xref: /sqlite-3.40.0/src/test1.c (revision 06ae6792)
1 /*
2 ** 2001 September 15
3 **
4 ** The author disclaims copyright to this source code.  In place of
5 ** a legal notice, here is a blessing:
6 **
7 **    May you do good and not evil.
8 **    May you find forgiveness for yourself and forgive others.
9 **    May you share freely, never taking more than you give.
10 **
11 *************************************************************************
12 ** Code for testing all sorts of SQLite interfaces.  This code
13 ** is not included in the SQLite library.  It is used for automated
14 ** testing of the SQLite library.
15 */
16 #include "sqliteInt.h"
17 #include "tcl.h"
18 #include <stdlib.h>
19 #include <string.h>
20 
21 /*
22 ** This is a copy of the first part of the SqliteDb structure in
23 ** tclsqlite.c.  We need it here so that the get_sqlite_pointer routine
24 ** can extract the sqlite3* pointer from an existing Tcl SQLite
25 ** connection.
26 */
27 struct SqliteDb {
28   sqlite3 *db;
29 };
30 
31 /*
32 ** Convert text generated by the "%p" conversion format back into
33 ** a pointer.
34 */
35 static int testHexToInt(int h){
36   if( h>='0' && h<='9' ){
37     return h - '0';
38   }else if( h>='a' && h<='f' ){
39     return h - 'a' + 10;
40   }else{
41     assert( h>='A' && h<='F' );
42     return h - 'A' + 10;
43   }
44 }
45 void *sqlite3TestTextToPtr(const char *z){
46   void *p;
47   u64 v;
48   u32 v2;
49   if( z[0]=='0' && z[1]=='x' ){
50     z += 2;
51   }
52   v = 0;
53   while( *z ){
54     v = (v<<4) + testHexToInt(*z);
55     z++;
56   }
57   if( sizeof(p)==sizeof(v) ){
58     memcpy(&p, &v, sizeof(p));
59   }else{
60     assert( sizeof(p)==sizeof(v2) );
61     v2 = (u32)v;
62     memcpy(&p, &v2, sizeof(p));
63   }
64   return p;
65 }
66 
67 
68 /*
69 ** A TCL command that returns the address of the sqlite* pointer
70 ** for an sqlite connection instance.  Bad things happen if the
71 ** input is not an sqlite connection.
72 */
73 static int get_sqlite_pointer(
74   void * clientData,
75   Tcl_Interp *interp,
76   int objc,
77   Tcl_Obj *CONST objv[]
78 ){
79   struct SqliteDb *p;
80   Tcl_CmdInfo cmdInfo;
81   char zBuf[100];
82   if( objc!=2 ){
83     Tcl_WrongNumArgs(interp, 1, objv, "SQLITE-CONNECTION");
84     return TCL_ERROR;
85   }
86   if( !Tcl_GetCommandInfo(interp, Tcl_GetString(objv[1]), &cmdInfo) ){
87     Tcl_AppendResult(interp, "command not found: ",
88            Tcl_GetString(objv[1]), (char*)0);
89     return TCL_ERROR;
90   }
91   p = (struct SqliteDb*)cmdInfo.objClientData;
92   sprintf(zBuf, "%p", p->db);
93   if( strncmp(zBuf,"0x",2) ){
94     sprintf(zBuf, "0x%p", p->db);
95   }
96   Tcl_AppendResult(interp, zBuf, 0);
97   return TCL_OK;
98 }
99 
100 /*
101 ** Decode a pointer to an sqlite3 object.
102 */
103 int getDbPointer(Tcl_Interp *interp, const char *zA, sqlite3 **ppDb){
104   struct SqliteDb *p;
105   Tcl_CmdInfo cmdInfo;
106   if( Tcl_GetCommandInfo(interp, zA, &cmdInfo) ){
107     p = (struct SqliteDb*)cmdInfo.objClientData;
108     *ppDb = p->db;
109   }else{
110     *ppDb = (sqlite3*)sqlite3TestTextToPtr(zA);
111   }
112   return TCL_OK;
113 }
114 
115 
116 const char *sqlite3TestErrorName(int rc){
117   const char *zName = 0;
118   switch( rc ){
119     case SQLITE_OK:                  zName = "SQLITE_OK";                break;
120     case SQLITE_ERROR:               zName = "SQLITE_ERROR";             break;
121     case SQLITE_INTERNAL:            zName = "SQLITE_INTERNAL";          break;
122     case SQLITE_PERM:                zName = "SQLITE_PERM";              break;
123     case SQLITE_ABORT:               zName = "SQLITE_ABORT";             break;
124     case SQLITE_BUSY:                zName = "SQLITE_BUSY";              break;
125     case SQLITE_LOCKED:              zName = "SQLITE_LOCKED";            break;
126     case SQLITE_LOCKED_SHAREDCACHE:  zName = "SQLITE_LOCKED_SHAREDCACHE";break;
127     case SQLITE_NOMEM:               zName = "SQLITE_NOMEM";             break;
128     case SQLITE_READONLY:            zName = "SQLITE_READONLY";          break;
129     case SQLITE_INTERRUPT:           zName = "SQLITE_INTERRUPT";         break;
130     case SQLITE_IOERR:               zName = "SQLITE_IOERR";             break;
131     case SQLITE_CORRUPT:             zName = "SQLITE_CORRUPT";           break;
132     case SQLITE_NOTFOUND:            zName = "SQLITE_NOTFOUND";          break;
133     case SQLITE_FULL:                zName = "SQLITE_FULL";              break;
134     case SQLITE_CANTOPEN:            zName = "SQLITE_CANTOPEN";          break;
135     case SQLITE_PROTOCOL:            zName = "SQLITE_PROTOCOL";          break;
136     case SQLITE_EMPTY:               zName = "SQLITE_EMPTY";             break;
137     case SQLITE_SCHEMA:              zName = "SQLITE_SCHEMA";            break;
138     case SQLITE_TOOBIG:              zName = "SQLITE_TOOBIG";            break;
139     case SQLITE_CONSTRAINT:          zName = "SQLITE_CONSTRAINT";        break;
140     case SQLITE_MISMATCH:            zName = "SQLITE_MISMATCH";          break;
141     case SQLITE_MISUSE:              zName = "SQLITE_MISUSE";            break;
142     case SQLITE_NOLFS:               zName = "SQLITE_NOLFS";             break;
143     case SQLITE_AUTH:                zName = "SQLITE_AUTH";              break;
144     case SQLITE_FORMAT:              zName = "SQLITE_FORMAT";            break;
145     case SQLITE_RANGE:               zName = "SQLITE_RANGE";             break;
146     case SQLITE_NOTADB:              zName = "SQLITE_NOTADB";            break;
147     case SQLITE_ROW:                 zName = "SQLITE_ROW";               break;
148     case SQLITE_DONE:                zName = "SQLITE_DONE";              break;
149     case SQLITE_IOERR_READ:          zName = "SQLITE_IOERR_READ";        break;
150     case SQLITE_IOERR_SHORT_READ:    zName = "SQLITE_IOERR_SHORT_READ";  break;
151     case SQLITE_IOERR_WRITE:         zName = "SQLITE_IOERR_WRITE";       break;
152     case SQLITE_IOERR_FSYNC:         zName = "SQLITE_IOERR_FSYNC";       break;
153     case SQLITE_IOERR_DIR_FSYNC:     zName = "SQLITE_IOERR_DIR_FSYNC";   break;
154     case SQLITE_IOERR_TRUNCATE:      zName = "SQLITE_IOERR_TRUNCATE";    break;
155     case SQLITE_IOERR_FSTAT:         zName = "SQLITE_IOERR_FSTAT";       break;
156     case SQLITE_IOERR_UNLOCK:        zName = "SQLITE_IOERR_UNLOCK";      break;
157     case SQLITE_IOERR_RDLOCK:        zName = "SQLITE_IOERR_RDLOCK";      break;
158     case SQLITE_IOERR_DELETE:        zName = "SQLITE_IOERR_DELETE";      break;
159     case SQLITE_IOERR_BLOCKED:       zName = "SQLITE_IOERR_BLOCKED";     break;
160     case SQLITE_IOERR_NOMEM:         zName = "SQLITE_IOERR_NOMEM";       break;
161     case SQLITE_IOERR_ACCESS:        zName = "SQLITE_IOERR_ACCESS";      break;
162     case SQLITE_IOERR_CHECKRESERVEDLOCK:
163                                zName = "SQLITE_IOERR_CHECKRESERVEDLOCK"; break;
164     case SQLITE_IOERR_LOCK:          zName = "SQLITE_IOERR_LOCK";        break;
165     default:                         zName = "SQLITE_Unknown";           break;
166   }
167   return zName;
168 }
169 #define t1ErrorName sqlite3TestErrorName
170 
171 /*
172 ** Convert an sqlite3_stmt* into an sqlite3*.  This depends on the
173 ** fact that the sqlite3* is the first field in the Vdbe structure.
174 */
175 #define StmtToDb(X)   sqlite3_db_handle(X)
176 
177 /*
178 ** Check a return value to make sure it agrees with the results
179 ** from sqlite3_errcode.
180 */
181 int sqlite3TestErrCode(Tcl_Interp *interp, sqlite3 *db, int rc){
182   if( sqlite3_threadsafe()==0 && rc!=SQLITE_MISUSE && rc!=SQLITE_OK
183    && 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:  sqlite3_exec_hex  DB  HEX
338 **
339 ** Invoke the sqlite3_exec() on a string that is obtained by translating
340 ** HEX into ASCII.  Most characters are translated as is.  %HH becomes
341 ** a hex character.
342 */
343 static int test_exec_hex(
344   void *NotUsed,
345   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
346   int argc,              /* Number of arguments */
347   char **argv            /* Text of each argument */
348 ){
349   sqlite3 *db;
350   Tcl_DString str;
351   int rc, i, j;
352   char *zErr = 0;
353   char *zHex;
354   char zSql[500];
355   char zBuf[30];
356   if( argc!=3 ){
357     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
358        " DB HEX", 0);
359     return TCL_ERROR;
360   }
361   if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
362   zHex = argv[2];
363   for(i=j=0; i<sizeof(zSql) && zHex[j]; i++, j++){
364     if( zHex[j]=='%' && zHex[j+2] && zHex[j+2] ){
365       zSql[i] = (testHexToInt(zHex[j+1])<<4) + testHexToInt(zHex[j+2]);
366       j += 2;
367     }else{
368       zSql[i] = zHex[j];
369     }
370   }
371   zSql[i] = 0;
372   Tcl_DStringInit(&str);
373   rc = sqlite3_exec(db, zSql, exec_printf_cb, &str, &zErr);
374   sprintf(zBuf, "%d", rc);
375   Tcl_AppendElement(interp, zBuf);
376   Tcl_AppendElement(interp, rc==SQLITE_OK ? Tcl_DStringValue(&str) : zErr);
377   Tcl_DStringFree(&str);
378   if( zErr ) sqlite3_free(zErr);
379   if( sqlite3TestErrCode(interp, db, rc) ) return TCL_ERROR;
380   return TCL_OK;
381 }
382 
383 /*
384 ** Usage:  db_enter DB
385 **         db_leave DB
386 **
387 ** Enter or leave the mutex on a database connection.
388 */
389 static int db_enter(
390   void *NotUsed,
391   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
392   int argc,              /* Number of arguments */
393   char **argv            /* Text of each argument */
394 ){
395   sqlite3 *db;
396   if( argc!=2 ){
397     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
398        " DB", 0);
399     return TCL_ERROR;
400   }
401   if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
402   sqlite3_mutex_enter(db->mutex);
403   return TCL_OK;
404 }
405 static int db_leave(
406   void *NotUsed,
407   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
408   int argc,              /* Number of arguments */
409   char **argv            /* Text of each argument */
410 ){
411   sqlite3 *db;
412   if( argc!=2 ){
413     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
414        " DB", 0);
415     return TCL_ERROR;
416   }
417   if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
418   sqlite3_mutex_leave(db->mutex);
419   return TCL_OK;
420 }
421 
422 /*
423 ** Usage:  sqlite3_exec  DB  SQL
424 **
425 ** Invoke the sqlite3_exec interface using the open database DB
426 */
427 static int test_exec(
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   Tcl_DString str;
435   int rc;
436   char *zErr = 0;
437   char *zSql;
438   int i, j;
439   char zBuf[30];
440   if( argc!=3 ){
441     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
442        " DB SQL", 0);
443     return TCL_ERROR;
444   }
445   if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
446   Tcl_DStringInit(&str);
447   zSql = sqlite3_mprintf("%s", argv[2]);
448   for(i=j=0; zSql[i];){
449     if( zSql[i]=='%' ){
450       zSql[j++] = (testHexToInt(zSql[i+1])<<4) + testHexToInt(zSql[i+2]);
451       i += 3;
452     }else{
453       zSql[j++] = zSql[i++];
454     }
455   }
456   zSql[j] = 0;
457   rc = sqlite3_exec(db, zSql, exec_printf_cb, &str, &zErr);
458   sqlite3_free(zSql);
459   sprintf(zBuf, "%d", rc);
460   Tcl_AppendElement(interp, zBuf);
461   Tcl_AppendElement(interp, rc==SQLITE_OK ? Tcl_DStringValue(&str) : zErr);
462   Tcl_DStringFree(&str);
463   if( zErr ) sqlite3_free(zErr);
464   if( sqlite3TestErrCode(interp, db, rc) ) return TCL_ERROR;
465   return TCL_OK;
466 }
467 
468 /*
469 ** Usage:  sqlite3_exec_nr  DB  SQL
470 **
471 ** Invoke the sqlite3_exec interface using the open database DB.  Discard
472 ** all results
473 */
474 static int test_exec_nr(
475   void *NotUsed,
476   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
477   int argc,              /* Number of arguments */
478   char **argv            /* Text of each argument */
479 ){
480   sqlite3 *db;
481   int rc;
482   char *zErr = 0;
483   if( argc!=3 ){
484     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
485        " DB SQL", 0);
486     return TCL_ERROR;
487   }
488   if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
489   rc = sqlite3_exec(db, argv[2], 0, 0, &zErr);
490   if( sqlite3TestErrCode(interp, db, rc) ) return TCL_ERROR;
491   return TCL_OK;
492 }
493 
494 /*
495 ** Usage:  sqlite3_mprintf_z_test  SEPARATOR  ARG0  ARG1 ...
496 **
497 ** Test the %z format of sqlite_mprintf().  Use multiple mprintf() calls to
498 ** concatenate arg0 through argn using separator as the separator.
499 ** Return the result.
500 */
501 static int test_mprintf_z(
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 *zResult = 0;
508   int i;
509 
510   for(i=2; i<argc && (i==2 || zResult); i++){
511     zResult = sqlite3_mprintf("%z%s%s", zResult, argv[1], argv[i]);
512   }
513   Tcl_AppendResult(interp, zResult, 0);
514   sqlite3_free(zResult);
515   return TCL_OK;
516 }
517 
518 /*
519 ** Usage:  sqlite3_mprintf_n_test  STRING
520 **
521 ** Test the %n format of sqlite_mprintf().  Return the length of the
522 ** input string.
523 */
524 static int test_mprintf_n(
525   void *NotUsed,
526   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
527   int argc,              /* Number of arguments */
528   char **argv            /* Text of each argument */
529 ){
530   char *zStr;
531   int n = 0;
532   zStr = sqlite3_mprintf("%s%n", argv[1], &n);
533   sqlite3_free(zStr);
534   Tcl_SetObjResult(interp, Tcl_NewIntObj(n));
535   return TCL_OK;
536 }
537 
538 /*
539 ** Usage:  sqlite3_snprintf_int  SIZE FORMAT  INT
540 **
541 ** Test the of sqlite3_snprintf() routine.  SIZE is the size of the
542 ** output buffer in bytes.  The maximum size is 100.  FORMAT is the
543 ** format string.  INT is a single integer argument.  The FORMAT
544 ** string must require no more than this one integer argument.  If
545 ** You pass in a format string that requires more than one argument,
546 ** bad things will happen.
547 */
548 static int test_snprintf_int(
549   void *NotUsed,
550   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
551   int argc,              /* Number of arguments */
552   char **argv            /* Text of each argument */
553 ){
554   char zStr[100];
555   int n = atoi(argv[1]);
556   const char *zFormat = argv[2];
557   int a1 = atoi(argv[3]);
558   if( n>sizeof(zStr) ) n = sizeof(zStr);
559   sqlite3_snprintf(sizeof(zStr), zStr, "abcdefghijklmnopqrstuvwxyz");
560   sqlite3_snprintf(n, zStr, zFormat, a1);
561   Tcl_AppendResult(interp, zStr, 0);
562   return TCL_OK;
563 }
564 
565 #ifndef SQLITE_OMIT_GET_TABLE
566 
567 /*
568 ** Usage:  sqlite3_get_table_printf  DB  FORMAT  STRING  ?--no-counts?
569 **
570 ** Invoke the sqlite3_get_table_printf() interface using the open database
571 ** DB.  The SQL is the string FORMAT.  The format string should contain
572 ** one %s or %q.  STRING is the value inserted into %s or %q.
573 */
574 static int test_get_table_printf(
575   void *NotUsed,
576   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
577   int argc,              /* Number of arguments */
578   char **argv            /* Text of each argument */
579 ){
580   sqlite3 *db;
581   Tcl_DString str;
582   int rc;
583   char *zErr = 0;
584   int nRow, nCol;
585   char **aResult;
586   int i;
587   char zBuf[30];
588   char *zSql;
589   int resCount = -1;
590   if( argc==5 ){
591     if( Tcl_GetInt(interp, argv[4], &resCount) ) return TCL_ERROR;
592   }
593   if( argc!=4 && argc!=5 ){
594     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
595        " DB FORMAT STRING ?COUNT?", 0);
596     return TCL_ERROR;
597   }
598   if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
599   Tcl_DStringInit(&str);
600   zSql = sqlite3_mprintf(argv[2],argv[3]);
601   if( argc==5 ){
602     rc = sqlite3_get_table(db, zSql, &aResult, 0, 0, &zErr);
603   }else{
604     rc = sqlite3_get_table(db, zSql, &aResult, &nRow, &nCol, &zErr);
605     resCount = (nRow+1)*nCol;
606   }
607   sqlite3_free(zSql);
608   sprintf(zBuf, "%d", rc);
609   Tcl_AppendElement(interp, zBuf);
610   if( rc==SQLITE_OK ){
611     if( argc==4 ){
612       sprintf(zBuf, "%d", nRow);
613       Tcl_AppendElement(interp, zBuf);
614       sprintf(zBuf, "%d", nCol);
615       Tcl_AppendElement(interp, zBuf);
616     }
617     for(i=0; i<resCount; i++){
618       Tcl_AppendElement(interp, aResult[i] ? aResult[i] : "NULL");
619     }
620   }else{
621     Tcl_AppendElement(interp, zErr);
622   }
623   sqlite3_free_table(aResult);
624   if( zErr ) sqlite3_free(zErr);
625   if( sqlite3TestErrCode(interp, db, rc) ) return TCL_ERROR;
626   return TCL_OK;
627 }
628 
629 #endif /* SQLITE_OMIT_GET_TABLE */
630 
631 
632 /*
633 ** Usage:  sqlite3_last_insert_rowid DB
634 **
635 ** Returns the integer ROWID of the most recent insert.
636 */
637 static int test_last_rowid(
638   void *NotUsed,
639   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
640   int argc,              /* Number of arguments */
641   char **argv            /* Text of each argument */
642 ){
643   sqlite3 *db;
644   char zBuf[30];
645 
646   if( argc!=2 ){
647     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0], " DB\"", 0);
648     return TCL_ERROR;
649   }
650   if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
651   sprintf(zBuf, "%lld", sqlite3_last_insert_rowid(db));
652   Tcl_AppendResult(interp, zBuf, 0);
653   return SQLITE_OK;
654 }
655 
656 /*
657 ** Usage:  sqlite3_key DB KEY
658 **
659 ** Set the codec key.
660 */
661 static int test_key(
662   void *NotUsed,
663   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
664   int argc,              /* Number of arguments */
665   char **argv            /* Text of each argument */
666 ){
667   sqlite3 *db;
668   const char *zKey;
669   int nKey;
670   if( argc!=3 ){
671     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
672        " FILENAME\"", 0);
673     return TCL_ERROR;
674   }
675   if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
676   zKey = argv[2];
677   nKey = strlen(zKey);
678 #ifdef SQLITE_HAS_CODEC
679   sqlite3_key(db, zKey, nKey);
680 #endif
681   return TCL_OK;
682 }
683 
684 /*
685 ** Usage:  sqlite3_rekey DB KEY
686 **
687 ** Change the codec key.
688 */
689 static int test_rekey(
690   void *NotUsed,
691   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
692   int argc,              /* Number of arguments */
693   char **argv            /* Text of each argument */
694 ){
695   sqlite3 *db;
696   const char *zKey;
697   int nKey;
698   if( argc!=3 ){
699     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
700        " FILENAME\"", 0);
701     return TCL_ERROR;
702   }
703   if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
704   zKey = argv[2];
705   nKey = strlen(zKey);
706 #ifdef SQLITE_HAS_CODEC
707   sqlite3_rekey(db, zKey, nKey);
708 #endif
709   return TCL_OK;
710 }
711 
712 /*
713 ** Usage:  sqlite3_close DB
714 **
715 ** Closes the database opened by sqlite3_open.
716 */
717 static int sqlite_test_close(
718   void *NotUsed,
719   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
720   int argc,              /* Number of arguments */
721   char **argv            /* Text of each argument */
722 ){
723   sqlite3 *db;
724   int rc;
725   if( argc!=2 ){
726     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
727        " FILENAME\"", 0);
728     return TCL_ERROR;
729   }
730   if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
731   rc = sqlite3_close(db);
732   Tcl_SetResult(interp, (char *)t1ErrorName(rc), TCL_STATIC);
733   return TCL_OK;
734 }
735 
736 /*
737 ** Implementation of the x_coalesce() function.
738 ** Return the first argument non-NULL argument.
739 */
740 static void t1_ifnullFunc(
741   sqlite3_context *context,
742   int argc,
743   sqlite3_value **argv
744 ){
745   int i;
746   for(i=0; i<argc; i++){
747     if( SQLITE_NULL!=sqlite3_value_type(argv[i]) ){
748       int n = sqlite3_value_bytes(argv[i]);
749       sqlite3_result_text(context, (char*)sqlite3_value_text(argv[i]),
750           n, SQLITE_TRANSIENT);
751       break;
752     }
753   }
754 }
755 
756 /*
757 ** These are test functions.    hex8() interprets its argument as
758 ** UTF8 and returns a hex encoding.  hex16le() interprets its argument
759 ** as UTF16le and returns a hex encoding.
760 */
761 static void hex8Func(sqlite3_context *p, int argc, sqlite3_value **argv){
762   const unsigned char *z;
763   int i;
764   char zBuf[200];
765   z = sqlite3_value_text(argv[0]);
766   for(i=0; i<sizeof(zBuf)/2 - 2 && z[i]; i++){
767     sprintf(&zBuf[i*2], "%02x", z[i]&0xff);
768   }
769   zBuf[i*2] = 0;
770   sqlite3_result_text(p, (char*)zBuf, -1, SQLITE_TRANSIENT);
771 }
772 #ifndef SQLITE_OMIT_UTF16
773 static void hex16Func(sqlite3_context *p, int argc, sqlite3_value **argv){
774   const unsigned short int *z;
775   int i;
776   char zBuf[400];
777   z = sqlite3_value_text16(argv[0]);
778   for(i=0; i<sizeof(zBuf)/4 - 4 && z[i]; i++){
779     sprintf(&zBuf[i*4], "%04x", z[i]&0xff);
780   }
781   zBuf[i*4] = 0;
782   sqlite3_result_text(p, (char*)zBuf, -1, SQLITE_TRANSIENT);
783 }
784 #endif
785 
786 /*
787 ** A structure into which to accumulate text.
788 */
789 struct dstr {
790   int nAlloc;  /* Space allocated */
791   int nUsed;   /* Space used */
792   char *z;     /* The space */
793 };
794 
795 /*
796 ** Append text to a dstr
797 */
798 static void dstrAppend(struct dstr *p, const char *z, int divider){
799   int n = strlen(z);
800   if( p->nUsed + n + 2 > p->nAlloc ){
801     char *zNew;
802     p->nAlloc = p->nAlloc*2 + n + 200;
803     zNew = sqlite3_realloc(p->z, p->nAlloc);
804     if( zNew==0 ){
805       sqlite3_free(p->z);
806       memset(p, 0, sizeof(*p));
807       return;
808     }
809     p->z = zNew;
810   }
811   if( divider && p->nUsed>0 ){
812     p->z[p->nUsed++] = divider;
813   }
814   memcpy(&p->z[p->nUsed], z, n+1);
815   p->nUsed += n;
816 }
817 
818 /*
819 ** Invoked for each callback from sqlite3ExecFunc
820 */
821 static int execFuncCallback(void *pData, int argc, char **argv, char **NotUsed){
822   struct dstr *p = (struct dstr*)pData;
823   int i;
824   for(i=0; i<argc; i++){
825     if( argv[i]==0 ){
826       dstrAppend(p, "NULL", ' ');
827     }else{
828       dstrAppend(p, argv[i], ' ');
829     }
830   }
831   return 0;
832 }
833 
834 /*
835 ** Implementation of the x_sqlite_exec() function.  This function takes
836 ** a single argument and attempts to execute that argument as SQL code.
837 ** This is illegal and should set the SQLITE_MISUSE flag on the database.
838 **
839 ** 2004-Jan-07:  We have changed this to make it legal to call sqlite3_exec()
840 ** from within a function call.
841 **
842 ** This routine simulates the effect of having two threads attempt to
843 ** use the same database at the same time.
844 */
845 static void sqlite3ExecFunc(
846   sqlite3_context *context,
847   int argc,
848   sqlite3_value **argv
849 ){
850   struct dstr x;
851   memset(&x, 0, sizeof(x));
852   (void)sqlite3_exec((sqlite3*)sqlite3_user_data(context),
853       (char*)sqlite3_value_text(argv[0]),
854       execFuncCallback, &x, 0);
855   sqlite3_result_text(context, x.z, x.nUsed, SQLITE_TRANSIENT);
856   sqlite3_free(x.z);
857 }
858 
859 /*
860 ** Implementation of tkt2213func(), a scalar function that takes exactly
861 ** one argument. It has two interesting features:
862 **
863 ** * It calls sqlite3_value_text() 3 times on the argument sqlite3_value*.
