xref: /sqlite-3.40.0/src/test1.c (revision 78d41832)
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 ** $Id: test1.c,v 1.338 2008/12/17 15:18:18 danielk1977 Exp $
17 */
18 #include "sqliteInt.h"
19 #include "tcl.h"
20 #include <stdlib.h>
21 #include <string.h>
22 
23 /*
24 ** This is a copy of the first part of the SqliteDb structure in
25 ** tclsqlite.c.  We need it here so that the get_sqlite_pointer routine
26 ** can extract the sqlite3* pointer from an existing Tcl SQLite
27 ** connection.
28 */
29 struct SqliteDb {
30   sqlite3 *db;
31 };
32 
33 /*
34 ** Convert text generated by the "%p" conversion format back into
35 ** a pointer.
36 */
37 static int testHexToInt(int h){
38   if( h>='0' && h<='9' ){
39     return h - '0';
40   }else if( h>='a' && h<='f' ){
41     return h - 'a' + 10;
42   }else{
43     assert( h>='A' && h<='F' );
44     return h - 'A' + 10;
45   }
46 }
47 void *sqlite3TestTextToPtr(const char *z){
48   void *p;
49   u64 v;
50   u32 v2;
51   if( z[0]=='0' && z[1]=='x' ){
52     z += 2;
53   }
54   v = 0;
55   while( *z ){
56     v = (v<<4) + testHexToInt(*z);
57     z++;
58   }
59   if( sizeof(p)==sizeof(v) ){
60     memcpy(&p, &v, sizeof(p));
61   }else{
62     assert( sizeof(p)==sizeof(v2) );
63     v2 = (u32)v;
64     memcpy(&p, &v2, sizeof(p));
65   }
66   return p;
67 }
68 
69 
70 /*
71 ** A TCL command that returns the address of the sqlite* pointer
72 ** for an sqlite connection instance.  Bad things happen if the
73 ** input is not an sqlite connection.
74 */
75 static int get_sqlite_pointer(
76   void * clientData,
77   Tcl_Interp *interp,
78   int objc,
79   Tcl_Obj *CONST objv[]
80 ){
81   struct SqliteDb *p;
82   Tcl_CmdInfo cmdInfo;
83   char zBuf[100];
84   if( objc!=2 ){
85     Tcl_WrongNumArgs(interp, 1, objv, "SQLITE-CONNECTION");
86     return TCL_ERROR;
87   }
88   if( !Tcl_GetCommandInfo(interp, Tcl_GetString(objv[1]), &cmdInfo) ){
89     Tcl_AppendResult(interp, "command not found: ",
90            Tcl_GetString(objv[1]), (char*)0);
91     return TCL_ERROR;
92   }
93   p = (struct SqliteDb*)cmdInfo.objClientData;
94   sprintf(zBuf, "%p", p->db);
95   if( strncmp(zBuf,"0x",2) ){
96     sprintf(zBuf, "0x%p", p->db);
97   }
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 
118 const char *sqlite3TestErrorName(int rc){
119   const char *zName = 0;
120   switch( rc ){
121     case SQLITE_OK:                  zName = "SQLITE_OK";                break;
122     case SQLITE_ERROR:               zName = "SQLITE_ERROR";             break;
123     case SQLITE_INTERNAL:            zName = "SQLITE_INTERNAL";          break;
124     case SQLITE_PERM:                zName = "SQLITE_PERM";              break;
125     case SQLITE_ABORT:               zName = "SQLITE_ABORT";             break;
126     case SQLITE_BUSY:                zName = "SQLITE_BUSY";              break;
127     case SQLITE_LOCKED:              zName = "SQLITE_LOCKED";            break;
128     case SQLITE_NOMEM:               zName = "SQLITE_NOMEM";             break;
129     case SQLITE_READONLY:            zName = "SQLITE_READONLY";          break;
130     case SQLITE_INTERRUPT:           zName = "SQLITE_INTERRUPT";         break;
131     case SQLITE_IOERR:               zName = "SQLITE_IOERR";             break;
132     case SQLITE_CORRUPT:             zName = "SQLITE_CORRUPT";           break;
133     case SQLITE_NOTFOUND:            zName = "SQLITE_NOTFOUND";          break;
134     case SQLITE_FULL:                zName = "SQLITE_FULL";              break;
135     case SQLITE_CANTOPEN:            zName = "SQLITE_CANTOPEN";          break;
136     case SQLITE_PROTOCOL:            zName = "SQLITE_PROTOCOL";          break;
137     case SQLITE_EMPTY:               zName = "SQLITE_EMPTY";             break;
138     case SQLITE_SCHEMA:              zName = "SQLITE_SCHEMA";            break;
139     case SQLITE_TOOBIG:              zName = "SQLITE_TOOBIG";            break;
140     case SQLITE_CONSTRAINT:          zName = "SQLITE_CONSTRAINT";        break;
141     case SQLITE_MISMATCH:            zName = "SQLITE_MISMATCH";          break;
142     case SQLITE_MISUSE:              zName = "SQLITE_MISUSE";            break;
143     case SQLITE_NOLFS:               zName = "SQLITE_NOLFS";             break;
144     case SQLITE_AUTH:                zName = "SQLITE_AUTH";              break;
145     case SQLITE_FORMAT:              zName = "SQLITE_FORMAT";            break;
146     case SQLITE_RANGE:               zName = "SQLITE_RANGE";             break;
147     case SQLITE_NOTADB:              zName = "SQLITE_NOTADB";            break;
148     case SQLITE_ROW:                 zName = "SQLITE_ROW";               break;
149     case SQLITE_DONE:                zName = "SQLITE_DONE";              break;
150     case SQLITE_IOERR_READ:          zName = "SQLITE_IOERR_READ";        break;
151     case SQLITE_IOERR_SHORT_READ:    zName = "SQLITE_IOERR_SHORT_READ";  break;
152     case SQLITE_IOERR_WRITE:         zName = "SQLITE_IOERR_WRITE";       break;
153     case SQLITE_IOERR_FSYNC:         zName = "SQLITE_IOERR_FSYNC";       break;
154     case SQLITE_IOERR_DIR_FSYNC:     zName = "SQLITE_IOERR_DIR_FSYNC";   break;
155     case SQLITE_IOERR_TRUNCATE:      zName = "SQLITE_IOERR_TRUNCATE";    break;
156     case SQLITE_IOERR_FSTAT:         zName = "SQLITE_IOERR_FSTAT";       break;
157     case SQLITE_IOERR_UNLOCK:        zName = "SQLITE_IOERR_UNLOCK";      break;
158     case SQLITE_IOERR_RDLOCK:        zName = "SQLITE_IOERR_RDLOCK";      break;
159     case SQLITE_IOERR_DELETE:        zName = "SQLITE_IOERR_DELETE";      break;
160     case SQLITE_IOERR_BLOCKED:       zName = "SQLITE_IOERR_BLOCKED";     break;
161     case SQLITE_IOERR_NOMEM:         zName = "SQLITE_IOERR_NOMEM";       break;
162     case SQLITE_IOERR_ACCESS:        zName = "SQLITE_IOERR_ACCESS";      break;
163     case SQLITE_IOERR_CHECKRESERVEDLOCK:
164                                zName = "SQLITE_IOERR_CHECKRESERVEDLOCK"; break;
165     case SQLITE_IOERR_LOCK:          zName = "SQLITE_IOERR_LOCK";        break;
166     default:                         zName = "SQLITE_Unknown";           break;
167   }
168   return zName;
169 }
170 #define t1ErrorName sqlite3TestErrorName
171 
172 /*
173 ** Convert an sqlite3_stmt* into an sqlite3*.  This depends on the
174 ** fact that the sqlite3* is the first field in the Vdbe structure.
175 */
176 #define StmtToDb(X)   sqlite3_db_handle(X)
177 
178 /*
179 ** Check a return value to make sure it agrees with the results
180 ** from sqlite3_errcode.
181 */
182 int sqlite3TestErrCode(Tcl_Interp *interp, sqlite3 *db, int rc){
183   if( rc!=SQLITE_MISUSE && rc!=SQLITE_OK && sqlite3_errcode(db)!=rc ){
184     char zBuf[200];
185     int r2 = sqlite3_errcode(db);
186     sprintf(zBuf, "error code %s (%d) does not match sqlite3_errcode %s (%d)",
187        t1ErrorName(rc), rc, t1ErrorName(r2), r2);
188     Tcl_ResetResult(interp);
189     Tcl_AppendResult(interp, zBuf, 0);
190     return 1;
191   }
192   return 0;
193 }
194 
195 /*
196 ** Decode a pointer to an sqlite3_stmt object.
197 */
198 static int getStmtPointer(
199   Tcl_Interp *interp,
200   const char *zArg,
201   sqlite3_stmt **ppStmt
202 ){
203   *ppStmt = (sqlite3_stmt*)sqlite3TestTextToPtr(zArg);
204   return TCL_OK;
205 }
206 
207 /*
208 ** Generate a text representation of a pointer that can be understood
209 ** by the getDbPointer and getVmPointer routines above.
210 **
211 ** The problem is, on some machines (Solaris) if you do a printf with
212 ** "%p" you cannot turn around and do a scanf with the same "%p" and
213 ** get your pointer back.  You have to prepend a "0x" before it will
214 ** work.  Or at least that is what is reported to me (drh).  But this
215 ** behavior varies from machine to machine.  The solution used her is
216 ** to test the string right after it is generated to see if it can be
217 ** understood by scanf, and if not, try prepending an "0x" to see if
218 ** that helps.  If nothing works, a fatal error is generated.
219 */
220 int sqlite3TestMakePointerStr(Tcl_Interp *interp, char *zPtr, void *p){
221   sqlite3_snprintf(100, zPtr, "%p", p);
222   return TCL_OK;
223 }
224 
225 /*
226 ** The callback routine for sqlite3_exec_printf().
227 */
228 static int exec_printf_cb(void *pArg, int argc, char **argv, char **name){
229   Tcl_DString *str = (Tcl_DString*)pArg;
230   int i;
231 
232   if( Tcl_DStringLength(str)==0 ){
233     for(i=0; i<argc; i++){
234       Tcl_DStringAppendElement(str, name[i] ? name[i] : "NULL");
235     }
236   }
237   for(i=0; i<argc; i++){
238     Tcl_DStringAppendElement(str, argv[i] ? argv[i] : "NULL");
239   }
240   return 0;
241 }
242 
243 /*
244 ** The I/O tracing callback.
245 */
246 #if !defined(SQLITE_OMIT_TRACE) && defined(SQLITE_ENABLE_IOTRACE)
247 static FILE *iotrace_file = 0;
248 static void io_trace_callback(const char *zFormat, ...){
249   va_list ap;
250   va_start(ap, zFormat);
251   vfprintf(iotrace_file, zFormat, ap);
252   va_end(ap);
253   fflush(iotrace_file);
254 }
255 #endif
256 
257 /*
258 ** Usage:  io_trace FILENAME
259 **
260 ** Turn I/O tracing on or off.  If FILENAME is not an empty string,
261 ** I/O tracing begins going into FILENAME. If FILENAME is an empty
262 ** string, I/O tracing is turned off.
263 */
264 static int test_io_trace(
265   void *NotUsed,
266   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
267   int argc,              /* Number of arguments */
268   char **argv            /* Text of each argument */
269 ){
270 #if !defined(SQLITE_OMIT_TRACE) && defined(SQLITE_ENABLE_IOTRACE)
271   if( argc!=2 ){
272     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
273           " FILENAME\"", 0);
274     return TCL_ERROR;
275   }
276   if( iotrace_file ){
277     if( iotrace_file!=stdout && iotrace_file!=stderr ){
278       fclose(iotrace_file);
279     }
280     iotrace_file = 0;
281     sqlite3IoTrace = 0;
282   }
283   if( argv[1][0] ){
284     if( strcmp(argv[1],"stdout")==0 ){
285       iotrace_file = stdout;
286     }else if( strcmp(argv[1],"stderr")==0 ){
287       iotrace_file = stderr;
288     }else{
289       iotrace_file = fopen(argv[1], "w");
290     }
291     sqlite3IoTrace = io_trace_callback;
292   }
293 #endif
294   return TCL_OK;
295 }
296 
297 
298 /*
299 ** Usage:  sqlite3_exec_printf  DB  FORMAT  STRING
300 **
301 ** Invoke the sqlite3_exec_printf() interface using the open database
302 ** DB.  The SQL is the string FORMAT.  The format string should contain
303 ** one %s or %q.  STRING is the value inserted into %s or %q.
304 */
305 static int test_exec_printf(
306   void *NotUsed,
307   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
308   int argc,              /* Number of arguments */
309   char **argv            /* Text of each argument */
310 ){
311   sqlite3 *db;
312   Tcl_DString str;
313   int rc;
314   char *zErr = 0;
315   char *zSql;
316   char zBuf[30];
317   if( argc!=4 ){
318     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
319        " DB FORMAT STRING", 0);
320     return TCL_ERROR;
321   }
322   if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
323   Tcl_DStringInit(&str);
324   zSql = sqlite3_mprintf(argv[2], argv[3]);
325   rc = sqlite3_exec(db, zSql, exec_printf_cb, &str, &zErr);
326   sqlite3_free(zSql);
327   sprintf(zBuf, "%d", rc);
328   Tcl_AppendElement(interp, zBuf);
329   Tcl_AppendElement(interp, rc==SQLITE_OK ? Tcl_DStringValue(&str) : zErr);
330   Tcl_DStringFree(&str);
331   if( zErr ) sqlite3_free(zErr);
332   if( sqlite3TestErrCode(interp, db, rc) ) return TCL_ERROR;
333   return TCL_OK;
334 }
335 
336 /*
337 ** Usage:  db_enter DB
338 **         db_leave DB
339 **
340 ** Enter or leave the mutex on a database connection.
341 */
342 static int db_enter(
343   void *NotUsed,
344   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
345   int argc,              /* Number of arguments */
346   char **argv            /* Text of each argument */
347 ){
348   sqlite3 *db;
349   if( argc!=2 ){
350     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
351        " DB", 0);
352     return TCL_ERROR;
353   }
354   if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
355   sqlite3_mutex_enter(db->mutex);
356   return TCL_OK;
357 }
358 static int db_leave(
359   void *NotUsed,
360   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
361   int argc,              /* Number of arguments */
362   char **argv            /* Text of each argument */
363 ){
364   sqlite3 *db;
365   if( argc!=2 ){
366     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
367        " DB", 0);
368     return TCL_ERROR;
369   }
370   if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
371   sqlite3_mutex_leave(db->mutex);
372   return TCL_OK;
373 }
374 
375 /*
376 ** Usage:  sqlite3_exec  DB  SQL
377 **
378 ** Invoke the sqlite3_exec interface using the open database DB
379 */
380 static int test_exec(
381   void *NotUsed,
382   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
383   int argc,              /* Number of arguments */
384   char **argv            /* Text of each argument */
385 ){
386   sqlite3 *db;
387   Tcl_DString str;
388   int rc;
389   char *zErr = 0;
390   char *zSql;
391   int i, j;
392   char zBuf[30];
393   if( argc!=3 ){
394     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
395        " DB SQL", 0);
396     return TCL_ERROR;
397   }
398   if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
399   Tcl_DStringInit(&str);
400   zSql = sqlite3_mprintf("%s", argv[2]);
401   for(i=j=0; zSql[i];){
402     if( zSql[i]=='%' ){
403       zSql[j++] = (testHexToInt(zSql[i+1])<<4) + testHexToInt(zSql[i+2]);
404       i += 3;
405     }else{
406       zSql[j++] = zSql[i++];
407     }
408   }
409   zSql[j] = 0;
410   rc = sqlite3_exec(db, zSql, exec_printf_cb, &str, &zErr);
411   sqlite3_free(zSql);
412   sprintf(zBuf, "%d", rc);
413   Tcl_AppendElement(interp, zBuf);
414   Tcl_AppendElement(interp, rc==SQLITE_OK ? Tcl_DStringValue(&str) : zErr);
415   Tcl_DStringFree(&str);
416   if( zErr ) sqlite3_free(zErr);
417   if( sqlite3TestErrCode(interp, db, rc) ) return TCL_ERROR;
418   return TCL_OK;
419 }
420 
421 /*
422 ** Usage:  sqlite3_exec_nr  DB  SQL
423 **
424 ** Invoke the sqlite3_exec interface using the open database DB.  Discard
425 ** all results
426 */
427 static int test_exec_nr(
428   void *NotUsed,
429   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
430   int argc,              /* Number of arguments */
431   char **argv            /* Text of each argument */
432 ){
433   sqlite3 *db;
434   int rc;
435   char *zErr = 0;
436   if( argc!=3 ){
437     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
438        " DB SQL", 0);
439     return TCL_ERROR;
440   }
441   if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
442   rc = sqlite3_exec(db, argv[2], 0, 0, &zErr);
443   if( sqlite3TestErrCode(interp, db, rc) ) return TCL_ERROR;
444   return TCL_OK;
445 }
446 
447 /*
448 ** Usage:  sqlite3_mprintf_z_test  SEPARATOR  ARG0  ARG1 ...
449 **
450 ** Test the %z format of sqliteMPrintf().  Use multiple mprintf() calls to
451 ** concatenate arg0 through argn using separator as the separator.
452 ** Return the result.
453 */
454 static int test_mprintf_z(
455   void *NotUsed,
456   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
457   int argc,              /* Number of arguments */
458   char **argv            /* Text of each argument */
459 ){
460   char *zResult = 0;
461   int i;
462 
463   for(i=2; i<argc && (i==2 || zResult); i++){
464     zResult = sqlite3MPrintf(0, "%z%s%s", zResult, argv[1], argv[i]);
465   }
466   Tcl_AppendResult(interp, zResult, 0);
467   sqlite3_free(zResult);
468   return TCL_OK;
469 }
470 
471 /*
472 ** Usage:  sqlite3_mprintf_n_test  STRING
473 **
474 ** Test the %n format of sqliteMPrintf().  Return the length of the
475 ** input string.
476 */
477 static int test_mprintf_n(
478   void *NotUsed,
479   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
480   int argc,              /* Number of arguments */
481   char **argv            /* Text of each argument */
482 ){
483   char *zStr;
484   int n = 0;
485   zStr = sqlite3MPrintf(0, "%s%n", argv[1], &n);
486   sqlite3_free(zStr);
487   Tcl_SetObjResult(interp, Tcl_NewIntObj(n));
488   return TCL_OK;
489 }
490 
491 /*
492 ** Usage:  sqlite3_snprintf_int  SIZE FORMAT  INT
493 **
494 ** Test the of sqlite3_snprintf() routine.  SIZE is the size of the
495 ** output buffer in bytes.  The maximum size is 100.  FORMAT is the
496 ** format string.  INT is a single integer argument.  The FORMAT
497 ** string must require no more than this one integer argument.  If
498 ** You pass in a format string that requires more than one argument,
499 ** bad things will happen.
500 */
501 static int test_snprintf_int(
502   void *NotUsed,
503   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
504   int argc,              /* Number of arguments */
505   char **argv            /* Text of each argument */
506 ){
507   char zStr[100];
508   int n = atoi(argv[1]);
509   const char *zFormat = argv[2];
510   int a1 = atoi(argv[3]);
511   if( n>sizeof(zStr) ) n = sizeof(zStr);
512   sqlite3_snprintf(sizeof(zStr), zStr, "abcdefghijklmnopqrstuvwxyz");
513   sqlite3_snprintf(n, zStr, zFormat, a1);
514   Tcl_AppendResult(interp, zStr, 0);
515   return TCL_OK;
516 }
517 
518 #ifndef SQLITE_OMIT_GET_TABLE
519 
520 /*
521 ** Usage:  sqlite3_get_table_printf  DB  FORMAT  STRING  ?--no-counts?
522 **
523 ** Invoke the sqlite3_get_table_printf() interface using the open database
524 ** DB.  The SQL is the string FORMAT.  The format string should contain
525 ** one %s or %q.  STRING is the value inserted into %s or %q.
526 */
527 static int test_get_table_printf(
528   void *NotUsed,
529   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
530   int argc,              /* Number of arguments */
531   char **argv            /* Text of each argument */
532 ){
533   sqlite3 *db;
534   Tcl_DString str;
535   int rc;
536   char *zErr = 0;
537   int nRow, nCol;
538   char **aResult;
539   int i;
540   char zBuf[30];
541   char *zSql;
542   int resCount = -1;
543   if( argc==5 ){
544     if( Tcl_GetInt(interp, argv[4], &resCount) ) return TCL_ERROR;
545   }
546   if( argc!=4 && argc!=5 ){
547     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
548        " DB FORMAT STRING ?COUNT?", 0);
549     return TCL_ERROR;
550   }
551   if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
552   Tcl_DStringInit(&str);
553   zSql = sqlite3_mprintf(argv[2],argv[3]);
554   if( argc==5 ){
555     rc = sqlite3_get_table(db, zSql, &aResult, 0, 0, &zErr);
556   }else{
557     rc = sqlite3_get_table(db, zSql, &aResult, &nRow, &nCol, &zErr);
558     resCount = (nRow+1)*nCol;
559   }
560   sqlite3_free(zSql);
561   sprintf(zBuf, "%d", rc);
562   Tcl_AppendElement(interp, zBuf);
563   if( rc==SQLITE_OK ){
564     if( argc==4 ){
565       sprintf(zBuf, "%d", nRow);
566       Tcl_AppendElement(interp, zBuf);
567       sprintf(zBuf, "%d", nCol);
568       Tcl_AppendElement(interp, zBuf);
569     }
570     for(i=0; i<resCount; i++){
571       Tcl_AppendElement(interp, aResult[i] ? aResult[i] : "NULL");
572     }
573   }else{
574     Tcl_AppendElement(interp, zErr);
575   }
576   sqlite3_free_table(aResult);
577   if( zErr ) sqlite3_free(zErr);
578   if( sqlite3TestErrCode(interp, db, rc) ) return TCL_ERROR;
579   return TCL_OK;
580 }
581 
582 #endif /* SQLITE_OMIT_GET_TABLE */
583 
584 
585 /*
586 ** Usage:  sqlite3_last_insert_rowid DB
587 **
588 ** Returns the integer ROWID of the most recent insert.
589 */
590 static int test_last_rowid(
591   void *NotUsed,
592   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
593   int argc,              /* Number of arguments */
594   char **argv            /* Text of each argument */
595 ){
596   sqlite3 *db;
597   char zBuf[30];
598 
599   if( argc!=2 ){
600     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0], " DB\"", 0);
601     return TCL_ERROR;
602   }
603   if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
604   sprintf(zBuf, "%lld", sqlite3_last_insert_rowid(db));
605   Tcl_AppendResult(interp, zBuf, 0);
606   return SQLITE_OK;
607 }
608 
609 /*
610 ** Usage:  sqlite3_key DB KEY
611 **
612 ** Set the codec key.
613 */
614 static int test_key(
615   void *NotUsed,
616   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
617   int argc,              /* Number of arguments */
618   char **argv            /* Text of each argument */
619 ){
620   sqlite3 *db;
621   const char *zKey;
622   int nKey;
623   if( argc!=3 ){
624     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
625        " FILENAME\"", 0);
626     return TCL_ERROR;
627   }
628   if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
629   zKey = argv[2];
630   nKey = strlen(zKey);
631 #ifdef SQLITE_HAS_CODEC
632   sqlite3_key(db, zKey, nKey);
633 #endif
634   return TCL_OK;
635 }
636 
637 /*
638 ** Usage:  sqlite3_rekey DB KEY
639 **
640 ** Change the codec key.
641 */
642 static int test_rekey(
643   void *NotUsed,
644   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
645   int argc,              /* Number of arguments */
646   char **argv            /* Text of each argument */
647 ){
648   sqlite3 *db;
649   const char *zKey;
650   int nKey;
651   if( argc!=3 ){
652     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
653        " FILENAME\"", 0);
654     return TCL_ERROR;
655   }
656   if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
657   zKey = argv[2];
658   nKey = strlen(zKey);
659 #ifdef SQLITE_HAS_CODEC
660   sqlite3_rekey(db, zKey, nKey);
661 #endif
662   return TCL_OK;
663 }
664 
665 /*
666 ** Usage:  sqlite3_close DB
667 **
668 ** Closes the database opened by sqlite3_open.
669 */
670 static int sqlite_test_close(
671   void *NotUsed,
672   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
673   int argc,              /* Number of arguments */
674   char **argv            /* Text of each argument */
675 ){
676   sqlite3 *db;
677   int rc;
678   if( argc!=2 ){
679     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
680        " FILENAME\"", 0);
681     return TCL_ERROR;
682   }
683   if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
684   rc = sqlite3_close(db);
685   Tcl_SetResult(interp, (char *)t1ErrorName(rc), TCL_STATIC);
686   return TCL_OK;
687 }
688 
689 /*
690 ** Implementation of the x_coalesce() function.
691 ** Return the first argument non-NULL argument.
692 */
693 static void t1_ifnullFunc(
694   sqlite3_context *context,
695   int argc,
696   sqlite3_value **argv
697 ){
698   int i;
699   for(i=0; i<argc; i++){
700     if( SQLITE_NULL!=sqlite3_value_type(argv[i]) ){
701       int n = sqlite3_value_bytes(argv[i]);
702       sqlite3_result_text(context, (char*)sqlite3_value_text(argv[i]),
703           n, SQLITE_TRANSIENT);
704       break;
705     }
706   }
707 }
708 
709 /*
710 ** These are test functions.    hex8() interprets its argument as
711 ** UTF8 and returns a hex encoding.  hex16le() interprets its argument
712 ** as UTF16le and returns a hex encoding.
