runs the sqlite3_file_control interface and
5927 ** verifies correct operation of the SQLITE_GET_LOCKPROXYFILE and
5928 ** SQLITE_SET_LOCKPROXYFILE verbs.
5929 */
5930 static int SQLITE_TCLAPI file_control_lockproxy_test(
5931   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
5932   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
5933   int objc,              /* Number of arguments */
5934   Tcl_Obj *CONST objv[]  /* Command arguments */
5935 ){
5936   sqlite3 *db;
5937 
5938   if( objc!=3 ){
5939     Tcl_AppendResult(interp, "wrong # args: should be \"",
5940                      Tcl_GetStringFromObj(objv[0], 0), " DB PWD", 0);
5941     return TCL_ERROR;
5942   }
5943   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ){
5944    return TCL_ERROR;
5945   }
5946 
5947 #if !defined(SQLITE_ENABLE_LOCKING_STYLE)
5948 #  if defined(__APPLE__)
5949 #    define SQLITE_ENABLE_LOCKING_STYLE 1
5950 #  else
5951 #    define SQLITE_ENABLE_LOCKING_STYLE 0
5952 #  endif
5953 #endif
5954 #if SQLITE_ENABLE_LOCKING_STYLE && defined(__APPLE__)
5955   {
5956     char *testPath;
5957     int rc;
5958     int nPwd;
5959     const char *zPwd;
5960     char proxyPath[400];
5961 
5962     zPwd = Tcl_GetStringFromObj(objv[2], &nPwd);
5963     if( sizeof(proxyPath)<nPwd+20 ){
5964       Tcl_AppendResult(interp, "PWD too big", (void*)0);
5965       return TCL_ERROR;
5966     }
5967     sqlite3_snprintf(sizeof(proxyPath), proxyPath, "%s/test.proxy", zPwd);
5968     rc = sqlite3_file_control(db, NULL, SQLITE_SET_LOCKPROXYFILE, proxyPath);
5969     if( rc ){
5970       Tcl_SetObjResult(interp, Tcl_NewIntObj(rc));
5971       return TCL_ERROR;
5972     }
5973     rc = sqlite3_file_control(db, NULL, SQLITE_GET_LOCKPROXYFILE, &testPath);
5974     if( strncmp(proxyPath,testPath,11) ){
5975       Tcl_AppendResult(interp, "Lock proxy file did not match the "
5976                                "previously assigned value", 0);
5977       return TCL_ERROR;
5978     }
5979     if( rc ){
5980       Tcl_SetObjResult(interp, Tcl_NewIntObj(rc));
5981       return TCL_ERROR;
5982     }
5983     rc = sqlite3_file_control(db, NULL, SQLITE_SET_LOCKPROXYFILE, proxyPath);
5984     if( rc ){
5985       Tcl_SetObjResult(interp, Tcl_NewIntObj(rc));
5986       return TCL_ERROR;
5987     }
5988   }
5989 #endif
5990   return TCL_OK;
5991 }
5992 
5993 #if SQLITE_OS_WIN
5994 /*
5995 ** tclcmd:   file_control_win32_av_retry DB  NRETRY  DELAY
5996 **
5997 ** This TCL command runs the sqlite3_file_control interface with
5998 ** the SQLITE_FCNTL_WIN32_AV_RETRY opcode.
5999 */
6000 static int SQLITE_TCLAPI file_control_win32_av_retry(
6001   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
6002   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
6003   int objc,              /* Number of arguments */
6004   Tcl_Obj *CONST objv[]  /* Command arguments */
6005 ){
6006   sqlite3 *db;
6007   int rc;
6008   int a[2];
6009   char z[100];
6010 
6011   if( objc!=4 ){
6012     Tcl_AppendResult(interp, "wrong # args: should be \"",
6013         Tcl_GetStringFromObj(objv[0], 0), " DB NRETRY DELAY", 0);
6014     return TCL_ERROR;
6015   }
6016   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ){
6017     return TCL_ERROR;
6018   }
6019   if( Tcl_GetIntFromObj(interp, objv[2], &a[0]) ) return TCL_ERROR;
6020   if( Tcl_GetIntFromObj(interp, objv[3], &a[1]) ) return TCL_ERROR;
6021   rc = sqlite3_file_control(db, NULL, SQLITE_FCNTL_WIN32_AV_RETRY, (void*)a);
6022   sqlite3_snprintf(sizeof(z), z, "%d %d %d", rc, a[0], a[1]);
6023   Tcl_AppendResult(interp, z, (char*)0);
6024   return TCL_OK;
6025 }
6026 
6027 /*
6028 ** tclcmd:   file_control_win32_get_handle DB
6029 **
6030 ** This TCL command runs the sqlite3_file_control interface with
6031 ** the SQLITE_FCNTL_WIN32_GET_HANDLE opcode.
6032 */
6033 static int file_control_win32_get_handle(
6034   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
6035   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
6036   int objc,              /* Number of arguments */
6037   Tcl_Obj *CONST objv[]  /* Command arguments */
6038 ){
6039   sqlite3 *db;
6040   int rc;
6041   HANDLE hFile = NULL;
6042   char z[100];
6043 
6044   if( objc!=2 ){
6045     Tcl_AppendResult(interp, "wrong # args: should be \"",
6046         Tcl_GetStringFromObj(objv[0], 0), " DB", 0);
6047     return TCL_ERROR;
6048   }
6049   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ){
6050     return TCL_ERROR;
6051   }
6052   rc = sqlite3_file_control(db, NULL, SQLITE_FCNTL_WIN32_GET_HANDLE,
6053                             (void*)&hFile);
6054   sqlite3_snprintf(sizeof(z), z, "%d %p", rc, (void*)hFile);
6055   Tcl_AppendResult(interp, z, (char*)0);
6056   return TCL_OK;
6057 }
6058 
6059 /*
6060 ** tclcmd:   file_control_win32_set_handle DB HANDLE
6061 **
6062 ** This TCL command runs the sqlite3_file_control interface with
6063 ** the SQLITE_FCNTL_WIN32_SET_HANDLE opcode.
6064 */
6065 static int SQLITE_TCLAPI file_control_win32_set_handle(
6066   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
6067   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
6068   int objc,              /* Number of arguments */
6069   Tcl_Obj *CONST objv[]  /* Command arguments */
6070 ){
6071   sqlite3 *db;
6072   int rc;
6073   HANDLE hFile = NULL;
6074   char z[100];
6075 
6076   if( objc!=3 ){
6077     Tcl_AppendResult(interp, "wrong # args: should be \"",
6078         Tcl_GetStringFromObj(objv[0], 0), " DB HANDLE", 0);
6079     return TCL_ERROR;
6080   }
6081   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ){
6082     return TCL_ERROR;
6083   }
6084   if( getWin32Handle(interp, Tcl_GetString(objv[2]), &hFile) ){
6085     return TCL_ERROR;
6086   }
6087   rc = sqlite3_file_control(db, NULL, SQLITE_FCNTL_WIN32_SET_HANDLE,
6088                             (void*)&hFile);
6089   sqlite3_snprintf(sizeof(z), z, "%d %p", rc, (void*)hFile);
6090   Tcl_AppendResult(interp, z, (char*)0);
6091   return TCL_OK;
6092 }
6093 #endif
6094 
6095 /*
6096 ** tclcmd:   file_control_persist_wal DB PERSIST-FLAG
6097 **
6098 ** This TCL command runs the sqlite3_file_control interface with
6099 ** the SQLITE_FCNTL_PERSIST_WAL opcode.
6100 */
6101 static int SQLITE_TCLAPI file_control_persist_wal(
6102   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
6103   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
6104   int objc,              /* Number of arguments */
6105   Tcl_Obj *CONST objv[]  /* Command arguments */
6106 ){
6107   sqlite3 *db;
6108   int rc;
6109   int bPersist;
6110   char z[100];
6111 
6112   if( objc!=3 ){
6113     Tcl_AppendResult(interp, "wrong # args: should be \"",
6114         Tcl_GetStringFromObj(objv[0], 0), " DB FLAG", 0);
6115     return TCL_ERROR;
6116   }
6117   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ){
6118     return TCL_ERROR;
6119   }
6120   if( Tcl_GetIntFromObj(interp, objv[2], &bPersist) ) return TCL_ERROR;
6121   rc = sqlite3_file_control(db, NULL, SQLITE_FCNTL_PERSIST_WAL, (void*)&bPersist);
6122   sqlite3_snprintf(sizeof(z), z, "%d %d", rc, bPersist);
6123   Tcl_AppendResult(interp, z, (char*)0);
6124   return TCL_OK;
6125 }
6126 
6127 /*
6128 ** tclcmd:   file_control_powersafe_overwrite DB PSOW-FLAG
6129 **
6130 ** This TCL command runs the sqlite3_file_control interface with
6131 ** the SQLITE_FCNTL_POWERSAFE_OVERWRITE opcode.
6132 */
6133 static int SQLITE_TCLAPI file_control_powersafe_overwrite(
6134   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
6135   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
6136   int objc,              /* Number of arguments */
6137   Tcl_Obj *CONST objv[]  /* Command arguments */
6138 ){
6139   sqlite3 *db;
6140   int rc;
6141   int b;
6142   char z[100];
6143 
6144   if( objc!=3 ){
6145     Tcl_AppendResult(interp, "wrong # args: should be \"",
6146         Tcl_GetStringFromObj(objv[0], 0), " DB FLAG", 0);
6147     return TCL_ERROR;
6148   }
6149   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ){
6150     return TCL_ERROR;
6151   }
6152   if( Tcl_GetIntFromObj(interp, objv[2], &b) ) return TCL_ERROR;
6153   rc = sqlite3_file_control(db,NULL,SQLITE_FCNTL_POWERSAFE_OVERWRITE,(void*)&b);
6154   sqlite3_snprintf(sizeof(z), z, "%d %d", rc, b);
6155   Tcl_AppendResult(interp, z, (char*)0);
6156   return TCL_OK;
6157 }
6158 
6159 
6160 /*
6161 ** tclcmd:   file_control_vfsname DB ?AUXDB?
6162 **
6163 ** Return a string that describes the stack of VFSes.
6164 */
6165 static int SQLITE_TCLAPI file_control_vfsname(
6166   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
6167   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
6168   int objc,              /* Number of arguments */
6169   Tcl_Obj *CONST objv[]  /* Command arguments */
6170 ){
6171   sqlite3 *db;
6172   const char *zDbName = "main";
6173   char *zVfsName = 0;
6174 
6175   if( objc!=2 && objc!=3 ){
6176     Tcl_AppendResult(interp, "wrong # args: should be \"",
6177         Tcl_GetStringFromObj(objv[0], 0), " DB ?AUXDB?", 0);
6178     return TCL_ERROR;
6179   }
6180   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ){
6181     return TCL_ERROR;
6182   }
6183   if( objc==3 ){
6184     zDbName = Tcl_GetString(objv[2]);
6185   }
6186   sqlite3_file_control(db, zDbName, SQLITE_FCNTL_VFSNAME,(void*)&zVfsName);
6187   Tcl_AppendResult(interp, zVfsName, (char*)0);
6188   sqlite3_free(zVfsName);
6189   return TCL_OK;
6190 }
6191 
6192 /*
6193 ** tclcmd:   file_control_tempfilename DB ?AUXDB?
6194 **
6195 ** Return a string that is a temporary filename
6196 */
6197 static int SQLITE_TCLAPI file_control_tempfilename(
6198   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
6199   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
6200   int objc,              /* Number of arguments */
6201   Tcl_Obj *CONST objv[]  /* Command arguments */
6202 ){
6203   sqlite3 *db;
6204   const char *zDbName = "main";
6205   char *zTName = 0;
6206 
6207   if( objc!=2 && objc!=3 ){
6208     Tcl_AppendResult(interp, "wrong # args: should be \"",
6209         Tcl_GetStringFromObj(objv[0], 0), " DB ?AUXDB?", 0);
6210     return TCL_ERROR;
6211   }
6212   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ){
6213     return TCL_ERROR;
6214   }
6215   if( objc==3 ){
6216     zDbName = Tcl_GetString(objv[2]);
6217   }
6218   sqlite3_file_control(db, zDbName, SQLITE_FCNTL_TEMPFILENAME, (void*)&zTName);
6219   Tcl_AppendResult(interp, zTName, (char*)0);
6220   sqlite3_free(zTName);
6221   return TCL_OK;
6222 }
6223 
6224 
6225 /*
6226 ** tclcmd:   sqlite3_vfs_list
6227 **
6228 **   Return a tcl list containing the names of all registered vfs's.
6229 */
6230 static int SQLITE_TCLAPI vfs_list(
6231   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
6232   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
6233   int objc,              /* Number of arguments */
6234   Tcl_Obj *CONST objv[]  /* Command arguments */
6235 ){
6236   sqlite3_vfs *pVfs;
6237   Tcl_Obj *pRet = Tcl_NewObj();
6238   if( objc!=1 ){
6239     Tcl_WrongNumArgs(interp, 1, objv, "");
6240     return TCL_ERROR;
6241   }
6242   for(pVfs=sqlite3_vfs_find(0); pVfs; pVfs=pVfs->pNext){
6243     Tcl_ListObjAppendElement(interp, pRet, Tcl_NewStringObj(pVfs->zName, -1));
6244   }
6245   Tcl_SetObjResult(interp, pRet);
6246   return TCL_OK;
6247 }
6248 
6249 /*
6250 ** tclcmd:   sqlite3_limit DB ID VALUE
6251 **
6252 ** This TCL command runs the sqlite3_limit interface and
6253 ** verifies correct operation of the same.