864 **   If the three pointers returned are not the same an SQL error is raised.
865 **
866 ** * Otherwise it returns a copy of the text representation of its
867 **   argument in such a way as the VDBE representation is a Mem* cell
868 **   with the MEM_Term flag clear.
869 **
870 ** Ticket #2213 can therefore be tested by evaluating the following
871 ** SQL expression:
872 **
873 **   tkt2213func(tkt2213func('a string'));
874 */
875 static void tkt2213Function(
876   sqlite3_context *context,
877   int argc,
878   sqlite3_value **argv
879 ){
880   int nText;
881   unsigned char const *zText1;
882   unsigned char const *zText2;
883   unsigned char const *zText3;
884 
885   nText = sqlite3_value_bytes(argv[0]);
886   zText1 = sqlite3_value_text(argv[0]);
887   zText2 = sqlite3_value_text(argv[0]);
888   zText3 = sqlite3_value_text(argv[0]);
889 
890   if( zText1!=zText2 || zText2!=zText3 ){
891     sqlite3_result_error(context, "tkt2213 is not fixed", -1);
892   }else{
893     char *zCopy = (char *)sqlite3_malloc(nText);
894     memcpy(zCopy, zText1, nText);
895     sqlite3_result_text(context, zCopy, nText, sqlite3_free);
896   }
897 }
898 
899 /*
900 ** The following SQL function takes 4 arguments.  The 2nd and
901 ** 4th argument must be one of these strings:  'text', 'text16',
902 ** or 'blob' corresponding to API functions
903 **
904 **      sqlite3_value_text()
905 **      sqlite3_value_text16()
906 **      sqlite3_value_blob()
907 **
908 ** The third argument is a string, either 'bytes' or 'bytes16' or 'noop',
909 ** corresponding to APIs:
910 **
911 **      sqlite3_value_bytes()
912 **      sqlite3_value_bytes16()
913 **      noop
914 **
915 ** The APIs designated by the 2nd through 4th arguments are applied
916 ** to the first argument in order.  If the pointers returned by the
917 ** second and fourth are different, this routine returns 1.  Otherwise,
918 ** this routine returns 0.
919 **
920 ** This function is used to test to see when returned pointers from
921 ** the _text(), _text16() and _blob() APIs become invalidated.
922 */
923 static void ptrChngFunction(
924   sqlite3_context *context,
925   int argc,
926   sqlite3_value **argv
927 ){
928   const void *p1, *p2;
929   const char *zCmd;
930   if( argc!=4 ) return;
931   zCmd = (const char*)sqlite3_value_text(argv[1]);
932   if( zCmd==0 ) return;
933   if( strcmp(zCmd,"text")==0 ){
934     p1 = (const void*)sqlite3_value_text(argv[0]);
935 #ifndef SQLITE_OMIT_UTF16
936   }else if( strcmp(zCmd, "text16")==0 ){
937     p1 = (const void*)sqlite3_value_text16(argv[0]);
938 #endif
939   }else if( strcmp(zCmd, "blob")==0 ){
940     p1 = (const void*)sqlite3_value_blob(argv[0]);
941   }else{
942     return;
943   }
944   zCmd = (const char*)sqlite3_value_text(argv[2]);
945   if( zCmd==0 ) return;
946   if( strcmp(zCmd,"bytes")==0 ){
947     sqlite3_value_bytes(argv[0]);
948 #ifndef SQLITE_OMIT_UTF16
949   }else if( strcmp(zCmd, "bytes16")==0 ){
950     sqlite3_value_bytes16(argv[0]);
951 #endif
952   }else if( strcmp(zCmd, "noop")==0 ){
953     /* do nothing */
954   }else{
955     return;
956   }
957   zCmd = (const char*)sqlite3_value_text(argv[3]);
958   if( zCmd==0 ) return;
959   if( strcmp(zCmd,"text")==0 ){
960     p2 = (const void*)sqlite3_value_text(argv[0]);
961 #ifndef SQLITE_OMIT_UTF16
962   }else if( strcmp(zCmd, "text16")==0 ){
963     p2 = (const void*)sqlite3_value_text16(argv[0]);
964 #endif
965   }else if( strcmp(zCmd, "blob")==0 ){
966     p2 = (const void*)sqlite3_value_blob(argv[0]);
967   }else{
968     return;
969   }
970   sqlite3_result_int(context, p1!=p2);
971 }
972 
973 
974 /*
975 ** Usage:  sqlite_test_create_function DB
976 **
977 ** Call the sqlite3_create_function API on the given database in order
978 ** to create a function named "x_coalesce".  This function does the same thing
979 ** as the "coalesce" function.  This function also registers an SQL function
980 ** named "x_sqlite_exec" that invokes sqlite3_exec().  Invoking sqlite3_exec()
981 ** in this way is illegal recursion and should raise an SQLITE_MISUSE error.
982 ** The effect is similar to trying to use the same database connection from
983 ** two threads at the same time.
984 **
985 ** The original motivation for this routine was to be able to call the
986 ** sqlite3_create_function function while a query is in progress in order
987 ** to test the SQLITE_MISUSE detection logic.
988 */
989 static int test_create_function(
990   void *NotUsed,
991   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
992   int argc,              /* Number of arguments */
993   char **argv            /* Text of each argument */
994 ){
995   int rc;
996   sqlite3 *db;
997 
998   if( argc!=2 ){
999     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
1000        " DB\"", 0);
1001     return TCL_ERROR;
1002   }
1003   if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
1004   rc = sqlite3_create_function(db, "x_coalesce", -1, SQLITE_ANY, 0,
1005         t1_ifnullFunc, 0, 0);
1006   if( rc==SQLITE_OK ){
1007     rc = sqlite3_create_function(db, "hex8", 1, SQLITE_ANY, 0,
1008           hex8Func, 0, 0);
1009   }
1010 #ifndef SQLITE_OMIT_UTF16
1011   if( rc==SQLITE_OK ){
1012     rc = sqlite3_create_function(db, "hex16", 1, SQLITE_ANY, 0,
1013           hex16Func, 0, 0);
1014   }
1015 #endif
1016   if( rc==SQLITE_OK ){
1017     rc = sqlite3_create_function(db, "tkt2213func", 1, SQLITE_ANY, 0,
1018           tkt2213Function, 0, 0);
1019   }
1020   if( rc==SQLITE_OK ){
1021     rc = sqlite3_create_function(db, "pointer_change", 4, SQLITE_ANY, 0,
1022           ptrChngFunction, 0, 0);
1023   }
1024 
1025 #ifndef SQLITE_OMIT_UTF16
1026   /* Use the sqlite3_create_function16() API here. Mainly for fun, but also
1027   ** because it is not tested anywhere else. */
1028   if( rc==SQLITE_OK ){
1029     const void *zUtf16;
1030     sqlite3_value *pVal;
1031     sqlite3_mutex_enter(db->mutex);
1032     pVal = sqlite3ValueNew(db);
1033     sqlite3ValueSetStr(pVal, -1, "x_sqlite_exec", SQLITE_UTF8, SQLITE_STATIC);
1034     zUtf16 = sqlite3ValueText(pVal, SQLITE_UTF16NATIVE);
1035     if( db->mallocFailed ){
1036       rc = SQLITE_NOMEM;
1037     }else{
1038       rc = sqlite3_create_function16(db, zUtf16,
1039                 1, SQLITE_UTF16, db, sqlite3ExecFunc, 0, 0);
1040     }
1041     sqlite3ValueFree(pVal);
1042     sqlite3_mutex_leave(db->mutex);
1043   }
1044 #endif
1045 
1046   if( sqlite3TestErrCode(interp, db, rc) ) return TCL_ERROR;
1047   Tcl_SetResult(interp, (char *)t1ErrorName(rc), 0);
1048   return TCL_OK;
1049 }
1050 
1051 /*
1052 ** Routines to implement the x_count() aggregate function.
1053 **
1054 ** x_count() counts the number of non-null arguments.  But there are
1055 ** some twists for testing purposes.
1056 **
1057 ** If the argument to x_count() is 40 then a UTF-8 error is reported
1058 ** on the step function.  If x_count(41) is seen, then a UTF-16 error
1059 ** is reported on the step function.  If the total count is 42, then
1060 ** a UTF-8 error is reported on the finalize function.
1061 */
1062 typedef struct t1CountCtx t1CountCtx;
1063 struct t1CountCtx {
1064   int n;
1065 };
1066 static void t1CountStep(
1067   sqlite3_context *context,
1068   int argc,
1069   sqlite3_value **argv
1070 ){
1071   t1CountCtx *p;
1072   p = sqlite3_aggregate_context(context, sizeof(*p));
1073   if( (argc==0 || SQLITE_NULL!=sqlite3_value_type(argv[0]) ) && p ){
1074     p->n++;
1075   }
1076   if( argc>0 ){
1077     int v = sqlite3_value_int(argv[0]);
1078     if( v==40 ){
1079       sqlite3_result_error(context, "value of 40 handed to x_count", -1);
1080 #ifndef SQLITE_OMIT_UTF16
1081     }else if( v==41 ){
1082       const char zUtf16ErrMsg[] = { 0, 0x61, 0, 0x62, 0, 0x63, 0, 0, 0};
1083       sqlite3_result_error16(context, &zUtf16ErrMsg[1-SQLITE_BIGENDIAN], -1);
1084 #endif
1085     }
1086   }
1087 }
1088 static void t1CountFinalize(sqlite3_context *context){
1089   t1CountCtx *p;
1090   p = sqlite3_aggregate_context(context, sizeof(*p));
1091   if( p ){
1092     if( p->n==42 ){
1093       sqlite3_result_error(context, "x_count totals to 42", -1);
1094     }else{
1095       sqlite3_result_int(context, p ? p->n : 0);
1096     }
1097   }
1098 }
1099 
1100 #ifndef SQLITE_OMIT_DEPRECATED
1101 static void legacyCountStep(
1102   sqlite3_context *context,
1103   int argc,
1104   sqlite3_value **argv
1105 ){
1106   /* no-op */
1107 }
1108 
1109 static void legacyCountFinalize(sqlite3_context *context){
1110   sqlite3_result_int(context, sqlite3_aggregate_count(context));
1111 }
1112 #endif
1113 
1114 /*
1115 ** Usage:  sqlite3_create_aggregate DB
1116 **
1117 ** Call the sqlite3_create_function API on the given database in order
1118 ** to create a function named "x_count".  This function is similar
1119 ** to the built-in count() function, with a few special quirks
1120 ** for testing the sqlite3_result_error() APIs.
1121 **
1122 ** The original motivation for this routine was to be able to call the
1123 ** sqlite3_create_aggregate function while a query is in progress in order
1124 ** to test the SQLITE_MISUSE detection logic.  See misuse.test.
1125 **
1126 ** This routine was later extended to test the use of sqlite3_result_error()
1127 ** within aggregate functions.
1128 **
1129 ** Later: It is now also extended to register the aggregate function
1130 ** "legacy_count()" with the supplied database handle. This is used
1131 ** to test the deprecated sqlite3_aggregate_count() API.
1132 */
1133 static int test_create_aggregate(
1134   void *NotUsed,
1135   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
1136   int argc,              /* Number of arguments */
1137   char **argv            /* Text of each argument */
1138 ){
1139   sqlite3 *db;
1140   int rc;
1141   if( argc!=2 ){
1142     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
1143        " FILENAME\"", 0);
1144     return TCL_ERROR;
1145   }
1146   if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
1147   rc = sqlite3_create_function(db, "x_count", 0, SQLITE_UTF8, 0, 0,
1148       t1CountStep,t1CountFinalize);
1149   if( rc==SQLITE_OK ){
1150     rc = sqlite3_create_function(db, "x_count", 1, SQLITE_UTF8, 0, 0,
1151         t1CountStep,t1CountFinalize);
1152   }
1153 #ifndef SQLITE_OMIT_DEPRECATED
1154   if( rc==SQLITE_OK ){
1155     rc = sqlite3_create_function(db, "legacy_count", 0, SQLITE_ANY, 0, 0,
1156         legacyCountStep, legacyCountFinalize
1157     );
1158   }
1159 #endif
1160   if( sqlite3TestErrCode(interp, db, rc) ) return TCL_ERROR;
1161   Tcl_SetResult(interp, (char *)t1ErrorName(rc), 0);
1162   return TCL_OK;
1163 }
1164 
1165 
1166 /*
1167 ** Usage:  printf TEXT
1168 **
1169 ** Send output to printf.  Use this rather than puts to merge the output
1170 ** in the correct sequence with debugging printfs inserted into C code.
1171 ** Puts uses a separate buffer and debugging statements will be out of
1172 ** sequence if it is used.
1173 */
1174 static int test_printf(
1175   void *NotUsed,
1176   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
1177   int argc,              /* Number of arguments */
1178   char **argv            /* Text of each argument */
1179 ){
1180   if( argc!=2 ){
1181     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
1182        " TEXT\"", 0);
1183     return TCL_ERROR;
1184   }
1185   printf("%s\n", argv[1]);
1186   return TCL_OK;
1187 }
1188 
1189 
1190 
1191 /*
1192 ** Usage:  sqlite3_mprintf_int FORMAT INTEGER INTEGER INTEGER
1193 **
1194 ** Call mprintf with three integer arguments
1195 */
1196 static int sqlite3_mprintf_int(
1197   void *NotUsed,
1198   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
1199   int argc,              /* Number of arguments */
1200   char **argv            /* Text of each argument */
1201 ){
1202   int a[3], i;
1203   char *z;
1204   if( argc!=5 ){
1205     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
1206        " FORMAT INT INT INT\"", 0);
1207     return TCL_ERROR;
1208   }
1209   for(i=2; i<5; i++){
1210     if( Tcl_GetInt(interp, argv[i], &a[i-2]) ) return TCL_ERROR;
1211   }
1212   z = sqlite3_mprintf(argv[1], a[0], a[1], a[2]);
1213   Tcl_AppendResult(interp, z, 0);
1214   sqlite3_free(z);
1215   return TCL_OK;
1216 }
1217 
1218 /*
1219 ** Usage:  sqlite3_mprintf_int64 FORMAT INTEGER INTEGER INTEGER
1220 **
1221 ** Call mprintf with three 64-bit integer arguments
1222 */
1223 static int sqlite3_mprintf_int64(
1224   void *NotUsed,
1225   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
1226   int argc,              /* Number of arguments */
1227   char **argv            /* Text of each argument */
1228 ){
1229   int i;
1230   sqlite_int64 a[3];
1231   char *z;
1232   if( argc!=5 ){
1233     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
1234        " FORMAT INT INT INT\"", 0);
1235     return TCL_ERROR;
1236   }
1237   for(i=2; i<5; i++){
1238     if( !sqlite3Atoi64(argv[i], &a[i-2]) ){
1239       Tcl_AppendResult(interp, "argument is not a valid 64-bit integer", 0);
1240       return TCL_ERROR;
1241     }
1242   }
1243   z = sqlite3_mprintf(argv[1], a[0], a[1], a[2]);
1244   Tcl_AppendResult(interp, z, 0);
1245   sqlite3_free(z);
1246   return TCL_OK;
1247 }
1248 
1249 /*
1250 ** Usage:  sqlite3_mprintf_long FORMAT INTEGER INTEGER INTEGER
1251 **
1252 ** Call mprintf with three long integer arguments.   This might be the
1253 ** same as sqlite3_mprintf_int or sqlite3_mprintf_int64, depending on
1254 ** platform.
1255 */
1256 static int sqlite3_mprintf_long(
1257   void *NotUsed,
1258   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
1259   int argc,              /* Number of arguments */
1260   char **argv            /* Text of each argument */
1261 ){
1262   int i;
1263   long int a[3];
1264   int b[3];
1265   char *z;
1266   if( argc!=5 ){
1267     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
1268        " FORMAT INT INT INT\"", 0);
1269     return TCL_ERROR;
1270   }
1271   for(i=2; i<5; i++){
1272     if( Tcl_GetInt(interp, argv[i], &b[i-2]) ) return TCL_ERROR;
1273     a[i-2] = (long int)b[i-2];
1274     a[i-2] &= (((u64)1)<<(sizeof(int)*8))-1;
1275   }
1276   z = sqlite3_mprintf(argv[1], a[0], a[1], a[2]);
1277   Tcl_AppendResult(interp, z, 0);
1278   sqlite3_free(z);
1279   return TCL_OK;
1280 }
1281 
1282 /*
1283 ** Usage:  sqlite3_mprintf_str FORMAT INTEGER INTEGER STRING
1284 **
1285 ** Call mprintf with two integer arguments and one string argument
1286 */
1287 static int sqlite3_mprintf_str(
1288   void *NotUsed,
1289   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
1290   int argc,              /* Number of arguments */
1291   char **argv            /* Text of each argument */
1292 ){
1293   int a[3], i;
1294   char *z;
1295   if( argc<4 || argc>5 ){
1296     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
1297        " FORMAT INT INT ?STRING?\"", 0);
1298     return TCL_ERROR;
1299   }
1300   for(i=2; i<4; i++){
1301     if( Tcl_GetInt(interp, argv[i], &a[i-2]) ) return TCL_ERROR;
1302   }
1303   z = sqlite3_mprintf(argv[1], a[0], a[1], argc>4 ? argv[4] : NULL);
1304   Tcl_AppendResult(interp, z, 0);
1305   sqlite3_free(z);
1306   return TCL_OK;
1307 }
1308 
1309 /*
1310 ** Usage:  sqlite3_snprintf_str INTEGER FORMAT INTEGER INTEGER STRING
1311 **
1312 ** Call mprintf with two integer arguments and one string argument
1313 */
1314 static int sqlite3_snprintf_str(
1315   void *NotUsed,
1316   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
1317   int argc,              /* Number of arguments */
1318   char **argv            /* Text of each argument */
1319 ){
1320   int a[3], i;
1321   int n;
1322   char *z;
1323   if( argc<5 || argc>6 ){
1324     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
1325        " INT FORMAT INT INT ?STRING?\"", 0);
1326     return TCL_ERROR;
1327   }
1328   if( Tcl_GetInt(interp, argv[1], &n) ) return TCL_ERROR;
1329   if( n<0 ){
1330     Tcl_AppendResult(interp, "N must be non-negative", 0);
1331     return TCL_ERROR;
1332   }
1333   for(i=3; i<5; i++){
1334     if( Tcl_GetInt(interp, argv[i], &a[i-3]) ) return TCL_ERROR;
1335   }
1336   z = sqlite3_malloc( n+1 );
1337   sqlite3_snprintf(n, z, argv[2], a[0], a[1], argc>4 ? argv[5] : NULL);
1338   Tcl_AppendResult(interp, z, 0);
1339   sqlite3_free(z);
1340   return TCL_OK;
1341 }
1342 
1343 /*
1344 ** Usage:  sqlite3_mprintf_double FORMAT INTEGER INTEGER DOUBLE
1345 **
1346 ** Call mprintf with two integer arguments and one double argument
1347 */
1348 static int sqlite3_mprintf_double(
1349   void *NotUsed,
1350   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
1351   int argc,              /* Number of arguments */
1352   char **argv            /* Text of each argument */
1353 ){
1354   int a[3], i;
1355   double r;
1356   char *z;
1357   if( argc!=5 ){
1358     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
1359        " FORMAT INT INT DOUBLE\"", 0);
1360     return TCL_ERROR;
1361   }
1362   for(i=2; i<4; i++){
1363     if( Tcl_GetInt(interp, argv[i], &a[i-2]) ) return TCL_ERROR;
1364   }
1365   if( Tcl_GetDouble(interp, argv[4], &r) ) return TCL_ERROR;
1366   z = sqlite3_mprintf(argv[1], a[0], a[1], r);
1367   Tcl_AppendResult(interp, z, 0);
1368   sqlite3_free(z);
1369   return TCL_OK;
1370 }
1371 
1372 /*
1373 ** Usage:  sqlite3_mprintf_scaled FORMAT DOUBLE DOUBLE
1374 **
1375 ** Call mprintf with a single double argument which is the product of the
1376 ** two arguments given above.  This is used to generate overflow and underflow
1377 ** doubles to test that they are converted properly.
1378 */
1379 static int sqlite3_mprintf_scaled(
1380   void *NotUsed,
1381   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
1382   int argc,              /* Number of arguments */
1383   char **argv            /* Text of each argument */
1384 ){
1385   int i;
1386   double r[2];
1387   char *z;
1388   if( argc!=4 ){
1389     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
1390        " FORMAT DOUBLE DOUBLE\"", 0);
1391     return TCL_ERROR;
1392   }
1393   for(i=2; i<4; i++){
1394     if( Tcl_GetDouble(interp, argv[i], &r[i-2]) ) return TCL_ERROR;
1395   }
1396   z = sqlite3_mprintf(argv[1], r[0]*r[1]);
1397   Tcl_AppendResult(interp, z, 0);
1398   sqlite3_free(z);
1399   return TCL_OK;
1400 }
1401 
1402 /*
1403 ** Usage:  sqlite3_mprintf_stronly FORMAT STRING
1404 **
1405 ** Call mprintf with a single double argument which is the product of the
1406 ** two arguments given above.  This is used to generate overflow and underflow
1407 ** doubles to test that they are converted properly.
1408 */
1409 static int sqlite3_mprintf_stronly(
1410   void *NotUsed,
1411   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
1412   int argc,              /* Number of arguments */
1413   char **argv            /* Text of each argument */
1414 ){
1415   char *z;
1416   if( argc!=3 ){
1417     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
1418        " FORMAT STRING\"", 0);
1419     return TCL_ERROR;
1420   }
1421   z = sqlite3_mprintf(argv[1], argv[2]);
1422   Tcl_AppendResult(interp, z, 0);
1423   sqlite3_free(z);
1424   return TCL_OK;
1425 }
1426 
1427 /*
1428 ** Usage:  sqlite3_mprintf_hexdouble FORMAT HEX
1429 **
1430 ** Call mprintf with a single double argument which is derived from the
1431 ** hexadecimal encoding of an IEEE double.
1432 */
1433 static int sqlite3_mprintf_hexdouble(
1434   void *NotUsed,
1435   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
1436   int argc,              /* Number of arguments */
1437   char **argv            /* Text of each argument */
1438 ){
1439   char *z;
1440   double r;
1441   unsigned int x1, x2;
1442   sqlite_uint64 d;
1443   if( argc!=3 ){
1444     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
1445        " FORMAT STRING\"", 0);
1446     return TCL_ERROR;
1447   }
1448   if( sscanf(argv[2], "%08x%08x", &x2, &x1)!=2 ){
1449     Tcl_AppendResult(interp, "2nd argument should be 16-characters of hex", 0);
1450     return TCL_ERROR;
1451   }
1452   d = x2;
1453   d = (d<<32) + x1;
1454   memcpy(&r, &d, sizeof(r));
1455   z = sqlite3_mprintf(argv[1], r);
1456   Tcl_AppendResult(interp, z, 0);
1457   sqlite3_free(z);
1458   return TCL_OK;
1459 }
1460 
1461 /*
1462 ** Usage: sqlite3_enable_shared_cache ?BOOLEAN?
1463 **
1464 */
1465 #if !defined(SQLITE_OMIT_SHARED_CACHE)
1466 static int test_enable_shared(
1467   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
1468   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
1469   int objc,              /* Number of arguments */
1470   Tcl_Obj *CONST objv[]  /* Command arguments */
1471 ){
1472   int rc;
1473   int enable;
1474   int ret = 0;
1475 
1476   if( objc!=2 && objc!=1 ){
1477     Tcl_WrongNumArgs(interp, 1, objv, "?BOOLEAN?");
1478     return TCL_ERROR;
1479   }
1480   ret = sqlite3GlobalConfig.sharedCacheEnabled;
1481 
1482   if( objc==2 ){
1483     if( Tcl_GetBooleanFromObj(interp, objv[1], &enable) ){
1484       return TCL_ERROR;
1485     }
1486     rc = sqlite3_enable_shared_cache(enable);
1487     if( rc!=SQLITE_OK ){
1488       Tcl_SetResult(interp, (char *)sqlite3ErrStr(rc), TCL_STATIC);
1489       return TCL_ERROR;
1490     }
1491   }
1492   Tcl_SetObjResult(interp, Tcl_NewBooleanObj(ret));
1493   return TCL_OK;
1494 }
1495 #endif
1496 
1497 
1498 
1499 /*
1500 ** Usage: sqlite3_extended_result_codes   DB    BOOLEAN
1501 **
1502 */
1503 static int test_extended_result_codes(
1504   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
1505   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
1506   int objc,              /* Number of arguments */
1507   Tcl_Obj *CONST objv[]  /* Command arguments */
1508 ){
1509   int enable;
1510   sqlite3 *db;
1511 
1512   if( objc!=3 ){
1513     Tcl_WrongNumArgs(interp, 1, objv, "DB BOOLEAN");
1514     return TCL_ERROR;
1515   }
1516   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
1517   if( Tcl_GetBooleanFromObj(interp, objv[2], &enable) ) return TCL_ERROR;
1518   sqlite3_extended_result_codes(db, enable);
1519   return TCL_OK;
1520 }
1521 
1522 /*
1523 ** Usage: sqlite3_libversion_number
1524 **
1525 */
1526 static int test_libversion_number(
1527   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
1528   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
1529   int objc,              /* Number of arguments */
1530   Tcl_Obj *CONST objv[]  /* Command arguments */
1531 ){
1532   Tcl_SetObjResult(interp, Tcl_NewIntObj(sqlite3_libversion_number()));
1533   return TCL_OK;
1534 }
1535 
1536 /*
1537 ** Usage: sqlite3_table_column_metadata DB dbname tblname colname
1538 **
1539 */
1540 #ifdef SQLITE_ENABLE_COLUMN_METADATA
1541 static int test_table_column_metadata(
1542   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
1543   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
1544   int objc,              /* Number of arguments */
1545   Tcl_Obj *CONST objv[]  /* Command arguments */
1546 ){
1547   sqlite3 *db;
1548   const char *zDb;
1549   const char *zTbl;
1550   const char *zCol;
1551   int rc;
1552   Tcl_Obj *pRet;
1553 
1554   const char *zDatatype;
1555   const char *zCollseq;
1556   int notnull;
1557   int primarykey;
1558   int autoincrement;
1559 
1560   if( objc!=5 ){
1561     Tcl_WrongNumArgs(interp, 1, objv, "DB dbname tblname colname");
1562     return TCL_ERROR;
1563   }
1564   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
1565   zDb = Tcl_GetString(objv[2]);
1566   zTbl = Tcl_GetString(objv[3]);
1567   zCol = Tcl_GetString(objv[4]);
1568 
1569   if( strlen(zDb)==0 ) zDb = 0;
1570 
1571   rc = sqlite3_table_column_metadata(db, zDb, zTbl, zCol,
1572       &zDatatype, &zCollseq, &notnull, &primarykey, &autoincrement);
1573 
1574   if( rc!=SQLITE_OK ){
1575     Tcl_AppendResult(interp, sqlite3_errmsg(db), 0);
1576     return TCL_ERROR;
1577   }
1578 
1579   pRet = Tcl_NewObj();
1580   Tcl_ListObjAppendElement(0, pRet, Tcl_NewStringObj(zDatatype, -1));
1581   Tcl_ListObjAppendElement(0, pRet, Tcl_NewStringObj(zCollseq, -1));
1582   Tcl_ListObjAppendElement(0, pRet, Tcl_NewIntObj(notnull));
1583   Tcl_ListObjAppendElement(0, pRet, Tcl_NewIntObj(primarykey));
1584   Tcl_ListObjAppendElement(0, pRet, Tcl_NewIntObj(autoincrement));
1585   Tcl_SetObjResult(interp, pRet);
1586 
1587   return TCL_OK;
1588 }
1589 #endif
1590 
1591 #ifndef SQLITE_OMIT_INCRBLOB
1592 
1593 /*
1594 ** sqlite3_blob_read  CHANNEL OFFSET N
1595 **
1596 **   This command is used to test the sqlite3_blob_read() in ways that
1597 **   the Tcl channel interface does not. The first argument should
1598 **   be the name of a valid channel created by the [incrblob] method
1599 **   of a database handle. This function calls sqlite3_blob_read()
1600 **   to read N bytes from offset OFFSET from the underlying SQLite
1601 **   blob handle.
