xref: /sqlite-3.40.0/src/test1.c (revision 9bccde3d)
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 #include "tcl.h"
23 #include <stdlib.h>
24 #include <string.h>
25 
26 /*
27 ** This is a copy of the first part of the SqliteDb structure in
28 ** tclsqlite.c.  We need it here so that the get_sqlite_pointer routine
29 ** can extract the sqlite3* pointer from an existing Tcl SQLite
30 ** connection.
31 */
32 struct SqliteDb {
33   sqlite3 *db;
34 };
35 
36 /*
37 ** Convert text generated by the "%p" conversion format back into
38 ** a pointer.
39 */
40 static int testHexToInt(int h){
41   if( h>='0' && h<='9' ){
42     return h - '0';
43   }else if( h>='a' && h<='f' ){
44     return h - 'a' + 10;
45   }else{
46     assert( h>='A' && h<='F' );
47     return h - 'A' + 10;
48   }
49 }
50 void *sqlite3TestTextToPtr(const char *z){
51   void *p;
52   u64 v;
53   u32 v2;
54   if( z[0]=='0' && z[1]=='x' ){
55     z += 2;
56   }
57   v = 0;
58   while( *z ){
59     v = (v<<4) + testHexToInt(*z);
60     z++;
61   }
62   if( sizeof(p)==sizeof(v) ){
63     memcpy(&p, &v, sizeof(p));
64   }else{
65     assert( sizeof(p)==sizeof(v2) );
66     v2 = (u32)v;
67     memcpy(&p, &v2, sizeof(p));
68   }
69   return p;
70 }
71 
72 
73 /*
74 ** A TCL command that returns the address of the sqlite* pointer
75 ** for an sqlite connection instance.  Bad things happen if the
76 ** input is not an sqlite connection.
77 */
78 static int get_sqlite_pointer(
79   void * clientData,
80   Tcl_Interp *interp,
81   int objc,
82   Tcl_Obj *CONST objv[]
83 ){
84   struct SqliteDb *p;
85   Tcl_CmdInfo cmdInfo;
86   char zBuf[100];
87   if( objc!=2 ){
88     Tcl_WrongNumArgs(interp, 1, objv, "SQLITE-CONNECTION");
89     return TCL_ERROR;
90   }
91   if( !Tcl_GetCommandInfo(interp, Tcl_GetString(objv[1]), &cmdInfo) ){
92     Tcl_AppendResult(interp, "command not found: ",
93            Tcl_GetString(objv[1]), (char*)0);
94     return TCL_ERROR;
95   }
96   p = (struct SqliteDb*)cmdInfo.objClientData;
97   sqlite3_snprintf(sizeof(zBuf), zBuf, "%p", p->db);
98   Tcl_AppendResult(interp, zBuf, 0);
99   return TCL_OK;
100 }
101 
102 /*
103 ** Decode a pointer to an sqlite3 object.
104 */
105 int getDbPointer(Tcl_Interp *interp, const char *zA, sqlite3 **ppDb){
106   struct SqliteDb *p;
107   Tcl_CmdInfo cmdInfo;
108   if( Tcl_GetCommandInfo(interp, zA, &cmdInfo) ){
109     p = (struct SqliteDb*)cmdInfo.objClientData;
110     *ppDb = p->db;
111   }else{
112     *ppDb = (sqlite3*)sqlite3TestTextToPtr(zA);
113   }
114   return TCL_OK;
115 }
116 
117 #if SQLITE_OS_WIN
118 /*
119 ** Decode a Win32 HANDLE object.
120 */
121 int getWin32Handle(Tcl_Interp *interp, const char *zA, LPHANDLE phFile){
122   *phFile = (HANDLE)sqlite3TestTextToPtr(zA);
123   return TCL_OK;
124 }
125 #endif
126 
127 extern const char *sqlite3ErrName(int);
128 #define t1ErrorName sqlite3ErrName
129 
130 /*
131 ** Convert an sqlite3_stmt* into an sqlite3*.  This depends on the
132 ** fact that the sqlite3* is the first field in the Vdbe structure.
133 */
134 #define StmtToDb(X)   sqlite3_db_handle(X)
135 
136 /*
137 ** Check a return value to make sure it agrees with the results
138 ** from sqlite3_errcode.
139 */
140 int sqlite3TestErrCode(Tcl_Interp *interp, sqlite3 *db, int rc){
141   if( sqlite3_threadsafe()==0 && rc!=SQLITE_MISUSE && rc!=SQLITE_OK
142    && sqlite3_errcode(db)!=rc ){
143     char zBuf[200];
144     int r2 = sqlite3_errcode(db);
145     sqlite3_snprintf(sizeof(zBuf), zBuf,
146        "error code %s (%d) does not match sqlite3_errcode %s (%d)",
147        t1ErrorName(rc), rc, t1ErrorName(r2), r2);
148     Tcl_ResetResult(interp);
149     Tcl_AppendResult(interp, zBuf, 0);
150     return 1;
151   }
152   return 0;
153 }
154 
155 /*
156 ** Decode a pointer to an sqlite3_stmt object.
157 */
158 static int getStmtPointer(
159   Tcl_Interp *interp,
160   const char *zArg,
161   sqlite3_stmt **ppStmt
162 ){
163   *ppStmt = (sqlite3_stmt*)sqlite3TestTextToPtr(zArg);
164   return TCL_OK;
165 }
166 
167 /*
168 ** Generate a text representation of a pointer that can be understood
169 ** by the getDbPointer and getVmPointer routines above.
170 **
171 ** The problem is, on some machines (Solaris) if you do a printf with
172 ** "%p" you cannot turn around and do a scanf with the same "%p" and
173 ** get your pointer back.  You have to prepend a "0x" before it will
174 ** work.  Or at least that is what is reported to me (drh).  But this
175 ** behavior varies from machine to machine.  The solution used her is
176 ** to test the string right after it is generated to see if it can be
177 ** understood by scanf, and if not, try prepending an "0x" to see if
178 ** that helps.  If nothing works, a fatal error is generated.
179 */
180 int sqlite3TestMakePointerStr(Tcl_Interp *interp, char *zPtr, void *p){
181   sqlite3_snprintf(100, zPtr, "%p", p);
182   return TCL_OK;
183 }
184 
185 /*
186 ** The callback routine for sqlite3_exec_printf().
187 */
188 static int exec_printf_cb(void *pArg, int argc, char **argv, char **name){
189   Tcl_DString *str = (Tcl_DString*)pArg;
190   int i;
191 
192   if( Tcl_DStringLength(str)==0 ){
193     for(i=0; i<argc; i++){
194       Tcl_DStringAppendElement(str, name[i] ? name[i] : "NULL");
195     }
196   }
197   for(i=0; i<argc; i++){
198     Tcl_DStringAppendElement(str, argv[i] ? argv[i] : "NULL");
199   }
200   return 0;
201 }
202 
203 /*
204 ** The I/O tracing callback.
205 */
206 #if !defined(SQLITE_OMIT_TRACE) && defined(SQLITE_ENABLE_IOTRACE)
207 static FILE *iotrace_file = 0;
208 static void io_trace_callback(const char *zFormat, ...){
209   va_list ap;
210   va_start(ap, zFormat);
211   vfprintf(iotrace_file, zFormat, ap);
212   va_end(ap);
213   fflush(iotrace_file);
214 }
215 #endif
216 
217 /*
218 ** Usage:  io_trace FILENAME
219 **
220 ** Turn I/O tracing on or off.  If FILENAME is not an empty string,
221 ** I/O tracing begins going into FILENAME. If FILENAME is an empty
222 ** string, I/O tracing is turned off.
223 */
224 static int test_io_trace(
225   void *NotUsed,
226   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
227   int argc,              /* Number of arguments */
228   char **argv            /* Text of each argument */
229 ){
230 #if !defined(SQLITE_OMIT_TRACE) && defined(SQLITE_ENABLE_IOTRACE)
231   if( argc!=2 ){
232     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
233           " FILENAME\"", 0);
234     return TCL_ERROR;
235   }
236   if( iotrace_file ){
237     if( iotrace_file!=stdout && iotrace_file!=stderr ){
238       fclose(iotrace_file);
239     }
240     iotrace_file = 0;
241     sqlite3IoTrace = 0;
242   }
243   if( argv[1][0] ){
244     if( strcmp(argv[1],"stdout")==0 ){
245       iotrace_file = stdout;
246     }else if( strcmp(argv[1],"stderr")==0 ){
247       iotrace_file = stderr;
248     }else{
249       iotrace_file = fopen(argv[1], "w");
250     }
251     sqlite3IoTrace = io_trace_callback;
252   }
253 #endif
254   return TCL_OK;
255 }
256 
257 /*
258 ** Usage:  clang_sanitize_address
259 **
260 ** Returns true if the program was compiled using clang with the
261 ** -fsanitize=address switch on the command line. False otherwise.
262 **
263 ** Also return true if the OMIT_MISUSE environment variable exists.
264 */
265 static int clang_sanitize_address(
266   void *NotUsed,
267   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
268   int argc,              /* Number of arguments */
269   char **argv            /* Text of each argument */
270 ){
271   int res = 0;
272 #if defined(__has_feature)
273 # if __has_feature(address_sanitizer)
274   res = 1;
275 # endif
276 #endif
277 #ifdef __SANITIZE_ADDRESS__
278   res = 1;
279 #endif
280   if( res==0 && getenv("OMIT_MISUSE")!=0 ) res = 1;
281   Tcl_SetObjResult(interp, Tcl_NewIntObj(res));
282   return TCL_OK;
283 }
284 
285 /*
286 ** Usage:  sqlite3_exec_printf  DB  FORMAT  STRING
287 **
288 ** Invoke the sqlite3_exec_printf() interface using the open database
289 ** DB.  The SQL is the string FORMAT.  The format string should contain
290 ** one %s or %q.  STRING is the value inserted into %s or %q.
291 */
292 static int test_exec_printf(
293   void *NotUsed,
294   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
295   int argc,              /* Number of arguments */
296   char **argv            /* Text of each argument */
297 ){
298   sqlite3 *db;
299   Tcl_DString str;
300   int rc;
301   char *zErr = 0;
302   char *zSql;
303   char zBuf[30];
304   if( argc!=4 ){
305     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
306        " DB FORMAT STRING", 0);
307     return TCL_ERROR;
308   }
309   if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
310   Tcl_DStringInit(&str);
311   zSql = sqlite3_mprintf(argv[2], argv[3]);
312   rc = sqlite3_exec(db, zSql, exec_printf_cb, &str, &zErr);
313   sqlite3_free(zSql);
314   sqlite3_snprintf(sizeof(zBuf), zBuf, "%d", rc);
315   Tcl_AppendElement(interp, zBuf);
316   Tcl_AppendElement(interp, rc==SQLITE_OK ? Tcl_DStringValue(&str) : zErr);
317   Tcl_DStringFree(&str);
318   if( zErr ) sqlite3_free(zErr);
319   if( sqlite3TestErrCode(interp, db, rc) ) return TCL_ERROR;
320   return TCL_OK;
321 }
322 
323 /*
324 ** Usage:  sqlite3_exec_hex  DB  HEX
325 **
326 ** Invoke the sqlite3_exec() on a string that is obtained by translating
327 ** HEX into ASCII.  Most characters are translated as is.  %HH becomes
328 ** a hex character.
329 */
330 static int test_exec_hex(
331   void *NotUsed,
332   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
333   int argc,              /* Number of arguments */
334   char **argv            /* Text of each argument */
335 ){
336   sqlite3 *db;
337   Tcl_DString str;
338   int rc, i, j;
339   char *zErr = 0;
340   char *zHex;
341   char zSql[501];
342   char zBuf[30];
343   if( argc!=3 ){
344     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
345        " DB HEX", 0);
346     return TCL_ERROR;
347   }
348   if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
349   zHex = argv[2];
350   for(i=j=0; i<(sizeof(zSql)-1) && zHex[j]; i++, j++){
351     if( zHex[j]=='%' && zHex[j+2] && zHex[j+2] ){
352       zSql[i] = (testHexToInt(zHex[j+1])<<4) + testHexToInt(zHex[j+2]);
353       j += 2;
354     }else{
355       zSql[i] = zHex[j];
356     }
357   }
358   zSql[i] = 0;
359   Tcl_DStringInit(&str);
360   rc = sqlite3_exec(db, zSql, exec_printf_cb, &str, &zErr);
361   sqlite3_snprintf(sizeof(zBuf), zBuf, "%d", rc);
362   Tcl_AppendElement(interp, zBuf);
363   Tcl_AppendElement(interp, rc==SQLITE_OK ? Tcl_DStringValue(&str) : zErr);
364   Tcl_DStringFree(&str);
365   if( zErr ) sqlite3_free(zErr);
366   if( sqlite3TestErrCode(interp, db, rc) ) return TCL_ERROR;
367   return TCL_OK;
368 }
369 
370 /*
371 ** Usage:  db_enter DB
372 **         db_leave DB
373 **
374 ** Enter or leave the mutex on a database connection.
375 */
376 static int db_enter(
377   void *NotUsed,
378   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
379   int argc,              /* Number of arguments */
380   char **argv            /* Text of each argument */
381 ){
382   sqlite3 *db;
383   if( argc!=2 ){
384     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
385        " DB", 0);
386     return TCL_ERROR;
387   }
388   if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
389   sqlite3_mutex_enter(db->mutex);
390   return TCL_OK;
391 }
392 static int db_leave(
393   void *NotUsed,
394   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
395   int argc,              /* Number of arguments */
396   char **argv            /* Text of each argument */
397 ){
398   sqlite3 *db;
399   if( argc!=2 ){
400     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
401        " DB", 0);
402     return TCL_ERROR;
403   }
404   if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
405   sqlite3_mutex_leave(db->mutex);
406   return TCL_OK;
407 }
408 
409 /*
410 ** Usage:  sqlite3_exec  DB  SQL
411 **
412 ** Invoke the sqlite3_exec interface using the open database DB
413 */
414 static int test_exec(
415   void *NotUsed,
416   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
417   int argc,              /* Number of arguments */
418   char **argv            /* Text of each argument */
419 ){
420   sqlite3 *db;
421   Tcl_DString str;
422   int rc;
423   char *zErr = 0;
424   char *zSql;
425   int i, j;
426   char zBuf[30];
427   if( argc!=3 ){
428     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
429        " DB SQL", 0);
430     return TCL_ERROR;
431   }
432   if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
433   Tcl_DStringInit(&str);
434   zSql = sqlite3_mprintf("%s", argv[2]);
435   for(i=j=0; zSql[i];){
436     if( zSql[i]=='%' ){
437       zSql[j++] = (testHexToInt(zSql[i+1])<<4) + testHexToInt(zSql[i+2]);
438       i += 3;
439     }else{
440       zSql[j++] = zSql[i++];
441     }
442   }
443   zSql[j] = 0;
444   rc = sqlite3_exec(db, zSql, exec_printf_cb, &str, &zErr);
445   sqlite3_free(zSql);
446   sqlite3_snprintf(sizeof(zBuf), zBuf, "%d", rc);
447   Tcl_AppendElement(interp, zBuf);
448   Tcl_AppendElement(interp, rc==SQLITE_OK ? Tcl_DStringValue(&str) : zErr);
449   Tcl_DStringFree(&str);
450   if( zErr ) sqlite3_free(zErr);
451   if( sqlite3TestErrCode(interp, db, rc) ) return TCL_ERROR;
452   return TCL_OK;
453 }
454 
455 /*
456 ** Usage:  sqlite3_exec_nr  DB  SQL
457 **
458 ** Invoke the sqlite3_exec interface using the open database DB.  Discard
459 ** all results
460 */
461 static int test_exec_nr(
462   void *NotUsed,
463   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
464   int argc,              /* Number of arguments */
465   char **argv            /* Text of each argument */
466 ){
467   sqlite3 *db;
468   int rc;
469   char *zErr = 0;
470   if( argc!=3 ){
471     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
472        " DB SQL", 0);
473     return TCL_ERROR;
474   }
475   if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
476   rc = sqlite3_exec(db, argv[2], 0, 0, &zErr);
477   if( sqlite3TestErrCode(interp, db, rc) ) return TCL_ERROR;
478   return TCL_OK;
479 }
480 
481 /*
482 ** Usage:  sqlite3_mprintf_z_test  SEPARATOR  ARG0  ARG1 ...
483 **
484 ** Test the %z format of sqlite_mprintf().  Use multiple mprintf() calls to
485 ** concatenate arg0 through argn using separator as the separator.
486 ** Return the result.
487 */
488 static int test_mprintf_z(
489   void *NotUsed,
490   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
491   int argc,              /* Number of arguments */
492   char **argv            /* Text of each argument */
493 ){
494   char *zResult = 0;
495   int i;
496 
497   for(i=2; i<argc && (i==2 || zResult); i++){
498     zResult = sqlite3_mprintf("%z%s%s", zResult, argv[1], argv[i]);
499   }
500   Tcl_AppendResult(interp, zResult, 0);
501   sqlite3_free(zResult);
502   return TCL_OK;
503 }
504 
505 /*
506 ** Usage:  sqlite3_mprintf_n_test  STRING
507 **
508 ** Test the %n format of sqlite_mprintf().  Return the length of the
509 ** input string.
510 */
511 static int test_mprintf_n(
512   void *NotUsed,
513   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
514   int argc,              /* Number of arguments */
515   char **argv            /* Text of each argument */
516 ){
517   char *zStr;
518   int n = 0;
519   zStr = sqlite3_mprintf("%s%n", argv[1], &n);
520   sqlite3_free(zStr);
521   Tcl_SetObjResult(interp, Tcl_NewIntObj(n));
522   return TCL_OK;
523 }
524 
525 /*
526 ** Usage:  sqlite3_snprintf_int  SIZE FORMAT  INT
527 **
528 ** Test the of sqlite3_snprintf() routine.  SIZE is the size of the
529 ** output buffer in bytes.  The maximum size is 100.  FORMAT is the
530 ** format string.  INT is a single integer argument.  The FORMAT
531 ** string must require no more than this one integer argument.  If
532 ** You pass in a format string that requires more than one argument,
533 ** bad things will happen.
534 */
535 static int test_snprintf_int(
536   void *NotUsed,
537   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
538   int argc,              /* Number of arguments */
539   char **argv            /* Text of each argument */
540 ){
541   char zStr[100];
542   int n = atoi(argv[1]);
543   const char *zFormat = argv[2];
544   int a1 = atoi(argv[3]);
545   if( n>sizeof(zStr) ) n = sizeof(zStr);
546   sqlite3_snprintf(sizeof(zStr), zStr, "abcdefghijklmnopqrstuvwxyz");
547   sqlite3_snprintf(n, zStr, zFormat, a1);
548   Tcl_AppendResult(interp, zStr, 0);
549   return TCL_OK;
550 }
551 
552 #ifndef SQLITE_OMIT_GET_TABLE
553 
554 /*
555 ** Usage:  sqlite3_get_table_printf  DB  FORMAT  STRING  ?--no-counts?
556 **
557 ** Invoke the sqlite3_get_table_printf() interface using the open database
558 ** DB.  The SQL is the string FORMAT.  The format string should contain
559 ** one %s or %q.  STRING is the value inserted into %s or %q.
560 */
561 static int test_get_table_printf(
562   void *NotUsed,
563   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
564   int argc,              /* Number of arguments */
565   char **argv            /* Text of each argument */
566 ){
567   sqlite3 *db;
568   Tcl_DString str;
569   int rc;
570   char *zErr = 0;
571   int nRow = 0, nCol = 0;
572   char **aResult;
573   int i;
574   char zBuf[30];
575   char *zSql;
576   int resCount = -1;
577   if( argc==5 ){
578     if( Tcl_GetInt(interp, argv[4], &resCount) ) return TCL_ERROR;
579   }
580   if( argc!=4 && argc!=5 ){
581     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
582        " DB FORMAT STRING ?COUNT?", 0);
583     return TCL_ERROR;
584   }
585   if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
586   Tcl_DStringInit(&str);
587   zSql = sqlite3_mprintf(argv[2],argv[3]);
588   if( argc==5 ){
589     rc = sqlite3_get_table(db, zSql, &aResult, 0, 0, &zErr);
590   }else{
591     rc = sqlite3_get_table(db, zSql, &aResult, &nRow, &nCol, &zErr);
592     resCount = (nRow+1)*nCol;
593   }
594   sqlite3_free(zSql);
595   sqlite3_snprintf(sizeof(zBuf), zBuf, "%d", rc);
596   Tcl_AppendElement(interp, zBuf);
597   if( rc==SQLITE_OK ){
598     if( argc==4 ){
599       sqlite3_snprintf(sizeof(zBuf), zBuf, "%d", nRow);
600       Tcl_AppendElement(interp, zBuf);
601       sqlite3_snprintf(sizeof(zBuf), zBuf, "%d", nCol);
602       Tcl_AppendElement(interp, zBuf);
603     }
604     for(i=0; i<resCount; i++){
605       Tcl_AppendElement(interp, aResult[i] ? aResult[i] : "NULL");
606     }
607   }else{
608     Tcl_AppendElement(interp, zErr);
609   }
610   sqlite3_free_table(aResult);
611   if( zErr ) sqlite3_free(zErr);
612   if( sqlite3TestErrCode(interp, db, rc) ) return TCL_ERROR;
613   return TCL_OK;
614 }
615 
616 #endif /* SQLITE_OMIT_GET_TABLE */
617 
618 
619 /*
620 ** Usage:  sqlite3_last_insert_rowid DB
621 **
622 ** Returns the integer ROWID of the most recent insert.
623 */
624 static int test_last_rowid(
625   void *NotUsed,
626   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
627   int argc,              /* Number of arguments */
628   char **argv            /* Text of each argument */
629 ){
630   sqlite3 *db;
631   char zBuf[30];
632 
633   if( argc!=2 ){
634     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0], " DB\"", 0);
635     return TCL_ERROR;
636   }
637   if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
638   sqlite3_snprintf(sizeof(zBuf), zBuf, "%lld", sqlite3_last_insert_rowid(db));
639   Tcl_AppendResult(interp, zBuf, 0);
640   return SQLITE_OK;
641 }
642 
643 /*
644 ** Usage:  sqlite3_key DB KEY
645 **
646 ** Set the codec key.
647 */
648 static int test_key(
649   void *NotUsed,
650   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
651   int argc,              /* Number of arguments */
652   char **argv            /* Text of each argument */
653 ){
654 #if defined(SQLITE_HAS_CODEC) && !defined(SQLITE_OMIT_CODEC_FROM_TCL)
655   sqlite3 *db;
656   const char *zKey;
657   int nKey;
658   if( argc!=3 ){
659     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
660        " FILENAME\"", 0);
661     return TCL_ERROR;
662   }
663   if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
664   zKey = argv[2];
665   nKey = strlen(zKey);
666   sqlite3_key(db, zKey, nKey);
667 #endif
668   return TCL_OK;
669 }
670 
671 /*
672 ** Usage:  sqlite3_rekey DB KEY
673 **
674 ** Change the codec key.
675 */
676 static int test_rekey(
677   void *NotUsed,
678   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
679   int argc,              /* Number of arguments */
680   char **argv            /* Text of each argument */
681 ){
682 #ifdef SQLITE_HAS_CODEC
683   sqlite3 *db;
684   const char *zKey;
685   int nKey;
686   if( argc!=3 ){
687     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
688        " FILENAME\"", 0);
689     return TCL_ERROR;
690   }
691   if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
692   zKey = argv[2];
693   nKey = strlen(zKey);
694   sqlite3_rekey(db, zKey, nKey);
695 #endif
696   return TCL_OK;
697 }
698 
699 /*
700 ** Usage:  sqlite3_close DB
701 **
702 ** Closes the database opened by sqlite3_open.
703 */
704 static int sqlite_test_close(
705   void *NotUsed,
706   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
707   int argc,              /* Number of arguments */
708   char **argv            /* Text of each argument */
709 ){
710   sqlite3 *db;
711   int rc;
712   if( argc!=2 ){
713     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
714        " FILENAME\"", 0);
715     return TCL_ERROR;
716   }
717   if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
718   rc = sqlite3_close(db);
719   Tcl_SetResult(interp, (char *)t1ErrorName(rc), TCL_STATIC);
720   return TCL_OK;
721 }
722 
723 /*
724 ** Usage:  sqlite3_close_v2 DB
725 **
726 ** Closes the database opened by sqlite3_open.
727 */
728 static int sqlite_test_close_v2(
729   void *NotUsed,
730   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
731   int argc,              /* Number of arguments */
732   char **argv            /* Text of each argument */
733 ){
734   sqlite3 *db;
735   int rc;
736   if( argc!=2 ){
737     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
738        " FILENAME\"", 0);
739     return TCL_ERROR;
740   }
741   if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
742   rc = sqlite3_close_v2(db);
743   Tcl_SetResult(interp, (char *)t1ErrorName(rc), TCL_STATIC);
744   return TCL_OK;
745 }
746 
747 /*
748 ** Implementation of the x_coalesce() function.
749 ** Return the first argument non-NULL argument.
750 */
751 static void t1_ifnullFunc(
752   sqlite3_context *context,
753   int argc,
754   sqlite3_value **argv
755 ){
756   int i;
757   for(i=0; i<argc; i++){
758     if( SQLITE_NULL!=sqlite3_value_type(argv[i]) ){
759       int n = sqlite3_value_bytes(argv[i]);
760       sqlite3_result_text(context, (char*)sqlite3_value_text(argv[i]),
761           n, SQLITE_TRANSIENT);
762       break;
763     }
764   }
765 }
766 
767 /*
768 ** These are test functions.    hex8() interprets its argument as
769 ** UTF8 and returns a hex encoding.  hex16le() interprets its argument
770 ** as UTF16le and returns a hex encoding.
771 */
772 static void hex8Func(sqlite3_context *p, int argc, sqlite3_value **argv){
773   const unsigned char *z;
774   int i;
775   char zBuf[200];
776   z = sqlite3_value_text(argv[0]);
777   for(i=0; i<sizeof(zBuf)/2 - 2 && z[i]; i++){
778     sqlite3_snprintf(sizeof(zBuf)-i*2, &zBuf[i*2], "%02x", z[i]);
779   }
780   zBuf[i*2] = 0;
781   sqlite3_result_text(p, (char*)zBuf, -1, SQLITE_TRANSIENT);
782 }
783 #ifndef SQLITE_OMIT_UTF16
784 static void hex16Func(sqlite3_context *p, int argc, sqlite3_value **argv){
785   const unsigned short int *z;
786   int i;
787   char zBuf[400];
788   z = sqlite3_value_text16(argv[0]);
789   for(i=0; i<sizeof(zBuf)/4 - 4 && z[i]; i++){
790     sqlite3_snprintf(sizeof(zBuf)-i*4, &zBuf[i*4],"%04x", z[i]&0xff);
791   }
792   zBuf[i*4] = 0;
793   sqlite3_result_text(p, (char*)zBuf, -1, SQLITE_TRANSIENT);
794 }
795 #endif
796 
797 /*
798 ** A structure into which to accumulate text.
799 */
800 struct dstr {
801   int nAlloc;  /* Space allocated */
802   int nUsed;   /* Space used */
803   char *z;     /* The space */
804 };
805 
806 /*
807 ** Append text to a dstr
808 */
809 static void dstrAppend(struct dstr *p, const char *z, int divider){
810   int n = (int)strlen(z);
811   if( p->nUsed + n + 2 > p->nAlloc ){
812     char *zNew;
813     p->nAlloc = p->nAlloc*2 + n + 200;
814     zNew = sqlite3_realloc(p->z, p->nAlloc);
815     if( zNew==0 ){
816       sqlite3_free(p->z);
817       memset(p, 0, sizeof(*p));
818       return;
819     }
820     p->z = zNew;
821   }
822   if( divider && p->nUsed>0 ){
823     p->z[p->nUsed++] = divider;
824   }
825   memcpy(&p->z[p->nUsed], z, n+1);
826   p->nUsed += n;
827 }
828 
829 /*
830 ** Invoked for each callback from sqlite3ExecFunc
831 */
832 static int execFuncCallback(void *pData, int argc, char **argv, char **NotUsed){
833   struct dstr *p = (struct dstr*)pData;
834   int i;
835   for(i=0; i<argc; i++){
836     if( argv[i]==0 ){
837       dstrAppend(p, "NULL", ' ');
838     }else{
839       dstrAppend(p, argv[i], ' ');
840     }
841   }
842   return 0;
843 }
844 
845 /*
846 ** Implementation of the x_sqlite_exec() function.  This function takes
847 ** a single argument and attempts to execute that argument as SQL code.
848 ** This is illegal and should set the SQLITE_MISUSE flag on the database.
849 **
850 ** 2004-Jan-07:  We have changed this to make it legal to call sqlite3_exec()
851 ** from within a function call.
852 **
853 ** This routine simulates the effect of having two threads attempt to
854 ** use the same database at the same time.
855 */
856 static void sqlite3ExecFunc(
857   sqlite3_context *context,
858   int argc,
859   sqlite3_value **argv
860 ){
861   struct dstr x;
862   memset(&x, 0, sizeof(x));
863   (void)sqlite3_exec((sqlite3*)sqlite3_user_data(context),
864       (char*)sqlite3_value_text(argv[0]),
865       execFuncCallback, &x, 0);
866   sqlite3_result_text(context, x.z, x.nUsed, SQLITE_TRANSIENT);
867   sqlite3_free(x.z);
868 }
869 
870 /*
871 ** Implementation of tkt2213func(), a scalar function that takes exactly
872 ** one argument. It has two interesting features:
873 **
874 ** * It calls sqlite3_value_text() 3 times on the argument sqlite3_value*.
875 **   If the three pointers returned are not the same an SQL error is raised.
876 **
877 ** * Otherwise it returns a copy of the text representation of its
878 **   argument in such a way as the VDBE representation is a Mem* cell
879 **   with the MEM_Term flag clear.
880 **
881 ** Ticket #2213 can therefore be tested by evaluating the following
882 ** SQL expression:
883 **
884 **   tkt2213func(tkt2213func('a string'));
885 */
886 static void tkt2213Function(
887   sqlite3_context *context,
888   int argc,
889   sqlite3_value **argv
890 ){
891   int nText;
892   unsigned char const *zText1;
893   unsigned char const *zText2;
894   unsigned char const *zText3;
895 
896   nText = sqlite3_value_bytes(argv[0]);
897   zText1 = sqlite3_value_text(argv[0]);
898   zText2 = sqlite3_value_text(argv[0]);
899   zText3 = sqlite3_value_text(argv[0]);
900 
901   if( zText1!=zText2 || zText2!=zText3 ){
902     sqlite3_result_error(context, "tkt2213 is not fixed", -1);
903   }else{
904     char *zCopy = (char *)sqlite3_malloc(nText);
905     memcpy(zCopy, zText1, nText);
906     sqlite3_result_text(context, zCopy, nText, sqlite3_free);
907   }
908 }
909 
910 /*
911 ** The following SQL function takes 4 arguments.  The 2nd and
912 ** 4th argument must be one of these strings:  'text', 'text16',
913 ** or 'blob' corresponding to API functions
914 **
915 **      sqlite3_value_text()
916 **      sqlite3_value_text16()
917 **      sqlite3_value_blob()
918 **
919 ** The third argument is a string, either 'bytes' or 'bytes16' or 'noop',
920 ** corresponding to APIs:
921 **
922 **      sqlite3_value_bytes()
923 **      sqlite3_value_bytes16()
924 **      noop
925 **
926 ** The APIs designated by the 2nd through 4th arguments are applied
927 ** to the first argument in order.  If the pointers returned by the
928 ** second and fourth are different, this routine returns 1.  Otherwise,
929 ** this routine returns 0.
930 **
931 ** This function is used to test to see when returned pointers from
932 ** the _text(), _text16() and _blob() APIs become invalidated.
933 */
934 static void ptrChngFunction(
935   sqlite3_context *context,
936   int argc,
937   sqlite3_value **argv
938 ){
939   const void *p1, *p2;
940   const char *zCmd;
941   if( argc!=4 ) return;
942   zCmd = (const char*)sqlite3_value_text(argv[1]);
943   if( zCmd==0 ) return;
944   if( strcmp(zCmd,"text")==0 ){
945     p1 = (const void*)sqlite3_value_text(argv[0]);
946 #ifndef SQLITE_OMIT_UTF16
947   }else if( strcmp(zCmd, "text16")==0 ){
948     p1 = (const void*)sqlite3_value_text16(argv[0]);
949 #endif
950   }else if( strcmp(zCmd, "blob")==0 ){
951     p1 = (const void*)sqlite3_value_blob(argv[0]);
952   }else{
953     return;
954   }
955   zCmd = (const char*)sqlite3_value_text(argv[2]);
956   if( zCmd==0 ) return;
957   if( strcmp(zCmd,"bytes")==0 ){
958     sqlite3_value_bytes(argv[0]);
959 #ifndef SQLITE_OMIT_UTF16
960   }else if( strcmp(zCmd, "bytes16")==0 ){
961     sqlite3_value_bytes16(argv[0]);
962 #endif
963   }else if( strcmp(zCmd, "noop")==0 ){
964     /* do nothing */
965   }else{
966     return;
967   }
968   zCmd = (const char*)sqlite3_value_text(argv[3]);
969   if( zCmd==0 ) return;
970   if( strcmp(zCmd,"text")==0 ){
971     p2 = (const void*)sqlite3_value_text(argv[0]);
972 #ifndef SQLITE_OMIT_UTF16
973   }else if( strcmp(zCmd, "text16")==0 ){
974     p2 = (const void*)sqlite3_value_text16(argv[0]);
975 #endif
976   }else if( strcmp(zCmd, "blob")==0 ){
977     p2 = (const void*)sqlite3_value_blob(argv[0]);
978   }else{
979     return;
980   }
981   sqlite3_result_int(context, p1!=p2);
982 }
983 
984 /*
985 ** This SQL function returns a different answer each time it is called, even if
986 ** the arguments are the same.
987 */
988 static void nondeterministicFunction(
989   sqlite3_context *context,
990   int argc,
991   sqlite3_value **argv
992 ){
993   static int cnt = 0;
994   sqlite3_result_int(context, cnt++);
995 }
996 
997 /*
998 ** Usage:  sqlite3_create_function DB
999 **
1000 ** Call the sqlite3_create_function API on the given database in order
1001 ** to create a function named "x_coalesce".  This function does the same thing
1002 ** as the "coalesce" function.  This function also registers an SQL function
1003 ** named "x_sqlite_exec" that invokes sqlite3_exec().  Invoking sqlite3_exec()
1004 ** in this way is illegal recursion and should raise an SQLITE_MISUSE error.
1005 ** The effect is similar to trying to use the same database connection from
1006 ** two threads at the same time.
1007 **
1008 ** The original motivation for this routine was to be able to call the
1009 ** sqlite3_create_function function while a query is in progress in order
1010 ** to test the SQLITE_MISUSE detection logic.
1011 */
1012 static int test_create_function(
1013   void *NotUsed,
1014   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
1015   int argc,              /* Number of arguments */
1016   char **argv            /* Text of each argument */
1017 ){
1018   int rc;
1019   sqlite3 *db;
1020 
1021   if( argc!=2 ){
1022     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
1023        " DB\"", 0);
1024     return TCL_ERROR;
1025   }
1026   if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
1027   rc = sqlite3_create_function(db, "x_coalesce", -1, SQLITE_UTF8, 0,
1028         t1_ifnullFunc, 0, 0);
1029   if( rc==SQLITE_OK ){
1030     rc = sqlite3_create_function(db, "hex8", 1, SQLITE_UTF8 | SQLITE_DETERMINISTIC,
1031           0, hex8Func, 0, 0);
1032   }
1033 #ifndef SQLITE_OMIT_UTF16
1034   if( rc==SQLITE_OK ){
1035     rc = sqlite3_create_function(db, "hex16", 1, SQLITE_UTF16 | SQLITE_DETERMINISTIC,
1036           0, hex16Func, 0, 0);
1037   }
1038 #endif
1039   if( rc==SQLITE_OK ){
1040     rc = sqlite3_create_function(db, "tkt2213func", 1, SQLITE_ANY, 0,
1041           tkt2213Function, 0, 0);
1042   }
1043   if( rc==SQLITE_OK ){
1044     rc = sqlite3_create_function(db, "pointer_change", 4, SQLITE_ANY, 0,
1045           ptrChngFunction, 0, 0);
1046   }
1047 
1048   /* Functions counter1() and counter2() have the same implementation - they
1049   ** both return an ascending integer with each call.  But counter1() is marked
1050   ** as non-deterministic and counter2() is marked as deterministic.
1051   */
1052   if( rc==SQLITE_OK ){
1053     rc = sqlite3_create_function(db, "counter1", -1, SQLITE_UTF8,
1054           0, nondeterministicFunction, 0, 0);
1055   }
1056   if( rc==SQLITE_OK ){
1057     rc = sqlite3_create_function(db, "counter2", -1, SQLITE_UTF8|SQLITE_DETERMINISTIC,
1058           0, nondeterministicFunction, 0, 0);
1059   }
1060 
1061 #ifndef SQLITE_OMIT_UTF16
1062   /* Use the sqlite3_create_function16() API here. Mainly for fun, but also
1063   ** because it is not tested anywhere else. */
1064   if( rc==SQLITE_OK ){
1065     const void *zUtf16;
1066     sqlite3_value *pVal;
1067     sqlite3_mutex_enter(db->mutex);
1068     pVal = sqlite3ValueNew(db);
1069     sqlite3ValueSetStr(pVal, -1, "x_sqlite_exec", SQLITE_UTF8, SQLITE_STATIC);
1070     zUtf16 = sqlite3ValueText(pVal, SQLITE_UTF16NATIVE);
1071     if( db->mallocFailed ){
1072       rc = SQLITE_NOMEM;
1073     }else{
1074       rc = sqlite3_create_function16(db, zUtf16,
1075                 1, SQLITE_UTF16, db, sqlite3ExecFunc, 0, 0);
1076     }
1077     sqlite3ValueFree(pVal);
1078     sqlite3_mutex_leave(db->mutex);
1079   }
1080 #endif
1081 
1082   if( sqlite3TestErrCode(interp, db, rc) ) return TCL_ERROR;
1083   Tcl_SetResult(interp, (char *)t1ErrorName(rc), 0);
1084   return TCL_OK;
1085 }
1086 
1087 /*
1088 ** Routines to implement the x_count() aggregate function.