6254 */
6255 static int SQLITE_TCLAPI test_limit(
6256   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
6257   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
6258   int objc,              /* Number of arguments */
6259   Tcl_Obj *CONST objv[]  /* Command arguments */
6260 ){
6261   sqlite3 *db;
6262   int rc;
6263   static const struct {
6264      char *zName;
6265      int id;
6266   } aId[] = {
6267     { "SQLITE_LIMIT_LENGTH",              SQLITE_LIMIT_LENGTH               },
6268     { "SQLITE_LIMIT_SQL_LENGTH",          SQLITE_LIMIT_SQL_LENGTH           },
6269     { "SQLITE_LIMIT_COLUMN",              SQLITE_LIMIT_COLUMN               },
6270     { "SQLITE_LIMIT_EXPR_DEPTH",          SQLITE_LIMIT_EXPR_DEPTH           },
6271     { "SQLITE_LIMIT_COMPOUND_SELECT",     SQLITE_LIMIT_COMPOUND_SELECT      },
6272     { "SQLITE_LIMIT_VDBE_OP",             SQLITE_LIMIT_VDBE_OP              },
6273     { "SQLITE_LIMIT_FUNCTION_ARG",        SQLITE_LIMIT_FUNCTION_ARG         },
6274     { "SQLITE_LIMIT_ATTACHED",            SQLITE_LIMIT_ATTACHED             },
6275     { "SQLITE_LIMIT_LIKE_PATTERN_LENGTH", SQLITE_LIMIT_LIKE_PATTERN_LENGTH  },
6276     { "SQLITE_LIMIT_VARIABLE_NUMBER",     SQLITE_LIMIT_VARIABLE_NUMBER      },
6277     { "SQLITE_LIMIT_TRIGGER_DEPTH",       SQLITE_LIMIT_TRIGGER_DEPTH        },
6278     { "SQLITE_LIMIT_WORKER_THREADS",      SQLITE_LIMIT_WORKER_THREADS       },
6279 
6280     /* Out of range test cases */
6281     { "SQLITE_LIMIT_TOOSMALL",            -1,                               },
6282     { "SQLITE_LIMIT_TOOBIG",              SQLITE_LIMIT_WORKER_THREADS+1     },
6283   };
6284   int i, id = 0;
6285   int val;
6286   const char *zId;
6287 
6288   if( objc!=4 ){
6289     Tcl_AppendResult(interp, "wrong # args: should be \"",
6290         Tcl_GetStringFromObj(objv[0], 0), " DB ID VALUE", 0);
6291     return TCL_ERROR;
6292   }
6293   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
6294   zId = Tcl_GetString(objv[2]);
6295   for(i=0; i<sizeof(aId)/sizeof(aId[0]); i++){
6296     if( strcmp(zId, aId[i].zName)==0 ){
6297       id = aId[i].id;
6298       break;
6299     }
6300   }
6301   if( i>=sizeof(aId)/sizeof(aId[0]) ){
6302     Tcl_AppendResult(interp, "unknown limit type: ", zId, (char*)0);
6303     return TCL_ERROR;
6304   }
6305   if( Tcl_GetIntFromObj(interp, objv[3], &val) ) return TCL_ERROR;
6306   rc = sqlite3_limit(db, id, val);
6307   Tcl_SetObjResult(interp, Tcl_NewIntObj(rc));
6308   return TCL_OK;
6309 }
6310 
6311 /*
6312 ** tclcmd:  save_prng_state
6313 **
6314 ** Save the state of the pseudo-random number generator.
6315 ** At the same time, verify that sqlite3_test_control works even when
6316 ** called with an out-of-range opcode.
6317 */
6318 static int SQLITE_TCLAPI save_prng_state(
6319   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
6320   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
6321   int objc,              /* Number of arguments */
6322   Tcl_Obj *CONST objv[]  /* Command arguments */
6323 ){
6324   int rc = sqlite3_test_control(9999);
6325   assert( rc==0 );
6326   rc = sqlite3_test_control(-1);
6327   assert( rc==0 );
6328   sqlite3_test_control(SQLITE_TESTCTRL_PRNG_SAVE);
6329   return TCL_OK;
6330 }
6331 /*
6332 ** tclcmd:  restore_prng_state
6333 */
6334 static int SQLITE_TCLAPI restore_prng_state(
6335   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
6336   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
6337   int objc,              /* Number of arguments */
6338   Tcl_Obj *CONST objv[]  /* Command arguments */
6339 ){
6340   sqlite3_test_control(SQLITE_TESTCTRL_PRNG_RESTORE);
6341   return TCL_OK;
6342 }
6343 /*
6344 ** tclcmd:  reset_prng_state
6345 */
6346 static int SQLITE_TCLAPI reset_prng_state(
6347   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
6348   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
6349   int objc,              /* Number of arguments */
6350   Tcl_Obj *CONST objv[]  /* Command arguments */
6351 ){
6352   sqlite3_test_control(SQLITE_TESTCTRL_PRNG_RESET);
6353   return TCL_OK;
6354 }
6355 
6356 /*
6357 ** tclcmd:  database_may_be_corrupt
6358 **
6359 ** Indicate that database files might be corrupt. In other words, set the normal
6360 ** state of operation.
6361 */
6362 static int SQLITE_TCLAPI database_may_be_corrupt(
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_test_control(SQLITE_TESTCTRL_NEVER_CORRUPT, 0);
6369   return TCL_OK;
6370 }
6371 /*
6372 ** tclcmd:  database_never_corrupt
6373 **
6374 ** Indicate that database files are always well-formed. This enables
6375 ** extra assert() statements that test conditions that are always true
6376 ** for well-formed databases.
6377 */
6378 static int SQLITE_TCLAPI database_never_corrupt(
6379   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
6380   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
6381   int objc,              /* Number of arguments */
6382   Tcl_Obj *CONST objv[]  /* Command arguments */
6383 ){
6384   sqlite3_test_control(SQLITE_TESTCTRL_NEVER_CORRUPT, 1);
6385   return TCL_OK;
6386 }
6387 
6388 /*
6389 ** tclcmd:  pcache_stats
6390 */
6391 static int SQLITE_TCLAPI test_pcache_stats(
6392   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
6393   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
6394   int objc,              /* Number of arguments */
6395   Tcl_Obj *CONST objv[]  /* Command arguments */
6396 ){
6397   int nMin;
6398   int nMax;
6399   int nCurrent;
6400   int nRecyclable;
6401   Tcl_Obj *pRet;
6402 
6403   sqlite3PcacheStats(&nCurrent, &nMax, &nMin, &nRecyclable);
6404 
6405   pRet = Tcl_NewObj();
6406   Tcl_ListObjAppendElement(interp, pRet, Tcl_NewStringObj("current", -1));
6407   Tcl_ListObjAppendElement(interp, pRet, Tcl_NewIntObj(nCurrent));
6408   Tcl_ListObjAppendElement(interp, pRet, Tcl_NewStringObj("max", -1));
6409   Tcl_ListObjAppendElement(interp, pRet, Tcl_NewIntObj(nMax));
6410   Tcl_ListObjAppendElement(interp, pRet, Tcl_NewStringObj("min", -1));
6411   Tcl_ListObjAppendElement(interp, pRet, Tcl_NewIntObj(nMin));
6412   Tcl_ListObjAppendElement(interp, pRet, Tcl_NewStringObj("recyclable", -1));
6413   Tcl_ListObjAppendElement(interp, pRet, Tcl_NewIntObj(nRecyclable));
6414 
6415   Tcl_SetObjResult(interp, pRet);
6416 
6417   return TCL_OK;
6418 }
6419 
6420 #ifdef SQLITE_ENABLE_UNLOCK_NOTIFY
6421 static void test_unlock_notify_cb(void **aArg, int nArg){
6422   int ii;
6423   for(ii=0; ii<nArg; ii++){
6424     Tcl_EvalEx((Tcl_Interp *)aArg[ii], "unlock_notify", -1, TCL_EVAL_GLOBAL);
6425   }
6426 }
6427 #endif /* SQLITE_ENABLE_UNLOCK_NOTIFY */
6428 
6429 /*
6430 ** tclcmd:  sqlite3_unlock_notify db
6431 */
6432 #ifdef SQLITE_ENABLE_UNLOCK_NOTIFY
6433 static int SQLITE_TCLAPI test_unlock_notify(
6434   ClientData clientData, /* Unused */
6435   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
6436   int objc,              /* Number of arguments */
6437   Tcl_Obj *CONST objv[]  /* Command arguments */
6438 ){
6439   sqlite3 *db;
6440   int rc;
6441 
6442   if( objc!=2 ){
6443     Tcl_WrongNumArgs(interp, 1, objv, "DB");
6444     return TCL_ERROR;
6445   }
6446 
6447   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ){
6448     return TCL_ERROR;
6449   }
6450   rc = sqlite3_unlock_notify(db, test_unlock_notify_cb, (void *)interp);
6451   Tcl_SetResult(interp, (char *)t1ErrorName(rc), TCL_STATIC);
6452   return TCL_OK;
6453 }
6454 #endif
6455 
6456 /*
6457 ** tclcmd:  sqlite3_wal_checkpoint db ?NAME?
6458 */
6459 static int SQLITE_TCLAPI test_wal_checkpoint(
6460   ClientData clientData, /* Unused */
6461   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
6462   int objc,              /* Number of arguments */
6463   Tcl_Obj *CONST objv[]  /* Command arguments */
6464 ){
6465   char *zDb = 0;
6466   sqlite3 *db;
6467   int rc;
6468 
6469   if( objc!=3 && objc!=2 ){
6470     Tcl_WrongNumArgs(interp, 1, objv, "DB ?NAME?");
6471     return TCL_ERROR;
6472   }
6473 
6474   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ){
6475     return TCL_ERROR;
6476   }
6477   if( objc==3 ){
6478     zDb = Tcl_GetString(objv[2]);
6479   }
6480   rc = sqlite3_wal_checkpoint(db, zDb);
6481   Tcl_SetResult(interp, (char *)t1ErrorName(rc), TCL_STATIC);
6482   return TCL_OK;
6483 }
6484 
6485 /*
6486 ** tclcmd:  sqlite3_wal_checkpoint_v2 db MODE ?NAME?
6487 **
6488 ** This command calls the wal_checkpoint_v2() function with the specified
6489 ** mode argument (passive, full or restart). If present, the database name
6490 ** NAME is passed as the second argument to wal_checkpoint_v2(). If it the
6491 ** NAME argument is not present, a NULL pointer is passed instead.
6492 **
6493 ** If wal_checkpoint_v2() returns any value other than SQLITE_BUSY or
6494 ** SQLITE_OK, then this command returns TCL_ERROR. The Tcl result is set
6495 ** to the error message obtained from sqlite3_errmsg().
6496 **
6497 ** Otherwise, this command returns a list of three integers. The first integer
6498 ** is 1 if SQLITE_BUSY was returned, or 0 otherwise. The following two integers
6499 ** are the values returned via the output parameters by wal_checkpoint_v2() -
6500 ** the number of frames in the log and the number of frames in the log
6501 ** that have been checkpointed.
6502 */
6503 static int SQLITE_TCLAPI test_wal_checkpoint_v2(
6504   ClientData clientData, /* Unused */
6505   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
6506   int objc,              /* Number of arguments */
6507   Tcl_Obj *CONST objv[]  /* Command arguments */
6508 ){
6509   char *zDb = 0;
6510   sqlite3 *db;
6511   int rc;
6512 
6513   int eMode;
6514   int nLog = -555;
6515   int nCkpt = -555;
6516   Tcl_Obj *pRet;
6517 
6518   const char * aMode[] = { "passive", "full", "restart", "truncate", 0 };
6519   assert( SQLITE_CHECKPOINT_PASSIVE==0 );
6520   assert( SQLITE_CHECKPOINT_FULL==1 );
6521   assert( SQLITE_CHECKPOINT_RESTART==2 );
6522   assert( SQLITE_CHECKPOINT_TRUNCATE==3 );
6523 
6524   if( objc!=3 && objc!=4 ){
6525     Tcl_WrongNumArgs(interp, 1, objv, "DB MODE ?NAME?");
6526     return TCL_ERROR;
6527   }
6528 
6529   if( objc==4 ){
6530     zDb = Tcl_GetString(objv[3]);
6531   }
6532   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) || (
6533       TCL_OK!=Tcl_GetIntFromObj(0, objv[2], &eMode)
6534    && TCL_OK!=Tcl_GetIndexFromObj(interp, objv[2], aMode, "mode", 0, &eMode)
6535   )){
6536     return TCL_ERROR;
6537   }
6538 
6539   rc = sqlite3_wal_checkpoint_v2(db, zDb, eMode, &nLog, &nCkpt);
6540   if( rc!=SQLITE_OK && rc!=SQLITE_BUSY ){
6541     const char *zErrCode = sqlite3ErrName(rc);
6542     Tcl_ResetResult(interp);
6543     Tcl_AppendResult(interp, zErrCode, " - ", (char *)sqlite3_errmsg(db), 0);
6544     return TCL_ERROR;
6545   }
6546 
6547   pRet = Tcl_NewObj();
6548   Tcl_ListObjAppendElement(interp, pRet, Tcl_NewIntObj(rc==SQLITE_BUSY?1:0));
6549   Tcl_ListObjAppendElement(interp, pRet, Tcl_NewIntObj(nLog));
6550   Tcl_ListObjAppendElement(interp, pRet, Tcl_NewIntObj(nCkpt));
6551   Tcl_SetObjResult(interp, pRet);
6552 
6553   return TCL_OK;
6554 }
6555 
6556 /*
6557 ** tclcmd:  sqlite3_wal_autocheckpoint db VALUE
6558 */
6559 static int SQLITE_TCLAPI test_wal_autocheckpoint(
6560   ClientData clientData, /* Unused */
6561   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
6562   int objc,              /* Number of arguments */
6563   Tcl_Obj *CONST objv[]  /* Command arguments */
6564 ){
6565   sqlite3 *db;
6566   int rc;
6567   int iVal;
6568 
6569 
6570   if( objc!=3 ){
6571     Tcl_WrongNumArgs(interp, 1, objv, "DB VALUE");
6572     return TCL_ERROR;
6573   }
6574 
6575   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db)
6576    || Tcl_GetIntFromObj(0, objv[2], &iVal)
6577   ){
6578     return TCL_ERROR;
6579   }
6580 
6581   rc = sqlite3_wal_autocheckpoint(db, iVal);
6582   Tcl_ResetResult(interp);
6583   if( rc!=SQLITE_OK ){
6584     const char *zErrCode = sqlite3ErrName(rc);
6585     Tcl_SetObjResult(interp, Tcl_NewStringObj(zErrCode, -1));
6586     return TCL_ERROR;
6587   }
6588 
6589   return TCL_OK;
6590 }
6591 
6592 
6593 /*
6594 ** tclcmd:  test_sqlite3_log ?SCRIPT?