1602 **
1603 **   On success, a byte-array object containing the read data is
1604 **   returned. On failure, the interpreter result is set to the
1605 **   text representation of the returned error code (i.e. "SQLITE_NOMEM")
1606 **   and a Tcl exception is thrown.
1607 */
1608 static int test_blob_read(
1609   ClientData clientData, /* Not used */
1610   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
1611   int objc,              /* Number of arguments */
1612   Tcl_Obj *CONST objv[]  /* Command arguments */
1613 ){
1614   Tcl_Channel channel;
1615   ClientData instanceData;
1616   sqlite3_blob *pBlob;
1617   int notUsed;
1618   int nByte;
1619   int iOffset;
1620   unsigned char *zBuf;
1621   int rc;
1622 
1623   if( objc!=4 ){
1624     Tcl_WrongNumArgs(interp, 1, objv, "CHANNEL OFFSET N");
1625     return TCL_ERROR;
1626   }
1627 
1628   channel = Tcl_GetChannel(interp, Tcl_GetString(objv[1]), &notUsed);
1629   if( !channel
1630    || TCL_OK!=Tcl_GetIntFromObj(interp, objv[2], &iOffset)
1631    || TCL_OK!=Tcl_GetIntFromObj(interp, objv[3], &nByte)
1632    || nByte<0 || iOffset<0
1633   ){
1634     return TCL_ERROR;
1635   }
1636 
1637   instanceData = Tcl_GetChannelInstanceData(channel);
1638   pBlob = *((sqlite3_blob **)instanceData);
1639 
1640   zBuf = (unsigned char *)Tcl_Alloc(nByte);
1641   rc = sqlite3_blob_read(pBlob, zBuf, nByte, iOffset);
1642   if( rc==SQLITE_OK ){
1643     Tcl_SetObjResult(interp, Tcl_NewByteArrayObj(zBuf, nByte));
1644   }else{
1645     Tcl_SetResult(interp, (char *)sqlite3TestErrorName(rc), TCL_VOLATILE);
1646   }
1647   Tcl_Free((char *)zBuf);
1648 
1649   return (rc==SQLITE_OK ? TCL_OK : TCL_ERROR);
1650 }
1651 
1652 /*
1653 ** sqlite3_blob_write CHANNEL OFFSET DATA ?NDATA?
1654 **
1655 **   This command is used to test the sqlite3_blob_write() in ways that
1656 **   the Tcl channel interface does not. The first argument should
1657 **   be the name of a valid channel created by the [incrblob] method
1658 **   of a database handle. This function calls sqlite3_blob_write()
1659 **   to write the DATA byte-array to the underlying SQLite blob handle.
1660 **   at offset OFFSET.
1661 **
1662 **   On success, an empty string is returned. On failure, the interpreter
1663 **   result is set to the text representation of the returned error code
1664 **   (i.e. "SQLITE_NOMEM") and a Tcl exception is thrown.
1665 */
1666 static int test_blob_write(
1667   ClientData clientData, /* Not used */
1668   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
1669   int objc,              /* Number of arguments */
1670   Tcl_Obj *CONST objv[]  /* Command arguments */
1671 ){
1672   Tcl_Channel channel;
1673   ClientData instanceData;
1674   sqlite3_blob *pBlob;
1675   int notUsed;
1676   int iOffset;
1677   int rc;
1678 
1679   unsigned char *zBuf;
1680   int nBuf;
1681 
1682   if( objc!=4 && objc!=5 ){
1683     Tcl_WrongNumArgs(interp, 1, objv, "CHANNEL OFFSET DATA ?NDATA?");
1684     return TCL_ERROR;
1685   }
1686 
1687   channel = Tcl_GetChannel(interp, Tcl_GetString(objv[1]), &notUsed);
1688   if( !channel || TCL_OK!=Tcl_GetIntFromObj(interp, objv[2], &iOffset) ){
1689     return TCL_ERROR;
1690   }
1691 
1692   instanceData = Tcl_GetChannelInstanceData(channel);
1693   pBlob = *((sqlite3_blob **)instanceData);
1694 
1695   zBuf = Tcl_GetByteArrayFromObj(objv[3], &nBuf);
1696   if( objc==5 && Tcl_GetIntFromObj(interp, objv[4], &nBuf) ){
1697     return TCL_ERROR;
1698   }
1699   rc = sqlite3_blob_write(pBlob, zBuf, nBuf, iOffset);
1700   if( rc!=SQLITE_OK ){
1701     Tcl_SetResult(interp, (char *)sqlite3TestErrorName(rc), TCL_VOLATILE);
1702   }
1703 
1704   return (rc==SQLITE_OK ? TCL_OK : TCL_ERROR);
1705 }
1706 #endif
1707 
1708 /*
1709 ** Usage: sqlite3_create_collation_v2 DB-HANDLE NAME CMP-PROC DEL-PROC
1710 **
1711 **   This Tcl proc is used for testing the experimental
1712 **   sqlite3_create_collation_v2() interface.
1713 */
1714 struct TestCollationX {
1715   Tcl_Interp *interp;
1716   Tcl_Obj *pCmp;
1717   Tcl_Obj *pDel;
1718 };
1719 typedef struct TestCollationX TestCollationX;
1720 static void testCreateCollationDel(void *pCtx){
1721   TestCollationX *p = (TestCollationX *)pCtx;
1722 
1723   int rc = Tcl_EvalObjEx(p->interp, p->pDel, TCL_EVAL_DIRECT|TCL_EVAL_GLOBAL);
1724   if( rc!=TCL_OK ){
1725     Tcl_BackgroundError(p->interp);
1726   }
1727 
1728   Tcl_DecrRefCount(p->pCmp);
1729   Tcl_DecrRefCount(p->pDel);
1730   sqlite3_free((void *)p);
1731 }
1732 static int testCreateCollationCmp(
1733   void *pCtx,
1734   int nLeft,
1735   const void *zLeft,
1736   int nRight,
1737   const void *zRight
1738 ){
1739   TestCollationX *p = (TestCollationX *)pCtx;
1740   Tcl_Obj *pScript = Tcl_DuplicateObj(p->pCmp);
1741   int iRes = 0;
1742 
1743   Tcl_IncrRefCount(pScript);
1744   Tcl_ListObjAppendElement(0, pScript, Tcl_NewStringObj((char *)zLeft, nLeft));
1745   Tcl_ListObjAppendElement(0, pScript, Tcl_NewStringObj((char *)zRight,nRight));
1746 
1747   if( TCL_OK!=Tcl_EvalObjEx(p->interp, pScript, TCL_EVAL_DIRECT|TCL_EVAL_GLOBAL)
1748    || TCL_OK!=Tcl_GetIntFromObj(p->interp, Tcl_GetObjResult(p->interp), &iRes)
1749   ){
1750     Tcl_BackgroundError(p->interp);
1751   }
1752   Tcl_DecrRefCount(pScript);
1753 
1754   return iRes;
1755 }
1756 static int test_create_collation_v2(
1757   ClientData clientData, /* Not used */
1758   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
1759   int objc,              /* Number of arguments */
1760   Tcl_Obj *CONST objv[]  /* Command arguments */
1761 ){
1762   TestCollationX *p;
1763   sqlite3 *db;
1764   int rc;
1765 
1766   if( objc!=5 ){
1767     Tcl_WrongNumArgs(interp, 1, objv, "DB-HANDLE NAME CMP-PROC DEL-PROC");
1768     return TCL_ERROR;
1769   }
1770   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
1771 
1772   p = (TestCollationX *)sqlite3_malloc(sizeof(TestCollationX));
1773   p->pCmp = objv[3];
1774   p->pDel = objv[4];
1775   p->interp = interp;
1776   Tcl_IncrRefCount(p->pCmp);
1777   Tcl_IncrRefCount(p->pDel);
1778 
1779   rc = sqlite3_create_collation_v2(db, Tcl_GetString(objv[2]), 16,
1780       (void *)p, testCreateCollationCmp, testCreateCollationDel
1781   );
1782   if( rc!=SQLITE_MISUSE ){
1783     Tcl_AppendResult(interp, "sqlite3_create_collate_v2() failed to detect "
1784       "an invalid encoding", (char*)0);
1785     return TCL_ERROR;
1786   }
1787   rc = sqlite3_create_collation_v2(db, Tcl_GetString(objv[2]), SQLITE_UTF8,
1788       (void *)p, testCreateCollationCmp, testCreateCollationDel
1789   );
1790   return TCL_OK;
1791 }
1792 
1793 /*
1794 ** USAGE: sqlite3_create_function_v2 DB NAME NARG ENC ?SWITCHES?
1795 **
1796 ** Available switches are:
1797 **
1798 **   -func    SCRIPT
1799 **   -step    SCRIPT
1800 **   -final   SCRIPT
1801 **   -destroy SCRIPT
1802 */
1803 typedef struct CreateFunctionV2 CreateFunctionV2;
1804 struct CreateFunctionV2 {
1805   Tcl_Interp *interp;
1806   Tcl_Obj *pFunc;                 /* Script for function invocation */
1807   Tcl_Obj *pStep;                 /* Script for agg. step invocation */
1808   Tcl_Obj *pFinal;                /* Script for agg. finalization invocation */
1809   Tcl_Obj *pDestroy;              /* Destructor script */
1810 };
1811 static void cf2Func(sqlite3_context *ctx, int nArg, sqlite3_value **aArg){
1812 }
1813 static void cf2Step(sqlite3_context *ctx, int nArg, sqlite3_value **aArg){
1814 }
1815 static void cf2Final(sqlite3_context *ctx){
1816 }
1817 static void cf2Destroy(void *pUser){
1818   CreateFunctionV2 *p = (CreateFunctionV2 *)pUser;
1819 
1820   if( p->interp && p->pDestroy ){
1821     int rc = Tcl_EvalObjEx(p->interp, p->pDestroy, 0);
1822     if( rc!=TCL_OK ) Tcl_BackgroundError(p->interp);
1823   }
1824 
1825   if( p->pFunc ) Tcl_DecrRefCount(p->pFunc);
1826   if( p->pStep ) Tcl_DecrRefCount(p->pStep);
1827   if( p->pFinal ) Tcl_DecrRefCount(p->pFinal);
1828   if( p->pDestroy ) Tcl_DecrRefCount(p->pDestroy);
1829   sqlite3_free(p);
1830 }
1831 static int test_create_function_v2(
1832   ClientData clientData,          /* Not used */
1833   Tcl_Interp *interp,             /* The invoking TCL interpreter */
1834   int objc,                       /* Number of arguments */
1835   Tcl_Obj *CONST objv[]           /* Command arguments */
1836 ){
1837   sqlite3 *db;
1838   const char *zFunc;
1839   int nArg;
1840   int enc;
1841   CreateFunctionV2 *p;
1842   int i;
1843   int rc;
1844 
1845   struct EncTable {
1846     const char *zEnc;
1847     int enc;
1848   } aEnc[] = {
1849     {"utf8",    SQLITE_UTF8 },
1850     {"utf16",   SQLITE_UTF16 },
1851     {"utf16le", SQLITE_UTF16LE },
1852     {"utf16be", SQLITE_UTF16BE },
1853     {"any",     SQLITE_ANY },
1854     {"0", 0 }
1855   };
1856 
1857   if( objc<5 || (objc%2)==0 ){
1858     Tcl_WrongNumArgs(interp, 1, objv, "DB NAME NARG ENC SWITCHES...");
1859     return TCL_ERROR;
1860   }
1861 
1862   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
1863   zFunc = Tcl_GetString(objv[2]);
1864   if( Tcl_GetIntFromObj(interp, objv[3], &nArg) ) return TCL_ERROR;
1865   if( Tcl_GetIndexFromObjStruct(interp, objv[4], aEnc, sizeof(aEnc[0]),
1866           "encoding", 0, &enc)
1867   ){
1868     return TCL_ERROR;
1869   }
1870   enc = aEnc[enc].enc;
1871 
1872   p = sqlite3_malloc(sizeof(CreateFunctionV2));
1873   assert( p );
1874   memset(p, 0, sizeof(CreateFunctionV2));
1875   p->interp = interp;
1876 
1877   for(i=5; i<objc; i+=2){
1878     int iSwitch;
1879     const char *azSwitch[] = {"-func", "-step", "-final", "-destroy", 0};
1880     if( Tcl_GetIndexFromObj(interp, objv[i], azSwitch, "switch", 0, &iSwitch) ){
1881       sqlite3_free(p);
1882       return TCL_ERROR;
1883     }
1884 
1885     switch( iSwitch ){
1886       case 0: p->pFunc = objv[i+1];      break;
1887       case 1: p->pStep = objv[i+1];      break;
1888       case 2: p->pFinal = objv[i+1];     break;
1889       case 3: p->pDestroy = objv[i+1];   break;
1890     }
1891   }
1892   if( p->pFunc ) p->pFunc = Tcl_DuplicateObj(p->pFunc);
1893   if( p->pStep ) p->pStep = Tcl_DuplicateObj(p->pStep);
1894   if( p->pFinal ) p->pFinal = Tcl_DuplicateObj(p->pFinal);
1895   if( p->pDestroy ) p->pDestroy = Tcl_DuplicateObj(p->pDestroy);
1896 
1897   if( p->pFunc ) Tcl_IncrRefCount(p->pFunc);
1898   if( p->pStep ) Tcl_IncrRefCount(p->pStep);
1899   if( p->pFinal ) Tcl_IncrRefCount(p->pFinal);
1900   if( p->pDestroy ) Tcl_IncrRefCount(p->pDestroy);
1901 
1902   rc = sqlite3_create_function_v2(db, zFunc, nArg, enc, (void *)p,
1903       (p->pFunc ? cf2Func : 0),
1904       (p->pStep ? cf2Step : 0),
1905       (p->pFinal ? cf2Final : 0),
1906       cf2Destroy
1907   );
1908   if( rc!=SQLITE_OK ){
1909     p->interp = 0;
1910     Tcl_ResetResult(interp);
1911     Tcl_AppendResult(interp, sqlite3TestErrorName(rc), 0);
1912     return TCL_ERROR;
1913   }
1914   return TCL_OK;
1915 }
1916 
1917 /*
1918 ** Usage: sqlite3_load_extension DB-HANDLE FILE ?PROC?
1919 */
1920 static int test_load_extension(
1921   ClientData clientData, /* Not used */
1922   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
1923   int objc,              /* Number of arguments */
1924   Tcl_Obj *CONST objv[]  /* Command arguments */
1925 ){
1926   Tcl_CmdInfo cmdInfo;
1927   sqlite3 *db;
1928   int rc;
1929   char *zDb;
1930   char *zFile;
1931   char *zProc = 0;
1932   char *zErr = 0;
1933 
1934   if( objc!=4 && objc!=3 ){
1935     Tcl_WrongNumArgs(interp, 1, objv, "DB-HANDLE FILE ?PROC?");
1936     return TCL_ERROR;
1937   }
1938   zDb = Tcl_GetString(objv[1]);
1939   zFile = Tcl_GetString(objv[2]);
1940   if( objc==4 ){
1941     zProc = Tcl_GetString(objv[3]);
1942   }
1943 
1944   /* Extract the C database handle from the Tcl command name */
1945   if( !Tcl_GetCommandInfo(interp, zDb, &cmdInfo) ){
1946     Tcl_AppendResult(interp, "command not found: ", zDb, (char*)0);
1947     return TCL_ERROR;
1948   }
1949   db = ((struct SqliteDb*)cmdInfo.objClientData)->db;
1950   assert(db);
1951 
1952   /* Call the underlying C function. If an error occurs, set rc to
1953   ** TCL_ERROR and load any error string into the interpreter. If no
1954   ** error occurs, set rc to TCL_OK.
1955   */
1956 #ifdef SQLITE_OMIT_LOAD_EXTENSION
1957   rc = SQLITE_ERROR;
1958   zErr = sqlite3_mprintf("this build omits sqlite3_load_extension()");
1959 #else
1960   rc = sqlite3_load_extension(db, zFile, zProc, &zErr);
1961 #endif
1962   if( rc!=SQLITE_OK ){
1963     Tcl_SetResult(interp, zErr ? zErr : "", TCL_VOLATILE);
1964     rc = TCL_ERROR;
1965   }else{
1966     rc = TCL_OK;
1967   }
1968   sqlite3_free(zErr);
1969 
1970   return rc;
1971 }
1972 
1973 /*
1974 ** Usage: sqlite3_enable_load_extension DB-HANDLE ONOFF
1975 */
1976 static int test_enable_load(
1977   ClientData clientData, /* Not used */
1978   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
1979   int objc,              /* Number of arguments */
1980   Tcl_Obj *CONST objv[]  /* Command arguments */
1981 ){
1982   Tcl_CmdInfo cmdInfo;
1983   sqlite3 *db;
1984   char *zDb;
1985   int onoff;
1986 
1987   if( objc!=3 ){
1988     Tcl_WrongNumArgs(interp, 1, objv, "DB-HANDLE ONOFF");
1989     return TCL_ERROR;
1990   }
1991   zDb = Tcl_GetString(objv[1]);
1992 
1993   /* Extract the C database handle from the Tcl command name */
1994   if( !Tcl_GetCommandInfo(interp, zDb, &cmdInfo) ){
1995     Tcl_AppendResult(interp, "command not found: ", zDb, (char*)0);
1996     return TCL_ERROR;
1997   }
1998   db = ((struct SqliteDb*)cmdInfo.objClientData)->db;
1999   assert(db);
2000 
2001   /* Get the onoff parameter */
2002   if( Tcl_GetBooleanFromObj(interp, objv[2], &onoff) ){
2003     return TCL_ERROR;
2004   }
2005 
2006 #ifdef SQLITE_OMIT_LOAD_EXTENSION
2007   Tcl_AppendResult(interp, "this build omits sqlite3_load_extension()");
2008   return TCL_ERROR;
2009 #else
2010   sqlite3_enable_load_extension(db, onoff);
2011   return TCL_OK;
2012 #endif
2013 }
2014 
2015 /*
2016 ** Usage:  sqlite_abort
2017 **
2018 ** Shutdown the process immediately.  This is not a clean shutdown.
2019 ** This command is used to test the recoverability of a database in
2020 ** the event of a program crash.
2021 */
2022 static int sqlite_abort(
2023   void *NotUsed,
2024   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
2025   int argc,              /* Number of arguments */
2026   char **argv            /* Text of each argument */
2027 ){
2028 #if defined(_MSC_VER)
2029   /* We do this, otherwise the test will halt with a popup message
2030    * that we have to click away before the test will continue.
2031    */
2032   _set_abort_behavior( 0, _CALL_REPORTFAULT );
2033 #endif
2034   exit(255);
2035   assert( interp==0 );   /* This will always fail */
2036   return TCL_OK;
2037 }
2038 
2039 /*
2040 ** The following routine is a user-defined SQL function whose purpose
2041 ** is to test the sqlite_set_result() API.
2042 */
2043 static void testFunc(sqlite3_context *context, int argc, sqlite3_value **argv){
2044   while( argc>=2 ){
2045     const char *zArg0 = (char*)sqlite3_value_text(argv[0]);
2046     if( zArg0 ){
2047       if( 0==sqlite3StrICmp(zArg0, "int") ){
2048         sqlite3_result_int(context, sqlite3_value_int(argv[1]));
2049       }else if( sqlite3StrICmp(zArg0,"int64")==0 ){
2050         sqlite3_result_int64(context, sqlite3_value_int64(argv[1]));
2051       }else if( sqlite3StrICmp(zArg0,"string")==0 ){
2052         sqlite3_result_text(context, (char*)sqlite3_value_text(argv[1]), -1,
2053             SQLITE_TRANSIENT);
2054       }else if( sqlite3StrICmp(zArg0,"double")==0 ){
2055         sqlite3_result_double(context, sqlite3_value_double(argv[1]));
2056       }else if( sqlite3StrICmp(zArg0,"null")==0 ){
2057         sqlite3_result_null(context);
2058       }else if( sqlite3StrICmp(zArg0,"value")==0 ){
2059         sqlite3_result_value(context, argv[sqlite3_value_int(argv[1])]);
2060       }else{
2061         goto error_out;
2062       }
2063     }else{
2064       goto error_out;
2065     }
2066     argc -= 2;
2067     argv += 2;
2068   }
2069   return;
2070 
2071 error_out:
2072   sqlite3_result_error(context,"first argument should be one of: "
2073       "int int64 string double null value", -1);
2074 }
2075 
2076 /*
2077 ** Usage:   sqlite_register_test_function  DB  NAME
2078 **
2079 ** Register the test SQL function on the database DB under the name NAME.
2080 */
2081 static int test_register_func(
2082   void *NotUsed,
2083   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
2084   int argc,              /* Number of arguments */
2085   char **argv            /* Text of each argument */
2086 ){
2087   sqlite3 *db;
2088   int rc;
2089   if( argc!=3 ){
2090     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
2091        " DB FUNCTION-NAME", 0);
2092     return TCL_ERROR;
2093   }
2094   if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
2095   rc = sqlite3_create_function(db, argv[2], -1, SQLITE_UTF8, 0,
2096       testFunc, 0, 0);
2097   if( rc!=0 ){
2098     Tcl_AppendResult(interp, sqlite3ErrStr(rc), 0);
2099     return TCL_ERROR;
2100   }
2101   if( sqlite3TestErrCode(interp, db, rc) ) return TCL_ERROR;
2102   return TCL_OK;
2103 }
2104 
2105 /*
2106 ** Usage:  sqlite3_finalize  STMT
2107 **
2108 ** Finalize a statement handle.
2109 */
2110 static int test_finalize(
2111   void * clientData,
2112   Tcl_Interp *interp,
2113   int objc,
2114   Tcl_Obj *CONST objv[]
2115 ){
2116   sqlite3_stmt *pStmt;
2117   int rc;
2118   sqlite3 *db = 0;
2119 
2120   if( objc!=2 ){
2121     Tcl_AppendResult(interp, "wrong # args: should be \"",
2122         Tcl_GetStringFromObj(objv[0], 0), " <STMT>", 0);
2123     return TCL_ERROR;
2124   }
2125 
2126   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
2127 
2128   if( pStmt ){
2129     db = StmtToDb(pStmt);
2130   }
2131   rc = sqlite3_finalize(pStmt);
2132   Tcl_SetResult(interp, (char *)t1ErrorName(rc), TCL_STATIC);
2133   if( db && sqlite3TestErrCode(interp, db, rc) ) return TCL_ERROR;
2134   return TCL_OK;
2135 }
2136 
2137 /*
2138 ** Usage:  sqlite3_stmt_status  STMT  CODE  RESETFLAG
2139 **
2140 ** Get the value of a status counter from a statement.
2141 */
2142 static int test_stmt_status(
2143   void * clientData,
2144   Tcl_Interp *interp,
2145   int objc,
2146   Tcl_Obj *CONST objv[]
2147 ){
2148   int iValue;
2149   int i, op, resetFlag;
2150   const char *zOpName;
2151   sqlite3_stmt *pStmt;
2152 
2153   static const struct {
2154     const char *zName;
2155     int op;
2156   } aOp[] = {
2157     { "SQLITE_STMTSTATUS_FULLSCAN_STEP",   SQLITE_STMTSTATUS_FULLSCAN_STEP   },
2158     { "SQLITE_STMTSTATUS_SORT",            SQLITE_STMTSTATUS_SORT            },
2159     { "SQLITE_STMTSTATUS_AUTOINDEX",       SQLITE_STMTSTATUS_AUTOINDEX       },
2160   };
2161   if( objc!=4 ){
2162     Tcl_WrongNumArgs(interp, 1, objv, "STMT PARAMETER RESETFLAG");
2163     return TCL_ERROR;
2164   }
2165   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
2166   zOpName = Tcl_GetString(objv[2]);
2167   for(i=0; i<ArraySize(aOp); i++){
2168     if( strcmp(aOp[i].zName, zOpName)==0 ){
2169       op = aOp[i].op;
2170       break;
2171     }
2172   }
2173   if( i>=ArraySize(aOp) ){
2174     if( Tcl_GetIntFromObj(interp, objv[2], &op) ) return TCL_ERROR;
2175   }
2176   if( Tcl_GetBooleanFromObj(interp, objv[3], &resetFlag) ) return TCL_ERROR;
2177   iValue = sqlite3_stmt_status(pStmt, op, resetFlag);
2178   Tcl_SetObjResult(interp, Tcl_NewIntObj(iValue));
2179   return TCL_OK;
2180 }
2181 
2182 /*
2183 ** Usage:  sqlite3_next_stmt  DB  STMT
2184 **
2185 ** Return the next statment in sequence after STMT.