713 */
714 static void hex8Func(sqlite3_context *p, int argc, sqlite3_value **argv){
715   const unsigned char *z;
716   int i;
717   char zBuf[200];
718   z = sqlite3_value_text(argv[0]);
719   for(i=0; i<sizeof(zBuf)/2 - 2 && z[i]; i++){
720     sprintf(&zBuf[i*2], "%02x", z[i]&0xff);
721   }
722   zBuf[i*2] = 0;
723   sqlite3_result_text(p, (char*)zBuf, -1, SQLITE_TRANSIENT);
724 }
725 #ifndef SQLITE_OMIT_UTF16
726 static void hex16Func(sqlite3_context *p, int argc, sqlite3_value **argv){
727   const unsigned short int *z;
728   int i;
729   char zBuf[400];
730   z = sqlite3_value_text16(argv[0]);
731   for(i=0; i<sizeof(zBuf)/4 - 4 && z[i]; i++){
732     sprintf(&zBuf[i*4], "%04x", z[i]&0xff);
733   }
734   zBuf[i*4] = 0;
735   sqlite3_result_text(p, (char*)zBuf, -1, SQLITE_TRANSIENT);
736 }
737 #endif
738 
739 /*
740 ** A structure into which to accumulate text.
741 */
742 struct dstr {
743   int nAlloc;  /* Space allocated */
744   int nUsed;   /* Space used */
745   char *z;     /* The space */
746 };
747 
748 /*
749 ** Append text to a dstr
750 */
751 static void dstrAppend(struct dstr *p, const char *z, int divider){
752   int n = strlen(z);
753   if( p->nUsed + n + 2 > p->nAlloc ){
754     char *zNew;
755     p->nAlloc = p->nAlloc*2 + n + 200;
756     zNew = sqlite3_realloc(p->z, p->nAlloc);
757     if( zNew==0 ){
758       sqlite3_free(p->z);
759       memset(p, 0, sizeof(*p));
760       return;
761     }
762     p->z = zNew;
763   }
764   if( divider && p->nUsed>0 ){
765     p->z[p->nUsed++] = divider;
766   }
767   memcpy(&p->z[p->nUsed], z, n+1);
768   p->nUsed += n;
769 }
770 
771 /*
772 ** Invoked for each callback from sqlite3ExecFunc
773 */
774 static int execFuncCallback(void *pData, int argc, char **argv, char **NotUsed){
775   struct dstr *p = (struct dstr*)pData;
776   int i;
777   for(i=0; i<argc; i++){
778     if( argv[i]==0 ){
779       dstrAppend(p, "NULL", ' ');
780     }else{
781       dstrAppend(p, argv[i], ' ');
782     }
783   }
784   return 0;
785 }
786 
787 /*
788 ** Implementation of the x_sqlite_exec() function.  This function takes
789 ** a single argument and attempts to execute that argument as SQL code.
790 ** This is illegal and should set the SQLITE_MISUSE flag on the database.
791 **
792 ** 2004-Jan-07:  We have changed this to make it legal to call sqlite3_exec()
793 ** from within a function call.
794 **
795 ** This routine simulates the effect of having two threads attempt to
796 ** use the same database at the same time.
797 */
798 static void sqlite3ExecFunc(
799   sqlite3_context *context,
800   int argc,
801   sqlite3_value **argv
802 ){
803   struct dstr x;
804   memset(&x, 0, sizeof(x));
805   (void)sqlite3_exec((sqlite3*)sqlite3_user_data(context),
806       (char*)sqlite3_value_text(argv[0]),
807       execFuncCallback, &x, 0);
808   sqlite3_result_text(context, x.z, x.nUsed, SQLITE_TRANSIENT);
809   sqlite3_free(x.z);
810 }
811 
812 /*
813 ** Implementation of tkt2213func(), a scalar function that takes exactly
814 ** one argument. It has two interesting features:
815 **
816 ** * It calls sqlite3_value_text() 3 times on the argument sqlite3_value*.
817 **   If the three pointers returned are not the same an SQL error is raised.
818 **
819 ** * Otherwise it returns a copy of the text representation of its
820 **   argument in such a way as the VDBE representation is a Mem* cell
821 **   with the MEM_Term flag clear.
822 **
823 ** Ticket #2213 can therefore be tested by evaluating the following
824 ** SQL expression:
825 **
826 **   tkt2213func(tkt2213func('a string'));
827 */
828 static void tkt2213Function(
829   sqlite3_context *context,
830   int argc,
831   sqlite3_value **argv
832 ){
833   int nText;
834   unsigned char const *zText1;
835   unsigned char const *zText2;
836   unsigned char const *zText3;
837 
838   nText = sqlite3_value_bytes(argv[0]);
839   zText1 = sqlite3_value_text(argv[0]);
840   zText2 = sqlite3_value_text(argv[0]);
841   zText3 = sqlite3_value_text(argv[0]);
842 
843   if( zText1!=zText2 || zText2!=zText3 ){
844     sqlite3_result_error(context, "tkt2213 is not fixed", -1);
845   }else{
846     char *zCopy = (char *)sqlite3_malloc(nText);
847     memcpy(zCopy, zText1, nText);
848     sqlite3_result_text(context, zCopy, nText, sqlite3_free);
849   }
850 }
851 
852 /*
853 ** The following SQL function takes 4 arguments.  The 2nd and
854 ** 4th argument must be one of these strings:  'text', 'text16',
855 ** or 'blob' corresponding to API functions
856 **
857 **      sqlite3_value_text()
858 **      sqlite3_value_text16()
859 **      sqlite3_value_blob()
860 **
861 ** The third argument is a string, either 'bytes' or 'bytes16' or 'noop',
862 ** corresponding to APIs:
863 **
864 **      sqlite3_value_bytes()
865 **      sqlite3_value_bytes16()
866 **      noop
867 **
868 ** The APIs designated by the 2nd through 4th arguments are applied
869 ** to the first argument in order.  If the pointers returned by the
870 ** second and fourth are different, this routine returns 1.  Otherwise,
871 ** this routine returns 0.
872 **
873 ** This function is used to test to see when returned pointers from
874 ** the _text(), _text16() and _blob() APIs become invalidated.
875 */
876 static void ptrChngFunction(
877   sqlite3_context *context,
878   int argc,
879   sqlite3_value **argv
880 ){
881   const void *p1, *p2;
882   const char *zCmd;
883   if( argc!=4 ) return;
884   zCmd = (const char*)sqlite3_value_text(argv[1]);
885   if( zCmd==0 ) return;
886   if( strcmp(zCmd,"text")==0 ){
887     p1 = (const void*)sqlite3_value_text(argv[0]);
888 #ifndef SQLITE_OMIT_UTF16
889   }else if( strcmp(zCmd, "text16")==0 ){
890     p1 = (const void*)sqlite3_value_text16(argv[0]);
891 #endif
892   }else if( strcmp(zCmd, "blob")==0 ){
893     p1 = (const void*)sqlite3_value_blob(argv[0]);
894   }else{
895     return;
896   }
897   zCmd = (const char*)sqlite3_value_text(argv[2]);
898   if( zCmd==0 ) return;
899   if( strcmp(zCmd,"bytes")==0 ){
900     sqlite3_value_bytes(argv[0]);
901 #ifndef SQLITE_OMIT_UTF16
902   }else if( strcmp(zCmd, "bytes16")==0 ){
903     sqlite3_value_bytes16(argv[0]);
904 #endif
905   }else if( strcmp(zCmd, "noop")==0 ){
906     /* do nothing */
907   }else{
908     return;
909   }
910   zCmd = (const char*)sqlite3_value_text(argv[3]);
911   if( zCmd==0 ) return;
912   if( strcmp(zCmd,"text")==0 ){
913     p2 = (const void*)sqlite3_value_text(argv[0]);
914 #ifndef SQLITE_OMIT_UTF16
915   }else if( strcmp(zCmd, "text16")==0 ){
916     p2 = (const void*)sqlite3_value_text16(argv[0]);
917 #endif
918   }else if( strcmp(zCmd, "blob")==0 ){
919     p2 = (const void*)sqlite3_value_blob(argv[0]);
920   }else{
921     return;
922   }
923   sqlite3_result_int(context, p1!=p2);
924 }
925 
926 
927 /*
928 ** Usage:  sqlite_test_create_function DB
929 **
930 ** Call the sqlite3_create_function API on the given database in order
931 ** to create a function named "x_coalesce".  This function does the same thing
932 ** as the "coalesce" function.  This function also registers an SQL function
933 ** named "x_sqlite_exec" that invokes sqlite3_exec().  Invoking sqlite3_exec()
934 ** in this way is illegal recursion and should raise an SQLITE_MISUSE error.
935 ** The effect is similar to trying to use the same database connection from
936 ** two threads at the same time.
937 **
938 ** The original motivation for this routine was to be able to call the
939 ** sqlite3_create_function function while a query is in progress in order
940 ** to test the SQLITE_MISUSE detection logic.
941 */
942 static int test_create_function(
943   void *NotUsed,
944   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
945   int argc,              /* Number of arguments */
946   char **argv            /* Text of each argument */
947 ){
948   int rc;
949   sqlite3 *db;
950 
951   if( argc!=2 ){
952     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
953        " DB\"", 0);
954     return TCL_ERROR;
955   }
956   if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
957   rc = sqlite3_create_function(db, "x_coalesce", -1, SQLITE_ANY, 0,
958         t1_ifnullFunc, 0, 0);
959   if( rc==SQLITE_OK ){
960     rc = sqlite3_create_function(db, "hex8", 1, SQLITE_ANY, 0,
961           hex8Func, 0, 0);
962   }
963 #ifndef SQLITE_OMIT_UTF16
964   if( rc==SQLITE_OK ){
965     rc = sqlite3_create_function(db, "hex16", 1, SQLITE_ANY, 0,
966           hex16Func, 0, 0);
967   }
968 #endif
969   if( rc==SQLITE_OK ){
970     rc = sqlite3_create_function(db, "tkt2213func", 1, SQLITE_ANY, 0,
971           tkt2213Function, 0, 0);
972   }
973   if( rc==SQLITE_OK ){
974     rc = sqlite3_create_function(db, "pointer_change", 4, SQLITE_ANY, 0,
975           ptrChngFunction, 0, 0);
976   }
977 
978 #ifndef SQLITE_OMIT_UTF16
979   /* Use the sqlite3_create_function16() API here. Mainly for fun, but also
980   ** because it is not tested anywhere else. */
981   if( rc==SQLITE_OK ){
982     const void *zUtf16;
983     sqlite3_value *pVal;
984     sqlite3_mutex_enter(db->mutex);
985     pVal = sqlite3ValueNew(db);
986     sqlite3ValueSetStr(pVal, -1, "x_sqlite_exec", SQLITE_UTF8, SQLITE_STATIC);
987     zUtf16 = sqlite3ValueText(pVal, SQLITE_UTF16NATIVE);
988     if( db->mallocFailed ){
989       rc = SQLITE_NOMEM;
990     }else{
991       rc = sqlite3_create_function16(db, zUtf16,
992                 1, SQLITE_UTF16, db, sqlite3ExecFunc, 0, 0);
993     }
994     sqlite3ValueFree(pVal);
995     sqlite3_mutex_leave(db->mutex);
996   }
997 #endif
998 
999   if( sqlite3TestErrCode(interp, db, rc) ) return TCL_ERROR;
1000   Tcl_SetResult(interp, (char *)t1ErrorName(rc), 0);
1001   return TCL_OK;
1002 }
1003 
1004 /*
1005 ** Routines to implement the x_count() aggregate function.
1006 **
1007 ** x_count() counts the number of non-null arguments.  But there are
1008 ** some twists for testing purposes.
1009 **
1010 ** If the argument to x_count() is 40 then a UTF-8 error is reported
1011 ** on the step function.  If x_count(41) is seen, then a UTF-16 error
1012 ** is reported on the step function.  If the total count is 42, then
1013 ** a UTF-8 error is reported on the finalize function.
1014 */
1015 typedef struct t1CountCtx t1CountCtx;
1016 struct t1CountCtx {
1017   int n;
1018 };
1019 static void t1CountStep(
1020   sqlite3_context *context,
1021   int argc,
1022   sqlite3_value **argv
1023 ){
1024   t1CountCtx *p;
1025   p = sqlite3_aggregate_context(context, sizeof(*p));
1026   if( (argc==0 || SQLITE_NULL!=sqlite3_value_type(argv[0]) ) && p ){
1027     p->n++;
1028   }
1029   if( argc>0 ){
1030     int v = sqlite3_value_int(argv[0]);
1031     if( v==40 ){
1032       sqlite3_result_error(context, "value of 40 handed to x_count", -1);
1033 #ifndef SQLITE_OMIT_UTF16
1034     }else if( v==41 ){
1035       const char zUtf16ErrMsg[] = { 0, 0x61, 0, 0x62, 0, 0x63, 0, 0, 0};
1036       sqlite3_result_error16(context, &zUtf16ErrMsg[1-SQLITE_BIGENDIAN], -1);
1037 #endif
1038     }
1039   }
1040 }
1041 static void t1CountFinalize(sqlite3_context *context){
1042   t1CountCtx *p;
1043   p = sqlite3_aggregate_context(context, sizeof(*p));
1044   if( p ){
1045     if( p->n==42 ){
1046       sqlite3_result_error(context, "x_count totals to 42", -1);
1047     }else{
1048       sqlite3_result_int(context, p ? p->n : 0);
1049     }
1050   }
1051 }
1052 
1053 static void legacyCountStep(
1054   sqlite3_context *context,
1055   int argc,
1056   sqlite3_value **argv
1057 ){
1058   /* no-op */
1059 }
1060 
1061 #ifndef SQLITE_OMIT_DEPRECATED
1062 static void legacyCountFinalize(sqlite3_context *context){
1063   sqlite3_result_int(context, sqlite3_aggregate_count(context));
1064 }
1065 #endif
1066 
1067 /*
1068 ** Usage:  sqlite3_create_aggregate DB
1069 **
1070 ** Call the sqlite3_create_function API on the given database in order
1071 ** to create a function named "x_count".  This function is similar
1072 ** to the built-in count() function, with a few special quirks
1073 ** for testing the sqlite3_result_error() APIs.
1074 **
1075 ** The original motivation for this routine was to be able to call the
1076 ** sqlite3_create_aggregate function while a query is in progress in order
1077 ** to test the SQLITE_MISUSE detection logic.  See misuse.test.
1078 **
1079 ** This routine was later extended to test the use of sqlite3_result_error()
1080 ** within aggregate functions.
1081 **
1082 ** Later: It is now also extended to register the aggregate function
1083 ** "legacy_count()" with the supplied database handle. This is used
1084 ** to test the deprecated sqlite3_aggregate_count() API.
1085 */
1086 static int test_create_aggregate(
1087   void *NotUsed,
1088   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
1089   int argc,              /* Number of arguments */
1090   char **argv            /* Text of each argument */
1091 ){
1092   sqlite3 *db;
1093   int rc;
1094   if( argc!=2 ){
1095     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
1096        " FILENAME\"", 0);
1097     return TCL_ERROR;
1098   }
1099   if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
1100   rc = sqlite3_create_function(db, "x_count", 0, SQLITE_UTF8, 0, 0,
1101       t1CountStep,t1CountFinalize);
1102   if( rc==SQLITE_OK ){
1103     rc = sqlite3_create_function(db, "x_count", 1, SQLITE_UTF8, 0, 0,
1104         t1CountStep,t1CountFinalize);
1105   }
1106 #ifndef SQLITE_OMIT_DEPRECATED
1107   if( rc==SQLITE_OK ){
1108     rc = sqlite3_create_function(db, "legacy_count", 0, SQLITE_ANY, 0, 0,
1109         legacyCountStep, legacyCountFinalize
1110     );
1111   }
1112 #endif
1113   if( sqlite3TestErrCode(interp, db, rc) ) return TCL_ERROR;
1114   Tcl_SetResult(interp, (char *)t1ErrorName(rc), 0);
1115   return TCL_OK;
1116 }
1117 
1118 
1119 /*
1120 ** Usage:  printf TEXT
1121 **
1122 ** Send output to printf.  Use this rather than puts to merge the output
1123 ** in the correct sequence with debugging printfs inserted into C code.
1124 ** Puts uses a separate buffer and debugging statements will be out of
1125 ** sequence if it is used.
1126 */
1127 static int test_printf(
1128   void *NotUsed,
1129   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
1130   int argc,              /* Number of arguments */
1131   char **argv            /* Text of each argument */
1132 ){
1133   if( argc!=2 ){
1134     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
1135        " TEXT\"", 0);
1136     return TCL_ERROR;
1137   }
1138   printf("%s\n", argv[1]);
1139   return TCL_OK;
1140 }
1141 
1142 
1143 
1144 /*
1145 ** Usage:  sqlite3_mprintf_int FORMAT INTEGER INTEGER INTEGER
1146 **
1147 ** Call mprintf with three integer arguments
1148 */
1149 static int sqlite3_mprintf_int(
1150   void *NotUsed,
1151   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
1152   int argc,              /* Number of arguments */
1153   char **argv            /* Text of each argument */
1154 ){
1155   int a[3], i;
1156   char *z;
1157   if( argc!=5 ){
1158     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
1159        " FORMAT INT INT INT\"", 0);
1160     return TCL_ERROR;
1161   }
1162   for(i=2; i<5; i++){
1163     if( Tcl_GetInt(interp, argv[i], &a[i-2]) ) return TCL_ERROR;
1164   }
1165   z = sqlite3_mprintf(argv[1], a[0], a[1], a[2]);
1166   Tcl_AppendResult(interp, z, 0);
1167   sqlite3_free(z);
1168   return TCL_OK;
1169 }
1170 
1171 /*
1172 ** If zNum represents an integer that will fit in 64-bits, then set
1173 ** *pValue to that integer and return true.  Otherwise return false.
1174 */
1175 static int sqlite3GetInt64(const char *zNum, i64 *pValue){
1176   if( sqlite3FitsIn64Bits(zNum, 0) ){
1177     sqlite3Atoi64(zNum, pValue);
1178     return 1;
1179   }
1180   return 0;
1181 }
1182 
1183 /*
1184 ** Usage:  sqlite3_mprintf_int64 FORMAT INTEGER INTEGER INTEGER
1185 **
1186 ** Call mprintf with three 64-bit integer arguments
1187 */
1188 static int sqlite3_mprintf_int64(
1189   void *NotUsed,
1190   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
1191   int argc,              /* Number of arguments */
1192   char **argv            /* Text of each argument */
1193 ){
1194   int i;
1195   sqlite_int64 a[3];
1196   char *z;
1197   if( argc!=5 ){
1198     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
1199        " FORMAT INT INT INT\"", 0);
1200     return TCL_ERROR;
1201   }
1202   for(i=2; i<5; i++){
1203     if( !sqlite3GetInt64(argv[i], &a[i-2]) ){
1204       Tcl_AppendResult(interp, "argument is not a valid 64-bit integer", 0);
1205       return TCL_ERROR;
1206     }
1207   }
1208   z = sqlite3_mprintf(argv[1], a[0], a[1], a[2]);
1209   Tcl_AppendResult(interp, z, 0);
1210   sqlite3_free(z);
1211   return TCL_OK;
1212 }
1213 
1214 /*
1215 ** Usage:  sqlite3_mprintf_str FORMAT INTEGER INTEGER STRING
1216 **
1217 ** Call mprintf with two integer arguments and one string argument
1218 */
1219 static int sqlite3_mprintf_str(
1220   void *NotUsed,
1221   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
1222   int argc,              /* Number of arguments */
1223   char **argv            /* Text of each argument */
1224 ){
1225   int a[3], i;
1226   char *z;
1227   if( argc<4 || argc>5 ){
1228     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
1229        " FORMAT INT INT ?STRING?\"", 0);
1230     return TCL_ERROR;
1231   }
1232   for(i=2; i<4; i++){
1233     if( Tcl_GetInt(interp, argv[i], &a[i-2]) ) return TCL_ERROR;
1234   }
1235   z = sqlite3_mprintf(argv[1], a[0], a[1], argc>4 ? argv[4] : NULL);
1236   Tcl_AppendResult(interp, z, 0);
1237   sqlite3_free(z);
1238   return TCL_OK;
1239 }
1240 
1241 /*
1242 ** Usage:  sqlite3_snprintf_str INTEGER FORMAT INTEGER INTEGER STRING
1243 **
1244 ** Call mprintf with two integer arguments and one string argument
1245 */
1246 static int sqlite3_snprintf_str(
1247   void *NotUsed,
1248   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
1249   int argc,              /* Number of arguments */
1250   char **argv            /* Text of each argument */
1251 ){
1252   int a[3], i;
1253   int n;
1254   char *z;
1255   if( argc<5 || argc>6 ){
1256     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
1257        " INT FORMAT INT INT ?STRING?\"", 0);
1258     return TCL_ERROR;
1259   }
1260   if( Tcl_GetInt(interp, argv[1], &n) ) return TCL_ERROR;
1261   if( n<0 ){
1262     Tcl_AppendResult(interp, "N must be non-negative", 0);
1263     return TCL_ERROR;
1264   }
1265   for(i=3; i<5; i++){
1266     if( Tcl_GetInt(interp, argv[i], &a[i-3]) ) return TCL_ERROR;
1267   }
1268   z = sqlite3_malloc( n+1 );
1269   sqlite3_snprintf(n, z, argv[2], a[0], a[1], argc>4 ? argv[5] : NULL);
1270   Tcl_AppendResult(interp, z, 0);
1271   sqlite3_free(z);
1272   return TCL_OK;
1273 }
1274 
1275 /*
1276 ** Usage:  sqlite3_mprintf_double FORMAT INTEGER INTEGER DOUBLE
1277 **
1278 ** Call mprintf with two integer arguments and one double argument
1279 */
1280 static int sqlite3_mprintf_double(
1281   void *NotUsed,
1282   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
1283   int argc,              /* Number of arguments */
1284   char **argv            /* Text of each argument */
1285 ){
1286   int a[3], i;
1287   double r;
1288   char *z;
1289   if( argc!=5 ){
1290     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
1291        " FORMAT INT INT DOUBLE\"", 0);
1292     return TCL_ERROR;
1293   }
1294   for(i=2; i<4; i++){
1295     if( Tcl_GetInt(interp, argv[i], &a[i-2]) ) return TCL_ERROR;
1296   }
1297   if( Tcl_GetDouble(interp, argv[4], &r) ) return TCL_ERROR;
1298   z = sqlite3_mprintf(argv[1], a[0], a[1], r);
1299   Tcl_AppendResult(interp, z, 0);
1300   sqlite3_free(z);
1301   return TCL_OK;
1302 }
1303 
1304 /*
1305 ** Usage:  sqlite3_mprintf_scaled FORMAT DOUBLE DOUBLE
1306 **
1307 ** Call mprintf with a single double argument which is the product of the
1308 ** two arguments given above.  This is used to generate overflow and underflow
1309 ** doubles to test that they are converted properly.
1310 */
1311 static int sqlite3_mprintf_scaled(
1312   void *NotUsed,
1313   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
1314   int argc,              /* Number of arguments */
1315   char **argv            /* Text of each argument */
1316 ){
1317   int i;
1318   double r[2];
1319   char *z;
1320   if( argc!=4 ){
1321     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
1322        " FORMAT DOUBLE DOUBLE\"", 0);
1323     return TCL_ERROR;
1324   }
1325   for(i=2; i<4; i++){
1326     if( Tcl_GetDouble(interp, argv[i], &r[i-2]) ) return TCL_ERROR;
1327   }
1328   z = sqlite3_mprintf(argv[1], r[0]*r[1]);
1329   Tcl_AppendResult(interp, z, 0);
1330   sqlite3_free(z);
1331   return TCL_OK;
1332 }
1333 
1334 /*
1335 ** Usage:  sqlite3_mprintf_stronly FORMAT STRING
1336 **
1337 ** Call mprintf with a single double argument which is the product of the
1338 ** two arguments given above.  This is used to generate overflow and underflow
1339 ** doubles to test that they are converted properly.
1340 */
1341 static int sqlite3_mprintf_stronly(
1342   void *NotUsed,
1343   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
1344   int argc,              /* Number of arguments */
1345   char **argv            /* Text of each argument */
1346 ){
1347   char *z;
1348   if( argc!=3 ){
1349     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
1350        " FORMAT STRING\"", 0);
1351     return TCL_ERROR;
1352   }
1353   z = sqlite3_mprintf(argv[1], argv[2]);
1354   Tcl_AppendResult(interp, z, 0);
1355   sqlite3_free(z);
1356   return TCL_OK;
1357 }
1358 
1359 /*
1360 ** Usage:  sqlite3_mprintf_hexdouble FORMAT HEX
1361 **
1362 ** Call mprintf with a single double argument which is derived from the
1363 ** hexadecimal encoding of an IEEE double.