6595 */
6596 static struct LogCallback {
6597   Tcl_Interp *pInterp;
6598   Tcl_Obj *pObj;
6599 } logcallback = {0, 0};
6600 static void xLogcallback(void *unused, int err, char *zMsg){
6601   Tcl_Obj *pNew = Tcl_DuplicateObj(logcallback.pObj);
6602   Tcl_IncrRefCount(pNew);
6603   Tcl_ListObjAppendElement(
6604       0, pNew, Tcl_NewStringObj(sqlite3ErrName(err), -1)
6605   );
6606   Tcl_ListObjAppendElement(0, pNew, Tcl_NewStringObj(zMsg, -1));
6607   Tcl_EvalObjEx(logcallback.pInterp, pNew, TCL_EVAL_GLOBAL|TCL_EVAL_DIRECT);
6608   Tcl_DecrRefCount(pNew);
6609 }
6610 static int SQLITE_TCLAPI test_sqlite3_log(
6611   ClientData clientData,
6612   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
6613   int objc,              /* Number of arguments */
6614   Tcl_Obj *CONST objv[]  /* Command arguments */
6615 ){
6616   if( objc>2 ){
6617     Tcl_WrongNumArgs(interp, 1, objv, "SCRIPT");
6618     return TCL_ERROR;
6619   }
6620   if( logcallback.pObj ){
6621     Tcl_DecrRefCount(logcallback.pObj);
6622     logcallback.pObj = 0;
6623     logcallback.pInterp = 0;
6624     sqlite3_config(SQLITE_CONFIG_LOG, (void*)0, (void*)0);
6625   }
6626   if( objc>1 ){
6627     logcallback.pObj = objv[1];
6628     Tcl_IncrRefCount(logcallback.pObj);
6629     logcallback.pInterp = interp;
6630     sqlite3_config(SQLITE_CONFIG_LOG, xLogcallback, (void*)0);
6631   }
6632   return TCL_OK;
6633 }
6634 
6635 /*
6636 **     tcl_objproc COMMANDNAME ARGS...
6637 **
6638 ** Run a TCL command using its objProc interface.  Throw an error if
6639 ** the command has no objProc interface.
6640 */
6641 static int SQLITE_TCLAPI runAsObjProc(
6642   void * clientData,
6643   Tcl_Interp *interp,
6644   int objc,
6645   Tcl_Obj *CONST objv[]
6646 ){
6647   Tcl_CmdInfo cmdInfo;
6648   if( objc<2 ){
6649     Tcl_WrongNumArgs(interp, 1, objv, "COMMAND ...");
6650     return TCL_ERROR;
6651   }
6652   if( !Tcl_GetCommandInfo(interp, Tcl_GetString(objv[1]), &cmdInfo) ){
6653     Tcl_AppendResult(interp, "command not found: ",
6654            Tcl_GetString(objv[1]), (char*)0);
6655     return TCL_ERROR;
6656   }
6657   if( cmdInfo.objProc==0 ){
6658     Tcl_AppendResult(interp, "command has no objProc: ",
6659            Tcl_GetString(objv[1]), (char*)0);
6660     return TCL_ERROR;
6661   }
6662   return cmdInfo.objProc(cmdInfo.objClientData, interp, objc-1, objv+1);
6663 }
6664 
6665 #ifndef SQLITE_OMIT_EXPLAIN
6666 /*
6667 ** WARNING: The following function, printExplainQueryPlan() is an exact
6668 ** copy of example code from eqp.in (eqp.html). If this code is modified,
6669 ** then the documentation copy needs to be modified as well.
6670 */
6671 /*
6672 ** Argument pStmt is a prepared SQL statement. This function compiles
6673 ** an EXPLAIN QUERY PLAN command to report on the prepared statement,
6674 ** and prints the report to stdout using printf().
6675 */
6676 int printExplainQueryPlan(sqlite3_stmt *pStmt){
6677   const char *zSql;               /* Input SQL */
6678   char *zExplain;                 /* SQL with EXPLAIN QUERY PLAN prepended */
6679   sqlite3_stmt *pExplain;         /* Compiled EXPLAIN QUERY PLAN command */
6680   int rc;                         /* Return code from sqlite3_prepare_v2() */
6681 
6682   zSql = sqlite3_sql(pStmt);
6683   if( zSql==0 ) return SQLITE_ERROR;
6684 
6685   zExplain = sqlite3_mprintf("EXPLAIN QUERY PLAN %s", zSql);
6686   if( zExplain==0 ) return SQLITE_NOMEM;
6687 
6688   rc = sqlite3_prepare_v2(sqlite3_db_handle(pStmt), zExplain, -1, &pExplain, 0);
6689   sqlite3_free(zExplain);
6690   if( rc!=SQLITE_OK ) return rc;
6691 
6692   while( SQLITE_ROW==sqlite3_step(pExplain) ){
6693     int iSelectid = sqlite3_column_int(pExplain, 0);
6694     int iOrder = sqlite3_column_int(pExplain, 1);
6695     int iFrom = sqlite3_column_int(pExplain, 2);
6696     const char *zDetail = (const char *)sqlite3_column_text(pExplain, 3);
6697 
6698     printf("%d %d %d %s\n", iSelectid, iOrder, iFrom, zDetail);
6699   }
6700 
6701   return sqlite3_finalize(pExplain);
6702 }
6703 
6704 static int SQLITE_TCLAPI test_print_eqp(
6705   void * clientData,
6706   Tcl_Interp *interp,
6707   int objc,
6708   Tcl_Obj *CONST objv[]
6709 ){
6710   int rc;
6711   sqlite3_stmt *pStmt;
6712 
6713   if( objc!=2 ){
6714     Tcl_WrongNumArgs(interp, 1, objv, "STMT");
6715     return TCL_ERROR;
6716   }
6717   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
6718   rc = printExplainQueryPlan(pStmt);
6719   /* This is needed on Windows so that a test case using this
6720   ** function can open a read pipe and get the output of
6721   ** printExplainQueryPlan() immediately.
6722   */
6723   fflush(stdout);
6724   Tcl_SetResult(interp, (char *)t1ErrorName(rc), 0);
6725   return TCL_OK;
6726 }
6727 #endif /* SQLITE_OMIT_EXPLAIN */
6728 
6729 /*
6730 ** sqlite3_test_control VERB ARGS...
6731 */
6732 static int SQLITE_TCLAPI test_test_control(
6733   void * clientData,
6734   Tcl_Interp *interp,
6735   int objc,
6736   Tcl_Obj *CONST objv[]
6737 ){
6738   struct Verb {
6739     const char *zName;
6740     int i;
6741   } aVerb[] = {
6742     { "SQLITE_TESTCTRL_LOCALTIME_FAULT",    SQLITE_TESTCTRL_LOCALTIME_FAULT },
6743     { "SQLITE_TESTCTRL_SORTER_MMAP",        SQLITE_TESTCTRL_SORTER_MMAP     },
6744     { "SQLITE_TESTCTRL_IMPOSTER",           SQLITE_TESTCTRL_IMPOSTER        },
6745     { "SQLITE_TESTCTRL_INTERNAL_FUNCTIONS", SQLITE_TESTCTRL_INTERNAL_FUNCTIONS},
6746   };
6747   int iVerb;
6748   int iFlag;
6749   int rc;
6750 
6751   if( objc<2 ){
6752     Tcl_WrongNumArgs(interp, 1, objv, "VERB ARGS...");
6753     return TCL_ERROR;
6754   }
6755 
6756   rc = Tcl_GetIndexFromObjStruct(
6757       interp, objv[1], aVerb, sizeof(aVerb[0]), "VERB", 0, &iVerb
6758   );
6759   if( rc!=TCL_OK ) return rc;
6760 
6761   iFlag = aVerb[iVerb].i;
6762   switch( iFlag ){
6763     case SQLITE_TESTCTRL_INTERNAL_FUNCTIONS:
6764     case SQLITE_TESTCTRL_LOCALTIME_FAULT: {
6765       int val;
6766       if( objc!=3 ){
6767         Tcl_WrongNumArgs(interp, 2, objv, "ONOFF");
6768         return TCL_ERROR;
6769       }
6770       if( Tcl_GetBooleanFromObj(interp, objv[2], &val) ) return TCL_ERROR;
6771       sqlite3_test_control(iFlag, val);
6772       break;
6773     }
6774 
6775     case SQLITE_TESTCTRL_SORTER_MMAP: {
6776       int val;
6777       sqlite3 *db;
6778       if( objc!=4 ){
6779         Tcl_WrongNumArgs(interp, 2, objv, "DB LIMIT");
6780         return TCL_ERROR;
6781       }
6782       if( getDbPointer(interp, Tcl_GetString(objv[2]), &db) ) return TCL_ERROR;
6783       if( Tcl_GetIntFromObj(interp, objv[3], &val) ) return TCL_ERROR;
6784       sqlite3_test_control(SQLITE_TESTCTRL_SORTER_MMAP, db, val);
6785       break;
6786     }
6787 
6788     case SQLITE_TESTCTRL_IMPOSTER: {
6789       int onOff, tnum;
6790       const char *zDbName;
6791       sqlite3 *db;
6792       if( objc!=6 ){
6793         Tcl_WrongNumArgs(interp, 2, objv, "DB dbName onOff tnum");
6794         return TCL_ERROR;
6795       }
6796       if( getDbPointer(interp, Tcl_GetString(objv[2]), &db) ) return TCL_ERROR;
6797       zDbName = Tcl_GetString(objv[3]);
6798       if( Tcl_GetIntFromObj(interp, objv[4], &onOff) ) return TCL_ERROR;
6799       if( Tcl_GetIntFromObj(interp, objv[5], &tnum) ) return TCL_ERROR;
6800       sqlite3_test_control(SQLITE_TESTCTRL_IMPOSTER, db, zDbName, onOff, tnum);
6801       break;
6802     }
6803   }
6804 
6805   Tcl_ResetResult(interp);
6806   return TCL_OK;
6807 }
6808 
6809 #if SQLITE_OS_UNIX
6810 #include <sys/time.h>
6811 #include <sys/resource.h>
6812 
6813 static int SQLITE_TCLAPI test_getrusage(
6814   void * clientData,
6815   Tcl_Interp *interp,
6816   int objc,
6817   Tcl_Obj *CONST objv[]
6818 ){
6819   char buf[1024];
6820   struct rusage r;
6821   memset(&r, 0, sizeof(r));
6822   getrusage(RUSAGE_SELF, &r);
6823 
6824   sqlite3_snprintf(sizeof(buf), buf,
6825     "ru_utime=%d.%06d ru_stime=%d.%06d ru_minflt=%d ru_majflt=%d",
6826     (int)r.ru_utime.tv_sec, (int)r.ru_utime.tv_usec,
6827     (int)r.ru_stime.tv_sec, (int)r.ru_stime.tv_usec,
6828     (int)r.ru_minflt, (int)r.ru_majflt
6829   );
6830   Tcl_SetObjResult(interp, Tcl_NewStringObj(buf, -1));
6831   return TCL_OK;
6832 }
6833 #endif
6834 
6835 #if SQLITE_OS_WIN
6836 /*
6837 ** Information passed from the main thread into the windows file locker
6838 ** background thread.
6839 */
6840 struct win32FileLocker {
6841   char *evName;       /* Name of event to signal thread startup */
6842   HANDLE h;           /* Handle of the file to be locked */
6843   int delay1;         /* Delay before locking */
6844   int delay2;         /* Delay before unlocking */
6845   int ok;             /* Finished ok */
6846   int err;            /* True if an error occurs */
6847 };
6848 #endif
6849 
6850 
6851 #if SQLITE_OS_WIN
6852 #include <process.h>
6853 /*
6854 ** The background thread that does file locking.