2186 */
2187 static int test_next_stmt(
2188   void * clientData,
2189   Tcl_Interp *interp,
2190   int objc,
2191   Tcl_Obj *CONST objv[]
2192 ){
2193   sqlite3_stmt *pStmt;
2194   sqlite3 *db = 0;
2195   char zBuf[50];
2196 
2197   if( objc!=3 ){
2198     Tcl_AppendResult(interp, "wrong # args: should be \"",
2199         Tcl_GetStringFromObj(objv[0], 0), " DB STMT", 0);
2200     return TCL_ERROR;
2201   }
2202 
2203   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
2204   if( getStmtPointer(interp, Tcl_GetString(objv[2]), &pStmt) ) return TCL_ERROR;
2205   pStmt = sqlite3_next_stmt(db, pStmt);
2206   if( pStmt ){
2207     if( sqlite3TestMakePointerStr(interp, zBuf, pStmt) ) return TCL_ERROR;
2208     Tcl_AppendResult(interp, zBuf, 0);
2209   }
2210   return TCL_OK;
2211 }
2212 
2213 
2214 /*
2215 ** Usage:  sqlite3_reset  STMT
2216 **
2217 ** Reset a statement handle.
2218 */
2219 static int test_reset(
2220   void * clientData,
2221   Tcl_Interp *interp,
2222   int objc,
2223   Tcl_Obj *CONST objv[]
2224 ){
2225   sqlite3_stmt *pStmt;
2226   int rc;
2227 
2228   if( objc!=2 ){
2229     Tcl_AppendResult(interp, "wrong # args: should be \"",
2230         Tcl_GetStringFromObj(objv[0], 0), " <STMT>", 0);
2231     return TCL_ERROR;
2232   }
2233 
2234   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
2235 
2236   rc = sqlite3_reset(pStmt);
2237   if( pStmt && sqlite3TestErrCode(interp, StmtToDb(pStmt), rc) ){
2238     return TCL_ERROR;
2239   }
2240   Tcl_SetResult(interp, (char *)t1ErrorName(rc), TCL_STATIC);
2241 /*
2242   if( rc ){
2243     return TCL_ERROR;
2244   }
2245 */
2246   return TCL_OK;
2247 }
2248 
2249 /*
2250 ** Usage:  sqlite3_expired STMT
2251 **
2252 ** Return TRUE if a recompilation of the statement is recommended.
2253 */
2254 static int test_expired(
2255   void * clientData,
2256   Tcl_Interp *interp,
2257   int objc,
2258   Tcl_Obj *CONST objv[]
2259 ){
2260 #ifndef SQLITE_OMIT_DEPRECATED
2261   sqlite3_stmt *pStmt;
2262   if( objc!=2 ){
2263     Tcl_AppendResult(interp, "wrong # args: should be \"",
2264         Tcl_GetStringFromObj(objv[0], 0), " <STMT>", 0);
2265     return TCL_ERROR;
2266   }
2267   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
2268   Tcl_SetObjResult(interp, Tcl_NewBooleanObj(sqlite3_expired(pStmt)));
2269 #endif
2270   return TCL_OK;
2271 }
2272 
2273 /*
2274 ** Usage:  sqlite3_transfer_bindings FROMSTMT TOSTMT
2275 **
2276 ** Transfer all bindings from FROMSTMT over to TOSTMT
2277 */
2278 static int test_transfer_bind(
2279   void * clientData,
2280   Tcl_Interp *interp,
2281   int objc,
2282   Tcl_Obj *CONST objv[]
2283 ){
2284 #ifndef SQLITE_OMIT_DEPRECATED
2285   sqlite3_stmt *pStmt1, *pStmt2;
2286   if( objc!=3 ){
2287     Tcl_AppendResult(interp, "wrong # args: should be \"",
2288         Tcl_GetStringFromObj(objv[0], 0), " FROM-STMT TO-STMT", 0);
2289     return TCL_ERROR;
2290   }
2291   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt1)) return TCL_ERROR;
2292   if( getStmtPointer(interp, Tcl_GetString(objv[2]), &pStmt2)) return TCL_ERROR;
2293   Tcl_SetObjResult(interp,
2294      Tcl_NewIntObj(sqlite3_transfer_bindings(pStmt1,pStmt2)));
2295 #endif
2296   return TCL_OK;
2297 }
2298 
2299 /*
2300 ** Usage:  sqlite3_changes DB
2301 **
2302 ** Return the number of changes made to the database by the last SQL
2303 ** execution.
2304 */
2305 static int test_changes(
2306   void * clientData,
2307   Tcl_Interp *interp,
2308   int objc,
2309   Tcl_Obj *CONST objv[]
2310 ){
2311   sqlite3 *db;
2312   if( objc!=2 ){
2313     Tcl_AppendResult(interp, "wrong # args: should be \"",
2314        Tcl_GetString(objv[0]), " DB", 0);
2315     return TCL_ERROR;
2316   }
2317   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
2318   Tcl_SetObjResult(interp, Tcl_NewIntObj(sqlite3_changes(db)));
2319   return TCL_OK;
2320 }
2321 
2322 /*
2323 ** This is the "static_bind_value" that variables are bound to when
2324 ** the FLAG option of sqlite3_bind is "static"
2325 */
2326 static char *sqlite_static_bind_value = 0;
2327 static int sqlite_static_bind_nbyte = 0;
2328 
2329 /*
2330 ** Usage:  sqlite3_bind  VM  IDX  VALUE  FLAGS
2331 **
2332 ** Sets the value of the IDX-th occurance of "?" in the original SQL
2333 ** string.  VALUE is the new value.  If FLAGS=="null" then VALUE is
2334 ** ignored and the value is set to NULL.  If FLAGS=="static" then
2335 ** the value is set to the value of a static variable named
2336 ** "sqlite_static_bind_value".  If FLAGS=="normal" then a copy
2337 ** of the VALUE is made.  If FLAGS=="blob10" then a VALUE is ignored
2338 ** an a 10-byte blob "abc\000xyz\000pq" is inserted.
2339 */
2340 static int test_bind(
2341   void *NotUsed,
2342   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
2343   int argc,              /* Number of arguments */
2344   char **argv            /* Text of each argument */
2345 ){
2346   sqlite3_stmt *pStmt;
2347   int rc;
2348   int idx;
2349   if( argc!=5 ){
2350     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
2351        " VM IDX VALUE (null|static|normal)\"", 0);
2352     return TCL_ERROR;
2353   }
2354   if( getStmtPointer(interp, argv[1], &pStmt) ) return TCL_ERROR;
2355   if( Tcl_GetInt(interp, argv[2], &idx) ) return TCL_ERROR;
2356   if( strcmp(argv[4],"null")==0 ){
2357     rc = sqlite3_bind_null(pStmt, idx);
2358   }else if( strcmp(argv[4],"static")==0 ){
2359     rc = sqlite3_bind_text(pStmt, idx, sqlite_static_bind_value, -1, 0);
2360   }else if( strcmp(argv[4],"static-nbytes")==0 ){
2361     rc = sqlite3_bind_text(pStmt, idx, sqlite_static_bind_value,
2362                                        sqlite_static_bind_nbyte, 0);
2363   }else if( strcmp(argv[4],"normal")==0 ){
2364     rc = sqlite3_bind_text(pStmt, idx, argv[3], -1, SQLITE_TRANSIENT);
2365   }else if( strcmp(argv[4],"blob10")==0 ){
2366     rc = sqlite3_bind_text(pStmt, idx, "abc\000xyz\000pq", 10, SQLITE_STATIC);
2367   }else{
2368     Tcl_AppendResult(interp, "4th argument should be "
2369         "\"null\" or \"static\" or \"normal\"", 0);
2370     return TCL_ERROR;
2371   }
2372   if( sqlite3TestErrCode(interp, StmtToDb(pStmt), rc) ) return TCL_ERROR;
2373   if( rc ){
2374     char zBuf[50];
2375     sprintf(zBuf, "(%d) ", rc);
2376     Tcl_AppendResult(interp, zBuf, sqlite3ErrStr(rc), 0);
2377     return TCL_ERROR;
2378   }
2379   return TCL_OK;
2380 }
2381 
2382 #ifndef SQLITE_OMIT_UTF16
2383 /*
2384 ** Usage: add_test_collate <db ptr> <utf8> <utf16le> <utf16be>
2385 **
2386 ** This function is used to test that SQLite selects the correct collation
2387 ** sequence callback when multiple versions (for different text encodings)
2388 ** are available.
2389 **
2390 ** Calling this routine registers the collation sequence "test_collate"
2391 ** with database handle <db>. The second argument must be a list of three
2392 ** boolean values. If the first is true, then a version of test_collate is
2393 ** registered for UTF-8, if the second is true, a version is registered for
2394 ** UTF-16le, if the third is true, a UTF-16be version is available.
2395 ** Previous versions of test_collate are deleted.
2396 **
2397 ** The collation sequence test_collate is implemented by calling the
2398 ** following TCL script:
2399 **
2400 **   "test_collate <enc> <lhs> <rhs>"
2401 **
2402 ** The <lhs> and <rhs> are the two values being compared, encoded in UTF-8.
2403 ** The <enc> parameter is the encoding of the collation function that
2404 ** SQLite selected to call. The TCL test script implements the
2405 ** "test_collate" proc.
2406 **
2407 ** Note that this will only work with one intepreter at a time, as the
2408 ** interp pointer to use when evaluating the TCL script is stored in
2409 ** pTestCollateInterp.
2410 */
2411 static Tcl_Interp* pTestCollateInterp;
2412 static int test_collate_func(
2413   void *pCtx,
2414   int nA, const void *zA,
2415   int nB, const void *zB
2416 ){
2417   Tcl_Interp *i = pTestCollateInterp;
2418   int encin = SQLITE_PTR_TO_INT(pCtx);
2419   int res;
2420   int n;
2421 
2422   sqlite3_value *pVal;
2423   Tcl_Obj *pX;
2424 
2425   pX = Tcl_NewStringObj("test_collate", -1);
2426   Tcl_IncrRefCount(pX);
2427 
2428   switch( encin ){
2429     case SQLITE_UTF8:
2430       Tcl_ListObjAppendElement(i,pX,Tcl_NewStringObj("UTF-8",-1));
2431       break;
2432     case SQLITE_UTF16LE:
2433       Tcl_ListObjAppendElement(i,pX,Tcl_NewStringObj("UTF-16LE",-1));
2434       break;
2435     case SQLITE_UTF16BE:
2436       Tcl_ListObjAppendElement(i,pX,Tcl_NewStringObj("UTF-16BE",-1));
2437       break;
2438     default:
2439       assert(0);
2440   }
2441 
2442   sqlite3BeginBenignMalloc();
2443   pVal = sqlite3ValueNew(0);
2444   if( pVal ){
2445     sqlite3ValueSetStr(pVal, nA, zA, encin, SQLITE_STATIC);
2446     n = sqlite3_value_bytes(pVal);
2447     Tcl_ListObjAppendElement(i,pX,
2448         Tcl_NewStringObj((char*)sqlite3_value_text(pVal),n));
2449     sqlite3ValueSetStr(pVal, nB, zB, encin, SQLITE_STATIC);
2450     n = sqlite3_value_bytes(pVal);
2451     Tcl_ListObjAppendElement(i,pX,
2452         Tcl_NewStringObj((char*)sqlite3_value_text(pVal),n));
2453     sqlite3ValueFree(pVal);
2454   }
2455   sqlite3EndBenignMalloc();
2456 
2457   Tcl_EvalObjEx(i, pX, 0);
2458   Tcl_DecrRefCount(pX);
2459   Tcl_GetIntFromObj(i, Tcl_GetObjResult(i), &res);
2460   return res;
2461 }
2462 static int test_collate(
2463   void * clientData,
2464   Tcl_Interp *interp,
2465   int objc,
2466   Tcl_Obj *CONST objv[]
2467 ){
2468   sqlite3 *db;
2469   int val;
2470   sqlite3_value *pVal;
2471   int rc;
2472 
2473   if( objc!=5 ) goto bad_args;
2474   pTestCollateInterp = interp;
2475   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
2476 
2477   if( TCL_OK!=Tcl_GetBooleanFromObj(interp, objv[2], &val) ) return TCL_ERROR;
2478   rc = sqlite3_create_collation(db, "test_collate", SQLITE_UTF8,
2479           (void *)SQLITE_UTF8, val?test_collate_func:0);
2480   if( rc==SQLITE_OK ){
2481     const void *zUtf16;
2482     if( TCL_OK!=Tcl_GetBooleanFromObj(interp, objv[3], &val) ) return TCL_ERROR;
2483     rc = sqlite3_create_collation(db, "test_collate", SQLITE_UTF16LE,
2484             (void *)SQLITE_UTF16LE, val?test_collate_func:0);
2485     if( TCL_OK!=Tcl_GetBooleanFromObj(interp, objv[4], &val) ) return TCL_ERROR;
2486 
2487 #if 0
2488     if( sqlite3_iMallocFail>0 ){
2489       sqlite3_iMallocFail++;
2490     }
2491 #endif
2492     sqlite3_mutex_enter(db->mutex);
2493     pVal = sqlite3ValueNew(db);
2494     sqlite3ValueSetStr(pVal, -1, "test_collate", SQLITE_UTF8, SQLITE_STATIC);
2495     zUtf16 = sqlite3ValueText(pVal, SQLITE_UTF16NATIVE);
2496     if( db->mallocFailed ){
2497       rc = SQLITE_NOMEM;
2498     }else{
2499       rc = sqlite3_create_collation16(db, zUtf16, SQLITE_UTF16BE,
2500           (void *)SQLITE_UTF16BE, val?test_collate_func:0);
2501     }
2502     sqlite3ValueFree(pVal);
2503     sqlite3_mutex_leave(db->mutex);
2504   }
2505   if( sqlite3TestErrCode(interp, db, rc) ) return TCL_ERROR;
2506 
2507   if( rc!=SQLITE_OK ){
2508     Tcl_AppendResult(interp, sqlite3TestErrorName(rc), 0);
2509     return TCL_ERROR;
2510   }
2511   return TCL_OK;
2512 
2513 bad_args:
2514   Tcl_AppendResult(interp, "wrong # args: should be \"",
2515       Tcl_GetStringFromObj(objv[0], 0), " <DB> <utf8> <utf16le> <utf16be>", 0);
2516   return TCL_ERROR;
2517 }
2518 
2519 /*
2520 ** When the collation needed callback is invoked, record the name of
2521 ** the requested collating function here.  The recorded name is linked
2522 ** to a TCL variable and used to make sure that the requested collation
2523 ** name is correct.
2524 */
2525 static char zNeededCollation[200];
2526 static char *pzNeededCollation = zNeededCollation;
2527 
2528 
2529 /*
2530 ** Called when a collating sequence is needed.  Registered using
2531 ** sqlite3_collation_needed16().
2532 */
2533 static void test_collate_needed_cb(
2534   void *pCtx,
2535   sqlite3 *db,
2536   int eTextRep,
2537   const void *pName
2538 ){
2539   int enc = ENC(db);
2540   int i;
2541   char *z;
2542   for(z = (char*)pName, i=0; *z || z[1]; z++){
2543     if( *z ) zNeededCollation[i++] = *z;
2544   }
2545   zNeededCollation[i] = 0;
2546   sqlite3_create_collation(
2547       db, "test_collate", ENC(db), SQLITE_INT_TO_PTR(enc), test_collate_func);
2548 }
2549 
2550 /*
2551 ** Usage: add_test_collate_needed DB
2552 */
2553 static int test_collate_needed(
2554   void * clientData,
2555   Tcl_Interp *interp,
2556   int objc,
2557   Tcl_Obj *CONST objv[]
2558 ){
2559   sqlite3 *db;
2560   int rc;
2561 
2562   if( objc!=2 ) goto bad_args;
2563   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
2564   rc = sqlite3_collation_needed16(db, 0, test_collate_needed_cb);
2565   zNeededCollation[0] = 0;
2566   if( sqlite3TestErrCode(interp, db, rc) ) return TCL_ERROR;
2567   return TCL_OK;
2568 
2569 bad_args:
2570   Tcl_WrongNumArgs(interp, 1, objv, "DB");
2571   return TCL_ERROR;
2572 }
2573 
2574 /*
2575 ** tclcmd:   add_alignment_test_collations  DB
2576 **
2577 ** Add two new collating sequences to the database DB
2578 **
2579 **     utf16_aligned
2580 **     utf16_unaligned
2581 **
2582 ** Both collating sequences use the same sort order as BINARY.
2583 ** The only difference is that the utf16_aligned collating
2584 ** sequence is declared with the SQLITE_UTF16_ALIGNED flag.
2585 ** Both collating functions increment the unaligned utf16 counter
2586 ** whenever they see a string that begins on an odd byte boundary.
2587 */
2588 static int unaligned_string_counter = 0;
2589 static int alignmentCollFunc(
2590   void *NotUsed,
2591   int nKey1, const void *pKey1,
2592   int nKey2, const void *pKey2
2593 ){
2594   int rc, n;
2595   n = nKey1<nKey2 ? nKey1 : nKey2;
2596   if( nKey1>0 && 1==(1&(SQLITE_PTR_TO_INT(pKey1))) ) unaligned_string_counter++;
2597   if( nKey2>0 && 1==(1&(SQLITE_PTR_TO_INT(pKey2))) ) unaligned_string_counter++;
2598   rc = memcmp(pKey1, pKey2, n);
2599   if( rc==0 ){
2600     rc = nKey1 - nKey2;
2601   }
2602   return rc;
2603 }
2604 static int add_alignment_test_collations(
2605   void * clientData,
2606   Tcl_Interp *interp,
2607   int objc,
2608   Tcl_Obj *CONST objv[]
2609 ){
2610   sqlite3 *db;
2611   if( objc>=2 ){
2612     if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
2613     sqlite3_create_collation(db, "utf16_unaligned", SQLITE_UTF16,
2614         0, alignmentCollFunc);
2615     sqlite3_create_collation(db, "utf16_aligned", SQLITE_UTF16_ALIGNED,
2616         0, alignmentCollFunc);
2617   }
2618   return SQLITE_OK;
2619 }
2620 #endif /* !defined(SQLITE_OMIT_UTF16) */
2621 
2622 /*
2623 ** Usage: add_test_function <db ptr> <utf8> <utf16le> <utf16be>
2624 **
2625 ** This function is used to test that SQLite selects the correct user
2626 ** function callback when multiple versions (for different text encodings)
2627 ** are available.
2628 **
2629 ** Calling this routine registers up to three versions of the user function
2630 ** "test_function" with database handle <db>.  If the second argument is
2631 ** true, then a version of test_function is registered for UTF-8, if the
2632 ** third is true, a version is registered for UTF-16le, if the fourth is
2633 ** true, a UTF-16be version is available.  Previous versions of
2634 ** test_function are deleted.
2635 **
2636 ** The user function is implemented by calling the following TCL script:
2637 **
2638 **   "test_function <enc> <arg>"
2639 **
2640 ** Where <enc> is one of UTF-8, UTF-16LE or UTF16BE, and <arg> is the
2641 ** single argument passed to the SQL function. The value returned by
2642 ** the TCL script is used as the return value of the SQL function. It
2643 ** is passed to SQLite using UTF-16BE for a UTF-8 test_function(), UTF-8
2644 ** for a UTF-16LE test_function(), and UTF-16LE for an implementation that
2645 ** prefers UTF-16BE.
2646 */
2647 #ifndef SQLITE_OMIT_UTF16
2648 static void test_function_utf8(
2649   sqlite3_context *pCtx,
2650   int nArg,
2651   sqlite3_value **argv
2652 ){
2653   Tcl_Interp *interp;
2654   Tcl_Obj *pX;
2655   sqlite3_value *pVal;
2656   interp = (Tcl_Interp *)sqlite3_user_data(pCtx);
2657   pX = Tcl_NewStringObj("test_function", -1);
2658   Tcl_IncrRefCount(pX);
2659   Tcl_ListObjAppendElement(interp, pX, Tcl_NewStringObj("UTF-8", -1));
2660   Tcl_ListObjAppendElement(interp, pX,
2661       Tcl_NewStringObj((char*)sqlite3_value_text(argv[0]), -1));
2662   Tcl_EvalObjEx(interp, pX, 0);
2663   Tcl_DecrRefCount(pX);
2664   sqlite3_result_text(pCtx, Tcl_GetStringResult(interp), -1, SQLITE_TRANSIENT);
2665   pVal = sqlite3ValueNew(0);
2666   sqlite3ValueSetStr(pVal, -1, Tcl_GetStringResult(interp),
2667       SQLITE_UTF8, SQLITE_STATIC);
2668   sqlite3_result_text16be(pCtx, sqlite3_value_text16be(pVal),
2669       -1, SQLITE_TRANSIENT);
2670   sqlite3ValueFree(pVal);
2671 }
2672 static void test_function_utf16le(
2673   sqlite3_context *pCtx,
2674   int nArg,
2675   sqlite3_value **argv
2676 ){
2677   Tcl_Interp *interp;
2678   Tcl_Obj *pX;
2679   sqlite3_value *pVal;
2680   interp = (Tcl_Interp *)sqlite3_user_data(pCtx);
2681   pX = Tcl_NewStringObj("test_function", -1);
2682   Tcl_IncrRefCount(pX);
2683   Tcl_ListObjAppendElement(interp, pX, Tcl_NewStringObj("UTF-16LE", -1));
2684   Tcl_ListObjAppendElement(interp, pX,
2685       Tcl_NewStringObj((char*)sqlite3_value_text(argv[0]), -1));
2686   Tcl_EvalObjEx(interp, pX, 0);
2687   Tcl_DecrRefCount(pX);
2688   pVal = sqlite3ValueNew(0);
2689   sqlite3ValueSetStr(pVal, -1, Tcl_GetStringResult(interp),
2690       SQLITE_UTF8, SQLITE_STATIC);
2691   sqlite3_result_text(pCtx,(char*)sqlite3_value_text(pVal),-1,SQLITE_TRANSIENT);
2692   sqlite3ValueFree(pVal);
2693 }
2694 static void test_function_utf16be(
2695   sqlite3_context *pCtx,
2696   int nArg,
2697   sqlite3_value **argv
2698 ){
2699   Tcl_Interp *interp;
2700   Tcl_Obj *pX;
2701   sqlite3_value *pVal;
2702   interp = (Tcl_Interp *)sqlite3_user_data(pCtx);
2703   pX = Tcl_NewStringObj("test_function", -1);
2704   Tcl_IncrRefCount(pX);
2705   Tcl_ListObjAppendElement(interp, pX, Tcl_NewStringObj("UTF-16BE", -1));
2706   Tcl_ListObjAppendElement(interp, pX,
2707       Tcl_NewStringObj((char*)sqlite3_value_text(argv[0]), -1));
2708   Tcl_EvalObjEx(interp, pX, 0);
2709   Tcl_DecrRefCount(pX);
2710   pVal = sqlite3ValueNew(0);
2711   sqlite3ValueSetStr(pVal, -1, Tcl_GetStringResult(interp),
2712       SQLITE_UTF8, SQLITE_STATIC);
2713   sqlite3_result_text16(pCtx, sqlite3_value_text16le(pVal),
2714       -1, SQLITE_TRANSIENT);
2715   sqlite3_result_text16be(pCtx, sqlite3_value_text16le(pVal),
2716       -1, SQLITE_TRANSIENT);
2717   sqlite3_result_text16le(pCtx, sqlite3_value_text16le(pVal),
2718       -1, SQLITE_TRANSIENT);
2719   sqlite3ValueFree(pVal);
2720 }
2721 #endif /* SQLITE_OMIT_UTF16 */
2722 static int test_function(
2723   void * clientData,
2724   Tcl_Interp *interp,
2725   int objc,
2726   Tcl_Obj *CONST objv[]
2727 ){
2728 #ifndef SQLITE_OMIT_UTF16
2729   sqlite3 *db;
2730   int val;
2731 
2732   if( objc!=5 ) goto bad_args;
2733   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
2734 
2735   if( TCL_OK!=Tcl_GetBooleanFromObj(interp, objv[2], &val) ) return TCL_ERROR;
2736   if( val ){
2737     sqlite3_create_function(db, "test_function", 1, SQLITE_UTF8,
2738         interp, test_function_utf8, 0, 0);
2739   }
2740   if( TCL_OK!=Tcl_GetBooleanFromObj(interp, objv[3], &val) ) return TCL_ERROR;
2741   if( val ){
2742     sqlite3_create_function(db, "test_function", 1, SQLITE_UTF16LE,
2743         interp, test_function_utf16le, 0, 0);
2744   }
2745   if( TCL_OK!=Tcl_GetBooleanFromObj(interp, objv[4], &val) ) return TCL_ERROR;
2746   if( val ){
2747     sqlite3_create_function(db, "test_function", 1, SQLITE_UTF16BE,
2748         interp, test_function_utf16be, 0, 0);
2749   }
2750 
2751   return TCL_OK;
2752 bad_args:
2753   Tcl_AppendResult(interp, "wrong # args: should be \"",
2754       Tcl_GetStringFromObj(objv[0], 0), " <DB> <utf8> <utf16le> <utf16be>", 0);
2755 #endif /* SQLITE_OMIT_UTF16 */
2756   return TCL_ERROR;
2757 }
2758 
2759 /*
2760 ** Usage:         sqlite3_test_errstr <err code>
2761 **
2762 ** Test that the english language string equivalents for sqlite error codes
2763 ** are sane. The parameter is an integer representing an sqlite error code.
2764 ** The result is a list of two elements, the string representation of the
2765 ** error code and the english language explanation.
2766 */
2767 static int test_errstr(
2768   void * clientData,
2769   Tcl_Interp *interp,
2770   int objc,
2771   Tcl_Obj *CONST objv[]
2772 ){
2773   char *zCode;
2774   int i;
2775   if( objc!=1 ){
2776     Tcl_WrongNumArgs(interp, 1, objv, "<error code>");
2777   }
2778 
2779   zCode = Tcl_GetString(objv[1]);
2780   for(i=0; i<200; i++){
2781     if( 0==strcmp(t1ErrorName(i), zCode) ) break;
2782   }
2783   Tcl_SetResult(interp, (char *)sqlite3ErrStr(i), 0);
2784   return TCL_OK;
2785 }
2786 
2787 /*
2788 ** Usage:    breakpoint
2789 **
2790 ** This routine exists for one purpose - to provide a place to put a
2791 ** breakpoint with GDB that can be triggered using TCL code.  The use
2792 ** for this is when a particular test fails on (say) the 1485th iteration.