1089 **
1090 ** x_count() counts the number of non-null arguments.  But there are
1091 ** some twists for testing purposes.
1092 **
1093 ** If the argument to x_count() is 40 then a UTF-8 error is reported
1094 ** on the step function.  If x_count(41) is seen, then a UTF-16 error
1095 ** is reported on the step function.  If the total count is 42, then
1096 ** a UTF-8 error is reported on the finalize function.
1097 */
1098 typedef struct t1CountCtx t1CountCtx;
1099 struct t1CountCtx {
1100   int n;
1101 };
1102 static void t1CountStep(
1103   sqlite3_context *context,
1104   int argc,
1105   sqlite3_value **argv
1106 ){
1107   t1CountCtx *p;
1108   p = sqlite3_aggregate_context(context, sizeof(*p));
1109   if( (argc==0 || SQLITE_NULL!=sqlite3_value_type(argv[0]) ) && p ){
1110     p->n++;
1111   }
1112   if( argc>0 ){
1113     int v = sqlite3_value_int(argv[0]);
1114     if( v==40 ){
1115       sqlite3_result_error(context, "value of 40 handed to x_count", -1);
1116 #ifndef SQLITE_OMIT_UTF16
1117     }else if( v==41 ){
1118       const char zUtf16ErrMsg[] = { 0, 0x61, 0, 0x62, 0, 0x63, 0, 0, 0};
1119       sqlite3_result_error16(context, &zUtf16ErrMsg[1-SQLITE_BIGENDIAN], -1);
1120 #endif
1121     }
1122   }
1123 }
1124 static void t1CountFinalize(sqlite3_context *context){
1125   t1CountCtx *p;
1126   p = sqlite3_aggregate_context(context, sizeof(*p));
1127   if( p ){
1128     if( p->n==42 ){
1129       sqlite3_result_error(context, "x_count totals to 42", -1);
1130     }else{
1131       sqlite3_result_int(context, p ? p->n : 0);
1132     }
1133   }
1134 }
1135 
1136 #ifndef SQLITE_OMIT_DEPRECATED
1137 static void legacyCountStep(
1138   sqlite3_context *context,
1139   int argc,
1140   sqlite3_value **argv
1141 ){
1142   /* no-op */
1143 }
1144 
1145 static void legacyCountFinalize(sqlite3_context *context){
1146   sqlite3_result_int(context, sqlite3_aggregate_count(context));
1147 }
1148 #endif
1149 
1150 /*
1151 ** Usage:  sqlite3_create_aggregate DB
1152 **
1153 ** Call the sqlite3_create_function API on the given database in order
1154 ** to create a function named "x_count".  This function is similar
1155 ** to the built-in count() function, with a few special quirks
1156 ** for testing the sqlite3_result_error() APIs.
1157 **
1158 ** The original motivation for this routine was to be able to call the
1159 ** sqlite3_create_aggregate function while a query is in progress in order
1160 ** to test the SQLITE_MISUSE detection logic.  See misuse.test.
1161 **
1162 ** This routine was later extended to test the use of sqlite3_result_error()
1163 ** within aggregate functions.
1164 **
1165 ** Later: It is now also extended to register the aggregate function
1166 ** "legacy_count()" with the supplied database handle. This is used
1167 ** to test the deprecated sqlite3_aggregate_count() API.
1168 */
1169 static int test_create_aggregate(
1170   void *NotUsed,
1171   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
1172   int argc,              /* Number of arguments */
1173   char **argv            /* Text of each argument */
1174 ){
1175   sqlite3 *db;
1176   int rc;
1177   if( argc!=2 ){
1178     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
1179        " FILENAME\"", 0);
1180     return TCL_ERROR;
1181   }
1182   if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
1183   rc = sqlite3_create_function(db, "x_count", 0, SQLITE_UTF8, 0, 0,
1184       t1CountStep,t1CountFinalize);
1185   if( rc==SQLITE_OK ){
1186     rc = sqlite3_create_function(db, "x_count", 1, SQLITE_UTF8, 0, 0,
1187         t1CountStep,t1CountFinalize);
1188   }
1189 #ifndef SQLITE_OMIT_DEPRECATED
1190   if( rc==SQLITE_OK ){
1191     rc = sqlite3_create_function(db, "legacy_count", 0, SQLITE_ANY, 0, 0,
1192         legacyCountStep, legacyCountFinalize
1193     );
1194   }
1195 #endif
1196   if( sqlite3TestErrCode(interp, db, rc) ) return TCL_ERROR;
1197   Tcl_SetResult(interp, (char *)t1ErrorName(rc), 0);
1198   return TCL_OK;
1199 }
1200 
1201 
1202 /*
1203 ** Usage:  printf TEXT
1204 **
1205 ** Send output to printf.  Use this rather than puts to merge the output
1206 ** in the correct sequence with debugging printfs inserted into C code.
1207 ** Puts uses a separate buffer and debugging statements will be out of
1208 ** sequence if it is used.
1209 */
1210 static int test_printf(
1211   void *NotUsed,
1212   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
1213   int argc,              /* Number of arguments */
1214   char **argv            /* Text of each argument */
1215 ){
1216   if( argc!=2 ){
1217     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
1218        " TEXT\"", 0);
1219     return TCL_ERROR;
1220   }
1221   printf("%s\n", argv[1]);
1222   return TCL_OK;
1223 }
1224 
1225 
1226 
1227 /*
1228 ** Usage:  sqlite3_mprintf_int FORMAT INTEGER INTEGER INTEGER
1229 **
1230 ** Call mprintf with three integer arguments
1231 */
1232 static int sqlite3_mprintf_int(
1233   void *NotUsed,
1234   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
1235   int argc,              /* Number of arguments */
1236   char **argv            /* Text of each argument */
1237 ){
1238   int a[3], i;
1239   char *z;
1240   if( argc!=5 ){
1241     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
1242        " FORMAT INT INT INT\"", 0);
1243     return TCL_ERROR;
1244   }
1245   for(i=2; i<5; i++){
1246     if( Tcl_GetInt(interp, argv[i], &a[i-2]) ) return TCL_ERROR;
1247   }
1248   z = sqlite3_mprintf(argv[1], a[0], a[1], a[2]);
1249   Tcl_AppendResult(interp, z, 0);
1250   sqlite3_free(z);
1251   return TCL_OK;
1252 }
1253 
1254 /*
1255 ** Usage:  sqlite3_mprintf_int64 FORMAT INTEGER INTEGER INTEGER
1256 **
1257 ** Call mprintf with three 64-bit integer arguments
1258 */
1259 static int sqlite3_mprintf_int64(
1260   void *NotUsed,
1261   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
1262   int argc,              /* Number of arguments */
1263   char **argv            /* Text of each argument */
1264 ){
1265   int i;
1266   sqlite_int64 a[3];
1267   char *z;
1268   if( argc!=5 ){
1269     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
1270        " FORMAT INT INT INT\"", 0);
1271     return TCL_ERROR;
1272   }
1273   for(i=2; i<5; i++){
1274     if( sqlite3Atoi64(argv[i], &a[i-2], 1000000, SQLITE_UTF8) ){
1275       Tcl_AppendResult(interp, "argument is not a valid 64-bit integer", 0);
1276       return TCL_ERROR;
1277     }
1278   }
1279   z = sqlite3_mprintf(argv[1], a[0], a[1], a[2]);
1280   Tcl_AppendResult(interp, z, 0);
1281   sqlite3_free(z);
1282   return TCL_OK;
1283 }
1284 
1285 /*
1286 ** Usage:  sqlite3_mprintf_long FORMAT INTEGER INTEGER INTEGER
1287 **
1288 ** Call mprintf with three long integer arguments.   This might be the
1289 ** same as sqlite3_mprintf_int or sqlite3_mprintf_int64, depending on
1290 ** platform.
1291 */
1292 static int sqlite3_mprintf_long(
1293   void *NotUsed,
1294   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
1295   int argc,              /* Number of arguments */
1296   char **argv            /* Text of each argument */
1297 ){
1298   int i;
1299   long int a[3];
1300   int b[3];
1301   char *z;
1302   if( argc!=5 ){
1303     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
1304        " FORMAT INT INT INT\"", 0);
1305     return TCL_ERROR;
1306   }
1307   for(i=2; i<5; i++){
1308     if( Tcl_GetInt(interp, argv[i], &b[i-2]) ) return TCL_ERROR;
1309     a[i-2] = (long int)b[i-2];
1310     a[i-2] &= (((u64)1)<<(sizeof(int)*8))-1;
1311   }
1312   z = sqlite3_mprintf(argv[1], a[0], a[1], a[2]);
1313   Tcl_AppendResult(interp, z, 0);
1314   sqlite3_free(z);
1315   return TCL_OK;
1316 }
1317 
1318 /*
1319 ** Usage:  sqlite3_mprintf_str FORMAT INTEGER INTEGER STRING
1320 **
1321 ** Call mprintf with two integer arguments and one string argument
1322 */
1323 static int sqlite3_mprintf_str(
1324   void *NotUsed,
1325   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
1326   int argc,              /* Number of arguments */
1327   char **argv            /* Text of each argument */
1328 ){
1329   int a[3], i;
1330   char *z;
1331   if( argc<4 || argc>5 ){
1332     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
1333        " FORMAT INT INT ?STRING?\"", 0);
1334     return TCL_ERROR;
1335   }
1336   for(i=2; i<4; i++){
1337     if( Tcl_GetInt(interp, argv[i], &a[i-2]) ) return TCL_ERROR;
1338   }
1339   z = sqlite3_mprintf(argv[1], a[0], a[1], argc>4 ? argv[4] : NULL);
1340   Tcl_AppendResult(interp, z, 0);
1341   sqlite3_free(z);
1342   return TCL_OK;
1343 }
1344 
1345 /*
1346 ** Usage:  sqlite3_snprintf_str INTEGER FORMAT INTEGER INTEGER STRING
1347 **
1348 ** Call mprintf with two integer arguments and one string argument
1349 */
1350 static int sqlite3_snprintf_str(
1351   void *NotUsed,
1352   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
1353   int argc,              /* Number of arguments */
1354   char **argv            /* Text of each argument */
1355 ){
1356   int a[3], i;
1357   int n;
1358   char *z;
1359   if( argc<5 || argc>6 ){
1360     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
1361        " INT FORMAT INT INT ?STRING?\"", 0);
1362     return TCL_ERROR;
1363   }
1364   if( Tcl_GetInt(interp, argv[1], &n) ) return TCL_ERROR;
1365   if( n<0 ){
1366     Tcl_AppendResult(interp, "N must be non-negative", 0);
1367     return TCL_ERROR;
1368   }
1369   for(i=3; i<5; i++){
1370     if( Tcl_GetInt(interp, argv[i], &a[i-3]) ) return TCL_ERROR;
1371   }
1372   z = sqlite3_malloc( n+1 );
1373   sqlite3_snprintf(n, z, argv[2], a[0], a[1], argc>4 ? argv[5] : NULL);
1374   Tcl_AppendResult(interp, z, 0);
1375   sqlite3_free(z);
1376   return TCL_OK;
1377 }
1378 
1379 /*
1380 ** Usage:  sqlite3_mprintf_double FORMAT INTEGER INTEGER DOUBLE
1381 **
1382 ** Call mprintf with two integer arguments and one double argument
1383 */
1384 static int sqlite3_mprintf_double(
1385   void *NotUsed,
1386   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
1387   int argc,              /* Number of arguments */
1388   char **argv            /* Text of each argument */
1389 ){
1390   int a[3], i;
1391   double r;
1392   char *z;
1393   if( argc!=5 ){
1394     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
1395        " FORMAT INT INT DOUBLE\"", 0);
1396     return TCL_ERROR;
1397   }
1398   for(i=2; i<4; i++){
1399     if( Tcl_GetInt(interp, argv[i], &a[i-2]) ) return TCL_ERROR;
1400   }
1401   if( Tcl_GetDouble(interp, argv[4], &r) ) return TCL_ERROR;
1402   z = sqlite3_mprintf(argv[1], a[0], a[1], r);
1403   Tcl_AppendResult(interp, z, 0);
1404   sqlite3_free(z);
1405   return TCL_OK;
1406 }
1407 
1408 /*
1409 ** Usage:  sqlite3_mprintf_scaled FORMAT DOUBLE DOUBLE
1410 **
1411 ** Call mprintf with a single double argument which is the product of the
1412 ** two arguments given above.  This is used to generate overflow and underflow
1413 ** doubles to test that they are converted properly.
1414 */
1415 static int sqlite3_mprintf_scaled(
1416   void *NotUsed,
1417   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
1418   int argc,              /* Number of arguments */
1419   char **argv            /* Text of each argument */
1420 ){
1421   int i;
1422   double r[2];
1423   char *z;
1424   if( argc!=4 ){
1425     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
1426        " FORMAT DOUBLE DOUBLE\"", 0);
1427     return TCL_ERROR;
1428   }
1429   for(i=2; i<4; i++){
1430     if( Tcl_GetDouble(interp, argv[i], &r[i-2]) ) return TCL_ERROR;
1431   }
1432   z = sqlite3_mprintf(argv[1], r[0]*r[1]);
1433   Tcl_AppendResult(interp, z, 0);
1434   sqlite3_free(z);
1435   return TCL_OK;
1436 }
1437 
1438 /*
1439 ** Usage:  sqlite3_mprintf_stronly FORMAT STRING
1440 **
1441 ** Call mprintf with a single double argument which is the product of the
1442 ** two arguments given above.  This is used to generate overflow and underflow
1443 ** doubles to test that they are converted properly.
1444 */
1445 static int sqlite3_mprintf_stronly(
1446   void *NotUsed,
1447   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
1448   int argc,              /* Number of arguments */
1449   char **argv            /* Text of each argument */
1450 ){
1451   char *z;
1452   if( argc!=3 ){
1453     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
1454        " FORMAT STRING\"", 0);
1455     return TCL_ERROR;
1456   }
1457   z = sqlite3_mprintf(argv[1], argv[2]);
1458   Tcl_AppendResult(interp, z, 0);
1459   sqlite3_free(z);
1460   return TCL_OK;
1461 }
1462 
1463 /*
1464 ** Usage:  sqlite3_mprintf_hexdouble FORMAT HEX
1465 **
1466 ** Call mprintf with a single double argument which is derived from the
1467 ** hexadecimal encoding of an IEEE double.
1468 */
1469 static int sqlite3_mprintf_hexdouble(
1470   void *NotUsed,
1471   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
1472   int argc,              /* Number of arguments */
1473   char **argv            /* Text of each argument */
1474 ){
1475   char *z;
1476   double r;
1477   unsigned int x1, x2;
1478   sqlite_uint64 d;
1479   if( argc!=3 ){
1480     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
1481        " FORMAT STRING\"", 0);
1482     return TCL_ERROR;
1483   }
1484   if( sscanf(argv[2], "%08x%08x", &x2, &x1)!=2 ){
1485     Tcl_AppendResult(interp, "2nd argument should be 16-characters of hex", 0);
1486     return TCL_ERROR;
1487   }
1488   d = x2;
1489   d = (d<<32) + x1;
1490   memcpy(&r, &d, sizeof(r));
1491   z = sqlite3_mprintf(argv[1], r);
1492   Tcl_AppendResult(interp, z, 0);
1493   sqlite3_free(z);
1494   return TCL_OK;
1495 }
1496 
1497 /*
1498 ** Usage: sqlite3_enable_shared_cache ?BOOLEAN?
1499 **
1500 */
1501 #if !defined(SQLITE_OMIT_SHARED_CACHE)
1502 static int test_enable_shared(
1503   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
1504   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
1505   int objc,              /* Number of arguments */
1506   Tcl_Obj *CONST objv[]  /* Command arguments */
1507 ){
1508   int rc;
1509   int enable;
1510   int ret = 0;
1511 
1512   if( objc!=2 && objc!=1 ){
1513     Tcl_WrongNumArgs(interp, 1, objv, "?BOOLEAN?");
1514     return TCL_ERROR;
1515   }
1516   ret = sqlite3GlobalConfig.sharedCacheEnabled;
1517 
1518   if( objc==2 ){
1519     if( Tcl_GetBooleanFromObj(interp, objv[1], &enable) ){
1520       return TCL_ERROR;
1521     }
1522     rc = sqlite3_enable_shared_cache(enable);
1523     if( rc!=SQLITE_OK ){
1524       Tcl_SetResult(interp, (char *)sqlite3ErrStr(rc), TCL_STATIC);
1525       return TCL_ERROR;
1526     }
1527   }
1528   Tcl_SetObjResult(interp, Tcl_NewBooleanObj(ret));
1529   return TCL_OK;
1530 }
1531 #endif
1532 
1533 
1534 
1535 /*
1536 ** Usage: sqlite3_extended_result_codes   DB    BOOLEAN
1537 **
1538 */
1539 static int test_extended_result_codes(
1540   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
1541   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
1542   int objc,              /* Number of arguments */
1543   Tcl_Obj *CONST objv[]  /* Command arguments */
1544 ){
1545   int enable;
1546   sqlite3 *db;
1547 
1548   if( objc!=3 ){
1549     Tcl_WrongNumArgs(interp, 1, objv, "DB BOOLEAN");
1550     return TCL_ERROR;
1551   }
1552   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
1553   if( Tcl_GetBooleanFromObj(interp, objv[2], &enable) ) return TCL_ERROR;
1554   sqlite3_extended_result_codes(db, enable);
1555   return TCL_OK;
1556 }
1557 
1558 /*
1559 ** Usage: sqlite3_libversion_number
1560 **
1561 */
1562 static int test_libversion_number(
1563   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
1564   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
1565   int objc,              /* Number of arguments */
1566   Tcl_Obj *CONST objv[]  /* Command arguments */
1567 ){
1568   Tcl_SetObjResult(interp, Tcl_NewIntObj(sqlite3_libversion_number()));
1569   return TCL_OK;
1570 }
1571 
1572 /*
1573 ** Usage: sqlite3_table_column_metadata DB dbname tblname colname
1574 **
1575 */
1576 static int test_table_column_metadata(
1577   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
1578   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
1579   int objc,              /* Number of arguments */
1580   Tcl_Obj *CONST objv[]  /* Command arguments */
1581 ){
1582   sqlite3 *db;
1583   const char *zDb;
1584   const char *zTbl;
1585   const char *zCol;
1586   int rc;
1587   Tcl_Obj *pRet;
1588 
1589   const char *zDatatype;
1590   const char *zCollseq;
1591   int notnull;
1592   int primarykey;
1593   int autoincrement;
1594 
1595   if( objc!=5 && objc!=4 ){
1596     Tcl_WrongNumArgs(interp, 1, objv, "DB dbname tblname colname");
1597     return TCL_ERROR;
1598   }
1599   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
1600   zDb = Tcl_GetString(objv[2]);
1601   zTbl = Tcl_GetString(objv[3]);
1602   zCol = objc==5 ? Tcl_GetString(objv[4]) : 0;
1603 
1604   if( strlen(zDb)==0 ) zDb = 0;
1605 
1606   rc = sqlite3_table_column_metadata(db, zDb, zTbl, zCol,
1607       &zDatatype, &zCollseq, &notnull, &primarykey, &autoincrement);
1608 
1609   if( rc!=SQLITE_OK ){
1610     Tcl_AppendResult(interp, sqlite3_errmsg(db), 0);
1611     return TCL_ERROR;
1612   }
1613 
1614   pRet = Tcl_NewObj();
1615   Tcl_ListObjAppendElement(0, pRet, Tcl_NewStringObj(zDatatype, -1));
1616   Tcl_ListObjAppendElement(0, pRet, Tcl_NewStringObj(zCollseq, -1));
1617   Tcl_ListObjAppendElement(0, pRet, Tcl_NewIntObj(notnull));
1618   Tcl_ListObjAppendElement(0, pRet, Tcl_NewIntObj(primarykey));
1619   Tcl_ListObjAppendElement(0, pRet, Tcl_NewIntObj(autoincrement));
1620   Tcl_SetObjResult(interp, pRet);
1621 
1622   return TCL_OK;
1623 }
1624 
1625 #ifndef SQLITE_OMIT_INCRBLOB
1626 
1627 static int blobHandleFromObj(
1628   Tcl_Interp *interp,
1629   Tcl_Obj *pObj,
1630   sqlite3_blob **ppBlob
1631 ){
1632   char *z;
1633   int n;
1634 
1635   z = Tcl_GetStringFromObj(pObj, &n);
1636   if( n==0 ){
1637     *ppBlob = 0;
1638   }else{
1639     int notUsed;
1640     Tcl_Channel channel;
1641     ClientData instanceData;
1642 
1643     channel = Tcl_GetChannel(interp, z, &notUsed);
1644     if( !channel ) return TCL_ERROR;
1645 
1646     Tcl_Flush(channel);
1647     Tcl_Seek(channel, 0, SEEK_SET);
1648 
1649     instanceData = Tcl_GetChannelInstanceData(channel);
1650     *ppBlob = *((sqlite3_blob **)instanceData);
1651   }
1652 
1653   return TCL_OK;
1654 }
1655 
1656 static int test_blob_reopen(
1657   ClientData clientData, /* Not used */
1658   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
1659   int objc,              /* Number of arguments */
1660   Tcl_Obj *CONST objv[]  /* Command arguments */
1661 ){
1662   Tcl_WideInt iRowid;
1663   sqlite3_blob *pBlob;
1664   int rc;
1665 
1666   if( objc!=3 ){
1667     Tcl_WrongNumArgs(interp, 1, objv, "CHANNEL ROWID");
1668     return TCL_ERROR;
1669   }
1670 
1671   if( blobHandleFromObj(interp, objv[1], &pBlob) ) return TCL_ERROR;
1672   if( Tcl_GetWideIntFromObj(interp, objv[2], &iRowid) ) return TCL_ERROR;
1673 
1674   rc = sqlite3_blob_reopen(pBlob, iRowid);
1675   if( rc!=SQLITE_OK ){
1676     Tcl_SetResult(interp, (char *)sqlite3ErrName(rc), TCL_VOLATILE);
1677   }
1678 
1679   return (rc==SQLITE_OK ? TCL_OK : TCL_ERROR);
1680 }
1681 
1682 #endif
1683 
1684 /*
1685 ** Usage: sqlite3_create_collation_v2 DB-HANDLE NAME CMP-PROC DEL-PROC
1686 **
1687 **   This Tcl proc is used for testing the experimental
1688 **   sqlite3_create_collation_v2() interface.
1689 */
1690 struct TestCollationX {
1691   Tcl_Interp *interp;
1692   Tcl_Obj *pCmp;
1693   Tcl_Obj *pDel;
1694 };
1695 typedef struct TestCollationX TestCollationX;
1696 static void testCreateCollationDel(void *pCtx){
1697   TestCollationX *p = (TestCollationX *)pCtx;
1698 
1699   int rc = Tcl_EvalObjEx(p->interp, p->pDel, TCL_EVAL_DIRECT|TCL_EVAL_GLOBAL);
1700   if( rc!=TCL_OK ){
1701     Tcl_BackgroundError(p->interp);
1702   }
1703 
1704   Tcl_DecrRefCount(p->pCmp);
1705   Tcl_DecrRefCount(p->pDel);
1706   sqlite3_free((void *)p);
1707 }
1708 static int testCreateCollationCmp(
1709   void *pCtx,
1710   int nLeft,
1711   const void *zLeft,
1712   int nRight,
1713   const void *zRight
1714 ){
1715   TestCollationX *p = (TestCollationX *)pCtx;
1716   Tcl_Obj *pScript = Tcl_DuplicateObj(p->pCmp);
1717   int iRes = 0;
1718 
1719   Tcl_IncrRefCount(pScript);
1720   Tcl_ListObjAppendElement(0, pScript, Tcl_NewStringObj((char *)zLeft, nLeft));
1721   Tcl_ListObjAppendElement(0, pScript, Tcl_NewStringObj((char *)zRight,nRight));
1722 
1723   if( TCL_OK!=Tcl_EvalObjEx(p->interp, pScript, TCL_EVAL_DIRECT|TCL_EVAL_GLOBAL)
1724    || TCL_OK!=Tcl_GetIntFromObj(p->interp, Tcl_GetObjResult(p->interp), &iRes)
1725   ){
1726     Tcl_BackgroundError(p->interp);
1727   }
1728   Tcl_DecrRefCount(pScript);
1729 
1730   return iRes;
1731 }
1732 static int test_create_collation_v2(
1733   ClientData clientData, /* Not used */
1734   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
1735   int objc,              /* Number of arguments */
1736   Tcl_Obj *CONST objv[]  /* Command arguments */
1737 ){
1738   TestCollationX *p;
1739   sqlite3 *db;
1740   int rc;
1741 
1742   if( objc!=5 ){
1743     Tcl_WrongNumArgs(interp, 1, objv, "DB-HANDLE NAME CMP-PROC DEL-PROC");
1744     return TCL_ERROR;
1745   }
1746   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
1747 
1748   p = (TestCollationX *)sqlite3_malloc(sizeof(TestCollationX));
1749   p->pCmp = objv[3];
1750   p->pDel = objv[4];
1751   p->interp = interp;
1752   Tcl_IncrRefCount(p->pCmp);
1753   Tcl_IncrRefCount(p->pDel);
1754 
1755   rc = sqlite3_create_collation_v2(db, Tcl_GetString(objv[2]), 16,
1756       (void *)p, testCreateCollationCmp, testCreateCollationDel
1757   );
1758   if( rc!=SQLITE_MISUSE ){
1759     Tcl_AppendResult(interp, "sqlite3_create_collate_v2() failed to detect "
1760       "an invalid encoding", (char*)0);
1761     return TCL_ERROR;
1762   }
1763   rc = sqlite3_create_collation_v2(db, Tcl_GetString(objv[2]), SQLITE_UTF8,
1764       (void *)p, testCreateCollationCmp, testCreateCollationDel
1765   );
1766   return TCL_OK;
1767 }
1768 
1769 /*
1770 ** USAGE: sqlite3_create_function_v2 DB NAME NARG ENC ?SWITCHES?
1771 **
1772 ** Available switches are:
1773 **
1774 **   -func    SCRIPT
1775 **   -step    SCRIPT
1776 **   -final   SCRIPT
1777 **   -destroy SCRIPT
1778 */
1779 typedef struct CreateFunctionV2 CreateFunctionV2;
1780 struct CreateFunctionV2 {
1781   Tcl_Interp *interp;
1782   Tcl_Obj *pFunc;                 /* Script for function invocation */
1783   Tcl_Obj *pStep;                 /* Script for agg. step invocation */
1784   Tcl_Obj *pFinal;                /* Script for agg. finalization invocation */
1785   Tcl_Obj *pDestroy;              /* Destructor script */
1786 };
1787 static void cf2Func(sqlite3_context *ctx, int nArg, sqlite3_value **aArg){
1788 }
1789 static void cf2Step(sqlite3_context *ctx, int nArg, sqlite3_value **aArg){
1790 }
1791 static void cf2Final(sqlite3_context *ctx){
1792 }
1793 static void cf2Destroy(void *pUser){
1794   CreateFunctionV2 *p = (CreateFunctionV2 *)pUser;
1795 
1796   if( p->interp && p->pDestroy ){
1797     int rc = Tcl_EvalObjEx(p->interp, p->pDestroy, 0);
1798     if( rc!=TCL_OK ) Tcl_BackgroundError(p->interp);
1799   }
1800 
1801   if( p->pFunc ) Tcl_DecrRefCount(p->pFunc);
1802   if( p->pStep ) Tcl_DecrRefCount(p->pStep);
1803   if( p->pFinal ) Tcl_DecrRefCount(p->pFinal);
1804   if( p->pDestroy ) Tcl_DecrRefCount(p->pDestroy);
1805   sqlite3_free(p);
1806 }
1807 static int test_create_function_v2(
1808   ClientData clientData,          /* Not used */
1809   Tcl_Interp *interp,             /* The invoking TCL interpreter */
1810   int objc,                       /* Number of arguments */
1811   Tcl_Obj *CONST objv[]           /* Command arguments */
1812 ){
1813   sqlite3 *db;
1814   const char *zFunc;
1815   int nArg;
1816   int enc;
1817   CreateFunctionV2 *p;
1818   int i;
1819   int rc;
1820 
1821   struct EncTable {
1822     const char *zEnc;
1823     int enc;
1824   } aEnc[] = {
1825     {"utf8",    SQLITE_UTF8 },
1826     {"utf16",   SQLITE_UTF16 },
1827     {"utf16le", SQLITE_UTF16LE },
1828     {"utf16be", SQLITE_UTF16BE },
1829     {"any",     SQLITE_ANY },
1830     {"0", 0 }
1831   };
1832 
1833   if( objc<5 || (objc%2)==0 ){
1834     Tcl_WrongNumArgs(interp, 1, objv, "DB NAME NARG ENC SWITCHES...");
1835     return TCL_ERROR;
1836   }
1837 
1838   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
1839   zFunc = Tcl_GetString(objv[2]);
1840   if( Tcl_GetIntFromObj(interp, objv[3], &nArg) ) return TCL_ERROR;
1841   if( Tcl_GetIndexFromObjStruct(interp, objv[4], aEnc, sizeof(aEnc[0]),
1842           "encoding", 0, &enc)
1843   ){
1844     return TCL_ERROR;
1845   }
1846   enc = aEnc[enc].enc;
1847 
1848   p = sqlite3_malloc(sizeof(CreateFunctionV2));
1849   assert( p );
1850   memset(p, 0, sizeof(CreateFunctionV2));
1851   p->interp = interp;
1852 
1853   for(i=5; i<objc; i+=2){
1854     int iSwitch;
1855     const char *azSwitch[] = {"-func", "-step", "-final", "-destroy", 0};
1856     if( Tcl_GetIndexFromObj(interp, objv[i], azSwitch, "switch", 0, &iSwitch) ){
1857       sqlite3_free(p);
1858       return TCL_ERROR;
1859     }
1860 
1861     switch( iSwitch ){
1862       case 0: p->pFunc = objv[i+1];      break;
1863       case 1: p->pStep = objv[i+1];      break;
1864       case 2: p->pFinal = objv[i+1];     break;
1865       case 3: p->pDestroy = objv[i+1];   break;
1866     }
1867   }
1868   if( p->pFunc ) p->pFunc = Tcl_DuplicateObj(p->pFunc);
1869   if( p->pStep ) p->pStep = Tcl_DuplicateObj(p->pStep);
1870   if( p->pFinal ) p->pFinal = Tcl_DuplicateObj(p->pFinal);
1871   if( p->pDestroy ) p->pDestroy = Tcl_DuplicateObj(p->pDestroy);
1872 
1873   if( p->pFunc ) Tcl_IncrRefCount(p->pFunc);
1874   if( p->pStep ) Tcl_IncrRefCount(p->pStep);
1875   if( p->pFinal ) Tcl_IncrRefCount(p->pFinal);
1876   if( p->pDestroy ) Tcl_IncrRefCount(p->pDestroy);
1877 
1878   rc = sqlite3_create_function_v2(db, zFunc, nArg, enc, (void *)p,
1879       (p->pFunc ? cf2Func : 0),
1880       (p->pStep ? cf2Step : 0),
1881       (p->pFinal ? cf2Final : 0),
1882       cf2Destroy
1883   );
1884   if( rc!=SQLITE_OK ){
1885     Tcl_ResetResult(interp);
1886     Tcl_AppendResult(interp, sqlite3ErrName(rc), 0);
1887     return TCL_ERROR;
1888   }
1889   return TCL_OK;
1890 }
1891 
1892 /*
1893 ** Usage: sqlite3_load_extension DB-HANDLE FILE ?PROC?
1894 */
1895 static int test_load_extension(
1896   ClientData clientData, /* Not used */
1897   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
1898   int objc,              /* Number of arguments */
1899   Tcl_Obj *CONST objv[]  /* Command arguments */
1900 ){
1901   Tcl_CmdInfo cmdInfo;
1902   sqlite3 *db;
1903   int rc;
1904   char *zDb;
1905   char *zFile;
1906   char *zProc = 0;
1907   char *zErr = 0;
1908 
1909   if( objc!=4 && objc!=3 ){
1910     Tcl_WrongNumArgs(interp, 1, objv, "DB-HANDLE FILE ?PROC?");
1911     return TCL_ERROR;
1912   }
1913   zDb = Tcl_GetString(objv[1]);
1914   zFile = Tcl_GetString(objv[2]);
1915   if( objc==4 ){
1916     zProc = Tcl_GetString(objv[3]);
1917   }
1918 
1919   /* Extract the C database handle from the Tcl command name */
1920   if( !Tcl_GetCommandInfo(interp, zDb, &cmdInfo) ){
1921     Tcl_AppendResult(interp, "command not found: ", zDb, (char*)0);
1922     return TCL_ERROR;
1923   }
1924   db = ((struct SqliteDb*)cmdInfo.objClientData)->db;
1925   assert(db);
1926 
1927   /* Call the underlying C function. If an error occurs, set rc to
1928   ** TCL_ERROR and load any error string into the interpreter. If no
1929   ** error occurs, set rc to TCL_OK.
1930   */
1931 #ifdef SQLITE_OMIT_LOAD_EXTENSION
1932   rc = SQLITE_ERROR;
1933   zErr = sqlite3_mprintf("this build omits sqlite3_load_extension()");
1934   (void)zProc;
1935   (void)zFile;
1936 #else
1937   rc = sqlite3_load_extension(db, zFile, zProc, &zErr);
1938 #endif
1939   if( rc!=SQLITE_OK ){
1940     Tcl_SetResult(interp, zErr ? zErr : "", TCL_VOLATILE);
1941     rc = TCL_ERROR;
1942   }else{
1943     rc = TCL_OK;
1944   }
1945   sqlite3_free(zErr);
1946 
1947   return rc;
1948 }
1949 
1950 /*
1951 ** Usage: sqlite3_enable_load_extension DB-HANDLE ONOFF
1952 */
1953 static int test_enable_load(
1954   ClientData clientData, /* Not used */
1955   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
1956   int objc,              /* Number of arguments */
1957   Tcl_Obj *CONST objv[]  /* Command arguments */
1958 ){
1959   Tcl_CmdInfo cmdInfo;
1960   sqlite3 *db;
1961   char *zDb;
1962   int onoff;
1963 
1964   if( objc!=3 ){
1965     Tcl_WrongNumArgs(interp, 1, objv, "DB-HANDLE ONOFF");
1966     return TCL_ERROR;
1967   }
1968   zDb = Tcl_GetString(objv[1]);
1969 
1970   /* Extract the C database handle from the Tcl command name */
1971   if( !Tcl_GetCommandInfo(interp, zDb, &cmdInfo) ){
1972     Tcl_AppendResult(interp, "command not found: ", zDb, (char*)0);
1973     return TCL_ERROR;
1974   }
1975   db = ((struct SqliteDb*)cmdInfo.objClientData)->db;
1976   assert(db);
1977 
1978   /* Get the onoff parameter */
1979   if( Tcl_GetBooleanFromObj(interp, objv[2], &onoff) ){
1980     return TCL_ERROR;
1981   }
1982 
1983 #ifdef SQLITE_OMIT_LOAD_EXTENSION
1984   Tcl_AppendResult(interp, "this build omits sqlite3_load_extension()");
1985   return TCL_ERROR;
1986 #else
1987   sqlite3_enable_load_extension(db, onoff);
1988   return TCL_OK;
1989 #endif
1990 }
1991 
1992 /*
1993 ** Usage:  sqlite_abort
1994 **
1995 ** Shutdown the process immediately.  This is not a clean shutdown.
1996 ** This command is used to test the recoverability of a database in
1997 ** the event of a program crash.
1998 */
1999 static int sqlite_abort(
2000   void *NotUsed,
2001   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
2002   int argc,              /* Number of arguments */
2003   char **argv            /* Text of each argument */
2004 ){
2005 #if defined(_MSC_VER)
2006   /* We do this, otherwise the test will halt with a popup message
2007    * that we have to click away before the test will continue.
2008    */
2009   _set_abort_behavior( 0, _CALL_REPORTFAULT );
2010 #endif
2011   exit(255);
2012   assert( interp==0 );   /* This will always fail */
2013   return TCL_OK;
2014 }
2015 
2016 /*
2017 ** The following routine is a user-defined SQL function whose purpose
2018 ** is to test the sqlite_set_result() API.