6855 */
6856 static void SQLITE_CDECL win32_file_locker(void *pAppData){
6857   struct win32FileLocker *p = (struct win32FileLocker*)pAppData;
6858   if( p->evName ){
6859     HANDLE ev = OpenEvent(EVENT_MODIFY_STATE, FALSE, p->evName);
6860     if ( ev ){
6861       SetEvent(ev);
6862       CloseHandle(ev);
6863     }
6864   }
6865   if( p->delay1 ) Sleep(p->delay1);
6866   if( LockFile(p->h, 0, 0, 100000000, 0) ){
6867     Sleep(p->delay2);
6868     UnlockFile(p->h, 0, 0, 100000000, 0);
6869     p->ok = 1;
6870   }else{
6871     p->err = 1;
6872   }
6873   CloseHandle(p->h);
6874   p->h = 0;
6875   p->delay1 = 0;
6876   p->delay2 = 0;
6877 }
6878 #endif
6879 
6880 #if SQLITE_OS_WIN
6881 /*
6882 **      lock_win32_file FILENAME DELAY1 DELAY2
6883 **
6884 ** Get an exclusive manditory lock on file for DELAY2 milliseconds.
6885 ** Wait DELAY1 milliseconds before acquiring the lock.
6886 */
6887 static int SQLITE_TCLAPI win32_file_lock(
6888   void * clientData,
6889   Tcl_Interp *interp,
6890   int objc,
6891   Tcl_Obj *CONST objv[]
6892 ){
6893   static struct win32FileLocker x = { "win32_file_lock", 0, 0, 0, 0, 0 };
6894   const char *zFilename;
6895   char zBuf[200];
6896   int retry = 0;
6897   HANDLE ev;
6898   DWORD wResult;
6899 
6900   if( objc!=4 && objc!=1 ){
6901     Tcl_WrongNumArgs(interp, 1, objv, "FILENAME DELAY1 DELAY2");
6902     return TCL_ERROR;
6903   }
6904   if( objc==1 ){
6905     sqlite3_snprintf(sizeof(zBuf), zBuf, "%d %d %d %d %d",
6906                      x.ok, x.err, x.delay1, x.delay2, x.h);
6907     Tcl_AppendResult(interp, zBuf, (char*)0);
6908     return TCL_OK;
6909   }
6910   while( x.h && retry<30 ){
6911     retry++;
6912     Sleep(100);
6913   }
6914   if( x.h ){
6915     Tcl_AppendResult(interp, "busy", (char*)0);
6916     return TCL_ERROR;
6917   }
6918   if( Tcl_GetIntFromObj(interp, objv[2], &x.delay1) ) return TCL_ERROR;
6919   if( Tcl_GetIntFromObj(interp, objv[3], &x.delay2) ) return TCL_ERROR;
6920   zFilename = Tcl_GetString(objv[1]);
6921   x.h = CreateFile(zFilename, GENERIC_READ|GENERIC_WRITE,
6922               FILE_SHARE_READ|FILE_SHARE_WRITE, 0, OPEN_ALWAYS,
6923               FILE_ATTRIBUTE_NORMAL, 0);
6924   if( !x.h ){
6925     Tcl_AppendResult(interp, "cannot open file: ", zFilename, (char*)0);
6926     return TCL_ERROR;
6927   }
6928   ev = CreateEvent(NULL, TRUE, FALSE, x.evName);
6929   if ( !ev ){
6930     Tcl_AppendResult(interp, "cannot create event: ", x.evName, (char*)0);
6931     return TCL_ERROR;
6932   }
6933   _beginthread(win32_file_locker, 0, (void*)&x);
6934   Sleep(0);
6935   if ( (wResult = WaitForSingleObject(ev, 10000))!=WAIT_OBJECT_0 ){
6936     sqlite3_snprintf(sizeof(zBuf), zBuf, "0x%x", wResult);
6937     Tcl_AppendResult(interp, "wait failed: ", zBuf, (char*)0);
6938     CloseHandle(ev);
6939     return TCL_ERROR;
6940   }
6941   CloseHandle(ev);
6942   return TCL_OK;
6943 }
6944 
6945 /*
6946 **      exists_win32_path PATH
6947 **
6948 ** Returns non-zero if the specified path exists, whose fully qualified name
6949 ** may exceed 260 characters if it is prefixed with "\\?\".
6950 */
6951 static int SQLITE_TCLAPI win32_exists_path(
6952   void *clientData,
6953   Tcl_Interp *interp,
6954   int objc,
6955   Tcl_Obj *CONST objv[]
6956 ){
6957   if( objc!=2 ){
6958     Tcl_WrongNumArgs(interp, 1, objv, "PATH");
6959     return TCL_ERROR;
6960   }
6961   Tcl_SetObjResult(interp, Tcl_NewBooleanObj(
6962       GetFileAttributesW( Tcl_GetUnicode(objv[1]))!=INVALID_FILE_ATTRIBUTES ));
6963   return TCL_OK;
6964 }
6965 
6966 /*
6967 **      find_win32_file PATTERN
6968 **
6969 ** Returns a list of entries in a directory that match the specified pattern,
6970 ** whose fully qualified name may exceed 248 characters if it is prefixed with
6971 ** "\\?\".
6972 */
6973 static int SQLITE_TCLAPI win32_find_file(
6974   void *clientData,
6975   Tcl_Interp *interp,
6976   int objc,
6977   Tcl_Obj *CONST objv[]
6978 ){
6979   HANDLE hFindFile = INVALID_HANDLE_VALUE;
6980   WIN32_FIND_DATAW findData;
6981   Tcl_Obj *listObj;
6982   DWORD lastErrno;
6983   if( objc!=2 ){
6984     Tcl_WrongNumArgs(interp, 1, objv, "PATTERN");
6985     return TCL_ERROR;
6986   }
6987   hFindFile = FindFirstFileW(Tcl_GetUnicode(objv[1]), &findData);
6988   if( hFindFile==INVALID_HANDLE_VALUE ){
6989     Tcl_SetObjResult(interp, Tcl_NewWideIntObj(GetLastError()));
6990     return TCL_ERROR;
6991   }
6992   listObj = Tcl_NewObj();
6993   Tcl_IncrRefCount(listObj);
6994   do {
6995     Tcl_ListObjAppendElement(interp, listObj, Tcl_NewUnicodeObj(
6996         findData.cFileName, -1));
6997     Tcl_ListObjAppendElement(interp, listObj, Tcl_NewWideIntObj(
6998         findData.dwFileAttributes));
6999   } while( FindNextFileW(hFindFile, &findData) );
7000   lastErrno = GetLastError();
7001   if( lastErrno!=NO_ERROR && lastErrno!=ERROR_NO_MORE_FILES ){
7002     FindClose(hFindFile);
7003     Tcl_DecrRefCount(listObj);
7004     Tcl_SetObjResult(interp, Tcl_NewWideIntObj(GetLastError()));
7005     return TCL_ERROR;
7006   }
7007   FindClose(hFindFile);
7008   Tcl_SetObjResult(interp, listObj);
7009   return TCL_OK;
7010 }
7011 
7012 /*
7013 **      delete_win32_file FILENAME
7014 **
7015 ** Deletes the specified file, whose fully qualified name may exceed 260
7016 ** characters if it is prefixed with "\\?\".
7017 */
7018 static int SQLITE_TCLAPI win32_delete_file(
7019   void *clientData,
7020   Tcl_Interp *interp,
7021   int objc,
7022   Tcl_Obj *CONST objv[]
7023 ){
7024   if( objc!=2 ){
7025     Tcl_WrongNumArgs(interp, 1, objv, "FILENAME");
7026     return TCL_ERROR;
7027   }
7028   if( !DeleteFileW(Tcl_GetUnicode(objv[1])) ){
7029     Tcl_SetObjResult(interp, Tcl_NewWideIntObj(GetLastError()));
7030     return TCL_ERROR;
7031   }
7032   Tcl_ResetResult(interp);
7033   return TCL_OK;
7034 }
7035 
7036 /*
7037 **      make_win32_dir DIRECTORY
7038 **
7039 ** Creates the specified directory, whose fully qualified name may exceed 248
7040 ** characters if it is prefixed with "\\?\".
7041 */
7042 static int SQLITE_TCLAPI win32_mkdir(
7043   void *clientData,
7044   Tcl_Interp *interp,
7045   int objc,
7046   Tcl_Obj *CONST objv[]
7047 ){
7048   if( objc!=2 ){
7049     Tcl_WrongNumArgs(interp, 1, objv, "DIRECTORY");
7050     return TCL_ERROR;
7051   }
7052   if( !CreateDirectoryW(Tcl_GetUnicode(objv[1]), NULL) ){
7053     Tcl_SetObjResult(interp, Tcl_NewWideIntObj(GetLastError()));
7054     return TCL_ERROR;
7055   }
7056   Tcl_ResetResult(interp);
7057   return TCL_OK;
7058 }
7059 
7060 /*
7061 **      remove_win32_dir DIRECTORY
7062 **
7063 ** Removes the specified directory, whose fully qualified name may exceed 248
7064 ** characters if it is prefixed with "\\?\".
7065 */
7066 static int SQLITE_TCLAPI win32_rmdir(
7067   void *clientData,
7068   Tcl_Interp *interp,
7069   int objc,
7070   Tcl_Obj *CONST objv[]
7071 ){
7072   if( objc!=2 ){
7073     Tcl_WrongNumArgs(interp, 1, objv, "DIRECTORY");
7074     return TCL_ERROR;
7075   }
7076   if( !RemoveDirectoryW(Tcl_GetUnicode(objv[1])) ){
7077     Tcl_SetObjResult(interp, Tcl_NewWideIntObj(GetLastError()));
7078     return TCL_ERROR;
7079   }
7080   Tcl_ResetResult(interp);
7081   return TCL_OK;
7082 }
7083 #endif
7084 
7085 
7086 /*
7087 **      optimization_control DB OPT BOOLEAN
7088 **
7089 ** Enable or disable query optimizations using the sqlite3_test_control()
7090 ** interface.  Disable if BOOLEAN is false and enable if BOOLEAN is true.
7091 ** OPT is the name of the optimization to be disabled.
7092 */
7093 static int SQLITE_TCLAPI optimization_control(
7094   void * clientData,
7095   Tcl_Interp *interp,
7096   int objc,
7097   Tcl_Obj *CONST objv[]
7098 ){
7099   int i;
7100   sqlite3 *db;
7101   const char *zOpt;
7102   int onoff;
7103   int mask = 0;
7104   static const struct {
7105     const char *zOptName;
7106     int mask;
7107   } aOpt[] = {
7108     { "all",                 SQLITE_AllOpts        },
7109     { "none",                0                     },
7110     { "query-flattener",     SQLITE_QueryFlattener },
7111     { "groupby-order",       SQLITE_GroupByOrder   },
7112     { "factor-constants",    SQLITE_FactorOutConst },
7113     { "distinct-opt",        SQLITE_DistinctOpt    },
7114     { "cover-idx-scan",      SQLITE_CoverIdxScan   },
7115     { "order-by-idx-join",   SQLITE_OrderByIdxJoin },
7116     { "transitive",          SQLITE_Transitive     },
7117     { "omit-noop-join",      SQLITE_OmitNoopJoin   },
7118     { "stat3",               SQLITE_Stat34         },
7119     { "stat4",               SQLITE_Stat34         },
7120     { "skip-scan",           SQLITE_SkipScan       },
7121   };
7122 
7123   if( objc!=4 ){
7124     Tcl_WrongNumArgs(interp, 1, objv, "DB OPT BOOLEAN");
7125     return TCL_ERROR;
7126   }
7127   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
7128   if( Tcl_GetBooleanFromObj(interp, objv[3], &onoff) ) return TCL_ERROR;
7129   zOpt = Tcl_GetString(objv[2]);
7130   for(i=0; i<sizeof(aOpt)/sizeof(aOpt[0]); i++){
7131     if( strcmp(zOpt, aOpt[i].zOptName)==0 ){
7132       mask = aOpt[i].mask;
7133       break;
7134     }
7135   }
7136   if( onoff ) mask = ~mask;
7137   if( i>=sizeof(aOpt)/sizeof(aOpt[0]) ){
7138     Tcl_AppendResult(interp, "unknown optimization - should be one of:",
7139                      (char*)0);
7140     for(i=0; i<sizeof(aOpt)/sizeof(aOpt[0]); i++){
7141       Tcl_AppendResult(interp, " ", aOpt[i].zOptName, (char*)0);
7142     }
7143     return TCL_ERROR;
7144   }
7145   sqlite3_test_control(SQLITE_TESTCTRL_OPTIMIZATIONS, db, mask);
7146   return TCL_OK;
7147 }
7148 
7149 /*
7150 **     load_static_extension DB NAME ...
7151 **
7152 ** Load one or more statically linked extensions.