1364 */
1365 static int sqlite3_mprintf_hexdouble(
1366   void *NotUsed,
1367   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
1368   int argc,              /* Number of arguments */
1369   char **argv            /* Text of each argument */
1370 ){
1371   char *z;
1372   double r;
1373   unsigned int x1, x2;
1374   sqlite_uint64 d;
1375   if( argc!=3 ){
1376     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
1377        " FORMAT STRING\"", 0);
1378     return TCL_ERROR;
1379   }
1380   if( sscanf(argv[2], "%08x%08x", &x2, &x1)!=2 ){
1381     Tcl_AppendResult(interp, "2nd argument should be 16-characters of hex", 0);
1382     return TCL_ERROR;
1383   }
1384   d = x2;
1385   d = (d<<32) + x1;
1386   memcpy(&r, &d, sizeof(r));
1387   z = sqlite3_mprintf(argv[1], r);
1388   Tcl_AppendResult(interp, z, 0);
1389   sqlite3_free(z);
1390   return TCL_OK;
1391 }
1392 
1393 /*
1394 ** Usage: sqlite3_enable_shared_cache ?BOOLEAN?
1395 **
1396 */
1397 #if !defined(SQLITE_OMIT_SHARED_CACHE)
1398 static int test_enable_shared(
1399   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
1400   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
1401   int objc,              /* Number of arguments */
1402   Tcl_Obj *CONST objv[]  /* Command arguments */
1403 ){
1404   int rc;
1405   int enable;
1406   int ret = 0;
1407 
1408   if( objc!=2 && objc!=1 ){
1409     Tcl_WrongNumArgs(interp, 1, objv, "?BOOLEAN?");
1410     return TCL_ERROR;
1411   }
1412   ret = sqlite3GlobalConfig.sharedCacheEnabled;
1413 
1414   if( objc==2 ){
1415     if( Tcl_GetBooleanFromObj(interp, objv[1], &enable) ){
1416       return TCL_ERROR;
1417     }
1418     rc = sqlite3_enable_shared_cache(enable);
1419     if( rc!=SQLITE_OK ){
1420       Tcl_SetResult(interp, (char *)sqlite3ErrStr(rc), TCL_STATIC);
1421       return TCL_ERROR;
1422     }
1423   }
1424   Tcl_SetObjResult(interp, Tcl_NewBooleanObj(ret));
1425   return TCL_OK;
1426 }
1427 #endif
1428 
1429 
1430 
1431 /*
1432 ** Usage: sqlite3_extended_result_codes   DB    BOOLEAN
1433 **
1434 */
1435 static int test_extended_result_codes(
1436   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
1437   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
1438   int objc,              /* Number of arguments */
1439   Tcl_Obj *CONST objv[]  /* Command arguments */
1440 ){
1441   int enable;
1442   sqlite3 *db;
1443 
1444   if( objc!=3 ){
1445     Tcl_WrongNumArgs(interp, 1, objv, "DB BOOLEAN");
1446     return TCL_ERROR;
1447   }
1448   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
1449   if( Tcl_GetBooleanFromObj(interp, objv[2], &enable) ) return TCL_ERROR;
1450   sqlite3_extended_result_codes(db, enable);
1451   return TCL_OK;
1452 }
1453 
1454 /*
1455 ** Usage: sqlite3_libversion_number
1456 **
1457 */
1458 static int test_libversion_number(
1459   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
1460   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
1461   int objc,              /* Number of arguments */
1462   Tcl_Obj *CONST objv[]  /* Command arguments */
1463 ){
1464   Tcl_SetObjResult(interp, Tcl_NewIntObj(sqlite3_libversion_number()));
1465   return TCL_OK;
1466 }
1467 
1468 /*
1469 ** Usage: sqlite3_table_column_metadata DB dbname tblname colname
1470 **
1471 */
1472 #ifdef SQLITE_ENABLE_COLUMN_METADATA
1473 static int test_table_column_metadata(
1474   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
1475   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
1476   int objc,              /* Number of arguments */
1477   Tcl_Obj *CONST objv[]  /* Command arguments */
1478 ){
1479   sqlite3 *db;
1480   const char *zDb;
1481   const char *zTbl;
1482   const char *zCol;
1483   int rc;
1484   Tcl_Obj *pRet;
1485 
1486   const char *zDatatype;
1487   const char *zCollseq;
1488   int notnull;
1489   int primarykey;
1490   int autoincrement;
1491 
1492   if( objc!=5 ){
1493     Tcl_WrongNumArgs(interp, 1, objv, "DB dbname tblname colname");
1494     return TCL_ERROR;
1495   }
1496   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
1497   zDb = Tcl_GetString(objv[2]);
1498   zTbl = Tcl_GetString(objv[3]);
1499   zCol = Tcl_GetString(objv[4]);
1500 
1501   if( strlen(zDb)==0 ) zDb = 0;
1502 
1503   rc = sqlite3_table_column_metadata(db, zDb, zTbl, zCol,
1504       &zDatatype, &zCollseq, &notnull, &primarykey, &autoincrement);
1505 
1506   if( rc!=SQLITE_OK ){
1507     Tcl_AppendResult(interp, sqlite3_errmsg(db), 0);
1508     return TCL_ERROR;
1509   }
1510 
1511   pRet = Tcl_NewObj();
1512   Tcl_ListObjAppendElement(0, pRet, Tcl_NewStringObj(zDatatype, -1));
1513   Tcl_ListObjAppendElement(0, pRet, Tcl_NewStringObj(zCollseq, -1));
1514   Tcl_ListObjAppendElement(0, pRet, Tcl_NewIntObj(notnull));
1515   Tcl_ListObjAppendElement(0, pRet, Tcl_NewIntObj(primarykey));
1516   Tcl_ListObjAppendElement(0, pRet, Tcl_NewIntObj(autoincrement));
1517   Tcl_SetObjResult(interp, pRet);
1518 
1519   return TCL_OK;
1520 }
1521 #endif
1522 
1523 #ifndef SQLITE_OMIT_INCRBLOB
1524 
1525 /*
1526 ** sqlite3_blob_read  CHANNEL OFFSET N
1527 **
1528 **   This command is used to test the sqlite3_blob_read() in ways that
1529 **   the Tcl channel interface does not. The first argument should
1530 **   be the name of a valid channel created by the [incrblob] method
1531 **   of a database handle. This function calls sqlite3_blob_read()
1532 **   to read N bytes from offset OFFSET from the underlying SQLite
1533 **   blob handle.
1534 **
1535 **   On success, a byte-array object containing the read data is
1536 **   returned. On failure, the interpreter result is set to the
1537 **   text representation of the returned error code (i.e. "SQLITE_NOMEM")
1538 **   and a Tcl exception is thrown.
1539 */
1540 static int test_blob_read(
1541   ClientData clientData, /* Not used */
1542   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
1543   int objc,              /* Number of arguments */
1544   Tcl_Obj *CONST objv[]  /* Command arguments */
1545 ){
1546   Tcl_Channel channel;
1547   ClientData instanceData;
1548   sqlite3_blob *pBlob;
1549   int notUsed;
1550   int nByte;
1551   int iOffset;
1552   unsigned char *zBuf;
1553   int rc;
1554 
1555   if( objc!=4 ){
1556     Tcl_WrongNumArgs(interp, 1, objv, "CHANNEL OFFSET N");
1557     return TCL_ERROR;
1558   }
1559 
1560   channel = Tcl_GetChannel(interp, Tcl_GetString(objv[1]), &notUsed);
1561   if( !channel
1562    || TCL_OK!=Tcl_GetIntFromObj(interp, objv[2], &iOffset)
1563    || TCL_OK!=Tcl_GetIntFromObj(interp, objv[3], &nByte)
1564    || nByte<0 || iOffset<0
1565   ){
1566     return TCL_ERROR;
1567   }
1568 
1569   instanceData = Tcl_GetChannelInstanceData(channel);
1570   pBlob = *((sqlite3_blob **)instanceData);
1571 
1572   zBuf = (unsigned char *)Tcl_Alloc(nByte);
1573   rc = sqlite3_blob_read(pBlob, zBuf, nByte, iOffset);
1574   if( rc==SQLITE_OK ){
1575     Tcl_SetObjResult(interp, Tcl_NewByteArrayObj(zBuf, nByte));
1576   }else{
1577     Tcl_SetResult(interp, (char *)sqlite3TestErrorName(rc), TCL_VOLATILE);
1578   }
1579   Tcl_Free((char *)zBuf);
1580 
1581   return (rc==SQLITE_OK ? TCL_OK : TCL_ERROR);
1582 }
1583 
1584 /*
1585 ** sqlite3_blob_write CHANNEL OFFSET DATA ?NDATA?
1586 **
1587 **   This command is used to test the sqlite3_blob_write() in ways that
1588 **   the Tcl channel interface does not. The first argument should
1589 **   be the name of a valid channel created by the [incrblob] method
1590 **   of a database handle. This function calls sqlite3_blob_write()
1591 **   to write the DATA byte-array to the underlying SQLite blob handle.
1592 **   at offset OFFSET.
1593 **
1594 **   On success, an empty string is returned. On failure, the interpreter
1595 **   result is set to the text representation of the returned error code
1596 **   (i.e. "SQLITE_NOMEM") and a Tcl exception is thrown.
1597 */
1598 static int test_blob_write(
1599   ClientData clientData, /* Not used */
1600   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
1601   int objc,              /* Number of arguments */
1602   Tcl_Obj *CONST objv[]  /* Command arguments */
1603 ){
1604   Tcl_Channel channel;
1605   ClientData instanceData;
1606   sqlite3_blob *pBlob;
1607   int notUsed;
1608   int iOffset;
1609   int rc;
1610 
1611   unsigned char *zBuf;
1612   int nBuf;
1613 
1614   if( objc!=4 && objc!=5 ){
1615     Tcl_WrongNumArgs(interp, 1, objv, "CHANNEL OFFSET DATA ?NDATA?");
1616     return TCL_ERROR;
1617   }
1618 
1619   channel = Tcl_GetChannel(interp, Tcl_GetString(objv[1]), &notUsed);
1620   if( !channel || TCL_OK!=Tcl_GetIntFromObj(interp, objv[2], &iOffset) ){
1621     return TCL_ERROR;
1622   }
1623 
1624   instanceData = Tcl_GetChannelInstanceData(channel);
1625   pBlob = *((sqlite3_blob **)instanceData);
1626 
1627   zBuf = Tcl_GetByteArrayFromObj(objv[3], &nBuf);
1628   if( objc==5 && Tcl_GetIntFromObj(interp, objv[4], &nBuf) ){
1629     return TCL_ERROR;
1630   }
1631   rc = sqlite3_blob_write(pBlob, zBuf, nBuf, iOffset);
1632   if( rc!=SQLITE_OK ){
1633     Tcl_SetResult(interp, (char *)sqlite3TestErrorName(rc), TCL_VOLATILE);
1634   }
1635 
1636   return (rc==SQLITE_OK ? TCL_OK : TCL_ERROR);
1637 }
1638 #endif
1639 
1640 /*
1641 ** Usage: sqlite3_create_collation_v2 DB-HANDLE NAME CMP-PROC DEL-PROC
1642 **
1643 **   This Tcl proc is used for testing the experimental
1644 **   sqlite3_create_collation_v2() interface.
1645 */
1646 struct TestCollationX {
1647   Tcl_Interp *interp;
1648   Tcl_Obj *pCmp;
1649   Tcl_Obj *pDel;
1650 };
1651 typedef struct TestCollationX TestCollationX;
1652 static void testCreateCollationDel(void *pCtx){
1653   TestCollationX *p = (TestCollationX *)pCtx;
1654 
1655   int rc = Tcl_EvalObjEx(p->interp, p->pDel, TCL_EVAL_DIRECT|TCL_EVAL_GLOBAL);
1656   if( rc!=TCL_OK ){
1657     Tcl_BackgroundError(p->interp);
1658   }
1659 
1660   Tcl_DecrRefCount(p->pCmp);
1661   Tcl_DecrRefCount(p->pDel);
1662   sqlite3_free((void *)p);
1663 }
1664 static int testCreateCollationCmp(
1665   void *pCtx,
1666   int nLeft,
1667   const void *zLeft,
1668   int nRight,
1669   const void *zRight
1670 ){
1671   TestCollationX *p = (TestCollationX *)pCtx;
1672   Tcl_Obj *pScript = Tcl_DuplicateObj(p->pCmp);
1673   int iRes = 0;
1674 
1675   Tcl_IncrRefCount(pScript);
1676   Tcl_ListObjAppendElement(0, pScript, Tcl_NewStringObj((char *)zLeft, nLeft));
1677   Tcl_ListObjAppendElement(0, pScript, Tcl_NewStringObj((char *)zRight,nRight));
1678 
1679   if( TCL_OK!=Tcl_EvalObjEx(p->interp, pScript, TCL_EVAL_DIRECT|TCL_EVAL_GLOBAL)
1680    || TCL_OK!=Tcl_GetIntFromObj(p->interp, Tcl_GetObjResult(p->interp), &iRes)
1681   ){
1682     Tcl_BackgroundError(p->interp);
1683   }
1684   Tcl_DecrRefCount(pScript);
1685 
1686   return iRes;
1687 }
1688 static int test_create_collation_v2(
1689   ClientData clientData, /* Not used */
1690   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
1691   int objc,              /* Number of arguments */
1692   Tcl_Obj *CONST objv[]  /* Command arguments */
1693 ){
1694   TestCollationX *p;
1695   sqlite3 *db;
1696   int rc;
1697 
1698   if( objc!=5 ){
1699     Tcl_WrongNumArgs(interp, 1, objv, "DB-HANDLE NAME CMP-PROC DEL-PROC");
1700     return TCL_ERROR;
1701   }
1702   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
1703 
1704   p = (TestCollationX *)sqlite3_malloc(sizeof(TestCollationX));
1705   p->pCmp = objv[3];
1706   p->pDel = objv[4];
1707   p->interp = interp;
1708   Tcl_IncrRefCount(p->pCmp);
1709   Tcl_IncrRefCount(p->pDel);
1710 
1711   rc = sqlite3_create_collation_v2(db, Tcl_GetString(objv[2]), 16,
1712       (void *)p, testCreateCollationCmp, testCreateCollationDel
1713   );
1714   if( rc!=SQLITE_MISUSE ){
1715     Tcl_AppendResult(interp, "sqlite3_create_collate_v2() failed to detect "
1716       "an invalid encoding", (char*)0);
1717     return TCL_ERROR;
1718   }
1719   rc = sqlite3_create_collation_v2(db, Tcl_GetString(objv[2]), SQLITE_UTF8,
1720       (void *)p, testCreateCollationCmp, testCreateCollationDel
1721   );
1722   return TCL_OK;
1723 }
1724 
1725 /*
1726 ** Usage: sqlite3_load_extension DB-HANDLE FILE ?PROC?
1727 */
1728 static int test_load_extension(
1729   ClientData clientData, /* Not used */
1730   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
1731   int objc,              /* Number of arguments */
1732   Tcl_Obj *CONST objv[]  /* Command arguments */
1733 ){
1734   Tcl_CmdInfo cmdInfo;
1735   sqlite3 *db;
1736   int rc;
1737   char *zDb;
1738   char *zFile;
1739   char *zProc = 0;
1740   char *zErr = 0;
1741 
1742   if( objc!=4 && objc!=3 ){
1743     Tcl_WrongNumArgs(interp, 1, objv, "DB-HANDLE FILE ?PROC?");
1744     return TCL_ERROR;
1745   }
1746   zDb = Tcl_GetString(objv[1]);
1747   zFile = Tcl_GetString(objv[2]);
1748   if( objc==4 ){
1749     zProc = Tcl_GetString(objv[3]);
1750   }
1751 
1752   /* Extract the C database handle from the Tcl command name */
1753   if( !Tcl_GetCommandInfo(interp, zDb, &cmdInfo) ){
1754     Tcl_AppendResult(interp, "command not found: ", zDb, (char*)0);
1755     return TCL_ERROR;
1756   }
1757   db = ((struct SqliteDb*)cmdInfo.objClientData)->db;
1758   assert(db);
1759 
1760   /* Call the underlying C function. If an error occurs, set rc to
1761   ** TCL_ERROR and load any error string into the interpreter. If no
1762   ** error occurs, set rc to TCL_OK.
1763   */
1764 #ifdef SQLITE_OMIT_LOAD_EXTENSION
1765   rc = SQLITE_ERROR;
1766   zErr = sqlite3_mprintf("this build omits sqlite3_load_extension()");
1767 #else
1768   rc = sqlite3_load_extension(db, zFile, zProc, &zErr);
1769 #endif
1770   if( rc!=SQLITE_OK ){
1771     Tcl_SetResult(interp, zErr ? zErr : "", TCL_VOLATILE);
1772     rc = TCL_ERROR;
1773   }else{
1774     rc = TCL_OK;
1775   }
1776   sqlite3_free(zErr);
1777 
1778   return rc;
1779 }
1780 
1781 /*
1782 ** Usage: sqlite3_enable_load_extension DB-HANDLE ONOFF
1783 */
1784 static int test_enable_load(
1785   ClientData clientData, /* Not used */
1786   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
1787   int objc,              /* Number of arguments */
1788   Tcl_Obj *CONST objv[]  /* Command arguments */
1789 ){
1790   Tcl_CmdInfo cmdInfo;
1791   sqlite3 *db;
1792   char *zDb;
1793   int onoff;
1794 
1795   if( objc!=3 ){
1796     Tcl_WrongNumArgs(interp, 1, objv, "DB-HANDLE ONOFF");
1797     return TCL_ERROR;
1798   }
1799   zDb = Tcl_GetString(objv[1]);
1800 
1801   /* Extract the C database handle from the Tcl command name */
1802   if( !Tcl_GetCommandInfo(interp, zDb, &cmdInfo) ){
1803     Tcl_AppendResult(interp, "command not found: ", zDb, (char*)0);
1804     return TCL_ERROR;
1805   }
1806   db = ((struct SqliteDb*)cmdInfo.objClientData)->db;
1807   assert(db);
1808 
1809   /* Get the onoff parameter */
1810   if( Tcl_GetBooleanFromObj(interp, objv[2], &onoff) ){
1811     return TCL_ERROR;
1812   }
1813 
1814 #ifdef SQLITE_OMIT_LOAD_EXTENSION
1815   Tcl_AppendResult(interp, "this build omits sqlite3_load_extension()");
1816   return TCL_ERROR;
1817 #else
1818   sqlite3_enable_load_extension(db, onoff);
1819   return TCL_OK;
1820 #endif
1821 }
1822 
1823 /*
1824 ** Usage:  sqlite_abort
1825 **
1826 ** Shutdown the process immediately.  This is not a clean shutdown.
1827 ** This command is used to test the recoverability of a database in
1828 ** the event of a program crash.
1829 */
1830 static int sqlite_abort(
1831   void *NotUsed,
1832   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
1833   int argc,              /* Number of arguments */
1834   char **argv            /* Text of each argument */
1835 ){
1836   assert( interp==0 );   /* This will always fail */
1837   return TCL_OK;
1838 }
1839 
1840 /*
1841 ** The following routine is a user-defined SQL function whose purpose
1842 ** is to test the sqlite_set_result() API.
1843 */
1844 static void testFunc(sqlite3_context *context, int argc, sqlite3_value **argv){
1845   while( argc>=2 ){
1846     const char *zArg0 = (char*)sqlite3_value_text(argv[0]);
1847     if( zArg0 ){
1848       if( 0==sqlite3StrICmp(zArg0, "int") ){
1849         sqlite3_result_int(context, sqlite3_value_int(argv[1]));
1850       }else if( sqlite3StrICmp(zArg0,"int64")==0 ){
1851         sqlite3_result_int64(context, sqlite3_value_int64(argv[1]));
1852       }else if( sqlite3StrICmp(zArg0,"string")==0 ){
1853         sqlite3_result_text(context, (char*)sqlite3_value_text(argv[1]), -1,
1854             SQLITE_TRANSIENT);
1855       }else if( sqlite3StrICmp(zArg0,"double")==0 ){
1856         sqlite3_result_double(context, sqlite3_value_double(argv[1]));
1857       }else if( sqlite3StrICmp(zArg0,"null")==0 ){
1858         sqlite3_result_null(context);
1859       }else if( sqlite3StrICmp(zArg0,"value")==0 ){
1860         sqlite3_result_value(context, argv[sqlite3_value_int(argv[1])]);
1861       }else{
1862         goto error_out;
1863       }
1864     }else{
1865       goto error_out;
1866     }
1867     argc -= 2;
1868     argv += 2;
1869   }
1870   return;
1871 
1872 error_out:
1873   sqlite3_result_error(context,"first argument should be one of: "
1874       "int int64 string double null value", -1);
1875 }
1876 
1877 /*
1878 ** Usage:   sqlite_register_test_function  DB  NAME
1879 **
1880 ** Register the test SQL function on the database DB under the name NAME.
1881 */
1882 static int test_register_func(
1883   void *NotUsed,
1884   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
1885   int argc,              /* Number of arguments */
1886   char **argv            /* Text of each argument */
1887 ){
1888   sqlite3 *db;
1889   int rc;
1890   if( argc!=3 ){
1891     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
1892        " DB FUNCTION-NAME", 0);
1893     return TCL_ERROR;
1894   }
1895   if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
1896   rc = sqlite3_create_function(db, argv[2], -1, SQLITE_UTF8, 0,
1897       testFunc, 0, 0);
1898   if( rc!=0 ){
1899     Tcl_AppendResult(interp, sqlite3ErrStr(rc), 0);
1900     return TCL_ERROR;
1901   }
1902   if( sqlite3TestErrCode(interp, db, rc) ) return TCL_ERROR;
1903   return TCL_OK;
1904 }
1905 
1906 /*
1907 ** Usage:  sqlite3_finalize  STMT
1908 **
1909 ** Finalize a statement handle.
1910 */
1911 static int test_finalize(
1912   void * clientData,
1913   Tcl_Interp *interp,
1914   int objc,
1915   Tcl_Obj *CONST objv[]
1916 ){
1917   sqlite3_stmt *pStmt;
1918   int rc;
1919   sqlite3 *db = 0;
1920 
1921   if( objc!=2 ){
1922     Tcl_AppendResult(interp, "wrong # args: should be \"",
1923         Tcl_GetStringFromObj(objv[0], 0), " <STMT>", 0);
1924     return TCL_ERROR;
1925   }
1926 
1927   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
1928 
1929   if( pStmt ){
1930     db = StmtToDb(pStmt);
1931   }
1932   rc = sqlite3_finalize(pStmt);
1933   Tcl_SetResult(interp, (char *)t1ErrorName(rc), TCL_STATIC);
1934   if( db && sqlite3TestErrCode(interp, db, rc) ) return TCL_ERROR;
1935   return TCL_OK;
1936 }
1937 
1938 /*
1939 ** Usage:  sqlite3_stmt_status  STMT  CODE  RESETFLAG
1940 **
1941 ** Get the value of a status counter from a statement.
1942 */
1943 static int test_stmt_status(
1944   void * clientData,
1945   Tcl_Interp *interp,
1946   int objc,
1947   Tcl_Obj *CONST objv[]
1948 ){
1949   int iValue;
1950   int i, op, resetFlag;
1951   const char *zOpName;
1952   sqlite3_stmt *pStmt;
1953 
1954   static const struct {
1955     const char *zName;
1956     int op;
1957   } aOp[] = {
1958     { "SQLITE_STMTSTATUS_FULLSCAN_STEP",   SQLITE_STMTSTATUS_FULLSCAN_STEP   },
1959     { "SQLITE_STMTSTATUS_SORT",            SQLITE_STMTSTATUS_SORT            },
1960   };
1961   if( objc!=4 ){
1962     Tcl_WrongNumArgs(interp, 1, objv, "STMT PARAMETER RESETFLAG");
1963     return TCL_ERROR;
1964   }
1965   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
1966   zOpName = Tcl_GetString(objv[2]);
1967   for(i=0; i<ArraySize(aOp); i++){
1968     if( strcmp(aOp[i].zName, zOpName)==0 ){
1969       op = aOp[i].op;
1970       break;
1971     }
1972   }
1973   if( i>=ArraySize(aOp) ){
1974     if( Tcl_GetIntFromObj(interp, objv[2], &op) ) return TCL_ERROR;
1975   }
1976   if( Tcl_GetBooleanFromObj(interp, objv[3], &resetFlag) ) return TCL_ERROR;
1977   iValue = sqlite3_stmt_status(pStmt, op, resetFlag);
1978   Tcl_SetObjResult(interp, Tcl_NewIntObj(iValue));
1979   return TCL_OK;
1980 }
1981 
1982 /*
1983 ** Usage:  sqlite3_next_stmt  DB  STMT
1984 **
1985 ** Return the next statment in sequence after STMT.
1986 */
1987 static int test_next_stmt(
1988   void * clientData,
1989   Tcl_Interp *interp,
1990   int objc,
1991   Tcl_Obj *CONST objv[]
1992 ){
1993   sqlite3_stmt *pStmt;
1994   sqlite3 *db = 0;
1995   char zBuf[50];
1996 
1997   if( objc!=3 ){
1998     Tcl_AppendResult(interp, "wrong # args: should be \"",
1999         Tcl_GetStringFromObj(objv[0], 0), " DB STMT", 0);
2000     return TCL_ERROR;
2001   }
2002 
2003   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
2004   if( getStmtPointer(interp, Tcl_GetString(objv[2]), &pStmt) ) return TCL_ERROR;
2005   pStmt = sqlite3_next_stmt(db, pStmt);
2006   if( pStmt ){
2007     if( sqlite3TestMakePointerStr(interp, zBuf, pStmt) ) return TCL_ERROR;
2008     Tcl_AppendResult(interp, zBuf, 0);
2009   }
2010   return TCL_OK;
2011 }
2012 
2013 
2014 /*
2015 ** Usage:  sqlite3_reset  STMT
2016 **
2017 ** Reset a statement handle.