2793 ** In the TCL test script, we can add code like this:
2794 **
2795 **     if {$i==1485} breakpoint
2796 **
2797 ** Then run testfixture in the debugger and wait for the breakpoint to
2798 ** fire.  Then additional breakpoints can be set to trace down the bug.
2799 */
2800 static int test_breakpoint(
2801   void *NotUsed,
2802   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
2803   int argc,              /* Number of arguments */
2804   char **argv            /* Text of each argument */
2805 ){
2806   return TCL_OK;         /* Do nothing */
2807 }
2808 
2809 /*
2810 ** Usage:   sqlite3_bind_zeroblob  STMT IDX N
2811 **
2812 ** Test the sqlite3_bind_zeroblob interface.  STMT is a prepared statement.
2813 ** IDX is the index of a wildcard in the prepared statement.  This command
2814 ** binds a N-byte zero-filled BLOB to the wildcard.
2815 */
2816 static int test_bind_zeroblob(
2817   void * clientData,
2818   Tcl_Interp *interp,
2819   int objc,
2820   Tcl_Obj *CONST objv[]
2821 ){
2822   sqlite3_stmt *pStmt;
2823   int idx;
2824   int n;
2825   int rc;
2826 
2827   if( objc!=4 ){
2828     Tcl_WrongNumArgs(interp, 1, objv, "STMT IDX N");
2829     return TCL_ERROR;
2830   }
2831 
2832   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
2833   if( Tcl_GetIntFromObj(interp, objv[2], &idx) ) return TCL_ERROR;
2834   if( Tcl_GetIntFromObj(interp, objv[3], &n) ) return TCL_ERROR;
2835 
2836   rc = sqlite3_bind_zeroblob(pStmt, idx, n);
2837   if( sqlite3TestErrCode(interp, StmtToDb(pStmt), rc) ) return TCL_ERROR;
2838   if( rc!=SQLITE_OK ){
2839     return TCL_ERROR;
2840   }
2841 
2842   return TCL_OK;
2843 }
2844 
2845 /*
2846 ** Usage:   sqlite3_bind_int  STMT N VALUE
2847 **
2848 ** Test the sqlite3_bind_int interface.  STMT is a prepared statement.
2849 ** N is the index of a wildcard in the prepared statement.  This command
2850 ** binds a 32-bit integer VALUE to that wildcard.
2851 */
2852 static int test_bind_int(
2853   void * clientData,
2854   Tcl_Interp *interp,
2855   int objc,
2856   Tcl_Obj *CONST objv[]
2857 ){
2858   sqlite3_stmt *pStmt;
2859   int idx;
2860   int value;
2861   int rc;
2862 
2863   if( objc!=4 ){
2864     Tcl_AppendResult(interp, "wrong # args: should be \"",
2865         Tcl_GetStringFromObj(objv[0], 0), " STMT N VALUE", 0);
2866     return TCL_ERROR;
2867   }
2868 
2869   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
2870   if( Tcl_GetIntFromObj(interp, objv[2], &idx) ) return TCL_ERROR;
2871   if( Tcl_GetIntFromObj(interp, objv[3], &value) ) return TCL_ERROR;
2872 
2873   rc = sqlite3_bind_int(pStmt, idx, value);
2874   if( sqlite3TestErrCode(interp, StmtToDb(pStmt), rc) ) return TCL_ERROR;
2875   if( rc!=SQLITE_OK ){
2876     return TCL_ERROR;
2877   }
2878 
2879   return TCL_OK;
2880 }
2881 
2882 
2883 /*
2884 ** Usage:   sqlite3_bind_int64  STMT N VALUE
2885 **
2886 ** Test the sqlite3_bind_int64 interface.  STMT is a prepared statement.
2887 ** N is the index of a wildcard in the prepared statement.  This command
2888 ** binds a 64-bit integer VALUE to that wildcard.
2889 */
2890 static int test_bind_int64(
2891   void * clientData,
2892   Tcl_Interp *interp,
2893   int objc,
2894   Tcl_Obj *CONST objv[]
2895 ){
2896   sqlite3_stmt *pStmt;
2897   int idx;
2898   i64 value;
2899   int rc;
2900 
2901   if( objc!=4 ){
2902     Tcl_AppendResult(interp, "wrong # args: should be \"",
2903         Tcl_GetStringFromObj(objv[0], 0), " STMT N VALUE", 0);
2904     return TCL_ERROR;
2905   }
2906 
2907   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
2908   if( Tcl_GetIntFromObj(interp, objv[2], &idx) ) return TCL_ERROR;
2909   if( Tcl_GetWideIntFromObj(interp, objv[3], &value) ) return TCL_ERROR;
2910 
2911   rc = sqlite3_bind_int64(pStmt, idx, value);
2912   if( sqlite3TestErrCode(interp, StmtToDb(pStmt), rc) ) return TCL_ERROR;
2913   if( rc!=SQLITE_OK ){
2914     return TCL_ERROR;
2915   }
2916 
2917   return TCL_OK;
2918 }
2919 
2920 
2921 /*
2922 ** Usage:   sqlite3_bind_double  STMT N VALUE
2923 **
2924 ** Test the sqlite3_bind_double interface.  STMT is a prepared statement.
2925 ** N is the index of a wildcard in the prepared statement.  This command
2926 ** binds a 64-bit integer VALUE to that wildcard.
2927 */
2928 static int test_bind_double(
2929   void * clientData,
2930   Tcl_Interp *interp,
2931   int objc,
2932   Tcl_Obj *CONST objv[]
2933 ){
2934   sqlite3_stmt *pStmt;
2935   int idx;
2936   double value;
2937   int rc;
2938   const char *zVal;
2939   int i;
2940   static const struct {
2941     const char *zName;     /* Name of the special floating point value */
2942     unsigned int iUpper;   /* Upper 32 bits */
2943     unsigned int iLower;   /* Lower 32 bits */
2944   } aSpecialFp[] = {
2945     {  "NaN",      0x7fffffff, 0xffffffff },
2946     {  "SNaN",     0x7ff7ffff, 0xffffffff },
2947     {  "-NaN",     0xffffffff, 0xffffffff },
2948     {  "-SNaN",    0xfff7ffff, 0xffffffff },
2949     {  "+Inf",     0x7ff00000, 0x00000000 },
2950     {  "-Inf",     0xfff00000, 0x00000000 },
2951     {  "Epsilon",  0x00000000, 0x00000001 },
2952     {  "-Epsilon", 0x80000000, 0x00000001 },
2953     {  "NaN0",     0x7ff80000, 0x00000000 },
2954     {  "-NaN0",    0xfff80000, 0x00000000 },
2955   };
2956 
2957   if( objc!=4 ){
2958     Tcl_AppendResult(interp, "wrong # args: should be \"",
2959         Tcl_GetStringFromObj(objv[0], 0), " STMT N VALUE", 0);
2960     return TCL_ERROR;
2961   }
2962 
2963   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
2964   if( Tcl_GetIntFromObj(interp, objv[2], &idx) ) return TCL_ERROR;
2965 
2966   /* Intercept the string "NaN" and generate a NaN value for it.
2967   ** All other strings are passed through to Tcl_GetDoubleFromObj().
2968   ** Tcl_GetDoubleFromObj() should understand "NaN" but some versions
2969   ** contain a bug.
2970   */
2971   zVal = Tcl_GetString(objv[3]);
2972   for(i=0; i<sizeof(aSpecialFp)/sizeof(aSpecialFp[0]); i++){
2973     if( strcmp(aSpecialFp[i].zName, zVal)==0 ){
2974       sqlite3_uint64 x;
2975       x = aSpecialFp[i].iUpper;
2976       x <<= 32;
2977       x |= aSpecialFp[i].iLower;
2978       assert( sizeof(value)==8 );
2979       assert( sizeof(x)==8 );
2980       memcpy(&value, &x, 8);
2981       break;
2982     }
2983   }
2984   if( i>=sizeof(aSpecialFp)/sizeof(aSpecialFp[0]) &&
2985          Tcl_GetDoubleFromObj(interp, objv[3], &value) ){
2986     return TCL_ERROR;
2987   }
2988   rc = sqlite3_bind_double(pStmt, idx, value);
2989   if( sqlite3TestErrCode(interp, StmtToDb(pStmt), rc) ) return TCL_ERROR;
2990   if( rc!=SQLITE_OK ){
2991     return TCL_ERROR;
2992   }
2993 
2994   return TCL_OK;
2995 }
2996 
2997 /*
2998 ** Usage:   sqlite3_bind_null  STMT N
2999 **
3000 ** Test the sqlite3_bind_null interface.  STMT is a prepared statement.
3001 ** N is the index of a wildcard in the prepared statement.  This command
3002 ** binds a NULL to the wildcard.
3003 */
3004 static int test_bind_null(
3005   void * clientData,
3006   Tcl_Interp *interp,
3007   int objc,
3008   Tcl_Obj *CONST objv[]
3009 ){
3010   sqlite3_stmt *pStmt;
3011   int idx;
3012   int rc;
3013 
3014   if( objc!=3 ){
3015     Tcl_AppendResult(interp, "wrong # args: should be \"",
3016         Tcl_GetStringFromObj(objv[0], 0), " STMT N", 0);
3017     return TCL_ERROR;
3018   }
3019 
3020   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
3021   if( Tcl_GetIntFromObj(interp, objv[2], &idx) ) return TCL_ERROR;
3022 
3023   rc = sqlite3_bind_null(pStmt, idx);
3024   if( sqlite3TestErrCode(interp, StmtToDb(pStmt), rc) ) return TCL_ERROR;
3025   if( rc!=SQLITE_OK ){
3026     return TCL_ERROR;
3027   }
3028 
3029   return TCL_OK;
3030 }
3031 
3032 /*
3033 ** Usage:   sqlite3_bind_text  STMT N STRING BYTES
3034 **
3035 ** Test the sqlite3_bind_text interface.  STMT is a prepared statement.
3036 ** N is the index of a wildcard in the prepared statement.  This command
3037 ** binds a UTF-8 string STRING to the wildcard.  The string is BYTES bytes
3038 ** long.
3039 */
3040 static int test_bind_text(
3041   void * clientData,
3042   Tcl_Interp *interp,
3043   int objc,
3044   Tcl_Obj *CONST objv[]
3045 ){
3046   sqlite3_stmt *pStmt;
3047   int idx;
3048   int bytes;
3049   char *value;
3050   int rc;
3051 
3052   if( objc!=5 ){
3053     Tcl_AppendResult(interp, "wrong # args: should be \"",
3054         Tcl_GetStringFromObj(objv[0], 0), " STMT N VALUE BYTES", 0);
3055     return TCL_ERROR;
3056   }
3057 
3058   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
3059   if( Tcl_GetIntFromObj(interp, objv[2], &idx) ) return TCL_ERROR;
3060   value = (char*)Tcl_GetByteArrayFromObj(objv[3], &bytes);
3061   if( Tcl_GetIntFromObj(interp, objv[4], &bytes) ) return TCL_ERROR;
3062 
3063   rc = sqlite3_bind_text(pStmt, idx, value, bytes, SQLITE_TRANSIENT);
3064   if( sqlite3TestErrCode(interp, StmtToDb(pStmt), rc) ) return TCL_ERROR;
3065   if( rc!=SQLITE_OK ){
3066     Tcl_AppendResult(interp, sqlite3TestErrorName(rc), 0);
3067     return TCL_ERROR;
3068   }
3069 
3070   return TCL_OK;
3071 }
3072 
3073 /*
3074 ** Usage:   sqlite3_bind_text16 ?-static? STMT N STRING BYTES
3075 **
3076 ** Test the sqlite3_bind_text16 interface.  STMT is a prepared statement.
3077 ** N is the index of a wildcard in the prepared statement.  This command
3078 ** binds a UTF-16 string STRING to the wildcard.  The string is BYTES bytes
3079 ** long.
3080 */
3081 static int test_bind_text16(
3082   void * clientData,
3083   Tcl_Interp *interp,
3084   int objc,
3085   Tcl_Obj *CONST objv[]
3086 ){
3087 #ifndef SQLITE_OMIT_UTF16
3088   sqlite3_stmt *pStmt;
3089   int idx;
3090   int bytes;
3091   char *value;
3092   int rc;
3093 
3094   void (*xDel)() = (objc==6?SQLITE_STATIC:SQLITE_TRANSIENT);
3095   Tcl_Obj *oStmt    = objv[objc-4];
3096   Tcl_Obj *oN       = objv[objc-3];
3097   Tcl_Obj *oString  = objv[objc-2];
3098   Tcl_Obj *oBytes   = objv[objc-1];
3099 
3100   if( objc!=5 && objc!=6){
3101     Tcl_AppendResult(interp, "wrong # args: should be \"",
3102         Tcl_GetStringFromObj(objv[0], 0), " STMT N VALUE BYTES", 0);
3103     return TCL_ERROR;
3104   }
3105 
3106   if( getStmtPointer(interp, Tcl_GetString(oStmt), &pStmt) ) return TCL_ERROR;
3107   if( Tcl_GetIntFromObj(interp, oN, &idx) ) return TCL_ERROR;
3108   value = (char*)Tcl_GetByteArrayFromObj(oString, 0);
3109   if( Tcl_GetIntFromObj(interp, oBytes, &bytes) ) return TCL_ERROR;
3110 
3111   rc = sqlite3_bind_text16(pStmt, idx, (void *)value, bytes, xDel);
3112   if( sqlite3TestErrCode(interp, StmtToDb(pStmt), rc) ) return TCL_ERROR;
3113   if( rc!=SQLITE_OK ){
3114     Tcl_AppendResult(interp, sqlite3TestErrorName(rc), 0);
3115     return TCL_ERROR;
3116   }
3117 
3118 #endif /* SQLITE_OMIT_UTF16 */
3119   return TCL_OK;
3120 }
3121 
3122 /*
3123 ** Usage:   sqlite3_bind_blob ?-static? STMT N DATA BYTES
3124 **
3125 ** Test the sqlite3_bind_blob interface.  STMT is a prepared statement.
3126 ** N is the index of a wildcard in the prepared statement.  This command
3127 ** binds a BLOB to the wildcard.  The BLOB is BYTES bytes in size.
3128 */
3129 static int test_bind_blob(
3130   void * clientData,
3131   Tcl_Interp *interp,
3132   int objc,
3133   Tcl_Obj *CONST objv[]
3134 ){
3135   sqlite3_stmt *pStmt;
3136   int idx;
3137   int bytes;
3138   char *value;
3139   int rc;
3140   sqlite3_destructor_type xDestructor = SQLITE_TRANSIENT;
3141 
3142   if( objc!=5 && objc!=6 ){
3143     Tcl_AppendResult(interp, "wrong # args: should be \"",
3144         Tcl_GetStringFromObj(objv[0], 0), " STMT N DATA BYTES", 0);
3145     return TCL_ERROR;
3146   }
3147 
3148   if( objc==6 ){
3149     xDestructor = SQLITE_STATIC;
3150     objv++;
3151   }
3152 
3153   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
3154   if( Tcl_GetIntFromObj(interp, objv[2], &idx) ) return TCL_ERROR;
3155   value = Tcl_GetString(objv[3]);
3156   if( Tcl_GetIntFromObj(interp, objv[4], &bytes) ) return TCL_ERROR;
3157 
3158   rc = sqlite3_bind_blob(pStmt, idx, value, bytes, xDestructor);
3159   if( sqlite3TestErrCode(interp, StmtToDb(pStmt), rc) ) return TCL_ERROR;
3160   if( rc!=SQLITE_OK ){
3161     return TCL_ERROR;
3162   }
3163 
3164   return TCL_OK;
3165 }
3166 
3167 /*
3168 ** Usage:   sqlite3_bind_parameter_count  STMT
3169 **
3170 ** Return the number of wildcards in the given statement.
3171 */
3172 static int test_bind_parameter_count(
3173   void * clientData,
3174   Tcl_Interp *interp,
3175   int objc,
3176   Tcl_Obj *CONST objv[]
3177 ){
3178   sqlite3_stmt *pStmt;
3179 
3180   if( objc!=2 ){
3181     Tcl_WrongNumArgs(interp, 1, objv, "STMT");
3182     return TCL_ERROR;
3183   }
3184   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
3185   Tcl_SetObjResult(interp, Tcl_NewIntObj(sqlite3_bind_parameter_count(pStmt)));
3186   return TCL_OK;
3187 }
3188 
3189 /*
3190 ** Usage:   sqlite3_bind_parameter_name  STMT  N
3191 **
3192 ** Return the name of the Nth wildcard.  The first wildcard is 1.
3193 ** An empty string is returned if N is out of range or if the wildcard
3194 ** is nameless.
3195 */
3196 static int test_bind_parameter_name(
3197   void * clientData,
3198   Tcl_Interp *interp,
3199   int objc,
3200   Tcl_Obj *CONST objv[]
3201 ){
3202   sqlite3_stmt *pStmt;
3203   int i;
3204 
3205   if( objc!=3 ){
3206     Tcl_WrongNumArgs(interp, 1, objv, "STMT N");
3207     return TCL_ERROR;
3208   }
3209   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
3210   if( Tcl_GetIntFromObj(interp, objv[2], &i) ) return TCL_ERROR;
3211   Tcl_SetObjResult(interp,
3212      Tcl_NewStringObj(sqlite3_bind_parameter_name(pStmt,i),-1)
3213   );
3214   return TCL_OK;
3215 }
3216 
3217 /*
3218 ** Usage:   sqlite3_bind_parameter_index  STMT  NAME
3219 **
3220 ** Return the index of the wildcard called NAME.  Return 0 if there is
3221 ** no such wildcard.
3222 */
3223 static int test_bind_parameter_index(
3224   void * clientData,
3225   Tcl_Interp *interp,
3226   int objc,
3227   Tcl_Obj *CONST objv[]
3228 ){
3229   sqlite3_stmt *pStmt;
3230 
3231   if( objc!=3 ){
3232     Tcl_WrongNumArgs(interp, 1, objv, "STMT NAME");
3233     return TCL_ERROR;
3234   }
3235   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
3236   Tcl_SetObjResult(interp,
3237      Tcl_NewIntObj(
3238        sqlite3_bind_parameter_index(pStmt,Tcl_GetString(objv[2]))
3239      )
3240   );
3241   return TCL_OK;
3242 }
3243 
3244 /*
3245 ** Usage:   sqlite3_clear_bindings STMT
3246 **
3247 */
3248 static int test_clear_bindings(
3249   void * clientData,
3250   Tcl_Interp *interp,
3251   int objc,
3252   Tcl_Obj *CONST objv[]
3253 ){
3254   sqlite3_stmt *pStmt;
3255 
3256   if( objc!=2 ){
3257     Tcl_WrongNumArgs(interp, 1, objv, "STMT");
3258     return TCL_ERROR;
3259   }
3260   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
3261   Tcl_SetObjResult(interp, Tcl_NewIntObj(sqlite3_clear_bindings(pStmt)));
3262   return TCL_OK;
3263 }
3264 
3265 /*
3266 ** Usage:   sqlite3_sleep MILLISECONDS
3267 */
3268 static int test_sleep(
3269   void * clientData,
3270   Tcl_Interp *interp,
3271   int objc,
3272   Tcl_Obj *CONST objv[]
3273 ){
3274   int ms;
3275 
3276   if( objc!=2 ){
3277     Tcl_WrongNumArgs(interp, 1, objv, "MILLISECONDS");
3278     return TCL_ERROR;
3279   }
3280   if( Tcl_GetIntFromObj(interp, objv[1], &ms) ){
3281     return TCL_ERROR;
3282   }
3283   Tcl_SetObjResult(interp, Tcl_NewIntObj(sqlite3_sleep(ms)));
3284   return TCL_OK;
3285 }
3286 
3287 /*
3288 ** Usage: sqlite3_extended_errcode DB
3289 **
3290 ** Return the string representation of the most recent sqlite3_* API
3291 ** error code. e.g. "SQLITE_ERROR".
3292 */
3293 static int test_ex_errcode(
3294   void * clientData,
3295   Tcl_Interp *interp,
3296   int objc,
3297   Tcl_Obj *CONST objv[]
3298 ){
3299   sqlite3 *db;
3300   int rc;
3301 
3302   if( objc!=2 ){
3303     Tcl_AppendResult(interp, "wrong # args: should be \"",
3304        Tcl_GetString(objv[0]), " DB", 0);
3305     return TCL_ERROR;
3306   }
3307   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
3308   rc = sqlite3_extended_errcode(db);
3309   Tcl_AppendResult(interp, (char *)t1ErrorName(rc), 0);
3310   return TCL_OK;
3311 }
3312 
3313 
3314 /*
3315 ** Usage: sqlite3_errcode DB
3316 **
3317 ** Return the string representation of the most recent sqlite3_* API
3318 ** error code. e.g. "SQLITE_ERROR".
3319 */
3320 static int test_errcode(
3321   void * clientData,
3322   Tcl_Interp *interp,
3323   int objc,
3324   Tcl_Obj *CONST objv[]
3325 ){
3326   sqlite3 *db;
3327   int rc;
3328 
3329   if( objc!=2 ){
3330     Tcl_AppendResult(interp, "wrong # args: should be \"",
3331        Tcl_GetString(objv[0]), " DB", 0);
3332     return TCL_ERROR;
3333   }
3334   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
3335   rc = sqlite3_errcode(db);
3336   Tcl_AppendResult(interp, (char *)t1ErrorName(rc), 0);
3337   return TCL_OK;
3338 }
3339 
3340 /*
3341 ** Usage:   sqlite3_errmsg DB
3342 **
3343 ** Returns the UTF-8 representation of the error message string for the
3344 ** most recent sqlite3_* API call.
3345 */
3346 static int test_errmsg(
3347   void * clientData,
3348   Tcl_Interp *interp,
3349   int objc,
3350   Tcl_Obj *CONST objv[]
3351 ){
3352   sqlite3 *db;
3353   const char *zErr;
3354 
3355   if( objc!=2 ){
3356     Tcl_AppendResult(interp, "wrong # args: should be \"",
3357        Tcl_GetString(objv[0]), " DB", 0);
3358     return TCL_ERROR;
3359   }
3360   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
3361 
3362   zErr = sqlite3_errmsg(db);
3363   Tcl_SetObjResult(interp, Tcl_NewStringObj(zErr, -1));
3364   return TCL_OK;
3365 }
3366 
3367 /*
3368 ** Usage:   test_errmsg16 DB
3369 **
3370 ** Returns the UTF-16 representation of the error message string for the
3371 ** most recent sqlite3_* API call. This is a byte array object at the TCL
3372 ** level, and it includes the 0x00 0x00 terminator bytes at the end of the
3373 ** UTF-16 string.
3374 */
3375 static int test_errmsg16(
3376   void * clientData,
3377   Tcl_Interp *interp,
3378   int objc,
3379   Tcl_Obj *CONST objv[]
3380 ){
3381 #ifndef SQLITE_OMIT_UTF16
3382   sqlite3 *db;
3383   const void *zErr;
3384   const char *z;
3385   int bytes = 0;
3386 
3387   if( objc!=2 ){
3388     Tcl_AppendResult(interp, "wrong # args: should be \"",
3389        Tcl_GetString(objv[0]), " DB", 0);
3390     return TCL_ERROR;
3391   }
3392   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
3393 
3394   zErr = sqlite3_errmsg16(db);
3395   if( zErr ){
3396     z = zErr;
3397     for(bytes=0; z[bytes] || z[bytes+1]; bytes+=2){}
3398   }
3399   Tcl_SetObjResult(interp, Tcl_NewByteArrayObj(zErr, bytes));
3400 #endif /* SQLITE_OMIT_UTF16 */
3401   return TCL_OK;
3402 }
3403 
3404 /*
3405 ** Usage: sqlite3_prepare DB sql bytes ?tailvar?
3406 **
3407 ** Compile up to <bytes> bytes of the supplied SQL string <sql> using
3408 ** database handle <DB>. The parameter <tailval> is the name of a global
3409 ** variable that is set to the unused portion of <sql> (if any). A
3410 ** STMT handle is returned.
3411 */
3412 static int test_prepare(
3413   void * clientData,
3414   Tcl_Interp *interp,
3415   int objc,
3416   Tcl_Obj *CONST objv[]
3417 ){
3418   sqlite3 *db;
3419   const char *zSql;
3420   int bytes;
3421   const char *zTail = 0;
3422   sqlite3_stmt *pStmt = 0;
3423   char zBuf[50];
3424   int rc;
3425 
3426   if( objc!=5 && objc!=4 ){
3427     Tcl_AppendResult(interp, "wrong # args: should be \"",
3428        Tcl_GetString(objv[0]), " DB sql bytes ?tailvar?", 0);
3429     return TCL_ERROR;
3430   }
3431   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
3432   zSql = Tcl_GetString(objv[2]);
3433   if( Tcl_GetIntFromObj(interp, objv[3], &bytes) ) return TCL_ERROR;
3434 
3435   rc = sqlite3_prepare(db, zSql, bytes, &pStmt, objc>=5 ? &zTail : 0);
3436   Tcl_ResetResult(interp);
3437   if( sqlite3TestErrCode(interp, db, rc) ) return TCL_ERROR;
3438   if( zTail && objc>=5 ){
3439     if( bytes>=0 ){
3440       bytes = bytes - (zTail-zSql);
3441     }
3442     if( strlen(zTail)<bytes ){
3443       bytes = strlen(zTail);
3444     }
3445     Tcl_ObjSetVar2(interp, objv[4], 0, Tcl_NewStringObj(zTail, bytes), 0);
3446   }
3447   if( rc!=SQLITE_OK ){
3448     assert( pStmt==0 );
3449     sprintf(zBuf, "(%d) ", rc);
3450     Tcl_AppendResult(interp, zBuf, sqlite3_errmsg(db), 0);
3451     return TCL_ERROR;
3452   }
3453 
3454   if( pStmt ){
3455     if( sqlite3TestMakePointerStr(interp, zBuf, pStmt) ) return TCL_ERROR;
3456     Tcl_AppendResult(interp, zBuf, 0);
3457   }
3458   return TCL_OK;
3459 }
3460 
3461 /*
3462 ** Usage: sqlite3_prepare_v2 DB sql bytes ?tailvar?