7153 */
7154 static int SQLITE_TCLAPI tclLoadStaticExtensionCmd(
7155   void * clientData,
7156   Tcl_Interp *interp,
7157   int objc,
7158   Tcl_Obj *CONST objv[]
7159 ){
7160   extern int sqlite3_amatch_init(sqlite3*,char**,const sqlite3_api_routines*);
7161   extern int sqlite3_carray_init(sqlite3*,char**,const sqlite3_api_routines*);
7162   extern int sqlite3_closure_init(sqlite3*,char**,const sqlite3_api_routines*);
7163   extern int sqlite3_csv_init(sqlite3*,char**,const sqlite3_api_routines*);
7164   extern int sqlite3_eval_init(sqlite3*,char**,const sqlite3_api_routines*);
7165   extern int sqlite3_explain_init(sqlite3*,char**,const sqlite3_api_routines*);
7166   extern int sqlite3_fileio_init(sqlite3*,char**,const sqlite3_api_routines*);
7167   extern int sqlite3_fuzzer_init(sqlite3*,char**,const sqlite3_api_routines*);
7168   extern int sqlite3_ieee_init(sqlite3*,char**,const sqlite3_api_routines*);
7169   extern int sqlite3_nextchar_init(sqlite3*,char**,const sqlite3_api_routines*);
7170   extern int sqlite3_percentile_init(sqlite3*,char**,const sqlite3_api_routines*);
7171 #ifndef SQLITE_OMIT_VIRTUALTABLE
7172   extern int sqlite3_prefixes_init(sqlite3*,char**,const sqlite3_api_routines*);
7173 #endif
7174   extern int sqlite3_regexp_init(sqlite3*,char**,const sqlite3_api_routines*);
7175   extern int sqlite3_remember_init(sqlite3*,char**,const sqlite3_api_routines*);
7176   extern int sqlite3_series_init(sqlite3*,char**,const sqlite3_api_routines*);
7177   extern int sqlite3_spellfix_init(sqlite3*,char**,const sqlite3_api_routines*);
7178   extern int sqlite3_totype_init(sqlite3*,char**,const sqlite3_api_routines*);
7179   extern int sqlite3_wholenumber_init(sqlite3*,char**,const sqlite3_api_routines*);
7180   extern int sqlite3_unionvtab_init(sqlite3*,char**,const sqlite3_api_routines*);
7181 #ifdef SQLITE_HAVE_ZLIB
7182   extern int sqlite3_zipfile_init(sqlite3*,char**,const sqlite3_api_routines*);
7183 #endif
7184   static const struct {
7185     const char *zExtName;
7186     int (*pInit)(sqlite3*,char**,const sqlite3_api_routines*);
7187   } aExtension[] = {
7188     { "amatch",                sqlite3_amatch_init               },
7189     { "carray",                sqlite3_carray_init               },
7190     { "closure",               sqlite3_closure_init              },
7191     { "csv",                   sqlite3_csv_init                  },
7192     { "eval",                  sqlite3_eval_init                 },
7193     { "explain",               sqlite3_explain_init              },
7194     { "fileio",                sqlite3_fileio_init               },
7195     { "fuzzer",                sqlite3_fuzzer_init               },
7196     { "ieee754",               sqlite3_ieee_init                 },
7197     { "nextchar",              sqlite3_nextchar_init             },
7198     { "percentile",            sqlite3_percentile_init           },
7199 #ifndef SQLITE_OMIT_VIRTUALTABLE
7200     { "prefixes",              sqlite3_prefixes_init             },
7201 #endif
7202     { "regexp",                sqlite3_regexp_init               },
7203     { "remember",              sqlite3_remember_init             },
7204     { "series",                sqlite3_series_init               },
7205     { "spellfix",              sqlite3_spellfix_init             },
7206     { "totype",                sqlite3_totype_init               },
7207     { "unionvtab",             sqlite3_unionvtab_init            },
7208     { "wholenumber",           sqlite3_wholenumber_init          },
7209 #ifdef SQLITE_HAVE_ZLIB
7210     { "zipfile",               sqlite3_zipfile_init              },
7211 #endif
7212   };
7213   sqlite3 *db;
7214   const char *zName;
7215   int i, j, rc;
7216   char *zErrMsg = 0;
7217   if( objc<3 ){
7218     Tcl_WrongNumArgs(interp, 1, objv, "DB NAME ...");
7219     return TCL_ERROR;
7220   }
7221   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
7222   for(j=2; j<objc; j++){
7223     zName = Tcl_GetString(objv[j]);
7224     for(i=0; i<ArraySize(aExtension); i++){
7225       if( strcmp(zName, aExtension[i].zExtName)==0 ) break;
7226     }
7227     if( i>=ArraySize(aExtension) ){
7228       Tcl_AppendResult(interp, "no such extension: ", zName, (char*)0);
7229       return TCL_ERROR;
7230     }
7231     if( aExtension[i].pInit ){
7232       rc = aExtension[i].pInit(db, &zErrMsg, 0);
7233     }else{
7234       rc = SQLITE_OK;
7235     }
7236     if( rc!=SQLITE_OK || zErrMsg ){
7237       Tcl_AppendResult(interp, "initialization of ", zName, " failed: ", zErrMsg,
7238                        (char*)0);
7239       sqlite3_free(zErrMsg);
7240       return TCL_ERROR;
7241     }
7242   }
7243   return TCL_OK;
7244 }
7245 
7246 /*
7247 **     sorter_test_fakeheap BOOL
7248 **
7249 */
7250 static int SQLITE_TCLAPI sorter_test_fakeheap(
7251   void * clientData,
7252   Tcl_Interp *interp,
7253   int objc,
7254   Tcl_Obj *CONST objv[]
7255 ){
7256   int bArg;
7257   if( objc!=2 ){
7258     Tcl_WrongNumArgs(interp, 1, objv, "BOOL");
7259     return TCL_ERROR;
7260   }
7261 
7262   if( Tcl_GetBooleanFromObj(interp, objv[1], &bArg) ){
7263     return TCL_ERROR;
7264   }
7265 
7266   if( bArg ){
7267     if( sqlite3GlobalConfig.pHeap==0 ){
7268       sqlite3GlobalConfig.pHeap = SQLITE_INT_TO_PTR(-1);
7269     }
7270   }else{
7271     if( sqlite3GlobalConfig.pHeap==SQLITE_INT_TO_PTR(-1) ){
7272       sqlite3GlobalConfig.pHeap = 0;
7273     }
7274   }
7275 
7276   Tcl_ResetResult(interp);
7277   return TCL_OK;
7278 }
7279 
7280 /*
7281 **     sorter_test_sort4_helper DB SQL1 NSTEP SQL2
7282 **
7283 ** Compile SQL statement $SQL1 and step it $NSTEP times. For each row,
7284 ** check that the leftmost and rightmost columns returned are both integers,
7285 ** and that both contain the same value.
7286 **
7287 ** Then execute statement $SQL2. Check that the statement returns the same
7288 ** set of integers in the same order as in the previous step (using $SQL1).
7289 */
7290 static int SQLITE_TCLAPI sorter_test_sort4_helper(
7291   void * clientData,
7292   Tcl_Interp *interp,
7293   int objc,
7294   Tcl_Obj *CONST objv[]
7295 ){
7296   const char *zSql1;
7297   const char *zSql2;
7298   int nStep;
7299   int iStep;
7300   unsigned int iCksum1 = 0;
7301   unsigned int iCksum2 = 0;
7302   int rc;
7303   int iB;
7304   sqlite3 *db;
7305   sqlite3_stmt *pStmt;
7306 
7307   if( objc!=5 ){
7308     Tcl_WrongNumArgs(interp, 1, objv, "DB SQL1 NSTEP SQL2");
7309     return TCL_ERROR;
7310   }
7311 
7312   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
7313   zSql1 = Tcl_GetString(objv[2]);
7314   if( Tcl_GetIntFromObj(interp, objv[3], &nStep) ) return TCL_ERROR;
7315   zSql2 = Tcl_GetString(objv[4]);
7316 
7317   rc = sqlite3_prepare_v2(db, zSql1, -1, &pStmt, 0);
7318   if( rc!=SQLITE_OK ) goto sql_error;
7319 
7320   iB = sqlite3_column_count(pStmt)-1;
7321   for(iStep=0; iStep<nStep && SQLITE_ROW==sqlite3_step(pStmt); iStep++){
7322     int a = sqlite3_column_int(pStmt, 0);
7323     if( a!=sqlite3_column_int(pStmt, iB) ){
7324       Tcl_AppendResult(interp, "data error: (a!=b)", 0);
7325       return TCL_ERROR;
7326     }
7327 
7328     iCksum1 += (iCksum1 << 3) + (unsigned int)a;
7329   }
7330   rc = sqlite3_finalize(pStmt);
7331   if( rc!=SQLITE_OK ) goto sql_error;
7332 
7333   rc = sqlite3_prepare_v2(db, zSql2, -1, &pStmt, 0);
7334   if( rc!=SQLITE_OK ) goto sql_error;
7335   for(iStep=0; SQLITE_ROW==sqlite3_step(pStmt); iStep++){
7336     int a = sqlite3_column_int(pStmt, 0);
7337     iCksum2 += (iCksum2 << 3) + (unsigned int)a;
7338   }
7339   rc = sqlite3_finalize(pStmt);
7340   if( rc!=SQLITE_OK ) goto sql_error;
7341 
7342   if( iCksum1!=iCksum2 ){
7343     Tcl_AppendResult(interp, "checksum mismatch", 0);
7344     return TCL_ERROR;
7345   }
7346 
7347   return TCL_OK;
7348  sql_error:
7349   Tcl_AppendResult(interp, "sql error: ", sqlite3_errmsg(db), 0);
7350   return TCL_ERROR;
7351 }
7352 
7353 
7354 #ifdef SQLITE_USER_AUTHENTICATION
7355 #include "sqlite3userauth.h"
7356 /*
7357 ** tclcmd:  sqlite3_user_authenticate DB USERNAME PASSWORD
7358 */
7359 static int SQLITE_TCLAPI test_user_authenticate(
7360   ClientData clientData, /* Unused */
7361   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
7362   int objc,              /* Number of arguments */
7363   Tcl_Obj *CONST objv[]  /* Command arguments */
7364 ){
7365   char *zUser = 0;
7366   char *zPasswd = 0;
7367   int nPasswd = 0;
7368   sqlite3 *db;
7369   int rc;
7370 
7371   if( objc!=4 ){
7372     Tcl_WrongNumArgs(interp, 1, objv, "DB USERNAME PASSWORD");
7373     return TCL_ERROR;
7374   }
7375   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ){
7376     return TCL_ERROR;
7377   }
7378   zUser = Tcl_GetString(objv[2]);
7379   zPasswd = Tcl_GetStringFromObj(objv[3], &nPasswd);
7380   rc = sqlite3_user_authenticate(db, zUser, zPasswd, nPasswd);
7381   Tcl_SetResult(interp, (char *)t1ErrorName(rc), TCL_STATIC);
7382   return TCL_OK;
7383 }
7384 #endif /* SQLITE_USER_AUTHENTICATION */
7385 
7386 #ifdef SQLITE_USER_AUTHENTICATION
7387 /*
7388 ** tclcmd:  sqlite3_user_add DB USERNAME PASSWORD ISADMIN
7389 */
7390 static int SQLITE_TCLAPI test_user_add(
7391   ClientData clientData, /* Unused */
7392   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
7393   int objc,              /* Number of arguments */
7394   Tcl_Obj *CONST objv[]  /* Command arguments */
7395 ){
7396   char *zUser = 0;
7397   char *zPasswd = 0;
7398   int nPasswd = 0;
7399   int isAdmin = 0;
7400   sqlite3 *db;
7401   int rc;
7402 
7403   if( objc!=5 ){
7404     Tcl_WrongNumArgs(interp, 1, objv, "DB USERNAME PASSWORD ISADMIN");
7405     return TCL_ERROR;
7406   }
7407   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ){
7408     return TCL_ERROR;
7409   }
7410   zUser = Tcl_GetString(objv[2]);
7411   zPasswd = Tcl_GetStringFromObj(objv[3], &nPasswd);
7412   Tcl_GetBooleanFromObj(interp, objv[4], &isAdmin);
7413   rc = sqlite3_user_add(db, zUser, zPasswd, nPasswd, isAdmin);
7414   Tcl_SetResult(interp, (char *)t1ErrorName(rc), TCL_STATIC);
7415   return TCL_OK;
7416 }
7417 #endif /* SQLITE_USER_AUTHENTICATION */
7418 
7419 #ifdef SQLITE_USER_AUTHENTICATION
7420 /*
7421 ** tclcmd:  sqlite3_user_change DB USERNAME PASSWORD ISADMIN
7422 */
7423 static int SQLITE_TCLAPI test_user_change(
7424   ClientData clientData, /* Unused */
7425   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
7426   int objc,              /* Number of arguments */
7427   Tcl_Obj *CONST objv[]  /* Command arguments */
7428 ){
7429   char *zUser = 0;
7430   char *zPasswd = 0;
7431   int nPasswd = 0;
7432   int isAdmin = 0;
7433   sqlite3 *db;
7434   int rc;
7435 
7436   if( objc!=5 ){
7437     Tcl_WrongNumArgs(interp, 1, objv, "DB USERNAME PASSWORD ISADMIN");
7438     return TCL_ERROR;
7439   }
7440   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ){
7441     return TCL_ERROR;
7442   }
7443   zUser = Tcl_GetString(objv[2]);
7444   zPasswd = Tcl_GetStringFromObj(objv[3], &nPasswd);
7445   Tcl_GetBooleanFromObj(interp, objv[4], &isAdmin);
7446   rc = sqlite3_user_change(db, zUser, zPasswd, nPasswd, isAdmin);
7447   Tcl_SetResult(interp, (char *)t1ErrorName(rc), TCL_STATIC);
7448   return TCL_OK;
7449 }
7450 #endif /* SQLITE_USER_AUTHENTICATION */
7451 
7452 #ifdef SQLITE_USER_AUTHENTICATION
7453 /*
7454 ** tclcmd:  sqlite3_user_delete DB USERNAME
7455 */
7456 static int SQLITE_TCLAPI test_user_delete(
7457   ClientData clientData, /* Unused */
7458   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
7459   int objc,              /* Number of arguments */
7460   Tcl_Obj *CONST objv[]  /* Command arguments */
7461 ){
7462   char *zUser = 0;
7463   sqlite3 *db;
7464   int rc;
7465 
7466   if( objc!=3 ){
7467     Tcl_WrongNumArgs(interp, 1, objv, "DB USERNAME");
7468     return TCL_ERROR;
7469   }
7470   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ){
7471     return TCL_ERROR;
7472   }
7473   zUser = Tcl_GetString(objv[2]);
7474   rc = sqlite3_user_delete(db, zUser);
7475   Tcl_SetResult(interp, (char *)t1ErrorName(rc), TCL_STATIC);
7476   return TCL_OK;
7477 }
7478 #endif /* SQLITE_USER_AUTHENTICATION */
7479 
7480 /*
7481 ** tclcmd: bad_behavior TYPE
7482 **
7483 ** Do some things that should trigger a valgrind or -fsanitize=undefined
7484 ** warning.  This is used to verify that errors and warnings output by those
7485 ** tools are detected by the test scripts.