2018 */
2019 static int test_reset(
2020   void * clientData,
2021   Tcl_Interp *interp,
2022   int objc,
2023   Tcl_Obj *CONST objv[]
2024 ){
2025   sqlite3_stmt *pStmt;
2026   int rc;
2027 
2028   if( objc!=2 ){
2029     Tcl_AppendResult(interp, "wrong # args: should be \"",
2030         Tcl_GetStringFromObj(objv[0], 0), " <STMT>", 0);
2031     return TCL_ERROR;
2032   }
2033 
2034   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
2035 
2036   rc = sqlite3_reset(pStmt);
2037   if( pStmt && sqlite3TestErrCode(interp, StmtToDb(pStmt), rc) ){
2038     return TCL_ERROR;
2039   }
2040   Tcl_SetResult(interp, (char *)t1ErrorName(rc), TCL_STATIC);
2041 /*
2042   if( rc ){
2043     return TCL_ERROR;
2044   }
2045 */
2046   return TCL_OK;
2047 }
2048 
2049 /*
2050 ** Usage:  sqlite3_expired STMT
2051 **
2052 ** Return TRUE if a recompilation of the statement is recommended.
2053 */
2054 static int test_expired(
2055   void * clientData,
2056   Tcl_Interp *interp,
2057   int objc,
2058   Tcl_Obj *CONST objv[]
2059 ){
2060 #ifndef SQLITE_OMIT_DEPRECATED
2061   sqlite3_stmt *pStmt;
2062   if( objc!=2 ){
2063     Tcl_AppendResult(interp, "wrong # args: should be \"",
2064         Tcl_GetStringFromObj(objv[0], 0), " <STMT>", 0);
2065     return TCL_ERROR;
2066   }
2067   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
2068   Tcl_SetObjResult(interp, Tcl_NewBooleanObj(sqlite3_expired(pStmt)));
2069 #endif
2070   return TCL_OK;
2071 }
2072 
2073 /*
2074 ** Usage:  sqlite3_transfer_bindings FROMSTMT TOSTMT
2075 **
2076 ** Transfer all bindings from FROMSTMT over to TOSTMT
2077 */
2078 static int test_transfer_bind(
2079   void * clientData,
2080   Tcl_Interp *interp,
2081   int objc,
2082   Tcl_Obj *CONST objv[]
2083 ){
2084 #ifndef SQLITE_OMIT_DEPRECATED
2085   sqlite3_stmt *pStmt1, *pStmt2;
2086   if( objc!=3 ){
2087     Tcl_AppendResult(interp, "wrong # args: should be \"",
2088         Tcl_GetStringFromObj(objv[0], 0), " FROM-STMT TO-STMT", 0);
2089     return TCL_ERROR;
2090   }
2091   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt1)) return TCL_ERROR;
2092   if( getStmtPointer(interp, Tcl_GetString(objv[2]), &pStmt2)) return TCL_ERROR;
2093   Tcl_SetObjResult(interp,
2094      Tcl_NewIntObj(sqlite3_transfer_bindings(pStmt1,pStmt2)));
2095 #endif
2096   return TCL_OK;
2097 }
2098 
2099 /*
2100 ** Usage:  sqlite3_changes DB
2101 **
2102 ** Return the number of changes made to the database by the last SQL
2103 ** execution.
2104 */
2105 static int test_changes(
2106   void * clientData,
2107   Tcl_Interp *interp,
2108   int objc,
2109   Tcl_Obj *CONST objv[]
2110 ){
2111   sqlite3 *db;
2112   if( objc!=2 ){
2113     Tcl_AppendResult(interp, "wrong # args: should be \"",
2114        Tcl_GetString(objv[0]), " DB", 0);
2115     return TCL_ERROR;
2116   }
2117   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
2118   Tcl_SetObjResult(interp, Tcl_NewIntObj(sqlite3_changes(db)));
2119   return TCL_OK;
2120 }
2121 
2122 /*
2123 ** This is the "static_bind_value" that variables are bound to when
2124 ** the FLAG option of sqlite3_bind is "static"
2125 */
2126 static char *sqlite_static_bind_value = 0;
2127 static int sqlite_static_bind_nbyte = 0;
2128 
2129 /*
2130 ** Usage:  sqlite3_bind  VM  IDX  VALUE  FLAGS
2131 **
2132 ** Sets the value of the IDX-th occurance of "?" in the original SQL
2133 ** string.  VALUE is the new value.  If FLAGS=="null" then VALUE is
2134 ** ignored and the value is set to NULL.  If FLAGS=="static" then
2135 ** the value is set to the value of a static variable named
2136 ** "sqlite_static_bind_value".  If FLAGS=="normal" then a copy
2137 ** of the VALUE is made.  If FLAGS=="blob10" then a VALUE is ignored
2138 ** an a 10-byte blob "abc\000xyz\000pq" is inserted.
2139 */
2140 static int test_bind(
2141   void *NotUsed,
2142   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
2143   int argc,              /* Number of arguments */
2144   char **argv            /* Text of each argument */
2145 ){
2146   sqlite3_stmt *pStmt;
2147   int rc;
2148   int idx;
2149   if( argc!=5 ){
2150     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
2151        " VM IDX VALUE (null|static|normal)\"", 0);
2152     return TCL_ERROR;
2153   }
2154   if( getStmtPointer(interp, argv[1], &pStmt) ) return TCL_ERROR;
2155   if( Tcl_GetInt(interp, argv[2], &idx) ) return TCL_ERROR;
2156   if( strcmp(argv[4],"null")==0 ){
2157     rc = sqlite3_bind_null(pStmt, idx);
2158   }else if( strcmp(argv[4],"static")==0 ){
2159     rc = sqlite3_bind_text(pStmt, idx, sqlite_static_bind_value, -1, 0);
2160   }else if( strcmp(argv[4],"static-nbytes")==0 ){
2161     rc = sqlite3_bind_text(pStmt, idx, sqlite_static_bind_value,
2162                                        sqlite_static_bind_nbyte, 0);
2163   }else if( strcmp(argv[4],"normal")==0 ){
2164     rc = sqlite3_bind_text(pStmt, idx, argv[3], -1, SQLITE_TRANSIENT);
2165   }else if( strcmp(argv[4],"blob10")==0 ){
2166     rc = sqlite3_bind_text(pStmt, idx, "abc\000xyz\000pq", 10, SQLITE_STATIC);
2167   }else{
2168     Tcl_AppendResult(interp, "4th argument should be "
2169         "\"null\" or \"static\" or \"normal\"", 0);
2170     return TCL_ERROR;
2171   }
2172   if( sqlite3TestErrCode(interp, StmtToDb(pStmt), rc) ) return TCL_ERROR;
2173   if( rc ){
2174     char zBuf[50];
2175     sprintf(zBuf, "(%d) ", rc);
2176     Tcl_AppendResult(interp, zBuf, sqlite3ErrStr(rc), 0);
2177     return TCL_ERROR;
2178   }
2179   return TCL_OK;
2180 }
2181 
2182 #ifndef SQLITE_OMIT_UTF16
2183 /*
2184 ** Usage: add_test_collate <db ptr> <utf8> <utf16le> <utf16be>
2185 **
2186 ** This function is used to test that SQLite selects the correct collation
2187 ** sequence callback when multiple versions (for different text encodings)
2188 ** are available.
2189 **
2190 ** Calling this routine registers the collation sequence "test_collate"
2191 ** with database handle <db>. The second argument must be a list of three
2192 ** boolean values. If the first is true, then a version of test_collate is
2193 ** registered for UTF-8, if the second is true, a version is registered for
2194 ** UTF-16le, if the third is true, a UTF-16be version is available.
2195 ** Previous versions of test_collate are deleted.
2196 **
2197 ** The collation sequence test_collate is implemented by calling the
2198 ** following TCL script:
2199 **
2200 **   "test_collate <enc> <lhs> <rhs>"
2201 **
2202 ** The <lhs> and <rhs> are the two values being compared, encoded in UTF-8.
2203 ** The <enc> parameter is the encoding of the collation function that
2204 ** SQLite selected to call. The TCL test script implements the
2205 ** "test_collate" proc.
2206 **
2207 ** Note that this will only work with one intepreter at a time, as the
2208 ** interp pointer to use when evaluating the TCL script is stored in
2209 ** pTestCollateInterp.
2210 */
2211 static Tcl_Interp* pTestCollateInterp;
2212 static int test_collate_func(
2213   void *pCtx,
2214   int nA, const void *zA,
2215   int nB, const void *zB
2216 ){
2217   Tcl_Interp *i = pTestCollateInterp;
2218   int encin = (int)pCtx;
2219   int res;
2220   int n;
2221 
2222   sqlite3_value *pVal;
2223   Tcl_Obj *pX;
2224 
2225   pX = Tcl_NewStringObj("test_collate", -1);
2226   Tcl_IncrRefCount(pX);
2227 
2228   switch( encin ){
2229     case SQLITE_UTF8:
2230       Tcl_ListObjAppendElement(i,pX,Tcl_NewStringObj("UTF-8",-1));
2231       break;
2232     case SQLITE_UTF16LE:
2233       Tcl_ListObjAppendElement(i,pX,Tcl_NewStringObj("UTF-16LE",-1));
2234       break;
2235     case SQLITE_UTF16BE:
2236       Tcl_ListObjAppendElement(i,pX,Tcl_NewStringObj("UTF-16BE",-1));
2237       break;
2238     default:
2239       assert(0);
2240   }
2241 
2242   pVal = sqlite3ValueNew(0);
2243   sqlite3ValueSetStr(pVal, nA, zA, encin, SQLITE_STATIC);
2244   n = sqlite3_value_bytes(pVal);
2245   Tcl_ListObjAppendElement(i,pX,
2246       Tcl_NewStringObj((char*)sqlite3_value_text(pVal),n));
2247   sqlite3ValueSetStr(pVal, nB, zB, encin, SQLITE_STATIC);
2248   n = sqlite3_value_bytes(pVal);
2249   Tcl_ListObjAppendElement(i,pX,
2250       Tcl_NewStringObj((char*)sqlite3_value_text(pVal),n));
2251   sqlite3ValueFree(pVal);
2252 
2253   Tcl_EvalObjEx(i, pX, 0);
2254   Tcl_DecrRefCount(pX);
2255   Tcl_GetIntFromObj(i, Tcl_GetObjResult(i), &res);
2256   return res;
2257 }
2258 static int test_collate(
2259   void * clientData,
2260   Tcl_Interp *interp,
2261   int objc,
2262   Tcl_Obj *CONST objv[]
2263 ){
2264   sqlite3 *db;
2265   int val;
2266   sqlite3_value *pVal;
2267   int rc;
2268 
2269   if( objc!=5 ) goto bad_args;
2270   pTestCollateInterp = interp;
2271   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
2272 
2273   if( TCL_OK!=Tcl_GetBooleanFromObj(interp, objv[2], &val) ) return TCL_ERROR;
2274   rc = sqlite3_create_collation(db, "test_collate", SQLITE_UTF8,
2275           (void *)SQLITE_UTF8, val?test_collate_func:0);
2276   if( rc==SQLITE_OK ){
2277     const void *zUtf16;
2278     if( TCL_OK!=Tcl_GetBooleanFromObj(interp, objv[3], &val) ) return TCL_ERROR;
2279     rc = sqlite3_create_collation(db, "test_collate", SQLITE_UTF16LE,
2280             (void *)SQLITE_UTF16LE, val?test_collate_func:0);
2281     if( TCL_OK!=Tcl_GetBooleanFromObj(interp, objv[4], &val) ) return TCL_ERROR;
2282 
2283 #if 0
2284     if( sqlite3_iMallocFail>0 ){
2285       sqlite3_iMallocFail++;
2286     }
2287 #endif
2288     sqlite3_mutex_enter(db->mutex);
2289     pVal = sqlite3ValueNew(db);
2290     sqlite3ValueSetStr(pVal, -1, "test_collate", SQLITE_UTF8, SQLITE_STATIC);
2291     zUtf16 = sqlite3ValueText(pVal, SQLITE_UTF16NATIVE);
2292     if( db->mallocFailed ){
2293       rc = SQLITE_NOMEM;
2294     }else{
2295       rc = sqlite3_create_collation16(db, zUtf16, SQLITE_UTF16BE,
2296           (void *)SQLITE_UTF16BE, val?test_collate_func:0);
2297     }
2298     sqlite3ValueFree(pVal);
2299     sqlite3_mutex_leave(db->mutex);
2300   }
2301   if( sqlite3TestErrCode(interp, db, rc) ) return TCL_ERROR;
2302 
2303   if( rc!=SQLITE_OK ){
2304     Tcl_AppendResult(interp, sqlite3TestErrorName(rc), 0);
2305     return TCL_ERROR;
2306   }
2307   return TCL_OK;
2308 
2309 bad_args:
2310   Tcl_AppendResult(interp, "wrong # args: should be \"",
2311       Tcl_GetStringFromObj(objv[0], 0), " <DB> <utf8> <utf16le> <utf16be>", 0);
2312   return TCL_ERROR;
2313 }
2314 
2315 /*
2316 ** When the collation needed callback is invoked, record the name of
2317 ** the requested collating function here.  The recorded name is linked
2318 ** to a TCL variable and used to make sure that the requested collation
2319 ** name is correct.
2320 */
2321 static char zNeededCollation[200];
2322 static char *pzNeededCollation = zNeededCollation;
2323 
2324 
2325 /*
2326 ** Called when a collating sequence is needed.  Registered using
2327 ** sqlite3_collation_needed16().
2328 */
2329 static void test_collate_needed_cb(
2330   void *pCtx,
2331   sqlite3 *db,
2332   int eTextRep,
2333   const void *pName
2334 ){
2335   int enc = ENC(db);
2336   int i;
2337   char *z;
2338   for(z = (char*)pName, i=0; *z || z[1]; z++){
2339     if( *z ) zNeededCollation[i++] = *z;
2340   }
2341   zNeededCollation[i] = 0;
2342   sqlite3_create_collation(
2343       db, "test_collate", ENC(db), (void *)enc, test_collate_func);
2344 }
2345 
2346 /*
2347 ** Usage: add_test_collate_needed DB
2348 */
2349 static int test_collate_needed(
2350   void * clientData,
2351   Tcl_Interp *interp,
2352   int objc,
2353   Tcl_Obj *CONST objv[]
2354 ){
2355   sqlite3 *db;
2356   int rc;
2357 
2358   if( objc!=2 ) goto bad_args;
2359   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
2360   rc = sqlite3_collation_needed16(db, 0, test_collate_needed_cb);
2361   zNeededCollation[0] = 0;
2362   if( sqlite3TestErrCode(interp, db, rc) ) return TCL_ERROR;
2363   return TCL_OK;
2364 
2365 bad_args:
2366   Tcl_WrongNumArgs(interp, 1, objv, "DB");
2367   return TCL_ERROR;
2368 }
2369 
2370 /*
2371 ** tclcmd:   add_alignment_test_collations  DB
2372 **
2373 ** Add two new collating sequences to the database DB
2374 **
2375 **     utf16_aligned
2376 **     utf16_unaligned
2377 **
2378 ** Both collating sequences use the same sort order as BINARY.
2379 ** The only difference is that the utf16_aligned collating
2380 ** sequence is declared with the SQLITE_UTF16_ALIGNED flag.
2381 ** Both collating functions increment the unaligned utf16 counter
2382 ** whenever they see a string that begins on an odd byte boundary.
2383 */
2384 static int unaligned_string_counter = 0;
2385 static int alignmentCollFunc(
2386   void *NotUsed,
2387   int nKey1, const void *pKey1,
2388   int nKey2, const void *pKey2
2389 ){
2390   int rc, n;
2391   n = nKey1<nKey2 ? nKey1 : nKey2;
2392   if( nKey1>0 && 1==(1&(int)pKey1) ) unaligned_string_counter++;
2393   if( nKey2>0 && 1==(1&(int)pKey2) ) unaligned_string_counter++;
2394   rc = memcmp(pKey1, pKey2, n);
2395   if( rc==0 ){
2396     rc = nKey1 - nKey2;
2397   }
2398   return rc;
2399 }
2400 static int add_alignment_test_collations(
2401   void * clientData,
2402   Tcl_Interp *interp,
2403   int objc,
2404   Tcl_Obj *CONST objv[]
2405 ){
2406   sqlite3 *db;
2407   if( objc>=2 ){
2408     if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
2409     sqlite3_create_collation(db, "utf16_unaligned",
2410         SQLITE_UTF16,
2411         0, alignmentCollFunc);
2412     sqlite3_create_collation(db, "utf16_aligned",
2413         SQLITE_UTF16 | SQLITE_UTF16_ALIGNED,
2414         0, alignmentCollFunc);
2415   }
2416   return SQLITE_OK;
2417 }
2418 #endif /* !defined(SQLITE_OMIT_UTF16) */
2419 
2420 /*
2421 ** Usage: add_test_function <db ptr> <utf8> <utf16le> <utf16be>
2422 **
2423 ** This function is used to test that SQLite selects the correct user
2424 ** function callback when multiple versions (for different text encodings)
2425 ** are available.
2426 **
2427 ** Calling this routine registers up to three versions of the user function
2428 ** "test_function" with database handle <db>.  If the second argument is
2429 ** true, then a version of test_function is registered for UTF-8, if the
2430 ** third is true, a version is registered for UTF-16le, if the fourth is
2431 ** true, a UTF-16be version is available.  Previous versions of
2432 ** test_function are deleted.
2433 **
2434 ** The user function is implemented by calling the following TCL script:
2435 **
2436 **   "test_function <enc> <arg>"
2437 **
2438 ** Where <enc> is one of UTF-8, UTF-16LE or UTF16BE, and <arg> is the
2439 ** single argument passed to the SQL function. The value returned by
2440 ** the TCL script is used as the return value of the SQL function. It
2441 ** is passed to SQLite using UTF-16BE for a UTF-8 test_function(), UTF-8
2442 ** for a UTF-16LE test_function(), and UTF-16LE for an implementation that
2443 ** prefers UTF-16BE.
2444 */
2445 #ifndef SQLITE_OMIT_UTF16
2446 static void test_function_utf8(
2447   sqlite3_context *pCtx,
2448   int nArg,
2449   sqlite3_value **argv
2450 ){
2451   Tcl_Interp *interp;
2452   Tcl_Obj *pX;
2453   sqlite3_value *pVal;
2454   interp = (Tcl_Interp *)sqlite3_user_data(pCtx);
2455   pX = Tcl_NewStringObj("test_function", -1);
2456   Tcl_IncrRefCount(pX);
2457   Tcl_ListObjAppendElement(interp, pX, Tcl_NewStringObj("UTF-8", -1));
2458   Tcl_ListObjAppendElement(interp, pX,
2459       Tcl_NewStringObj((char*)sqlite3_value_text(argv[0]), -1));
2460   Tcl_EvalObjEx(interp, pX, 0);
2461   Tcl_DecrRefCount(pX);
2462   sqlite3_result_text(pCtx, Tcl_GetStringResult(interp), -1, SQLITE_TRANSIENT);
2463   pVal = sqlite3ValueNew(0);
2464   sqlite3ValueSetStr(pVal, -1, Tcl_GetStringResult(interp),
2465       SQLITE_UTF8, SQLITE_STATIC);
2466   sqlite3_result_text16be(pCtx, sqlite3_value_text16be(pVal),
2467       -1, SQLITE_TRANSIENT);
2468   sqlite3ValueFree(pVal);
2469 }
2470 static void test_function_utf16le(
2471   sqlite3_context *pCtx,
2472   int nArg,
2473   sqlite3_value **argv
2474 ){
2475   Tcl_Interp *interp;
2476   Tcl_Obj *pX;
2477   sqlite3_value *pVal;
2478   interp = (Tcl_Interp *)sqlite3_user_data(pCtx);
2479   pX = Tcl_NewStringObj("test_function", -1);
2480   Tcl_IncrRefCount(pX);
2481   Tcl_ListObjAppendElement(interp, pX, Tcl_NewStringObj("UTF-16LE", -1));
2482   Tcl_ListObjAppendElement(interp, pX,
2483       Tcl_NewStringObj((char*)sqlite3_value_text(argv[0]), -1));
2484   Tcl_EvalObjEx(interp, pX, 0);
2485   Tcl_DecrRefCount(pX);
2486   pVal = sqlite3ValueNew(0);
2487   sqlite3ValueSetStr(pVal, -1, Tcl_GetStringResult(interp),
2488       SQLITE_UTF8, SQLITE_STATIC);
2489   sqlite3_result_text(pCtx,(char*)sqlite3_value_text(pVal),-1,SQLITE_TRANSIENT);
2490   sqlite3ValueFree(pVal);
2491 }
2492 static void test_function_utf16be(
2493   sqlite3_context *pCtx,
2494   int nArg,
2495   sqlite3_value **argv
2496 ){
2497   Tcl_Interp *interp;
2498   Tcl_Obj *pX;
2499   sqlite3_value *pVal;
2500   interp = (Tcl_Interp *)sqlite3_user_data(pCtx);
2501   pX = Tcl_NewStringObj("test_function", -1);
2502   Tcl_IncrRefCount(pX);
2503   Tcl_ListObjAppendElement(interp, pX, Tcl_NewStringObj("UTF-16BE", -1));
2504   Tcl_ListObjAppendElement(interp, pX,
2505       Tcl_NewStringObj((char*)sqlite3_value_text(argv[0]), -1));
2506   Tcl_EvalObjEx(interp, pX, 0);
2507   Tcl_DecrRefCount(pX);
2508   pVal = sqlite3ValueNew(0);
2509   sqlite3ValueSetStr(pVal, -1, Tcl_GetStringResult(interp),
2510       SQLITE_UTF8, SQLITE_STATIC);
2511   sqlite3_result_text16(pCtx, sqlite3_value_text16le(pVal),
2512       -1, SQLITE_TRANSIENT);
2513   sqlite3_result_text16be(pCtx, sqlite3_value_text16le(pVal),
2514       -1, SQLITE_TRANSIENT);
2515   sqlite3_result_text16le(pCtx, sqlite3_value_text16le(pVal),
2516       -1, SQLITE_TRANSIENT);
2517   sqlite3ValueFree(pVal);
2518 }
2519 #endif /* SQLITE_OMIT_UTF16 */
2520 static int test_function(
2521   void * clientData,
2522   Tcl_Interp *interp,
2523   int objc,
2524   Tcl_Obj *CONST objv[]
2525 ){
2526 #ifndef SQLITE_OMIT_UTF16
2527   sqlite3 *db;
2528   int val;
2529 
2530   if( objc!=5 ) goto bad_args;
2531   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
2532 
2533   if( TCL_OK!=Tcl_GetBooleanFromObj(interp, objv[2], &val) ) return TCL_ERROR;
2534   if( val ){
2535     sqlite3_create_function(db, "test_function", 1, SQLITE_UTF8,
2536         interp, test_function_utf8, 0, 0);
2537   }
2538   if( TCL_OK!=Tcl_GetBooleanFromObj(interp, objv[3], &val) ) return TCL_ERROR;
2539   if( val ){
2540     sqlite3_create_function(db, "test_function", 1, SQLITE_UTF16LE,
2541         interp, test_function_utf16le, 0, 0);
2542   }
2543   if( TCL_OK!=Tcl_GetBooleanFromObj(interp, objv[4], &val) ) return TCL_ERROR;
2544   if( val ){
2545     sqlite3_create_function(db, "test_function", 1, SQLITE_UTF16BE,
2546         interp, test_function_utf16be, 0, 0);
2547   }
2548 
2549   return TCL_OK;
2550 bad_args:
2551   Tcl_AppendResult(interp, "wrong # args: should be \"",
2552       Tcl_GetStringFromObj(objv[0], 0), " <DB> <utf8> <utf16le> <utf16be>", 0);
2553 #endif /* SQLITE_OMIT_UTF16 */
2554   return TCL_ERROR;
2555 }
2556 
2557 /*
2558 ** Usage:         test_errstr <err code>
2559 **
2560 ** Test that the english language string equivalents for sqlite error codes
2561 ** are sane. The parameter is an integer representing an sqlite error code.
2562 ** The result is a list of two elements, the string representation of the
2563 ** error code and the english language explanation.
2564 */
2565 static int test_errstr(
2566   void * clientData,
2567   Tcl_Interp *interp,
2568   int objc,
2569   Tcl_Obj *CONST objv[]
2570 ){
2571   char *zCode;
2572   int i;
2573   if( objc!=1 ){
2574     Tcl_WrongNumArgs(interp, 1, objv, "<error code>");
2575   }
2576 
2577   zCode = Tcl_GetString(objv[1]);
2578   for(i=0; i<200; i++){
2579     if( 0==strcmp(t1ErrorName(i), zCode) ) break;
2580   }
2581   Tcl_SetResult(interp, (char *)sqlite3ErrStr(i), 0);
2582   return TCL_OK;
2583 }
2584 
2585 /*
2586 ** Usage:    breakpoint
2587 **
2588 ** This routine exists for one purpose - to provide a place to put a
2589 ** breakpoint with GDB that can be triggered using TCL code.  The use
2590 ** for this is when a particular test fails on (say) the 1485th iteration.
2591 ** In the TCL test script, we can add code like this:
2592 **
2593 **     if {$i==1485} breakpoint
2594 **
2595 ** Then run testfixture in the debugger and wait for the breakpoint to
2596 ** fire.  Then additional breakpoints can be set to trace down the bug.