2019 */
2020 static void testFunc(sqlite3_context *context, int argc, sqlite3_value **argv){
2021   while( argc>=2 ){
2022     const char *zArg0 = (char*)sqlite3_value_text(argv[0]);
2023     if( zArg0 ){
2024       if( 0==sqlite3StrICmp(zArg0, "int") ){
2025         sqlite3_result_int(context, sqlite3_value_int(argv[1]));
2026       }else if( sqlite3StrICmp(zArg0,"int64")==0 ){
2027         sqlite3_result_int64(context, sqlite3_value_int64(argv[1]));
2028       }else if( sqlite3StrICmp(zArg0,"string")==0 ){
2029         sqlite3_result_text(context, (char*)sqlite3_value_text(argv[1]), -1,
2030             SQLITE_TRANSIENT);
2031       }else if( sqlite3StrICmp(zArg0,"double")==0 ){
2032         sqlite3_result_double(context, sqlite3_value_double(argv[1]));
2033       }else if( sqlite3StrICmp(zArg0,"null")==0 ){
2034         sqlite3_result_null(context);
2035       }else if( sqlite3StrICmp(zArg0,"value")==0 ){
2036         sqlite3_result_value(context, argv[sqlite3_value_int(argv[1])]);
2037       }else{
2038         goto error_out;
2039       }
2040     }else{
2041       goto error_out;
2042     }
2043     argc -= 2;
2044     argv += 2;
2045   }
2046   return;
2047 
2048 error_out:
2049   sqlite3_result_error(context,"first argument should be one of: "
2050       "int int64 string double null value", -1);
2051 }
2052 
2053 /*
2054 ** Usage:   sqlite_register_test_function  DB  NAME
2055 **
2056 ** Register the test SQL function on the database DB under the name NAME.
2057 */
2058 static int test_register_func(
2059   void *NotUsed,
2060   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
2061   int argc,              /* Number of arguments */
2062   char **argv            /* Text of each argument */
2063 ){
2064   sqlite3 *db;
2065   int rc;
2066   if( argc!=3 ){
2067     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
2068        " DB FUNCTION-NAME", 0);
2069     return TCL_ERROR;
2070   }
2071   if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
2072   rc = sqlite3_create_function(db, argv[2], -1, SQLITE_UTF8, 0,
2073       testFunc, 0, 0);
2074   if( rc!=0 ){
2075     Tcl_AppendResult(interp, sqlite3ErrStr(rc), 0);
2076     return TCL_ERROR;
2077   }
2078   if( sqlite3TestErrCode(interp, db, rc) ) return TCL_ERROR;
2079   return TCL_OK;
2080 }
2081 
2082 /*
2083 ** Usage:  sqlite3_finalize  STMT
2084 **
2085 ** Finalize a statement handle.
2086 */
2087 static int test_finalize(
2088   void * clientData,
2089   Tcl_Interp *interp,
2090   int objc,
2091   Tcl_Obj *CONST objv[]
2092 ){
2093   sqlite3_stmt *pStmt;
2094   int rc;
2095   sqlite3 *db = 0;
2096 
2097   if( objc!=2 ){
2098     Tcl_AppendResult(interp, "wrong # args: should be \"",
2099         Tcl_GetStringFromObj(objv[0], 0), " <STMT>", 0);
2100     return TCL_ERROR;
2101   }
2102 
2103   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
2104 
2105   if( pStmt ){
2106     db = StmtToDb(pStmt);
2107   }
2108   rc = sqlite3_finalize(pStmt);
2109   Tcl_SetResult(interp, (char *)t1ErrorName(rc), TCL_STATIC);
2110   if( db && sqlite3TestErrCode(interp, db, rc) ) return TCL_ERROR;
2111   return TCL_OK;
2112 }
2113 
2114 /*
2115 ** Usage:  sqlite3_stmt_status  STMT  CODE  RESETFLAG
2116 **
2117 ** Get the value of a status counter from a statement.
2118 */
2119 static int test_stmt_status(
2120   void * clientData,
2121   Tcl_Interp *interp,
2122   int objc,
2123   Tcl_Obj *CONST objv[]
2124 ){
2125   int iValue;
2126   int i, op = 0, resetFlag;
2127   const char *zOpName;
2128   sqlite3_stmt *pStmt;
2129 
2130   static const struct {
2131     const char *zName;
2132     int op;
2133   } aOp[] = {
2134     { "SQLITE_STMTSTATUS_FULLSCAN_STEP",   SQLITE_STMTSTATUS_FULLSCAN_STEP   },
2135     { "SQLITE_STMTSTATUS_SORT",            SQLITE_STMTSTATUS_SORT            },
2136     { "SQLITE_STMTSTATUS_AUTOINDEX",       SQLITE_STMTSTATUS_AUTOINDEX       },
2137     { "SQLITE_STMTSTATUS_VM_STEP",         SQLITE_STMTSTATUS_VM_STEP         },
2138   };
2139   if( objc!=4 ){
2140     Tcl_WrongNumArgs(interp, 1, objv, "STMT PARAMETER RESETFLAG");
2141     return TCL_ERROR;
2142   }
2143   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
2144   zOpName = Tcl_GetString(objv[2]);
2145   for(i=0; i<ArraySize(aOp); i++){
2146     if( strcmp(aOp[i].zName, zOpName)==0 ){
2147       op = aOp[i].op;
2148       break;
2149     }
2150   }
2151   if( i>=ArraySize(aOp) ){
2152     if( Tcl_GetIntFromObj(interp, objv[2], &op) ) return TCL_ERROR;
2153   }
2154   if( Tcl_GetBooleanFromObj(interp, objv[3], &resetFlag) ) return TCL_ERROR;
2155   iValue = sqlite3_stmt_status(pStmt, op, resetFlag);
2156   Tcl_SetObjResult(interp, Tcl_NewIntObj(iValue));
2157   return TCL_OK;
2158 }
2159 
2160 #ifdef SQLITE_ENABLE_STMT_SCANSTATUS
2161 /*
2162 ** Usage:  sqlite3_stmt_scanstatus STMT IDX
2163 */
2164 static int test_stmt_scanstatus(
2165   void * clientData,
2166   Tcl_Interp *interp,
2167   int objc,
2168   Tcl_Obj *CONST objv[]
2169 ){
2170   sqlite3_stmt *pStmt;            /* First argument */
2171   int idx;                        /* Second argument */
2172 
2173   const char *zName;
2174   const char *zExplain;
2175   sqlite3_int64 nLoop;
2176   sqlite3_int64 nVisit;
2177   double rEst;
2178   int res;
2179 
2180   if( objc!=3 ){
2181     Tcl_WrongNumArgs(interp, 1, objv, "STMT IDX");
2182     return TCL_ERROR;
2183   }
2184   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
2185   if( Tcl_GetIntFromObj(interp, objv[2], &idx) ) return TCL_ERROR;
2186 
2187   res = sqlite3_stmt_scanstatus(pStmt, idx, SQLITE_SCANSTAT_NLOOP, (void*)&nLoop);
2188   if( res==0 ){
2189     Tcl_Obj *pRet = Tcl_NewObj();
2190     Tcl_ListObjAppendElement(0, pRet, Tcl_NewStringObj("nLoop", -1));
2191     Tcl_ListObjAppendElement(0, pRet, Tcl_NewWideIntObj(nLoop));
2192     sqlite3_stmt_scanstatus(pStmt, idx, SQLITE_SCANSTAT_NVISIT, (void*)&nVisit);
2193     Tcl_ListObjAppendElement(0, pRet, Tcl_NewStringObj("nVisit", -1));
2194     Tcl_ListObjAppendElement(0, pRet, Tcl_NewWideIntObj(nVisit));
2195     sqlite3_stmt_scanstatus(pStmt, idx, SQLITE_SCANSTAT_EST, (void*)&rEst);
2196     Tcl_ListObjAppendElement(0, pRet, Tcl_NewStringObj("nEst", -1));
2197     Tcl_ListObjAppendElement(0, pRet, Tcl_NewDoubleObj(rEst));
2198     sqlite3_stmt_scanstatus(pStmt, idx, SQLITE_SCANSTAT_NAME, (void*)&zName);
2199     Tcl_ListObjAppendElement(0, pRet, Tcl_NewStringObj("zName", -1));
2200     Tcl_ListObjAppendElement(0, pRet, Tcl_NewStringObj(zName, -1));
2201     sqlite3_stmt_scanstatus(pStmt, idx, SQLITE_SCANSTAT_EXPLAIN, (void*)&zExplain);
2202     Tcl_ListObjAppendElement(0, pRet, Tcl_NewStringObj("zExplain", -1));
2203     Tcl_ListObjAppendElement(0, pRet, Tcl_NewStringObj(zExplain, -1));
2204     Tcl_SetObjResult(interp, pRet);
2205   }else{
2206     Tcl_ResetResult(interp);
2207   }
2208   return TCL_OK;
2209 }
2210 
2211 /*
2212 ** Usage:  sqlite3_stmt_scanstatus_reset  STMT
2213 */
2214 static int test_stmt_scanstatus_reset(
2215   void * clientData,
2216   Tcl_Interp *interp,
2217   int objc,
2218   Tcl_Obj *CONST objv[]
2219 ){
2220   sqlite3_stmt *pStmt;            /* First argument */
2221   if( objc!=2 ){
2222     Tcl_WrongNumArgs(interp, 1, objv, "STMT");
2223     return TCL_ERROR;
2224   }
2225   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
2226   sqlite3_stmt_scanstatus_reset(pStmt);
2227   return TCL_OK;
2228 }
2229 #endif
2230 
2231 #ifdef SQLITE_ENABLE_SQLLOG
2232 /*
2233 ** Usage:  sqlite3_config_sqllog
2234 **
2235 ** Zero the SQLITE_CONFIG_SQLLOG configuration
2236 */
2237 static int test_config_sqllog(
2238   void * clientData,
2239   Tcl_Interp *interp,
2240   int objc,
2241   Tcl_Obj *CONST objv[]
2242 ){
2243   if( objc!=1 ){
2244     Tcl_WrongNumArgs(interp, 1, objv, "");
2245     return TCL_ERROR;
2246   }
2247   sqlite3_config(SQLITE_CONFIG_SQLLOG, 0, 0);
2248   return TCL_OK;
2249 }
2250 #endif
2251 
2252 /*
2253 ** Usage: vfs_current_time_int64
2254 **
2255 ** Return the value returned by the default VFS's xCurrentTimeInt64 method.
2256 */
2257 static int vfsCurrentTimeInt64(
2258   void * clientData,
2259   Tcl_Interp *interp,
2260   int objc,
2261   Tcl_Obj *CONST objv[]
2262 ){
2263   i64 t;
2264   sqlite3_vfs *pVfs = sqlite3_vfs_find(0);
2265   if( objc!=1 ){
2266     Tcl_WrongNumArgs(interp, 1, objv, "");
2267     return TCL_ERROR;
2268   }
2269   pVfs->xCurrentTimeInt64(pVfs, &t);
2270   Tcl_SetObjResult(interp, Tcl_NewWideIntObj(t));
2271   return TCL_OK;
2272 }
2273 
2274 #ifdef SQLITE_ENABLE_SNAPSHOT
2275 /*
2276 ** Usage: sqlite3_snapshot_get DB DBNAME
2277 */
2278 static int test_snapshot_get(
2279   void * clientData,
2280   Tcl_Interp *interp,
2281   int objc,
2282   Tcl_Obj *CONST objv[]
2283 ){
2284   int rc;
2285   sqlite3 *db;
2286   char *zName;
2287   sqlite3_snapshot *pSnapshot = 0;
2288 
2289   if( objc!=3 ){
2290     Tcl_WrongNumArgs(interp, 1, objv, "DB DBNAME");
2291     return TCL_ERROR;
2292   }
2293   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
2294   zName = Tcl_GetString(objv[2]);
2295 
2296   rc = sqlite3_snapshot_get(db, zName, &pSnapshot);
2297   if( rc!=SQLITE_OK ){
2298     Tcl_SetObjResult(interp, Tcl_NewStringObj(sqlite3ErrName(rc), -1));
2299     return TCL_ERROR;
2300   }else{
2301     char zBuf[100];
2302     if( sqlite3TestMakePointerStr(interp, zBuf, pSnapshot) ) return TCL_ERROR;
2303     Tcl_SetObjResult(interp, Tcl_NewStringObj(zBuf, -1));
2304   }
2305   return TCL_OK;
2306 }
2307 #endif /* SQLITE_ENABLE_SNAPSHOT */
2308 
2309 #ifdef SQLITE_ENABLE_SNAPSHOT
2310 /*
2311 ** Usage: sqlite3_snapshot_open DB DBNAME SNAPSHOT
2312 */
2313 static int test_snapshot_open(
2314   void * clientData,
2315   Tcl_Interp *interp,
2316   int objc,
2317   Tcl_Obj *CONST objv[]
2318 ){
2319   int rc;
2320   sqlite3 *db;
2321   char *zName;
2322   sqlite3_snapshot *pSnapshot;
2323 
2324   if( objc!=4 ){
2325     Tcl_WrongNumArgs(interp, 1, objv, "DB DBNAME SNAPSHOT");
2326     return TCL_ERROR;
2327   }
2328   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
2329   zName = Tcl_GetString(objv[2]);
2330   pSnapshot = (sqlite3_snapshot*)sqlite3TestTextToPtr(Tcl_GetString(objv[3]));
2331 
2332   rc = sqlite3_snapshot_open(db, zName, pSnapshot);
2333   if( rc!=SQLITE_OK ){
2334     Tcl_SetObjResult(interp, Tcl_NewStringObj(sqlite3ErrName(rc), -1));
2335     return TCL_ERROR;
2336   }
2337   return TCL_OK;
2338 }
2339 #endif /* SQLITE_ENABLE_SNAPSHOT */
2340 
2341 #ifdef SQLITE_ENABLE_SNAPSHOT
2342 /*
2343 ** Usage: sqlite3_snapshot_free SNAPSHOT
2344 */
2345 static int test_snapshot_free(
2346   void * clientData,
2347   Tcl_Interp *interp,
2348   int objc,
2349   Tcl_Obj *CONST objv[]
2350 ){
2351   sqlite3_snapshot *pSnapshot;
2352   if( objc!=2 ){
2353     Tcl_WrongNumArgs(interp, 1, objv, "SNAPSHOT");
2354     return TCL_ERROR;
2355   }
2356   pSnapshot = (sqlite3_snapshot*)sqlite3TestTextToPtr(Tcl_GetString(objv[1]));
2357   sqlite3_snapshot_free(pSnapshot);
2358   return TCL_OK;
2359 }
2360 #endif /* SQLITE_ENABLE_SNAPSHOT */
2361 
2362 /*
2363 ** Usage:  sqlite3_next_stmt  DB  STMT
2364 **
2365 ** Return the next statment in sequence after STMT.
2366 */
2367 static int test_next_stmt(
2368   void * clientData,
2369   Tcl_Interp *interp,
2370   int objc,
2371   Tcl_Obj *CONST objv[]
2372 ){
2373   sqlite3_stmt *pStmt;
2374   sqlite3 *db = 0;
2375   char zBuf[50];
2376 
2377   if( objc!=3 ){
2378     Tcl_AppendResult(interp, "wrong # args: should be \"",
2379         Tcl_GetStringFromObj(objv[0], 0), " DB STMT", 0);
2380     return TCL_ERROR;
2381   }
2382 
2383   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
2384   if( getStmtPointer(interp, Tcl_GetString(objv[2]), &pStmt) ) return TCL_ERROR;
2385   pStmt = sqlite3_next_stmt(db, pStmt);
2386   if( pStmt ){
2387     if( sqlite3TestMakePointerStr(interp, zBuf, pStmt) ) return TCL_ERROR;
2388     Tcl_AppendResult(interp, zBuf, 0);
2389   }
2390   return TCL_OK;
2391 }
2392 
2393 /*
2394 ** Usage:  sqlite3_stmt_readonly  STMT
2395 **
2396 ** Return true if STMT is a NULL pointer or a pointer to a statement
2397 ** that is guaranteed to leave the database unmodified.
2398 */
2399 static int test_stmt_readonly(
2400   void * clientData,
2401   Tcl_Interp *interp,
2402   int objc,
2403   Tcl_Obj *CONST objv[]
2404 ){
2405   sqlite3_stmt *pStmt;
2406   int rc;
2407 
2408   if( objc!=2 ){
2409     Tcl_AppendResult(interp, "wrong # args: should be \"",
2410         Tcl_GetStringFromObj(objv[0], 0), " STMT", 0);
2411     return TCL_ERROR;
2412   }
2413 
2414   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
2415   rc = sqlite3_stmt_readonly(pStmt);
2416   Tcl_SetObjResult(interp, Tcl_NewBooleanObj(rc));
2417   return TCL_OK;
2418 }
2419 
2420 /*
2421 ** Usage:  sqlite3_stmt_busy  STMT
2422 **
2423 ** Return true if STMT is a non-NULL pointer to a statement
2424 ** that has been stepped but not to completion.
2425 */
2426 static int test_stmt_busy(
2427   void * clientData,
2428   Tcl_Interp *interp,
2429   int objc,
2430   Tcl_Obj *CONST objv[]
2431 ){
2432   sqlite3_stmt *pStmt;
2433   int rc;
2434 
2435   if( objc!=2 ){
2436     Tcl_AppendResult(interp, "wrong # args: should be \"",
2437         Tcl_GetStringFromObj(objv[0], 0), " STMT", 0);
2438     return TCL_ERROR;
2439   }
2440 
2441   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
2442   rc = sqlite3_stmt_busy(pStmt);
2443   Tcl_SetObjResult(interp, Tcl_NewBooleanObj(rc));
2444   return TCL_OK;
2445 }
2446 
2447 /*
2448 ** Usage:  uses_stmt_journal  STMT
2449 **
2450 ** Return true if STMT uses a statement journal.
2451 */
2452 static int uses_stmt_journal(
2453   void * clientData,
2454   Tcl_Interp *interp,
2455   int objc,
2456   Tcl_Obj *CONST objv[]
2457 ){
2458   sqlite3_stmt *pStmt;
2459 
2460   if( objc!=2 ){
2461     Tcl_AppendResult(interp, "wrong # args: should be \"",
2462         Tcl_GetStringFromObj(objv[0], 0), " STMT", 0);
2463     return TCL_ERROR;
2464   }
2465 
2466   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
2467   sqlite3_stmt_readonly(pStmt);
2468   Tcl_SetObjResult(interp, Tcl_NewBooleanObj(((Vdbe *)pStmt)->usesStmtJournal));
2469   return TCL_OK;
2470 }
2471 
2472 
2473 /*
2474 ** Usage:  sqlite3_reset  STMT
2475 **
2476 ** Reset a statement handle.
2477 */
2478 static int test_reset(
2479   void * clientData,
2480   Tcl_Interp *interp,
2481   int objc,
2482   Tcl_Obj *CONST objv[]
2483 ){
2484   sqlite3_stmt *pStmt;
2485   int rc;
2486 
2487   if( objc!=2 ){
2488     Tcl_AppendResult(interp, "wrong # args: should be \"",
2489         Tcl_GetStringFromObj(objv[0], 0), " <STMT>", 0);
2490     return TCL_ERROR;
2491   }
2492 
2493   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
2494 
2495   rc = sqlite3_reset(pStmt);
2496   if( pStmt && sqlite3TestErrCode(interp, StmtToDb(pStmt), rc) ){
2497     return TCL_ERROR;
2498   }
2499   Tcl_SetResult(interp, (char *)t1ErrorName(rc), TCL_STATIC);
2500 /*
2501   if( rc ){
2502     return TCL_ERROR;
2503   }
2504 */
2505   return TCL_OK;
2506 }
2507 
2508 /*
2509 ** Usage:  sqlite3_expired STMT
2510 **
2511 ** Return TRUE if a recompilation of the statement is recommended.
2512 */
2513 static int test_expired(
2514   void * clientData,
2515   Tcl_Interp *interp,
2516   int objc,
2517   Tcl_Obj *CONST objv[]
2518 ){
2519 #ifndef SQLITE_OMIT_DEPRECATED
2520   sqlite3_stmt *pStmt;
2521   if( objc!=2 ){
2522     Tcl_AppendResult(interp, "wrong # args: should be \"",
2523         Tcl_GetStringFromObj(objv[0], 0), " <STMT>", 0);
2524     return TCL_ERROR;
2525   }
2526   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
2527   Tcl_SetObjResult(interp, Tcl_NewBooleanObj(sqlite3_expired(pStmt)));
2528 #endif
2529   return TCL_OK;
2530 }
2531 
2532 /*
2533 ** Usage:  sqlite3_transfer_bindings FROMSTMT TOSTMT
2534 **
2535 ** Transfer all bindings from FROMSTMT over to TOSTMT
2536 */
2537 static int test_transfer_bind(
2538   void * clientData,
2539   Tcl_Interp *interp,
2540   int objc,
2541   Tcl_Obj *CONST objv[]
2542 ){
2543 #ifndef SQLITE_OMIT_DEPRECATED
2544   sqlite3_stmt *pStmt1, *pStmt2;
2545   if( objc!=3 ){
2546     Tcl_AppendResult(interp, "wrong # args: should be \"",
2547         Tcl_GetStringFromObj(objv[0], 0), " FROM-STMT TO-STMT", 0);
2548     return TCL_ERROR;
2549   }
2550   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt1)) return TCL_ERROR;
2551   if( getStmtPointer(interp, Tcl_GetString(objv[2]), &pStmt2)) return TCL_ERROR;
2552   Tcl_SetObjResult(interp,
2553      Tcl_NewIntObj(sqlite3_transfer_bindings(pStmt1,pStmt2)));
2554 #endif
2555   return TCL_OK;
2556 }
2557 
2558 /*
2559 ** Usage:  sqlite3_changes DB
2560 **
2561 ** Return the number of changes made to the database by the last SQL
2562 ** execution.
2563 */
2564 static int test_changes(
2565   void * clientData,
2566   Tcl_Interp *interp,
2567   int objc,
2568   Tcl_Obj *CONST objv[]
2569 ){
2570   sqlite3 *db;
2571   if( objc!=2 ){
2572     Tcl_AppendResult(interp, "wrong # args: should be \"",
2573        Tcl_GetString(objv[0]), " DB", 0);
2574     return TCL_ERROR;
2575   }
2576   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
2577   Tcl_SetObjResult(interp, Tcl_NewIntObj(sqlite3_changes(db)));
2578   return TCL_OK;
2579 }
2580 
2581 /*
2582 ** This is the "static_bind_value" that variables are bound to when
2583 ** the FLAG option of sqlite3_bind is "static"
2584 */
2585 static char *sqlite_static_bind_value = 0;
2586 static int sqlite_static_bind_nbyte = 0;
2587 
2588 /*
2589 ** Usage:  sqlite3_bind  VM  IDX  VALUE  FLAGS
2590 **
2591 ** Sets the value of the IDX-th occurrence of "?" in the original SQL
2592 ** string.  VALUE is the new value.  If FLAGS=="null" then VALUE is
2593 ** ignored and the value is set to NULL.  If FLAGS=="static" then
2594 ** the value is set to the value of a static variable named
2595 ** "sqlite_static_bind_value".  If FLAGS=="normal" then a copy
2596 ** of the VALUE is made.  If FLAGS=="blob10" then a VALUE is ignored
2597 ** an a 10-byte blob "abc\000xyz\000pq" is inserted.
2598 */
2599 static int test_bind(
2600   void *NotUsed,
2601   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
2602   int argc,              /* Number of arguments */
2603   char **argv            /* Text of each argument */
2604 ){
2605   sqlite3_stmt *pStmt;
2606   int rc;
2607   int idx;
2608   if( argc!=5 ){
2609     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
2610        " VM IDX VALUE (null|static|normal)\"", 0);
2611     return TCL_ERROR;
2612   }
2613   if( getStmtPointer(interp, argv[1], &pStmt) ) return TCL_ERROR;
2614   if( Tcl_GetInt(interp, argv[2], &idx) ) return TCL_ERROR;
2615   if( strcmp(argv[4],"null")==0 ){
2616     rc = sqlite3_bind_null(pStmt, idx);
2617   }else if( strcmp(argv[4],"static")==0 ){
2618     rc = sqlite3_bind_text(pStmt, idx, sqlite_static_bind_value, -1, 0);
2619   }else if( strcmp(argv[4],"static-nbytes")==0 ){
2620     rc = sqlite3_bind_text(pStmt, idx, sqlite_static_bind_value,
2621                                        sqlite_static_bind_nbyte, 0);
2622   }else if( strcmp(argv[4],"normal")==0 ){
2623     rc = sqlite3_bind_text(pStmt, idx, argv[3], -1, SQLITE_TRANSIENT);
2624   }else if( strcmp(argv[4],"blob10")==0 ){
2625     rc = sqlite3_bind_text(pStmt, idx, "abc\000xyz\000pq", 10, SQLITE_STATIC);
2626   }else{
2627     Tcl_AppendResult(interp, "4th argument should be "
2628         "\"null\" or \"static\" or \"normal\"", 0);
2629     return TCL_ERROR;
2630   }
2631   if( sqlite3TestErrCode(interp, StmtToDb(pStmt), rc) ) return TCL_ERROR;
2632   if( rc ){
2633     char zBuf[50];
2634     sqlite3_snprintf(sizeof(zBuf), zBuf, "(%d) ", rc);
2635     Tcl_AppendResult(interp, zBuf, sqlite3ErrStr(rc), 0);
2636     return TCL_ERROR;
2637   }
2638   return TCL_OK;
2639 }
2640 
2641 #ifndef SQLITE_OMIT_UTF16
2642 /*
2643 ** Usage: add_test_collate <db ptr> <utf8> <utf16le> <utf16be>
2644 **
2645 ** This function is used to test that SQLite selects the correct collation
2646 ** sequence callback when multiple versions (for different text encodings)
2647 ** are available.
2648 **
2649 ** Calling this routine registers the collation sequence "test_collate"
2650 ** with database handle <db>. The second argument must be a list of three
2651 ** boolean values. If the first is true, then a version of test_collate is
2652 ** registered for UTF-8, if the second is true, a version is registered for
2653 ** UTF-16le, if the third is true, a UTF-16be version is available.
2654 ** Previous versions of test_collate are deleted.
2655 **
2656 ** The collation sequence test_collate is implemented by calling the
2657 ** following TCL script:
2658 **
2659 **   "test_collate <enc> <lhs> <rhs>"
2660 **
2661 ** The <lhs> and <rhs> are the two values being compared, encoded in UTF-8.
2662 ** The <enc> parameter is the encoding of the collation function that
2663 ** SQLite selected to call. The TCL test script implements the
2664 ** "test_collate" proc.
2665 **
2666 ** Note that this will only work with one interpreter at a time, as the
2667 ** interp pointer to use when evaluating the TCL script is stored in
2668 ** pTestCollateInterp.
2669 */
2670 static Tcl_Interp* pTestCollateInterp;
2671 static int test_collate_func(
2672   void *pCtx,
2673   int nA, const void *zA,
2674   int nB, const void *zB
2675 ){
2676   Tcl_Interp *i = pTestCollateInterp;
2677   int encin = SQLITE_PTR_TO_INT(pCtx);
2678   int res;
2679   int n;
2680 
2681   sqlite3_value *pVal;
2682   Tcl_Obj *pX;
2683 
2684   pX = Tcl_NewStringObj("test_collate", -1);
2685   Tcl_IncrRefCount(pX);
2686 
2687   switch( encin ){
2688     case SQLITE_UTF8:
2689       Tcl_ListObjAppendElement(i,pX,Tcl_NewStringObj("UTF-8",-1));
2690       break;
2691     case SQLITE_UTF16LE:
2692       Tcl_ListObjAppendElement(i,pX,Tcl_NewStringObj("UTF-16LE",-1));
2693       break;
2694     case SQLITE_UTF16BE:
2695       Tcl_ListObjAppendElement(i,pX,Tcl_NewStringObj("UTF-16BE",-1));
2696       break;
2697     default:
2698       assert(0);
2699   }
2700 
2701   sqlite3BeginBenignMalloc();
2702   pVal = sqlite3ValueNew(0);
2703   if( pVal ){
2704     sqlite3ValueSetStr(pVal, nA, zA, encin, SQLITE_STATIC);
2705     n = sqlite3_value_bytes(pVal);
2706     Tcl_ListObjAppendElement(i,pX,
2707         Tcl_NewStringObj((char*)sqlite3_value_text(pVal),n));
2708     sqlite3ValueSetStr(pVal, nB, zB, encin, SQLITE_STATIC);
2709     n = sqlite3_value_bytes(pVal);
2710     Tcl_ListObjAppendElement(i,pX,
2711         Tcl_NewStringObj((char*)sqlite3_value_text(pVal),n));
2712     sqlite3ValueFree(pVal);
2713   }
2714   sqlite3EndBenignMalloc();
2715 
2716   Tcl_EvalObjEx(i, pX, 0);
2717   Tcl_DecrRefCount(pX);
2718   Tcl_GetIntFromObj(i, Tcl_GetObjResult(i), &res);
2719   return res;
2720 }
2721 static int test_collate(
2722   void * clientData,
2723   Tcl_Interp *interp,
2724   int objc,
2725   Tcl_Obj *CONST objv[]
2726 ){
2727   sqlite3 *db;
2728   int val;
2729   sqlite3_value *pVal;
2730   int rc;
2731 
2732   if( objc!=5 ) goto bad_args;
2733   pTestCollateInterp = interp;
2734   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
2735 
2736   if( TCL_OK!=Tcl_GetBooleanFromObj(interp, objv[2], &val) ) return TCL_ERROR;
2737   rc = sqlite3_create_collation(db, "test_collate", SQLITE_UTF8,
2738           (void *)SQLITE_UTF8, val?test_collate_func:0);
2739   if( rc==SQLITE_OK ){
2740     const void *zUtf16;
2741     if( TCL_OK!=Tcl_GetBooleanFromObj(interp, objv[3], &val) ) return TCL_ERROR;
2742     rc = sqlite3_create_collation(db, "test_collate", SQLITE_UTF16LE,
2743             (void *)SQLITE_UTF16LE, val?test_collate_func:0);
2744     if( TCL_OK!=Tcl_GetBooleanFromObj(interp, objv[4], &val) ) return TCL_ERROR;
2745 
2746 #if 0
2747     if( sqlite3_iMallocFail>0 ){
2748       sqlite3_iMallocFail++;
2749     }
2750 #endif
2751     sqlite3_mutex_enter(db->mutex);
2752     pVal = sqlite3ValueNew(db);
2753     sqlite3ValueSetStr(pVal, -1, "test_collate", SQLITE_UTF8, SQLITE_STATIC);
2754     zUtf16 = sqlite3ValueText(pVal, SQLITE_UTF16NATIVE);
2755     if( db->mallocFailed ){
2756       rc = SQLITE_NOMEM;
2757     }else{
2758       rc = sqlite3_create_collation16(db, zUtf16, SQLITE_UTF16BE,
2759           (void *)SQLITE_UTF16BE, val?test_collate_func:0);
2760     }
2761     sqlite3ValueFree(pVal);
2762     sqlite3_mutex_leave(db->mutex);
2763   }
2764   if( sqlite3TestErrCode(interp, db, rc) ) return TCL_ERROR;
2765 
2766   if( rc!=SQLITE_OK ){
2767     Tcl_AppendResult(interp, sqlite3ErrName(rc), 0);
2768     return TCL_ERROR;
2769   }
2770   return TCL_OK;
2771 
2772 bad_args:
2773   Tcl_AppendResult(interp, "wrong # args: should be \"",
2774       Tcl_GetStringFromObj(objv[0], 0), " <DB> <utf8> <utf16le> <utf16be>", 0);
2775   return TCL_ERROR;
2776 }
2777 
2778 /*
2779 ** Usage: add_test_utf16bin_collate <db ptr>
2780 **
2781 ** Add a utf-16 collation sequence named "utf16bin" to the database
2782 ** handle. This collation sequence compares arguments in the same way as the
2783 ** built-in collation "binary".
2784 */
2785 static int test_utf16bin_collate_func(
2786   void *pCtx,
2787   int nA, const void *zA,
2788   int nB, const void *zB
2789 ){
2790   int nCmp = (nA>nB ? nB : nA);
2791   int res = memcmp(zA, zB, nCmp);
2792   if( res==0 ) res = nA - nB;
2793   return res;
2794 }
2795 static int test_utf16bin_collate(
2796   void * clientData,
2797   Tcl_Interp *interp,
2798   int objc,
2799   Tcl_Obj *CONST objv[]
2800 ){
2801   sqlite3 *db;
2802   int rc;
2803 
2804   if( objc!=2 ) goto bad_args;
2805   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
2806 
2807   rc = sqlite3_create_collation(db, "utf16bin", SQLITE_UTF16, 0,
2808       test_utf16bin_collate_func
2809   );
2810   if( sqlite3TestErrCode(interp, db, rc) ) return TCL_ERROR;
2811   return TCL_OK;
2812 
2813 bad_args:
2814   Tcl_WrongNumArgs(interp, 1, objv, "DB");
2815   return TCL_ERROR;
2816 }
2817 
2818 /*
2819 ** When the collation needed callback is invoked, record the name of
2820 ** the requested collating function here.  The recorded name is linked
2821 ** to a TCL variable and used to make sure that the requested collation
2822 ** name is correct.
2823 */
2824 static char zNeededCollation[200];
2825 static char *pzNeededCollation = zNeededCollation;
2826 
2827 
2828 /*
2829 ** Called when a collating sequence is needed.  Registered using
2830 ** sqlite3_collation_needed16().
2831 */
2832 static void test_collate_needed_cb(
2833   void *pCtx,
2834   sqlite3 *db,
2835   int eTextRep,
2836   const void *pName
2837 ){
2838   int enc = ENC(db);
2839   int i;
2840   char *z;
2841   for(z = (char*)pName, i=0; *z || z[1]; z++){
2842     if( *z ) zNeededCollation[i++] = *z;
2843   }
2844   zNeededCollation[i] = 0;
2845   sqlite3_create_collation(
2846       db, "test_collate", ENC(db), SQLITE_INT_TO_PTR(enc), test_collate_func);
2847 }
2848 
2849 /*
2850 ** Usage: add_test_collate_needed DB
2851 */
2852 static int test_collate_needed(
2853   void * clientData,
2854   Tcl_Interp *interp,
2855   int objc,
2856   Tcl_Obj *CONST objv[]
2857 ){
2858   sqlite3 *db;
2859   int rc;
2860 
2861   if( objc!=2 ) goto bad_args;
2862   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
2863   rc = sqlite3_collation_needed16(db, 0, test_collate_needed_cb);
2864   zNeededCollation[0] = 0;
2865   if( sqlite3TestErrCode(interp, db, rc) ) return TCL_ERROR;
2866   return TCL_OK;
2867 
2868 bad_args:
2869   Tcl_WrongNumArgs(interp, 1, objv, "DB");
2870   return TCL_ERROR;
2871 }
2872 
2873 /*
2874 ** tclcmd:   add_alignment_test_collations  DB
2875 **
2876 ** Add two new collating sequences to the database DB
2877 **
2878 **     utf16_aligned
2879 **     utf16_unaligned
2880 **
2881 ** Both collating sequences use the same sort order as BINARY.
2882 ** The only difference is that the utf16_aligned collating
2883 ** sequence is declared with the SQLITE_UTF16_ALIGNED flag.
2884 ** Both collating functions increment the unaligned utf16 counter
2885 ** whenever they see a string that begins on an odd byte boundary.
2886 */
2887 static int unaligned_string_counter = 0;
2888 static int alignmentCollFunc(
2889   void *NotUsed,
2890   int nKey1, const void *pKey1,
2891   int nKey2, const void *pKey2
2892 ){
2893   int rc, n;
2894   n = nKey1<nKey2 ? nKey1 : nKey2;
2895   if( nKey1>0 && 1==(1&(SQLITE_PTR_TO_INT(pKey1))) ) unaligned_string_counter++;
2896   if( nKey2>0 && 1==(1&(SQLITE_PTR_TO_INT(pKey2))) ) unaligned_string_counter++;
2897   rc = memcmp(pKey1, pKey2, n);
2898   if( rc==0 ){
2899     rc = nKey1 - nKey2;
2900   }
2901   return rc;
2902 }
2903 static int add_alignment_test_collations(
2904   void * clientData,
2905   Tcl_Interp *interp,
2906   int objc,
2907   Tcl_Obj *CONST objv[]
2908 ){
2909   sqlite3 *db;
2910   if( objc>=2 ){
2911     if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
2912     sqlite3_create_collation(db, "utf16_unaligned", SQLITE_UTF16,
2913         0, alignmentCollFunc);
2914     sqlite3_create_collation(db, "utf16_aligned", SQLITE_UTF16_ALIGNED,
2915         0, alignmentCollFunc);
2916   }
2917   return SQLITE_OK;
2918 }
2919 #endif /* !defined(SQLITE_OMIT_UTF16) */
2920 
2921 /*
2922 ** Usage: add_test_function <db ptr> <utf8> <utf16le> <utf16be>
2923 **
2924 ** This function is used to test that SQLite selects the correct user
2925 ** function callback when multiple versions (for different text encodings)
2926 ** are available.
2927 **
2928 ** Calling this routine registers up to three versions of the user function
2929 ** "test_function" with database handle <db>.  If the second argument is
2930 ** true, then a version of test_function is registered for UTF-8, if the
2931 ** third is true, a version is registered for UTF-16le, if the fourth is
2932 ** true, a UTF-16be version is available.  Previous versions of
2933 ** test_function are deleted.
2934 **
2935 ** The user function is implemented by calling the following TCL script:
2936 **
2937 **   "test_function <enc> <arg>"
2938 **
2939 ** Where <enc> is one of UTF-8, UTF-16LE or UTF16BE, and <arg> is the
2940 ** single argument passed to the SQL function. The value returned by
2941 ** the TCL script is used as the return value of the SQL function. It
2942 ** is passed to SQLite using UTF-16BE for a UTF-8 test_function(), UTF-8
2943 ** for a UTF-16LE test_function(), and UTF-16LE for an implementation that
2944 ** prefers UTF-16BE.