7486 **
7487 **       TYPE       BEHAVIOR
7488 **       1          Overflow a signed integer
7489 **       2          Jump based on an uninitialized variable
7490 **       3          Read after free
7491 **       4          Panic
7492 */
7493 static int SQLITE_TCLAPI test_bad_behavior(
7494   ClientData clientData, /* Pointer to an integer containing zero */
7495   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
7496   int objc,              /* Number of arguments */
7497   Tcl_Obj *CONST objv[]  /* Command arguments */
7498 ){
7499   int iType;
7500   int xyz;
7501   int i = *(int*)clientData;
7502   int j;
7503   int w[10];
7504   int *a;
7505   if( objc!=2 ){
7506     Tcl_WrongNumArgs(interp, 1, objv, "TYPE");
7507     return TCL_ERROR;
7508   }
7509   if( Tcl_GetIntFromObj(interp, objv[1], &iType) ) return TCL_ERROR;
7510   switch( iType ){
7511     case 1: {
7512       xyz = 0x7fffff00 - i;
7513       xyz += 0x100;
7514       Tcl_SetObjResult(interp, Tcl_NewIntObj(xyz));
7515       break;
7516     }
7517     case 2: {
7518       w[1] = 5;
7519       if( w[i]>0 ) w[1]++;
7520       Tcl_SetObjResult(interp, Tcl_NewIntObj(w[1]));
7521       break;
7522     }
7523     case 3: {
7524       a = malloc( sizeof(int)*10 );
7525       for(j=0; j<10; j++) a[j] = j;
7526       free(a);
7527       Tcl_SetObjResult(interp, Tcl_NewIntObj(a[i]));
7528       break;
7529     }
7530     case 4: {
7531       Tcl_Panic("Deliberate panic");
7532       break;
7533     }
7534   }
7535   return TCL_OK;
7536 }
7537 
7538 /*
7539 ** tclcmd:   register_dbstat_vtab DB
7540 **
7541 ** Cause the dbstat virtual table to be available on the connection DB
7542 */
7543 static int SQLITE_TCLAPI test_register_dbstat_vtab(
7544   void *clientData,
7545   Tcl_Interp *interp,
7546   int objc,
7547   Tcl_Obj *CONST objv[]
7548 ){
7549 #ifdef SQLITE_OMIT_VIRTUALTABLE
7550   Tcl_AppendResult(interp, "dbstat not available because of "
7551                            "SQLITE_OMIT_VIRTUALTABLE", (void*)0);
7552   return TCL_ERROR;
7553 #else
7554   struct SqliteDb { sqlite3 *db; };
7555   char *zDb;
7556   Tcl_CmdInfo cmdInfo;
7557 
7558   if( objc!=2 ){
7559     Tcl_WrongNumArgs(interp, 1, objv, "DB");
7560     return TCL_ERROR;
7561   }
7562 
7563   zDb = Tcl_GetString(objv[1]);
7564   if( Tcl_GetCommandInfo(interp, zDb, &cmdInfo) ){
7565     sqlite3* db = ((struct SqliteDb*)cmdInfo.objClientData)->db;
7566     sqlite3DbstatRegister(db);
7567   }
7568   return TCL_OK;
7569 #endif /* SQLITE_OMIT_VIRTUALTABLE */
7570 }
7571 
7572 /*
7573 ** tclcmd:   sqlite3_db_config DB SETTING VALUE
7574 **
7575 ** Invoke sqlite3_db_config() for one of the setting values.
7576 */
7577 static int SQLITE_TCLAPI test_sqlite3_db_config(
7578   void *clientData,
7579   Tcl_Interp *interp,
7580   int objc,
7581   Tcl_Obj *CONST objv[]
7582 ){
7583   static const struct {
7584     const char *zName;
7585     int eVal;
7586   } aSetting[] = {
7587     { "FKEY",            SQLITE_DBCONFIG_ENABLE_FKEY },
7588     { "TRIGGER",         SQLITE_DBCONFIG_ENABLE_TRIGGER },
7589     { "FTS3_TOKENIZER",  SQLITE_DBCONFIG_ENABLE_FTS3_TOKENIZER },
7590     { "LOAD_EXTENSION",  SQLITE_DBCONFIG_ENABLE_LOAD_EXTENSION },
7591     { "NO_CKPT_ON_CLOSE",SQLITE_DBCONFIG_NO_CKPT_ON_CLOSE },
7592     { "QPSG",            SQLITE_DBCONFIG_ENABLE_QPSG },
7593     { "TRIGGER_EQP",     SQLITE_DBCONFIG_TRIGGER_EQP },
7594     { "RESET_DB",        SQLITE_DBCONFIG_RESET_DATABASE },
7595     { "DEFENSIVE",       SQLITE_DBCONFIG_DEFENSIVE },
7596   };
7597   int i;
7598   int v;
7599   const char *zSetting;
7600   sqlite3 *db;
7601 
7602   if( objc!=4 ){
7603     Tcl_WrongNumArgs(interp, 1, objv, "DB SETTING VALUE");
7604     return TCL_ERROR;
7605   }
7606   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
7607   zSetting = Tcl_GetString(objv[2]);
7608   if( sqlite3_strglob("SQLITE_*", zSetting)==0 ) zSetting += 7;
7609   if( sqlite3_strglob("DBCONFIG_*", zSetting)==0 ) zSetting += 9;
7610   if( sqlite3_strglob("ENABLE_*", zSetting)==0 ) zSetting += 7;
7611   for(i=0; i<ArraySize(aSetting); i++){
7612     if( strcmp(zSetting, aSetting[i].zName)==0 ) break;
7613   }
7614   if( i>=ArraySize(aSetting) ){
7615     Tcl_SetObjResult(interp,
7616       Tcl_NewStringObj("unknown sqlite3_db_config setting", -1));
7617     return TCL_ERROR;
7618   }
7619   if( Tcl_GetIntFromObj(interp, objv[3], &v) ) return TCL_ERROR;
7620   sqlite3_db_config(db, aSetting[i].eVal, v, &v);
7621   Tcl_SetObjResult(interp, Tcl_NewIntObj(v));
7622   return TCL_OK;
7623 }
7624 
7625 /*
7626 ** Change the name of the main database schema from "main" to "icecube".
7627 */
7628 static int SQLITE_TCLAPI test_dbconfig_maindbname_icecube(
7629   void * clientData,
7630   Tcl_Interp *interp,
7631   int objc,
7632   Tcl_Obj *CONST objv[]
7633 ){
7634   int rc;
7635   sqlite3 *db;
7636   extern int getDbPointer(Tcl_Interp*, const char*, sqlite3**);
7637   if( objc!=2 ){
7638     Tcl_WrongNumArgs(interp, 1, objv, "DB");
7639     return TCL_ERROR;
7640   }else{
7641     if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
7642     rc = sqlite3_db_config(db, SQLITE_DBCONFIG_MAINDBNAME, "icecube");
7643     Tcl_SetObjResult(interp, Tcl_NewIntObj(rc));
7644     return TCL_OK;
7645   }
7646 }
7647 
7648 /*
7649 ** Usage: sqlite3_mmap_warm DB DBNAME
7650 */
7651 static int SQLITE_TCLAPI test_mmap_warm(
7652   void * clientData,
7653   Tcl_Interp *interp,
7654   int objc,
7655   Tcl_Obj *CONST objv[]
7656 ){
7657   extern int getDbPointer(Tcl_Interp*, const char*, sqlite3**);
7658   extern int sqlite3_mmap_warm(sqlite3 *db, const char *);
7659 
7660   if( objc!=2 && objc!=3 ){
7661     Tcl_WrongNumArgs(interp, 1, objv, "DB ?DBNAME?");
7662     return TCL_ERROR;
7663   }else{
7664     int rc;
7665     sqlite3 *db;
7666     const char *zDb = 0;
7667     if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
7668     if( objc==3 ){
7669       zDb = Tcl_GetString(objv[2]);
7670     }
7671     rc = sqlite3_mmap_warm(db, zDb);
7672     Tcl_SetObjResult(interp, Tcl_NewStringObj(sqlite3ErrName(rc), -1));
7673     return TCL_OK;
7674   }
7675 }
7676 
7677 /*
7678 ** Usage:  decode_hexdb TEXT
7679 **
7680 ** Example:   db deserialize [decode_hexdb $output_of_dbtotxt]
7681 **
7682 ** This routine returns a byte-array for an SQLite database file that
7683 ** is constructed from a text input which is the output of the "dbtotxt"
7684 ** utility.
7685 */
7686 static int SQLITE_TCLAPI test_decode_hexdb(
7687   void * clientData,
7688   Tcl_Interp *interp,
7689   int objc,
7690   Tcl_Obj *CONST objv[]
7691 ){
7692   const char *zIn = 0;
7693   unsigned char *a = 0;
7694   int n = 0;
7695   int lineno = 0;
7696   int i, iNext;
7697   int iOffset = 0;
7698   int j, k;
7699   int rc;
7700   unsigned char x[16];
7701   if( objc!=2 ){
7702     Tcl_WrongNumArgs(interp, 1, objv, "HEXDB");
7703     return TCL_ERROR;
7704   }
7705   zIn = Tcl_GetString(objv[1]);
7706   for(i=0; zIn[i]; i=iNext){
7707     lineno++;
7708     for(iNext=i; zIn[iNext] && zIn[iNext]!='\n'; iNext++){}
7709     if( zIn[iNext]=='\n' ) iNext++;
7710     while( zIn[i]==' ' || zIn[i]=='\t' ){ i++; }
7711     if( a==0 ){
7712       int pgsz;
7713       rc = sscanf(zIn+i, "| size %d pagesize %d", &n, &pgsz);
7714       if( rc!=2 ) continue;
7715       if( n<512 ){
7716         Tcl_AppendResult(interp, "bad 'size' field", (void*)0);
7717         return TCL_ERROR;
7718       }
7719       a = malloc( n );
7720       if( a==0 ){
7721         Tcl_AppendResult(interp, "out of memory", (void*)0);
7722         return TCL_ERROR;
7723       }
7724       memset(a, 0, n);
7725       continue;
7726     }
7727     rc = sscanf(zIn+i, "| page %d offset %d", &j, &k);
7728     if( rc==2 ){
7729       iOffset = k;
7730       continue;
7731     }
7732     rc = sscanf(zIn+i,"| %d: %hhx %hhx %hhx %hhx %hhx %hhx %hhx %hhx"
7733                       "  %hhx %hhx %hhx %hhx %hhx %hhx %hhx %hhx",
7734                 &j, &x[0], &x[1], &x[2], &x[3], &x[4], &x[5], &x[6], &x[7],
7735                 &x[8], &x[9], &x[10], &x[11], &x[12], &x[13], &x[14], &x[15]);
7736     if( rc==17 ){
7737       k = iOffset+j;
7738       if( k+16<=n ){
7739         memcpy(a+k, x, 16);
7740       }
7741       continue;
7742     }
7743   }
7744   Tcl_SetObjResult(interp, Tcl_NewByteArrayObj(a, n));
7745   free(a);
7746   return TCL_OK;
7747 }
7748 
7749 
7750 /*
7751 ** Register commands with the TCL interpreter.