2597 */
2598 static int test_breakpoint(
2599   void *NotUsed,
2600   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
2601   int argc,              /* Number of arguments */
2602   char **argv            /* Text of each argument */
2603 ){
2604   return TCL_OK;         /* Do nothing */
2605 }
2606 
2607 /*
2608 ** Usage:   sqlite3_bind_zeroblob  STMT IDX N
2609 **
2610 ** Test the sqlite3_bind_zeroblob interface.  STMT is a prepared statement.
2611 ** IDX is the index of a wildcard in the prepared statement.  This command
2612 ** binds a N-byte zero-filled BLOB to the wildcard.
2613 */
2614 static int test_bind_zeroblob(
2615   void * clientData,
2616   Tcl_Interp *interp,
2617   int objc,
2618   Tcl_Obj *CONST objv[]
2619 ){
2620   sqlite3_stmt *pStmt;
2621   int idx;
2622   int n;
2623   int rc;
2624 
2625   if( objc!=4 ){
2626     Tcl_WrongNumArgs(interp, 1, objv, "STMT IDX N");
2627     return TCL_ERROR;
2628   }
2629 
2630   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
2631   if( Tcl_GetIntFromObj(interp, objv[2], &idx) ) return TCL_ERROR;
2632   if( Tcl_GetIntFromObj(interp, objv[3], &n) ) return TCL_ERROR;
2633 
2634   rc = sqlite3_bind_zeroblob(pStmt, idx, n);
2635   if( sqlite3TestErrCode(interp, StmtToDb(pStmt), rc) ) return TCL_ERROR;
2636   if( rc!=SQLITE_OK ){
2637     return TCL_ERROR;
2638   }
2639 
2640   return TCL_OK;
2641 }
2642 
2643 /*
2644 ** Usage:   sqlite3_bind_int  STMT N VALUE
2645 **
2646 ** Test the sqlite3_bind_int interface.  STMT is a prepared statement.
2647 ** N is the index of a wildcard in the prepared statement.  This command
2648 ** binds a 32-bit integer VALUE to that wildcard.
2649 */
2650 static int test_bind_int(
2651   void * clientData,
2652   Tcl_Interp *interp,
2653   int objc,
2654   Tcl_Obj *CONST objv[]
2655 ){
2656   sqlite3_stmt *pStmt;
2657   int idx;
2658   int value;
2659   int rc;
2660 
2661   if( objc!=4 ){
2662     Tcl_AppendResult(interp, "wrong # args: should be \"",
2663         Tcl_GetStringFromObj(objv[0], 0), " STMT N VALUE", 0);
2664     return TCL_ERROR;
2665   }
2666 
2667   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
2668   if( Tcl_GetIntFromObj(interp, objv[2], &idx) ) return TCL_ERROR;
2669   if( Tcl_GetIntFromObj(interp, objv[3], &value) ) return TCL_ERROR;
2670 
2671   rc = sqlite3_bind_int(pStmt, idx, value);
2672   if( sqlite3TestErrCode(interp, StmtToDb(pStmt), rc) ) return TCL_ERROR;
2673   if( rc!=SQLITE_OK ){
2674     return TCL_ERROR;
2675   }
2676 
2677   return TCL_OK;
2678 }
2679 
2680 
2681 /*
2682 ** Usage:   sqlite3_bind_int64  STMT N VALUE
2683 **
2684 ** Test the sqlite3_bind_int64 interface.  STMT is a prepared statement.
2685 ** N is the index of a wildcard in the prepared statement.  This command
2686 ** binds a 64-bit integer VALUE to that wildcard.
2687 */
2688 static int test_bind_int64(
2689   void * clientData,
2690   Tcl_Interp *interp,
2691   int objc,
2692   Tcl_Obj *CONST objv[]
2693 ){
2694   sqlite3_stmt *pStmt;
2695   int idx;
2696   i64 value;
2697   int rc;
2698 
2699   if( objc!=4 ){
2700     Tcl_AppendResult(interp, "wrong # args: should be \"",
2701         Tcl_GetStringFromObj(objv[0], 0), " STMT N VALUE", 0);
2702     return TCL_ERROR;
2703   }
2704 
2705   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
2706   if( Tcl_GetIntFromObj(interp, objv[2], &idx) ) return TCL_ERROR;
2707   if( Tcl_GetWideIntFromObj(interp, objv[3], &value) ) return TCL_ERROR;
2708 
2709   rc = sqlite3_bind_int64(pStmt, idx, value);
2710   if( sqlite3TestErrCode(interp, StmtToDb(pStmt), rc) ) return TCL_ERROR;
2711   if( rc!=SQLITE_OK ){
2712     return TCL_ERROR;
2713   }
2714 
2715   return TCL_OK;
2716 }
2717 
2718 
2719 /*
2720 ** Usage:   sqlite3_bind_double  STMT N VALUE
2721 **
2722 ** Test the sqlite3_bind_double interface.  STMT is a prepared statement.
2723 ** N is the index of a wildcard in the prepared statement.  This command
2724 ** binds a 64-bit integer VALUE to that wildcard.
2725 */
2726 static int test_bind_double(
2727   void * clientData,
2728   Tcl_Interp *interp,
2729   int objc,
2730   Tcl_Obj *CONST objv[]
2731 ){
2732   sqlite3_stmt *pStmt;
2733   int idx;
2734   double value;
2735   int rc;
2736   const char *zVal;
2737   int i;
2738   static const struct {
2739     const char *zName;     /* Name of the special floating point value */
2740     unsigned int iUpper;   /* Upper 32 bits */
2741     unsigned int iLower;   /* Lower 32 bits */
2742   } aSpecialFp[] = {
2743     {  "NaN",      0x7fffffff, 0xffffffff },
2744     {  "SNaN",     0x7ff7ffff, 0xffffffff },
2745     {  "-NaN",     0xffffffff, 0xffffffff },
2746     {  "-SNaN",    0xfff7ffff, 0xffffffff },
2747     {  "+Inf",     0x7ff00000, 0x00000000 },
2748     {  "-Inf",     0xfff00000, 0x00000000 },
2749     {  "Epsilon",  0x00000000, 0x00000001 },
2750     {  "-Epsilon", 0x80000000, 0x00000001 },
2751     {  "NaN0",     0x7ff80000, 0x00000000 },
2752     {  "-NaN0",    0xfff80000, 0x00000000 },
2753   };
2754 
2755   if( objc!=4 ){
2756     Tcl_AppendResult(interp, "wrong # args: should be \"",
2757         Tcl_GetStringFromObj(objv[0], 0), " STMT N VALUE", 0);
2758     return TCL_ERROR;
2759   }
2760 
2761   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
2762   if( Tcl_GetIntFromObj(interp, objv[2], &idx) ) return TCL_ERROR;
2763 
2764   /* Intercept the string "NaN" and generate a NaN value for it.
2765   ** All other strings are passed through to Tcl_GetDoubleFromObj().
2766   ** Tcl_GetDoubleFromObj() should understand "NaN" but some versions
2767   ** contain a bug.
2768   */
2769   zVal = Tcl_GetString(objv[3]);
2770   for(i=0; i<sizeof(aSpecialFp)/sizeof(aSpecialFp[0]); i++){
2771     if( strcmp(aSpecialFp[i].zName, zVal)==0 ){
2772       sqlite3_uint64 x;
2773       x = aSpecialFp[i].iUpper;
2774       x <<= 32;
2775       x |= aSpecialFp[i].iLower;
2776       assert( sizeof(value)==8 );
2777       assert( sizeof(x)==8 );
2778       memcpy(&value, &x, 8);
2779       break;
2780     }
2781   }
2782   if( i>=sizeof(aSpecialFp)/sizeof(aSpecialFp[0]) &&
2783          Tcl_GetDoubleFromObj(interp, objv[3], &value) ){
2784     return TCL_ERROR;
2785   }
2786   rc = sqlite3_bind_double(pStmt, idx, value);
2787   if( sqlite3TestErrCode(interp, StmtToDb(pStmt), rc) ) return TCL_ERROR;
2788   if( rc!=SQLITE_OK ){
2789     return TCL_ERROR;
2790   }
2791 
2792   return TCL_OK;
2793 }
2794 
2795 /*
2796 ** Usage:   sqlite3_bind_null  STMT N
2797 **
2798 ** Test the sqlite3_bind_null interface.  STMT is a prepared statement.
2799 ** N is the index of a wildcard in the prepared statement.  This command
2800 ** binds a NULL to the wildcard.
2801 */
2802 static int test_bind_null(
2803   void * clientData,
2804   Tcl_Interp *interp,
2805   int objc,
2806   Tcl_Obj *CONST objv[]
2807 ){
2808   sqlite3_stmt *pStmt;
2809   int idx;
2810   int rc;
2811 
2812   if( objc!=3 ){
2813     Tcl_AppendResult(interp, "wrong # args: should be \"",
2814         Tcl_GetStringFromObj(objv[0], 0), " STMT N", 0);
2815     return TCL_ERROR;
2816   }
2817 
2818   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
2819   if( Tcl_GetIntFromObj(interp, objv[2], &idx) ) return TCL_ERROR;
2820 
2821   rc = sqlite3_bind_null(pStmt, idx);
2822   if( sqlite3TestErrCode(interp, StmtToDb(pStmt), rc) ) return TCL_ERROR;
2823   if( rc!=SQLITE_OK ){
2824     return TCL_ERROR;
2825   }
2826 
2827   return TCL_OK;
2828 }
2829 
2830 /*
2831 ** Usage:   sqlite3_bind_text  STMT N STRING BYTES
2832 **
2833 ** Test the sqlite3_bind_text interface.  STMT is a prepared statement.
2834 ** N is the index of a wildcard in the prepared statement.  This command
2835 ** binds a UTF-8 string STRING to the wildcard.  The string is BYTES bytes
2836 ** long.
2837 */
2838 static int test_bind_text(
2839   void * clientData,
2840   Tcl_Interp *interp,
2841   int objc,
2842   Tcl_Obj *CONST objv[]
2843 ){
2844   sqlite3_stmt *pStmt;
2845   int idx;
2846   int bytes;
2847   char *value;
2848   int rc;
2849 
2850   if( objc!=5 ){
2851     Tcl_AppendResult(interp, "wrong # args: should be \"",
2852         Tcl_GetStringFromObj(objv[0], 0), " STMT N VALUE BYTES", 0);
2853     return TCL_ERROR;
2854   }
2855 
2856   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
2857   if( Tcl_GetIntFromObj(interp, objv[2], &idx) ) return TCL_ERROR;
2858   value = (char*)Tcl_GetByteArrayFromObj(objv[3], &bytes);
2859   if( Tcl_GetIntFromObj(interp, objv[4], &bytes) ) return TCL_ERROR;
2860 
2861   rc = sqlite3_bind_text(pStmt, idx, value, bytes, SQLITE_TRANSIENT);
2862   if( sqlite3TestErrCode(interp, StmtToDb(pStmt), rc) ) return TCL_ERROR;
2863   if( rc!=SQLITE_OK ){
2864     Tcl_AppendResult(interp, sqlite3TestErrorName(rc), 0);
2865     return TCL_ERROR;
2866   }
2867 
2868   return TCL_OK;
2869 }
2870 
2871 /*
2872 ** Usage:   sqlite3_bind_text16 ?-static? STMT N STRING BYTES
2873 **
2874 ** Test the sqlite3_bind_text16 interface.  STMT is a prepared statement.
2875 ** N is the index of a wildcard in the prepared statement.  This command
2876 ** binds a UTF-16 string STRING to the wildcard.  The string is BYTES bytes
2877 ** long.
2878 */
2879 static int test_bind_text16(
2880   void * clientData,
2881   Tcl_Interp *interp,
2882   int objc,
2883   Tcl_Obj *CONST objv[]
2884 ){
2885 #ifndef SQLITE_OMIT_UTF16
2886   sqlite3_stmt *pStmt;
2887   int idx;
2888   int bytes;
2889   char *value;
2890   int rc;
2891 
2892   void (*xDel)() = (objc==6?SQLITE_STATIC:SQLITE_TRANSIENT);
2893   Tcl_Obj *oStmt    = objv[objc-4];
2894   Tcl_Obj *oN       = objv[objc-3];
2895   Tcl_Obj *oString  = objv[objc-2];
2896   Tcl_Obj *oBytes   = objv[objc-1];
2897 
2898   if( objc!=5 && objc!=6){
2899     Tcl_AppendResult(interp, "wrong # args: should be \"",
2900         Tcl_GetStringFromObj(objv[0], 0), " STMT N VALUE BYTES", 0);
2901     return TCL_ERROR;
2902   }
2903 
2904   if( getStmtPointer(interp, Tcl_GetString(oStmt), &pStmt) ) return TCL_ERROR;
2905   if( Tcl_GetIntFromObj(interp, oN, &idx) ) return TCL_ERROR;
2906   value = (char*)Tcl_GetByteArrayFromObj(oString, 0);
2907   if( Tcl_GetIntFromObj(interp, oBytes, &bytes) ) return TCL_ERROR;
2908 
2909   rc = sqlite3_bind_text16(pStmt, idx, (void *)value, bytes, xDel);
2910   if( sqlite3TestErrCode(interp, StmtToDb(pStmt), rc) ) return TCL_ERROR;
2911   if( rc!=SQLITE_OK ){
2912     Tcl_AppendResult(interp, sqlite3TestErrorName(rc), 0);
2913     return TCL_ERROR;
2914   }
2915 
2916 #endif /* SQLITE_OMIT_UTF16 */
2917   return TCL_OK;
2918 }
2919 
2920 /*
2921 ** Usage:   sqlite3_bind_blob ?-static? STMT N DATA BYTES
2922 **
2923 ** Test the sqlite3_bind_blob interface.  STMT is a prepared statement.
2924 ** N is the index of a wildcard in the prepared statement.  This command
2925 ** binds a BLOB to the wildcard.  The BLOB is BYTES bytes in size.
2926 */
2927 static int test_bind_blob(
2928   void * clientData,
2929   Tcl_Interp *interp,
2930   int objc,
2931   Tcl_Obj *CONST objv[]
2932 ){
2933   sqlite3_stmt *pStmt;
2934   int idx;
2935   int bytes;
2936   char *value;
2937   int rc;
2938   sqlite3_destructor_type xDestructor = SQLITE_TRANSIENT;
2939 
2940   if( objc!=5 && objc!=6 ){
2941     Tcl_AppendResult(interp, "wrong # args: should be \"",
2942         Tcl_GetStringFromObj(objv[0], 0), " STMT N DATA BYTES", 0);
2943     return TCL_ERROR;
2944   }
2945 
2946   if( objc==6 ){
2947     xDestructor = SQLITE_STATIC;
2948     objv++;
2949   }
2950 
2951   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
2952   if( Tcl_GetIntFromObj(interp, objv[2], &idx) ) return TCL_ERROR;
2953   value = Tcl_GetString(objv[3]);
2954   if( Tcl_GetIntFromObj(interp, objv[4], &bytes) ) return TCL_ERROR;
2955 
2956   rc = sqlite3_bind_blob(pStmt, idx, value, bytes, xDestructor);
2957   if( sqlite3TestErrCode(interp, StmtToDb(pStmt), rc) ) return TCL_ERROR;
2958   if( rc!=SQLITE_OK ){
2959     return TCL_ERROR;
2960   }
2961 
2962   return TCL_OK;
2963 }
2964 
2965 /*
2966 ** Usage:   sqlite3_bind_parameter_count  STMT
2967 **
2968 ** Return the number of wildcards in the given statement.
2969 */
2970 static int test_bind_parameter_count(
2971   void * clientData,
2972   Tcl_Interp *interp,
2973   int objc,
2974   Tcl_Obj *CONST objv[]
2975 ){
2976   sqlite3_stmt *pStmt;
2977 
2978   if( objc!=2 ){
2979     Tcl_WrongNumArgs(interp, 1, objv, "STMT");
2980     return TCL_ERROR;
2981   }
2982   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
2983   Tcl_SetObjResult(interp, Tcl_NewIntObj(sqlite3_bind_parameter_count(pStmt)));
2984   return TCL_OK;
2985 }
2986 
2987 /*
2988 ** Usage:   sqlite3_bind_parameter_name  STMT  N
2989 **
2990 ** Return the name of the Nth wildcard.  The first wildcard is 1.
2991 ** An empty string is returned if N is out of range or if the wildcard
2992 ** is nameless.
2993 */
2994 static int test_bind_parameter_name(
2995   void * clientData,
2996   Tcl_Interp *interp,
2997   int objc,
2998   Tcl_Obj *CONST objv[]
2999 ){
3000   sqlite3_stmt *pStmt;
3001   int i;
3002 
3003   if( objc!=3 ){
3004     Tcl_WrongNumArgs(interp, 1, objv, "STMT N");
3005     return TCL_ERROR;
3006   }
3007   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
3008   if( Tcl_GetIntFromObj(interp, objv[2], &i) ) return TCL_ERROR;
3009   Tcl_SetObjResult(interp,
3010      Tcl_NewStringObj(sqlite3_bind_parameter_name(pStmt,i),-1)
3011   );
3012   return TCL_OK;
3013 }
3014 
3015 /*
3016 ** Usage:   sqlite3_bind_parameter_index  STMT  NAME
3017 **
3018 ** Return the index of the wildcard called NAME.  Return 0 if there is
3019 ** no such wildcard.
3020 */
3021 static int test_bind_parameter_index(
3022   void * clientData,
3023   Tcl_Interp *interp,
3024   int objc,
3025   Tcl_Obj *CONST objv[]
3026 ){
3027   sqlite3_stmt *pStmt;
3028 
3029   if( objc!=3 ){
3030     Tcl_WrongNumArgs(interp, 1, objv, "STMT NAME");
3031     return TCL_ERROR;
3032   }
3033   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
3034   Tcl_SetObjResult(interp,
3035      Tcl_NewIntObj(
3036        sqlite3_bind_parameter_index(pStmt,Tcl_GetString(objv[2]))
3037      )
3038   );
3039   return TCL_OK;
3040 }
3041 
3042 /*
3043 ** Usage:   sqlite3_clear_bindings STMT
3044 **
3045 */
3046 static int test_clear_bindings(
3047   void * clientData,
3048   Tcl_Interp *interp,
3049   int objc,
3050   Tcl_Obj *CONST objv[]
3051 ){
3052   sqlite3_stmt *pStmt;
3053 
3054   if( objc!=2 ){
3055     Tcl_WrongNumArgs(interp, 1, objv, "STMT");
3056     return TCL_ERROR;
3057   }
3058   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
3059   Tcl_SetObjResult(interp, Tcl_NewIntObj(sqlite3_clear_bindings(pStmt)));
3060   return TCL_OK;
3061 }
3062 
3063 /*
3064 ** Usage:   sqlite3_sleep MILLISECONDS
3065 */
3066 static int test_sleep(
3067   void * clientData,
3068   Tcl_Interp *interp,
3069   int objc,
3070   Tcl_Obj *CONST objv[]
3071 ){
3072   int ms;
3073 
3074   if( objc!=2 ){
3075     Tcl_WrongNumArgs(interp, 1, objv, "MILLISECONDS");
3076     return TCL_ERROR;
3077   }
3078   if( Tcl_GetIntFromObj(interp, objv[1], &ms) ){
3079     return TCL_ERROR;
3080   }
3081   Tcl_SetObjResult(interp, Tcl_NewIntObj(sqlite3_sleep(ms)));
3082   return TCL_OK;
3083 }
3084 
3085 /*
3086 ** Usage: sqlite3_extended_errcode DB
3087 **
3088 ** Return the string representation of the most recent sqlite3_* API
3089 ** error code. e.g. "SQLITE_ERROR".
3090 */
3091 static int test_ex_errcode(
3092   void * clientData,
3093   Tcl_Interp *interp,
3094   int objc,
3095   Tcl_Obj *CONST objv[]
3096 ){
3097   sqlite3 *db;
3098   int rc;
3099 
3100   if( objc!=2 ){
3101     Tcl_AppendResult(interp, "wrong # args: should be \"",
3102        Tcl_GetString(objv[0]), " DB", 0);
3103     return TCL_ERROR;
3104   }
3105   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
3106   rc = sqlite3_extended_errcode(db);
3107   Tcl_AppendResult(interp, (char *)t1ErrorName(rc), 0);
3108   return TCL_OK;
3109 }
3110 
3111 
3112 /*
3113 ** Usage: sqlite3_errcode DB
3114 **
3115 ** Return the string representation of the most recent sqlite3_* API
3116 ** error code. e.g. "SQLITE_ERROR".
3117 */
3118 static int test_errcode(
3119   void * clientData,
3120   Tcl_Interp *interp,
3121   int objc,
3122   Tcl_Obj *CONST objv[]
3123 ){
3124   sqlite3 *db;
3125   int rc;
3126 
3127   if( objc!=2 ){
3128     Tcl_AppendResult(interp, "wrong # args: should be \"",
3129        Tcl_GetString(objv[0]), " DB", 0);
3130     return TCL_ERROR;
3131   }
3132   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
3133   rc = sqlite3_errcode(db);
3134   Tcl_AppendResult(interp, (char *)t1ErrorName(rc), 0);
3135   return TCL_OK;
3136 }
3137 
3138 /*
3139 ** Usage:   test_errmsg DB
3140 **
3141 ** Returns the UTF-8 representation of the error message string for the
3142 ** most recent sqlite3_* API call.
3143 */
3144 static int test_errmsg(
3145   void * clientData,
3146   Tcl_Interp *interp,
3147   int objc,
3148   Tcl_Obj *CONST objv[]
3149 ){
3150   sqlite3 *db;
3151   const char *zErr;
3152 
3153   if( objc!=2 ){
3154     Tcl_AppendResult(interp, "wrong # args: should be \"",
3155        Tcl_GetString(objv[0]), " DB", 0);
3156     return TCL_ERROR;
3157   }
3158   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
3159 
3160   zErr = sqlite3_errmsg(db);
3161   Tcl_SetObjResult(interp, Tcl_NewStringObj(zErr, -1));
3162   return TCL_OK;
3163 }
3164 
3165 /*
3166 ** Usage:   test_errmsg16 DB
3167 **
3168 ** Returns the UTF-16 representation of the error message string for the
3169 ** most recent sqlite3_* API call. This is a byte array object at the TCL
3170 ** level, and it includes the 0x00 0x00 terminator bytes at the end of the
3171 ** UTF-16 string.
3172 */
3173 static int test_errmsg16(
3174   void * clientData,
3175   Tcl_Interp *interp,
3176   int objc,
3177   Tcl_Obj *CONST objv[]
3178 ){
3179 #ifndef SQLITE_OMIT_UTF16
3180   sqlite3 *db;
3181   const void *zErr;
3182   int bytes = 0;
3183 
3184   if( objc!=2 ){
3185     Tcl_AppendResult(interp, "wrong # args: should be \"",
3186        Tcl_GetString(objv[0]), " DB", 0);
3187     return TCL_ERROR;
3188   }
3189   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
3190 
3191   zErr = sqlite3_errmsg16(db);
3192   if( zErr ){
3193     bytes = sqlite3Utf16ByteLen(zErr, -1);
3194   }
3195   Tcl_SetObjResult(interp, Tcl_NewByteArrayObj(zErr, bytes));
3196 #endif /* SQLITE_OMIT_UTF16 */
3197   return TCL_OK;
3198 }
3199 
3200 /*
3201 ** Usage: sqlite3_prepare DB sql bytes tailvar
3202 **
3203 ** Compile up to <bytes> bytes of the supplied SQL string <sql> using
3204 ** database handle <DB>. The parameter <tailval> is the name of a global
3205 ** variable that is set to the unused portion of <sql> (if any). A
3206 ** STMT handle is returned.
3207 */
3208 static int test_prepare(
3209   void * clientData,
3210   Tcl_Interp *interp,
3211   int objc,
3212   Tcl_Obj *CONST objv[]
3213 ){
3214   sqlite3 *db;
3215   const char *zSql;
3216   int bytes;
3217   const char *zTail = 0;
3218   sqlite3_stmt *pStmt = 0;
3219   char zBuf[50];
3220   int rc;
3221 
3222   if( objc!=5 ){
3223     Tcl_AppendResult(interp, "wrong # args: should be \"",
3224        Tcl_GetString(objv[0]), " DB sql bytes tailvar", 0);
3225     return TCL_ERROR;
3226   }
3227   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
3228   zSql = Tcl_GetString(objv[2]);
3229   if( Tcl_GetIntFromObj(interp, objv[3], &bytes) ) return TCL_ERROR;
3230 
3231   rc = sqlite3_prepare(db, zSql, bytes, &pStmt, &zTail);
3232   if( sqlite3TestErrCode(interp, db, rc) ) return TCL_ERROR;
3233   if( zTail ){
3234     if( bytes>=0 ){
3235       bytes = bytes - (zTail-zSql);
3236     }
3237     if( strlen(zTail)<bytes ){
3238       bytes = strlen(zTail);
3239     }
3240     Tcl_ObjSetVar2(interp, objv[4], 0, Tcl_NewStringObj(zTail, bytes), 0);
3241   }
3242   if( rc!=SQLITE_OK ){
3243     assert( pStmt==0 );
3244     sprintf(zBuf, "(%d) ", rc);
3245     Tcl_AppendResult(interp, zBuf, sqlite3_errmsg(db), 0);
3246     return TCL_ERROR;
3247   }
3248 
3249   if( pStmt ){
3250     if( sqlite3TestMakePointerStr(interp, zBuf, pStmt) ) return TCL_ERROR;
3251     Tcl_AppendResult(interp, zBuf, 0);
3252   }
3253   return TCL_OK;
3254 }
3255 
3256 /*
3257 ** Usage: sqlite3_prepare_v2 DB sql bytes tailvar
3258 **
3259 ** Compile up to <bytes> bytes of the supplied SQL string <sql> using
3260 ** database handle <DB>. The parameter <tailval> is the name of a global
3261 ** variable that is set to the unused portion of <sql> (if any). A
3262 ** STMT handle is returned.