2945 */
2946 #ifndef SQLITE_OMIT_UTF16
2947 static void test_function_utf8(
2948   sqlite3_context *pCtx,
2949   int nArg,
2950   sqlite3_value **argv
2951 ){
2952   Tcl_Interp *interp;
2953   Tcl_Obj *pX;
2954   sqlite3_value *pVal;
2955   interp = (Tcl_Interp *)sqlite3_user_data(pCtx);
2956   pX = Tcl_NewStringObj("test_function", -1);
2957   Tcl_IncrRefCount(pX);
2958   Tcl_ListObjAppendElement(interp, pX, Tcl_NewStringObj("UTF-8", -1));
2959   Tcl_ListObjAppendElement(interp, pX,
2960       Tcl_NewStringObj((char*)sqlite3_value_text(argv[0]), -1));
2961   Tcl_EvalObjEx(interp, pX, 0);
2962   Tcl_DecrRefCount(pX);
2963   sqlite3_result_text(pCtx, Tcl_GetStringResult(interp), -1, SQLITE_TRANSIENT);
2964   pVal = sqlite3ValueNew(0);
2965   sqlite3ValueSetStr(pVal, -1, Tcl_GetStringResult(interp),
2966       SQLITE_UTF8, SQLITE_STATIC);
2967   sqlite3_result_text16be(pCtx, sqlite3_value_text16be(pVal),
2968       -1, SQLITE_TRANSIENT);
2969   sqlite3ValueFree(pVal);
2970 }
2971 static void test_function_utf16le(
2972   sqlite3_context *pCtx,
2973   int nArg,
2974   sqlite3_value **argv
2975 ){
2976   Tcl_Interp *interp;
2977   Tcl_Obj *pX;
2978   sqlite3_value *pVal;
2979   interp = (Tcl_Interp *)sqlite3_user_data(pCtx);
2980   pX = Tcl_NewStringObj("test_function", -1);
2981   Tcl_IncrRefCount(pX);
2982   Tcl_ListObjAppendElement(interp, pX, Tcl_NewStringObj("UTF-16LE", -1));
2983   Tcl_ListObjAppendElement(interp, pX,
2984       Tcl_NewStringObj((char*)sqlite3_value_text(argv[0]), -1));
2985   Tcl_EvalObjEx(interp, pX, 0);
2986   Tcl_DecrRefCount(pX);
2987   pVal = sqlite3ValueNew(0);
2988   sqlite3ValueSetStr(pVal, -1, Tcl_GetStringResult(interp),
2989       SQLITE_UTF8, SQLITE_STATIC);
2990   sqlite3_result_text(pCtx,(char*)sqlite3_value_text(pVal),-1,SQLITE_TRANSIENT);
2991   sqlite3ValueFree(pVal);
2992 }
2993 static void test_function_utf16be(
2994   sqlite3_context *pCtx,
2995   int nArg,
2996   sqlite3_value **argv
2997 ){
2998   Tcl_Interp *interp;
2999   Tcl_Obj *pX;
3000   sqlite3_value *pVal;
3001   interp = (Tcl_Interp *)sqlite3_user_data(pCtx);
3002   pX = Tcl_NewStringObj("test_function", -1);
3003   Tcl_IncrRefCount(pX);
3004   Tcl_ListObjAppendElement(interp, pX, Tcl_NewStringObj("UTF-16BE", -1));
3005   Tcl_ListObjAppendElement(interp, pX,
3006       Tcl_NewStringObj((char*)sqlite3_value_text(argv[0]), -1));
3007   Tcl_EvalObjEx(interp, pX, 0);
3008   Tcl_DecrRefCount(pX);
3009   pVal = sqlite3ValueNew(0);
3010   sqlite3ValueSetStr(pVal, -1, Tcl_GetStringResult(interp),
3011       SQLITE_UTF8, SQLITE_STATIC);
3012   sqlite3_result_text16(pCtx, sqlite3_value_text16le(pVal),
3013       -1, SQLITE_TRANSIENT);
3014   sqlite3_result_text16be(pCtx, sqlite3_value_text16le(pVal),
3015       -1, SQLITE_TRANSIENT);
3016   sqlite3_result_text16le(pCtx, sqlite3_value_text16le(pVal),
3017       -1, SQLITE_TRANSIENT);
3018   sqlite3ValueFree(pVal);
3019 }
3020 #endif /* SQLITE_OMIT_UTF16 */
3021 static int test_function(
3022   void * clientData,
3023   Tcl_Interp *interp,
3024   int objc,
3025   Tcl_Obj *CONST objv[]
3026 ){
3027 #ifndef SQLITE_OMIT_UTF16
3028   sqlite3 *db;
3029   int val;
3030 
3031   if( objc!=5 ) goto bad_args;
3032   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
3033 
3034   if( TCL_OK!=Tcl_GetBooleanFromObj(interp, objv[2], &val) ) return TCL_ERROR;
3035   if( val ){
3036     sqlite3_create_function(db, "test_function", 1, SQLITE_UTF8,
3037         interp, test_function_utf8, 0, 0);
3038   }
3039   if( TCL_OK!=Tcl_GetBooleanFromObj(interp, objv[3], &val) ) return TCL_ERROR;
3040   if( val ){
3041     sqlite3_create_function(db, "test_function", 1, SQLITE_UTF16LE,
3042         interp, test_function_utf16le, 0, 0);
3043   }
3044   if( TCL_OK!=Tcl_GetBooleanFromObj(interp, objv[4], &val) ) return TCL_ERROR;
3045   if( val ){
3046     sqlite3_create_function(db, "test_function", 1, SQLITE_UTF16BE,
3047         interp, test_function_utf16be, 0, 0);
3048   }
3049 
3050   return TCL_OK;
3051 bad_args:
3052   Tcl_AppendResult(interp, "wrong # args: should be \"",
3053       Tcl_GetStringFromObj(objv[0], 0), " <DB> <utf8> <utf16le> <utf16be>", 0);
3054 #endif /* SQLITE_OMIT_UTF16 */
3055   return TCL_ERROR;
3056 }
3057 
3058 /*
3059 ** Usage:         sqlite3_test_errstr <err code>
3060 **
3061 ** Test that the english language string equivalents for sqlite error codes
3062 ** are sane. The parameter is an integer representing an sqlite error code.
3063 ** The result is a list of two elements, the string representation of the
3064 ** error code and the english language explanation.
3065 */
3066 static int test_errstr(
3067   void * clientData,
3068   Tcl_Interp *interp,
3069   int objc,
3070   Tcl_Obj *CONST objv[]
3071 ){
3072   char *zCode;
3073   int i;
3074   if( objc!=1 ){
3075     Tcl_WrongNumArgs(interp, 1, objv, "<error code>");
3076   }
3077 
3078   zCode = Tcl_GetString(objv[1]);
3079   for(i=0; i<200; i++){
3080     if( 0==strcmp(t1ErrorName(i), zCode) ) break;
3081   }
3082   Tcl_SetResult(interp, (char *)sqlite3ErrStr(i), 0);
3083   return TCL_OK;
3084 }
3085 
3086 /*
3087 ** Usage:    breakpoint
3088 **
3089 ** This routine exists for one purpose - to provide a place to put a
3090 ** breakpoint with GDB that can be triggered using TCL code.  The use
3091 ** for this is when a particular test fails on (say) the 1485th iteration.
3092 ** In the TCL test script, we can add code like this:
3093 **
3094 **     if {$i==1485} breakpoint
3095 **
3096 ** Then run testfixture in the debugger and wait for the breakpoint to
3097 ** fire.  Then additional breakpoints can be set to trace down the bug.
3098 */
3099 static int test_breakpoint(
3100   void *NotUsed,
3101   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
3102   int argc,              /* Number of arguments */
3103   char **argv            /* Text of each argument */
3104 ){
3105   return TCL_OK;         /* Do nothing */
3106 }
3107 
3108 /*
3109 ** Usage:   sqlite3_bind_zeroblob  STMT IDX N
3110 **
3111 ** Test the sqlite3_bind_zeroblob interface.  STMT is a prepared statement.
3112 ** IDX is the index of a wildcard in the prepared statement.  This command
3113 ** binds a N-byte zero-filled BLOB to the wildcard.
3114 */
3115 static int test_bind_zeroblob(
3116   void * clientData,
3117   Tcl_Interp *interp,
3118   int objc,
3119   Tcl_Obj *CONST objv[]
3120 ){
3121   sqlite3_stmt *pStmt;
3122   int idx;
3123   int n;
3124   int rc;
3125 
3126   if( objc!=4 ){
3127     Tcl_WrongNumArgs(interp, 1, objv, "STMT IDX N");
3128     return TCL_ERROR;
3129   }
3130 
3131   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
3132   if( Tcl_GetIntFromObj(interp, objv[2], &idx) ) return TCL_ERROR;
3133   if( Tcl_GetIntFromObj(interp, objv[3], &n) ) return TCL_ERROR;
3134 
3135   rc = sqlite3_bind_zeroblob(pStmt, idx, n);
3136   if( sqlite3TestErrCode(interp, StmtToDb(pStmt), rc) ) return TCL_ERROR;
3137   if( rc!=SQLITE_OK ){
3138     return TCL_ERROR;
3139   }
3140 
3141   return TCL_OK;
3142 }
3143 
3144 /*
3145 ** Usage:   sqlite3_bind_zeroblob64  STMT IDX N
3146 **
3147 ** Test the sqlite3_bind_zeroblob64 interface.  STMT is a prepared statement.
3148 ** IDX is the index of a wildcard in the prepared statement.  This command
3149 ** binds a N-byte zero-filled BLOB to the wildcard.
3150 */
3151 static int test_bind_zeroblob64(
3152   void * clientData,
3153   Tcl_Interp *interp,
3154   int objc,
3155   Tcl_Obj *CONST objv[]
3156 ){
3157   sqlite3_stmt *pStmt;
3158   int idx;
3159   Tcl_WideInt n;
3160   int rc;
3161 
3162   if( objc!=4 ){
3163     Tcl_WrongNumArgs(interp, 1, objv, "STMT IDX N");
3164     return TCL_ERROR;
3165   }
3166 
3167   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
3168   if( Tcl_GetIntFromObj(interp, objv[2], &idx) ) return TCL_ERROR;
3169   if( Tcl_GetWideIntFromObj(interp, objv[3], &n) ) return TCL_ERROR;
3170 
3171   rc = sqlite3_bind_zeroblob64(pStmt, idx, n);
3172   if( sqlite3TestErrCode(interp, StmtToDb(pStmt), rc) ) return TCL_ERROR;
3173   if( rc!=SQLITE_OK ){
3174     Tcl_AppendResult(interp, sqlite3ErrName(rc), 0);
3175     return TCL_ERROR;
3176   }
3177 
3178   return TCL_OK;
3179 }
3180 
3181 /*
3182 ** Usage:   sqlite3_bind_int  STMT N VALUE
3183 **
3184 ** Test the sqlite3_bind_int interface.  STMT is a prepared statement.
3185 ** N is the index of a wildcard in the prepared statement.  This command
3186 ** binds a 32-bit integer VALUE to that wildcard.
3187 */
3188 static int test_bind_int(
3189   void * clientData,
3190   Tcl_Interp *interp,
3191   int objc,
3192   Tcl_Obj *CONST objv[]
3193 ){
3194   sqlite3_stmt *pStmt;
3195   int idx;
3196   int value;
3197   int rc;
3198 
3199   if( objc!=4 ){
3200     Tcl_AppendResult(interp, "wrong # args: should be \"",
3201         Tcl_GetStringFromObj(objv[0], 0), " STMT N VALUE", 0);
3202     return TCL_ERROR;
3203   }
3204 
3205   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
3206   if( Tcl_GetIntFromObj(interp, objv[2], &idx) ) return TCL_ERROR;
3207   if( Tcl_GetIntFromObj(interp, objv[3], &value) ) return TCL_ERROR;
3208 
3209   rc = sqlite3_bind_int(pStmt, idx, value);
3210   if( sqlite3TestErrCode(interp, StmtToDb(pStmt), rc) ) return TCL_ERROR;
3211   if( rc!=SQLITE_OK ){
3212     return TCL_ERROR;
3213   }
3214 
3215   return TCL_OK;
3216 }
3217 
3218 
3219 /*
3220 ** Usage:   sqlite3_bind_int64  STMT N VALUE
3221 **
3222 ** Test the sqlite3_bind_int64 interface.  STMT is a prepared statement.
3223 ** N is the index of a wildcard in the prepared statement.  This command
3224 ** binds a 64-bit integer VALUE to that wildcard.
3225 */
3226 static int test_bind_int64(
3227   void * clientData,
3228   Tcl_Interp *interp,
3229   int objc,
3230   Tcl_Obj *CONST objv[]
3231 ){
3232   sqlite3_stmt *pStmt;
3233   int idx;
3234   Tcl_WideInt value;
3235   int rc;
3236 
3237   if( objc!=4 ){
3238     Tcl_AppendResult(interp, "wrong # args: should be \"",
3239         Tcl_GetStringFromObj(objv[0], 0), " STMT N VALUE", 0);
3240     return TCL_ERROR;
3241   }
3242 
3243   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
3244   if( Tcl_GetIntFromObj(interp, objv[2], &idx) ) return TCL_ERROR;
3245   if( Tcl_GetWideIntFromObj(interp, objv[3], &value) ) return TCL_ERROR;
3246 
3247   rc = sqlite3_bind_int64(pStmt, idx, value);
3248   if( sqlite3TestErrCode(interp, StmtToDb(pStmt), rc) ) return TCL_ERROR;
3249   if( rc!=SQLITE_OK ){
3250     return TCL_ERROR;
3251   }
3252 
3253   return TCL_OK;
3254 }
3255 
3256 
3257 /*
3258 ** Usage:   sqlite3_bind_double  STMT N VALUE
3259 **
3260 ** Test the sqlite3_bind_double interface.  STMT is a prepared statement.
3261 ** N is the index of a wildcard in the prepared statement.  This command
3262 ** binds a 64-bit integer VALUE to that wildcard.
3263 */
3264 static int test_bind_double(
3265   void * clientData,
3266   Tcl_Interp *interp,
3267   int objc,
3268   Tcl_Obj *CONST objv[]
3269 ){
3270   sqlite3_stmt *pStmt;
3271   int idx;
3272   double value = 0;
3273   int rc;
3274   const char *zVal;
3275   int i;
3276   static const struct {
3277     const char *zName;     /* Name of the special floating point value */
3278     unsigned int iUpper;   /* Upper 32 bits */
3279     unsigned int iLower;   /* Lower 32 bits */
3280   } aSpecialFp[] = {
3281     {  "NaN",      0x7fffffff, 0xffffffff },
3282     {  "SNaN",     0x7ff7ffff, 0xffffffff },
3283     {  "-NaN",     0xffffffff, 0xffffffff },
3284     {  "-SNaN",    0xfff7ffff, 0xffffffff },
3285     {  "+Inf",     0x7ff00000, 0x00000000 },
3286     {  "-Inf",     0xfff00000, 0x00000000 },
3287     {  "Epsilon",  0x00000000, 0x00000001 },
3288     {  "-Epsilon", 0x80000000, 0x00000001 },
3289     {  "NaN0",     0x7ff80000, 0x00000000 },
3290     {  "-NaN0",    0xfff80000, 0x00000000 },
3291   };
3292 
3293   if( objc!=4 ){
3294     Tcl_AppendResult(interp, "wrong # args: should be \"",
3295         Tcl_GetStringFromObj(objv[0], 0), " STMT N VALUE", 0);
3296     return TCL_ERROR;
3297   }
3298 
3299   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
3300   if( Tcl_GetIntFromObj(interp, objv[2], &idx) ) return TCL_ERROR;
3301 
3302   /* Intercept the string "NaN" and generate a NaN value for it.
3303   ** All other strings are passed through to Tcl_GetDoubleFromObj().
3304   ** Tcl_GetDoubleFromObj() should understand "NaN" but some versions
3305   ** contain a bug.
3306   */
3307   zVal = Tcl_GetString(objv[3]);
3308   for(i=0; i<sizeof(aSpecialFp)/sizeof(aSpecialFp[0]); i++){
3309     if( strcmp(aSpecialFp[i].zName, zVal)==0 ){
3310       sqlite3_uint64 x;
3311       x = aSpecialFp[i].iUpper;
3312       x <<= 32;
3313       x |= aSpecialFp[i].iLower;
3314       assert( sizeof(value)==8 );
3315       assert( sizeof(x)==8 );
3316       memcpy(&value, &x, 8);
3317       break;
3318     }
3319   }
3320   if( i>=sizeof(aSpecialFp)/sizeof(aSpecialFp[0]) &&
3321          Tcl_GetDoubleFromObj(interp, objv[3], &value) ){
3322     return TCL_ERROR;
3323   }
3324   rc = sqlite3_bind_double(pStmt, idx, value);
3325   if( sqlite3TestErrCode(interp, StmtToDb(pStmt), rc) ) return TCL_ERROR;
3326   if( rc!=SQLITE_OK ){
3327     return TCL_ERROR;
3328   }
3329 
3330   return TCL_OK;
3331 }
3332 
3333 /*
3334 ** Usage:   sqlite3_bind_null  STMT N
3335 **
3336 ** Test the sqlite3_bind_null interface.  STMT is a prepared statement.
3337 ** N is the index of a wildcard in the prepared statement.  This command
3338 ** binds a NULL to the wildcard.
3339 */
3340 static int test_bind_null(
3341   void * clientData,
3342   Tcl_Interp *interp,
3343   int objc,
3344   Tcl_Obj *CONST objv[]
3345 ){
3346   sqlite3_stmt *pStmt;
3347   int idx;
3348   int rc;
3349 
3350   if( objc!=3 ){
3351     Tcl_AppendResult(interp, "wrong # args: should be \"",
3352         Tcl_GetStringFromObj(objv[0], 0), " STMT N", 0);
3353     return TCL_ERROR;
3354   }
3355 
3356   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
3357   if( Tcl_GetIntFromObj(interp, objv[2], &idx) ) return TCL_ERROR;
3358 
3359   rc = sqlite3_bind_null(pStmt, idx);
3360   if( sqlite3TestErrCode(interp, StmtToDb(pStmt), rc) ) return TCL_ERROR;
3361   if( rc!=SQLITE_OK ){
3362     return TCL_ERROR;
3363   }
3364 
3365   return TCL_OK;
3366 }
3367 
3368 /*
3369 ** Usage:   sqlite3_bind_text  STMT N STRING BYTES
3370 **
3371 ** Test the sqlite3_bind_text interface.  STMT is a prepared statement.
3372 ** N is the index of a wildcard in the prepared statement.  This command
3373 ** binds a UTF-8 string STRING to the wildcard.  The string is BYTES bytes
3374 ** long.
3375 */
3376 static int test_bind_text(
3377   void * clientData,
3378   Tcl_Interp *interp,
3379   int objc,
3380   Tcl_Obj *CONST objv[]
3381 ){
3382   sqlite3_stmt *pStmt;
3383   int idx;
3384   int bytes;
3385   char *value;
3386   int rc;
3387 
3388   if( objc!=5 ){
3389     Tcl_AppendResult(interp, "wrong # args: should be \"",
3390         Tcl_GetStringFromObj(objv[0], 0), " STMT N VALUE BYTES", 0);
3391     return TCL_ERROR;
3392   }
3393 
3394   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
3395   if( Tcl_GetIntFromObj(interp, objv[2], &idx) ) return TCL_ERROR;
3396   value = (char*)Tcl_GetByteArrayFromObj(objv[3], &bytes);
3397   if( Tcl_GetIntFromObj(interp, objv[4], &bytes) ) return TCL_ERROR;
3398 
3399   rc = sqlite3_bind_text(pStmt, idx, value, bytes, SQLITE_TRANSIENT);
3400   if( sqlite3TestErrCode(interp, StmtToDb(pStmt), rc) ) return TCL_ERROR;
3401   if( rc!=SQLITE_OK ){
3402     Tcl_AppendResult(interp, sqlite3ErrName(rc), 0);
3403     return TCL_ERROR;
3404   }
3405 
3406   return TCL_OK;
3407 }
3408 
3409 /*
3410 ** Usage:   sqlite3_bind_text16 ?-static? STMT N STRING BYTES
3411 **
3412 ** Test the sqlite3_bind_text16 interface.  STMT is a prepared statement.
3413 ** N is the index of a wildcard in the prepared statement.  This command
3414 ** binds a UTF-16 string STRING to the wildcard.  The string is BYTES bytes
3415 ** long.
3416 */
3417 static int test_bind_text16(
3418   void * clientData,
3419   Tcl_Interp *interp,
3420   int objc,
3421   Tcl_Obj *CONST objv[]
3422 ){
3423 #ifndef SQLITE_OMIT_UTF16
3424   sqlite3_stmt *pStmt;
3425   int idx;
3426   int bytes;
3427   char *value;
3428   int rc;
3429 
3430   void (*xDel)(void*) = (objc==6?SQLITE_STATIC:SQLITE_TRANSIENT);
3431   Tcl_Obj *oStmt    = objv[objc-4];
3432   Tcl_Obj *oN       = objv[objc-3];
3433   Tcl_Obj *oString  = objv[objc-2];
3434   Tcl_Obj *oBytes   = objv[objc-1];
3435 
3436   if( objc!=5 && objc!=6){
3437     Tcl_AppendResult(interp, "wrong # args: should be \"",
3438         Tcl_GetStringFromObj(objv[0], 0), " STMT N VALUE BYTES", 0);
3439     return TCL_ERROR;
3440   }
3441 
3442   if( getStmtPointer(interp, Tcl_GetString(oStmt), &pStmt) ) return TCL_ERROR;
3443   if( Tcl_GetIntFromObj(interp, oN, &idx) ) return TCL_ERROR;
3444   value = (char*)Tcl_GetByteArrayFromObj(oString, 0);
3445   if( Tcl_GetIntFromObj(interp, oBytes, &bytes) ) return TCL_ERROR;
3446 
3447   rc = sqlite3_bind_text16(pStmt, idx, (void *)value, bytes, xDel);
3448   if( sqlite3TestErrCode(interp, StmtToDb(pStmt), rc) ) return TCL_ERROR;
3449   if( rc!=SQLITE_OK ){
3450     Tcl_AppendResult(interp, sqlite3ErrName(rc), 0);
3451     return TCL_ERROR;
3452   }
3453 
3454 #endif /* SQLITE_OMIT_UTF16 */
3455   return TCL_OK;
3456 }
3457 
3458 /*
3459 ** Usage:   sqlite3_bind_blob ?-static? STMT N DATA BYTES
3460 **
3461 ** Test the sqlite3_bind_blob interface.  STMT is a prepared statement.
3462 ** N is the index of a wildcard in the prepared statement.  This command
3463 ** binds a BLOB to the wildcard.  The BLOB is BYTES bytes in size.
3464 */
3465 static int test_bind_blob(
3466   void * clientData,
3467   Tcl_Interp *interp,
3468   int objc,
3469   Tcl_Obj *CONST objv[]
3470 ){
3471   sqlite3_stmt *pStmt;
3472   int idx;
3473   int bytes;
3474   char *value;
3475   int rc;
3476   sqlite3_destructor_type xDestructor = SQLITE_TRANSIENT;
3477 
3478   if( objc!=5 && objc!=6 ){
3479     Tcl_AppendResult(interp, "wrong # args: should be \"",
3480         Tcl_GetStringFromObj(objv[0], 0), " STMT N DATA BYTES", 0);
3481     return TCL_ERROR;
3482   }
3483 
3484   if( objc==6 ){
3485     xDestructor = SQLITE_STATIC;
3486     objv++;
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   value = Tcl_GetString(objv[3]);
3492   if( Tcl_GetIntFromObj(interp, objv[4], &bytes) ) return TCL_ERROR;
3493 
3494   rc = sqlite3_bind_blob(pStmt, idx, value, bytes, xDestructor);
3495   if( sqlite3TestErrCode(interp, StmtToDb(pStmt), rc) ) return TCL_ERROR;
3496   if( rc!=SQLITE_OK ){
3497     return TCL_ERROR;
3498   }
3499 
3500   return TCL_OK;
3501 }
3502 
3503 /*
3504 ** Usage:   sqlite3_bind_parameter_count  STMT
3505 **
3506 ** Return the number of wildcards in the given statement.
3507 */
3508 static int test_bind_parameter_count(
3509   void * clientData,
3510   Tcl_Interp *interp,
3511   int objc,
3512   Tcl_Obj *CONST objv[]
3513 ){
3514   sqlite3_stmt *pStmt;
3515 
3516   if( objc!=2 ){
3517     Tcl_WrongNumArgs(interp, 1, objv, "STMT");
3518     return TCL_ERROR;
3519   }
3520   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
3521   Tcl_SetObjResult(interp, Tcl_NewIntObj(sqlite3_bind_parameter_count(pStmt)));
3522   return TCL_OK;
3523 }
3524 
3525 /*
3526 ** Usage:   sqlite3_bind_parameter_name  STMT  N
3527 **
3528 ** Return the name of the Nth wildcard.  The first wildcard is 1.
3529 ** An empty string is returned if N is out of range or if the wildcard
3530 ** is nameless.
3531 */
3532 static int test_bind_parameter_name(
3533   void * clientData,
3534   Tcl_Interp *interp,
3535   int objc,
3536   Tcl_Obj *CONST objv[]
3537 ){
3538   sqlite3_stmt *pStmt;
3539   int i;
3540 
3541   if( objc!=3 ){
3542     Tcl_WrongNumArgs(interp, 1, objv, "STMT N");
3543     return TCL_ERROR;
3544   }
3545   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
3546   if( Tcl_GetIntFromObj(interp, objv[2], &i) ) return TCL_ERROR;
3547   Tcl_SetObjResult(interp,
3548      Tcl_NewStringObj(sqlite3_bind_parameter_name(pStmt,i),-1)
3549   );
3550   return TCL_OK;
3551 }
3552 
3553 /*
3554 ** Usage:   sqlite3_bind_parameter_index  STMT  NAME
3555 **
3556 ** Return the index of the wildcard called NAME.  Return 0 if there is
3557 ** no such wildcard.
3558 */
3559 static int test_bind_parameter_index(
3560   void * clientData,
3561   Tcl_Interp *interp,
3562   int objc,
3563   Tcl_Obj *CONST objv[]
3564 ){
3565   sqlite3_stmt *pStmt;
3566 
3567   if( objc!=3 ){
3568     Tcl_WrongNumArgs(interp, 1, objv, "STMT NAME");
3569     return TCL_ERROR;
3570   }
3571   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
3572   Tcl_SetObjResult(interp,
3573      Tcl_NewIntObj(
3574        sqlite3_bind_parameter_index(pStmt,Tcl_GetString(objv[2]))
3575      )
3576   );
3577   return TCL_OK;
3578 }
3579 
3580 /*
3581 ** Usage:   sqlite3_clear_bindings STMT
3582 **
3583 */
3584 static int test_clear_bindings(
3585   void * clientData,
3586   Tcl_Interp *interp,
3587   int objc,
3588   Tcl_Obj *CONST objv[]
3589 ){
3590   sqlite3_stmt *pStmt;
3591 
3592   if( objc!=2 ){
3593     Tcl_WrongNumArgs(interp, 1, objv, "STMT");
3594     return TCL_ERROR;
3595   }
3596   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
3597   Tcl_SetObjResult(interp, Tcl_NewIntObj(sqlite3_clear_bindings(pStmt)));
3598   return TCL_OK;
3599 }
3600 
3601 /*
3602 ** Usage:   sqlite3_sleep MILLISECONDS
3603 */
3604 static int test_sleep(
3605   void * clientData,
3606   Tcl_Interp *interp,
3607   int objc,
3608   Tcl_Obj *CONST objv[]
3609 ){
3610   int ms;
3611 
3612   if( objc!=2 ){
3613     Tcl_WrongNumArgs(interp, 1, objv, "MILLISECONDS");
3614     return TCL_ERROR;
3615   }
3616   if( Tcl_GetIntFromObj(interp, objv[1], &ms) ){
3617     return TCL_ERROR;
3618   }
3619   Tcl_SetObjResult(interp, Tcl_NewIntObj(sqlite3_sleep(ms)));
3620   return TCL_OK;
3621 }
3622 
3623 /*
3624 ** Usage: sqlite3_extended_errcode DB
3625 **
3626 ** Return the string representation of the most recent sqlite3_* API
3627 ** error code. e.g. "SQLITE_ERROR".
3628 */
3629 static int test_ex_errcode(
3630   void * clientData,
3631   Tcl_Interp *interp,
3632   int objc,
3633   Tcl_Obj *CONST objv[]
3634 ){
3635   sqlite3 *db;
3636   int rc;
3637 
3638   if( objc!=2 ){
3639     Tcl_AppendResult(interp, "wrong # args: should be \"",
3640        Tcl_GetString(objv[0]), " DB", 0);
3641     return TCL_ERROR;
3642   }
3643   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
3644   rc = sqlite3_extended_errcode(db);
3645   Tcl_AppendResult(interp, (char *)t1ErrorName(rc), 0);
3646   return TCL_OK;
3647 }
3648 
3649 
3650 /*
3651 ** Usage: sqlite3_errcode DB
3652 **
3653 ** Return the string representation of the most recent sqlite3_* API
3654 ** error code. e.g. "SQLITE_ERROR".
3655 */
3656 static int test_errcode(
3657   void * clientData,
3658   Tcl_Interp *interp,
3659   int objc,
3660   Tcl_Obj *CONST objv[]
3661 ){
3662   sqlite3 *db;
3663   int rc;
3664 
3665   if( objc!=2 ){
3666     Tcl_AppendResult(interp, "wrong # args: should be \"",
3667        Tcl_GetString(objv[0]), " DB", 0);
3668     return TCL_ERROR;
3669   }
3670   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
3671   rc = sqlite3_errcode(db);
3672   Tcl_AppendResult(interp, (char *)t1ErrorName(rc), 0);
3673   return TCL_OK;
3674 }
3675 
3676 /*
3677 ** Usage:   sqlite3_errmsg DB
3678 **
3679 ** Returns the UTF-8 representation of the error message string for the
3680 ** most recent sqlite3_* API call.
3681 */
3682 static int test_errmsg(
3683   void * clientData,
3684   Tcl_Interp *interp,
3685   int objc,
3686   Tcl_Obj *CONST objv[]
3687 ){
3688   sqlite3 *db;
3689   const char *zErr;
3690 
3691   if( objc!=2 ){
3692     Tcl_AppendResult(interp, "wrong # args: should be \"",
3693        Tcl_GetString(objv[0]), " DB", 0);
3694     return TCL_ERROR;
3695   }
3696   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
3697 
3698   zErr = sqlite3_errmsg(db);
3699   Tcl_SetObjResult(interp, Tcl_NewStringObj(zErr, -1));
3700   return TCL_OK;
3701 }
3702 
3703 /*
3704 ** Usage:   test_errmsg16 DB
3705 **
3706 ** Returns the UTF-16 representation of the error message string for the
3707 ** most recent sqlite3_* API call. This is a byte array object at the TCL
3708 ** level, and it includes the 0x00 0x00 terminator bytes at the end of the
3709 ** UTF-16 string.
3710 */
3711 static int test_errmsg16(
3712   void * clientData,
3713   Tcl_Interp *interp,
3714   int objc,
3715   Tcl_Obj *CONST objv[]
3716 ){
3717 #ifndef SQLITE_OMIT_UTF16
3718   sqlite3 *db;
3719   const void *zErr;
3720   const char *z;
3721   int bytes = 0;
3722 
3723   if( objc!=2 ){
3724     Tcl_AppendResult(interp, "wrong # args: should be \"",
3725        Tcl_GetString(objv[0]), " DB", 0);
3726     return TCL_ERROR;
3727   }
3728   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
3729 
3730   zErr = sqlite3_errmsg16(db);
3731   if( zErr ){
3732     z = zErr;
3733     for(bytes=0; z[bytes] || z[bytes+1]; bytes+=2){}
3734   }
3735   Tcl_SetObjResult(interp, Tcl_NewByteArrayObj(zErr, bytes));
3736 #endif /* SQLITE_OMIT_UTF16 */
3737   return TCL_OK;
3738 }
3739 
3740 /*
3741 ** Usage: sqlite3_prepare DB sql bytes ?tailvar?
3742 **
3743 ** Compile up to <bytes> bytes of the supplied SQL string <sql> using
3744 ** database handle <DB>. The parameter <tailval> is the name of a global
3745 ** variable that is set to the unused portion of <sql> (if any). A
3746 ** STMT handle is returned.
3747 */
3748 static int test_prepare(
3749   void * clientData,
3750   Tcl_Interp *interp,
3751   int objc,
3752   Tcl_Obj *CONST objv[]
3753 ){
3754   sqlite3 *db;
3755   const char *zSql;
3756   int bytes;
3757   const char *zTail = 0;
3758   sqlite3_stmt *pStmt = 0;
3759   char zBuf[50];
3760   int rc;
3761 
3762   if( objc!=5 && objc!=4 ){
3763     Tcl_AppendResult(interp, "wrong # args: should be \"",
3764        Tcl_GetString(objv[0]), " DB sql bytes ?tailvar?", 0);
3765     return TCL_ERROR;
3766   }
3767   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
3768   zSql = Tcl_GetString(objv[2]);
3769   if( Tcl_GetIntFromObj(interp, objv[3], &bytes) ) return TCL_ERROR;
3770 
3771   rc = sqlite3_prepare(db, zSql, bytes, &pStmt, objc>=5 ? &zTail : 0);
3772   Tcl_ResetResult(interp);
3773   if( sqlite3TestErrCode(interp, db, rc) ) return TCL_ERROR;
3774   if( zTail && objc>=5 ){
3775     if( bytes>=0 ){
3776       bytes = bytes - (int)(zTail-zSql);
3777     }
3778     if( (int)strlen(zTail)<bytes ){
3779       bytes = (int)strlen(zTail);
3780     }
3781     Tcl_ObjSetVar2(interp, objv[4], 0, Tcl_NewStringObj(zTail, bytes), 0);
3782   }
3783   if( rc!=SQLITE_OK ){
3784     assert( pStmt==0 );
3785     sqlite3_snprintf(sizeof(zBuf), zBuf, "(%d) ", rc);
3786     Tcl_AppendResult(interp, zBuf, sqlite3_errmsg(db), 0);
3787     return TCL_ERROR;
3788   }
3789 
3790   if( pStmt ){
3791     if( sqlite3TestMakePointerStr(interp, zBuf, pStmt) ) return TCL_ERROR;
3792     Tcl_AppendResult(interp, zBuf, 0);
3793   }
3794   return TCL_OK;
3795 }
3796 
3797 /*
3798 ** Usage: sqlite3_prepare_v2 DB sql bytes ?tailvar?
3799 **
3800 ** Compile up to <bytes> bytes of the supplied SQL string <sql> using
3801 ** database handle <DB>. The parameter <tailval> is the name of a global
3802 ** variable that is set to the unused portion of <sql> (if any). A
3803 ** STMT handle is returned.
3804 */
3805 static int test_prepare_v2(
3806   void * clientData,
3807   Tcl_Interp *interp,
3808   int objc,
3809   Tcl_Obj *CONST objv[]
3810 ){
3811   sqlite3 *db;
3812   const char *zSql;
3813   char *zCopy = 0;                /* malloc() copy of zSql */
3814   int bytes;
3815   const char *zTail = 0;
3816   sqlite3_stmt *pStmt = 0;
3817   char zBuf[50];
3818   int rc;
3819 
3820   if( objc!=5 && objc!=4 ){
3821     Tcl_AppendResult(interp, "wrong # args: should be \"",
3822        Tcl_GetString(objv[0]), " DB sql bytes tailvar", 0);
3823     return TCL_ERROR;
3824   }
3825   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
3826   zSql = Tcl_GetString(objv[2]);
3827   if( Tcl_GetIntFromObj(interp, objv[3], &bytes) ) return TCL_ERROR;
3828 
3829   /* Instead of using zSql directly, make a copy into a buffer obtained
3830   ** directly from malloc(). The idea is to make it easier for valgrind
3831   ** to spot buffer overreads.  */
3832   if( bytes>=0 ){
3833     zCopy = malloc(bytes);
3834     memcpy(zCopy, zSql, bytes);
3835   }else{
3836     int n = (int)strlen(zSql) + 1;
3837     zCopy = malloc(n);
3838     memcpy(zCopy, zSql, n);
3839   }
3840   rc = sqlite3_prepare_v2(db, zCopy, bytes, &pStmt, objc>=5 ? &zTail : 0);
3841   free(zCopy);
3842   zTail = &zSql[(zTail - zCopy)];
3843 
3844   assert(rc==SQLITE_OK || pStmt==0);
3845   Tcl_ResetResult(interp);
3846   if( sqlite3TestErrCode(interp, db, rc) ) return TCL_ERROR;
3847   if( rc==SQLITE_OK && zTail && objc>=5 ){
3848     if( bytes>=0 ){
3849       bytes = bytes - (int)(zTail-zSql);
3850     }
3851     Tcl_ObjSetVar2(interp, objv[4], 0, Tcl_NewStringObj(zTail, bytes), 0);
3852   }
3853   if( rc!=SQLITE_OK ){
3854     assert( pStmt==0 );
3855     sqlite3_snprintf(sizeof(zBuf), zBuf, "(%d) ", rc);
3856     Tcl_AppendResult(interp, zBuf, sqlite3_errmsg(db), 0);
3857     return TCL_ERROR;
3858   }
3859 
3860   if( pStmt ){
3861     if( sqlite3TestMakePointerStr(interp, zBuf, pStmt) ) return TCL_ERROR;
3862     Tcl_AppendResult(interp, zBuf, 0);
3863   }
3864   return TCL_OK;
3865 }
3866 
3867 /*
3868 ** Usage: sqlite3_prepare_tkt3134 DB
3869 **
3870 ** Generate a prepared statement for a zero-byte string as a test
3871 ** for ticket #3134.  The string should be preceded by a zero byte.