7752 */
7753 int Sqlitetest1_Init(Tcl_Interp *interp){
7754   extern int sqlite3_search_count;
7755   extern int sqlite3_found_count;
7756   extern int sqlite3_interrupt_count;
7757   extern int sqlite3_open_file_count;
7758   extern int sqlite3_sort_count;
7759   extern int sqlite3_current_time;
7760 #if SQLITE_OS_UNIX && defined(__APPLE__) && SQLITE_ENABLE_LOCKING_STYLE
7761   extern int sqlite3_hostid_num;
7762 #endif
7763   extern int sqlite3_max_blobsize;
7764   extern int SQLITE_TCLAPI sqlite3BtreeSharedCacheReport(void*,
7765                                           Tcl_Interp*,int,Tcl_Obj*CONST*);
7766   static int iZero = 0;
7767   static struct {
7768      char *zName;
7769      Tcl_CmdProc *xProc;
7770   } aCmd[] = {
7771      { "db_enter",                      (Tcl_CmdProc*)db_enter               },
7772      { "db_leave",                      (Tcl_CmdProc*)db_leave               },
7773      { "sqlite3_mprintf_int",           (Tcl_CmdProc*)sqlite3_mprintf_int    },
7774      { "sqlite3_mprintf_int64",         (Tcl_CmdProc*)sqlite3_mprintf_int64  },
7775      { "sqlite3_mprintf_long",          (Tcl_CmdProc*)sqlite3_mprintf_long   },
7776      { "sqlite3_mprintf_str",           (Tcl_CmdProc*)sqlite3_mprintf_str    },
7777      { "sqlite3_snprintf_str",          (Tcl_CmdProc*)sqlite3_snprintf_str   },
7778      { "sqlite3_mprintf_stronly",       (Tcl_CmdProc*)sqlite3_mprintf_stronly},
7779      { "sqlite3_mprintf_double",        (Tcl_CmdProc*)sqlite3_mprintf_double },
7780      { "sqlite3_mprintf_scaled",        (Tcl_CmdProc*)sqlite3_mprintf_scaled },
7781      { "sqlite3_mprintf_hexdouble",   (Tcl_CmdProc*)sqlite3_mprintf_hexdouble},
7782      { "sqlite3_mprintf_z_test",        (Tcl_CmdProc*)test_mprintf_z        },
7783      { "sqlite3_mprintf_n_test",        (Tcl_CmdProc*)test_mprintf_n        },
7784      { "sqlite3_snprintf_int",          (Tcl_CmdProc*)test_snprintf_int     },
7785      { "sqlite3_last_insert_rowid",     (Tcl_CmdProc*)test_last_rowid       },
7786      { "sqlite3_exec_printf",           (Tcl_CmdProc*)test_exec_printf      },
7787      { "sqlite3_exec_hex",              (Tcl_CmdProc*)test_exec_hex         },
7788      { "sqlite3_exec",                  (Tcl_CmdProc*)test_exec             },
7789      { "sqlite3_exec_nr",               (Tcl_CmdProc*)test_exec_nr          },
7790 #ifndef SQLITE_OMIT_GET_TABLE
7791      { "sqlite3_get_table_printf",      (Tcl_CmdProc*)test_get_table_printf },
7792 #endif
7793      { "sqlite3_close",                 (Tcl_CmdProc*)sqlite_test_close     },
7794      { "sqlite3_close_v2",              (Tcl_CmdProc*)sqlite_test_close_v2  },
7795      { "sqlite3_create_function",       (Tcl_CmdProc*)test_create_function  },
7796      { "sqlite3_create_aggregate",      (Tcl_CmdProc*)test_create_aggregate },
7797      { "sqlite_register_test_function", (Tcl_CmdProc*)test_register_func    },
7798      { "sqlite_abort",                  (Tcl_CmdProc*)sqlite_abort          },
7799      { "sqlite_bind",                   (Tcl_CmdProc*)test_bind             },
7800      { "breakpoint",                    (Tcl_CmdProc*)test_breakpoint       },
7801      { "sqlite3_key",                   (Tcl_CmdProc*)test_key              },
7802      { "sqlite3_rekey",                 (Tcl_CmdProc*)test_rekey            },
7803      { "sqlite_set_magic",              (Tcl_CmdProc*)sqlite_set_magic      },
7804      { "sqlite3_interrupt",             (Tcl_CmdProc*)test_interrupt        },
7805      { "sqlite_delete_function",        (Tcl_CmdProc*)delete_function       },
7806      { "sqlite_delete_collation",       (Tcl_CmdProc*)delete_collation      },
7807      { "sqlite3_get_autocommit",        (Tcl_CmdProc*)get_autocommit        },
7808      { "sqlite3_busy_timeout",          (Tcl_CmdProc*)test_busy_timeout     },
7809      { "printf",                        (Tcl_CmdProc*)test_printf           },
7810      { "sqlite3IoTrace",              (Tcl_CmdProc*)test_io_trace         },
7811      { "clang_sanitize_address",        (Tcl_CmdProc*)clang_sanitize_address },
7812   };
7813   static struct {
7814      char *zName;
7815      Tcl_ObjCmdProc *xProc;
7816      void *clientData;
7817   } aObjCmd[] = {
7818      { "sqlite3_db_config",             test_sqlite3_db_config, 0 },
7819      { "bad_behavior",                  test_bad_behavior,  (void*)&iZero },
7820      { "register_dbstat_vtab",          test_register_dbstat_vtab  },
7821      { "sqlite3_connection_pointer",    get_sqlite_pointer, 0 },
7822      { "intarray_addr",                 test_intarray_addr, 0 },
7823      { "int64array_addr",               test_int64array_addr, 0 },
7824      { "doublearray_addr",              test_doublearray_addr, 0 },
7825      { "textarray_addr",                test_textarray_addr, 0 },
7826      { "sqlite3_bind_int",              test_bind_int,      0 },
7827      { "sqlite3_bind_zeroblob",         test_bind_zeroblob, 0 },
7828      { "sqlite3_bind_zeroblob64",       test_bind_zeroblob64, 0 },
7829      { "sqlite3_bind_int64",            test_bind_int64,    0 },
7830      { "sqlite3_bind_double",           test_bind_double,   0 },
7831      { "sqlite3_bind_null",             test_bind_null     ,0 },
7832      { "sqlite3_bind_text",             test_bind_text     ,0 },
7833      { "sqlite3_bind_text16",           test_bind_text16   ,0 },
7834      { "sqlite3_bind_blob",             test_bind_blob     ,0 },
7835      { "sqlite3_bind_parameter_count",  test_bind_parameter_count, 0},
7836      { "sqlite3_bind_parameter_name",   test_bind_parameter_name,  0},
7837      { "sqlite3_bind_parameter_index",  test_bind_parameter_index, 0},
7838      { "sqlite3_clear_bindings",        test_clear_bindings, 0},
7839      { "sqlite3_sleep",                 test_sleep,          0},
7840      { "sqlite3_errcode",               test_errcode       ,0 },
7841      { "sqlite3_extended_errcode",      test_ex_errcode    ,0 },
7842      { "sqlite3_errmsg",                test_errmsg        ,0 },
7843      { "sqlite3_errmsg16",              test_errmsg16      ,0 },
7844      { "sqlite3_open",                  test_open          ,0 },
7845      { "sqlite3_open16",                test_open16        ,0 },
7846      { "sqlite3_open_v2",               test_open_v2       ,0 },
7847      { "sqlite3_complete16",            test_complete16    ,0 },
7848      { "sqlite3_normalize",             test_normalize     ,0 },
7849 
7850      { "sqlite3_prepare",               test_prepare       ,0 },
7851      { "sqlite3_prepare16",             test_prepare16     ,0 },
7852      { "sqlite3_prepare_v2",            test_prepare_v2    ,0 },
7853      { "sqlite3_prepare_v3",            test_prepare_v3    ,0 },
7854      { "sqlite3_prepare_tkt3134",       test_prepare_tkt3134, 0},
7855      { "sqlite3_prepare16_v2",          test_prepare16_v2  ,0 },
7856      { "sqlite3_finalize",              test_finalize      ,0 },
7857      { "sqlite3_stmt_status",           test_stmt_status   ,0 },
7858      { "sqlite3_reset",                 test_reset         ,0 },
7859      { "sqlite3_expired",               test_expired       ,0 },
7860      { "sqlite3_transfer_bindings",     test_transfer_bind ,0 },
7861      { "sqlite3_changes",               test_changes       ,0 },
7862      { "sqlite3_step",                  test_step          ,0 },
7863      { "sqlite3_sql",                   test_sql           ,0 },
7864      { "sqlite3_expanded_sql",          test_ex_sql        ,0 },
7865 #ifdef SQLITE_ENABLE_NORMALIZE
7866      { "sqlite3_normalized_sql",        test_norm_sql      ,0 },
7867 #endif
7868      { "sqlite3_next_stmt",             test_next_stmt     ,0 },
7869      { "sqlite3_stmt_readonly",         test_stmt_readonly ,0 },
7870      { "sqlite3_stmt_isexplain",        test_stmt_isexplain,0 },
7871      { "sqlite3_stmt_busy",             test_stmt_busy     ,0 },
7872      { "uses_stmt_journal",             uses_stmt_journal ,0 },
7873 
7874      { "sqlite3_release_memory",        test_release_memory,     0},
7875      { "sqlite3_db_release_memory",     test_db_release_memory,  0},
7876      { "sqlite3_db_cacheflush",         test_db_cacheflush,      0},
7877      { "sqlite3_system_errno",          test_system_errno,       0},
7878      { "sqlite3_db_filename",           test_db_filename,        0},
7879      { "sqlite3_db_readonly",           test_db_readonly,        0},
7880      { "sqlite3_soft_heap_limit",       test_soft_heap_limit,    0},
7881      { "sqlite3_thread_cleanup",        test_thread_cleanup,     0},
7882      { "sqlite3_pager_refcounts",       test_pager_refcounts,    0},
7883 
7884      { "sqlite3_load_extension",        test_load_extension,     0},
7885      { "sqlite3_enable_load_extension", test_enable_load,        0},
7886      { "sqlite3_extended_result_codes", test_extended_result_codes, 0},
7887      { "sqlite3_limit",                 test_limit,                 0},
7888      { "dbconfig_maindbname_icecube",   test_dbconfig_maindbname_icecube },
7889 
7890      { "save_prng_state",               save_prng_state,    0 },
7891      { "restore_prng_state",            restore_prng_state, 0 },
7892      { "reset_prng_state",              reset_prng_state,   0 },
7893      { "database_never_corrupt",        database_never_corrupt, 0},
7894      { "database_may_be_corrupt",       database_may_be_corrupt, 0},
7895      { "optimization_control",          optimization_control,0},
7896 #if SQLITE_OS_WIN
7897      { "lock_win32_file",               win32_file_lock,    0 },
7898      { "exists_win32_path",             win32_exists_path,  0 },
7899      { "find_win32_file",               win32_find_file,    0 },
7900      { "delete_win32_file",             win32_delete_file,  0 },
7901      { "make_win32_dir",                win32_mkdir,        0 },
7902      { "remove_win32_dir",              win32_rmdir,        0 },
7903 #endif
7904      { "tcl_objproc",                   runAsObjProc,       0 },
7905 
7906      /* sqlite3_column_*() API */
7907      { "sqlite3_column_count",          test_column_count  ,0 },
7908      { "sqlite3_data_count",            test_data_count    ,0 },
7909      { "sqlite3_column_type",           test_column_type   ,0 },
7910      { "sqlite3_column_blob",           test_column_blob   ,0 },
7911      { "sqlite3_column_double",         test_column_double ,0 },
7912      { "sqlite3_column_int64",          test_column_int64  ,0 },
7913      { "sqlite3_column_text",   test_stmt_utf8,  (void*)sqlite3_column_text },
7914      { "sqlite3_column_name",   test_stmt_utf8,  (void*)sqlite3_column_name },
7915      { "sqlite3_column_int",    test_stmt_int,   (void*)sqlite3_column_int  },
7916      { "sqlite3_column_bytes",  test_stmt_int,   (void*)sqlite3_column_bytes},
7917 #ifndef SQLITE_OMIT_DECLTYPE
7918      { "sqlite3_column_decltype",test_stmt_utf8,(void*)sqlite3_column_decltype},
7919 #endif
7920 #ifdef SQLITE_ENABLE_COLUMN_METADATA
7921 { "sqlite3_column_database_name",test_stmt_utf8,(void*)sqlite3_column_database_name},
7922 { "sqlite3_column_table_name",test_stmt_utf8,(void*)sqlite3_column_table_name},
7923 { "sqlite3_column_origin_name",test_stmt_utf8,(void*)sqlite3_column_origin_name},
7924 #endif
7925 
7926 #ifndef SQLITE_OMIT_UTF16