3263 */
3264 static int test_prepare_v2(
3265   void * clientData,
3266   Tcl_Interp *interp,
3267   int objc,
3268   Tcl_Obj *CONST objv[]
3269 ){
3270   sqlite3 *db;
3271   const char *zSql;
3272   int bytes;
3273   const char *zTail = 0;
3274   sqlite3_stmt *pStmt = 0;
3275   char zBuf[50];
3276   int rc;
3277 
3278   if( objc!=5 ){
3279     Tcl_AppendResult(interp, "wrong # args: should be \"",
3280        Tcl_GetString(objv[0]), " DB sql bytes tailvar", 0);
3281     return TCL_ERROR;
3282   }
3283   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
3284   zSql = Tcl_GetString(objv[2]);
3285   if( Tcl_GetIntFromObj(interp, objv[3], &bytes) ) return TCL_ERROR;
3286 
3287   rc = sqlite3_prepare_v2(db, zSql, bytes, &pStmt, &zTail);
3288   assert(rc==SQLITE_OK || pStmt==0);
3289   if( sqlite3TestErrCode(interp, db, rc) ) return TCL_ERROR;
3290   if( zTail ){
3291     if( bytes>=0 ){
3292       bytes = bytes - (zTail-zSql);
3293     }
3294     Tcl_ObjSetVar2(interp, objv[4], 0, Tcl_NewStringObj(zTail, bytes), 0);
3295   }
3296   if( rc!=SQLITE_OK ){
3297     assert( pStmt==0 );
3298     sprintf(zBuf, "(%d) ", rc);
3299     Tcl_AppendResult(interp, zBuf, sqlite3_errmsg(db), 0);
3300     return TCL_ERROR;
3301   }
3302 
3303   if( pStmt ){
3304     if( sqlite3TestMakePointerStr(interp, zBuf, pStmt) ) return TCL_ERROR;
3305     Tcl_AppendResult(interp, zBuf, 0);
3306   }
3307   return TCL_OK;
3308 }
3309 
3310 /*
3311 ** Usage: sqlite3_prepare_tkt3134 DB
3312 **
3313 ** Generate a prepared statement for a zero-byte string as a test
3314 ** for ticket #3134.  The string should be preceeded by a zero byte.
3315 */
3316 static int test_prepare_tkt3134(
3317   void * clientData,
3318   Tcl_Interp *interp,
3319   int objc,
3320   Tcl_Obj *CONST objv[]
3321 ){
3322   sqlite3 *db;
3323   static const char zSql[] = "\000SELECT 1";
3324   sqlite3_stmt *pStmt = 0;
3325   char zBuf[50];
3326   int rc;
3327 
3328   if( objc!=2 ){
3329     Tcl_AppendResult(interp, "wrong # args: should be \"",
3330        Tcl_GetString(objv[0]), " DB sql bytes tailvar", 0);
3331     return TCL_ERROR;
3332   }
3333   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
3334   rc = sqlite3_prepare_v2(db, &zSql[1], 0, &pStmt, 0);
3335   assert(rc==SQLITE_OK || pStmt==0);
3336   if( sqlite3TestErrCode(interp, db, rc) ) return TCL_ERROR;
3337   if( rc!=SQLITE_OK ){
3338     assert( pStmt==0 );
3339     sprintf(zBuf, "(%d) ", rc);
3340     Tcl_AppendResult(interp, zBuf, sqlite3_errmsg(db), 0);
3341     return TCL_ERROR;
3342   }
3343 
3344   if( pStmt ){
3345     if( sqlite3TestMakePointerStr(interp, zBuf, pStmt) ) return TCL_ERROR;
3346     Tcl_AppendResult(interp, zBuf, 0);
3347   }
3348   return TCL_OK;
3349 }
3350 
3351 /*
3352 ** Usage: sqlite3_prepare16 DB sql bytes tailvar
3353 **
3354 ** Compile up to <bytes> bytes of the supplied SQL string <sql> using
3355 ** database handle <DB>. The parameter <tailval> is the name of a global
3356 ** variable that is set to the unused portion of <sql> (if any). A
3357 ** STMT handle is returned.
3358 */
3359 static int test_prepare16(
3360   void * clientData,
3361   Tcl_Interp *interp,
3362   int objc,
3363   Tcl_Obj *CONST objv[]
3364 ){
3365 #ifndef SQLITE_OMIT_UTF16
3366   sqlite3 *db;
3367   const void *zSql;
3368   const void *zTail = 0;
3369   Tcl_Obj *pTail = 0;
3370   sqlite3_stmt *pStmt = 0;
3371   char zBuf[50];
3372   int rc;
3373   int bytes;                /* The integer specified as arg 3 */
3374   int objlen;               /* The byte-array length of arg 2 */
3375 
3376   if( objc!=5 ){
3377     Tcl_AppendResult(interp, "wrong # args: should be \"",
3378        Tcl_GetString(objv[0]), " DB sql bytes tailvar", 0);
3379     return TCL_ERROR;
3380   }
3381   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
3382   zSql = Tcl_GetByteArrayFromObj(objv[2], &objlen);
3383   if( Tcl_GetIntFromObj(interp, objv[3], &bytes) ) return TCL_ERROR;
3384 
3385   rc = sqlite3_prepare16(db, zSql, bytes, &pStmt, &zTail);
3386   if( sqlite3TestErrCode(interp, db, rc) ) return TCL_ERROR;
3387   if( rc ){
3388     return TCL_ERROR;
3389   }
3390 
3391   if( zTail ){
3392     objlen = objlen - ((u8 *)zTail-(u8 *)zSql);
3393   }else{
3394     objlen = 0;
3395   }
3396   pTail = Tcl_NewByteArrayObj((u8 *)zTail, objlen);
3397   Tcl_IncrRefCount(pTail);
3398   Tcl_ObjSetVar2(interp, objv[4], 0, pTail, 0);
3399   Tcl_DecrRefCount(pTail);
3400 
3401   if( pStmt ){
3402     if( sqlite3TestMakePointerStr(interp, zBuf, pStmt) ) return TCL_ERROR;
3403   }
3404   Tcl_AppendResult(interp, zBuf, 0);
3405 #endif /* SQLITE_OMIT_UTF16 */
3406   return TCL_OK;
3407 }
3408 
3409 /*
3410 ** Usage: sqlite3_prepare16_v2 DB sql bytes tailvar
3411 **
3412 ** Compile up to <bytes> bytes of the supplied SQL string <sql> using
3413 ** database handle <DB>. The parameter <tailval> is the name of a global
3414 ** variable that is set to the unused portion of <sql> (if any). A
3415 ** STMT handle is returned.
3416 */
3417 static int test_prepare16_v2(
3418   void * clientData,
3419   Tcl_Interp *interp,
3420   int objc,
3421   Tcl_Obj *CONST objv[]
3422 ){
3423 #ifndef SQLITE_OMIT_UTF16
3424   sqlite3 *db;
3425   const void *zSql;
3426   const void *zTail = 0;
3427   Tcl_Obj *pTail = 0;
3428   sqlite3_stmt *pStmt = 0;
3429   char zBuf[50];
3430   int rc;
3431   int bytes;                /* The integer specified as arg 3 */
3432   int objlen;               /* The byte-array length of arg 2 */
3433 
3434   if( objc!=5 ){
3435     Tcl_AppendResult(interp, "wrong # args: should be \"",
3436        Tcl_GetString(objv[0]), " DB sql bytes tailvar", 0);
3437     return TCL_ERROR;
3438   }
3439   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
3440   zSql = Tcl_GetByteArrayFromObj(objv[2], &objlen);
3441   if( Tcl_GetIntFromObj(interp, objv[3], &bytes) ) return TCL_ERROR;
3442 
3443   rc = sqlite3_prepare16_v2(db, zSql, bytes, &pStmt, &zTail);
3444   if( sqlite3TestErrCode(interp, db, rc) ) return TCL_ERROR;
3445   if( rc ){
3446     return TCL_ERROR;
3447   }
3448 
3449   if( zTail ){
3450     objlen = objlen - ((u8 *)zTail-(u8 *)zSql);
3451   }else{
3452     objlen = 0;
3453   }
3454   pTail = Tcl_NewByteArrayObj((u8 *)zTail, objlen);
3455   Tcl_IncrRefCount(pTail);
3456   Tcl_ObjSetVar2(interp, objv[4], 0, pTail, 0);
3457   Tcl_DecrRefCount(pTail);
3458 
3459   if( pStmt ){
3460     if( sqlite3TestMakePointerStr(interp, zBuf, pStmt) ) return TCL_ERROR;
3461   }
3462   Tcl_AppendResult(interp, zBuf, 0);
3463 #endif /* SQLITE_OMIT_UTF16 */
3464   return TCL_OK;
3465 }
3466 
3467 /*
3468 ** Usage: sqlite3_open filename ?options-list?
3469 */
3470 static int test_open(
3471   void * clientData,
3472   Tcl_Interp *interp,
3473   int objc,
3474   Tcl_Obj *CONST objv[]
3475 ){
3476   const char *zFilename;
3477   sqlite3 *db;
3478   int rc;
3479   char zBuf[100];
3480 
3481   if( objc!=3 && objc!=2 && objc!=1 ){
3482     Tcl_AppendResult(interp, "wrong # args: should be \"",
3483        Tcl_GetString(objv[0]), " filename options-list", 0);
3484     return TCL_ERROR;
3485   }
3486 
3487   zFilename = objc>1 ? Tcl_GetString(objv[1]) : 0;
3488   rc = sqlite3_open(zFilename, &db);
3489 
3490   if( sqlite3TestMakePointerStr(interp, zBuf, db) ) return TCL_ERROR;
3491   Tcl_AppendResult(interp, zBuf, 0);
3492   return TCL_OK;
3493 }
3494 
3495 /*
3496 ** Usage: sqlite3_open16 filename options
3497 */
3498 static int test_open16(
3499   void * clientData,
3500   Tcl_Interp *interp,
3501   int objc,
3502   Tcl_Obj *CONST objv[]
3503 ){
3504 #ifndef SQLITE_OMIT_UTF16
3505   const void *zFilename;
3506   sqlite3 *db;
3507   int rc;
3508   char zBuf[100];
3509 
3510   if( objc!=3 ){
3511     Tcl_AppendResult(interp, "wrong # args: should be \"",
3512        Tcl_GetString(objv[0]), " filename options-list", 0);
3513     return TCL_ERROR;
3514   }
3515 
3516   zFilename = Tcl_GetByteArrayFromObj(objv[1], 0);
3517   rc = sqlite3_open16(zFilename, &db);
3518 
3519   if( sqlite3TestMakePointerStr(interp, zBuf, db) ) return TCL_ERROR;
3520   Tcl_AppendResult(interp, zBuf, 0);
3521 #endif /* SQLITE_OMIT_UTF16 */
3522   return TCL_OK;
3523 }
3524 
3525 /*
3526 ** Usage: sqlite3_complete16 <UTF-16 string>
3527 **
3528 ** Return 1 if the supplied argument is a complete SQL statement, or zero
3529 ** otherwise.
3530 */
3531 static int test_complete16(
3532   void * clientData,
3533   Tcl_Interp *interp,
3534   int objc,
3535   Tcl_Obj *CONST objv[]
3536 ){
3537 #if !defined(SQLITE_OMIT_COMPLETE) && !defined(SQLITE_OMIT_UTF16)
3538   char *zBuf;
3539 
3540   if( objc!=2 ){
3541     Tcl_WrongNumArgs(interp, 1, objv, "<utf-16 sql>");
3542     return TCL_ERROR;
3543   }
3544 
3545   zBuf = (char*)Tcl_GetByteArrayFromObj(objv[1], 0);
3546   Tcl_SetObjResult(interp, Tcl_NewIntObj(sqlite3_complete16(zBuf)));
3547 #endif /* SQLITE_OMIT_COMPLETE && SQLITE_OMIT_UTF16 */
3548   return TCL_OK;
3549 }
3550 
3551 /*
3552 ** Usage: sqlite3_step STMT
3553 **
3554 ** Advance the statement to the next row.
3555 */
3556 static int test_step(
3557   void * clientData,
3558   Tcl_Interp *interp,
3559   int objc,
3560   Tcl_Obj *CONST objv[]
3561 ){
3562   sqlite3_stmt *pStmt;
3563   int rc;
3564 
3565   if( objc!=2 ){
3566     Tcl_AppendResult(interp, "wrong # args: should be \"",
3567        Tcl_GetString(objv[0]), " STMT", 0);
3568     return TCL_ERROR;
3569   }
3570 
3571   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
3572   rc = sqlite3_step(pStmt);
3573 
3574   /* if( rc!=SQLITE_DONE && rc!=SQLITE_ROW ) return TCL_ERROR; */
3575   Tcl_SetResult(interp, (char *)t1ErrorName(rc), 0);
3576   return TCL_OK;
3577 }
3578 
3579 /*
3580 ** Usage: sqlite3_column_count STMT
3581 **
3582 ** Return the number of columns returned by the sql statement STMT.
3583 */
3584 static int test_column_count(
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_AppendResult(interp, "wrong # args: should be \"",
3594        Tcl_GetString(objv[0]), " STMT column", 0);
3595     return TCL_ERROR;
3596   }
3597 
3598   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
3599 
3600   Tcl_SetObjResult(interp, Tcl_NewIntObj(sqlite3_column_count(pStmt)));
3601   return TCL_OK;
3602 }
3603 
3604 /*
3605 ** Usage: sqlite3_column_type STMT column
3606 **
3607 ** Return the type of the data in column 'column' of the current row.
3608 */
3609 static int test_column_type(
3610   void * clientData,
3611   Tcl_Interp *interp,
3612   int objc,
3613   Tcl_Obj *CONST objv[]
3614 ){
3615   sqlite3_stmt *pStmt;
3616   int col;
3617   int tp;
3618 
3619   if( objc!=3 ){
3620     Tcl_AppendResult(interp, "wrong # args: should be \"",
3621        Tcl_GetString(objv[0]), " STMT column", 0);
3622     return TCL_ERROR;
3623   }
3624 
3625   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
3626   if( Tcl_GetIntFromObj(interp, objv[2], &col) ) return TCL_ERROR;
3627 
3628   tp = sqlite3_column_type(pStmt, col);
3629   switch( tp ){
3630     case SQLITE_INTEGER:
3631       Tcl_SetResult(interp, "INTEGER", TCL_STATIC);
3632       break;
3633     case SQLITE_NULL:
3634       Tcl_SetResult(interp, "NULL", TCL_STATIC);
3635       break;
3636     case SQLITE_FLOAT:
3637       Tcl_SetResult(interp, "FLOAT", TCL_STATIC);
3638       break;
3639     case SQLITE_TEXT:
3640       Tcl_SetResult(interp, "TEXT", TCL_STATIC);
3641       break;
3642     case SQLITE_BLOB:
3643       Tcl_SetResult(interp, "BLOB", TCL_STATIC);
3644       break;
3645     default:
3646       assert(0);
3647   }
3648 
3649   return TCL_OK;
3650 }
3651 
3652 /*
3653 ** Usage: sqlite3_column_int64 STMT column
3654 **
3655 ** Return the data in column 'column' of the current row cast as an
3656 ** wide (64-bit) integer.
3657 */
3658 static int test_column_int64(
3659   void * clientData,
3660   Tcl_Interp *interp,
3661   int objc,
3662   Tcl_Obj *CONST objv[]
3663 ){
3664   sqlite3_stmt *pStmt;
3665   int col;
3666   i64 iVal;
3667 
3668   if( objc!=3 ){
3669     Tcl_AppendResult(interp, "wrong # args: should be \"",
3670        Tcl_GetString(objv[0]), " STMT column", 0);
3671     return TCL_ERROR;
3672   }
3673 
3674   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
3675   if( Tcl_GetIntFromObj(interp, objv[2], &col) ) return TCL_ERROR;
3676 
3677   iVal = sqlite3_column_int64(pStmt, col);
3678   Tcl_SetObjResult(interp, Tcl_NewWideIntObj(iVal));
3679   return TCL_OK;
3680 }
3681 
3682 /*
3683 ** Usage: sqlite3_column_blob STMT column
3684 */
3685 static int test_column_blob(
3686   void * clientData,
3687   Tcl_Interp *interp,
3688   int objc,
3689   Tcl_Obj *CONST objv[]
3690 ){
3691   sqlite3_stmt *pStmt;
3692   int col;
3693 
3694   int len;
3695   const void *pBlob;
3696 
3697   if( objc!=3 ){
3698     Tcl_AppendResult(interp, "wrong # args: should be \"",
3699        Tcl_GetString(objv[0]), " STMT column", 0);
3700     return TCL_ERROR;
3701   }
3702 
3703   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
3704   if( Tcl_GetIntFromObj(interp, objv[2], &col) ) return TCL_ERROR;
3705 
3706   len = sqlite3_column_bytes(pStmt, col);
3707   pBlob = sqlite3_column_blob(pStmt, col);
3708   Tcl_SetObjResult(interp, Tcl_NewByteArrayObj(pBlob, len));
3709   return TCL_OK;
3710 }
3711 
3712 /*
3713 ** Usage: sqlite3_column_double STMT column
3714 **
3715 ** Return the data in column 'column' of the current row cast as a double.
3716 */
3717 static int test_column_double(
3718   void * clientData,
3719   Tcl_Interp *interp,
3720   int objc,
3721   Tcl_Obj *CONST objv[]
3722 ){
3723   sqlite3_stmt *pStmt;
3724   int col;
3725   double rVal;
3726 
3727   if( objc!=3 ){
3728     Tcl_AppendResult(interp, "wrong # args: should be \"",
3729        Tcl_GetString(objv[0]), " STMT column", 0);
3730     return TCL_ERROR;
3731   }
3732 
3733   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
3734   if( Tcl_GetIntFromObj(interp, objv[2], &col) ) return TCL_ERROR;
3735 
3736   rVal = sqlite3_column_double(pStmt, col);
3737   Tcl_SetObjResult(interp, Tcl_NewDoubleObj(rVal));
3738   return TCL_OK;
3739 }
3740 
3741 /*
3742 ** Usage: sqlite3_data_count STMT
3743 **
3744 ** Return the number of columns returned by the sql statement STMT.
3745 */
3746 static int test_data_count(
3747   void * clientData,
3748   Tcl_Interp *interp,
3749   int objc,
3750   Tcl_Obj *CONST objv[]
3751 ){
3752   sqlite3_stmt *pStmt;
3753 
3754   if( objc!=2 ){
3755     Tcl_AppendResult(interp, "wrong # args: should be \"",
3756        Tcl_GetString(objv[0]), " STMT column", 0);
3757     return TCL_ERROR;
3758   }
3759 
3760   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
3761 
3762   Tcl_SetObjResult(interp, Tcl_NewIntObj(sqlite3_data_count(pStmt)));
3763   return TCL_OK;
3764 }
3765 
3766 /*
3767 ** Usage: sqlite3_column_text STMT column
3768 **
3769 ** Usage: sqlite3_column_decltype STMT column
3770 **
3771 ** Usage: sqlite3_column_name STMT column
3772 */
3773 static int test_stmt_utf8(
3774   void * clientData,        /* Pointer to SQLite API function to be invoke */
3775   Tcl_Interp *interp,
3776   int objc,
3777   Tcl_Obj *CONST objv[]
3778 ){
3779   sqlite3_stmt *pStmt;
3780   int col;
3781   const char *(*xFunc)(sqlite3_stmt*, int);
3782   const char *zRet;
3783 
3784   xFunc = (const char *(*)(sqlite3_stmt*, int))clientData;
3785   if( objc!=3 ){
3786     Tcl_AppendResult(interp, "wrong # args: should be \"",
3787        Tcl_GetString(objv[0]), " STMT column", 0);
3788     return TCL_ERROR;
3789   }
3790 
3791   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
3792   if( Tcl_GetIntFromObj(interp, objv[2], &col) ) return TCL_ERROR;
3793   zRet = xFunc(pStmt, col);
3794   if( zRet ){
3795     Tcl_SetResult(interp, (char *)zRet, 0);
3796   }
3797   return TCL_OK;
3798 }
3799 
3800 static int test_global_recover(
3801   void * clientData,
3802   Tcl_Interp *interp,
3803   int objc,
3804   Tcl_Obj *CONST objv[]
3805 ){
3806 #ifndef SQLITE_OMIT_GLOBALRECOVER
3807 #ifndef SQLITE_OMIT_DEPRECATED
3808   int rc;
3809   if( objc!=1 ){
3810     Tcl_WrongNumArgs(interp, 1, objv, "");
3811     return TCL_ERROR;
3812   }
3813   rc = sqlite3_global_recover();
3814   Tcl_SetResult(interp, (char *)t1ErrorName(rc), TCL_STATIC);
3815 #endif
3816 #endif
3817   return TCL_OK;
3818 }
3819 
3820 /*
3821 ** Usage: sqlite3_column_text STMT column
3822 **
3823 ** Usage: sqlite3_column_decltype STMT column
3824 **
3825 ** Usage: sqlite3_column_name STMT column
3826 */
3827 static int test_stmt_utf16(
3828   void * clientData,     /* Pointer to SQLite API function to be invoked */
3829   Tcl_Interp *interp,
3830   int objc,
3831   Tcl_Obj *CONST objv[]
3832 ){
3833 #ifndef SQLITE_OMIT_UTF16
3834   sqlite3_stmt *pStmt;
3835   int col;
3836   Tcl_Obj *pRet;
3837   const void *zName16;
3838   const void *(*xFunc)(sqlite3_stmt*, int);
3839 
3840   xFunc = (const void *(*)(sqlite3_stmt*, int))clientData;
3841   if( objc!=3 ){
3842     Tcl_AppendResult(interp, "wrong # args: should be \"",
3843        Tcl_GetString(objv[0]), " STMT column", 0);
3844     return TCL_ERROR;
3845   }
3846 
3847   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
3848   if( Tcl_GetIntFromObj(interp, objv[2], &col) ) return TCL_ERROR;
3849 
3850   zName16 = xFunc(pStmt, col);
3851   if( zName16 ){
3852     pRet = Tcl_NewByteArrayObj(zName16, sqlite3Utf16ByteLen(zName16, -1)+2);
3853     Tcl_SetObjResult(interp, pRet);
3854   }
3855 #endif /* SQLITE_OMIT_UTF16 */
3856 
3857   return TCL_OK;
3858 }
3859 
3860 /*
3861 ** Usage: sqlite3_column_int STMT column
3862 **
3863 ** Usage: sqlite3_column_bytes STMT column
3864 **
3865 ** Usage: sqlite3_column_bytes16 STMT column
3866 **
3867 */
3868 static int test_stmt_int(
3869   void * clientData,    /* Pointer to SQLite API function to be invoked */
3870   Tcl_Interp *interp,
3871   int objc,
3872   Tcl_Obj *CONST objv[]
3873 ){
3874   sqlite3_stmt *pStmt;
3875   int col;
3876   int (*xFunc)(sqlite3_stmt*, int);
3877 
3878   xFunc = (int (*)(sqlite3_stmt*, int))clientData;
3879   if( objc!=3 ){
3880     Tcl_AppendResult(interp, "wrong # args: should be \"",
3881        Tcl_GetString(objv[0]), " STMT column", 0);
3882     return TCL_ERROR;
3883   }
3884 
3885   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
3886   if( Tcl_GetIntFromObj(interp, objv[2], &col) ) return TCL_ERROR;
3887 
3888   Tcl_SetObjResult(interp, Tcl_NewIntObj(xFunc(pStmt, col)));
3889   return TCL_OK;
3890 }
3891 
3892 /*
3893 ** Usage:  sqlite_set_magic  DB  MAGIC-NUMBER
3894 **
3895 ** Set the db->magic value.  This is used to test error recovery logic.
3896 */
3897 static int sqlite_set_magic(
3898   void * clientData,
3899   Tcl_Interp *interp,
3900   int argc,
3901   char **argv
3902 ){
3903   sqlite3 *db;
3904   if( argc!=3 ){
3905     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
3906          " DB MAGIC", 0);
3907     return TCL_ERROR;
3908   }
3909   if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
3910   if( strcmp(argv[2], "SQLITE_MAGIC_OPEN")==0 ){
3911     db->magic = SQLITE_MAGIC_OPEN;
3912   }else if( strcmp(argv[2], "SQLITE_MAGIC_CLOSED")==0 ){
3913     db->magic = SQLITE_MAGIC_CLOSED;
3914   }else if( strcmp(argv[2], "SQLITE_MAGIC_BUSY")==0 ){
3915     db->magic = SQLITE_MAGIC_BUSY;
3916   }else if( strcmp(argv[2], "SQLITE_MAGIC_ERROR")==0 ){
3917     db->magic = SQLITE_MAGIC_ERROR;
3918   }else if( Tcl_GetInt(interp, argv[2], (int*)&db->magic) ){
3919     return TCL_ERROR;
3920   }
3921   return TCL_OK;
3922 }
3923 
3924 /*
3925 ** Usage:  sqlite3_interrupt  DB
3926 **
3927 ** Trigger an interrupt on DB
3928 */
3929 static int test_interrupt(
3930   void * clientData,
3931   Tcl_Interp *interp,
3932   int argc,
3933   char **argv
3934 ){
3935   sqlite3 *db;
3936   if( argc!=2 ){
3937     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0], " DB", 0);
3938     return TCL_ERROR;
3939   }
3940   if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
3941   sqlite3_interrupt(db);
3942   return TCL_OK;
3943 }
3944 
3945 static u8 *sqlite3_stack_baseline = 0;
3946 
3947 /*
3948 ** Fill the stack with a known bitpattern.