3872 */
3873 static int test_prepare_tkt3134(
3874   void * clientData,
3875   Tcl_Interp *interp,
3876   int objc,
3877   Tcl_Obj *CONST objv[]
3878 ){
3879   sqlite3 *db;
3880   static const char zSql[] = "\000SELECT 1";
3881   sqlite3_stmt *pStmt = 0;
3882   char zBuf[50];
3883   int rc;
3884 
3885   if( objc!=2 ){
3886     Tcl_AppendResult(interp, "wrong # args: should be \"",
3887        Tcl_GetString(objv[0]), " DB sql bytes tailvar", 0);
3888     return TCL_ERROR;
3889   }
3890   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
3891   rc = sqlite3_prepare_v2(db, &zSql[1], 0, &pStmt, 0);
3892   assert(rc==SQLITE_OK || pStmt==0);
3893   if( sqlite3TestErrCode(interp, db, rc) ) return TCL_ERROR;
3894   if( rc!=SQLITE_OK ){
3895     assert( pStmt==0 );
3896     sqlite3_snprintf(sizeof(zBuf), zBuf, "(%d) ", rc);
3897     Tcl_AppendResult(interp, zBuf, sqlite3_errmsg(db), 0);
3898     return TCL_ERROR;
3899   }
3900 
3901   if( pStmt ){
3902     if( sqlite3TestMakePointerStr(interp, zBuf, pStmt) ) return TCL_ERROR;
3903     Tcl_AppendResult(interp, zBuf, 0);
3904   }
3905   return TCL_OK;
3906 }
3907 
3908 /*
3909 ** Usage: sqlite3_prepare16 DB sql bytes tailvar
3910 **
3911 ** Compile up to <bytes> bytes of the supplied SQL string <sql> using
3912 ** database handle <DB>. The parameter <tailval> is the name of a global
3913 ** variable that is set to the unused portion of <sql> (if any). A
3914 ** STMT handle is returned.
3915 */
3916 static int test_prepare16(
3917   void * clientData,
3918   Tcl_Interp *interp,
3919   int objc,
3920   Tcl_Obj *CONST objv[]
3921 ){
3922 #ifndef SQLITE_OMIT_UTF16
3923   sqlite3 *db;
3924   const void *zSql;
3925   const void *zTail = 0;
3926   Tcl_Obj *pTail = 0;
3927   sqlite3_stmt *pStmt = 0;
3928   char zBuf[50];
3929   int rc;
3930   int bytes;                /* The integer specified as arg 3 */
3931   int objlen;               /* The byte-array length of arg 2 */
3932 
3933   if( objc!=5 && objc!=4 ){
3934     Tcl_AppendResult(interp, "wrong # args: should be \"",
3935        Tcl_GetString(objv[0]), " DB sql bytes ?tailvar?", 0);
3936     return TCL_ERROR;
3937   }
3938   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
3939   zSql = Tcl_GetByteArrayFromObj(objv[2], &objlen);
3940   if( Tcl_GetIntFromObj(interp, objv[3], &bytes) ) return TCL_ERROR;
3941 
3942   rc = sqlite3_prepare16(db, zSql, bytes, &pStmt, objc>=5 ? &zTail : 0);
3943   if( sqlite3TestErrCode(interp, db, rc) ) return TCL_ERROR;
3944   if( rc ){
3945     return TCL_ERROR;
3946   }
3947 
3948   if( objc>=5 ){
3949     if( zTail ){
3950       objlen = objlen - (int)((u8 *)zTail-(u8 *)zSql);
3951     }else{
3952       objlen = 0;
3953     }
3954     pTail = Tcl_NewByteArrayObj((u8 *)zTail, objlen);
3955     Tcl_IncrRefCount(pTail);
3956     Tcl_ObjSetVar2(interp, objv[4], 0, pTail, 0);
3957     Tcl_DecrRefCount(pTail);
3958   }
3959 
3960   if( pStmt ){
3961     if( sqlite3TestMakePointerStr(interp, zBuf, pStmt) ) return TCL_ERROR;
3962   }
3963   Tcl_AppendResult(interp, zBuf, 0);
3964 #endif /* SQLITE_OMIT_UTF16 */
3965   return TCL_OK;
3966 }
3967 
3968 /*
3969 ** Usage: sqlite3_prepare16_v2 DB sql bytes ?tailvar?
3970 **
3971 ** Compile up to <bytes> bytes of the supplied SQL string <sql> using
3972 ** database handle <DB>. The parameter <tailval> is the name of a global
3973 ** variable that is set to the unused portion of <sql> (if any). A
3974 ** STMT handle is returned.
3975 */
3976 static int test_prepare16_v2(
3977   void * clientData,
3978   Tcl_Interp *interp,
3979   int objc,
3980   Tcl_Obj *CONST objv[]
3981 ){
3982 #ifndef SQLITE_OMIT_UTF16
3983   sqlite3 *db;
3984   const void *zSql;
3985   const void *zTail = 0;
3986   Tcl_Obj *pTail = 0;
3987   sqlite3_stmt *pStmt = 0;
3988   char zBuf[50];
3989   int rc;
3990   int bytes;                /* The integer specified as arg 3 */
3991   int objlen;               /* The byte-array length of arg 2 */
3992 
3993   if( objc!=5 && objc!=4 ){
3994     Tcl_AppendResult(interp, "wrong # args: should be \"",
3995        Tcl_GetString(objv[0]), " DB sql bytes ?tailvar?", 0);
3996     return TCL_ERROR;
3997   }
3998   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
3999   zSql = Tcl_GetByteArrayFromObj(objv[2], &objlen);
4000   if( Tcl_GetIntFromObj(interp, objv[3], &bytes) ) return TCL_ERROR;
4001 
4002   rc = sqlite3_prepare16_v2(db, zSql, bytes, &pStmt, objc>=5 ? &zTail : 0);
4003   if( sqlite3TestErrCode(interp, db, rc) ) return TCL_ERROR;
4004   if( rc ){
4005     return TCL_ERROR;
4006   }
4007 
4008   if( objc>=5 ){
4009     if( zTail ){
4010       objlen = objlen - (int)((u8 *)zTail-(u8 *)zSql);
4011     }else{
4012       objlen = 0;
4013     }
4014     pTail = Tcl_NewByteArrayObj((u8 *)zTail, objlen);
4015     Tcl_IncrRefCount(pTail);
4016     Tcl_ObjSetVar2(interp, objv[4], 0, pTail, 0);
4017     Tcl_DecrRefCount(pTail);
4018   }
4019 
4020   if( pStmt ){
4021     if( sqlite3TestMakePointerStr(interp, zBuf, pStmt) ) return TCL_ERROR;
4022   }
4023   Tcl_AppendResult(interp, zBuf, 0);
4024 #endif /* SQLITE_OMIT_UTF16 */
4025   return TCL_OK;
4026 }
4027 
4028 /*
4029 ** Usage: sqlite3_open filename ?options-list?
4030 */
4031 static int test_open(
4032   void * clientData,
4033   Tcl_Interp *interp,
4034   int objc,
4035   Tcl_Obj *CONST objv[]
4036 ){
4037   const char *zFilename;
4038   sqlite3 *db;
4039   char zBuf[100];
4040 
4041   if( objc!=3 && objc!=2 && objc!=1 ){
4042     Tcl_AppendResult(interp, "wrong # args: should be \"",
4043        Tcl_GetString(objv[0]), " filename options-list", 0);
4044     return TCL_ERROR;
4045   }
4046 
4047   zFilename = objc>1 ? Tcl_GetString(objv[1]) : 0;
4048   sqlite3_open(zFilename, &db);
4049 
4050   if( sqlite3TestMakePointerStr(interp, zBuf, db) ) return TCL_ERROR;
4051   Tcl_AppendResult(interp, zBuf, 0);
4052   return TCL_OK;
4053 }
4054 
4055 /*
4056 ** Usage: sqlite3_open_v2 FILENAME FLAGS VFS
4057 */
4058 static int test_open_v2(
4059   void * clientData,
4060   Tcl_Interp *interp,
4061   int objc,
4062   Tcl_Obj *CONST objv[]
4063 ){
4064   const char *zFilename;
4065   const char *zVfs;
4066   int flags = 0;
4067   sqlite3 *db;
4068   int rc;
4069   char zBuf[100];
4070 
4071   int nFlag;
4072   Tcl_Obj **apFlag;
4073   int i;
4074 
4075   if( objc!=4 ){
4076     Tcl_WrongNumArgs(interp, 1, objv, "FILENAME FLAGS VFS");
4077     return TCL_ERROR;
4078   }
4079   zFilename = Tcl_GetString(objv[1]);
4080   zVfs = Tcl_GetString(objv[3]);
4081   if( zVfs[0]==0x00 ) zVfs = 0;
4082 
4083   rc = Tcl_ListObjGetElements(interp, objv[2], &nFlag, &apFlag);
4084   if( rc!=TCL_OK ) return rc;
4085   for(i=0; i<nFlag; i++){
4086     int iFlag;
4087     struct OpenFlag {
4088       const char *zFlag;
4089       int flag;
4090     } aFlag[] = {
4091       { "SQLITE_OPEN_READONLY", SQLITE_OPEN_READONLY },
4092       { "SQLITE_OPEN_READWRITE", SQLITE_OPEN_READWRITE },
4093       { "SQLITE_OPEN_CREATE", SQLITE_OPEN_CREATE },
4094       { "SQLITE_OPEN_DELETEONCLOSE", SQLITE_OPEN_DELETEONCLOSE },
4095       { "SQLITE_OPEN_EXCLUSIVE", SQLITE_OPEN_EXCLUSIVE },
4096       { "SQLITE_OPEN_AUTOPROXY", SQLITE_OPEN_AUTOPROXY },
4097       { "SQLITE_OPEN_MAIN_DB", SQLITE_OPEN_MAIN_DB },
4098       { "SQLITE_OPEN_TEMP_DB", SQLITE_OPEN_TEMP_DB },
4099       { "SQLITE_OPEN_TRANSIENT_DB", SQLITE_OPEN_TRANSIENT_DB },
4100       { "SQLITE_OPEN_MAIN_JOURNAL", SQLITE_OPEN_MAIN_JOURNAL },
4101       { "SQLITE_OPEN_TEMP_JOURNAL", SQLITE_OPEN_TEMP_JOURNAL },
4102       { "SQLITE_OPEN_SUBJOURNAL", SQLITE_OPEN_SUBJOURNAL },
4103       { "SQLITE_OPEN_MASTER_JOURNAL", SQLITE_OPEN_MASTER_JOURNAL },
4104       { "SQLITE_OPEN_NOMUTEX", SQLITE_OPEN_NOMUTEX },
4105       { "SQLITE_OPEN_FULLMUTEX", SQLITE_OPEN_FULLMUTEX },
4106       { "SQLITE_OPEN_SHAREDCACHE", SQLITE_OPEN_SHAREDCACHE },
4107       { "SQLITE_OPEN_PRIVATECACHE", SQLITE_OPEN_PRIVATECACHE },
4108       { "SQLITE_OPEN_WAL", SQLITE_OPEN_WAL },
4109       { "SQLITE_OPEN_URI", SQLITE_OPEN_URI },
4110       { 0, 0 }
4111     };
4112     rc = Tcl_GetIndexFromObjStruct(interp, apFlag[i], aFlag, sizeof(aFlag[0]),
4113         "flag", 0, &iFlag
4114     );
4115     if( rc!=TCL_OK ) return rc;
4116     flags |= aFlag[iFlag].flag;
4117   }
4118 
4119   rc = sqlite3_open_v2(zFilename, &db, flags, zVfs);
4120   if( sqlite3TestMakePointerStr(interp, zBuf, db) ) return TCL_ERROR;
4121   Tcl_AppendResult(interp, zBuf, 0);
4122   return TCL_OK;
4123 }
4124 
4125 /*
4126 ** Usage: sqlite3_open16 filename options
4127 */
4128 static int test_open16(
4129   void * clientData,
4130   Tcl_Interp *interp,
4131   int objc,
4132   Tcl_Obj *CONST objv[]
4133 ){
4134 #ifndef SQLITE_OMIT_UTF16
4135   const void *zFilename;
4136   sqlite3 *db;
4137   char zBuf[100];
4138 
4139   if( objc!=3 ){
4140     Tcl_AppendResult(interp, "wrong # args: should be \"",
4141        Tcl_GetString(objv[0]), " filename options-list", 0);
4142     return TCL_ERROR;
4143   }
4144 
4145   zFilename = Tcl_GetByteArrayFromObj(objv[1], 0);
4146   sqlite3_open16(zFilename, &db);
4147 
4148   if( sqlite3TestMakePointerStr(interp, zBuf, db) ) return TCL_ERROR;
4149   Tcl_AppendResult(interp, zBuf, 0);
4150 #endif /* SQLITE_OMIT_UTF16 */
4151   return TCL_OK;
4152 }
4153 
4154 /*
4155 ** Usage: sqlite3_complete16 <UTF-16 string>
4156 **
4157 ** Return 1 if the supplied argument is a complete SQL statement, or zero
4158 ** otherwise.
4159 */
4160 static int test_complete16(
4161   void * clientData,
4162   Tcl_Interp *interp,
4163   int objc,
4164   Tcl_Obj *CONST objv[]
4165 ){
4166 #if !defined(SQLITE_OMIT_COMPLETE) && !defined(SQLITE_OMIT_UTF16)
4167   char *zBuf;
4168 
4169   if( objc!=2 ){
4170     Tcl_WrongNumArgs(interp, 1, objv, "<utf-16 sql>");
4171     return TCL_ERROR;
4172   }
4173 
4174   zBuf = (char*)Tcl_GetByteArrayFromObj(objv[1], 0);
4175   Tcl_SetObjResult(interp, Tcl_NewIntObj(sqlite3_complete16(zBuf)));
4176 #endif /* SQLITE_OMIT_COMPLETE && SQLITE_OMIT_UTF16 */
4177   return TCL_OK;
4178 }
4179 
4180 /*
4181 ** Usage: sqlite3_step STMT
4182 **
4183 ** Advance the statement to the next row.
4184 */
4185 static int test_step(
4186   void * clientData,
4187   Tcl_Interp *interp,
4188   int objc,
4189   Tcl_Obj *CONST objv[]
4190 ){
4191   sqlite3_stmt *pStmt;
4192   int rc;
4193 
4194   if( objc!=2 ){
4195     Tcl_AppendResult(interp, "wrong # args: should be \"",
4196        Tcl_GetString(objv[0]), " STMT", 0);
4197     return TCL_ERROR;
4198   }
4199 
4200   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
4201   rc = sqlite3_step(pStmt);
4202 
4203   /* if( rc!=SQLITE_DONE && rc!=SQLITE_ROW ) return TCL_ERROR; */
4204   Tcl_SetResult(interp, (char *)t1ErrorName(rc), 0);
4205   return TCL_OK;
4206 }
4207 
4208 static int test_sql(
4209   void * clientData,
4210   Tcl_Interp *interp,
4211   int objc,
4212   Tcl_Obj *CONST objv[]
4213 ){
4214   sqlite3_stmt *pStmt;
4215 
4216   if( objc!=2 ){
4217     Tcl_WrongNumArgs(interp, 1, objv, "STMT");
4218     return TCL_ERROR;
4219   }
4220 
4221   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
4222   Tcl_SetResult(interp, (char *)sqlite3_sql(pStmt), TCL_VOLATILE);
4223   return TCL_OK;
4224 }
4225 
4226 /*
4227 ** Usage: sqlite3_column_count STMT
4228 **
4229 ** Return the number of columns returned by the sql statement STMT.
4230 */
4231 static int test_column_count(
4232   void * clientData,
4233   Tcl_Interp *interp,
4234   int objc,
4235   Tcl_Obj *CONST objv[]
4236 ){
4237   sqlite3_stmt *pStmt;
4238 
4239   if( objc!=2 ){
4240     Tcl_AppendResult(interp, "wrong # args: should be \"",
4241        Tcl_GetString(objv[0]), " STMT column", 0);
4242     return TCL_ERROR;
4243   }
4244 
4245   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
4246 
4247   Tcl_SetObjResult(interp, Tcl_NewIntObj(sqlite3_column_count(pStmt)));
4248   return TCL_OK;
4249 }
4250 
4251 /*
4252 ** Usage: sqlite3_column_type STMT column
4253 **
4254 ** Return the type of the data in column 'column' of the current row.
4255 */
4256 static int test_column_type(
4257   void * clientData,
4258   Tcl_Interp *interp,
4259   int objc,
4260   Tcl_Obj *CONST objv[]
4261 ){
4262   sqlite3_stmt *pStmt;
4263   int col;
4264   int tp;
4265 
4266   if( objc!=3 ){
4267     Tcl_AppendResult(interp, "wrong # args: should be \"",
4268        Tcl_GetString(objv[0]), " STMT column", 0);
4269     return TCL_ERROR;
4270   }
4271 
4272   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
4273   if( Tcl_GetIntFromObj(interp, objv[2], &col) ) return TCL_ERROR;
4274 
4275   tp = sqlite3_column_type(pStmt, col);
4276   switch( tp ){
4277     case SQLITE_INTEGER:
4278       Tcl_SetResult(interp, "INTEGER", TCL_STATIC);
4279       break;
4280     case SQLITE_NULL:
4281       Tcl_SetResult(interp, "NULL", TCL_STATIC);
4282       break;
4283     case SQLITE_FLOAT:
4284       Tcl_SetResult(interp, "FLOAT", TCL_STATIC);
4285       break;
4286     case SQLITE_TEXT:
4287       Tcl_SetResult(interp, "TEXT", TCL_STATIC);
4288       break;
4289     case SQLITE_BLOB:
4290       Tcl_SetResult(interp, "BLOB", TCL_STATIC);
4291       break;
4292     default:
4293       assert(0);
4294   }
4295 
4296   return TCL_OK;
4297 }
4298 
4299 /*
4300 ** Usage: sqlite3_column_int64 STMT column
4301 **
4302 ** Return the data in column 'column' of the current row cast as an
4303 ** wide (64-bit) integer.
4304 */
4305 static int test_column_int64(
4306   void * clientData,
4307   Tcl_Interp *interp,
4308   int objc,
4309   Tcl_Obj *CONST objv[]
4310 ){
4311   sqlite3_stmt *pStmt;
4312   int col;
4313   i64 iVal;
4314 
4315   if( objc!=3 ){
4316     Tcl_AppendResult(interp, "wrong # args: should be \"",
4317        Tcl_GetString(objv[0]), " STMT column", 0);
4318     return TCL_ERROR;
4319   }
4320 
4321   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
4322   if( Tcl_GetIntFromObj(interp, objv[2], &col) ) return TCL_ERROR;
4323 
4324   iVal = sqlite3_column_int64(pStmt, col);
4325   Tcl_SetObjResult(interp, Tcl_NewWideIntObj(iVal));
4326   return TCL_OK;
4327 }
4328 
4329 /*
4330 ** Usage: sqlite3_column_blob STMT column
4331 */
4332 static int test_column_blob(
4333   void * clientData,
4334   Tcl_Interp *interp,
4335   int objc,
4336   Tcl_Obj *CONST objv[]
4337 ){
4338   sqlite3_stmt *pStmt;
4339   int col;
4340 
4341   int len;
4342   const void *pBlob;
4343 
4344   if( objc!=3 ){
4345     Tcl_AppendResult(interp, "wrong # args: should be \"",
4346        Tcl_GetString(objv[0]), " STMT column", 0);
4347     return TCL_ERROR;
4348   }
4349 
4350   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
4351   if( Tcl_GetIntFromObj(interp, objv[2], &col) ) return TCL_ERROR;
4352 
4353   len = sqlite3_column_bytes(pStmt, col);
4354   pBlob = sqlite3_column_blob(pStmt, col);
4355   Tcl_SetObjResult(interp, Tcl_NewByteArrayObj(pBlob, len));
4356   return TCL_OK;
4357 }
4358 
4359 /*
4360 ** Usage: sqlite3_column_double STMT column
4361 **
4362 ** Return the data in column 'column' of the current row cast as a double.
4363 */
4364 static int test_column_double(
4365   void * clientData,
4366   Tcl_Interp *interp,
4367   int objc,
4368   Tcl_Obj *CONST objv[]
4369 ){
4370   sqlite3_stmt *pStmt;
4371   int col;
4372   double rVal;
4373 
4374   if( objc!=3 ){
4375     Tcl_AppendResult(interp, "wrong # args: should be \"",
4376        Tcl_GetString(objv[0]), " STMT column", 0);
4377     return TCL_ERROR;
4378   }
4379 
4380   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
4381   if( Tcl_GetIntFromObj(interp, objv[2], &col) ) return TCL_ERROR;
4382 
4383   rVal = sqlite3_column_double(pStmt, col);
4384   Tcl_SetObjResult(interp, Tcl_NewDoubleObj(rVal));
4385   return TCL_OK;
4386 }
4387 
4388 /*
4389 ** Usage: sqlite3_data_count STMT
4390 **
4391 ** Return the number of columns returned by the sql statement STMT.
4392 */
4393 static int test_data_count(
4394   void * clientData,
4395   Tcl_Interp *interp,
4396   int objc,
4397   Tcl_Obj *CONST objv[]
4398 ){
4399   sqlite3_stmt *pStmt;
4400 
4401   if( objc!=2 ){
4402     Tcl_AppendResult(interp, "wrong # args: should be \"",
4403        Tcl_GetString(objv[0]), " STMT column", 0);
4404     return TCL_ERROR;
4405   }
4406 
4407   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
4408 
4409   Tcl_SetObjResult(interp, Tcl_NewIntObj(sqlite3_data_count(pStmt)));
4410   return TCL_OK;
4411 }
4412 
4413 /*
4414 ** Usage: sqlite3_column_text STMT column
4415 **
4416 ** Usage: sqlite3_column_decltype STMT column
4417 **
4418 ** Usage: sqlite3_column_name STMT column
4419 */
4420 static int test_stmt_utf8(
4421   void * clientData,        /* Pointer to SQLite API function to be invoke */
4422   Tcl_Interp *interp,
4423   int objc,
4424   Tcl_Obj *CONST objv[]
4425 ){
4426   sqlite3_stmt *pStmt;
4427   int col;
4428   const char *(*xFunc)(sqlite3_stmt*, int);
4429   const char *zRet;
4430 
4431   xFunc = (const char *(*)(sqlite3_stmt*, int))clientData;
4432   if( objc!=3 ){
4433     Tcl_AppendResult(interp, "wrong # args: should be \"",
4434        Tcl_GetString(objv[0]), " STMT column", 0);
4435     return TCL_ERROR;
4436   }
4437 
4438   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
4439   if( Tcl_GetIntFromObj(interp, objv[2], &col) ) return TCL_ERROR;
4440   zRet = xFunc(pStmt, col);
4441   if( zRet ){
4442     Tcl_SetResult(interp, (char *)zRet, 0);
4443   }
4444   return TCL_OK;
4445 }
4446 
4447 static int test_global_recover(
4448   void * clientData,
4449   Tcl_Interp *interp,
4450   int objc,
4451   Tcl_Obj *CONST objv[]
4452 ){
4453 #ifndef SQLITE_OMIT_DEPRECATED
4454   int rc;
4455   if( objc!=1 ){
4456     Tcl_WrongNumArgs(interp, 1, objv, "");
4457     return TCL_ERROR;
4458   }
4459   rc = sqlite3_global_recover();
4460   Tcl_SetResult(interp, (char *)t1ErrorName(rc), TCL_STATIC);
4461 #endif
4462   return TCL_OK;
4463 }
4464 
4465 /*
4466 ** Usage: sqlite3_column_text STMT column
4467 **
4468 ** Usage: sqlite3_column_decltype STMT column
4469 **
4470 ** Usage: sqlite3_column_name STMT column
4471 */
4472 static int test_stmt_utf16(
4473   void * clientData,     /* Pointer to SQLite API function to be invoked */
4474   Tcl_Interp *interp,
4475   int objc,
4476   Tcl_Obj *CONST objv[]
4477 ){
4478 #ifndef SQLITE_OMIT_UTF16
4479   sqlite3_stmt *pStmt;
4480   int col;
4481   Tcl_Obj *pRet;
4482   const void *zName16;
4483   const void *(*xFunc)(sqlite3_stmt*, int);
4484 
4485   xFunc = (const void *(*)(sqlite3_stmt*, int))clientData;
4486   if( objc!=3 ){
4487     Tcl_AppendResult(interp, "wrong # args: should be \"",
4488        Tcl_GetString(objv[0]), " STMT column", 0);
4489     return TCL_ERROR;
4490   }
4491 
4492   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
4493   if( Tcl_GetIntFromObj(interp, objv[2], &col) ) return TCL_ERROR;
4494 
4495   zName16 = xFunc(pStmt, col);
4496   if( zName16 ){
4497     int n;
4498     const char *z = zName16;
4499     for(n=0; z[n] || z[n+1]; n+=2){}
4500     pRet = Tcl_NewByteArrayObj(zName16, n+2);
4501     Tcl_SetObjResult(interp, pRet);
4502   }
4503 #endif /* SQLITE_OMIT_UTF16 */
4504 
4505   return TCL_OK;
4506 }
4507 
4508 /*
4509 ** Usage: sqlite3_column_int STMT column
4510 **
4511 ** Usage: sqlite3_column_bytes STMT column
4512 **
4513 ** Usage: sqlite3_column_bytes16 STMT column
4514 **
4515 */
4516 static int test_stmt_int(
4517   void * clientData,    /* Pointer to SQLite API function to be invoked */
4518   Tcl_Interp *interp,
4519   int objc,
4520   Tcl_Obj *CONST objv[]
4521 ){
4522   sqlite3_stmt *pStmt;
4523   int col;
4524   int (*xFunc)(sqlite3_stmt*, int);
4525 
4526   xFunc = (int (*)(sqlite3_stmt*, int))clientData;
4527   if( objc!=3 ){
4528     Tcl_AppendResult(interp, "wrong # args: should be \"",
4529        Tcl_GetString(objv[0]), " STMT column", 0);
4530     return TCL_ERROR;
4531   }
4532 
4533   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
4534   if( Tcl_GetIntFromObj(interp, objv[2], &col) ) return TCL_ERROR;
4535 
4536   Tcl_SetObjResult(interp, Tcl_NewIntObj(xFunc(pStmt, col)));
4537   return TCL_OK;
4538 }
4539 
4540 /*
4541 ** Usage:  sqlite_set_magic  DB  MAGIC-NUMBER
4542 **
4543 ** Set the db->magic value.  This is used to test error recovery logic.
4544 */
4545 static int sqlite_set_magic(
4546   void * clientData,
4547   Tcl_Interp *interp,
4548   int argc,
4549   char **argv
4550 ){
4551   sqlite3 *db;
4552   if( argc!=3 ){
4553     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
4554          " DB MAGIC", 0);
4555     return TCL_ERROR;
4556   }
4557   if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
4558   if( strcmp(argv[2], "SQLITE_MAGIC_OPEN")==0 ){
4559     db->magic = SQLITE_MAGIC_OPEN;
4560   }else if( strcmp(argv[2], "SQLITE_MAGIC_CLOSED")==0 ){
4561     db->magic = SQLITE_MAGIC_CLOSED;
4562   }else if( strcmp(argv[2], "SQLITE_MAGIC_BUSY")==0 ){
4563     db->magic = SQLITE_MAGIC_BUSY;
4564   }else if( strcmp(argv[2], "SQLITE_MAGIC_ERROR")==0 ){
4565     db->magic = SQLITE_MAGIC_ERROR;
4566   }else if( Tcl_GetInt(interp, argv[2], (int*)&db->magic) ){
4567     return TCL_ERROR;
4568   }
4569   return TCL_OK;
4570 }
4571 
4572 /*
4573 ** Usage:  sqlite3_interrupt  DB
4574 **
4575 ** Trigger an interrupt on DB
4576 */
4577 static int test_interrupt(
4578   void * clientData,
4579   Tcl_Interp *interp,
4580   int argc,
4581   char **argv
4582 ){
4583   sqlite3 *db;
4584   if( argc!=2 ){
4585     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0], " DB", 0);
4586     return TCL_ERROR;
4587   }
4588   if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
4589   sqlite3_interrupt(db);
4590   return TCL_OK;
4591 }
4592 
4593 static u8 *sqlite3_stack_baseline = 0;
4594 
4595 /*
4596 ** Fill the stack with a known bitpattern.
4597 */
4598 static void prepStack(void){
4599   int i;
4600   u32 bigBuf[65536];
4601   for(i=0; i<sizeof(bigBuf)/sizeof(bigBuf[0]); i++) bigBuf[i] = 0xdeadbeef;
4602   sqlite3_stack_baseline = (u8*)&bigBuf[65536];
4603 }
4604 
4605 /*
4606 ** Get the current stack depth.  Used for debugging only.
4607 */
4608 u64 sqlite3StackDepth(void){
4609   u8 x;
4610   return (u64)(sqlite3_stack_baseline - &x);
4611 }
4612 
4613 /*
4614 ** Usage:  sqlite3_stack_used DB SQL
4615 **
4616 ** Try to measure the amount of stack space used by a call to sqlite3_exec
4617 */
4618 static int test_stack_used(
4619   void * clientData,
4620   Tcl_Interp *interp,
4621   int argc,
4622   char **argv
4623 ){
4624   sqlite3 *db;
4625   int i;
4626   if( argc!=3 ){
4627     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
4628         " DB SQL", 0);
4629     return TCL_ERROR;
4630   }
4631   if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
4632   prepStack();
4633   (void)sqlite3_exec(db, argv[2], 0, 0, 0);
4634   for(i=65535; i>=0 && ((u32*)sqlite3_stack_baseline)[-i]==0xdeadbeef; i--){}
4635   Tcl_SetObjResult(interp, Tcl_NewIntObj(i*4));
4636   return TCL_OK;
4637 }
4638 
4639 /*
4640 ** Usage: sqlite_delete_function DB function-name
4641 **
4642 ** Delete the user function 'function-name' from database handle DB. It
4643 ** is assumed that the user function was created as UTF8, any number of
4644 ** arguments (the way the TCL interface does it).
4645 */
4646 static int delete_function(
4647   void * clientData,
4648   Tcl_Interp *interp,
4649   int argc,
4650   char **argv
4651 ){
4652   int rc;
4653   sqlite3 *db;
4654   if( argc!=3 ){
4655     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
4656         " DB function-name", 0);
4657     return TCL_ERROR;
4658   }
4659   if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
4660   rc = sqlite3_create_function(db, argv[2], -1, SQLITE_UTF8, 0, 0, 0, 0);
4661   Tcl_SetResult(interp, (char *)t1ErrorName(rc), TCL_STATIC);
4662   return TCL_OK;
4663 }
4664 
4665 /*
4666 ** Usage: sqlite_delete_collation DB collation-name
4667 **
4668 ** Delete the collation sequence 'collation-name' from database handle
4669 ** DB. It is assumed that the collation sequence was created as UTF8 (the
4670 ** way the TCL interface does it).
4671 */
4672 static int delete_collation(
4673   void * clientData,
4674   Tcl_Interp *interp,
4675   int argc,
4676   char **argv
4677 ){
4678   int rc;
4679   sqlite3 *db;
4680   if( argc!=3 ){
4681     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
4682         " DB function-name", 0);
4683     return TCL_ERROR;
4684   }
4685   if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
4686   rc = sqlite3_create_collation(db, argv[2], SQLITE_UTF8, 0, 0);
4687   Tcl_SetResult(interp, (char *)t1ErrorName(rc), TCL_STATIC);
4688   return TCL_OK;
4689 }
4690 
4691 /*
4692 ** Usage: sqlite3_get_autocommit DB
4693 **
4694 ** Return true if the database DB is currently in auto-commit mode.
4695 ** Return false if not.
4696 */
4697 static int get_autocommit(
4698   void * clientData,
4699   Tcl_Interp *interp,
4700   int argc,
4701   char **argv
4702 ){
4703   char zBuf[30];
4704   sqlite3 *db;
4705   if( argc!=2 ){
4706     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
4707         " DB", 0);
4708     return TCL_ERROR;
4709   }
4710   if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
4711   sqlite3_snprintf(sizeof(zBuf), zBuf, "%d", sqlite3_get_autocommit(db));
4712   Tcl_AppendResult(interp, zBuf, 0);
4713   return TCL_OK;
4714 }
4715 
4716 /*
4717 ** Usage: sqlite3_busy_timeout DB MS
4718 **
4719 ** Set the busy timeout.  This is more easily done using the timeout
4720 ** method of the TCL interface.  But we need a way to test the case
4721 ** where it returns SQLITE_MISUSE.
4722 */
4723 static int test_busy_timeout(
4724   void * clientData,
4725   Tcl_Interp *interp,
4726   int argc,
4727   char **argv
4728 ){
4729   int rc, ms;
4730   sqlite3 *db;
4731   if( argc!=3 ){
4732     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
4733         " DB", 0);
4734     return TCL_ERROR;
4735   }
4736   if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
4737   if( Tcl_GetInt(interp, argv[2], &ms) ) return TCL_ERROR;
4738   rc = sqlite3_busy_timeout(db, ms);
4739   Tcl_AppendResult(interp, sqlite3ErrName(rc), 0);
4740   return TCL_OK;
4741 }
4742 
4743 /*
4744 ** Usage:  tcl_variable_type VARIABLENAME
4745 **
4746 ** Return the name of the internal representation for the
4747 ** value of the given variable.
4748 */
4749 static int tcl_variable_type(
4750   void * clientData,
4751   Tcl_Interp *interp,
4752   int objc,
4753   Tcl_Obj *CONST objv[]
4754 ){
4755   Tcl_Obj *pVar;
4756   if( objc!=2 ){
4757     Tcl_WrongNumArgs(interp, 1, objv, "VARIABLE");
4758     return TCL_ERROR;
4759   }
4760   pVar = Tcl_GetVar2Ex(interp, Tcl_GetString(objv[1]), 0, TCL_LEAVE_ERR_MSG);
4761   if( pVar==0 ) return TCL_ERROR;
4762   if( pVar->typePtr ){
4763     Tcl_SetObjResult(interp, Tcl_NewStringObj(pVar->typePtr->name, -1));
4764   }
4765   return TCL_OK;
4766 }
4767 
4768 /*
4769 ** Usage:  sqlite3_release_memory ?N?
4770 **
4771 ** Attempt to release memory currently held but not actually required.
4772 ** The integer N is the number of bytes we are trying to release.  The
4773 ** return value is the amount of memory actually released.
4774 */
4775 static int test_release_memory(
4776   void * clientData,
4777   Tcl_Interp *interp,
4778   int objc,
4779   Tcl_Obj *CONST objv[]
4780 ){
4781 #if defined(SQLITE_ENABLE_MEMORY_MANAGEMENT) && !defined(SQLITE_OMIT_DISKIO)
4782   int N;
4783   int amt;
4784   if( objc!=1 && objc!=2 ){
4785     Tcl_WrongNumArgs(interp, 1, objv, "?N?");
4786     return TCL_ERROR;
4787   }
4788   if( objc==2 ){
4789     if( Tcl_GetIntFromObj(interp, objv[1], &N) ) return TCL_ERROR;
4790   }else{
4791     N = -1;
4792   }
4793   amt = sqlite3_release_memory(N);
4794   Tcl_SetObjResult(interp, Tcl_NewIntObj(amt));
4795 #endif
4796   return TCL_OK;
4797 }
4798 
4799 
4800 /*
4801 ** Usage:  sqlite3_db_release_memory DB
4802 **
4803 ** Attempt to release memory currently held by database DB.  Return the
4804 ** result code (which in the current implementation is always zero).
4805 */
4806 static int test_db_release_memory(
4807   void * clientData,
4808   Tcl_Interp *interp,
4809   int objc,
4810   Tcl_Obj *CONST objv[]
4811 ){
4812   sqlite3 *db;
4813   int rc;
4814   if( objc!=2 ){
4815     Tcl_WrongNumArgs(interp, 1, objv, "DB");
4816     return TCL_ERROR;
4817   }
4818   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
4819   rc = sqlite3_db_release_memory(db);
4820   Tcl_SetObjResult(interp, Tcl_NewIntObj(rc));
4821   return TCL_OK;
4822 }
4823 
4824 /*
4825 ** Usage:  sqlite3_db_cacheflush DB
4826 **
4827 ** Attempt to flush any dirty pages to disk.
4828 */
4829 static int test_db_cacheflush(
4830   void * clientData,
4831   Tcl_Interp *interp,
4832   int objc,
4833   Tcl_Obj *CONST objv[]
4834 ){
4835   sqlite3 *db;
4836   int rc;
4837   if( objc!=2 ){
4838     Tcl_WrongNumArgs(interp, 1, objv, "DB");
4839     return TCL_ERROR;
4840   }
4841   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
4842   rc = sqlite3_db_cacheflush(db);
4843   if( rc ){
4844     Tcl_SetResult(interp, (char *)sqlite3ErrStr(rc), TCL_STATIC);
4845     return TCL_ERROR;
4846   }
4847 
4848   Tcl_ResetResult(interp);
4849   return TCL_OK;
4850 }
4851 
4852 /*
4853 ** Usage:  sqlite3_db_filename DB DBNAME
4854 **
4855 ** Return the name of a file associated with a database.