7927      { "sqlite3_column_bytes16", test_stmt_int, (void*)sqlite3_column_bytes16 },
7928      { "sqlite3_column_text16",  test_stmt_utf16, (void*)sqlite3_column_text16},
7929      { "sqlite3_column_name16",  test_stmt_utf16, (void*)sqlite3_column_name16},
7930      { "add_alignment_test_collations", add_alignment_test_collations, 0      },
7931 #ifndef SQLITE_OMIT_DECLTYPE
7932      { "sqlite3_column_decltype16",test_stmt_utf16,(void*)sqlite3_column_decltype16},
7933 #endif
7934 #ifdef SQLITE_ENABLE_COLUMN_METADATA
7935 {"sqlite3_column_database_name16",
7936   test_stmt_utf16, (void*)sqlite3_column_database_name16},
7937 {"sqlite3_column_table_name16", test_stmt_utf16, (void*)sqlite3_column_table_name16},
7938 {"sqlite3_column_origin_name16", test_stmt_utf16, (void*)sqlite3_column_origin_name16},
7939 #endif
7940 #endif
7941      { "sqlite3_create_collation_v2", test_create_collation_v2, 0 },
7942      { "sqlite3_global_recover",     test_global_recover, 0   },
7943      { "working_64bit_int",          working_64bit_int,   0   },
7944      { "vfs_unlink_test",            vfs_unlink_test,     0   },
7945      { "vfs_initfail_test",          vfs_initfail_test,   0   },
7946      { "vfs_unregister_all",         vfs_unregister_all,  0   },
7947      { "vfs_reregister_all",         vfs_reregister_all,  0   },
7948      { "file_control_test",          file_control_test,   0   },
7949      { "file_control_lasterrno_test", file_control_lasterrno_test,  0   },
7950      { "file_control_lockproxy_test", file_control_lockproxy_test,  0   },
7951      { "file_control_chunksize_test", file_control_chunksize_test,  0   },
7952      { "file_control_sizehint_test",  file_control_sizehint_test,   0   },
7953      { "file_control_data_version",   file_control_data_version,    0   },
7954 #if SQLITE_OS_WIN
7955      { "file_control_win32_av_retry", file_control_win32_av_retry,  0   },
7956      { "file_control_win32_get_handle", file_control_win32_get_handle, 0  },
7957      { "file_control_win32_set_handle", file_control_win32_set_handle, 0  },
7958 #endif
7959      { "file_control_persist_wal",    file_control_persist_wal,     0   },
7960      { "file_control_powersafe_overwrite",file_control_powersafe_overwrite,0},
7961      { "file_control_vfsname",        file_control_vfsname,         0   },
7962      { "file_control_tempfilename",   file_control_tempfilename,    0   },
7963      { "sqlite3_vfs_list",           vfs_list,     0   },
7964      { "sqlite3_create_function_v2", test_create_function_v2, 0 },
7965 
7966      /* Functions from os.h */
7967 #ifndef SQLITE_OMIT_UTF16
7968      { "add_test_collate",        test_collate, 0            },
7969      { "add_test_collate_needed", test_collate_needed, 0     },
7970      { "add_test_function",       test_function, 0           },
7971      { "add_test_utf16bin_collate",    test_utf16bin_collate, 0        },
7972 #endif
7973      { "sqlite3_test_errstr",     test_errstr, 0             },
7974      { "tcl_variable_type",       tcl_variable_type, 0       },
7975 #ifndef SQLITE_OMIT_SHARED_CACHE
7976      { "sqlite3_enable_shared_cache", test_enable_shared, 0  },
7977      { "sqlite3_shared_cache_report", sqlite3BtreeSharedCacheReport, 0},
7978 #endif
7979      { "sqlite3_libversion_number", test_libversion_number, 0  },
7980      { "sqlite3_table_column_metadata", test_table_column_metadata, 0  },
7981 #ifndef SQLITE_OMIT_INCRBLOB
7982      { "sqlite3_blob_reopen", test_blob_reopen, 0  },
7983 #endif
7984      { "pcache_stats",       test_pcache_stats, 0  },
7985 #ifdef SQLITE_ENABLE_UNLOCK_NOTIFY
7986      { "sqlite3_unlock_notify", test_unlock_notify, 0  },
7987 #endif
7988      { "sqlite3_wal_checkpoint",   test_wal_checkpoint, 0  },
7989      { "sqlite3_wal_checkpoint_v2",test_wal_checkpoint_v2, 0  },
7990      { "sqlite3_wal_autocheckpoint",test_wal_autocheckpoint, 0  },
7991      { "test_sqlite3_log",         test_sqlite3_log, 0  },
7992 #ifndef SQLITE_OMIT_EXPLAIN
7993      { "print_explain_query_plan", test_print_eqp, 0  },
7994 #endif
7995      { "sqlite3_test_control", test_test_control },
7996 #if SQLITE_OS_UNIX
7997      { "getrusage", test_getrusage },
7998 #endif
7999      { "load_static_extension", tclLoadStaticExtensionCmd },
8000      { "sorter_test_fakeheap", sorter_test_fakeheap },
8001      { "sorter_test_sort4_helper", sorter_test_sort4_helper },
8002 #ifdef SQLITE_USER_AUTHENTICATION
8003      { "sqlite3_user_authenticate", test_user_authenticate, 0 },
8004      { "sqlite3_user_add",          test_user_add,          0 },
8005      { "sqlite3_user_change",       test_user_change,       0 },
8006      { "sqlite3_user_delete",       test_user_delete,       0 },
8007 #endif
8008 #ifdef SQLITE_ENABLE_STMT_SCANSTATUS
8009      { "sqlite3_stmt_scanstatus",       test_stmt_scanstatus,   0 },
8010      { "sqlite3_stmt_scanstatus_reset", test_stmt_scanstatus_reset,   0 },
8011 #endif
8012 #ifdef SQLITE_ENABLE_SQLLOG
8013      { "sqlite3_config_sqllog",         test_config_sqllog,   0 },
8014 #endif
8015      { "vfs_current_time_int64",           vfsCurrentTimeInt64,   0 },
8016 #ifdef SQLITE_ENABLE_SNAPSHOT
8017      { "sqlite3_snapshot_get", test_snapshot_get, 0 },
8018      { "sqlite3_snapshot_open", test_snapshot_open, 0 },
8019      { "sqlite3_snapshot_free", test_snapshot_free, 0 },
8020      { "sqlite3_snapshot_cmp", test_snapshot_cmp, 0 },
8021      { "sqlite3_snapshot_recover", test_snapshot_recover, 0 },
8022      { "sqlite3_snapshot_get_blob", test_snapshot_get_blob, 0 },
8023      { "sqlite3_snapshot_open_blob", test_snapshot_open_blob, 0 },
8024      { "sqlite3_snapshot_cmp_blob", test_snapshot_cmp_blob, 0 },
8025 #endif
8026      { "sqlite3_delete_database", test_delete_database,    0 },
8027      { "atomic_batch_write",      test_atomic_batch_write, 0 },
8028      { "sqlite3_mmap_warm",       test_mmap_warm,          0 },
8029      { "sqlite3_config_sorterref", test_config_sorterref,   0 },
8030      { "decode_hexdb",             test_decode_hexdb,       0 },
8031   };
8032   static int bitmask_size = sizeof(Bitmask)*8;
8033   static int longdouble_size = sizeof(LONGDOUBLE_TYPE);
8034   int i;
8035   extern int sqlite3_sync_count, sqlite3_fullsync_count;
8036   extern int sqlite3_opentemp_count;
8037   extern int sqlite3_like_count;
8038   extern int sqlite3_xferopt_count;
8039   extern int sqlite3_pager_readdb_count;
8040   extern int sqlite3_pager_writedb_count;
8041   extern int sqlite3_pager_writej_count;
8042 #if SQLITE_OS_WIN
8043   extern LONG volatile sqlite3_os_type;
8044 #endif
8045 #ifdef SQLITE_DEBUG
8046   extern int sqlite3WhereTrace;
8047   extern int sqlite3OSTrace;
8048   extern int sqlite3WalTrace;
8049 #endif
8050 #ifdef SQLITE_TEST
8051 #ifdef SQLITE_ENABLE_FTS3
8052   extern int sqlite3_fts3_enable_parentheses;
8053 #endif
8054 #endif
8055 #if defined(SQLITE_ENABLE_SELECTTRACE)
8056   extern int sqlite3SelectTrace;
8057 #endif
8058 
8059   for(i=0; i<sizeof(aCmd)/sizeof(aCmd[0]); i++){
8060     Tcl_CreateCommand(interp, aCmd[i].zName, aCmd[i].xProc, 0, 0);
8061   }
8062   for(i=0; i<sizeof(aObjCmd)/sizeof(aObjCmd[0]); i++){
8063     Tcl_CreateObjCommand(interp, aObjCmd[i].zName,
8064         aObjCmd[i].xProc, aObjCmd[i].clientData, 0);
8065   }
8066   Tcl_LinkVar(interp, "sqlite_search_count",
8067       (char*)&sqlite3_search_count, TCL_LINK_INT);
8068   Tcl_LinkVar(interp, "sqlite_found_count",
8069       (char*)&sqlite3_found_count, TCL_LINK_INT);
8070   Tcl_LinkVar(interp, "sqlite_sort_count",
8071       (char*)&sqlite3_sort_count, TCL_LINK_INT);
8072   Tcl_LinkVar(interp, "sqlite3_max_blobsize",
8073       (char*)&sqlite3_max_blobsize, TCL_LINK_INT);
8074   Tcl_LinkVar(interp, "sqlite_like_count",
8075       (char*)&sqlite3_like_count, TCL_LINK_INT);
8076   Tcl_LinkVar(interp, "sqlite_interrupt_count",
8077       (char*)&sqlite3_interrupt_count, TCL_LINK_INT);
8078   Tcl_LinkVar(interp, "sqlite_open_file_count",
8079       (char*)&sqlite3_open_file_count, TCL_LINK_INT);
8080   Tcl_LinkVar(interp, "sqlite_current_time",
8081       (char*)&sqlite3_current_time, TCL_LINK_INT);
8082 #if SQLITE_OS_UNIX && defined(__APPLE__) && SQLITE_ENABLE_LOCKING_STYLE
8083   Tcl_LinkVar(interp, "sqlite_hostid_num",
8084       (char*)&sqlite3_hostid_num, TCL_LINK_INT);
8085 #endif
8086   Tcl_LinkVar(interp, "sqlite3_xferopt_count",
8087       (char*)&sqlite3_xferopt_count, TCL_LINK_INT);
8088   Tcl_LinkVar(interp, "sqlite3_pager_readdb_count",
8089       (char*)&sqlite3_pager_readdb_count, TCL_LINK_INT);
8090   Tcl_LinkVar(interp, "sqlite3_pager_writedb_count",
8091       (char*)&sqlite3_pager_writedb_count, TCL_LINK_INT);
8092   Tcl_LinkVar(interp, "sqlite3_pager_writej_count",
8093       (char*)&sqlite3_pager_writej_count, TCL_LINK_INT);
8094 #ifndef SQLITE_OMIT_UTF16
8095   Tcl_LinkVar(interp, "unaligned_string_counter",
8096       (char*)&unaligned_string_counter, TCL_LINK_INT);
8097 #endif
8098 #ifndef SQLITE_OMIT_UTF16
8099   Tcl_LinkVar(interp, "sqlite_last_needed_collation",
8100       (char*)&pzNeededCollation, TCL_LINK_STRING|TCL_LINK_READ_ONLY);
8101 #endif
8102 #if SQLITE_OS_WIN
8103   Tcl_LinkVar(interp, "sqlite_os_type",
8104       (char*)&sqlite3_os_type, TCL_LINK_LONG);
8105 #endif
8106 #ifdef SQLITE_TEST
8107   {
8108     static const char *query_plan = "*** OBSOLETE VARIABLE ***";
8109     Tcl_LinkVar(interp, "sqlite_query_plan",
8110        (char*)&query_plan, TCL_LINK_STRING|TCL_LINK_READ_ONLY);
8111   }
8112 #endif
8113 #ifdef SQLITE_DEBUG
8114   Tcl_LinkVar(interp, "sqlite_where_trace",
8115       (char*)&sqlite3WhereTrace, TCL_LINK_INT);
8116   Tcl_LinkVar(interp, "sqlite_os_trace",
8117       (char*)&sqlite3OSTrace, TCL_LINK_INT);
8118 #ifndef SQLITE_OMIT_WAL
8119   Tcl_LinkVar(interp, "sqlite_wal_trace",
8120       (char*)&sqlite3WalTrace, TCL_LINK_INT);
8121 #endif
8122 #endif
8123 #ifndef SQLITE_OMIT_DISKIO
8124   Tcl_LinkVar(interp, "sqlite_opentemp_count",
8125       (char*)&sqlite3_opentemp_count, TCL_LINK_INT);
8126 #endif
8127   Tcl_LinkVar(interp, "sqlite_static_bind_value",
8128       (char*)&sqlite_static_bind_value, TCL_LINK_STRING);
8129   Tcl_LinkVar(interp, "sqlite_static_bind_nbyte",
8130       (char*)&sqlite_static_bind_nbyte, TCL_LINK_INT);
8131   Tcl_LinkVar(interp, "sqlite_temp_directory",
8132       (char*)&sqlite3_temp_directory, TCL_LINK_STRING);
8133   Tcl_LinkVar(interp, "sqlite_data_directory",
8134       (char*)&sqlite3_data_directory, TCL_LINK_STRING);
8135   Tcl_LinkVar(interp, "bitmask_size",
8136       (char*)&bitmask_size, TCL_LINK_INT|TCL_LINK_READ_ONLY);
8137   Tcl_LinkVar(interp, "longdouble_size",
8138       (char*)&longdouble_size, TCL_LINK_INT|TCL_LINK_READ_ONLY);
8139   Tcl_LinkVar(interp, "sqlite_sync_count",
8140       (char*)&sqlite3_sync_count, TCL_LINK_INT);
8141   Tcl_LinkVar(interp, "sqlite_fullsync_count",
8142       (char*)&sqlite3_fullsync_count, TCL_LINK_INT);
8143 #if defined(SQLITE_ENABLE_SELECTTRACE)
8144   Tcl_LinkVar(interp, "sqlite3SelectTrace",
8145       (char*)&sqlite3SelectTrace, TCL_LINK_INT);
8146 #endif
8147 #if defined(SQLITE_ENABLE_FTS3) && defined(SQLITE_TEST)
8148   Tcl_LinkVar(interp, "sqlite_fts3_enable_parentheses",
8149       (char*)&sqlite3_fts3_enable_parentheses, TCL_LINK_INT);
8150 #endif
8151   return TCL_OK;
8152 }
8153