3463 **
3464 ** Compile up to <bytes> bytes of the supplied SQL string <sql> using
3465 ** database handle <DB>. The parameter <tailval> is the name of a global
3466 ** variable that is set to the unused portion of <sql> (if any). A
3467 ** STMT handle is returned.
3468 */
3469 static int test_prepare_v2(
3470   void * clientData,
3471   Tcl_Interp *interp,
3472   int objc,
3473   Tcl_Obj *CONST objv[]
3474 ){
3475   sqlite3 *db;
3476   const char *zSql;
3477   int bytes;
3478   const char *zTail = 0;
3479   sqlite3_stmt *pStmt = 0;
3480   char zBuf[50];
3481   int rc;
3482 
3483   if( objc!=5 && objc!=4 ){
3484     Tcl_AppendResult(interp, "wrong # args: should be \"",
3485        Tcl_GetString(objv[0]), " DB sql bytes tailvar", 0);
3486     return TCL_ERROR;
3487   }
3488   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
3489   zSql = Tcl_GetString(objv[2]);
3490   if( Tcl_GetIntFromObj(interp, objv[3], &bytes) ) return TCL_ERROR;
3491 
3492   rc = sqlite3_prepare_v2(db, zSql, bytes, &pStmt, objc>=5 ? &zTail : 0);
3493   assert(rc==SQLITE_OK || pStmt==0);
3494   Tcl_ResetResult(interp);
3495   if( sqlite3TestErrCode(interp, db, rc) ) return TCL_ERROR;
3496   if( zTail && objc>=5 ){
3497     if( bytes>=0 ){
3498       bytes = bytes - (zTail-zSql);
3499     }
3500     Tcl_ObjSetVar2(interp, objv[4], 0, Tcl_NewStringObj(zTail, bytes), 0);
3501   }
3502   if( rc!=SQLITE_OK ){
3503     assert( pStmt==0 );
3504     sprintf(zBuf, "(%d) ", rc);
3505     Tcl_AppendResult(interp, zBuf, sqlite3_errmsg(db), 0);
3506     return TCL_ERROR;
3507   }
3508 
3509   if( pStmt ){
3510     if( sqlite3TestMakePointerStr(interp, zBuf, pStmt) ) return TCL_ERROR;
3511     Tcl_AppendResult(interp, zBuf, 0);
3512   }
3513   return TCL_OK;
3514 }
3515 
3516 /*
3517 ** Usage: sqlite3_prepare_tkt3134 DB
3518 **
3519 ** Generate a prepared statement for a zero-byte string as a test
3520 ** for ticket #3134.  The string should be preceeded by a zero byte.
3521 */
3522 static int test_prepare_tkt3134(
3523   void * clientData,
3524   Tcl_Interp *interp,
3525   int objc,
3526   Tcl_Obj *CONST objv[]
3527 ){
3528   sqlite3 *db;
3529   static const char zSql[] = "\000SELECT 1";
3530   sqlite3_stmt *pStmt = 0;
3531   char zBuf[50];
3532   int rc;
3533 
3534   if( objc!=2 ){
3535     Tcl_AppendResult(interp, "wrong # args: should be \"",
3536        Tcl_GetString(objv[0]), " DB sql bytes tailvar", 0);
3537     return TCL_ERROR;
3538   }
3539   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
3540   rc = sqlite3_prepare_v2(db, &zSql[1], 0, &pStmt, 0);
3541   assert(rc==SQLITE_OK || pStmt==0);
3542   if( sqlite3TestErrCode(interp, db, rc) ) return TCL_ERROR;
3543   if( rc!=SQLITE_OK ){
3544     assert( pStmt==0 );
3545     sprintf(zBuf, "(%d) ", rc);
3546     Tcl_AppendResult(interp, zBuf, sqlite3_errmsg(db), 0);
3547     return TCL_ERROR;
3548   }
3549 
3550   if( pStmt ){
3551     if( sqlite3TestMakePointerStr(interp, zBuf, pStmt) ) return TCL_ERROR;
3552     Tcl_AppendResult(interp, zBuf, 0);
3553   }
3554   return TCL_OK;
3555 }
3556 
3557 /*
3558 ** Usage: sqlite3_prepare16 DB sql bytes tailvar
3559 **
3560 ** Compile up to <bytes> bytes of the supplied SQL string <sql> using
3561 ** database handle <DB>. The parameter <tailval> is the name of a global
3562 ** variable that is set to the unused portion of <sql> (if any). A
3563 ** STMT handle is returned.
3564 */
3565 static int test_prepare16(
3566   void * clientData,
3567   Tcl_Interp *interp,
3568   int objc,
3569   Tcl_Obj *CONST objv[]
3570 ){
3571 #ifndef SQLITE_OMIT_UTF16
3572   sqlite3 *db;
3573   const void *zSql;
3574   const void *zTail = 0;
3575   Tcl_Obj *pTail = 0;
3576   sqlite3_stmt *pStmt = 0;
3577   char zBuf[50];
3578   int rc;
3579   int bytes;                /* The integer specified as arg 3 */
3580   int objlen;               /* The byte-array length of arg 2 */
3581 
3582   if( objc!=5 && objc!=4 ){
3583     Tcl_AppendResult(interp, "wrong # args: should be \"",
3584        Tcl_GetString(objv[0]), " DB sql bytes ?tailvar?", 0);
3585     return TCL_ERROR;
3586   }
3587   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
3588   zSql = Tcl_GetByteArrayFromObj(objv[2], &objlen);
3589   if( Tcl_GetIntFromObj(interp, objv[3], &bytes) ) return TCL_ERROR;
3590 
3591   rc = sqlite3_prepare16(db, zSql, bytes, &pStmt, objc>=5 ? &zTail : 0);
3592   if( sqlite3TestErrCode(interp, db, rc) ) return TCL_ERROR;
3593   if( rc ){
3594     return TCL_ERROR;
3595   }
3596 
3597   if( objc>=5 ){
3598     if( zTail ){
3599       objlen = objlen - ((u8 *)zTail-(u8 *)zSql);
3600     }else{
3601       objlen = 0;
3602     }
3603     pTail = Tcl_NewByteArrayObj((u8 *)zTail, objlen);
3604     Tcl_IncrRefCount(pTail);
3605     Tcl_ObjSetVar2(interp, objv[4], 0, pTail, 0);
3606     Tcl_DecrRefCount(pTail);
3607   }
3608 
3609   if( pStmt ){
3610     if( sqlite3TestMakePointerStr(interp, zBuf, pStmt) ) return TCL_ERROR;
3611   }
3612   Tcl_AppendResult(interp, zBuf, 0);
3613 #endif /* SQLITE_OMIT_UTF16 */
3614   return TCL_OK;
3615 }
3616 
3617 /*
3618 ** Usage: sqlite3_prepare16_v2 DB sql bytes ?tailvar?
3619 **
3620 ** Compile up to <bytes> bytes of the supplied SQL string <sql> using
3621 ** database handle <DB>. The parameter <tailval> is the name of a global
3622 ** variable that is set to the unused portion of <sql> (if any). A
3623 ** STMT handle is returned.
3624 */
3625 static int test_prepare16_v2(
3626   void * clientData,
3627   Tcl_Interp *interp,
3628   int objc,
3629   Tcl_Obj *CONST objv[]
3630 ){
3631 #ifndef SQLITE_OMIT_UTF16
3632   sqlite3 *db;
3633   const void *zSql;
3634   const void *zTail = 0;
3635   Tcl_Obj *pTail = 0;
3636   sqlite3_stmt *pStmt = 0;
3637   char zBuf[50];
3638   int rc;
3639   int bytes;                /* The integer specified as arg 3 */
3640   int objlen;               /* The byte-array length of arg 2 */
3641 
3642   if( objc!=5 && objc!=4 ){
3643     Tcl_AppendResult(interp, "wrong # args: should be \"",
3644        Tcl_GetString(objv[0]), " DB sql bytes ?tailvar?", 0);
3645     return TCL_ERROR;
3646   }
3647   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
3648   zSql = Tcl_GetByteArrayFromObj(objv[2], &objlen);
3649   if( Tcl_GetIntFromObj(interp, objv[3], &bytes) ) return TCL_ERROR;
3650 
3651   rc = sqlite3_prepare16_v2(db, zSql, bytes, &pStmt, objc>=5 ? &zTail : 0);
3652   if( sqlite3TestErrCode(interp, db, rc) ) return TCL_ERROR;
3653   if( rc ){
3654     return TCL_ERROR;
3655   }
3656 
3657   if( objc>=5 ){
3658     if( zTail ){
3659       objlen = objlen - ((u8 *)zTail-(u8 *)zSql);
3660     }else{
3661       objlen = 0;
3662     }
3663     pTail = Tcl_NewByteArrayObj((u8 *)zTail, objlen);
3664     Tcl_IncrRefCount(pTail);
3665     Tcl_ObjSetVar2(interp, objv[4], 0, pTail, 0);
3666     Tcl_DecrRefCount(pTail);
3667   }
3668 
3669   if( pStmt ){
3670     if( sqlite3TestMakePointerStr(interp, zBuf, pStmt) ) return TCL_ERROR;
3671   }
3672   Tcl_AppendResult(interp, zBuf, 0);
3673 #endif /* SQLITE_OMIT_UTF16 */
3674   return TCL_OK;
3675 }
3676 
3677 /*
3678 ** Usage: sqlite3_open filename ?options-list?
3679 */
3680 static int test_open(
3681   void * clientData,
3682   Tcl_Interp *interp,
3683   int objc,
3684   Tcl_Obj *CONST objv[]
3685 ){
3686   const char *zFilename;
3687   sqlite3 *db;
3688   int rc;
3689   char zBuf[100];
3690 
3691   if( objc!=3 && objc!=2 && objc!=1 ){
3692     Tcl_AppendResult(interp, "wrong # args: should be \"",
3693        Tcl_GetString(objv[0]), " filename options-list", 0);
3694     return TCL_ERROR;
3695   }
3696 
3697   zFilename = objc>1 ? Tcl_GetString(objv[1]) : 0;
3698   rc = sqlite3_open(zFilename, &db);
3699 
3700   if( sqlite3TestMakePointerStr(interp, zBuf, db) ) return TCL_ERROR;
3701   Tcl_AppendResult(interp, zBuf, 0);
3702   return TCL_OK;
3703 }
3704 
3705 /*
3706 ** Usage: sqlite3_open16 filename options
3707 */
3708 static int test_open16(
3709   void * clientData,
3710   Tcl_Interp *interp,
3711   int objc,
3712   Tcl_Obj *CONST objv[]
3713 ){
3714 #ifndef SQLITE_OMIT_UTF16
3715   const void *zFilename;
3716   sqlite3 *db;
3717   int rc;
3718   char zBuf[100];
3719 
3720   if( objc!=3 ){
3721     Tcl_AppendResult(interp, "wrong # args: should be \"",
3722        Tcl_GetString(objv[0]), " filename options-list", 0);
3723     return TCL_ERROR;
3724   }
3725 
3726   zFilename = Tcl_GetByteArrayFromObj(objv[1], 0);
3727   rc = sqlite3_open16(zFilename, &db);
3728 
3729   if( sqlite3TestMakePointerStr(interp, zBuf, db) ) return TCL_ERROR;
3730   Tcl_AppendResult(interp, zBuf, 0);
3731 #endif /* SQLITE_OMIT_UTF16 */
3732   return TCL_OK;
3733 }
3734 
3735 /*
3736 ** Usage: sqlite3_complete16 <UTF-16 string>
3737 **
3738 ** Return 1 if the supplied argument is a complete SQL statement, or zero
3739 ** otherwise.
3740 */
3741 static int test_complete16(
3742   void * clientData,
3743   Tcl_Interp *interp,
3744   int objc,
3745   Tcl_Obj *CONST objv[]
3746 ){
3747 #if !defined(SQLITE_OMIT_COMPLETE) && !defined(SQLITE_OMIT_UTF16)
3748   char *zBuf;
3749 
3750   if( objc!=2 ){
3751     Tcl_WrongNumArgs(interp, 1, objv, "<utf-16 sql>");
3752     return TCL_ERROR;
3753   }
3754 
3755   zBuf = (char*)Tcl_GetByteArrayFromObj(objv[1], 0);
3756   Tcl_SetObjResult(interp, Tcl_NewIntObj(sqlite3_complete16(zBuf)));
3757 #endif /* SQLITE_OMIT_COMPLETE && SQLITE_OMIT_UTF16 */
3758   return TCL_OK;
3759 }
3760 
3761 /*
3762 ** Usage: sqlite3_step STMT
3763 **
3764 ** Advance the statement to the next row.
3765 */
3766 static int test_step(
3767   void * clientData,
3768   Tcl_Interp *interp,
3769   int objc,
3770   Tcl_Obj *CONST objv[]
3771 ){
3772   sqlite3_stmt *pStmt;
3773   int rc;
3774 
3775   if( objc!=2 ){
3776     Tcl_AppendResult(interp, "wrong # args: should be \"",
3777        Tcl_GetString(objv[0]), " STMT", 0);
3778     return TCL_ERROR;
3779   }
3780 
3781   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
3782   rc = sqlite3_step(pStmt);
3783 
3784   /* if( rc!=SQLITE_DONE && rc!=SQLITE_ROW ) return TCL_ERROR; */
3785   Tcl_SetResult(interp, (char *)t1ErrorName(rc), 0);
3786   return TCL_OK;
3787 }
3788 
3789 static int test_sql(
3790   void * clientData,
3791   Tcl_Interp *interp,
3792   int objc,
3793   Tcl_Obj *CONST objv[]
3794 ){
3795   sqlite3_stmt *pStmt;
3796 
3797   if( objc!=2 ){
3798     Tcl_WrongNumArgs(interp, 1, objv, "STMT");
3799     return TCL_ERROR;
3800   }
3801 
3802   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
3803   Tcl_SetResult(interp, (char *)sqlite3_sql(pStmt), TCL_VOLATILE);
3804   return TCL_OK;
3805 }
3806 
3807 /*
3808 ** Usage: sqlite3_column_count STMT
3809 **
3810 ** Return the number of columns returned by the sql statement STMT.
3811 */
3812 static int test_column_count(
3813   void * clientData,
3814   Tcl_Interp *interp,
3815   int objc,
3816   Tcl_Obj *CONST objv[]
3817 ){
3818   sqlite3_stmt *pStmt;
3819 
3820   if( objc!=2 ){
3821     Tcl_AppendResult(interp, "wrong # args: should be \"",
3822        Tcl_GetString(objv[0]), " STMT column", 0);
3823     return TCL_ERROR;
3824   }
3825 
3826   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
3827 
3828   Tcl_SetObjResult(interp, Tcl_NewIntObj(sqlite3_column_count(pStmt)));
3829   return TCL_OK;
3830 }
3831 
3832 /*
3833 ** Usage: sqlite3_column_type STMT column
3834 **
3835 ** Return the type of the data in column 'column' of the current row.
3836 */
3837 static int test_column_type(
3838   void * clientData,
3839   Tcl_Interp *interp,
3840   int objc,
3841   Tcl_Obj *CONST objv[]
3842 ){
3843   sqlite3_stmt *pStmt;
3844   int col;
3845   int tp;
3846 
3847   if( objc!=3 ){
3848     Tcl_AppendResult(interp, "wrong # args: should be \"",
3849        Tcl_GetString(objv[0]), " STMT column", 0);
3850     return TCL_ERROR;
3851   }
3852 
3853   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
3854   if( Tcl_GetIntFromObj(interp, objv[2], &col) ) return TCL_ERROR;
3855 
3856   tp = sqlite3_column_type(pStmt, col);
3857   switch( tp ){
3858     case SQLITE_INTEGER:
3859       Tcl_SetResult(interp, "INTEGER", TCL_STATIC);
3860       break;
3861     case SQLITE_NULL:
3862       Tcl_SetResult(interp, "NULL", TCL_STATIC);
3863       break;
3864     case SQLITE_FLOAT:
3865       Tcl_SetResult(interp, "FLOAT", TCL_STATIC);
3866       break;
3867     case SQLITE_TEXT:
3868       Tcl_SetResult(interp, "TEXT", TCL_STATIC);
3869       break;
3870     case SQLITE_BLOB:
3871       Tcl_SetResult(interp, "BLOB", TCL_STATIC);
3872       break;
3873     default:
3874       assert(0);
3875   }
3876 
3877   return TCL_OK;
3878 }
3879 
3880 /*
3881 ** Usage: sqlite3_column_int64 STMT column
3882 **
3883 ** Return the data in column 'column' of the current row cast as an
3884 ** wide (64-bit) integer.
3885 */
3886 static int test_column_int64(
3887   void * clientData,
3888   Tcl_Interp *interp,
3889   int objc,
3890   Tcl_Obj *CONST objv[]
3891 ){
3892   sqlite3_stmt *pStmt;
3893   int col;
3894   i64 iVal;
3895 
3896   if( objc!=3 ){
3897     Tcl_AppendResult(interp, "wrong # args: should be \"",
3898        Tcl_GetString(objv[0]), " STMT column", 0);
3899     return TCL_ERROR;
3900   }
3901 
3902   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
3903   if( Tcl_GetIntFromObj(interp, objv[2], &col) ) return TCL_ERROR;
3904 
3905   iVal = sqlite3_column_int64(pStmt, col);
3906   Tcl_SetObjResult(interp, Tcl_NewWideIntObj(iVal));
3907   return TCL_OK;
3908 }
3909 
3910 /*
3911 ** Usage: sqlite3_column_blob STMT column
3912 */
3913 static int test_column_blob(
3914   void * clientData,
3915   Tcl_Interp *interp,
3916   int objc,
3917   Tcl_Obj *CONST objv[]
3918 ){
3919   sqlite3_stmt *pStmt;
3920   int col;
3921 
3922   int len;
3923   const void *pBlob;
3924 
3925   if( objc!=3 ){
3926     Tcl_AppendResult(interp, "wrong # args: should be \"",
3927        Tcl_GetString(objv[0]), " STMT column", 0);
3928     return TCL_ERROR;
3929   }
3930 
3931   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
3932   if( Tcl_GetIntFromObj(interp, objv[2], &col) ) return TCL_ERROR;
3933 
3934   len = sqlite3_column_bytes(pStmt, col);
3935   pBlob = sqlite3_column_blob(pStmt, col);
3936   Tcl_SetObjResult(interp, Tcl_NewByteArrayObj(pBlob, len));
3937   return TCL_OK;
3938 }
3939 
3940 /*
3941 ** Usage: sqlite3_column_double STMT column
3942 **
3943 ** Return the data in column 'column' of the current row cast as a double.
3944 */
3945 static int test_column_double(
3946   void * clientData,
3947   Tcl_Interp *interp,
3948   int objc,
3949   Tcl_Obj *CONST objv[]
3950 ){
3951   sqlite3_stmt *pStmt;
3952   int col;
3953   double rVal;
3954 
3955   if( objc!=3 ){
3956     Tcl_AppendResult(interp, "wrong # args: should be \"",
3957        Tcl_GetString(objv[0]), " STMT column", 0);
3958     return TCL_ERROR;
3959   }
3960 
3961   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
3962   if( Tcl_GetIntFromObj(interp, objv[2], &col) ) return TCL_ERROR;
3963 
3964   rVal = sqlite3_column_double(pStmt, col);
3965   Tcl_SetObjResult(interp, Tcl_NewDoubleObj(rVal));
3966   return TCL_OK;
3967 }
3968 
3969 /*
3970 ** Usage: sqlite3_data_count STMT
3971 **
3972 ** Return the number of columns returned by the sql statement STMT.
3973 */
3974 static int test_data_count(
3975   void * clientData,
3976   Tcl_Interp *interp,
3977   int objc,
3978   Tcl_Obj *CONST objv[]
3979 ){
3980   sqlite3_stmt *pStmt;
3981 
3982   if( objc!=2 ){
3983     Tcl_AppendResult(interp, "wrong # args: should be \"",
3984        Tcl_GetString(objv[0]), " STMT column", 0);
3985     return TCL_ERROR;
3986   }
3987 
3988   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
3989 
3990   Tcl_SetObjResult(interp, Tcl_NewIntObj(sqlite3_data_count(pStmt)));
3991   return TCL_OK;
3992 }
3993 
3994 /*
3995 ** Usage: sqlite3_column_text STMT column
3996 **
3997 ** Usage: sqlite3_column_decltype STMT column
3998 **
3999 ** Usage: sqlite3_column_name STMT column
4000 */
4001 static int test_stmt_utf8(
4002   void * clientData,        /* Pointer to SQLite API function to be invoke */
4003   Tcl_Interp *interp,
4004   int objc,
4005   Tcl_Obj *CONST objv[]
4006 ){
4007   sqlite3_stmt *pStmt;
4008   int col;
4009   const char *(*xFunc)(sqlite3_stmt*, int);
4010   const char *zRet;
4011 
4012   xFunc = (const char *(*)(sqlite3_stmt*, int))clientData;
4013   if( objc!=3 ){
4014     Tcl_AppendResult(interp, "wrong # args: should be \"",
4015        Tcl_GetString(objv[0]), " STMT column", 0);
4016     return TCL_ERROR;
4017   }
4018 
4019   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
4020   if( Tcl_GetIntFromObj(interp, objv[2], &col) ) return TCL_ERROR;
4021   zRet = xFunc(pStmt, col);
4022   if( zRet ){
4023     Tcl_SetResult(interp, (char *)zRet, 0);
4024   }
4025   return TCL_OK;
4026 }
4027 
4028 static int test_global_recover(
4029   void * clientData,
4030   Tcl_Interp *interp,
4031   int objc,
4032   Tcl_Obj *CONST objv[]
4033 ){
4034 #ifndef SQLITE_OMIT_DEPRECATED
4035   int rc;
4036   if( objc!=1 ){
4037     Tcl_WrongNumArgs(interp, 1, objv, "");
4038     return TCL_ERROR;
4039   }
4040   rc = sqlite3_global_recover();
4041   Tcl_SetResult(interp, (char *)t1ErrorName(rc), TCL_STATIC);
4042 #endif
4043   return TCL_OK;
4044 }
4045 
4046 /*
4047 ** Usage: sqlite3_column_text STMT column
4048 **
4049 ** Usage: sqlite3_column_decltype STMT column
4050 **
4051 ** Usage: sqlite3_column_name STMT column
4052 */
4053 static int test_stmt_utf16(
4054   void * clientData,     /* Pointer to SQLite API function to be invoked */
4055   Tcl_Interp *interp,
4056   int objc,
4057   Tcl_Obj *CONST objv[]
4058 ){
4059 #ifndef SQLITE_OMIT_UTF16
4060   sqlite3_stmt *pStmt;
4061   int col;
4062   Tcl_Obj *pRet;
4063   const void *zName16;
4064   const void *(*xFunc)(sqlite3_stmt*, int);
4065 
4066   xFunc = (const void *(*)(sqlite3_stmt*, int))clientData;
4067   if( objc!=3 ){
4068     Tcl_AppendResult(interp, "wrong # args: should be \"",
4069        Tcl_GetString(objv[0]), " STMT column", 0);
4070     return TCL_ERROR;
4071   }
4072 
4073   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
4074   if( Tcl_GetIntFromObj(interp, objv[2], &col) ) return TCL_ERROR;
4075 
4076   zName16 = xFunc(pStmt, col);
4077   if( zName16 ){
4078     int n;
4079     const char *z = zName16;
4080     for(n=0; z[n] || z[n+1]; n+=2){}
4081     pRet = Tcl_NewByteArrayObj(zName16, n+2);
4082     Tcl_SetObjResult(interp, pRet);
4083   }
4084 #endif /* SQLITE_OMIT_UTF16 */
4085 
4086   return TCL_OK;
4087 }
4088 
4089 /*
4090 ** Usage: sqlite3_column_int STMT column
4091 **
4092 ** Usage: sqlite3_column_bytes STMT column
4093 **
4094 ** Usage: sqlite3_column_bytes16 STMT column
4095 **
4096 */
4097 static int test_stmt_int(
4098   void * clientData,    /* Pointer to SQLite API function to be invoked */
4099   Tcl_Interp *interp,
4100   int objc,
4101   Tcl_Obj *CONST objv[]
4102 ){
4103   sqlite3_stmt *pStmt;
4104   int col;
4105   int (*xFunc)(sqlite3_stmt*, int);
4106 
4107   xFunc = (int (*)(sqlite3_stmt*, int))clientData;
4108   if( objc!=3 ){
4109     Tcl_AppendResult(interp, "wrong # args: should be \"",
4110        Tcl_GetString(objv[0]), " STMT column", 0);
4111     return TCL_ERROR;
4112   }
4113 
4114   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
4115   if( Tcl_GetIntFromObj(interp, objv[2], &col) ) return TCL_ERROR;
4116 
4117   Tcl_SetObjResult(interp, Tcl_NewIntObj(xFunc(pStmt, col)));
4118   return TCL_OK;
4119 }
4120 
4121 /*
4122 ** Usage:  sqlite_set_magic  DB  MAGIC-NUMBER
4123 **
4124 ** Set the db->magic value.  This is used to test error recovery logic.
4125 */
4126 static int sqlite_set_magic(
4127   void * clientData,
4128   Tcl_Interp *interp,
4129   int argc,
4130   char **argv
4131 ){
4132   sqlite3 *db;
4133   if( argc!=3 ){
4134     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
4135          " DB MAGIC", 0);
4136     return TCL_ERROR;
4137   }
4138   if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
4139   if( strcmp(argv[2], "SQLITE_MAGIC_OPEN")==0 ){
4140     db->magic = SQLITE_MAGIC_OPEN;
4141   }else if( strcmp(argv[2], "SQLITE_MAGIC_CLOSED")==0 ){
4142     db->magic = SQLITE_MAGIC_CLOSED;
4143   }else if( strcmp(argv[2], "SQLITE_MAGIC_BUSY")==0 ){
4144     db->magic = SQLITE_MAGIC_BUSY;
4145   }else if( strcmp(argv[2], "SQLITE_MAGIC_ERROR")==0 ){
4146     db->magic = SQLITE_MAGIC_ERROR;
4147   }else if( Tcl_GetInt(interp, argv[2], (int*)&db->magic) ){
4148     return TCL_ERROR;
4149   }
4150   return TCL_OK;
4151 }
4152 
4153 /*
4154 ** Usage:  sqlite3_interrupt  DB
4155 **
4156 ** Trigger an interrupt on DB
4157 */
4158 static int test_interrupt(
4159   void * clientData,
4160   Tcl_Interp *interp,
4161   int argc,
4162   char **argv
4163 ){
4164   sqlite3 *db;
4165   if( argc!=2 ){
4166     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0], " DB", 0);
4167     return TCL_ERROR;
4168   }
4169   if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
4170   sqlite3_interrupt(db);
4171   return TCL_OK;
4172 }
4173 
4174 static u8 *sqlite3_stack_baseline = 0;
4175 
4176 /*
4177 ** Fill the stack with a known bitpattern.