4856 */
4857 static int test_db_filename(
4858   void * clientData,
4859   Tcl_Interp *interp,
4860   int objc,
4861   Tcl_Obj *CONST objv[]
4862 ){
4863   sqlite3 *db;
4864   const char *zDbName;
4865   if( objc!=3 ){
4866     Tcl_WrongNumArgs(interp, 1, objv, "DB DBNAME");
4867     return TCL_ERROR;
4868   }
4869   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
4870   zDbName = Tcl_GetString(objv[2]);
4871   Tcl_AppendResult(interp, sqlite3_db_filename(db, zDbName), (void*)0);
4872   return TCL_OK;
4873 }
4874 
4875 /*
4876 ** Usage:  sqlite3_db_readonly DB DBNAME
4877 **
4878 ** Return 1 or 0 if DBNAME is readonly or not.  Return -1 if DBNAME does
4879 ** not exist.
4880 */
4881 static int test_db_readonly(
4882   void * clientData,
4883   Tcl_Interp *interp,
4884   int objc,
4885   Tcl_Obj *CONST objv[]
4886 ){
4887   sqlite3 *db;
4888   const char *zDbName;
4889   if( objc!=3 ){
4890     Tcl_WrongNumArgs(interp, 1, objv, "DB DBNAME");
4891     return TCL_ERROR;
4892   }
4893   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
4894   zDbName = Tcl_GetString(objv[2]);
4895   Tcl_SetObjResult(interp, Tcl_NewIntObj(sqlite3_db_readonly(db, zDbName)));
4896   return TCL_OK;
4897 }
4898 
4899 /*
4900 ** Usage:  sqlite3_soft_heap_limit ?N?
4901 **
4902 ** Query or set the soft heap limit for the current thread.  The
4903 ** limit is only changed if the N is present.  The previous limit
4904 ** is returned.
4905 */
4906 static int test_soft_heap_limit(
4907   void * clientData,
4908   Tcl_Interp *interp,
4909   int objc,
4910   Tcl_Obj *CONST objv[]
4911 ){
4912   sqlite3_int64 amt;
4913   Tcl_WideInt N = -1;
4914   if( objc!=1 && objc!=2 ){
4915     Tcl_WrongNumArgs(interp, 1, objv, "?N?");
4916     return TCL_ERROR;
4917   }
4918   if( objc==2 ){
4919     if( Tcl_GetWideIntFromObj(interp, objv[1], &N) ) return TCL_ERROR;
4920   }
4921   amt = sqlite3_soft_heap_limit64(N);
4922   Tcl_SetObjResult(interp, Tcl_NewWideIntObj(amt));
4923   return TCL_OK;
4924 }
4925 
4926 /*
4927 ** Usage:   sqlite3_thread_cleanup
4928 **
4929 ** Call the sqlite3_thread_cleanup API.
4930 */
4931 static int test_thread_cleanup(
4932   void * clientData,
4933   Tcl_Interp *interp,
4934   int objc,
4935   Tcl_Obj *CONST objv[]
4936 ){
4937 #ifndef SQLITE_OMIT_DEPRECATED
4938   sqlite3_thread_cleanup();
4939 #endif
4940   return TCL_OK;
4941 }
4942 
4943 /*
4944 ** Usage:   sqlite3_pager_refcounts  DB
4945 **
4946 ** Return a list of numbers which are the PagerRefcount for all
4947 ** pagers on each database connection.
4948 */
4949 static int test_pager_refcounts(
4950   void * clientData,
4951   Tcl_Interp *interp,
4952   int objc,
4953   Tcl_Obj *CONST objv[]
4954 ){
4955   sqlite3 *db;
4956   int i;
4957   int v, *a;
4958   Tcl_Obj *pResult;
4959 
4960   if( objc!=2 ){
4961     Tcl_AppendResult(interp, "wrong # args: should be \"",
4962         Tcl_GetStringFromObj(objv[0], 0), " DB", 0);
4963     return TCL_ERROR;
4964   }
4965   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
4966   pResult = Tcl_NewObj();
4967   for(i=0; i<db->nDb; i++){
4968     if( db->aDb[i].pBt==0 ){
4969       v = -1;
4970     }else{
4971       sqlite3_mutex_enter(db->mutex);
4972       a = sqlite3PagerStats(sqlite3BtreePager(db->aDb[i].pBt));
4973       v = a[0];
4974       sqlite3_mutex_leave(db->mutex);
4975     }
4976     Tcl_ListObjAppendElement(0, pResult, Tcl_NewIntObj(v));
4977   }
4978   Tcl_SetObjResult(interp, pResult);
4979   return TCL_OK;
4980 }
4981 
4982 
4983 /*
4984 ** tclcmd:   working_64bit_int
4985 **
4986 ** Some TCL builds (ex: cygwin) do not support 64-bit integers.  This
4987 ** leads to a number of test failures.  The present command checks the
4988 ** TCL build to see whether or not it supports 64-bit integers.  It
4989 ** returns TRUE if it does and FALSE if not.
4990 **
4991 ** This command is used to warn users that their TCL build is defective
4992 ** and that the errors they are seeing in the test scripts might be
4993 ** a result of their defective TCL rather than problems in SQLite.
4994 */
4995 static int working_64bit_int(
4996   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
4997   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
4998   int objc,              /* Number of arguments */
4999   Tcl_Obj *CONST objv[]  /* Command arguments */
5000 ){
5001   Tcl_Obj *pTestObj;
5002   int working = 0;
5003 
5004   pTestObj = Tcl_NewWideIntObj(1000000*(i64)1234567890);
5005   working = strcmp(Tcl_GetString(pTestObj), "1234567890000000")==0;
5006   Tcl_DecrRefCount(pTestObj);
5007   Tcl_SetObjResult(interp, Tcl_NewBooleanObj(working));
5008   return TCL_OK;
5009 }
5010 
5011 
5012 /*
5013 ** tclcmd:   vfs_unlink_test
5014 **
5015 ** This TCL command unregisters the primary VFS and then registers
5016 ** it back again.  This is used to test the ability to register a
5017 ** VFS when none are previously registered, and the ability to
5018 ** unregister the only available VFS.  Ticket #2738
5019 */
5020 static int vfs_unlink_test(
5021   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
5022   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
5023   int objc,              /* Number of arguments */
5024   Tcl_Obj *CONST objv[]  /* Command arguments */
5025 ){
5026   int i;
5027   sqlite3_vfs *pMain;
5028   sqlite3_vfs *apVfs[20];
5029   sqlite3_vfs one, two;
5030 
5031   sqlite3_vfs_unregister(0);   /* Unregister of NULL is harmless */
5032   one.zName = "__one";
5033   two.zName = "__two";
5034 
5035   /* Calling sqlite3_vfs_register with 2nd argument of 0 does not
5036   ** change the default VFS
5037   */
5038   pMain = sqlite3_vfs_find(0);
5039   sqlite3_vfs_register(&one, 0);
5040   assert( pMain==0 || pMain==sqlite3_vfs_find(0) );
5041   sqlite3_vfs_register(&two, 0);
5042   assert( pMain==0 || pMain==sqlite3_vfs_find(0) );
5043 
5044   /* We can find a VFS by its name */
5045   assert( sqlite3_vfs_find("__one")==&one );
5046   assert( sqlite3_vfs_find("__two")==&two );
5047 
5048   /* Calling sqlite_vfs_register with non-zero second parameter changes the
5049   ** default VFS, even if the 1st parameter is an existig VFS that is
5050   ** previously registered as the non-default.
5051   */
5052   sqlite3_vfs_register(&one, 1);
5053   assert( sqlite3_vfs_find("__one")==&one );
5054   assert( sqlite3_vfs_find("__two")==&two );
5055   assert( sqlite3_vfs_find(0)==&one );
5056   sqlite3_vfs_register(&two, 1);
5057   assert( sqlite3_vfs_find("__one")==&one );
5058   assert( sqlite3_vfs_find("__two")==&two );
5059   assert( sqlite3_vfs_find(0)==&two );
5060   if( pMain ){
5061     sqlite3_vfs_register(pMain, 1);
5062     assert( sqlite3_vfs_find("__one")==&one );
5063     assert( sqlite3_vfs_find("__two")==&two );
5064     assert( sqlite3_vfs_find(0)==pMain );
5065   }
5066 
5067   /* Unlink the default VFS.  Repeat until there are no more VFSes
5068   ** registered.
5069   */
5070   for(i=0; i<sizeof(apVfs)/sizeof(apVfs[0]); i++){
5071     apVfs[i] = sqlite3_vfs_find(0);
5072     if( apVfs[i] ){
5073       assert( apVfs[i]==sqlite3_vfs_find(apVfs[i]->zName) );
5074       sqlite3_vfs_unregister(apVfs[i]);
5075       assert( 0==sqlite3_vfs_find(apVfs[i]->zName) );
5076     }
5077   }
5078   assert( 0==sqlite3_vfs_find(0) );
5079 
5080   /* Register the main VFS as non-default (will be made default, since
5081   ** it'll be the only one in existence).
5082   */
5083   sqlite3_vfs_register(pMain, 0);
5084   assert( sqlite3_vfs_find(0)==pMain );
5085 
5086   /* Un-register the main VFS again to restore an empty VFS list */
5087   sqlite3_vfs_unregister(pMain);
5088   assert( 0==sqlite3_vfs_find(0) );
5089 
5090   /* Relink all VFSes in reverse order. */
5091   for(i=sizeof(apVfs)/sizeof(apVfs[0])-1; i>=0; i--){
5092     if( apVfs[i] ){
5093       sqlite3_vfs_register(apVfs[i], 1);
5094       assert( apVfs[i]==sqlite3_vfs_find(0) );
5095       assert( apVfs[i]==sqlite3_vfs_find(apVfs[i]->zName) );
5096     }
5097   }
5098 
5099   /* Unregister out sample VFSes. */
5100   sqlite3_vfs_unregister(&one);
5101   sqlite3_vfs_unregister(&two);
5102 
5103   /* Unregistering a VFS that is not currently registered is harmless */
5104   sqlite3_vfs_unregister(&one);
5105   sqlite3_vfs_unregister(&two);
5106   assert( sqlite3_vfs_find("__one")==0 );
5107   assert( sqlite3_vfs_find("__two")==0 );
5108 
5109   /* We should be left with the original default VFS back as the
5110   ** original */
5111   assert( sqlite3_vfs_find(0)==pMain );
5112 
5113   return TCL_OK;
5114 }
5115 
5116 /*
5117 ** tclcmd:   vfs_initfail_test
5118 **
5119 ** This TCL command attempts to vfs_find and vfs_register when the
5120 ** sqlite3_initialize() interface is failing.  All calls should fail.
5121 */
5122 static int vfs_initfail_test(
5123   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
5124   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
5125   int objc,              /* Number of arguments */
5126   Tcl_Obj *CONST objv[]  /* Command arguments */
5127 ){
5128   sqlite3_vfs one;
5129   one.zName = "__one";
5130 
5131   if( sqlite3_vfs_find(0) ) return TCL_ERROR;
5132   sqlite3_vfs_register(&one, 0);
5133   if( sqlite3_vfs_find(0) ) return TCL_ERROR;
5134   sqlite3_vfs_register(&one, 1);
5135   if( sqlite3_vfs_find(0) ) return TCL_ERROR;
5136   return TCL_OK;
5137 }
5138 
5139 /*
5140 ** Saved VFSes
5141 */
5142 static sqlite3_vfs *apVfs[20];
5143 static int nVfs = 0;
5144 
5145 /*
5146 ** tclcmd:   vfs_unregister_all
5147 **
5148 ** Unregister all VFSes.
5149 */
5150 static int vfs_unregister_all(
5151   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
5152   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
5153   int objc,              /* Number of arguments */
5154   Tcl_Obj *CONST objv[]  /* Command arguments */
5155 ){
5156   int i;
5157   for(i=0; i<ArraySize(apVfs); i++){
5158     apVfs[i] = sqlite3_vfs_find(0);
5159     if( apVfs[i]==0 ) break;
5160     sqlite3_vfs_unregister(apVfs[i]);
5161   }
5162   nVfs = i;
5163   return TCL_OK;
5164 }
5165 /*
5166 ** tclcmd:   vfs_reregister_all
5167 **
5168 ** Restore all VFSes that were removed using vfs_unregister_all
5169 */
5170 static int vfs_reregister_all(
5171   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
5172   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
5173   int objc,              /* Number of arguments */
5174   Tcl_Obj *CONST objv[]  /* Command arguments */
5175 ){
5176   int i;
5177   for(i=0; i<nVfs; i++){
5178     sqlite3_vfs_register(apVfs[i], i==0);
5179   }
5180   return TCL_OK;
5181 }
5182 
5183 
5184 /*
5185 ** tclcmd:   file_control_test DB
5186 **
5187 ** This TCL command runs the sqlite3_file_control interface and
5188 ** verifies correct operation of the same.
5189 */
5190 static int file_control_test(
5191   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
5192   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
5193   int objc,              /* Number of arguments */
5194   Tcl_Obj *CONST objv[]  /* Command arguments */
5195 ){
5196   int iArg = 0;
5197   sqlite3 *db;
5198   int rc;
5199 
5200   if( objc!=2 ){
5201     Tcl_AppendResult(interp, "wrong # args: should be \"",
5202         Tcl_GetStringFromObj(objv[0], 0), " DB", 0);
5203     return TCL_ERROR;
5204   }
5205   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
5206   rc = sqlite3_file_control(db, 0, 0, &iArg);
5207   assert( rc==SQLITE_NOTFOUND );
5208   rc = sqlite3_file_control(db, "notadatabase", SQLITE_FCNTL_LOCKSTATE, &iArg);
5209   assert( rc==SQLITE_ERROR );
5210   rc = sqlite3_file_control(db, "main", -1, &iArg);
5211   assert( rc==SQLITE_NOTFOUND );
5212   rc = sqlite3_file_control(db, "temp", -1, &iArg);
5213   assert( rc==SQLITE_NOTFOUND || rc==SQLITE_ERROR );
5214 
5215   return TCL_OK;
5216 }
5217 
5218 
5219 /*
5220 ** tclcmd:   file_control_lasterrno_test DB
5221 **
5222 ** This TCL command runs the sqlite3_file_control interface and
5223 ** verifies correct operation of the SQLITE_LAST_ERRNO verb.
5224 */
5225 static int file_control_lasterrno_test(
5226   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
5227   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
5228   int objc,              /* Number of arguments */
5229   Tcl_Obj *CONST objv[]  /* Command arguments */
5230 ){
5231   int iArg = 0;
5232   sqlite3 *db;
5233   int rc;
5234 
5235   if( objc!=2 ){
5236     Tcl_AppendResult(interp, "wrong # args: should be \"",
5237         Tcl_GetStringFromObj(objv[0], 0), " DB", 0);
5238     return TCL_ERROR;
5239   }
5240   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ){
5241     return TCL_ERROR;
5242   }
5243   rc = sqlite3_file_control(db, NULL, SQLITE_LAST_ERRNO, &iArg);
5244   if( rc ){
5245     Tcl_SetObjResult(interp, Tcl_NewIntObj(rc));
5246     return TCL_ERROR;
5247   }
5248   if( iArg!=0 ) {
5249     Tcl_AppendResult(interp, "Unexpected non-zero errno: ",
5250                      Tcl_GetStringFromObj(Tcl_NewIntObj(iArg), 0), " ", 0);
5251     return TCL_ERROR;
5252   }
5253   return TCL_OK;
5254 }
5255 
5256 /*
5257 ** tclcmd:   file_control_chunksize_test DB DBNAME SIZE
5258 **
5259 ** This TCL command runs the sqlite3_file_control interface and
5260 ** verifies correct operation of the SQLITE_GET_LOCKPROXYFILE and
5261 ** SQLITE_SET_LOCKPROXYFILE verbs.
5262 */
5263 static int file_control_chunksize_test(
5264   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
5265   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
5266   int objc,              /* Number of arguments */
5267   Tcl_Obj *CONST objv[]  /* Command arguments */
5268 ){
5269   int nSize;                      /* New chunk size */
5270   char *zDb;                      /* Db name ("main", "temp" etc.) */
5271   sqlite3 *db;                    /* Database handle */
5272   int rc;                         /* file_control() return code */
5273 
5274   if( objc!=4 ){
5275     Tcl_WrongNumArgs(interp, 1, objv, "DB DBNAME SIZE");
5276     return TCL_ERROR;
5277   }
5278   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db)
5279    || Tcl_GetIntFromObj(interp, objv[3], &nSize)
5280   ){
5281    return TCL_ERROR;
5282   }
5283   zDb = Tcl_GetString(objv[2]);
5284   if( zDb[0]=='\0' ) zDb = NULL;
5285 
5286   rc = sqlite3_file_control(db, zDb, SQLITE_FCNTL_CHUNK_SIZE, (void *)&nSize);
5287   if( rc ){
5288     Tcl_SetResult(interp, (char *)sqlite3ErrName(rc), TCL_STATIC);
5289     return TCL_ERROR;
5290   }
5291   return TCL_OK;
5292 }
5293 
5294 /*
5295 ** tclcmd:   file_control_sizehint_test DB DBNAME SIZE
5296 **
5297 ** This TCL command runs the sqlite3_file_control interface
5298 ** with SQLITE_FCNTL_SIZE_HINT
5299 */
5300 static int file_control_sizehint_test(
5301   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
5302   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
5303   int objc,              /* Number of arguments */
5304   Tcl_Obj *CONST objv[]  /* Command arguments */
5305 ){
5306   Tcl_WideInt nSize;              /* Hinted size */
5307   char *zDb;                      /* Db name ("main", "temp" etc.) */
5308   sqlite3 *db;                    /* Database handle */
5309   int rc;                         /* file_control() return code */
5310 
5311   if( objc!=4 ){
5312     Tcl_WrongNumArgs(interp, 1, objv, "DB DBNAME SIZE");
5313     return TCL_ERROR;
5314   }
5315   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db)
5316    || Tcl_GetWideIntFromObj(interp, objv[3], &nSize)
5317   ){
5318    return TCL_ERROR;
5319   }
5320   zDb = Tcl_GetString(objv[2]);
5321   if( zDb[0]=='\0' ) zDb = NULL;
5322 
5323   rc = sqlite3_file_control(db, zDb, SQLITE_FCNTL_SIZE_HINT, (void *)&nSize);
5324   if( rc ){
5325     Tcl_SetResult(interp, (char *)sqlite3ErrName(rc), TCL_STATIC);
5326     return TCL_ERROR;
5327   }
5328   return TCL_OK;
5329 }
5330 
5331 /*
5332 ** tclcmd:   file_control_lockproxy_test DB PWD
5333 **
5334 ** This TCL command runs the sqlite3_file_control interface and
5335 ** verifies correct operation of the SQLITE_GET_LOCKPROXYFILE and
5336 ** SQLITE_SET_LOCKPROXYFILE verbs.
5337 */
5338 static int file_control_lockproxy_test(
5339   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
5340   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
5341   int objc,              /* Number of arguments */
5342   Tcl_Obj *CONST objv[]  /* Command arguments */
5343 ){
5344   sqlite3 *db;
5345 
5346   if( objc!=3 ){
5347     Tcl_AppendResult(interp, "wrong # args: should be \"",
5348                      Tcl_GetStringFromObj(objv[0], 0), " DB PWD", 0);
5349     return TCL_ERROR;
5350   }
5351   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ){
5352    return TCL_ERROR;
5353   }
5354 
5355 #if !defined(SQLITE_ENABLE_LOCKING_STYLE)
5356 #  if defined(__APPLE__)
5357 #    define SQLITE_ENABLE_LOCKING_STYLE 1
5358 #  else
5359 #    define SQLITE_ENABLE_LOCKING_STYLE 0
5360 #  endif
5361 #endif
5362 #if SQLITE_ENABLE_LOCKING_STYLE && defined(__APPLE__)
5363   {
5364     char *testPath;
5365     int rc;
5366     int nPwd;
5367     const char *zPwd;
5368     char proxyPath[400];
5369 
5370     zPwd = Tcl_GetStringFromObj(objv[2], &nPwd);
5371     if( sizeof(proxyPath)<nPwd+20 ){
5372       Tcl_AppendResult(interp, "PWD too big", (void*)0);
5373       return TCL_ERROR;
5374     }
5375     sqlite3_snprintf(sizeof(proxyPath), proxyPath, "%s/test.proxy", zPwd);
5376     rc = sqlite3_file_control(db, NULL, SQLITE_SET_LOCKPROXYFILE, proxyPath);
5377     if( rc ){
5378       Tcl_SetObjResult(interp, Tcl_NewIntObj(rc));
5379       return TCL_ERROR;
5380     }
5381     rc = sqlite3_file_control(db, NULL, SQLITE_GET_LOCKPROXYFILE, &testPath);
5382     if( strncmp(proxyPath,testPath,11) ){
5383       Tcl_AppendResult(interp, "Lock proxy file did not match the "
5384                                "previously assigned value", 0);
5385       return TCL_ERROR;
5386     }
5387     if( rc ){
5388       Tcl_SetObjResult(interp, Tcl_NewIntObj(rc));
5389       return TCL_ERROR;
5390     }
5391     rc = sqlite3_file_control(db, NULL, SQLITE_SET_LOCKPROXYFILE, proxyPath);
5392     if( rc ){
5393       Tcl_SetObjResult(interp, Tcl_NewIntObj(rc));
5394       return TCL_ERROR;
5395     }
5396   }
5397 #endif
5398   return TCL_OK;
5399 }
5400 
5401 #if SQLITE_OS_WIN
5402 /*
5403 ** tclcmd:   file_control_win32_av_retry DB  NRETRY  DELAY
5404 **
5405 ** This TCL command runs the sqlite3_file_control interface with
5406 ** the SQLITE_FCNTL_WIN32_AV_RETRY opcode.
5407 */
5408 static int file_control_win32_av_retry(
5409   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
5410   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
5411   int objc,              /* Number of arguments */
5412   Tcl_Obj *CONST objv[]  /* Command arguments */
5413 ){
5414   sqlite3 *db;
5415   int rc;
5416   int a[2];
5417   char z[100];
5418 
5419   if( objc!=4 ){
5420     Tcl_AppendResult(interp, "wrong # args: should be \"",
5421         Tcl_GetStringFromObj(objv[0], 0), " DB NRETRY DELAY", 0);
5422     return TCL_ERROR;
5423   }
5424   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ){
5425     return TCL_ERROR;
5426   }
5427   if( Tcl_GetIntFromObj(interp, objv[2], &a[0]) ) return TCL_ERROR;
5428   if( Tcl_GetIntFromObj(interp, objv[3], &a[1]) ) return TCL_ERROR;
5429   rc = sqlite3_file_control(db, NULL, SQLITE_FCNTL_WIN32_AV_RETRY, (void*)a);
5430   sqlite3_snprintf(sizeof(z), z, "%d %d %d", rc, a[0], a[1]);
5431   Tcl_AppendResult(interp, z, (char*)0);
5432   return TCL_OK;
5433 }
5434 
5435 /*
5436 ** tclcmd:   file_control_win32_set_handle DB HANDLE
5437 **
5438 ** This TCL command runs the sqlite3_file_control interface with
5439 ** the SQLITE_FCNTL_WIN32_SET_HANDLE opcode.
5440 */
5441 static int file_control_win32_set_handle(
5442   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
5443   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
5444   int objc,              /* Number of arguments */
5445   Tcl_Obj *CONST objv[]  /* Command arguments */
5446 ){
5447   sqlite3 *db;
5448   int rc;
5449   HANDLE hFile = NULL;
5450   char z[100];
5451 
5452   if( objc!=3 ){
5453     Tcl_AppendResult(interp, "wrong # args: should be \"",
5454         Tcl_GetStringFromObj(objv[0], 0), " DB HANDLE", 0);
5455     return TCL_ERROR;
5456   }
5457   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ){
5458     return TCL_ERROR;
5459   }
5460   if( getWin32Handle(interp, Tcl_GetString(objv[2]), &hFile) ){
5461     return TCL_ERROR;
5462   }
5463   rc = sqlite3_file_control(db, NULL, SQLITE_FCNTL_WIN32_SET_HANDLE,
5464                             (void*)&hFile);
5465   sqlite3_snprintf(sizeof(z), z, "%d %p", rc, (void*)hFile);
5466   Tcl_AppendResult(interp, z, (char*)0);
5467   return TCL_OK;
5468 }
5469 #endif
5470 
5471 /*
5472 ** tclcmd:   file_control_persist_wal DB PERSIST-FLAG
5473 **
5474 ** This TCL command runs the sqlite3_file_control interface with
5475 ** the SQLITE_FCNTL_PERSIST_WAL opcode.
5476 */
5477 static int file_control_persist_wal(
5478   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
5479   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
5480   int objc,              /* Number of arguments */
5481   Tcl_Obj *CONST objv[]  /* Command arguments */
5482 ){
5483   sqlite3 *db;
5484   int rc;
5485   int bPersist;
5486   char z[100];
5487 
5488   if( objc!=3 ){
5489     Tcl_AppendResult(interp, "wrong # args: should be \"",
5490         Tcl_GetStringFromObj(objv[0], 0), " DB FLAG", 0);
5491     return TCL_ERROR;
5492   }
5493   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ){
5494     return TCL_ERROR;
5495   }
5496   if( Tcl_GetIntFromObj(interp, objv[2], &bPersist) ) return TCL_ERROR;
5497   rc = sqlite3_file_control(db, NULL, SQLITE_FCNTL_PERSIST_WAL, (void*)&bPersist);
5498   sqlite3_snprintf(sizeof(z), z, "%d %d", rc, bPersist);
5499   Tcl_AppendResult(interp, z, (char*)0);
5500   return TCL_OK;
5501 }
5502 
5503 /*
5504 ** tclcmd:   file_control_powersafe_overwrite DB PSOW-FLAG
5505 **
5506 ** This TCL command runs the sqlite3_file_control interface with
5507 ** the SQLITE_FCNTL_POWERSAFE_OVERWRITE opcode.
5508 */
5509 static int file_control_powersafe_overwrite(
5510   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
5511   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
5512   int objc,              /* Number of arguments */
5513   Tcl_Obj *CONST objv[]  /* Command arguments */
5514 ){
5515   sqlite3 *db;
5516   int rc;
5517   int b;
5518   char z[100];
5519 
5520   if( objc!=3 ){
5521     Tcl_AppendResult(interp, "wrong # args: should be \"",
5522         Tcl_GetStringFromObj(objv[0], 0), " DB FLAG", 0);
5523     return TCL_ERROR;
5524   }
5525   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ){
5526     return TCL_ERROR;
5527   }
5528   if( Tcl_GetIntFromObj(interp, objv[2], &b) ) return TCL_ERROR;
5529   rc = sqlite3_file_control(db,NULL,SQLITE_FCNTL_POWERSAFE_OVERWRITE,(void*)&b);
5530   sqlite3_snprintf(sizeof(z), z, "%d %d", rc, b);
5531   Tcl_AppendResult(interp, z, (char*)0);
5532   return TCL_OK;
5533 }
5534 
5535 
5536 /*
5537 ** tclcmd:   file_control_vfsname DB ?AUXDB?
5538 **
5539 ** Return a string that describes the stack of VFSes.
5540 */
5541 static int file_control_vfsname(
5542   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
5543   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
5544   int objc,              /* Number of arguments */
5545   Tcl_Obj *CONST objv[]  /* Command arguments */
5546 ){
5547   sqlite3 *db;
5548   const char *zDbName = "main";
5549   char *zVfsName = 0;
5550 
5551   if( objc!=2 && objc!=3 ){
5552     Tcl_AppendResult(interp, "wrong # args: should be \"",
5553         Tcl_GetStringFromObj(objv[0], 0), " DB ?AUXDB?", 0);
5554     return TCL_ERROR;
5555   }
5556   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ){
5557     return TCL_ERROR;
5558   }
5559   if( objc==3 ){
5560     zDbName = Tcl_GetString(objv[2]);
5561   }
5562   sqlite3_file_control(db, zDbName, SQLITE_FCNTL_VFSNAME,(void*)&zVfsName);
5563   Tcl_AppendResult(interp, zVfsName, (char*)0);
5564   sqlite3_free(zVfsName);
5565   return TCL_OK;
5566 }
5567 
5568 /*
5569 ** tclcmd:   file_control_tempfilename DB ?AUXDB?
5570 **
5571 ** Return a string that is a temporary filename
5572 */
5573 static int file_control_tempfilename(
5574   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
5575   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
5576   int objc,              /* Number of arguments */
5577   Tcl_Obj *CONST objv[]  /* Command arguments */
5578 ){
5579   sqlite3 *db;
5580   const char *zDbName = "main";
5581   char *zTName = 0;
5582 
5583   if( objc!=2 && objc!=3 ){
5584     Tcl_AppendResult(interp, "wrong # args: should be \"",
5585         Tcl_GetStringFromObj(objv[0], 0), " DB ?AUXDB?", 0);
5586     return TCL_ERROR;
5587   }
5588   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ){
5589     return TCL_ERROR;
5590   }
5591   if( objc==3 ){
5592     zDbName = Tcl_GetString(objv[2]);
5593   }
5594   sqlite3_file_control(db, zDbName, SQLITE_FCNTL_TEMPFILENAME, (void*)&zTName);
5595   Tcl_AppendResult(interp, zTName, (char*)0);
5596   sqlite3_free(zTName);
5597   return TCL_OK;
5598 }
5599 
5600 
5601 /*
5602 ** tclcmd:   sqlite3_vfs_list
5603 **
5604 **   Return a tcl list containing the names of all registered vfs's.
5605 */
5606 static int vfs_list(
5607   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
5608   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
5609   int objc,              /* Number of arguments */
5610   Tcl_Obj *CONST objv[]  /* Command arguments */
5611 ){
5612   sqlite3_vfs *pVfs;
5613   Tcl_Obj *pRet = Tcl_NewObj();
5614   if( objc!=1 ){
5615     Tcl_WrongNumArgs(interp, 1, objv, "");
5616     return TCL_ERROR;
5617   }
5618   for(pVfs=sqlite3_vfs_find(0); pVfs; pVfs=pVfs->pNext){
5619     Tcl_ListObjAppendElement(interp, pRet, Tcl_NewStringObj(pVfs->zName, -1));
5620   }
5621   Tcl_SetObjResult(interp, pRet);
5622   return TCL_OK;
5623 }
5624 
5625 /*
5626 ** tclcmd:   sqlite3_limit DB ID VALUE
5627 **
5628 ** This TCL command runs the sqlite3_limit interface and
5629 ** verifies correct operation of the same.
5630 */
5631 static int test_limit(
5632   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
5633   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
5634   int objc,              /* Number of arguments */
5635   Tcl_Obj *CONST objv[]  /* Command arguments */
5636 ){
5637   sqlite3 *db;
5638   int rc;
5639   static const struct {
5640      char *zName;
5641      int id;
5642   } aId[] = {
5643     { "SQLITE_LIMIT_LENGTH",              SQLITE_LIMIT_LENGTH               },
5644     { "SQLITE_LIMIT_SQL_LENGTH",          SQLITE_LIMIT_SQL_LENGTH           },
5645     { "SQLITE_LIMIT_COLUMN",              SQLITE_LIMIT_COLUMN               },
5646     { "SQLITE_LIMIT_EXPR_DEPTH",          SQLITE_LIMIT_EXPR_DEPTH           },
5647     { "SQLITE_LIMIT_COMPOUND_SELECT",     SQLITE_LIMIT_COMPOUND_SELECT      },
5648     { "SQLITE_LIMIT_VDBE_OP",             SQLITE_LIMIT_VDBE_OP              },
5649     { "SQLITE_LIMIT_FUNCTION_ARG",        SQLITE_LIMIT_FUNCTION_ARG         },
5650     { "SQLITE_LIMIT_ATTACHED",            SQLITE_LIMIT_ATTACHED             },
5651     { "SQLITE_LIMIT_LIKE_PATTERN_LENGTH", SQLITE_LIMIT_LIKE_PATTERN_LENGTH  },
5652     { "SQLITE_LIMIT_VARIABLE_NUMBER",     SQLITE_LIMIT_VARIABLE_NUMBER      },
5653     { "SQLITE_LIMIT_TRIGGER_DEPTH",       SQLITE_LIMIT_TRIGGER_DEPTH        },
5654     { "SQLITE_LIMIT_WORKER_THREADS",      SQLITE_LIMIT_WORKER_THREADS       },
5655 
5656     /* Out of range test cases */
5657     { "SQLITE_LIMIT_TOOSMALL",            -1,                               },
5658     { "SQLITE_LIMIT_TOOBIG",              SQLITE_LIMIT_WORKER_THREADS+1     },
5659   };
5660   int i, id = 0;
5661   int val;
5662   const char *zId;
5663 
5664   if( objc!=4 ){
5665     Tcl_AppendResult(interp, "wrong # args: should be \"",
5666         Tcl_GetStringFromObj(objv[0], 0), " DB ID VALUE", 0);
5667     return TCL_ERROR;
5668   }
5669   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
5670   zId = Tcl_GetString(objv[2]);
5671   for(i=0; i<sizeof(aId)/sizeof(aId[0]); i++){
5672     if( strcmp(zId, aId[i].zName)==0 ){
5673       id = aId[i].id;
5674       break;
5675     }
5676   }
5677   if( i>=sizeof(aId)/sizeof(aId[0]) ){
5678     Tcl_AppendResult(interp, "unknown limit type: ", zId, (char*)0);
5679     return TCL_ERROR;
5680   }
5681   if( Tcl_GetIntFromObj(interp, objv[3], &val) ) return TCL_ERROR;
5682   rc = sqlite3_limit(db, id, val);
5683   Tcl_SetObjResult(interp, Tcl_NewIntObj(rc));
5684   return TCL_OK;
5685 }
5686 
5687 /*
5688 ** tclcmd:  save_prng_state
5689 **
5690 ** Save the state of the pseudo-random number generator.
5691 ** At the same time, verify that sqlite3_test_control works even when
5692 ** called with an out-of-range opcode.
5693 */
5694 static int save_prng_state(
5695   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
5696   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
5697   int objc,              /* Number of arguments */
5698   Tcl_Obj *CONST objv[]  /* Command arguments */
5699 ){
5700   int rc = sqlite3_test_control(9999);
5701   assert( rc==0 );
5702   rc = sqlite3_test_control(-1);
5703   assert( rc==0 );
5704   sqlite3_test_control(SQLITE_TESTCTRL_PRNG_SAVE);
5705   return TCL_OK;
5706 }
5707 /*
5708 ** tclcmd:  restore_prng_state
5709 */
5710 static int restore_prng_state(
5711   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
5712   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
5713   int objc,              /* Number of arguments */
5714   Tcl_Obj *CONST objv[]  /* Command arguments */
5715 ){
5716   sqlite3_test_control(SQLITE_TESTCTRL_PRNG_RESTORE);
5717   return TCL_OK;
5718 }
5719 /*
5720 ** tclcmd:  reset_prng_state
5721 */
5722 static int reset_prng_state(
5723   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
5724   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
5725   int objc,              /* Number of arguments */
5726   Tcl_Obj *CONST objv[]  /* Command arguments */
5727 ){
5728   sqlite3_test_control(SQLITE_TESTCTRL_PRNG_RESET);
5729   return TCL_OK;
5730 }
5731 
5732 /*
5733 ** tclcmd:  database_may_be_corrupt
5734 **
5735 ** Indicate that database files might be corrupt.  In other words, set the normal
5736 ** state of operation.
5737 */
5738 static int database_may_be_corrupt(
5739   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
5740   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
5741   int objc,              /* Number of arguments */
5742   Tcl_Obj *CONST objv[]  /* Command arguments */
5743 ){
5744   sqlite3_test_control(SQLITE_TESTCTRL_NEVER_CORRUPT, 0);
5745   return TCL_OK;
5746 }
5747 /*
5748 ** tclcmd:  database_never_corrupt
5749 **
5750 ** Indicate that database files are always well-formed.  This enables extra assert()
5751 ** statements that test conditions that are always true for well-formed databases.