3949 */
3950 static void prepStack(void){
3951   int i;
3952   u32 bigBuf[65536];
3953   for(i=0; i<sizeof(bigBuf); i++) bigBuf[i] = 0xdeadbeef;
3954   sqlite3_stack_baseline = (u8*)&bigBuf[65536];
3955 }
3956 
3957 /*
3958 ** Get the current stack depth.  Used for debugging only.
3959 */
3960 u64 sqlite3StackDepth(void){
3961   u8 x;
3962   return (u64)(sqlite3_stack_baseline - &x);
3963 }
3964 
3965 /*
3966 ** Usage:  sqlite3_stack_used DB SQL
3967 **
3968 ** Try to measure the amount of stack space used by a call to sqlite3_exec
3969 */
3970 static int test_stack_used(
3971   void * clientData,
3972   Tcl_Interp *interp,
3973   int argc,
3974   char **argv
3975 ){
3976   sqlite3 *db;
3977   int i;
3978   if( argc!=3 ){
3979     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
3980         " DB SQL", 0);
3981     return TCL_ERROR;
3982   }
3983   if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
3984   prepStack();
3985   (void)sqlite3_exec(db, argv[2], 0, 0, 0);
3986   for(i=65535; i>=0 && ((u32*)sqlite3_stack_baseline)[-i]==0xdeadbeef; i--){}
3987   Tcl_SetObjResult(interp, Tcl_NewIntObj(i*4));
3988   return TCL_OK;
3989 }
3990 
3991 /*
3992 ** Usage: sqlite_delete_function DB function-name
3993 **
3994 ** Delete the user function 'function-name' from database handle DB. It
3995 ** is assumed that the user function was created as UTF8, any number of
3996 ** arguments (the way the TCL interface does it).
3997 */
3998 static int delete_function(
3999   void * clientData,
4000   Tcl_Interp *interp,
4001   int argc,
4002   char **argv
4003 ){
4004   int rc;
4005   sqlite3 *db;
4006   if( argc!=3 ){
4007     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
4008         " DB function-name", 0);
4009     return TCL_ERROR;
4010   }
4011   if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
4012   rc = sqlite3_create_function(db, argv[2], -1, SQLITE_UTF8, 0, 0, 0, 0);
4013   Tcl_SetResult(interp, (char *)t1ErrorName(rc), TCL_STATIC);
4014   return TCL_OK;
4015 }
4016 
4017 /*
4018 ** Usage: sqlite_delete_collation DB collation-name
4019 **
4020 ** Delete the collation sequence 'collation-name' from database handle
4021 ** DB. It is assumed that the collation sequence was created as UTF8 (the
4022 ** way the TCL interface does it).
4023 */
4024 static int delete_collation(
4025   void * clientData,
4026   Tcl_Interp *interp,
4027   int argc,
4028   char **argv
4029 ){
4030   int rc;
4031   sqlite3 *db;
4032   if( argc!=3 ){
4033     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
4034         " DB function-name", 0);
4035     return TCL_ERROR;
4036   }
4037   if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
4038   rc = sqlite3_create_collation(db, argv[2], SQLITE_UTF8, 0, 0);
4039   Tcl_SetResult(interp, (char *)t1ErrorName(rc), TCL_STATIC);
4040   return TCL_OK;
4041 }
4042 
4043 /*
4044 ** Usage: sqlite3_get_autocommit DB
4045 **
4046 ** Return true if the database DB is currently in auto-commit mode.
4047 ** Return false if not.
4048 */
4049 static int get_autocommit(
4050   void * clientData,
4051   Tcl_Interp *interp,
4052   int argc,
4053   char **argv
4054 ){
4055   char zBuf[30];
4056   sqlite3 *db;
4057   if( argc!=2 ){
4058     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
4059         " DB", 0);
4060     return TCL_ERROR;
4061   }
4062   if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
4063   sprintf(zBuf, "%d", sqlite3_get_autocommit(db));
4064   Tcl_AppendResult(interp, zBuf, 0);
4065   return TCL_OK;
4066 }
4067 
4068 /*
4069 ** Usage: sqlite3_busy_timeout DB MS
4070 **
4071 ** Set the busy timeout.  This is more easily done using the timeout
4072 ** method of the TCL interface.  But we need a way to test the case
4073 ** where it returns SQLITE_MISUSE.
4074 */
4075 static int test_busy_timeout(
4076   void * clientData,
4077   Tcl_Interp *interp,
4078   int argc,
4079   char **argv
4080 ){
4081   int rc, ms;
4082   sqlite3 *db;
4083   if( argc!=3 ){
4084     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
4085         " DB", 0);
4086     return TCL_ERROR;
4087   }
4088   if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
4089   if( Tcl_GetInt(interp, argv[2], &ms) ) return TCL_ERROR;
4090   rc = sqlite3_busy_timeout(db, ms);
4091   Tcl_AppendResult(interp, sqlite3TestErrorName(rc), 0);
4092   return TCL_OK;
4093 }
4094 
4095 /*
4096 ** Usage:  tcl_variable_type VARIABLENAME
4097 **
4098 ** Return the name of the internal representation for the
4099 ** value of the given variable.
4100 */
4101 static int tcl_variable_type(
4102   void * clientData,
4103   Tcl_Interp *interp,
4104   int objc,
4105   Tcl_Obj *CONST objv[]
4106 ){
4107   Tcl_Obj *pVar;
4108   if( objc!=2 ){
4109     Tcl_WrongNumArgs(interp, 1, objv, "VARIABLE");
4110     return TCL_ERROR;
4111   }
4112   pVar = Tcl_GetVar2Ex(interp, Tcl_GetString(objv[1]), 0, TCL_LEAVE_ERR_MSG);
4113   if( pVar==0 ) return TCL_ERROR;
4114   if( pVar->typePtr ){
4115     Tcl_SetObjResult(interp, Tcl_NewStringObj(pVar->typePtr->name, -1));
4116   }
4117   return TCL_OK;
4118 }
4119 
4120 /*
4121 ** Usage:  sqlite3_release_memory ?N?
4122 **
4123 ** Attempt to release memory currently held but not actually required.
4124 ** The integer N is the number of bytes we are trying to release.  The
4125 ** return value is the amount of memory actually released.
4126 */
4127 static int test_release_memory(
4128   void * clientData,
4129   Tcl_Interp *interp,
4130   int objc,
4131   Tcl_Obj *CONST objv[]
4132 ){
4133 #if defined(SQLITE_ENABLE_MEMORY_MANAGEMENT) && !defined(SQLITE_OMIT_DISKIO)
4134   int N;
4135   int amt;
4136   if( objc!=1 && objc!=2 ){
4137     Tcl_WrongNumArgs(interp, 1, objv, "?N?");
4138     return TCL_ERROR;
4139   }
4140   if( objc==2 ){
4141     if( Tcl_GetIntFromObj(interp, objv[1], &N) ) return TCL_ERROR;
4142   }else{
4143     N = -1;
4144   }
4145   amt = sqlite3_release_memory(N);
4146   Tcl_SetObjResult(interp, Tcl_NewIntObj(amt));
4147 #endif
4148   return TCL_OK;
4149 }
4150 
4151 /*
4152 ** Usage:  sqlite3_soft_heap_limit ?N?
4153 **
4154 ** Query or set the soft heap limit for the current thread.  The
4155 ** limit is only changed if the N is present.  The previous limit
4156 ** is returned.
4157 */
4158 static int test_soft_heap_limit(
4159   void * clientData,
4160   Tcl_Interp *interp,
4161   int objc,
4162   Tcl_Obj *CONST objv[]
4163 ){
4164   static int softHeapLimit = 0;
4165   int amt;
4166   if( objc!=1 && objc!=2 ){
4167     Tcl_WrongNumArgs(interp, 1, objv, "?N?");
4168     return TCL_ERROR;
4169   }
4170   amt = softHeapLimit;
4171   if( objc==2 ){
4172     int N;
4173     if( Tcl_GetIntFromObj(interp, objv[1], &N) ) return TCL_ERROR;
4174     sqlite3_soft_heap_limit(N);
4175     softHeapLimit = N;
4176   }
4177   Tcl_SetObjResult(interp, Tcl_NewIntObj(amt));
4178   return TCL_OK;
4179 }
4180 
4181 /*
4182 ** Usage:   sqlite3_thread_cleanup
4183 **
4184 ** Call the sqlite3_thread_cleanup API.
4185 */
4186 static int test_thread_cleanup(
4187   void * clientData,
4188   Tcl_Interp *interp,
4189   int objc,
4190   Tcl_Obj *CONST objv[]
4191 ){
4192 #ifndef SQLITE_OMIT_DEPRECATED
4193   sqlite3_thread_cleanup();
4194 #endif
4195   return TCL_OK;
4196 }
4197 
4198 /*
4199 ** Usage:   sqlite3_pager_refcounts  DB
4200 **
4201 ** Return a list of numbers which are the PagerRefcount for all
4202 ** pagers on each database connection.
4203 */
4204 static int test_pager_refcounts(
4205   void * clientData,
4206   Tcl_Interp *interp,
4207   int objc,
4208   Tcl_Obj *CONST objv[]
4209 ){
4210   sqlite3 *db;
4211   int i;
4212   int v, *a;
4213   Tcl_Obj *pResult;
4214 
4215   if( objc!=2 ){
4216     Tcl_AppendResult(interp, "wrong # args: should be \"",
4217         Tcl_GetStringFromObj(objv[0], 0), " DB", 0);
4218     return TCL_ERROR;
4219   }
4220   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
4221   pResult = Tcl_NewObj();
4222   for(i=0; i<db->nDb; i++){
4223     if( db->aDb[i].pBt==0 ){
4224       v = -1;
4225     }else{
4226       sqlite3_mutex_enter(db->mutex);
4227       a = sqlite3PagerStats(sqlite3BtreePager(db->aDb[i].pBt));
4228       v = a[0];
4229       sqlite3_mutex_leave(db->mutex);
4230     }
4231     Tcl_ListObjAppendElement(0, pResult, Tcl_NewIntObj(v));
4232   }
4233   Tcl_SetObjResult(interp, pResult);
4234   return TCL_OK;
4235 }
4236 
4237 
4238 /*
4239 ** tclcmd:   working_64bit_int
4240 **
4241 ** Some TCL builds (ex: cygwin) do not support 64-bit integers.  This
4242 ** leads to a number of test failures.  The present command checks the
4243 ** TCL build to see whether or not it supports 64-bit integers.  It
4244 ** returns TRUE if it does and FALSE if not.
4245 **
4246 ** This command is used to warn users that their TCL build is defective
4247 ** and that the errors they are seeing in the test scripts might be
4248 ** a result of their defective TCL rather than problems in SQLite.
4249 */
4250 static int working_64bit_int(
4251   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
4252   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
4253   int objc,              /* Number of arguments */
4254   Tcl_Obj *CONST objv[]  /* Command arguments */
4255 ){
4256   Tcl_Obj *pTestObj;
4257   int working = 0;
4258 
4259   pTestObj = Tcl_NewWideIntObj(1000000*(i64)1234567890);
4260   working = strcmp(Tcl_GetString(pTestObj), "1234567890000000")==0;
4261   Tcl_DecrRefCount(pTestObj);
4262   Tcl_SetObjResult(interp, Tcl_NewBooleanObj(working));
4263   return TCL_OK;
4264 }
4265 
4266 
4267 /*
4268 ** tclcmd:   vfs_unlink_test
4269 **
4270 ** This TCL command unregisters the primary VFS and then registers
4271 ** it back again.  This is used to test the ability to register a
4272 ** VFS when none are previously registered, and the ability to
4273 ** unregister the only available VFS.  Ticket #2738
4274 */
4275 static int vfs_unlink_test(
4276   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
4277   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
4278   int objc,              /* Number of arguments */
4279   Tcl_Obj *CONST objv[]  /* Command arguments */
4280 ){
4281   int i;
4282   sqlite3_vfs *pMain;
4283   sqlite3_vfs *apVfs[20];
4284   sqlite3_vfs one, two;
4285 
4286   sqlite3_vfs_unregister(0);   /* Unregister of NULL is harmless */
4287   one.zName = "__one";
4288   two.zName = "__two";
4289 
4290   /* Calling sqlite3_vfs_register with 2nd argument of 0 does not
4291   ** change the default VFS
4292   */
4293   pMain = sqlite3_vfs_find(0);
4294   sqlite3_vfs_register(&one, 0);
4295   assert( pMain==0 || pMain==sqlite3_vfs_find(0) );
4296   sqlite3_vfs_register(&two, 0);
4297   assert( pMain==0 || pMain==sqlite3_vfs_find(0) );
4298 
4299   /* We can find a VFS by its name */
4300   assert( sqlite3_vfs_find("__one")==&one );
4301   assert( sqlite3_vfs_find("__two")==&two );
4302 
4303   /* Calling sqlite_vfs_register with non-zero second parameter changes the
4304   ** default VFS, even if the 1st parameter is an existig VFS that is
4305   ** previously registered as the non-default.
4306   */
4307   sqlite3_vfs_register(&one, 1);
4308   assert( sqlite3_vfs_find("__one")==&one );
4309   assert( sqlite3_vfs_find("__two")==&two );
4310   assert( sqlite3_vfs_find(0)==&one );
4311   sqlite3_vfs_register(&two, 1);
4312   assert( sqlite3_vfs_find("__one")==&one );
4313   assert( sqlite3_vfs_find("__two")==&two );
4314   assert( sqlite3_vfs_find(0)==&two );
4315   if( pMain ){
4316     sqlite3_vfs_register(pMain, 1);
4317     assert( sqlite3_vfs_find("__one")==&one );
4318     assert( sqlite3_vfs_find("__two")==&two );
4319     assert( sqlite3_vfs_find(0)==pMain );
4320   }
4321 
4322   /* Unlink the default VFS.  Repeat until there are no more VFSes
4323   ** registered.
4324   */
4325   for(i=0; i<sizeof(apVfs)/sizeof(apVfs[0]); i++){
4326     apVfs[i] = sqlite3_vfs_find(0);
4327     if( apVfs[i] ){
4328       assert( apVfs[i]==sqlite3_vfs_find(apVfs[i]->zName) );
4329       sqlite3_vfs_unregister(apVfs[i]);
4330       assert( 0==sqlite3_vfs_find(apVfs[i]->zName) );
4331     }
4332   }
4333   assert( 0==sqlite3_vfs_find(0) );
4334 
4335   /* Register the main VFS as non-default (will be made default, since
4336   ** it'll be the only one in existence).
4337   */
4338   sqlite3_vfs_register(pMain, 0);
4339   assert( sqlite3_vfs_find(0)==pMain );
4340 
4341   /* Un-register the main VFS again to restore an empty VFS list */
4342   sqlite3_vfs_unregister(pMain);
4343   assert( 0==sqlite3_vfs_find(0) );
4344 
4345   /* Relink all VFSes in reverse order. */
4346   for(i=sizeof(apVfs)/sizeof(apVfs[0])-1; i>=0; i--){
4347     if( apVfs[i] ){
4348       sqlite3_vfs_register(apVfs[i], 1);
4349       assert( apVfs[i]==sqlite3_vfs_find(0) );
4350       assert( apVfs[i]==sqlite3_vfs_find(apVfs[i]->zName) );
4351     }
4352   }
4353 
4354   /* Unregister out sample VFSes. */
4355   sqlite3_vfs_unregister(&one);
4356   sqlite3_vfs_unregister(&two);
4357 
4358   /* Unregistering a VFS that is not currently registered is harmless */
4359   sqlite3_vfs_unregister(&one);
4360   sqlite3_vfs_unregister(&two);
4361   assert( sqlite3_vfs_find("__one")==0 );
4362   assert( sqlite3_vfs_find("__two")==0 );
4363 
4364   /* We should be left with the original default VFS back as the
4365   ** original */
4366   assert( sqlite3_vfs_find(0)==pMain );
4367 
4368   return TCL_OK;
4369 }
4370 
4371 /*
4372 ** tclcmd:   vfs_initfail_test
4373 **
4374 ** This TCL command attempts to vfs_find and vfs_register when the
4375 ** sqlite3_initialize() interface is failing.  All calls should fail.
4376 */
4377 static int vfs_initfail_test(
4378   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
4379   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
4380   int objc,              /* Number of arguments */
4381   Tcl_Obj *CONST objv[]  /* Command arguments */
4382 ){
4383   sqlite3_vfs one;
4384   one.zName = "__one";
4385 
4386   if( sqlite3_vfs_find(0) ) return TCL_ERROR;
4387   sqlite3_vfs_register(&one, 0);
4388   if( sqlite3_vfs_find(0) ) return TCL_ERROR;
4389   sqlite3_vfs_register(&one, 1);
4390   if( sqlite3_vfs_find(0) ) return TCL_ERROR;
4391   return TCL_OK;
4392 }
4393 
4394 /*
4395 ** Saved VFSes
4396 */
4397 static sqlite3_vfs *apVfs[20];
4398 static int nVfs = 0;
4399 
4400 /*
4401 ** tclcmd:   vfs_unregister_all
4402 **
4403 ** Unregister all VFSes.
4404 */
4405 static int vfs_unregister_all(
4406   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
4407   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
4408   int objc,              /* Number of arguments */
4409   Tcl_Obj *CONST objv[]  /* Command arguments */
4410 ){
4411   int i;
4412   for(i=0; i<ArraySize(apVfs); i++){
4413     apVfs[i] = sqlite3_vfs_find(0);
4414     if( apVfs[i]==0 ) break;
4415     sqlite3_vfs_unregister(apVfs[i]);
4416   }
4417   nVfs = i;
4418   return TCL_OK;
4419 }
4420 /*
4421 ** tclcmd:   vfs_reregister_all
4422 **
4423 ** Restore all VFSes that were removed using vfs_unregister_all
4424 */
4425 static int vfs_reregister_all(
4426   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
4427   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
4428   int objc,              /* Number of arguments */
4429   Tcl_Obj *CONST objv[]  /* Command arguments */
4430 ){
4431   int i;
4432   for(i=0; i<nVfs; i++){
4433     sqlite3_vfs_register(apVfs[i], i==0);
4434   }
4435   return TCL_OK;
4436 }
4437 
4438 
4439 /*
4440 ** tclcmd:   file_control_test DB
4441 **
4442 ** This TCL command runs the sqlite3_file_control interface and
4443 ** verifies correct operation of the same.
4444 */
4445 static int file_control_test(
4446   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
4447   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
4448   int objc,              /* Number of arguments */
4449   Tcl_Obj *CONST objv[]  /* Command arguments */
4450 ){
4451   int iArg = 0;
4452   sqlite3 *db;
4453   int rc;
4454 
4455   if( objc!=2 ){
4456     Tcl_AppendResult(interp, "wrong # args: should be \"",
4457         Tcl_GetStringFromObj(objv[0], 0), " DB", 0);
4458     return TCL_ERROR;
4459   }
4460   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
4461   rc = sqlite3_file_control(db, 0, 0, &iArg);
4462   assert( rc==SQLITE_ERROR );
4463   rc = sqlite3_file_control(db, "notadatabase", SQLITE_FCNTL_LOCKSTATE, &iArg);
4464   assert( rc==SQLITE_ERROR );
4465   rc = sqlite3_file_control(db, "main", -1, &iArg);
4466   assert( rc==SQLITE_ERROR );
4467   rc = sqlite3_file_control(db, "temp", -1, &iArg);
4468   assert( rc==SQLITE_ERROR );
4469 
4470   return TCL_OK;
4471 }
4472 
4473 
4474 /*
4475 ** tclcmd:   file_control_lasterrno_test DB
4476 **
4477 ** This TCL command runs the sqlite3_file_control interface and
4478 ** verifies correct operation of the SQLITE_LAST_ERRNO verb.
4479 */
4480 static int file_control_lasterrno_test(
4481   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
4482   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
4483   int objc,              /* Number of arguments */
4484   Tcl_Obj *CONST objv[]  /* Command arguments */
4485 ){
4486   int iArg = 0;
4487   sqlite3 *db;
4488   int rc;
4489 
4490   if( objc!=2 ){
4491     Tcl_AppendResult(interp, "wrong # args: should be \"",
4492         Tcl_GetStringFromObj(objv[0], 0), " DB", 0);
4493     return TCL_ERROR;
4494   }
4495   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
4496   rc = sqlite3_file_control(db, NULL, SQLITE_LAST_ERRNO, &iArg);
4497   if( rc ) { Tcl_SetObjResult(interp, Tcl_NewIntObj(rc)); return TCL_ERROR; }
4498   if( iArg!=0 ) {
4499     Tcl_AppendResult(interp, "Unexpected non-zero errno: ",
4500                      Tcl_GetStringFromObj(Tcl_NewIntObj(iArg), 0), " ", 0);
4501     return TCL_ERROR;
4502   }
4503   return TCL_OK;
4504 }
4505 
4506 /*
4507 ** tclcmd:   file_control_lockproxy_test DB
4508 **
4509 ** This TCL command runs the sqlite3_file_control interface and
4510 ** verifies correct operation of the SQLITE_GET_LOCKPROXYFILE and
4511 ** SQLITE_SET_LOCKPROXYFILE verbs.
4512 */
4513 static int file_control_lockproxy_test(
4514   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
4515   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
4516   int objc,              /* Number of arguments */
4517   Tcl_Obj *CONST objv[]  /* Command arguments */
4518 ){
4519   sqlite3 *db;
4520 
4521   if( objc!=2 ){
4522     Tcl_AppendResult(interp, "wrong # args: should be \"",
4523                      Tcl_GetStringFromObj(objv[0], 0), " DB", 0);
4524     return TCL_ERROR;
4525   }
4526   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
4527 
4528 #if !defined(SQLITE_ENABLE_LOCKING_STYLE)
4529 #  if defined(__DARWIN__)
4530 #    define SQLITE_ENABLE_LOCKING_STYLE 1
4531 #  else
4532 #    define SQLITE_ENABLE_LOCKING_STYLE 0
4533 #  endif
4534 #endif
4535 #if SQLITE_ENABLE_LOCKING_STYLE && defined(__DARWIN__)
4536   {
4537     char *proxyPath = "test.proxy";
4538     char *testPath;
4539     int rc;
4540     rc = sqlite3_file_control(db, NULL, SQLITE_SET_LOCKPROXYFILE, proxyPath);
4541     if( rc ){
4542       Tcl_SetObjResult(interp, Tcl_NewIntObj(rc)); return TCL_ERROR;
4543     }
4544     rc = sqlite3_file_control(db, NULL, SQLITE_GET_LOCKPROXYFILE, &testPath);
4545     if( strncmp(proxyPath,testPath,11) ) {
4546       Tcl_AppendResult(interp, "Lock proxy file did not match the "
4547                                "previously assigned value", 0);
4548       return TCL_ERROR;
4549     }
4550     if( rc ){
4551       Tcl_SetObjResult(interp, Tcl_NewIntObj(rc));
4552       return TCL_ERROR;
4553     }
4554     rc = sqlite3_file_control(db, NULL, SQLITE_SET_LOCKPROXYFILE, proxyPath);
4555     if( rc ){
4556       Tcl_SetObjResult(interp, Tcl_NewIntObj(rc));
4557       return TCL_ERROR;
4558     }
4559   }
4560 #endif
4561   return TCL_OK;
4562 }
4563 
4564 
4565 /*
4566 ** tclcmd:   sqlite3_vfs_list
4567 **
4568 **   Return a tcl list containing the names of all registered vfs's.
4569 */
4570 static int vfs_list(
4571   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
4572   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
4573   int objc,              /* Number of arguments */
4574   Tcl_Obj *CONST objv[]  /* Command arguments */
4575 ){
4576   sqlite3_vfs *pVfs;
4577   Tcl_Obj *pRet = Tcl_NewObj();
4578   if( objc!=1 ){
4579     Tcl_WrongNumArgs(interp, 1, objv, "");
4580     return TCL_ERROR;
4581   }
4582   for(pVfs=sqlite3_vfs_find(0); pVfs; pVfs=pVfs->pNext){
4583     Tcl_ListObjAppendElement(interp, pRet, Tcl_NewStringObj(pVfs->zName, -1));
4584   }
4585   Tcl_SetObjResult(interp, pRet);
4586   return TCL_OK;
4587 }
4588 
4589 /*
4590 ** tclcmd:   sqlite3_limit DB ID VALUE
4591 **
4592 ** This TCL command runs the sqlite3_limit interface and
4593 ** verifies correct operation of the same.