4178 */
4179 static void prepStack(void){
4180   int i;
4181   u32 bigBuf[65536];
4182   for(i=0; i<sizeof(bigBuf); i++) bigBuf[i] = 0xdeadbeef;
4183   sqlite3_stack_baseline = (u8*)&bigBuf[65536];
4184 }
4185 
4186 /*
4187 ** Get the current stack depth.  Used for debugging only.
4188 */
4189 u64 sqlite3StackDepth(void){
4190   u8 x;
4191   return (u64)(sqlite3_stack_baseline - &x);
4192 }
4193 
4194 /*
4195 ** Usage:  sqlite3_stack_used DB SQL
4196 **
4197 ** Try to measure the amount of stack space used by a call to sqlite3_exec
4198 */
4199 static int test_stack_used(
4200   void * clientData,
4201   Tcl_Interp *interp,
4202   int argc,
4203   char **argv
4204 ){
4205   sqlite3 *db;
4206   int i;
4207   if( argc!=3 ){
4208     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
4209         " DB SQL", 0);
4210     return TCL_ERROR;
4211   }
4212   if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
4213   prepStack();
4214   (void)sqlite3_exec(db, argv[2], 0, 0, 0);
4215   for(i=65535; i>=0 && ((u32*)sqlite3_stack_baseline)[-i]==0xdeadbeef; i--){}
4216   Tcl_SetObjResult(interp, Tcl_NewIntObj(i*4));
4217   return TCL_OK;
4218 }
4219 
4220 /*
4221 ** Usage: sqlite_delete_function DB function-name
4222 **
4223 ** Delete the user function 'function-name' from database handle DB. It
4224 ** is assumed that the user function was created as UTF8, any number of
4225 ** arguments (the way the TCL interface does it).
4226 */
4227 static int delete_function(
4228   void * clientData,
4229   Tcl_Interp *interp,
4230   int argc,
4231   char **argv
4232 ){
4233   int rc;
4234   sqlite3 *db;
4235   if( argc!=3 ){
4236     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
4237         " DB function-name", 0);
4238     return TCL_ERROR;
4239   }
4240   if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
4241   rc = sqlite3_create_function(db, argv[2], -1, SQLITE_UTF8, 0, 0, 0, 0);
4242   Tcl_SetResult(interp, (char *)t1ErrorName(rc), TCL_STATIC);
4243   return TCL_OK;
4244 }
4245 
4246 /*
4247 ** Usage: sqlite_delete_collation DB collation-name
4248 **
4249 ** Delete the collation sequence 'collation-name' from database handle
4250 ** DB. It is assumed that the collation sequence was created as UTF8 (the
4251 ** way the TCL interface does it).
4252 */
4253 static int delete_collation(
4254   void * clientData,
4255   Tcl_Interp *interp,
4256   int argc,
4257   char **argv
4258 ){
4259   int rc;
4260   sqlite3 *db;
4261   if( argc!=3 ){
4262     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
4263         " DB function-name", 0);
4264     return TCL_ERROR;
4265   }
4266   if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
4267   rc = sqlite3_create_collation(db, argv[2], SQLITE_UTF8, 0, 0);
4268   Tcl_SetResult(interp, (char *)t1ErrorName(rc), TCL_STATIC);
4269   return TCL_OK;
4270 }
4271 
4272 /*
4273 ** Usage: sqlite3_get_autocommit DB
4274 **
4275 ** Return true if the database DB is currently in auto-commit mode.
4276 ** Return false if not.
4277 */
4278 static int get_autocommit(
4279   void * clientData,
4280   Tcl_Interp *interp,
4281   int argc,
4282   char **argv
4283 ){
4284   char zBuf[30];
4285   sqlite3 *db;
4286   if( argc!=2 ){
4287     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
4288         " DB", 0);
4289     return TCL_ERROR;
4290   }
4291   if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
4292   sprintf(zBuf, "%d", sqlite3_get_autocommit(db));
4293   Tcl_AppendResult(interp, zBuf, 0);
4294   return TCL_OK;
4295 }
4296 
4297 /*
4298 ** Usage: sqlite3_busy_timeout DB MS
4299 **
4300 ** Set the busy timeout.  This is more easily done using the timeout
4301 ** method of the TCL interface.  But we need a way to test the case
4302 ** where it returns SQLITE_MISUSE.
4303 */
4304 static int test_busy_timeout(
4305   void * clientData,
4306   Tcl_Interp *interp,
4307   int argc,
4308   char **argv
4309 ){
4310   int rc, ms;
4311   sqlite3 *db;
4312   if( argc!=3 ){
4313     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
4314         " DB", 0);
4315     return TCL_ERROR;
4316   }
4317   if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
4318   if( Tcl_GetInt(interp, argv[2], &ms) ) return TCL_ERROR;
4319   rc = sqlite3_busy_timeout(db, ms);
4320   Tcl_AppendResult(interp, sqlite3TestErrorName(rc), 0);
4321   return TCL_OK;
4322 }
4323 
4324 /*
4325 ** Usage:  tcl_variable_type VARIABLENAME
4326 **
4327 ** Return the name of the internal representation for the
4328 ** value of the given variable.
4329 */
4330 static int tcl_variable_type(
4331   void * clientData,
4332   Tcl_Interp *interp,
4333   int objc,
4334   Tcl_Obj *CONST objv[]
4335 ){
4336   Tcl_Obj *pVar;
4337   if( objc!=2 ){
4338     Tcl_WrongNumArgs(interp, 1, objv, "VARIABLE");
4339     return TCL_ERROR;
4340   }
4341   pVar = Tcl_GetVar2Ex(interp, Tcl_GetString(objv[1]), 0, TCL_LEAVE_ERR_MSG);
4342   if( pVar==0 ) return TCL_ERROR;
4343   if( pVar->typePtr ){
4344     Tcl_SetObjResult(interp, Tcl_NewStringObj(pVar->typePtr->name, -1));
4345   }
4346   return TCL_OK;
4347 }
4348 
4349 /*
4350 ** Usage:  sqlite3_release_memory ?N?
4351 **
4352 ** Attempt to release memory currently held but not actually required.
4353 ** The integer N is the number of bytes we are trying to release.  The
4354 ** return value is the amount of memory actually released.
4355 */
4356 static int test_release_memory(
4357   void * clientData,
4358   Tcl_Interp *interp,
4359   int objc,
4360   Tcl_Obj *CONST objv[]
4361 ){
4362 #if defined(SQLITE_ENABLE_MEMORY_MANAGEMENT) && !defined(SQLITE_OMIT_DISKIO)
4363   int N;
4364   int amt;
4365   if( objc!=1 && objc!=2 ){
4366     Tcl_WrongNumArgs(interp, 1, objv, "?N?");
4367     return TCL_ERROR;
4368   }
4369   if( objc==2 ){
4370     if( Tcl_GetIntFromObj(interp, objv[1], &N) ) return TCL_ERROR;
4371   }else{
4372     N = -1;
4373   }
4374   amt = sqlite3_release_memory(N);
4375   Tcl_SetObjResult(interp, Tcl_NewIntObj(amt));
4376 #endif
4377   return TCL_OK;
4378 }
4379 
4380 /*
4381 ** Usage:  sqlite3_soft_heap_limit ?N?
4382 **
4383 ** Query or set the soft heap limit for the current thread.  The
4384 ** limit is only changed if the N is present.  The previous limit
4385 ** is returned.
4386 */
4387 static int test_soft_heap_limit(
4388   void * clientData,
4389   Tcl_Interp *interp,
4390   int objc,
4391   Tcl_Obj *CONST objv[]
4392 ){
4393   static int softHeapLimit = 0;
4394   int amt;
4395   if( objc!=1 && objc!=2 ){
4396     Tcl_WrongNumArgs(interp, 1, objv, "?N?");
4397     return TCL_ERROR;
4398   }
4399   amt = softHeapLimit;
4400   if( objc==2 ){
4401     int N;
4402     if( Tcl_GetIntFromObj(interp, objv[1], &N) ) return TCL_ERROR;
4403     sqlite3_soft_heap_limit(N);
4404     softHeapLimit = N;
4405   }
4406   Tcl_SetObjResult(interp, Tcl_NewIntObj(amt));
4407   return TCL_OK;
4408 }
4409 
4410 /*
4411 ** Usage:   sqlite3_thread_cleanup
4412 **
4413 ** Call the sqlite3_thread_cleanup API.
4414 */
4415 static int test_thread_cleanup(
4416   void * clientData,
4417   Tcl_Interp *interp,
4418   int objc,
4419   Tcl_Obj *CONST objv[]
4420 ){
4421 #ifndef SQLITE_OMIT_DEPRECATED
4422   sqlite3_thread_cleanup();
4423 #endif
4424   return TCL_OK;
4425 }
4426 
4427 /*
4428 ** Usage:   sqlite3_pager_refcounts  DB
4429 **
4430 ** Return a list of numbers which are the PagerRefcount for all
4431 ** pagers on each database connection.
4432 */
4433 static int test_pager_refcounts(
4434   void * clientData,
4435   Tcl_Interp *interp,
4436   int objc,
4437   Tcl_Obj *CONST objv[]
4438 ){
4439   sqlite3 *db;
4440   int i;
4441   int v, *a;
4442   Tcl_Obj *pResult;
4443 
4444   if( objc!=2 ){
4445     Tcl_AppendResult(interp, "wrong # args: should be \"",
4446         Tcl_GetStringFromObj(objv[0], 0), " DB", 0);
4447     return TCL_ERROR;
4448   }
4449   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
4450   pResult = Tcl_NewObj();
4451   for(i=0; i<db->nDb; i++){
4452     if( db->aDb[i].pBt==0 ){
4453       v = -1;
4454     }else{
4455       sqlite3_mutex_enter(db->mutex);
4456       a = sqlite3PagerStats(sqlite3BtreePager(db->aDb[i].pBt));
4457       v = a[0];
4458       sqlite3_mutex_leave(db->mutex);
4459     }
4460     Tcl_ListObjAppendElement(0, pResult, Tcl_NewIntObj(v));
4461   }
4462   Tcl_SetObjResult(interp, pResult);
4463   return TCL_OK;
4464 }
4465 
4466 
4467 /*
4468 ** tclcmd:   working_64bit_int
4469 **
4470 ** Some TCL builds (ex: cygwin) do not support 64-bit integers.  This
4471 ** leads to a number of test failures.  The present command checks the
4472 ** TCL build to see whether or not it supports 64-bit integers.  It
4473 ** returns TRUE if it does and FALSE if not.
4474 **
4475 ** This command is used to warn users that their TCL build is defective
4476 ** and that the errors they are seeing in the test scripts might be
4477 ** a result of their defective TCL rather than problems in SQLite.
4478 */
4479 static int working_64bit_int(
4480   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
4481   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
4482   int objc,              /* Number of arguments */
4483   Tcl_Obj *CONST objv[]  /* Command arguments */
4484 ){
4485   Tcl_Obj *pTestObj;
4486   int working = 0;
4487 
4488   pTestObj = Tcl_NewWideIntObj(1000000*(i64)1234567890);
4489   working = strcmp(Tcl_GetString(pTestObj), "1234567890000000")==0;
4490   Tcl_DecrRefCount(pTestObj);
4491   Tcl_SetObjResult(interp, Tcl_NewBooleanObj(working));
4492   return TCL_OK;
4493 }
4494 
4495 
4496 /*
4497 ** tclcmd:   vfs_unlink_test
4498 **
4499 ** This TCL command unregisters the primary VFS and then registers
4500 ** it back again.  This is used to test the ability to register a
4501 ** VFS when none are previously registered, and the ability to
4502 ** unregister the only available VFS.  Ticket #2738
4503 */
4504 static int vfs_unlink_test(
4505   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
4506   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
4507   int objc,              /* Number of arguments */
4508   Tcl_Obj *CONST objv[]  /* Command arguments */
4509 ){
4510   int i;
4511   sqlite3_vfs *pMain;
4512   sqlite3_vfs *apVfs[20];
4513   sqlite3_vfs one, two;
4514 
4515   sqlite3_vfs_unregister(0);   /* Unregister of NULL is harmless */
4516   one.zName = "__one";
4517   two.zName = "__two";
4518 
4519   /* Calling sqlite3_vfs_register with 2nd argument of 0 does not
4520   ** change the default VFS
4521   */
4522   pMain = sqlite3_vfs_find(0);
4523   sqlite3_vfs_register(&one, 0);
4524   assert( pMain==0 || pMain==sqlite3_vfs_find(0) );
4525   sqlite3_vfs_register(&two, 0);
4526   assert( pMain==0 || pMain==sqlite3_vfs_find(0) );
4527 
4528   /* We can find a VFS by its name */
4529   assert( sqlite3_vfs_find("__one")==&one );
4530   assert( sqlite3_vfs_find("__two")==&two );
4531 
4532   /* Calling sqlite_vfs_register with non-zero second parameter changes the
4533   ** default VFS, even if the 1st parameter is an existig VFS that is
4534   ** previously registered as the non-default.
4535   */
4536   sqlite3_vfs_register(&one, 1);
4537   assert( sqlite3_vfs_find("__one")==&one );
4538   assert( sqlite3_vfs_find("__two")==&two );
4539   assert( sqlite3_vfs_find(0)==&one );
4540   sqlite3_vfs_register(&two, 1);
4541   assert( sqlite3_vfs_find("__one")==&one );
4542   assert( sqlite3_vfs_find("__two")==&two );
4543   assert( sqlite3_vfs_find(0)==&two );
4544   if( pMain ){
4545     sqlite3_vfs_register(pMain, 1);
4546     assert( sqlite3_vfs_find("__one")==&one );
4547     assert( sqlite3_vfs_find("__two")==&two );
4548     assert( sqlite3_vfs_find(0)==pMain );
4549   }
4550 
4551   /* Unlink the default VFS.  Repeat until there are no more VFSes
4552   ** registered.
4553   */
4554   for(i=0; i<sizeof(apVfs)/sizeof(apVfs[0]); i++){
4555     apVfs[i] = sqlite3_vfs_find(0);
4556     if( apVfs[i] ){
4557       assert( apVfs[i]==sqlite3_vfs_find(apVfs[i]->zName) );
4558       sqlite3_vfs_unregister(apVfs[i]);
4559       assert( 0==sqlite3_vfs_find(apVfs[i]->zName) );
4560     }
4561   }
4562   assert( 0==sqlite3_vfs_find(0) );
4563 
4564   /* Register the main VFS as non-default (will be made default, since
4565   ** it'll be the only one in existence).
4566   */
4567   sqlite3_vfs_register(pMain, 0);
4568   assert( sqlite3_vfs_find(0)==pMain );
4569 
4570   /* Un-register the main VFS again to restore an empty VFS list */
4571   sqlite3_vfs_unregister(pMain);
4572   assert( 0==sqlite3_vfs_find(0) );
4573 
4574   /* Relink all VFSes in reverse order. */
4575   for(i=sizeof(apVfs)/sizeof(apVfs[0])-1; i>=0; i--){
4576     if( apVfs[i] ){
4577       sqlite3_vfs_register(apVfs[i], 1);
4578       assert( apVfs[i]==sqlite3_vfs_find(0) );
4579       assert( apVfs[i]==sqlite3_vfs_find(apVfs[i]->zName) );
4580     }
4581   }
4582 
4583   /* Unregister out sample VFSes. */
4584   sqlite3_vfs_unregister(&one);
4585   sqlite3_vfs_unregister(&two);
4586 
4587   /* Unregistering a VFS that is not currently registered is harmless */
4588   sqlite3_vfs_unregister(&one);
4589   sqlite3_vfs_unregister(&two);
4590   assert( sqlite3_vfs_find("__one")==0 );
4591   assert( sqlite3_vfs_find("__two")==0 );
4592 
4593   /* We should be left with the original default VFS back as the
4594   ** original */
4595   assert( sqlite3_vfs_find(0)==pMain );
4596 
4597   return TCL_OK;
4598 }
4599 
4600 /*
4601 ** tclcmd:   vfs_initfail_test
4602 **
4603 ** This TCL command attempts to vfs_find and vfs_register when the
4604 ** sqlite3_initialize() interface is failing.  All calls should fail.
4605 */
4606 static int vfs_initfail_test(
4607   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
4608   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
4609   int objc,              /* Number of arguments */
4610   Tcl_Obj *CONST objv[]  /* Command arguments */
4611 ){
4612   sqlite3_vfs one;
4613   one.zName = "__one";
4614 
4615   if( sqlite3_vfs_find(0) ) return TCL_ERROR;
4616   sqlite3_vfs_register(&one, 0);
4617   if( sqlite3_vfs_find(0) ) return TCL_ERROR;
4618   sqlite3_vfs_register(&one, 1);
4619   if( sqlite3_vfs_find(0) ) return TCL_ERROR;
4620   return TCL_OK;
4621 }
4622 
4623 /*
4624 ** Saved VFSes
4625 */
4626 static sqlite3_vfs *apVfs[20];
4627 static int nVfs = 0;
4628 
4629 /*
4630 ** tclcmd:   vfs_unregister_all
4631 **
4632 ** Unregister all VFSes.
4633 */
4634 static int vfs_unregister_all(
4635   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
4636   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
4637   int objc,              /* Number of arguments */
4638   Tcl_Obj *CONST objv[]  /* Command arguments */
4639 ){
4640   int i;
4641   for(i=0; i<ArraySize(apVfs); i++){
4642     apVfs[i] = sqlite3_vfs_find(0);
4643     if( apVfs[i]==0 ) break;
4644     sqlite3_vfs_unregister(apVfs[i]);
4645   }
4646   nVfs = i;
4647   return TCL_OK;
4648 }
4649 /*
4650 ** tclcmd:   vfs_reregister_all
4651 **
4652 ** Restore all VFSes that were removed using vfs_unregister_all
4653 */
4654 static int vfs_reregister_all(
4655   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
4656   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
4657   int objc,              /* Number of arguments */
4658   Tcl_Obj *CONST objv[]  /* Command arguments */
4659 ){
4660   int i;
4661   for(i=0; i<nVfs; i++){
4662     sqlite3_vfs_register(apVfs[i], i==0);
4663   }
4664   return TCL_OK;
4665 }
4666 
4667 
4668 /*
4669 ** tclcmd:   file_control_test DB
4670 **
4671 ** This TCL command runs the sqlite3_file_control interface and
4672 ** verifies correct operation of the same.
4673 */
4674 static int file_control_test(
4675   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
4676   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
4677   int objc,              /* Number of arguments */
4678   Tcl_Obj *CONST objv[]  /* Command arguments */
4679 ){
4680   int iArg = 0;
4681   sqlite3 *db;
4682   int rc;
4683 
4684   if( objc!=2 ){
4685     Tcl_AppendResult(interp, "wrong # args: should be \"",
4686         Tcl_GetStringFromObj(objv[0], 0), " DB", 0);
4687     return TCL_ERROR;
4688   }
4689   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
4690   rc = sqlite3_file_control(db, 0, 0, &iArg);
4691   assert( rc==SQLITE_ERROR );
4692   rc = sqlite3_file_control(db, "notadatabase", SQLITE_FCNTL_LOCKSTATE, &iArg);
4693   assert( rc==SQLITE_ERROR );
4694   rc = sqlite3_file_control(db, "main", -1, &iArg);
4695   assert( rc==SQLITE_ERROR );
4696   rc = sqlite3_file_control(db, "temp", -1, &iArg);
4697   assert( rc==SQLITE_ERROR );
4698 
4699   return TCL_OK;
4700 }
4701 
4702 
4703 /*
4704 ** tclcmd:   file_control_lasterrno_test DB
4705 **
4706 ** This TCL command runs the sqlite3_file_control interface and
4707 ** verifies correct operation of the SQLITE_LAST_ERRNO verb.
4708 */
4709 static int file_control_lasterrno_test(
4710   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
4711   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
4712   int objc,              /* Number of arguments */
4713   Tcl_Obj *CONST objv[]  /* Command arguments */
4714 ){
4715   int iArg = 0;
4716   sqlite3 *db;
4717   int rc;
4718 
4719   if( objc!=2 ){
4720     Tcl_AppendResult(interp, "wrong # args: should be \"",
4721         Tcl_GetStringFromObj(objv[0], 0), " DB", 0);
4722     return TCL_ERROR;
4723   }
4724   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ){
4725     return TCL_ERROR;
4726   }
4727   rc = sqlite3_file_control(db, NULL, SQLITE_LAST_ERRNO, &iArg);
4728   if( rc ){
4729     Tcl_SetObjResult(interp, Tcl_NewIntObj(rc));
4730     return TCL_ERROR;
4731   }
4732   if( iArg!=0 ) {
4733     Tcl_AppendResult(interp, "Unexpected non-zero errno: ",
4734                      Tcl_GetStringFromObj(Tcl_NewIntObj(iArg), 0), " ", 0);
4735     return TCL_ERROR;
4736   }
4737   return TCL_OK;
4738 }
4739 
4740 /*
4741 ** tclcmd:   file_control_chunksize_test DB DBNAME SIZE
4742 **
4743 ** This TCL command runs the sqlite3_file_control interface and
4744 ** verifies correct operation of the SQLITE_GET_LOCKPROXYFILE and
4745 ** SQLITE_SET_LOCKPROXYFILE verbs.
4746 */
4747 static int file_control_chunksize_test(
4748   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
4749   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
4750   int objc,              /* Number of arguments */
4751   Tcl_Obj *CONST objv[]  /* Command arguments */
4752 ){
4753   int nSize;                      /* New chunk size */
4754   char *zDb;                      /* Db name ("main", "temp" etc.) */
4755   sqlite3 *db;                    /* Database handle */
4756   int rc;                         /* file_control() return code */
4757 
4758   if( objc!=4 ){
4759     Tcl_WrongNumArgs(interp, 1, objv, "DB DBNAME SIZE");
4760     return TCL_ERROR;
4761   }
4762   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db)
4763    || Tcl_GetIntFromObj(interp, objv[3], &nSize)
4764   ){
4765    return TCL_ERROR;
4766   }
4767   zDb = Tcl_GetString(objv[2]);
4768   if( zDb[0]=='\0' ) zDb = NULL;
4769 
4770   rc = sqlite3_file_control(db, zDb, SQLITE_FCNTL_CHUNK_SIZE, (void *)&nSize);
4771   if( rc ){
4772     Tcl_SetResult(interp, (char *)sqlite3TestErrorName(rc), TCL_STATIC);
4773     return TCL_ERROR;
4774   }
4775   return TCL_OK;
4776 }
4777 
4778 /*
4779 ** tclcmd:   file_control_lockproxy_test DB PWD
4780 **
4781 ** This TCL command runs the sqlite3_file_control interface and
4782 ** verifies correct operation of the SQLITE_GET_LOCKPROXYFILE and
4783 ** SQLITE_SET_LOCKPROXYFILE verbs.
4784 */
4785 static int file_control_lockproxy_test(
4786   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
4787   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
4788   int objc,              /* Number of arguments */
4789   Tcl_Obj *CONST objv[]  /* Command arguments */
4790 ){
4791   sqlite3 *db;
4792   const char *zPwd;
4793   int nPwd;
4794 
4795   if( objc!=3 ){
4796     Tcl_AppendResult(interp, "wrong # args: should be \"",
4797                      Tcl_GetStringFromObj(objv[0], 0), " DB PWD", 0);
4798     return TCL_ERROR;
4799   }
4800   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ){
4801    return TCL_ERROR;
4802   }
4803   zPwd = Tcl_GetStringFromObj(objv[2], &nPwd);
4804 
4805 #if !defined(SQLITE_ENABLE_LOCKING_STYLE)
4806 #  if defined(__APPLE__)
4807 #    define SQLITE_ENABLE_LOCKING_STYLE 1
4808 #  else
4809 #    define SQLITE_ENABLE_LOCKING_STYLE 0
4810 #  endif
4811 #endif
4812 #if SQLITE_ENABLE_LOCKING_STYLE && defined(__APPLE__)
4813   {
4814     char *testPath;
4815     int rc;
4816     char proxyPath[400];
4817 
4818     if( sizeof(proxyPath)<nPwd+20 ){
4819       Tcl_AppendResult(interp, "PWD too big", (void*)0);
4820       return TCL_ERROR;
4821     }
4822     sprintf(proxyPath, "%s/test.proxy", zPwd);
4823     rc = sqlite3_file_control(db, NULL, SQLITE_SET_LOCKPROXYFILE, proxyPath);
4824     if( rc ){
4825       Tcl_SetObjResult(interp, Tcl_NewIntObj(rc));
4826       return TCL_ERROR;
4827     }
4828     rc = sqlite3_file_control(db, NULL, SQLITE_GET_LOCKPROXYFILE, &testPath);
4829     if( strncmp(proxyPath,testPath,11) ){
4830       Tcl_AppendResult(interp, "Lock proxy file did not match the "
4831                                "previously assigned value", 0);
4832       return TCL_ERROR;
4833     }
4834     if( rc ){
4835       Tcl_SetObjResult(interp, Tcl_NewIntObj(rc));
4836       return TCL_ERROR;
4837     }
4838     rc = sqlite3_file_control(db, NULL, SQLITE_SET_LOCKPROXYFILE, proxyPath);
4839     if( rc ){
4840       Tcl_SetObjResult(interp, Tcl_NewIntObj(rc));
4841       return TCL_ERROR;
4842     }
4843   }
4844 #endif
4845   return TCL_OK;
4846 }
4847 
4848 
4849 /*
4850 ** tclcmd:   sqlite3_vfs_list
4851 **
4852 **   Return a tcl list containing the names of all registered vfs's.