5752 */
5753 static int database_never_corrupt(
5754   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
5755   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
5756   int objc,              /* Number of arguments */
5757   Tcl_Obj *CONST objv[]  /* Command arguments */
5758 ){
5759   sqlite3_test_control(SQLITE_TESTCTRL_NEVER_CORRUPT, 1);
5760   return TCL_OK;
5761 }
5762 
5763 /*
5764 ** tclcmd:  pcache_stats
5765 */
5766 static int test_pcache_stats(
5767   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
5768   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
5769   int objc,              /* Number of arguments */
5770   Tcl_Obj *CONST objv[]  /* Command arguments */
5771 ){
5772   int nMin;
5773   int nMax;
5774   int nCurrent;
5775   int nRecyclable;
5776   Tcl_Obj *pRet;
5777 
5778   sqlite3PcacheStats(&nCurrent, &nMax, &nMin, &nRecyclable);
5779 
5780   pRet = Tcl_NewObj();
5781   Tcl_ListObjAppendElement(interp, pRet, Tcl_NewStringObj("current", -1));
5782   Tcl_ListObjAppendElement(interp, pRet, Tcl_NewIntObj(nCurrent));
5783   Tcl_ListObjAppendElement(interp, pRet, Tcl_NewStringObj("max", -1));
5784   Tcl_ListObjAppendElement(interp, pRet, Tcl_NewIntObj(nMax));
5785   Tcl_ListObjAppendElement(interp, pRet, Tcl_NewStringObj("min", -1));
5786   Tcl_ListObjAppendElement(interp, pRet, Tcl_NewIntObj(nMin));
5787   Tcl_ListObjAppendElement(interp, pRet, Tcl_NewStringObj("recyclable", -1));
5788   Tcl_ListObjAppendElement(interp, pRet, Tcl_NewIntObj(nRecyclable));
5789 
5790   Tcl_SetObjResult(interp, pRet);
5791 
5792   return TCL_OK;
5793 }
5794 
5795 #ifdef SQLITE_ENABLE_UNLOCK_NOTIFY
5796 static void test_unlock_notify_cb(void **aArg, int nArg){
5797   int ii;
5798   for(ii=0; ii<nArg; ii++){
5799     Tcl_EvalEx((Tcl_Interp *)aArg[ii], "unlock_notify", -1, TCL_EVAL_GLOBAL);
5800   }
5801 }
5802 #endif /* SQLITE_ENABLE_UNLOCK_NOTIFY */
5803 
5804 /*
5805 ** tclcmd:  sqlite3_unlock_notify db
5806 */
5807 #ifdef SQLITE_ENABLE_UNLOCK_NOTIFY
5808 static int test_unlock_notify(
5809   ClientData clientData, /* Unused */
5810   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
5811   int objc,              /* Number of arguments */
5812   Tcl_Obj *CONST objv[]  /* Command arguments */
5813 ){
5814   sqlite3 *db;
5815   int rc;
5816 
5817   if( objc!=2 ){
5818     Tcl_WrongNumArgs(interp, 1, objv, "DB");
5819     return TCL_ERROR;
5820   }
5821 
5822   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ){
5823     return TCL_ERROR;
5824   }
5825   rc = sqlite3_unlock_notify(db, test_unlock_notify_cb, (void *)interp);
5826   Tcl_SetResult(interp, (char *)t1ErrorName(rc), TCL_STATIC);
5827   return TCL_OK;
5828 }
5829 #endif
5830 
5831 /*
5832 ** tclcmd:  sqlite3_wal_checkpoint db ?NAME?
5833 */
5834 static int test_wal_checkpoint(
5835   ClientData clientData, /* Unused */
5836   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
5837   int objc,              /* Number of arguments */
5838   Tcl_Obj *CONST objv[]  /* Command arguments */
5839 ){
5840   char *zDb = 0;
5841   sqlite3 *db;
5842   int rc;
5843 
5844   if( objc!=3 && objc!=2 ){
5845     Tcl_WrongNumArgs(interp, 1, objv, "DB ?NAME?");
5846     return TCL_ERROR;
5847   }
5848 
5849   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ){
5850     return TCL_ERROR;
5851   }
5852   if( objc==3 ){
5853     zDb = Tcl_GetString(objv[2]);
5854   }
5855   rc = sqlite3_wal_checkpoint(db, zDb);
5856   Tcl_SetResult(interp, (char *)t1ErrorName(rc), TCL_STATIC);
5857   return TCL_OK;
5858 }
5859 
5860 /*
5861 ** tclcmd:  sqlite3_wal_checkpoint_v2 db MODE ?NAME?
5862 **
5863 ** This command calls the wal_checkpoint_v2() function with the specified
5864 ** mode argument (passive, full or restart). If present, the database name
5865 ** NAME is passed as the second argument to wal_checkpoint_v2(). If it the
5866 ** NAME argument is not present, a NULL pointer is passed instead.
5867 **
5868 ** If wal_checkpoint_v2() returns any value other than SQLITE_BUSY or
5869 ** SQLITE_OK, then this command returns TCL_ERROR. The Tcl result is set
5870 ** to the error message obtained from sqlite3_errmsg().
5871 **
5872 ** Otherwise, this command returns a list of three integers. The first integer
5873 ** is 1 if SQLITE_BUSY was returned, or 0 otherwise. The following two integers
5874 ** are the values returned via the output parameters by wal_checkpoint_v2() -
5875 ** the number of frames in the log and the number of frames in the log
5876 ** that have been checkpointed.
5877 */
5878 static int test_wal_checkpoint_v2(
5879   ClientData clientData, /* Unused */
5880   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
5881   int objc,              /* Number of arguments */
5882   Tcl_Obj *CONST objv[]  /* Command arguments */
5883 ){
5884   char *zDb = 0;
5885   sqlite3 *db;
5886   int rc;
5887 
5888   int eMode;
5889   int nLog = -555;
5890   int nCkpt = -555;
5891   Tcl_Obj *pRet;
5892 
5893   const char * aMode[] = { "passive", "full", "restart", "truncate", 0 };
5894   assert( SQLITE_CHECKPOINT_PASSIVE==0 );
5895   assert( SQLITE_CHECKPOINT_FULL==1 );
5896   assert( SQLITE_CHECKPOINT_RESTART==2 );
5897   assert( SQLITE_CHECKPOINT_TRUNCATE==3 );
5898 
5899   if( objc!=3 && objc!=4 ){
5900     Tcl_WrongNumArgs(interp, 1, objv, "DB MODE ?NAME?");
5901     return TCL_ERROR;
5902   }
5903 
5904   if( objc==4 ){
5905     zDb = Tcl_GetString(objv[3]);
5906   }
5907   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) || (
5908       TCL_OK!=Tcl_GetIntFromObj(0, objv[2], &eMode)
5909    && TCL_OK!=Tcl_GetIndexFromObj(interp, objv[2], aMode, "mode", 0, &eMode)
5910   )){
5911     return TCL_ERROR;
5912   }
5913 
5914   rc = sqlite3_wal_checkpoint_v2(db, zDb, eMode, &nLog, &nCkpt);
5915   if( rc!=SQLITE_OK && rc!=SQLITE_BUSY ){
5916     const char *zErrCode = sqlite3ErrName(rc);
5917     Tcl_ResetResult(interp);
5918     Tcl_AppendResult(interp, zErrCode, " - ", (char *)sqlite3_errmsg(db), 0);
5919     return TCL_ERROR;
5920   }
5921 
5922   pRet = Tcl_NewObj();
5923   Tcl_ListObjAppendElement(interp, pRet, Tcl_NewIntObj(rc==SQLITE_BUSY?1:0));
5924   Tcl_ListObjAppendElement(interp, pRet, Tcl_NewIntObj(nLog));
5925   Tcl_ListObjAppendElement(interp, pRet, Tcl_NewIntObj(nCkpt));
5926   Tcl_SetObjResult(interp, pRet);
5927 
5928   return TCL_OK;
5929 }
5930 
5931 /*
5932 ** tclcmd:  sqlite3_wal_autocheckpoint db VALUE
5933 */
5934 static int test_wal_autocheckpoint(
5935   ClientData clientData, /* Unused */
5936   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
5937   int objc,              /* Number of arguments */
5938   Tcl_Obj *CONST objv[]  /* Command arguments */
5939 ){
5940   sqlite3 *db;
5941   int rc;
5942   int iVal;
5943 
5944 
5945   if( objc!=3 ){
5946     Tcl_WrongNumArgs(interp, 1, objv, "DB VALUE");
5947     return TCL_ERROR;
5948   }
5949 
5950   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db)
5951    || Tcl_GetIntFromObj(0, objv[2], &iVal)
5952   ){
5953     return TCL_ERROR;
5954   }
5955 
5956   rc = sqlite3_wal_autocheckpoint(db, iVal);
5957   Tcl_ResetResult(interp);
5958   if( rc!=SQLITE_OK ){
5959     const char *zErrCode = sqlite3ErrName(rc);
5960     Tcl_SetObjResult(interp, Tcl_NewStringObj(zErrCode, -1));
5961     return TCL_ERROR;
5962   }
5963 
5964   return TCL_OK;
5965 }
5966 
5967 
5968 /*
5969 ** tclcmd:  test_sqlite3_log ?SCRIPT?
5970 */
5971 static struct LogCallback {
5972   Tcl_Interp *pInterp;
5973   Tcl_Obj *pObj;
5974 } logcallback = {0, 0};
5975 static void xLogcallback(void *unused, int err, char *zMsg){
5976   Tcl_Obj *pNew = Tcl_DuplicateObj(logcallback.pObj);
5977   Tcl_IncrRefCount(pNew);
5978   Tcl_ListObjAppendElement(
5979       0, pNew, Tcl_NewStringObj(sqlite3ErrName(err), -1)
5980   );
5981   Tcl_ListObjAppendElement(0, pNew, Tcl_NewStringObj(zMsg, -1));
5982   Tcl_EvalObjEx(logcallback.pInterp, pNew, TCL_EVAL_GLOBAL|TCL_EVAL_DIRECT);
5983   Tcl_DecrRefCount(pNew);
5984 }
5985 static int test_sqlite3_log(
5986   ClientData clientData,
5987   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
5988   int objc,              /* Number of arguments */
5989   Tcl_Obj *CONST objv[]  /* Command arguments */
5990 ){
5991   if( objc>2 ){
5992     Tcl_WrongNumArgs(interp, 1, objv, "SCRIPT");
5993     return TCL_ERROR;
5994   }
5995   if( logcallback.pObj ){
5996     Tcl_DecrRefCount(logcallback.pObj);
5997     logcallback.pObj = 0;
5998     logcallback.pInterp = 0;
5999     sqlite3_config(SQLITE_CONFIG_LOG, (void*)0, (void*)0);
6000   }
6001   if( objc>1 ){
6002     logcallback.pObj = objv[1];
6003     Tcl_IncrRefCount(logcallback.pObj);
6004     logcallback.pInterp = interp;
6005     sqlite3_config(SQLITE_CONFIG_LOG, xLogcallback, (void*)0);
6006   }
6007   return TCL_OK;
6008 }
6009 
6010 /*
6011 **     tcl_objproc COMMANDNAME ARGS...
6012 **
6013 ** Run a TCL command using its objProc interface.  Throw an error if
6014 ** the command has no objProc interface.
6015 */
6016 static int runAsObjProc(
6017   void * clientData,
6018   Tcl_Interp *interp,
6019   int objc,
6020   Tcl_Obj *CONST objv[]
6021 ){
6022   Tcl_CmdInfo cmdInfo;
6023   if( objc<2 ){
6024     Tcl_WrongNumArgs(interp, 1, objv, "COMMAND ...");
6025     return TCL_ERROR;
6026   }
6027   if( !Tcl_GetCommandInfo(interp, Tcl_GetString(objv[1]), &cmdInfo) ){
6028     Tcl_AppendResult(interp, "command not found: ",
6029            Tcl_GetString(objv[1]), (char*)0);
6030     return TCL_ERROR;
6031   }
6032   if( cmdInfo.objProc==0 ){
6033     Tcl_AppendResult(interp, "command has no objProc: ",
6034            Tcl_GetString(objv[1]), (char*)0);
6035     return TCL_ERROR;
6036   }
6037   return cmdInfo.objProc(cmdInfo.objClientData, interp, objc-1, objv+1);
6038 }
6039 
6040 #ifndef SQLITE_OMIT_EXPLAIN
6041 /*
6042 ** WARNING: The following function, printExplainQueryPlan() is an exact
6043 ** copy of example code from eqp.in (eqp.html). If this code is modified,
6044 ** then the documentation copy needs to be modified as well.
6045 */
6046 /*
6047 ** Argument pStmt is a prepared SQL statement. This function compiles
6048 ** an EXPLAIN QUERY PLAN command to report on the prepared statement,
6049 ** and prints the report to stdout using printf().
6050 */
6051 int printExplainQueryPlan(sqlite3_stmt *pStmt){
6052   const char *zSql;               /* Input SQL */
6053   char *zExplain;                 /* SQL with EXPLAIN QUERY PLAN prepended */
6054   sqlite3_stmt *pExplain;         /* Compiled EXPLAIN QUERY PLAN command */
6055   int rc;                         /* Return code from sqlite3_prepare_v2() */
6056 
6057   zSql = sqlite3_sql(pStmt);
6058   if( zSql==0 ) return SQLITE_ERROR;
6059 
6060   zExplain = sqlite3_mprintf("EXPLAIN QUERY PLAN %s", zSql);
6061   if( zExplain==0 ) return SQLITE_NOMEM;
6062 
6063   rc = sqlite3_prepare_v2(sqlite3_db_handle(pStmt), zExplain, -1, &pExplain, 0);
6064   sqlite3_free(zExplain);
6065   if( rc!=SQLITE_OK ) return rc;
6066 
6067   while( SQLITE_ROW==sqlite3_step(pExplain) ){
6068     int iSelectid = sqlite3_column_int(pExplain, 0);
6069     int iOrder = sqlite3_column_int(pExplain, 1);
6070     int iFrom = sqlite3_column_int(pExplain, 2);
6071     const char *zDetail = (const char *)sqlite3_column_text(pExplain, 3);
6072 
6073     printf("%d %d %d %s\n", iSelectid, iOrder, iFrom, zDetail);
6074   }
6075 
6076   return sqlite3_finalize(pExplain);
6077 }
6078 
6079 static int test_print_eqp(
6080   void * clientData,
6081   Tcl_Interp *interp,
6082   int objc,
6083   Tcl_Obj *CONST objv[]
6084 ){
6085   int rc;
6086   sqlite3_stmt *pStmt;
6087 
6088   if( objc!=2 ){
6089     Tcl_WrongNumArgs(interp, 1, objv, "STMT");
6090     return TCL_ERROR;
6091   }
6092   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
6093   rc = printExplainQueryPlan(pStmt);
6094   /* This is needed on Windows so that a test case using this
6095   ** function can open a read pipe and get the output of
6096   ** printExplainQueryPlan() immediately.
6097   */
6098   fflush(stdout);
6099   Tcl_SetResult(interp, (char *)t1ErrorName(rc), 0);
6100   return TCL_OK;
6101 }
6102 #endif /* SQLITE_OMIT_EXPLAIN */
6103 
6104 /*
6105 ** sqlite3_test_control VERB ARGS...
6106 */
6107 static int test_test_control(
6108   void * clientData,
6109   Tcl_Interp *interp,
6110   int objc,
6111   Tcl_Obj *CONST objv[]
6112 ){
6113   struct Verb {
6114     const char *zName;
6115     int i;
6116   } aVerb[] = {
6117     { "SQLITE_TESTCTRL_LOCALTIME_FAULT", SQLITE_TESTCTRL_LOCALTIME_FAULT },
6118     { "SQLITE_TESTCTRL_SORTER_MMAP",     SQLITE_TESTCTRL_SORTER_MMAP     },
6119     { "SQLITE_TESTCTRL_IMPOSTER",        SQLITE_TESTCTRL_IMPOSTER        },
6120   };
6121   int iVerb;
6122   int iFlag;
6123   int rc;
6124 
6125   if( objc<2 ){
6126     Tcl_WrongNumArgs(interp, 1, objv, "VERB ARGS...");
6127     return TCL_ERROR;
6128   }
6129 
6130   rc = Tcl_GetIndexFromObjStruct(
6131       interp, objv[1], aVerb, sizeof(aVerb[0]), "VERB", 0, &iVerb
6132   );
6133   if( rc!=TCL_OK ) return rc;
6134 
6135   iFlag = aVerb[iVerb].i;
6136   switch( iFlag ){
6137     case SQLITE_TESTCTRL_LOCALTIME_FAULT: {
6138       int val;
6139       if( objc!=3 ){
6140         Tcl_WrongNumArgs(interp, 2, objv, "ONOFF");
6141         return TCL_ERROR;
6142       }
6143       if( Tcl_GetBooleanFromObj(interp, objv[2], &val) ) return TCL_ERROR;
6144       sqlite3_test_control(SQLITE_TESTCTRL_LOCALTIME_FAULT, val);
6145       break;
6146     }
6147 
6148     case SQLITE_TESTCTRL_SORTER_MMAP: {
6149       int val;
6150       sqlite3 *db;
6151       if( objc!=4 ){
6152         Tcl_WrongNumArgs(interp, 2, objv, "DB LIMIT");
6153         return TCL_ERROR;
6154       }
6155       if( getDbPointer(interp, Tcl_GetString(objv[2]), &db) ) return TCL_ERROR;
6156       if( Tcl_GetIntFromObj(interp, objv[3], &val) ) return TCL_ERROR;
6157       sqlite3_test_control(SQLITE_TESTCTRL_SORTER_MMAP, db, val);
6158       break;
6159     }
6160 
6161     case SQLITE_TESTCTRL_IMPOSTER: {
6162       int onOff, tnum;
6163       const char *zDbName;
6164       sqlite3 *db;
6165       if( objc!=6 ){
6166         Tcl_WrongNumArgs(interp, 2, objv, "DB dbName onOff tnum");
6167         return TCL_ERROR;
6168       }
6169       if( getDbPointer(interp, Tcl_GetString(objv[2]), &db) ) return TCL_ERROR;
6170       zDbName = Tcl_GetString(objv[3]);
6171       if( Tcl_GetIntFromObj(interp, objv[4], &onOff) ) return TCL_ERROR;
6172       if( Tcl_GetIntFromObj(interp, objv[5], &tnum) ) return TCL_ERROR;
6173       sqlite3_test_control(SQLITE_TESTCTRL_IMPOSTER, db, zDbName, onOff, tnum);
6174       break;
6175     }
6176   }
6177 
6178   Tcl_ResetResult(interp);
6179   return TCL_OK;
6180 }
6181 
6182 #if SQLITE_OS_UNIX
6183 #include <sys/time.h>
6184 #include <sys/resource.h>
6185 
6186 static int test_getrusage(
6187   void * clientData,
6188   Tcl_Interp *interp,
6189   int objc,
6190   Tcl_Obj *CONST objv[]
6191 ){
6192   char buf[1024];
6193   struct rusage r;
6194   memset(&r, 0, sizeof(r));
6195   getrusage(RUSAGE_SELF, &r);
6196 
6197   sqlite3_snprintf(sizeof(buf), buf,
6198     "ru_utime=%d.%06d ru_stime=%d.%06d ru_minflt=%d ru_majflt=%d",
6199     (int)r.ru_utime.tv_sec, (int)r.ru_utime.tv_usec,
6200     (int)r.ru_stime.tv_sec, (int)r.ru_stime.tv_usec,
6201     (int)r.ru_minflt, (int)r.ru_majflt
6202   );
6203   Tcl_SetObjResult(interp, Tcl_NewStringObj(buf, -1));
6204   return TCL_OK;
6205 }
6206 #endif
6207 
6208 #if SQLITE_OS_WIN
6209 /*
6210 ** Information passed from the main thread into the windows file locker
6211 ** background thread.
6212 */
6213 struct win32FileLocker {
6214   char *evName;       /* Name of event to signal thread startup */
6215   HANDLE h;           /* Handle of the file to be locked */
6216   int delay1;         /* Delay before locking */
6217   int delay2;         /* Delay before unlocking */
6218   int ok;             /* Finished ok */
6219   int err;            /* True if an error occurs */
6220 };
6221 #endif
6222 
6223 
6224 #if SQLITE_OS_WIN
6225 #include <process.h>
6226 /*
6227 ** The background thread that does file locking.
6228 */
6229 static void win32_file_locker(void *pAppData){
6230   struct win32FileLocker *p = (struct win32FileLocker*)pAppData;
6231   if( p->evName ){
6232     HANDLE ev = OpenEvent(EVENT_MODIFY_STATE, FALSE, p->evName);
6233     if ( ev ){
6234       SetEvent(ev);
6235       CloseHandle(ev);
6236     }
6237   }
6238   if( p->delay1 ) Sleep(p->delay1);
6239   if( LockFile(p->h, 0, 0, 100000000, 0) ){
6240     Sleep(p->delay2);
6241     UnlockFile(p->h, 0, 0, 100000000, 0);
6242     p->ok = 1;
6243   }else{
6244     p->err = 1;
6245   }
6246   CloseHandle(p->h);
6247   p->h = 0;
6248   p->delay1 = 0;
6249   p->delay2 = 0;
6250 }
6251 #endif
6252 
6253 #if SQLITE_OS_WIN
6254 /*
6255 **      lock_win32_file FILENAME DELAY1 DELAY2
6256 **
6257 ** Get an exclusive manditory lock on file for DELAY2 milliseconds.
6258 ** Wait DELAY1 milliseconds before acquiring the lock.
6259 */
6260 static int win32_file_lock(
6261   void * clientData,
6262   Tcl_Interp *interp,
6263   int objc,
6264   Tcl_Obj *CONST objv[]
6265 ){
6266   static struct win32FileLocker x = { "win32_file_lock", 0, 0, 0, 0, 0 };
6267   const char *zFilename;
6268   char zBuf[200];
6269   int retry = 0;
6270   HANDLE ev;
6271   DWORD wResult;
6272 
6273   if( objc!=4 && objc!=1 ){
6274     Tcl_WrongNumArgs(interp, 1, objv, "FILENAME DELAY1 DELAY2");
6275     return TCL_ERROR;
6276   }
6277   if( objc==1 ){
6278     sqlite3_snprintf(sizeof(zBuf), zBuf, "%d %d %d %d %d",
6279                      x.ok, x.err, x.delay1, x.delay2, x.h);
6280     Tcl_AppendResult(interp, zBuf, (char*)0);
6281     return TCL_OK;
6282   }
6283   while( x.h && retry<30 ){
6284     retry++;
6285     Sleep(100);
6286   }
6287   if( x.h ){
6288     Tcl_AppendResult(interp, "busy", (char*)0);
6289     return TCL_ERROR;
6290   }
6291   if( Tcl_GetIntFromObj(interp, objv[2], &x.delay1) ) return TCL_ERROR;
6292   if( Tcl_GetIntFromObj(interp, objv[3], &x.delay2) ) return TCL_ERROR;
6293   zFilename = Tcl_GetString(objv[1]);
6294   x.h = CreateFile(zFilename, GENERIC_READ|GENERIC_WRITE,
6295               FILE_SHARE_READ|FILE_SHARE_WRITE, 0, OPEN_ALWAYS,
6296               FILE_ATTRIBUTE_NORMAL, 0);
6297   if( !x.h ){
6298     Tcl_AppendResult(interp, "cannot open file: ", zFilename, (char*)0);
6299     return TCL_ERROR;
6300   }
6301   ev = CreateEvent(NULL, TRUE, FALSE, x.evName);
6302   if ( !ev ){
6303     Tcl_AppendResult(interp, "cannot create event: ", x.evName, (char*)0);
6304     return TCL_ERROR;
6305   }
6306   _beginthread(win32_file_locker, 0, (void*)&x);
6307   Sleep(0);
6308   if ( (wResult = WaitForSingleObject(ev, 10000))!=WAIT_OBJECT_0 ){
6309     sqlite3_snprintf(sizeof(zBuf), zBuf, "0x%x", wResult);
6310     Tcl_AppendResult(interp, "wait failed: ", zBuf, (char*)0);
6311     CloseHandle(ev);
6312     return TCL_ERROR;
6313   }
6314   CloseHandle(ev);
6315   return TCL_OK;
6316 }
6317 
6318 /*
6319 **      exists_win32_path PATH
6320 **
6321 ** Returns non-zero if the specified path exists, whose fully qualified name
6322 ** may exceed 260 characters if it is prefixed with "\\?\".
6323 */
6324 static int win32_exists_path(
6325   void *clientData,
6326   Tcl_Interp *interp,
6327   int objc,
6328   Tcl_Obj *CONST objv[]
6329 ){
6330   if( objc!=2 ){
6331     Tcl_WrongNumArgs(interp, 1, objv, "PATH");
6332     return TCL_ERROR;
6333   }
6334   Tcl_SetObjResult(interp, Tcl_NewBooleanObj(
6335       GetFileAttributesW( Tcl_GetUnicode(objv[1]))!=INVALID_FILE_ATTRIBUTES ));
6336   return TCL_OK;
6337 }
6338 
6339 /*
6340 **      find_win32_file PATTERN
6341 **
6342 ** Returns a list of entries in a directory that match the specified pattern,
6343 ** whose fully qualified name may exceed 248 characters if it is prefixed with
6344 ** "\\?\".
6345 */
6346 static int win32_find_file(
6347   void *clientData,
6348   Tcl_Interp *interp,
6349   int objc,
6350   Tcl_Obj *CONST objv[]
6351 ){
6352   HANDLE hFindFile = INVALID_HANDLE_VALUE;
6353   WIN32_FIND_DATAW findData;
6354   Tcl_Obj *listObj;
6355   DWORD lastErrno;
6356   if( objc!=2 ){
6357     Tcl_WrongNumArgs(interp, 1, objv, "PATTERN");
6358     return TCL_ERROR;
6359   }
6360   hFindFile = FindFirstFileW(Tcl_GetUnicode(objv[1]), &findData);
6361   if( hFindFile==INVALID_HANDLE_VALUE ){
6362     Tcl_SetObjResult(interp, Tcl_NewWideIntObj(GetLastError()));
6363     return TCL_ERROR;
6364   }
6365   listObj = Tcl_NewObj();
6366   Tcl_IncrRefCount(listObj);
6367   do {
6368     Tcl_ListObjAppendElement(interp, listObj, Tcl_NewUnicodeObj(
6369         findData.cFileName, -1));
6370     Tcl_ListObjAppendElement(interp, listObj, Tcl_NewWideIntObj(
6371         findData.dwFileAttributes));
6372   } while( FindNextFileW(hFindFile, &findData) );
6373   lastErrno = GetLastError();
6374   if( lastErrno!=NO_ERROR && lastErrno!=ERROR_NO_MORE_FILES ){
6375     FindClose(hFindFile);
6376     Tcl_DecrRefCount(listObj);
6377     Tcl_SetObjResult(interp, Tcl_NewWideIntObj(GetLastError()));
6378     return TCL_ERROR;
6379   }
6380   FindClose(hFindFile);
6381   Tcl_SetObjResult(interp, listObj);
6382   return TCL_OK;
6383 }
6384 
6385 /*
6386 **      delete_win32_file FILENAME
6387 **
6388 ** Deletes the specified file, whose fully qualified name may exceed 260
6389 ** characters if it is prefixed with "\\?\".
6390 */
6391 static int win32_delete_file(
6392   void *clientData,
6393   Tcl_Interp *interp,
6394   int objc,
6395   Tcl_Obj *CONST objv[]
6396 ){
6397   if( objc!=2 ){
6398     Tcl_WrongNumArgs(interp, 1, objv, "FILENAME");
6399     return TCL_ERROR;
6400   }
6401   if( !DeleteFileW(Tcl_GetUnicode(objv[1])) ){
6402     Tcl_SetObjResult(interp, Tcl_NewWideIntObj(GetLastError()));
6403     return TCL_ERROR;
6404   }
6405   Tcl_ResetResult(interp);
6406   return TCL_OK;
6407 }
6408 
6409 /*
6410 **      make_win32_dir DIRECTORY
6411 **
6412 ** Creates the specified directory, whose fully qualified name may exceed 248
6413 ** characters if it is prefixed with "\\?\".
6414 */
6415 static int win32_mkdir(
6416   void *clientData,
6417   Tcl_Interp *interp,
6418   int objc,
6419   Tcl_Obj *CONST objv[]
6420 ){
6421   if( objc!=2 ){
6422     Tcl_WrongNumArgs(interp, 1, objv, "DIRECTORY");
6423     return TCL_ERROR;
6424   }
6425   if( !CreateDirectoryW(Tcl_GetUnicode(objv[1]), NULL) ){
6426     Tcl_SetObjResult(interp, Tcl_NewWideIntObj(GetLastError()));
6427     return TCL_ERROR;
6428   }
6429   Tcl_ResetResult(interp);
6430   return TCL_OK;
6431 }
6432 
6433 /*
6434 **      remove_win32_dir DIRECTORY
6435 **
6436 ** Removes the specified directory, whose fully qualified name may exceed 248
6437 ** characters if it is prefixed with "\\?\".
6438 */
6439 static int win32_rmdir(
6440   void *clientData,
6441   Tcl_Interp *interp,
6442   int objc,
6443   Tcl_Obj *CONST objv[]
6444 ){
6445   if( objc!=2 ){
6446     Tcl_WrongNumArgs(interp, 1, objv, "DIRECTORY");
6447     return TCL_ERROR;
6448   }
6449   if( !RemoveDirectoryW(Tcl_GetUnicode(objv[1])) ){
6450     Tcl_SetObjResult(interp, Tcl_NewWideIntObj(GetLastError()));
6451     return TCL_ERROR;
6452   }
6453   Tcl_ResetResult(interp);
6454   return TCL_OK;
6455 }
6456 #endif
6457 
6458 
6459 /*
6460 **      optimization_control DB OPT BOOLEAN
6461 **
6462 ** Enable or disable query optimizations using the sqlite3_test_control()
6463 ** interface.  Disable if BOOLEAN is false and enable if BOOLEAN is true.
6464 ** OPT is the name of the optimization to be disabled.
6465 */
6466 static int optimization_control(
6467   void * clientData,
6468   Tcl_Interp *interp,
6469   int objc,
6470   Tcl_Obj *CONST objv[]
6471 ){
6472   int i;
6473   sqlite3 *db;
6474   const char *zOpt;
6475   int onoff;
6476   int mask = 0;
6477   static const struct {
6478     const char *zOptName;
6479     int mask;
6480   } aOpt[] = {
6481     { "all",                 SQLITE_AllOpts        },
6482     { "none",                0                     },
6483     { "query-flattener",     SQLITE_QueryFlattener },
6484     { "column-cache",        SQLITE_ColumnCache    },
6485     { "groupby-order",       SQLITE_GroupByOrder   },
6486     { "factor-constants",    SQLITE_FactorOutConst },
6487     { "distinct-opt",        SQLITE_DistinctOpt    },
6488     { "cover-idx-scan",      SQLITE_CoverIdxScan   },
6489     { "order-by-idx-join",   SQLITE_OrderByIdxJoin },
6490     { "transitive",          SQLITE_Transitive     },
6491     { "subquery-coroutine",  SQLITE_SubqCoroutine  },
6492     { "omit-noop-join",      SQLITE_OmitNoopJoin   },
6493     { "stat3",               SQLITE_Stat34         },
6494     { "stat4",               SQLITE_Stat34         },
6495   };
6496 
6497   if( objc!=4 ){
6498     Tcl_WrongNumArgs(interp, 1, objv, "DB OPT BOOLEAN");
6499     return TCL_ERROR;
6500   }
6501   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
6502   if( Tcl_GetBooleanFromObj(interp, objv[3], &onoff) ) return TCL_ERROR;
6503   zOpt = Tcl_GetString(objv[2]);
6504   for(i=0; i<sizeof(aOpt)/sizeof(aOpt[0]); i++){
6505     if( strcmp(zOpt, aOpt[i].zOptName)==0 ){
6506       mask = aOpt[i].mask;
6507       break;
6508     }
6509   }
6510   if( onoff ) mask = ~mask;
6511   if( i>=sizeof(aOpt)/sizeof(aOpt[0]) ){
6512     Tcl_AppendResult(interp, "unknown optimization - should be one of:",
6513                      (char*)0);
6514     for(i=0; i<sizeof(aOpt)/sizeof(aOpt[0]); i++){
6515       Tcl_AppendResult(interp, " ", aOpt[i].zOptName, (char*)0);
6516     }
6517     return TCL_ERROR;
6518   }
6519   sqlite3_test_control(SQLITE_TESTCTRL_OPTIMIZATIONS, db, mask);
6520   return TCL_OK;
6521 }
6522 
6523 typedef struct sqlite3_api_routines sqlite3_api_routines;
6524 /*
6525 **     load_static_extension DB NAME ...
6526 **
6527 ** Load one or more statically linked extensions.
6528 */
6529 static int tclLoadStaticExtensionCmd(
6530   void * clientData,
6531   Tcl_Interp *interp,
6532   int objc,
6533   Tcl_Obj *CONST objv[]
6534 ){
6535   extern int sqlite3_amatch_init(sqlite3*,char**,const sqlite3_api_routines*);
6536   extern int sqlite3_closure_init(sqlite3*,char**,const sqlite3_api_routines*);
6537   extern int sqlite3_eval_init(sqlite3*,char**,const sqlite3_api_routines*);
6538   extern int sqlite3_fileio_init(sqlite3*,char**,const sqlite3_api_routines*);
6539   extern int sqlite3_fuzzer_init(sqlite3*,char**,const sqlite3_api_routines*);
6540   extern int sqlite3_ieee_init(sqlite3*,char**,const sqlite3_api_routines*);
6541   extern int sqlite3_nextchar_init(sqlite3*,char**,const sqlite3_api_routines*);
6542   extern int sqlite3_percentile_init(sqlite3*,char**,const sqlite3_api_routines*);
6543   extern int sqlite3_regexp_init(sqlite3*,char**,const sqlite3_api_routines*);
6544   extern int sqlite3_series_init(sqlite3*,char**,const sqlite3_api_routines*);
6545   extern int sqlite3_spellfix_init(sqlite3*,char**,const sqlite3_api_routines*);
6546   extern int sqlite3_totype_init(sqlite3*,char**,const sqlite3_api_routines*);
6547   extern int sqlite3_wholenumber_init(sqlite3*,char**,const sqlite3_api_routines*);
6548   static const struct {
6549     const char *zExtName;
6550     int (*pInit)(sqlite3*,char**,const sqlite3_api_routines*);
6551   } aExtension[] = {
6552     { "amatch",                sqlite3_amatch_init               },
6553     { "closure",               sqlite3_closure_init              },
6554     { "eval",                  sqlite3_eval_init                 },
6555     { "fileio",                sqlite3_fileio_init               },
6556     { "fuzzer",                sqlite3_fuzzer_init               },
6557     { "ieee754",               sqlite3_ieee_init                 },
6558     { "nextchar",              sqlite3_nextchar_init             },
6559     { "percentile",            sqlite3_percentile_init           },
6560     { "regexp",                sqlite3_regexp_init               },
6561     { "series",                sqlite3_series_init               },
6562     { "spellfix",              sqlite3_spellfix_init             },
6563     { "totype",                sqlite3_totype_init               },
6564     { "wholenumber",           sqlite3_wholenumber_init          },
6565   };
6566   sqlite3 *db;
6567   const char *zName;
6568   int i, j, rc;
6569   char *zErrMsg = 0;
6570   if( objc<3 ){
6571     Tcl_WrongNumArgs(interp, 1, objv, "DB NAME ...");
6572     return TCL_ERROR;
6573   }
6574   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
6575   for(j=2; j<objc; j++){
6576     zName = Tcl_GetString(objv[j]);
6577     for(i=0; i<ArraySize(aExtension); i++){
6578       if( strcmp(zName, aExtension[i].zExtName)==0 ) break;
6579     }
6580     if( i>=ArraySize(aExtension) ){
6581       Tcl_AppendResult(interp, "no such extension: ", zName, (char*)0);
6582       return TCL_ERROR;
6583     }
6584     if( aExtension[i].pInit ){
6585       rc = aExtension[i].pInit(db, &zErrMsg, 0);
6586     }else{
6587       rc = SQLITE_OK;
6588     }
6589     if( rc!=SQLITE_OK || zErrMsg ){
6590       Tcl_AppendResult(interp, "initialization of ", zName, " failed: ", zErrMsg,
6591                        (char*)0);
6592       sqlite3_free(zErrMsg);
6593       return TCL_ERROR;
6594     }
6595   }
6596   return TCL_OK;
6597 }
6598 
6599 /*
6600 **     sorter_test_fakeheap BOOL
6601 **
6602 */
6603 static int sorter_test_fakeheap(
6604   void * clientData,
6605   Tcl_Interp *interp,
6606   int objc,
6607   Tcl_Obj *CONST objv[]
6608 ){
6609   int bArg;
6610   if( objc!=2 ){
6611     Tcl_WrongNumArgs(interp, 1, objv, "BOOL");
6612     return TCL_ERROR;
6613   }
6614 
6615   if( Tcl_GetBooleanFromObj(interp, objv[1], &bArg) ){
6616     return TCL_ERROR;
6617   }
6618 
6619   if( bArg ){
6620     if( sqlite3GlobalConfig.pHeap==0 ){
6621       sqlite3GlobalConfig.pHeap = SQLITE_INT_TO_PTR(-1);
6622     }
6623   }else{
6624     if( sqlite3GlobalConfig.pHeap==SQLITE_INT_TO_PTR(-1) ){
6625       sqlite3GlobalConfig.pHeap = 0;
6626     }
6627   }
6628 
6629   Tcl_ResetResult(interp);
6630   return TCL_OK;
6631 }
6632 
6633 /*
6634 **     sorter_test_sort4_helper DB SQL1 NSTEP SQL2
6635 **
6636 ** Compile SQL statement $SQL1 and step it $NSTEP times. For each row,
6637 ** check that the leftmost and rightmost columns returned are both integers,
6638 ** and that both contain the same value.
6639 **
6640 ** Then execute statement $SQL2. Check that the statement returns the same
6641 ** set of integers in the same order as in the previous step (using $SQL1).