4594 */
4595 static int test_limit(
4596   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
4597   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
4598   int objc,              /* Number of arguments */
4599   Tcl_Obj *CONST objv[]  /* Command arguments */
4600 ){
4601   sqlite3 *db;
4602   int rc;
4603   static const struct {
4604      char *zName;
4605      int id;
4606   } aId[] = {
4607     { "SQLITE_LIMIT_LENGTH",              SQLITE_LIMIT_LENGTH               },
4608     { "SQLITE_LIMIT_SQL_LENGTH",          SQLITE_LIMIT_SQL_LENGTH           },
4609     { "SQLITE_LIMIT_COLUMN",              SQLITE_LIMIT_COLUMN               },
4610     { "SQLITE_LIMIT_EXPR_DEPTH",          SQLITE_LIMIT_EXPR_DEPTH           },
4611     { "SQLITE_LIMIT_COMPOUND_SELECT",     SQLITE_LIMIT_COMPOUND_SELECT      },
4612     { "SQLITE_LIMIT_VDBE_OP",             SQLITE_LIMIT_VDBE_OP              },
4613     { "SQLITE_LIMIT_FUNCTION_ARG",        SQLITE_LIMIT_FUNCTION_ARG         },
4614     { "SQLITE_LIMIT_ATTACHED",            SQLITE_LIMIT_ATTACHED             },
4615     { "SQLITE_LIMIT_LIKE_PATTERN_LENGTH", SQLITE_LIMIT_LIKE_PATTERN_LENGTH  },
4616     { "SQLITE_LIMIT_VARIABLE_NUMBER",     SQLITE_LIMIT_VARIABLE_NUMBER      },
4617 
4618     /* Out of range test cases */
4619     { "SQLITE_LIMIT_TOOSMALL",            -1,                               },
4620     { "SQLITE_LIMIT_TOOBIG",              SQLITE_LIMIT_VARIABLE_NUMBER+1    },
4621   };
4622   int i, id;
4623   int val;
4624   const char *zId;
4625 
4626   if( objc!=4 ){
4627     Tcl_AppendResult(interp, "wrong # args: should be \"",
4628         Tcl_GetStringFromObj(objv[0], 0), " DB ID VALUE", 0);
4629     return TCL_ERROR;
4630   }
4631   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
4632   zId = Tcl_GetString(objv[2]);
4633   for(i=0; i<sizeof(aId)/sizeof(aId[0]); i++){
4634     if( strcmp(zId, aId[i].zName)==0 ){
4635       id = aId[i].id;
4636       break;
4637     }
4638   }
4639   if( i>=sizeof(aId)/sizeof(aId[0]) ){
4640     Tcl_AppendResult(interp, "unknown limit type: ", zId, (char*)0);
4641     return TCL_ERROR;
4642   }
4643   if( Tcl_GetIntFromObj(interp, objv[3], &val) ) return TCL_ERROR;
4644   rc = sqlite3_limit(db, id, val);
4645   Tcl_SetObjResult(interp, Tcl_NewIntObj(rc));
4646   return TCL_OK;
4647 }
4648 
4649 /*
4650 ** tclcmd:  save_prng_state
4651 **
4652 ** Save the state of the pseudo-random number generator.
4653 ** At the same time, verify that sqlite3_test_control works even when
4654 ** called with an out-of-range opcode.
4655 */
4656 static int save_prng_state(
4657   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
4658   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
4659   int objc,              /* Number of arguments */
4660   Tcl_Obj *CONST objv[]  /* Command arguments */
4661 ){
4662   int rc = sqlite3_test_control(9999);
4663   assert( rc==0 );
4664   rc = sqlite3_test_control(-1);
4665   assert( rc==0 );
4666   sqlite3_test_control(SQLITE_TESTCTRL_PRNG_SAVE);
4667   return TCL_OK;
4668 }
4669 /*
4670 ** tclcmd:  restore_prng_state
4671 */
4672 static int restore_prng_state(
4673   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
4674   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
4675   int objc,              /* Number of arguments */
4676   Tcl_Obj *CONST objv[]  /* Command arguments */
4677 ){
4678   sqlite3_test_control(SQLITE_TESTCTRL_PRNG_RESTORE);
4679   return TCL_OK;
4680 }
4681 /*
4682 ** tclcmd:  reset_prng_state
4683 */
4684 static int reset_prng_state(
4685   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
4686   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
4687   int objc,              /* Number of arguments */
4688   Tcl_Obj *CONST objv[]  /* Command arguments */
4689 ){
4690   sqlite3_test_control(SQLITE_TESTCTRL_PRNG_RESET);
4691   return TCL_OK;
4692 }
4693 
4694 /*
4695 ** tclcmd:  pcache_stats
4696 */
4697 static int test_pcache_stats(
4698   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
4699   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
4700   int objc,              /* Number of arguments */
4701   Tcl_Obj *CONST objv[]  /* Command arguments */
4702 ){
4703   int nMin;
4704   int nMax;
4705   int nCurrent;
4706   int nRecyclable;
4707   Tcl_Obj *pRet;
4708 
4709   sqlite3PcacheStats(&nCurrent, &nMax, &nMin, &nRecyclable);
4710 
4711   pRet = Tcl_NewObj();
4712   Tcl_ListObjAppendElement(interp, pRet, Tcl_NewStringObj("current", -1));
4713   Tcl_ListObjAppendElement(interp, pRet, Tcl_NewIntObj(nCurrent));
4714   Tcl_ListObjAppendElement(interp, pRet, Tcl_NewStringObj("max", -1));
4715   Tcl_ListObjAppendElement(interp, pRet, Tcl_NewIntObj(nMax));
4716   Tcl_ListObjAppendElement(interp, pRet, Tcl_NewStringObj("min", -1));
4717   Tcl_ListObjAppendElement(interp, pRet, Tcl_NewIntObj(nMin));
4718   Tcl_ListObjAppendElement(interp, pRet, Tcl_NewStringObj("recyclable", -1));
4719   Tcl_ListObjAppendElement(interp, pRet, Tcl_NewIntObj(nRecyclable));
4720 
4721   Tcl_SetObjResult(interp, pRet);
4722 
4723   return TCL_OK;
4724 }
4725 
4726 
4727 /*
4728 ** Register commands with the TCL interpreter.
4729 */
4730 int Sqlitetest1_Init(Tcl_Interp *interp){
4731   extern int sqlite3_search_count;
4732   extern int sqlite3_interrupt_count;
4733   extern int sqlite3_open_file_count;
4734   extern int sqlite3_sort_count;
4735   extern int sqlite3_current_time;
4736 #if SQLITE_OS_UNIX && defined(__DARWIN__)
4737   extern int sqlite3_hostid_num;
4738 #endif
4739   extern int sqlite3_max_blobsize;
4740   extern int sqlite3BtreeSharedCacheReport(void*,
4741                                           Tcl_Interp*,int,Tcl_Obj*CONST*);
4742   static struct {
4743      char *zName;
4744      Tcl_CmdProc *xProc;
4745   } aCmd[] = {
4746      { "db_enter",                      (Tcl_CmdProc*)db_enter               },
4747      { "db_leave",                      (Tcl_CmdProc*)db_leave               },
4748      { "sqlite3_mprintf_int",           (Tcl_CmdProc*)sqlite3_mprintf_int    },
4749      { "sqlite3_mprintf_int64",         (Tcl_CmdProc*)sqlite3_mprintf_int64  },
4750      { "sqlite3_mprintf_str",           (Tcl_CmdProc*)sqlite3_mprintf_str    },
4751      { "sqlite3_snprintf_str",          (Tcl_CmdProc*)sqlite3_snprintf_str   },
4752      { "sqlite3_mprintf_stronly",       (Tcl_CmdProc*)sqlite3_mprintf_stronly},
4753      { "sqlite3_mprintf_double",        (Tcl_CmdProc*)sqlite3_mprintf_double },
4754      { "sqlite3_mprintf_scaled",        (Tcl_CmdProc*)sqlite3_mprintf_scaled },
4755      { "sqlite3_mprintf_hexdouble",   (Tcl_CmdProc*)sqlite3_mprintf_hexdouble},
4756      { "sqlite3_mprintf_z_test",        (Tcl_CmdProc*)test_mprintf_z        },
4757      { "sqlite3_mprintf_n_test",        (Tcl_CmdProc*)test_mprintf_n        },
4758      { "sqlite3_snprintf_int",          (Tcl_CmdProc*)test_snprintf_int     },
4759      { "sqlite3_last_insert_rowid",     (Tcl_CmdProc*)test_last_rowid       },
4760      { "sqlite3_exec_printf",           (Tcl_CmdProc*)test_exec_printf      },
4761      { "sqlite3_exec",                  (Tcl_CmdProc*)test_exec             },
4762      { "sqlite3_exec_nr",               (Tcl_CmdProc*)test_exec_nr          },
4763 #ifndef SQLITE_OMIT_GET_TABLE
4764      { "sqlite3_get_table_printf",      (Tcl_CmdProc*)test_get_table_printf },
4765 #endif
4766      { "sqlite3_close",                 (Tcl_CmdProc*)sqlite_test_close     },
4767      { "sqlite3_create_function",       (Tcl_CmdProc*)test_create_function  },
4768      { "sqlite3_create_aggregate",      (Tcl_CmdProc*)test_create_aggregate },
4769      { "sqlite_register_test_function", (Tcl_CmdProc*)test_register_func    },
4770      { "sqlite_abort",                  (Tcl_CmdProc*)sqlite_abort          },
4771      { "sqlite_bind",                   (Tcl_CmdProc*)test_bind             },
4772      { "breakpoint",                    (Tcl_CmdProc*)test_breakpoint       },
4773      { "sqlite3_key",                   (Tcl_CmdProc*)test_key              },
4774      { "sqlite3_rekey",                 (Tcl_CmdProc*)test_rekey            },
4775      { "sqlite_set_magic",              (Tcl_CmdProc*)sqlite_set_magic      },
4776      { "sqlite3_interrupt",             (Tcl_CmdProc*)test_interrupt        },
4777      { "sqlite_delete_function",        (Tcl_CmdProc*)delete_function       },
4778      { "sqlite_delete_collation",       (Tcl_CmdProc*)delete_collation      },
4779      { "sqlite3_get_autocommit",        (Tcl_CmdProc*)get_autocommit        },
4780      { "sqlite3_stack_used",            (Tcl_CmdProc*)test_stack_used       },
4781      { "sqlite3_busy_timeout",          (Tcl_CmdProc*)test_busy_timeout     },
4782      { "printf",                        (Tcl_CmdProc*)test_printf           },
4783      { "sqlite3IoTrace",              (Tcl_CmdProc*)test_io_trace         },
4784   };
4785   static struct {
4786      char *zName;
4787      Tcl_ObjCmdProc *xProc;
4788      void *clientData;
4789   } aObjCmd[] = {
4790      { "sqlite3_connection_pointer",    get_sqlite_pointer, 0 },
4791      { "sqlite3_bind_int",              test_bind_int,      0 },
4792      { "sqlite3_bind_zeroblob",         test_bind_zeroblob, 0 },
4793      { "sqlite3_bind_int64",            test_bind_int64,    0 },
4794      { "sqlite3_bind_double",           test_bind_double,   0 },
4795      { "sqlite3_bind_null",             test_bind_null     ,0 },
4796      { "sqlite3_bind_text",             test_bind_text     ,0 },
4797      { "sqlite3_bind_text16",           test_bind_text16   ,0 },
4798      { "sqlite3_bind_blob",             test_bind_blob     ,0 },
4799      { "sqlite3_bind_parameter_count",  test_bind_parameter_count, 0},
4800      { "sqlite3_bind_parameter_name",   test_bind_parameter_name,  0},
4801      { "sqlite3_bind_parameter_index",  test_bind_parameter_index, 0},
4802      { "sqlite3_clear_bindings",        test_clear_bindings, 0},
4803      { "sqlite3_sleep",                 test_sleep,          0},
4804      { "sqlite3_errcode",               test_errcode       ,0 },
4805      { "sqlite3_extended_errcode",      test_ex_errcode    ,0 },
4806      { "sqlite3_errmsg",                test_errmsg        ,0 },
4807      { "sqlite3_errmsg16",              test_errmsg16      ,0 },
4808      { "sqlite3_open",                  test_open          ,0 },
4809      { "sqlite3_open16",                test_open16        ,0 },
4810      { "sqlite3_complete16",            test_complete16    ,0 },
4811 
4812      { "sqlite3_prepare",               test_prepare       ,0 },
4813      { "sqlite3_prepare16",             test_prepare16     ,0 },
4814      { "sqlite3_prepare_v2",            test_prepare_v2    ,0 },
4815      { "sqlite3_prepare_tkt3134",       test_prepare_tkt3134, 0},
4816      { "sqlite3_prepare16_v2",          test_prepare16_v2  ,0 },
4817      { "sqlite3_finalize",              test_finalize      ,0 },
4818      { "sqlite3_stmt_status",           test_stmt_status   ,0 },
4819      { "sqlite3_reset",                 test_reset         ,0 },
4820      { "sqlite3_expired",               test_expired       ,0 },
4821      { "sqlite3_transfer_bindings",     test_transfer_bind ,0 },
4822      { "sqlite3_changes",               test_changes       ,0 },
4823      { "sqlite3_step",                  test_step          ,0 },
4824      { "sqlite3_next_stmt",             test_next_stmt     ,0 },
4825 
4826      { "sqlite3_release_memory",        test_release_memory,     0},
4827      { "sqlite3_soft_heap_limit",       test_soft_heap_limit,    0},
4828      { "sqlite3_thread_cleanup",        test_thread_cleanup,     0},
4829      { "sqlite3_pager_refcounts",       test_pager_refcounts,    0},
4830 
4831      { "sqlite3_load_extension",        test_load_extension,     0},
4832      { "sqlite3_enable_load_extension", test_enable_load,        0},
4833      { "sqlite3_extended_result_codes", test_extended_result_codes, 0},
4834      { "sqlite3_limit",                 test_limit,                 0},
4835 
4836      { "save_prng_state",               save_prng_state,    0 },
4837      { "restore_prng_state",            restore_prng_state, 0 },
4838      { "reset_prng_state",              reset_prng_state,   0 },
4839 
4840      /* sqlite3_column_*() API */
4841      { "sqlite3_column_count",          test_column_count  ,0 },
4842      { "sqlite3_data_count",            test_data_count    ,0 },
4843      { "sqlite3_column_type",           test_column_type   ,0 },
4844      { "sqlite3_column_blob",           test_column_blob   ,0 },
4845      { "sqlite3_column_double",         test_column_double ,0 },
4846      { "sqlite3_column_int64",          test_column_int64  ,0 },
4847      { "sqlite3_column_text",   test_stmt_utf8,  (void*)sqlite3_column_text },
4848      { "sqlite3_column_name",   test_stmt_utf8,  (void*)sqlite3_column_name },
4849      { "sqlite3_column_int",    test_stmt_int,   (void*)sqlite3_column_int  },
4850      { "sqlite3_column_bytes",  test_stmt_int,   (void*)sqlite3_column_bytes},
4851 #ifndef SQLITE_OMIT_DECLTYPE
4852      { "sqlite3_column_decltype",test_stmt_utf8,(void*)sqlite3_column_decltype},
4853 #endif
4854 #ifdef SQLITE_ENABLE_COLUMN_METADATA
4855 { "sqlite3_column_database_name",test_stmt_utf8,(void*)sqlite3_column_database_name},
4856 { "sqlite3_column_table_name",test_stmt_utf8,(void*)sqlite3_column_table_name},
4857 { "sqlite3_column_origin_name",test_stmt_utf8,(void*)sqlite3_column_origin_name},
4858 #endif
4859 
4860 #ifndef SQLITE_OMIT_UTF16
4861      { "sqlite3_column_bytes16", test_stmt_int, (void*)sqlite3_column_bytes16 },
4862      { "sqlite3_column_text16",  test_stmt_utf16, (void*)sqlite3_column_text16},
4863      { "sqlite3_column_name16",  test_stmt_utf16, (void*)sqlite3_column_name16},
4864      { "add_alignment_test_collations", add_alignment_test_collations, 0      },
4865 #ifndef SQLITE_OMIT_DECLTYPE
4866      { "sqlite3_column_decltype16",test_stmt_utf16,(void*)sqlite3_column_decltype16},
4867 #endif
4868 #ifdef SQLITE_ENABLE_COLUMN_METADATA
4869 {"sqlite3_column_database_name16",
4870   test_stmt_utf16, sqlite3_column_database_name16},
4871 {"sqlite3_column_table_name16", test_stmt_utf16, (void*)sqlite3_column_table_name16},
4872 {"sqlite3_column_origin_name16", test_stmt_utf16, (void*)sqlite3_column_origin_name16},
4873 #endif
4874 #endif
4875      { "sqlite3_create_collation_v2", test_create_collation_v2, 0 },
4876      { "sqlite3_global_recover",     test_global_recover, 0   },
4877      { "working_64bit_int",          working_64bit_int,   0   },
4878      { "vfs_unlink_test",            vfs_unlink_test,     0   },
4879      { "vfs_initfail_test",          vfs_initfail_test,   0   },
4880      { "vfs_unregister_all",         vfs_unregister_all,  0   },
4881      { "vfs_reregister_all",         vfs_reregister_all,  0   },
4882      { "file_control_test",          file_control_test,   0   },
4883      { "file_control_lasterrno_test", file_control_lasterrno_test,  0   },
4884      { "file_control_lockproxy_test", file_control_lockproxy_test,  0   },
4885      { "sqlite3_vfs_list",           vfs_list,     0   },
4886 
4887      /* Functions from os.h */
4888 #ifndef SQLITE_OMIT_UTF16
4889      { "add_test_collate",        test_collate, 0            },
4890      { "add_test_collate_needed", test_collate_needed, 0     },
4891      { "add_test_function",       test_function, 0           },
4892 #endif
4893      { "sqlite3_test_errstr",     test_errstr, 0             },
4894      { "tcl_variable_type",       tcl_variable_type, 0       },
4895 #ifndef SQLITE_OMIT_SHARED_CACHE
4896      { "sqlite3_enable_shared_cache", test_enable_shared, 0  },
4897      { "sqlite3_shared_cache_report", sqlite3BtreeSharedCacheReport, 0},
4898 #endif
4899      { "sqlite3_libversion_number", test_libversion_number, 0  },
4900 #ifdef SQLITE_ENABLE_COLUMN_METADATA
4901      { "sqlite3_table_column_metadata", test_table_column_metadata, 0  },
4902 #endif
4903 #ifndef SQLITE_OMIT_INCRBLOB
4904      { "sqlite3_blob_read",  test_blob_read, 0  },
4905      { "sqlite3_blob_write", test_blob_write, 0  },
4906 #endif
4907      { "pcache_stats",       test_pcache_stats, 0  },
4908   };
4909   static int bitmask_size = sizeof(Bitmask)*8;
4910   int i;
4911   extern int sqlite3_sync_count, sqlite3_fullsync_count;
4912   extern int sqlite3_opentemp_count;
4913   extern int sqlite3_like_count;
4914   extern int sqlite3_xferopt_count;
4915   extern int sqlite3_pager_readdb_count;
4916   extern int sqlite3_pager_writedb_count;
4917   extern int sqlite3_pager_writej_count;
4918 #if defined(__linux__) && defined(SQLITE_TEST) && SQLITE_THREADSAFE
4919   extern int threadsOverrideEachOthersLocks;
4920 #endif
4921 #if SQLITE_OS_WIN
4922   extern int sqlite3_os_type;
4923 #endif
4924 #ifdef SQLITE_DEBUG
4925   extern int sqlite3WhereTrace;
4926   extern int sqlite3OSTrace;
4927   extern int sqlite3VdbeAddopTrace;
4928 #endif
4929 #ifdef SQLITE_TEST
4930   extern int sqlite3_enable_in_opt;
4931   extern char sqlite3_query_plan[];
4932   static char *query_plan = sqlite3_query_plan;
4933 #ifdef SQLITE_ENABLE_FTS3
4934   extern int sqlite3_fts3_enable_parentheses;
4935 #endif
4936 #endif
4937 
4938   for(i=0; i<sizeof(aCmd)/sizeof(aCmd[0]); i++){
4939     Tcl_CreateCommand(interp, aCmd[i].zName, aCmd[i].xProc, 0, 0);
4940   }
4941   for(i=0; i<sizeof(aObjCmd)/sizeof(aObjCmd[0]); i++){
4942     Tcl_CreateObjCommand(interp, aObjCmd[i].zName,
4943         aObjCmd[i].xProc, aObjCmd[i].clientData, 0);
4944   }
4945   Tcl_LinkVar(interp, "sqlite_search_count",
4946       (char*)&sqlite3_search_count, TCL_LINK_INT);
4947   Tcl_LinkVar(interp, "sqlite_sort_count",
4948       (char*)&sqlite3_sort_count, TCL_LINK_INT);
4949   Tcl_LinkVar(interp, "sqlite3_max_blobsize",
4950       (char*)&sqlite3_max_blobsize, TCL_LINK_INT);
4951   Tcl_LinkVar(interp, "sqlite_like_count",
4952       (char*)&sqlite3_like_count, TCL_LINK_INT);
4953   Tcl_LinkVar(interp, "sqlite_interrupt_count",
4954       (char*)&sqlite3_interrupt_count, TCL_LINK_INT);
4955   Tcl_LinkVar(interp, "sqlite_open_file_count",
4956       (char*)&sqlite3_open_file_count, TCL_LINK_INT);
4957   Tcl_LinkVar(interp, "sqlite_current_time",
4958       (char*)&sqlite3_current_time, TCL_LINK_INT);
4959 #if SQLITE_OS_UNIX && defined(__DARWIN__)
4960   Tcl_LinkVar(interp, "sqlite_hostid_num",
4961       (char*)&sqlite3_hostid_num, TCL_LINK_INT);
4962 #endif
4963   Tcl_LinkVar(interp, "sqlite3_xferopt_count",
4964       (char*)&sqlite3_xferopt_count, TCL_LINK_INT);
4965   Tcl_LinkVar(interp, "sqlite3_pager_readdb_count",
4966       (char*)&sqlite3_pager_readdb_count, TCL_LINK_INT);
4967   Tcl_LinkVar(interp, "sqlite3_pager_writedb_count",
4968       (char*)&sqlite3_pager_writedb_count, TCL_LINK_INT);
4969   Tcl_LinkVar(interp, "sqlite3_pager_writej_count",
4970       (char*)&sqlite3_pager_writej_count, TCL_LINK_INT);
4971 #ifndef SQLITE_OMIT_UTF16
4972   Tcl_LinkVar(interp, "unaligned_string_counter",
4973       (char*)&unaligned_string_counter, TCL_LINK_INT);
4974 #endif
4975 #if defined(__linux__) && defined(SQLITE_TEST) && SQLITE_THREADSAFE
4976   Tcl_LinkVar(interp, "threadsOverrideEachOthersLocks",
4977       (char*)&threadsOverrideEachOthersLocks, TCL_LINK_INT);
4978 #endif
4979 #ifndef SQLITE_OMIT_UTF16
4980   Tcl_LinkVar(interp, "sqlite_last_needed_collation",
4981       (char*)&pzNeededCollation, TCL_LINK_STRING|TCL_LINK_READ_ONLY);
4982 #endif
4983 #if SQLITE_OS_WIN
4984   Tcl_LinkVar(interp, "sqlite_os_type",
4985       (char*)&sqlite3_os_type, TCL_LINK_INT);
4986 #endif
4987 #ifdef SQLITE_TEST
4988   Tcl_LinkVar(interp, "sqlite_query_plan",
4989       (char*)&query_plan, TCL_LINK_STRING|TCL_LINK_READ_ONLY);
4990 #endif
4991 #ifdef SQLITE_DEBUG
4992   Tcl_LinkVar(interp, "sqlite_addop_trace",
4993       (char*)&sqlite3VdbeAddopTrace, TCL_LINK_INT);
4994   Tcl_LinkVar(interp, "sqlite_where_trace",
4995       (char*)&sqlite3WhereTrace, TCL_LINK_INT);
4996   Tcl_LinkVar(interp, "sqlite_os_trace",
4997       (char*)&sqlite3OSTrace, TCL_LINK_INT);
4998 #endif
4999 #ifndef SQLITE_OMIT_DISKIO
5000   Tcl_LinkVar(interp, "sqlite_opentemp_count",
5001       (char*)&sqlite3_opentemp_count, TCL_LINK_INT);
5002 #endif
5003   Tcl_LinkVar(interp, "sqlite_static_bind_value",
5004       (char*)&sqlite_static_bind_value, TCL_LINK_STRING);
5005   Tcl_LinkVar(interp, "sqlite_static_bind_nbyte",
5006       (char*)&sqlite_static_bind_nbyte, TCL_LINK_INT);
5007   Tcl_LinkVar(interp, "sqlite_temp_directory",
5008       (char*)&sqlite3_temp_directory, TCL_LINK_STRING);
5009   Tcl_LinkVar(interp, "bitmask_size",
5010       (char*)&bitmask_size, TCL_LINK_INT|TCL_LINK_READ_ONLY);
5011   Tcl_LinkVar(interp, "sqlite_sync_count",
5012       (char*)&sqlite3_sync_count, TCL_LINK_INT);
5013   Tcl_LinkVar(interp, "sqlite_fullsync_count",
5014       (char*)&sqlite3_fullsync_count, TCL_LINK_INT);
5015 #ifdef SQLITE_TEST
5016   Tcl_LinkVar(interp, "sqlite_enable_in_opt",
5017       (char*)&sqlite3_enable_in_opt, TCL_LINK_INT);
5018 #ifdef SQLITE_ENABLE_FTS3
5019   Tcl_LinkVar(interp, "sqlite_fts3_enable_parentheses",
5020       (char*)&sqlite3_fts3_enable_parentheses, TCL_LINK_INT);
5021 #endif
5022 #endif
5023   return TCL_OK;
5024 }
5025