6642 */
6643 static int sorter_test_sort4_helper(
6644   void * clientData,
6645   Tcl_Interp *interp,
6646   int objc,
6647   Tcl_Obj *CONST objv[]
6648 ){
6649   const char *zSql1;
6650   const char *zSql2;
6651   int nStep;
6652   int iStep;
6653   int iCksum1 = 0;
6654   int iCksum2 = 0;
6655   int rc;
6656   int iB;
6657   sqlite3 *db;
6658   sqlite3_stmt *pStmt;
6659 
6660   if( objc!=5 ){
6661     Tcl_WrongNumArgs(interp, 1, objv, "DB SQL1 NSTEP SQL2");
6662     return TCL_ERROR;
6663   }
6664 
6665   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
6666   zSql1 = Tcl_GetString(objv[2]);
6667   if( Tcl_GetIntFromObj(interp, objv[3], &nStep) ) return TCL_ERROR;
6668   zSql2 = Tcl_GetString(objv[4]);
6669 
6670   rc = sqlite3_prepare_v2(db, zSql1, -1, &pStmt, 0);
6671   if( rc!=SQLITE_OK ) goto sql_error;
6672 
6673   iB = sqlite3_column_count(pStmt)-1;
6674   for(iStep=0; iStep<nStep && SQLITE_ROW==sqlite3_step(pStmt); iStep++){
6675     int a = sqlite3_column_int(pStmt, 0);
6676     if( a!=sqlite3_column_int(pStmt, iB) ){
6677       Tcl_AppendResult(interp, "data error: (a!=b)", 0);
6678       return TCL_ERROR;
6679     }
6680 
6681     iCksum1 += (iCksum1 << 3) + a;
6682   }
6683   rc = sqlite3_finalize(pStmt);
6684   if( rc!=SQLITE_OK ) goto sql_error;
6685 
6686   rc = sqlite3_prepare_v2(db, zSql2, -1, &pStmt, 0);
6687   if( rc!=SQLITE_OK ) goto sql_error;
6688   for(iStep=0; SQLITE_ROW==sqlite3_step(pStmt); iStep++){
6689     int a = sqlite3_column_int(pStmt, 0);
6690     iCksum2 += (iCksum2 << 3) + a;
6691   }
6692   rc = sqlite3_finalize(pStmt);
6693   if( rc!=SQLITE_OK ) goto sql_error;
6694 
6695   if( iCksum1!=iCksum2 ){
6696     Tcl_AppendResult(interp, "checksum mismatch", 0);
6697     return TCL_ERROR;
6698   }
6699 
6700   return TCL_OK;
6701  sql_error:
6702   Tcl_AppendResult(interp, "sql error: ", sqlite3_errmsg(db), 0);
6703   return TCL_ERROR;
6704 }
6705 
6706 
6707 #ifdef SQLITE_USER_AUTHENTICATION
6708 #include "sqlite3userauth.h"
6709 /*
6710 ** tclcmd:  sqlite3_user_authenticate DB USERNAME PASSWORD
6711 */
6712 static int test_user_authenticate(
6713   ClientData clientData, /* Unused */
6714   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
6715   int objc,              /* Number of arguments */
6716   Tcl_Obj *CONST objv[]  /* Command arguments */
6717 ){
6718   char *zUser = 0;
6719   char *zPasswd = 0;
6720   int nPasswd = 0;
6721   sqlite3 *db;
6722   int rc;
6723 
6724   if( objc!=4 ){
6725     Tcl_WrongNumArgs(interp, 1, objv, "DB USERNAME PASSWORD");
6726     return TCL_ERROR;
6727   }
6728   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ){
6729     return TCL_ERROR;
6730   }
6731   zUser = Tcl_GetString(objv[2]);
6732   zPasswd = Tcl_GetStringFromObj(objv[3], &nPasswd);
6733   rc = sqlite3_user_authenticate(db, zUser, zPasswd, nPasswd);
6734   Tcl_SetResult(interp, (char *)t1ErrorName(rc), TCL_STATIC);
6735   return TCL_OK;
6736 }
6737 #endif /* SQLITE_USER_AUTHENTICATION */
6738 
6739 #ifdef SQLITE_USER_AUTHENTICATION
6740 /*
6741 ** tclcmd:  sqlite3_user_add DB USERNAME PASSWORD ISADMIN
6742 */
6743 static int test_user_add(
6744   ClientData clientData, /* Unused */
6745   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
6746   int objc,              /* Number of arguments */
6747   Tcl_Obj *CONST objv[]  /* Command arguments */
6748 ){
6749   char *zUser = 0;
6750   char *zPasswd = 0;
6751   int nPasswd = 0;
6752   int isAdmin = 0;
6753   sqlite3 *db;
6754   int rc;
6755 
6756   if( objc!=5 ){
6757     Tcl_WrongNumArgs(interp, 1, objv, "DB USERNAME PASSWORD ISADMIN");
6758     return TCL_ERROR;
6759   }
6760   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ){
6761     return TCL_ERROR;
6762   }
6763   zUser = Tcl_GetString(objv[2]);
6764   zPasswd = Tcl_GetStringFromObj(objv[3], &nPasswd);
6765   Tcl_GetBooleanFromObj(interp, objv[4], &isAdmin);
6766   rc = sqlite3_user_add(db, zUser, zPasswd, nPasswd, isAdmin);
6767   Tcl_SetResult(interp, (char *)t1ErrorName(rc), TCL_STATIC);
6768   return TCL_OK;
6769 }
6770 #endif /* SQLITE_USER_AUTHENTICATION */
6771 
6772 #ifdef SQLITE_USER_AUTHENTICATION
6773 /*
6774 ** tclcmd:  sqlite3_user_change DB USERNAME PASSWORD ISADMIN
6775 */
6776 static int test_user_change(
6777   ClientData clientData, /* Unused */
6778   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
6779   int objc,              /* Number of arguments */
6780   Tcl_Obj *CONST objv[]  /* Command arguments */
6781 ){
6782   char *zUser = 0;
6783   char *zPasswd = 0;
6784   int nPasswd = 0;
6785   int isAdmin = 0;
6786   sqlite3 *db;
6787   int rc;
6788 
6789   if( objc!=5 ){
6790     Tcl_WrongNumArgs(interp, 1, objv, "DB USERNAME PASSWORD ISADMIN");
6791     return TCL_ERROR;
6792   }
6793   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ){
6794     return TCL_ERROR;
6795   }
6796   zUser = Tcl_GetString(objv[2]);
6797   zPasswd = Tcl_GetStringFromObj(objv[3], &nPasswd);
6798   Tcl_GetBooleanFromObj(interp, objv[4], &isAdmin);
6799   rc = sqlite3_user_change(db, zUser, zPasswd, nPasswd, isAdmin);
6800   Tcl_SetResult(interp, (char *)t1ErrorName(rc), TCL_STATIC);
6801   return TCL_OK;
6802 }
6803 #endif /* SQLITE_USER_AUTHENTICATION */
6804 
6805 #ifdef SQLITE_USER_AUTHENTICATION
6806 /*
6807 ** tclcmd:  sqlite3_user_delete DB USERNAME
6808 */
6809 static int test_user_delete(
6810   ClientData clientData, /* Unused */
6811   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
6812   int objc,              /* Number of arguments */
6813   Tcl_Obj *CONST objv[]  /* Command arguments */
6814 ){
6815   char *zUser = 0;
6816   sqlite3 *db;
6817   int rc;
6818 
6819   if( objc!=3 ){
6820     Tcl_WrongNumArgs(interp, 1, objv, "DB USERNAME");
6821     return TCL_ERROR;
6822   }
6823   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ){
6824     return TCL_ERROR;
6825   }
6826   zUser = Tcl_GetString(objv[2]);
6827   rc = sqlite3_user_delete(db, zUser);
6828   Tcl_SetResult(interp, (char *)t1ErrorName(rc), TCL_STATIC);
6829   return TCL_OK;
6830 }
6831 #endif /* SQLITE_USER_AUTHENTICATION */
6832 
6833 /*
6834 ** tclcmd: bad_behavior TYPE
6835 **
6836 ** Do some things that should trigger a valgrind or -fsanitize=undefined
6837 ** warning.  This is used to verify that errors and warnings output by those
6838 ** tools are detected by the test scripts.
6839 **
6840 **       TYPE       BEHAVIOR
6841 **       1          Overflow a signed integer
6842 **       2          Jump based on an uninitialized variable
6843 **       3          Read after free
6844 **       4          Panic
6845 */
6846 static int test_bad_behavior(
6847   ClientData clientData, /* Pointer to an integer containing zero */
6848   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
6849   int objc,              /* Number of arguments */
6850   Tcl_Obj *CONST objv[]  /* Command arguments */
6851 ){
6852   int iType;
6853   int xyz;
6854   int i = *(int*)clientData;
6855   int j;
6856   int w[10];
6857   int *a;
6858   if( objc!=2 ){
6859     Tcl_WrongNumArgs(interp, 1, objv, "TYPE");
6860     return TCL_ERROR;
6861   }
6862   if( Tcl_GetIntFromObj(interp, objv[1], &iType) ) return TCL_ERROR;
6863   switch( iType ){
6864     case 1: {
6865       xyz = 0x7fffff00 - i;
6866       xyz += 0x100;
6867       Tcl_SetObjResult(interp, Tcl_NewIntObj(xyz));
6868       break;
6869     }
6870     case 2: {
6871       w[1] = 5;
6872       if( w[i]>0 ) w[1]++;
6873       Tcl_SetObjResult(interp, Tcl_NewIntObj(w[1]));
6874       break;
6875     }
6876     case 3: {
6877       a = malloc( sizeof(int)*10 );
6878       for(j=0; j<10; j++) a[j] = j;
6879       free(a);
6880       Tcl_SetObjResult(interp, Tcl_NewIntObj(a[i]));
6881       break;
6882     }
6883     case 4: {
6884       Tcl_Panic("Deliberate panic");
6885       break;
6886     }
6887   }
6888   return TCL_OK;
6889 }
6890 
6891 /*
6892 ** tclcmd:   register_dbstat_vtab DB
6893 **
6894 ** Cause the dbstat virtual table to be available on the connection DB
6895 */
6896 static int test_register_dbstat_vtab(
6897   void *clientData,
6898   Tcl_Interp *interp,
6899   int objc,
6900   Tcl_Obj *CONST objv[]
6901 ){
6902 #ifdef SQLITE_OMIT_VIRTUALTABLE
6903   Tcl_AppendResult(interp, "dbstat not available because of "
6904                            "SQLITE_OMIT_VIRTUALTABLE", (void*)0);
6905   return TCL_ERROR;
6906 #else
6907   struct SqliteDb { sqlite3 *db; };
6908   char *zDb;
6909   Tcl_CmdInfo cmdInfo;
6910 
6911   if( objc!=2 ){
6912     Tcl_WrongNumArgs(interp, 1, objv, "DB");
6913     return TCL_ERROR;
6914   }
6915 
6916   zDb = Tcl_GetString(objv[1]);
6917   if( Tcl_GetCommandInfo(interp, zDb, &cmdInfo) ){
6918     sqlite3* db = ((struct SqliteDb*)cmdInfo.objClientData)->db;
6919     sqlite3DbstatRegister(db);
6920   }
6921   return TCL_OK;
6922 #endif /* SQLITE_OMIT_VIRTUALTABLE */
6923 }
6924 
6925 /*
6926 ** tclcmd:   sqlite3_db_config DB SETTING VALUE
6927 **
6928 ** Invoke sqlite3_db_config() for one of the setting values.
6929 */
6930 static int test_sqlite3_db_config(
6931   void *clientData,
6932   Tcl_Interp *interp,
6933   int objc,
6934   Tcl_Obj *CONST objv[]
6935 ){
6936   static const struct {
6937     const char *zName;
6938     int eVal;
6939   } aSetting[] = {
6940     { "FKEY",            SQLITE_DBCONFIG_ENABLE_FKEY },
6941     { "TRIGGER",         SQLITE_DBCONFIG_ENABLE_TRIGGER },
6942     { "FTS3_TOKENIZER",  SQLITE_DBCONFIG_ENABLE_FTS3_TOKENIZER },
6943   };
6944   int i;
6945   int v;
6946   const char *zSetting;
6947   sqlite3 *db;
6948 
6949   if( objc!=4 ){
6950     Tcl_WrongNumArgs(interp, 1, objv, "DB SETTING VALUE");
6951     return TCL_ERROR;
6952   }
6953   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
6954   zSetting = Tcl_GetString(objv[2]);
6955   if( sqlite3_strglob("SQLITE_*", zSetting)==0 ) zSetting += 7;
6956   if( sqlite3_strglob("DBCONFIG_*", zSetting)==0 ) zSetting += 9;
6957   if( sqlite3_strglob("ENABLE_*", zSetting)==0 ) zSetting += 7;
6958   for(i=0; i<ArraySize(aSetting); i++){
6959     if( strcmp(zSetting, aSetting[i].zName)==0 ) break;
6960   }
6961   if( i>=ArraySize(aSetting) ){
6962     Tcl_SetObjResult(interp,
6963       Tcl_NewStringObj("unknown sqlite3_db_config setting", -1));
6964     return TCL_ERROR;
6965   }
6966   if( Tcl_GetIntFromObj(interp, objv[3], &v) ) return TCL_ERROR;
6967   sqlite3_db_config(db, aSetting[i].eVal, v, &v);
6968   Tcl_SetObjResult(interp, Tcl_NewIntObj(v));
6969   return TCL_OK;
6970 }
6971 
6972 /*
6973 ** Register commands with the TCL interpreter.
6974 */
6975 int Sqlitetest1_Init(Tcl_Interp *interp){
6976   extern int sqlite3_search_count;
6977   extern int sqlite3_found_count;
6978   extern int sqlite3_interrupt_count;
6979   extern int sqlite3_open_file_count;
6980   extern int sqlite3_sort_count;
6981   extern int sqlite3_current_time;
6982 #if SQLITE_OS_UNIX && defined(__APPLE__) && SQLITE_ENABLE_LOCKING_STYLE
6983   extern int sqlite3_hostid_num;
6984 #endif
6985   extern int sqlite3_max_blobsize;
6986   extern int sqlite3BtreeSharedCacheReport(void*,
6987                                           Tcl_Interp*,int,Tcl_Obj*CONST*);
6988   static int iZero = 0;
6989   static struct {
6990      char *zName;
6991      Tcl_CmdProc *xProc;
6992   } aCmd[] = {
6993      { "db_enter",                      (Tcl_CmdProc*)db_enter               },
6994      { "db_leave",                      (Tcl_CmdProc*)db_leave               },
6995      { "sqlite3_mprintf_int",           (Tcl_CmdProc*)sqlite3_mprintf_int    },
6996      { "sqlite3_mprintf_int64",         (Tcl_CmdProc*)sqlite3_mprintf_int64  },
6997      { "sqlite3_mprintf_long",          (Tcl_CmdProc*)sqlite3_mprintf_long   },
6998      { "sqlite3_mprintf_str",           (Tcl_CmdProc*)sqlite3_mprintf_str    },
6999      { "sqlite3_snprintf_str",          (Tcl_CmdProc*)sqlite3_snprintf_str   },
7000      { "sqlite3_mprintf_stronly",       (Tcl_CmdProc*)sqlite3_mprintf_stronly},
7001      { "sqlite3_mprintf_double",        (Tcl_CmdProc*)sqlite3_mprintf_double },
7002      { "sqlite3_mprintf_scaled",        (Tcl_CmdProc*)sqlite3_mprintf_scaled },
7003      { "sqlite3_mprintf_hexdouble",   (Tcl_CmdProc*)sqlite3_mprintf_hexdouble},
7004      { "sqlite3_mprintf_z_test",        (Tcl_CmdProc*)test_mprintf_z        },
7005      { "sqlite3_mprintf_n_test",        (Tcl_CmdProc*)test_mprintf_n        },
7006      { "sqlite3_snprintf_int",          (Tcl_CmdProc*)test_snprintf_int     },
7007      { "sqlite3_last_insert_rowid",     (Tcl_CmdProc*)test_last_rowid       },
7008      { "sqlite3_exec_printf",           (Tcl_CmdProc*)test_exec_printf      },
7009      { "sqlite3_exec_hex",              (Tcl_CmdProc*)test_exec_hex         },
7010      { "sqlite3_exec",                  (Tcl_CmdProc*)test_exec             },
7011      { "sqlite3_exec_nr",               (Tcl_CmdProc*)test_exec_nr          },
7012 #ifndef SQLITE_OMIT_GET_TABLE
7013      { "sqlite3_get_table_printf",      (Tcl_CmdProc*)test_get_table_printf },
7014 #endif
7015      { "sqlite3_close",                 (Tcl_CmdProc*)sqlite_test_close     },
7016      { "sqlite3_close_v2",              (Tcl_CmdProc*)sqlite_test_close_v2  },
7017      { "sqlite3_create_function",       (Tcl_CmdProc*)test_create_function  },
7018      { "sqlite3_create_aggregate",      (Tcl_CmdProc*)test_create_aggregate },
7019      { "sqlite_register_test_function", (Tcl_CmdProc*)test_register_func    },
7020      { "sqlite_abort",                  (Tcl_CmdProc*)sqlite_abort          },
7021      { "sqlite_bind",                   (Tcl_CmdProc*)test_bind             },
7022      { "breakpoint",                    (Tcl_CmdProc*)test_breakpoint       },
7023      { "sqlite3_key",                   (Tcl_CmdProc*)test_key              },
7024      { "sqlite3_rekey",                 (Tcl_CmdProc*)test_rekey            },
7025      { "sqlite_set_magic",              (Tcl_CmdProc*)sqlite_set_magic      },
7026      { "sqlite3_interrupt",             (Tcl_CmdProc*)test_interrupt        },
7027      { "sqlite_delete_function",        (Tcl_CmdProc*)delete_function       },
7028      { "sqlite_delete_collation",       (Tcl_CmdProc*)delete_collation      },
7029      { "sqlite3_get_autocommit",        (Tcl_CmdProc*)get_autocommit        },
7030      { "sqlite3_stack_used",            (Tcl_CmdProc*)test_stack_used       },
7031      { "sqlite3_busy_timeout",          (Tcl_CmdProc*)test_busy_timeout     },
7032      { "printf",                        (Tcl_CmdProc*)test_printf           },
7033      { "sqlite3IoTrace",              (Tcl_CmdProc*)test_io_trace         },
7034      { "clang_sanitize_address",        (Tcl_CmdProc*)clang_sanitize_address },
7035   };
7036   static struct {
7037      char *zName;
7038      Tcl_ObjCmdProc *xProc;
7039      void *clientData;
7040   } aObjCmd[] = {
7041      { "sqlite3_db_config",             test_sqlite3_db_config, 0 },
7042      { "bad_behavior",                  test_bad_behavior,  (void*)&iZero },
7043      { "register_dbstat_vtab",          test_register_dbstat_vtab  },
7044      { "sqlite3_connection_pointer",    get_sqlite_pointer, 0 },
7045      { "sqlite3_bind_int",              test_bind_int,      0 },
7046      { "sqlite3_bind_zeroblob",         test_bind_zeroblob, 0 },
7047      { "sqlite3_bind_zeroblob64",       test_bind_zeroblob64, 0 },
7048      { "sqlite3_bind_int64",            test_bind_int64,    0 },
7049      { "sqlite3_bind_double",           test_bind_double,   0 },
7050      { "sqlite3_bind_null",             test_bind_null     ,0 },
7051      { "sqlite3_bind_text",             test_bind_text     ,0 },
7052      { "sqlite3_bind_text16",           test_bind_text16   ,0 },
7053      { "sqlite3_bind_blob",             test_bind_blob     ,0 },
7054      { "sqlite3_bind_parameter_count",  test_bind_parameter_count, 0},
7055      { "sqlite3_bind_parameter_name",   test_bind_parameter_name,  0},
7056      { "sqlite3_bind_parameter_index",  test_bind_parameter_index, 0},
7057      { "sqlite3_clear_bindings",        test_clear_bindings, 0},
7058      { "sqlite3_sleep",                 test_sleep,          0},
7059      { "sqlite3_errcode",               test_errcode       ,0 },
7060      { "sqlite3_extended_errcode",      test_ex_errcode    ,0 },
7061      { "sqlite3_errmsg",                test_errmsg        ,0 },
7062      { "sqlite3_errmsg16",              test_errmsg16      ,0 },
7063      { "sqlite3_open",                  test_open          ,0 },
7064      { "sqlite3_open16",                test_open16        ,0 },
7065      { "sqlite3_open_v2",               test_open_v2       ,0 },
7066      { "sqlite3_complete16",            test_complete16    ,0 },
7067 
7068      { "sqlite3_prepare",               test_prepare       ,0 },
7069      { "sqlite3_prepare16",             test_prepare16     ,0 },
7070      { "sqlite3_prepare_v2",            test_prepare_v2    ,0 },
7071      { "sqlite3_prepare_tkt3134",       test_prepare_tkt3134, 0},
7072      { "sqlite3_prepare16_v2",          test_prepare16_v2  ,0 },
7073      { "sqlite3_finalize",              test_finalize      ,0 },
7074      { "sqlite3_stmt_status",           test_stmt_status   ,0 },
7075      { "sqlite3_reset",                 test_reset         ,0 },
7076      { "sqlite3_expired",               test_expired       ,0 },
7077      { "sqlite3_transfer_bindings",     test_transfer_bind ,0 },
7078      { "sqlite3_changes",               test_changes       ,0 },
7079      { "sqlite3_step",                  test_step          ,0 },
7080      { "sqlite3_sql",                   test_sql           ,0 },
7081      { "sqlite3_next_stmt",             test_next_stmt     ,0 },
7082      { "sqlite3_stmt_readonly",         test_stmt_readonly ,0 },
7083      { "sqlite3_stmt_busy",             test_stmt_busy     ,0 },
7084      { "uses_stmt_journal",             uses_stmt_journal ,0 },
7085 
7086      { "sqlite3_release_memory",        test_release_memory,     0},
7087      { "sqlite3_db_release_memory",     test_db_release_memory,  0},
7088      { "sqlite3_db_cacheflush",         test_db_cacheflush,      0},
7089      { "sqlite3_db_filename",           test_db_filename,        0},
7090      { "sqlite3_db_readonly",           test_db_readonly,        0},
7091      { "sqlite3_soft_heap_limit",       test_soft_heap_limit,    0},
7092      { "sqlite3_thread_cleanup",        test_thread_cleanup,     0},
7093      { "sqlite3_pager_refcounts",       test_pager_refcounts,    0},
7094 
7095      { "sqlite3_load_extension",        test_load_extension,     0},
7096      { "sqlite3_enable_load_extension", test_enable_load,        0},
7097      { "sqlite3_extended_result_codes", test_extended_result_codes, 0},
7098      { "sqlite3_limit",                 test_limit,                 0},
7099 
7100      { "save_prng_state",               save_prng_state,    0 },
7101      { "restore_prng_state",            restore_prng_state, 0 },
7102      { "reset_prng_state",              reset_prng_state,   0 },
7103      { "database_never_corrupt",        database_never_corrupt, 0},
7104      { "database_may_be_corrupt",       database_may_be_corrupt, 0},
7105      { "optimization_control",          optimization_control,0},
7106 #if SQLITE_OS_WIN
7107      { "lock_win32_file",               win32_file_lock,    0 },
7108      { "exists_win32_path",             win32_exists_path,  0 },
7109      { "find_win32_file",               win32_find_file,    0 },
7110      { "delete_win32_file",             win32_delete_file,  0 },
7111      { "make_win32_dir",                win32_mkdir,        0 },
7112      { "remove_win32_dir",              win32_rmdir,        0 },
7113 #endif
7114      { "tcl_objproc",                   runAsObjProc,       0 },
7115 
7116      /* sqlite3_column_*() API */
7117      { "sqlite3_column_count",          test_column_count  ,0 },
7118      { "sqlite3_data_count",            test_data_count    ,0 },
7119      { "sqlite3_column_type",           test_column_type   ,0 },
7120      { "sqlite3_column_blob",           test_column_blob   ,0 },
7121      { "sqlite3_column_double",         test_column_double ,0 },
7122      { "sqlite3_column_int64",          test_column_int64  ,0 },
7123      { "sqlite3_column_text",   test_stmt_utf8,  (void*)sqlite3_column_text },
7124      { "sqlite3_column_name",   test_stmt_utf8,  (void*)sqlite3_column_name },
7125      { "sqlite3_column_int",    test_stmt_int,   (void*)sqlite3_column_int  },
7126      { "sqlite3_column_bytes",  test_stmt_int,   (void*)sqlite3_column_bytes},
7127 #ifndef SQLITE_OMIT_DECLTYPE
7128      { "sqlite3_column_decltype",test_stmt_utf8,(void*)sqlite3_column_decltype},
7129 #endif
7130 #ifdef SQLITE_ENABLE_COLUMN_METADATA
7131 { "sqlite3_column_database_name",test_stmt_utf8,(void*)sqlite3_column_database_name},
7132 { "sqlite3_column_table_name",test_stmt_utf8,(void*)sqlite3_column_table_name},
7133 { "sqlite3_column_origin_name",test_stmt_utf8,(void*)sqlite3_column_origin_name},
7134 #endif
7135 
7136 #ifndef SQLITE_OMIT_UTF16
7137      { "sqlite3_column_bytes16", test_stmt_int, (void*)sqlite3_column_bytes16 },
7138      { "sqlite3_column_text16",  test_stmt_utf16, (void*)sqlite3_column_text16},
7139      { "sqlite3_column_name16",  test_stmt_utf16, (void*)sqlite3_column_name16},
7140      { "add_alignment_test_collations", add_alignment_test_collations, 0      },
7141 #ifndef SQLITE_OMIT_DECLTYPE
7142      { "sqlite3_column_decltype16",test_stmt_utf16,(void*)sqlite3_column_decltype16},
7143 #endif
7144 #ifdef SQLITE_ENABLE_COLUMN_METADATA
7145 {"sqlite3_column_database_name16",
7146   test_stmt_utf16, (void*)sqlite3_column_database_name16},
7147 {"sqlite3_column_table_name16", test_stmt_utf16, (void*)sqlite3_column_table_name16},
7148 {"sqlite3_column_origin_name16", test_stmt_utf16, (void*)sqlite3_column_origin_name16},
7149 #endif
7150 #endif
7151      { "sqlite3_create_collation_v2", test_create_collation_v2, 0 },
7152      { "sqlite3_global_recover",     test_global_recover, 0   },
7153      { "working_64bit_int",          working_64bit_int,   0   },
7154      { "vfs_unlink_test",            vfs_unlink_test,     0   },
7155      { "vfs_initfail_test",          vfs_initfail_test,   0   },
7156      { "vfs_unregister_all",         vfs_unregister_all,  0   },
7157      { "vfs_reregister_all",         vfs_reregister_all,  0   },
7158      { "file_control_test",          file_control_test,   0   },
7159      { "file_control_lasterrno_test", file_control_lasterrno_test,  0   },
7160      { "file_control_lockproxy_test", file_control_lockproxy_test,  0   },
7161      { "file_control_chunksize_test", file_control_chunksize_test,  0   },
7162      { "file_control_sizehint_test",  file_control_sizehint_test,   0   },
7163 #if SQLITE_OS_WIN
7164      { "file_control_win32_av_retry", file_control_win32_av_retry,  0   },
7165      { "file_control_win32_set_handle", file_control_win32_set_handle, 0  },
7166 #endif
7167      { "file_control_persist_wal",    file_control_persist_wal,     0   },
7168      { "file_control_powersafe_overwrite",file_control_powersafe_overwrite,0},
7169      { "file_control_vfsname",        file_control_vfsname,         0   },
7170      { "file_control_tempfilename",   file_control_tempfilename,    0   },
7171      { "sqlite3_vfs_list",           vfs_list,     0   },
7172      { "sqlite3_create_function_v2", test_create_function_v2, 0 },
7173 
7174      /* Functions from os.h */
7175 #ifndef SQLITE_OMIT_UTF16
7176      { "add_test_collate",        test_collate, 0            },
7177      { "add_test_collate_needed", test_collate_needed, 0     },
7178      { "add_test_function",       test_function, 0           },
7179      { "add_test_utf16bin_collate",    test_utf16bin_collate, 0        },
7180 #endif
7181      { "sqlite3_test_errstr",     test_errstr, 0             },
7182      { "tcl_variable_type",       tcl_variable_type, 0       },
7183 #ifndef SQLITE_OMIT_SHARED_CACHE
7184      { "sqlite3_enable_shared_cache", test_enable_shared, 0  },
7185      { "sqlite3_shared_cache_report", sqlite3BtreeSharedCacheReport, 0},
7186 #endif
7187      { "sqlite3_libversion_number", test_libversion_number, 0  },
7188      { "sqlite3_table_column_metadata", test_table_column_metadata, 0  },
7189 #ifndef SQLITE_OMIT_INCRBLOB
7190      { "sqlite3_blob_reopen", test_blob_reopen, 0  },
7191 #endif
7192      { "pcache_stats",       test_pcache_stats, 0  },
7193 #ifdef SQLITE_ENABLE_UNLOCK_NOTIFY
7194      { "sqlite3_unlock_notify", test_unlock_notify, 0  },
7195 #endif
7196      { "sqlite3_wal_checkpoint",   test_wal_checkpoint, 0  },
7197      { "sqlite3_wal_checkpoint_v2",test_wal_checkpoint_v2, 0  },
7198      { "sqlite3_wal_autocheckpoint",test_wal_autocheckpoint, 0  },
7199      { "test_sqlite3_log",         test_sqlite3_log, 0  },
7200 #ifndef SQLITE_OMIT_EXPLAIN
7201      { "print_explain_query_plan", test_print_eqp, 0  },
7202 #endif
7203      { "sqlite3_test_control", test_test_control },
7204 #if SQLITE_OS_UNIX
7205      { "getrusage", test_getrusage },
7206 #endif
7207      { "load_static_extension", tclLoadStaticExtensionCmd },
7208      { "sorter_test_fakeheap", sorter_test_fakeheap },
7209      { "sorter_test_sort4_helper", sorter_test_sort4_helper },
7210 #ifdef SQLITE_USER_AUTHENTICATION
7211      { "sqlite3_user_authenticate", test_user_authenticate, 0 },
7212      { "sqlite3_user_add",          test_user_add,          0 },
7213      { "sqlite3_user_change",       test_user_change,       0 },
7214      { "sqlite3_user_delete",       test_user_delete,       0 },
7215 #endif
7216 #ifdef SQLITE_ENABLE_STMT_SCANSTATUS
7217      { "sqlite3_stmt_scanstatus",       test_stmt_scanstatus,   0 },
7218      { "sqlite3_stmt_scanstatus_reset", test_stmt_scanstatus_reset,   0 },
7219 #endif
7220 #ifdef SQLITE_ENABLE_SQLLOG
7221      { "sqlite3_config_sqllog",         test_config_sqllog,   0 },
7222 #endif
7223      { "vfs_current_time_int64",           vfsCurrentTimeInt64,   0 },
7224 #ifdef SQLITE_ENABLE_SNAPSHOT
7225      { "sqlite3_snapshot_get", test_snapshot_get, 0 },
7226      { "sqlite3_snapshot_open", test_snapshot_open, 0 },
7227      { "sqlite3_snapshot_free", test_snapshot_free, 0 },
7228 #endif
7229   };
7230   static int bitmask_size = sizeof(Bitmask)*8;
7231   static int longdouble_size = sizeof(LONGDOUBLE_TYPE);
7232   int i;
7233   extern int sqlite3_sync_count, sqlite3_fullsync_count;
7234   extern int sqlite3_opentemp_count;
7235   extern int sqlite3_like_count;
7236   extern int sqlite3_xferopt_count;
7237   extern int sqlite3_pager_readdb_count;
7238   extern int sqlite3_pager_writedb_count;
7239   extern int sqlite3_pager_writej_count;
7240 #if SQLITE_OS_WIN
7241   extern LONG volatile sqlite3_os_type;
7242 #endif
7243 #ifdef SQLITE_DEBUG
7244   extern int sqlite3WhereTrace;
7245   extern int sqlite3OSTrace;
7246   extern int sqlite3WalTrace;
7247 #endif
7248 #ifdef SQLITE_TEST
7249 #ifdef SQLITE_ENABLE_FTS3
7250   extern int sqlite3_fts3_enable_parentheses;
7251 #endif
7252 #endif
7253 
7254   for(i=0; i<sizeof(aCmd)/sizeof(aCmd[0]); i++){
7255     Tcl_CreateCommand(interp, aCmd[i].zName, aCmd[i].xProc, 0, 0);
7256   }
7257   for(i=0; i<sizeof(aObjCmd)/sizeof(aObjCmd[0]); i++){
7258     Tcl_CreateObjCommand(interp, aObjCmd[i].zName,
7259         aObjCmd[i].xProc, aObjCmd[i].clientData, 0);
7260   }
7261   Tcl_LinkVar(interp, "sqlite_search_count",
7262       (char*)&sqlite3_search_count, TCL_LINK_INT);
7263   Tcl_LinkVar(interp, "sqlite_found_count",
7264       (char*)&sqlite3_found_count, TCL_LINK_INT);
7265   Tcl_LinkVar(interp, "sqlite_sort_count",
7266       (char*)&sqlite3_sort_count, TCL_LINK_INT);
7267   Tcl_LinkVar(interp, "sqlite3_max_blobsize",
7268       (char*)&sqlite3_max_blobsize, TCL_LINK_INT);
7269   Tcl_LinkVar(interp, "sqlite_like_count",
7270       (char*)&sqlite3_like_count, TCL_LINK_INT);
7271   Tcl_LinkVar(interp, "sqlite_interrupt_count",
7272       (char*)&sqlite3_interrupt_count, TCL_LINK_INT);
7273   Tcl_LinkVar(interp, "sqlite_open_file_count",
7274       (char*)&sqlite3_open_file_count, TCL_LINK_INT);
7275   Tcl_LinkVar(interp, "sqlite_current_time",
7276       (char*)&sqlite3_current_time, TCL_LINK_INT);
7277 #if SQLITE_OS_UNIX && defined(__APPLE__) && SQLITE_ENABLE_LOCKING_STYLE
7278   Tcl_LinkVar(interp, "sqlite_hostid_num",
7279       (char*)&sqlite3_hostid_num, TCL_LINK_INT);
7280 #endif
7281   Tcl_LinkVar(interp, "sqlite3_xferopt_count",
7282       (char*)&sqlite3_xferopt_count, TCL_LINK_INT);
7283   Tcl_LinkVar(interp, "sqlite3_pager_readdb_count",
7284       (char*)&sqlite3_pager_readdb_count, TCL_LINK_INT);
7285   Tcl_LinkVar(interp, "sqlite3_pager_writedb_count",
7286       (char*)&sqlite3_pager_writedb_count, TCL_LINK_INT);
7287   Tcl_LinkVar(interp, "sqlite3_pager_writej_count",
7288       (char*)&sqlite3_pager_writej_count, TCL_LINK_INT);
7289 #ifndef SQLITE_OMIT_UTF16
7290   Tcl_LinkVar(interp, "unaligned_string_counter",
7291       (char*)&unaligned_string_counter, TCL_LINK_INT);
7292 #endif
7293 #ifndef SQLITE_OMIT_UTF16
7294   Tcl_LinkVar(interp, "sqlite_last_needed_collation",
7295       (char*)&pzNeededCollation, TCL_LINK_STRING|TCL_LINK_READ_ONLY);
7296 #endif
7297 #if SQLITE_OS_WIN
7298   Tcl_LinkVar(interp, "sqlite_os_type",
7299       (char*)&sqlite3_os_type, TCL_LINK_LONG);
7300 #endif
7301 #ifdef SQLITE_TEST
7302   {
7303     static const char *query_plan = "*** OBSOLETE VARIABLE ***";
7304     Tcl_LinkVar(interp, "sqlite_query_plan",
7305        (char*)&query_plan, TCL_LINK_STRING|TCL_LINK_READ_ONLY);
7306   }
7307 #endif
7308 #ifdef SQLITE_DEBUG
7309   Tcl_LinkVar(interp, "sqlite_where_trace",
7310       (char*)&sqlite3WhereTrace, TCL_LINK_INT);
7311   Tcl_LinkVar(interp, "sqlite_os_trace",
7312       (char*)&sqlite3OSTrace, TCL_LINK_INT);
7313 #ifndef SQLITE_OMIT_WAL
7314   Tcl_LinkVar(interp, "sqlite_wal_trace",
7315       (char*)&sqlite3WalTrace, TCL_LINK_INT);
7316 #endif
7317 #endif
7318 #ifndef SQLITE_OMIT_DISKIO
7319   Tcl_LinkVar(interp, "sqlite_opentemp_count",
7320       (char*)&sqlite3_opentemp_count, TCL_LINK_INT);
7321 #endif
7322   Tcl_LinkVar(interp, "sqlite_static_bind_value",
7323       (char*)&sqlite_static_bind_value, TCL_LINK_STRING);
7324   Tcl_LinkVar(interp, "sqlite_static_bind_nbyte",
7325       (char*)&sqlite_static_bind_nbyte, TCL_LINK_INT);
7326   Tcl_LinkVar(interp, "sqlite_temp_directory",
7327       (char*)&sqlite3_temp_directory, TCL_LINK_STRING);
7328   Tcl_LinkVar(interp, "sqlite_data_directory",
7329       (char*)&sqlite3_data_directory, TCL_LINK_STRING);
7330   Tcl_LinkVar(interp, "bitmask_size",
7331       (char*)&bitmask_size, TCL_LINK_INT|TCL_LINK_READ_ONLY);
7332   Tcl_LinkVar(interp, "longdouble_size",
7333       (char*)&longdouble_size, TCL_LINK_INT|TCL_LINK_READ_ONLY);
7334   Tcl_LinkVar(interp, "sqlite_sync_count",
7335       (char*)&sqlite3_sync_count, TCL_LINK_INT);
7336   Tcl_LinkVar(interp, "sqlite_fullsync_count",
7337       (char*)&sqlite3_fullsync_count, TCL_LINK_INT);
7338 #if defined(SQLITE_ENABLE_FTS3) && defined(SQLITE_TEST)
7339   Tcl_LinkVar(interp, "sqlite_fts3_enable_parentheses",
7340       (char*)&sqlite3_fts3_enable_parentheses, TCL_LINK_INT);
7341 #endif
7342   return TCL_OK;
7343 }
7344