4853 */
4854 static int vfs_list(
4855   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
4856   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
4857   int objc,              /* Number of arguments */
4858   Tcl_Obj *CONST objv[]  /* Command arguments */
4859 ){
4860   sqlite3_vfs *pVfs;
4861   Tcl_Obj *pRet = Tcl_NewObj();
4862   if( objc!=1 ){
4863     Tcl_WrongNumArgs(interp, 1, objv, "");
4864     return TCL_ERROR;
4865   }
4866   for(pVfs=sqlite3_vfs_find(0); pVfs; pVfs=pVfs->pNext){
4867     Tcl_ListObjAppendElement(interp, pRet, Tcl_NewStringObj(pVfs->zName, -1));
4868   }
4869   Tcl_SetObjResult(interp, pRet);
4870   return TCL_OK;
4871 }
4872 
4873 /*
4874 ** tclcmd:   sqlite3_limit DB ID VALUE
4875 **
4876 ** This TCL command runs the sqlite3_limit interface and
4877 ** verifies correct operation of the same.
4878 */
4879 static int test_limit(
4880   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
4881   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
4882   int objc,              /* Number of arguments */
4883   Tcl_Obj *CONST objv[]  /* Command arguments */
4884 ){
4885   sqlite3 *db;
4886   int rc;
4887   static const struct {
4888      char *zName;
4889      int id;
4890   } aId[] = {
4891     { "SQLITE_LIMIT_LENGTH",              SQLITE_LIMIT_LENGTH               },
4892     { "SQLITE_LIMIT_SQL_LENGTH",          SQLITE_LIMIT_SQL_LENGTH           },
4893     { "SQLITE_LIMIT_COLUMN",              SQLITE_LIMIT_COLUMN               },
4894     { "SQLITE_LIMIT_EXPR_DEPTH",          SQLITE_LIMIT_EXPR_DEPTH           },
4895     { "SQLITE_LIMIT_COMPOUND_SELECT",     SQLITE_LIMIT_COMPOUND_SELECT      },
4896     { "SQLITE_LIMIT_VDBE_OP",             SQLITE_LIMIT_VDBE_OP              },
4897     { "SQLITE_LIMIT_FUNCTION_ARG",        SQLITE_LIMIT_FUNCTION_ARG         },
4898     { "SQLITE_LIMIT_ATTACHED",            SQLITE_LIMIT_ATTACHED             },
4899     { "SQLITE_LIMIT_LIKE_PATTERN_LENGTH", SQLITE_LIMIT_LIKE_PATTERN_LENGTH  },
4900     { "SQLITE_LIMIT_VARIABLE_NUMBER",     SQLITE_LIMIT_VARIABLE_NUMBER      },
4901     { "SQLITE_LIMIT_TRIGGER_DEPTH",       SQLITE_LIMIT_TRIGGER_DEPTH        },
4902 
4903     /* Out of range test cases */
4904     { "SQLITE_LIMIT_TOOSMALL",            -1,                               },
4905     { "SQLITE_LIMIT_TOOBIG",              SQLITE_LIMIT_TRIGGER_DEPTH+1      },
4906   };
4907   int i, id;
4908   int val;
4909   const char *zId;
4910 
4911   if( objc!=4 ){
4912     Tcl_AppendResult(interp, "wrong # args: should be \"",
4913         Tcl_GetStringFromObj(objv[0], 0), " DB ID VALUE", 0);
4914     return TCL_ERROR;
4915   }
4916   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
4917   zId = Tcl_GetString(objv[2]);
4918   for(i=0; i<sizeof(aId)/sizeof(aId[0]); i++){
4919     if( strcmp(zId, aId[i].zName)==0 ){
4920       id = aId[i].id;
4921       break;
4922     }
4923   }
4924   if( i>=sizeof(aId)/sizeof(aId[0]) ){
4925     Tcl_AppendResult(interp, "unknown limit type: ", zId, (char*)0);
4926     return TCL_ERROR;
4927   }
4928   if( Tcl_GetIntFromObj(interp, objv[3], &val) ) return TCL_ERROR;
4929   rc = sqlite3_limit(db, id, val);
4930   Tcl_SetObjResult(interp, Tcl_NewIntObj(rc));
4931   return TCL_OK;
4932 }
4933 
4934 /*
4935 ** tclcmd:  save_prng_state
4936 **
4937 ** Save the state of the pseudo-random number generator.
4938 ** At the same time, verify that sqlite3_test_control works even when
4939 ** called with an out-of-range opcode.
4940 */
4941 static int save_prng_state(
4942   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
4943   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
4944   int objc,              /* Number of arguments */
4945   Tcl_Obj *CONST objv[]  /* Command arguments */
4946 ){
4947   int rc = sqlite3_test_control(9999);
4948   assert( rc==0 );
4949   rc = sqlite3_test_control(-1);
4950   assert( rc==0 );
4951   sqlite3_test_control(SQLITE_TESTCTRL_PRNG_SAVE);
4952   return TCL_OK;
4953 }
4954 /*
4955 ** tclcmd:  restore_prng_state
4956 */
4957 static int restore_prng_state(
4958   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
4959   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
4960   int objc,              /* Number of arguments */
4961   Tcl_Obj *CONST objv[]  /* Command arguments */
4962 ){
4963   sqlite3_test_control(SQLITE_TESTCTRL_PRNG_RESTORE);
4964   return TCL_OK;
4965 }
4966 /*
4967 ** tclcmd:  reset_prng_state
4968 */
4969 static int reset_prng_state(
4970   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
4971   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
4972   int objc,              /* Number of arguments */
4973   Tcl_Obj *CONST objv[]  /* Command arguments */
4974 ){
4975   sqlite3_test_control(SQLITE_TESTCTRL_PRNG_RESET);
4976   return TCL_OK;
4977 }
4978 
4979 /*
4980 ** tclcmd:  pcache_stats
4981 */
4982 static int test_pcache_stats(
4983   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
4984   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
4985   int objc,              /* Number of arguments */
4986   Tcl_Obj *CONST objv[]  /* Command arguments */
4987 ){
4988   int nMin;
4989   int nMax;
4990   int nCurrent;
4991   int nRecyclable;
4992   Tcl_Obj *pRet;
4993 
4994   sqlite3PcacheStats(&nCurrent, &nMax, &nMin, &nRecyclable);
4995 
4996   pRet = Tcl_NewObj();
4997   Tcl_ListObjAppendElement(interp, pRet, Tcl_NewStringObj("current", -1));
4998   Tcl_ListObjAppendElement(interp, pRet, Tcl_NewIntObj(nCurrent));
4999   Tcl_ListObjAppendElement(interp, pRet, Tcl_NewStringObj("max", -1));
5000   Tcl_ListObjAppendElement(interp, pRet, Tcl_NewIntObj(nMax));
5001   Tcl_ListObjAppendElement(interp, pRet, Tcl_NewStringObj("min", -1));
5002   Tcl_ListObjAppendElement(interp, pRet, Tcl_NewIntObj(nMin));
5003   Tcl_ListObjAppendElement(interp, pRet, Tcl_NewStringObj("recyclable", -1));
5004   Tcl_ListObjAppendElement(interp, pRet, Tcl_NewIntObj(nRecyclable));
5005 
5006   Tcl_SetObjResult(interp, pRet);
5007 
5008   return TCL_OK;
5009 }
5010 
5011 #ifdef SQLITE_ENABLE_UNLOCK_NOTIFY
5012 static void test_unlock_notify_cb(void **aArg, int nArg){
5013   int ii;
5014   for(ii=0; ii<nArg; ii++){
5015     Tcl_EvalEx((Tcl_Interp *)aArg[ii], "unlock_notify", -1, TCL_EVAL_GLOBAL);
5016   }
5017 }
5018 #endif /* SQLITE_ENABLE_UNLOCK_NOTIFY */
5019 
5020 /*
5021 ** tclcmd:  sqlite3_unlock_notify db
5022 */
5023 #ifdef SQLITE_ENABLE_UNLOCK_NOTIFY
5024 static int test_unlock_notify(
5025   ClientData clientData, /* Unused */
5026   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
5027   int objc,              /* Number of arguments */
5028   Tcl_Obj *CONST objv[]  /* Command arguments */
5029 ){
5030   sqlite3 *db;
5031   int rc;
5032 
5033   if( objc!=2 ){
5034     Tcl_WrongNumArgs(interp, 1, objv, "DB");
5035     return TCL_ERROR;
5036   }
5037 
5038   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ){
5039     return TCL_ERROR;
5040   }
5041   rc = sqlite3_unlock_notify(db, test_unlock_notify_cb, (void *)interp);
5042   Tcl_SetResult(interp, (char *)t1ErrorName(rc), TCL_STATIC);
5043   return TCL_OK;
5044 }
5045 #endif
5046 
5047 /*
5048 ** tclcmd:  sqlite3_wal_checkpoint db ?NAME?
5049 */
5050 static int test_wal_checkpoint(
5051   ClientData clientData, /* Unused */
5052   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
5053   int objc,              /* Number of arguments */
5054   Tcl_Obj *CONST objv[]  /* Command arguments */
5055 ){
5056   char *zDb = 0;
5057   sqlite3 *db;
5058   int rc;
5059 
5060   if( objc!=3 && objc!=2 ){
5061     Tcl_WrongNumArgs(interp, 1, objv, "DB ?NAME?");
5062     return TCL_ERROR;
5063   }
5064 
5065   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ){
5066     return TCL_ERROR;
5067   }
5068   if( objc==3 ){
5069     zDb = Tcl_GetString(objv[2]);
5070   }
5071   rc = sqlite3_wal_checkpoint(db, zDb);
5072   Tcl_SetResult(interp, (char *)t1ErrorName(rc), TCL_STATIC);
5073   return TCL_OK;
5074 }
5075 
5076 /*
5077 ** tclcmd:  test_sqlite3_log ?SCRIPT?
5078 */
5079 static struct LogCallback {
5080   Tcl_Interp *pInterp;
5081   Tcl_Obj *pObj;
5082 } logcallback = {0, 0};
5083 static void xLogcallback(void *unused, int err, char *zMsg){
5084   Tcl_Obj *pNew = Tcl_DuplicateObj(logcallback.pObj);
5085   Tcl_IncrRefCount(pNew);
5086   Tcl_ListObjAppendElement(
5087       0, pNew, Tcl_NewStringObj(sqlite3TestErrorName(err), -1)
5088   );
5089   Tcl_ListObjAppendElement(0, pNew, Tcl_NewStringObj(zMsg, -1));
5090   Tcl_EvalObjEx(logcallback.pInterp, pNew, TCL_EVAL_GLOBAL|TCL_EVAL_DIRECT);
5091   Tcl_DecrRefCount(pNew);
5092 }
5093 static int test_sqlite3_log(
5094   ClientData clientData,
5095   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
5096   int objc,              /* Number of arguments */
5097   Tcl_Obj *CONST objv[]  /* Command arguments */
5098 ){
5099   if( objc>2 ){
5100     Tcl_WrongNumArgs(interp, 1, objv, "SCRIPT");
5101     return TCL_ERROR;
5102   }
5103   if( logcallback.pObj ){
5104     Tcl_DecrRefCount(logcallback.pObj);
5105     logcallback.pObj = 0;
5106     logcallback.pInterp = 0;
5107     sqlite3_config(SQLITE_CONFIG_LOG, 0, 0);
5108   }
5109   if( objc>1 ){
5110     logcallback.pObj = objv[1];
5111     Tcl_IncrRefCount(logcallback.pObj);
5112     logcallback.pInterp = interp;
5113     sqlite3_config(SQLITE_CONFIG_LOG, xLogcallback, 0);
5114   }
5115   return TCL_OK;
5116 }
5117 
5118 /*
5119 **     tcl_objproc COMMANDNAME ARGS...
5120 **
5121 ** Run a TCL command using its objProc interface.  Throw an error if
5122 ** the command has no objProc interface.
5123 */
5124 static int runAsObjProc(
5125   void * clientData,
5126   Tcl_Interp *interp,
5127   int objc,
5128   Tcl_Obj *CONST objv[]
5129 ){
5130   Tcl_CmdInfo cmdInfo;
5131   if( objc<2 ){
5132     Tcl_WrongNumArgs(interp, 1, objv, "COMMAND ...");
5133     return TCL_ERROR;
5134   }
5135   if( !Tcl_GetCommandInfo(interp, Tcl_GetString(objv[1]), &cmdInfo) ){
5136     Tcl_AppendResult(interp, "command not found: ",
5137            Tcl_GetString(objv[1]), (char*)0);
5138     return TCL_ERROR;
5139   }
5140   if( cmdInfo.objProc==0 ){
5141     Tcl_AppendResult(interp, "command has no objProc: ",
5142            Tcl_GetString(objv[1]), (char*)0);
5143     return TCL_ERROR;
5144   }
5145   return cmdInfo.objProc(cmdInfo.objClientData, interp, objc-1, objv+1);
5146 }
5147 
5148 
5149 /*
5150 ** Register commands with the TCL interpreter.
5151 */
5152 int Sqlitetest1_Init(Tcl_Interp *interp){
5153   extern int sqlite3_search_count;
5154   extern int sqlite3_found_count;
5155   extern int sqlite3_interrupt_count;
5156   extern int sqlite3_open_file_count;
5157   extern int sqlite3_sort_count;
5158   extern int sqlite3_current_time;
5159 #if SQLITE_OS_UNIX && defined(__APPLE__) && SQLITE_ENABLE_LOCKING_STYLE
5160   extern int sqlite3_hostid_num;
5161 #endif
5162   extern int sqlite3_max_blobsize;
5163   extern int sqlite3BtreeSharedCacheReport(void*,
5164                                           Tcl_Interp*,int,Tcl_Obj*CONST*);
5165   static struct {
5166      char *zName;
5167      Tcl_CmdProc *xProc;
5168   } aCmd[] = {
5169      { "db_enter",                      (Tcl_CmdProc*)db_enter               },
5170      { "db_leave",                      (Tcl_CmdProc*)db_leave               },
5171      { "sqlite3_mprintf_int",           (Tcl_CmdProc*)sqlite3_mprintf_int    },
5172      { "sqlite3_mprintf_int64",         (Tcl_CmdProc*)sqlite3_mprintf_int64  },
5173      { "sqlite3_mprintf_long",          (Tcl_CmdProc*)sqlite3_mprintf_long   },
5174      { "sqlite3_mprintf_str",           (Tcl_CmdProc*)sqlite3_mprintf_str    },
5175      { "sqlite3_snprintf_str",          (Tcl_CmdProc*)sqlite3_snprintf_str   },
5176      { "sqlite3_mprintf_stronly",       (Tcl_CmdProc*)sqlite3_mprintf_stronly},
5177      { "sqlite3_mprintf_double",        (Tcl_CmdProc*)sqlite3_mprintf_double },
5178      { "sqlite3_mprintf_scaled",        (Tcl_CmdProc*)sqlite3_mprintf_scaled },
5179      { "sqlite3_mprintf_hexdouble",   (Tcl_CmdProc*)sqlite3_mprintf_hexdouble},
5180      { "sqlite3_mprintf_z_test",        (Tcl_CmdProc*)test_mprintf_z        },
5181      { "sqlite3_mprintf_n_test",        (Tcl_CmdProc*)test_mprintf_n        },
5182      { "sqlite3_snprintf_int",          (Tcl_CmdProc*)test_snprintf_int     },
5183      { "sqlite3_last_insert_rowid",     (Tcl_CmdProc*)test_last_rowid       },
5184      { "sqlite3_exec_printf",           (Tcl_CmdProc*)test_exec_printf      },
5185      { "sqlite3_exec_hex",              (Tcl_CmdProc*)test_exec_hex         },
5186      { "sqlite3_exec",                  (Tcl_CmdProc*)test_exec             },
5187      { "sqlite3_exec_nr",               (Tcl_CmdProc*)test_exec_nr          },
5188 #ifndef SQLITE_OMIT_GET_TABLE
5189      { "sqlite3_get_table_printf",      (Tcl_CmdProc*)test_get_table_printf },
5190 #endif
5191      { "sqlite3_close",                 (Tcl_CmdProc*)sqlite_test_close     },
5192      { "sqlite3_create_function",       (Tcl_CmdProc*)test_create_function  },
5193      { "sqlite3_create_aggregate",      (Tcl_CmdProc*)test_create_aggregate },
5194      { "sqlite_register_test_function", (Tcl_CmdProc*)test_register_func    },
5195      { "sqlite_abort",                  (Tcl_CmdProc*)sqlite_abort          },
5196      { "sqlite_bind",                   (Tcl_CmdProc*)test_bind             },
5197      { "breakpoint",                    (Tcl_CmdProc*)test_breakpoint       },
5198      { "sqlite3_key",                   (Tcl_CmdProc*)test_key              },
5199      { "sqlite3_rekey",                 (Tcl_CmdProc*)test_rekey            },
5200      { "sqlite_set_magic",              (Tcl_CmdProc*)sqlite_set_magic      },
5201      { "sqlite3_interrupt",             (Tcl_CmdProc*)test_interrupt        },
5202      { "sqlite_delete_function",        (Tcl_CmdProc*)delete_function       },
5203      { "sqlite_delete_collation",       (Tcl_CmdProc*)delete_collation      },
5204      { "sqlite3_get_autocommit",        (Tcl_CmdProc*)get_autocommit        },
5205      { "sqlite3_stack_used",            (Tcl_CmdProc*)test_stack_used       },
5206      { "sqlite3_busy_timeout",          (Tcl_CmdProc*)test_busy_timeout     },
5207      { "printf",                        (Tcl_CmdProc*)test_printf           },
5208      { "sqlite3IoTrace",              (Tcl_CmdProc*)test_io_trace         },
5209   };
5210   static struct {
5211      char *zName;
5212      Tcl_ObjCmdProc *xProc;
5213      void *clientData;
5214   } aObjCmd[] = {
5215      { "sqlite3_connection_pointer",    get_sqlite_pointer, 0 },
5216      { "sqlite3_bind_int",              test_bind_int,      0 },
5217      { "sqlite3_bind_zeroblob",         test_bind_zeroblob, 0 },
5218      { "sqlite3_bind_int64",            test_bind_int64,    0 },
5219      { "sqlite3_bind_double",           test_bind_double,   0 },
5220      { "sqlite3_bind_null",             test_bind_null     ,0 },
5221      { "sqlite3_bind_text",             test_bind_text     ,0 },
5222      { "sqlite3_bind_text16",           test_bind_text16   ,0 },
5223      { "sqlite3_bind_blob",             test_bind_blob     ,0 },
5224      { "sqlite3_bind_parameter_count",  test_bind_parameter_count, 0},
5225      { "sqlite3_bind_parameter_name",   test_bind_parameter_name,  0},
5226      { "sqlite3_bind_parameter_index",  test_bind_parameter_index, 0},
5227      { "sqlite3_clear_bindings",        test_clear_bindings, 0},
5228      { "sqlite3_sleep",                 test_sleep,          0},
5229      { "sqlite3_errcode",               test_errcode       ,0 },
5230      { "sqlite3_extended_errcode",      test_ex_errcode    ,0 },
5231      { "sqlite3_errmsg",                test_errmsg        ,0 },
5232      { "sqlite3_errmsg16",              test_errmsg16      ,0 },
5233      { "sqlite3_open",                  test_open          ,0 },
5234      { "sqlite3_open16",                test_open16        ,0 },
5235      { "sqlite3_complete16",            test_complete16    ,0 },
5236 
5237      { "sqlite3_prepare",               test_prepare       ,0 },
5238      { "sqlite3_prepare16",             test_prepare16     ,0 },
5239      { "sqlite3_prepare_v2",            test_prepare_v2    ,0 },
5240      { "sqlite3_prepare_tkt3134",       test_prepare_tkt3134, 0},
5241      { "sqlite3_prepare16_v2",          test_prepare16_v2  ,0 },
5242      { "sqlite3_finalize",              test_finalize      ,0 },
5243      { "sqlite3_stmt_status",           test_stmt_status   ,0 },
5244      { "sqlite3_reset",                 test_reset         ,0 },
5245      { "sqlite3_expired",               test_expired       ,0 },
5246      { "sqlite3_transfer_bindings",     test_transfer_bind ,0 },
5247      { "sqlite3_changes",               test_changes       ,0 },
5248      { "sqlite3_step",                  test_step          ,0 },
5249      { "sqlite3_sql",                   test_sql           ,0 },
5250      { "sqlite3_next_stmt",             test_next_stmt     ,0 },
5251 
5252      { "sqlite3_release_memory",        test_release_memory,     0},
5253      { "sqlite3_soft_heap_limit",       test_soft_heap_limit,    0},
5254      { "sqlite3_thread_cleanup",        test_thread_cleanup,     0},
5255      { "sqlite3_pager_refcounts",       test_pager_refcounts,    0},
5256 
5257      { "sqlite3_load_extension",        test_load_extension,     0},
5258      { "sqlite3_enable_load_extension", test_enable_load,        0},
5259      { "sqlite3_extended_result_codes", test_extended_result_codes, 0},
5260      { "sqlite3_limit",                 test_limit,                 0},
5261 
5262      { "save_prng_state",               save_prng_state,    0 },
5263      { "restore_prng_state",            restore_prng_state, 0 },
5264      { "reset_prng_state",              reset_prng_state,   0 },
5265      { "tcl_objproc",                   runAsObjProc,       0 },
5266 
5267      /* sqlite3_column_*() API */
5268      { "sqlite3_column_count",          test_column_count  ,0 },
5269      { "sqlite3_data_count",            test_data_count    ,0 },
5270      { "sqlite3_column_type",           test_column_type   ,0 },
5271      { "sqlite3_column_blob",           test_column_blob   ,0 },
5272      { "sqlite3_column_double",         test_column_double ,0 },
5273      { "sqlite3_column_int64",          test_column_int64  ,0 },
5274      { "sqlite3_column_text",   test_stmt_utf8,  (void*)sqlite3_column_text },
5275      { "sqlite3_column_name",   test_stmt_utf8,  (void*)sqlite3_column_name },
5276      { "sqlite3_column_int",    test_stmt_int,   (void*)sqlite3_column_int  },
5277      { "sqlite3_column_bytes",  test_stmt_int,   (void*)sqlite3_column_bytes},
5278 #ifndef SQLITE_OMIT_DECLTYPE
5279      { "sqlite3_column_decltype",test_stmt_utf8,(void*)sqlite3_column_decltype},
5280 #endif
5281 #ifdef SQLITE_ENABLE_COLUMN_METADATA
5282 { "sqlite3_column_database_name",test_stmt_utf8,(void*)sqlite3_column_database_name},
5283 { "sqlite3_column_table_name",test_stmt_utf8,(void*)sqlite3_column_table_name},
5284 { "sqlite3_column_origin_name",test_stmt_utf8,(void*)sqlite3_column_origin_name},
5285 #endif
5286 
5287 #ifndef SQLITE_OMIT_UTF16
5288      { "sqlite3_column_bytes16", test_stmt_int, (void*)sqlite3_column_bytes16 },
5289      { "sqlite3_column_text16",  test_stmt_utf16, (void*)sqlite3_column_text16},
5290      { "sqlite3_column_name16",  test_stmt_utf16, (void*)sqlite3_column_name16},
5291      { "add_alignment_test_collations", add_alignment_test_collations, 0      },
5292 #ifndef SQLITE_OMIT_DECLTYPE
5293      { "sqlite3_column_decltype16",test_stmt_utf16,(void*)sqlite3_column_decltype16},
5294 #endif
5295 #ifdef SQLITE_ENABLE_COLUMN_METADATA
5296 {"sqlite3_column_database_name16",
5297   test_stmt_utf16, sqlite3_column_database_name16},
5298 {"sqlite3_column_table_name16", test_stmt_utf16, (void*)sqlite3_column_table_name16},
5299 {"sqlite3_column_origin_name16", test_stmt_utf16, (void*)sqlite3_column_origin_name16},
5300 #endif
5301 #endif
5302      { "sqlite3_create_collation_v2", test_create_collation_v2, 0 },
5303      { "sqlite3_global_recover",     test_global_recover, 0   },
5304      { "working_64bit_int",          working_64bit_int,   0   },
5305      { "vfs_unlink_test",            vfs_unlink_test,     0   },
5306      { "vfs_initfail_test",          vfs_initfail_test,   0   },
5307      { "vfs_unregister_all",         vfs_unregister_all,  0   },
5308      { "vfs_reregister_all",         vfs_reregister_all,  0   },
5309      { "file_control_test",          file_control_test,   0   },
5310      { "file_control_lasterrno_test", file_control_lasterrno_test,  0   },
5311      { "file_control_lockproxy_test", file_control_lockproxy_test,  0   },
5312      { "file_control_chunksize_test", file_control_chunksize_test,  0   },
5313      { "sqlite3_vfs_list",           vfs_list,     0   },
5314      { "sqlite3_create_function_v2", test_create_function_v2, 0 },
5315 
5316      /* Functions from os.h */
5317 #ifndef SQLITE_OMIT_UTF16
5318      { "add_test_collate",        test_collate, 0            },
5319      { "add_test_collate_needed", test_collate_needed, 0     },
5320      { "add_test_function",       test_function, 0           },
5321 #endif
5322      { "sqlite3_test_errstr",     test_errstr, 0             },
5323      { "tcl_variable_type",       tcl_variable_type, 0       },
5324 #ifndef SQLITE_OMIT_SHARED_CACHE
5325      { "sqlite3_enable_shared_cache", test_enable_shared, 0  },
5326      { "sqlite3_shared_cache_report", sqlite3BtreeSharedCacheReport, 0},
5327 #endif
5328      { "sqlite3_libversion_number", test_libversion_number, 0  },
5329 #ifdef SQLITE_ENABLE_COLUMN_METADATA
5330      { "sqlite3_table_column_metadata", test_table_column_metadata, 0  },
5331 #endif
5332 #ifndef SQLITE_OMIT_INCRBLOB
5333      { "sqlite3_blob_read",  test_blob_read, 0  },
5334      { "sqlite3_blob_write", test_blob_write, 0  },
5335 #endif
5336      { "pcache_stats",       test_pcache_stats, 0  },
5337 #ifdef SQLITE_ENABLE_UNLOCK_NOTIFY
5338      { "sqlite3_unlock_notify", test_unlock_notify, 0  },
5339 #endif
5340      { "sqlite3_wal_checkpoint", test_wal_checkpoint, 0  },
5341      { "test_sqlite3_log",     test_sqlite3_log, 0  },
5342   };
5343   static int bitmask_size = sizeof(Bitmask)*8;
5344   int i;
5345   extern int sqlite3_sync_count, sqlite3_fullsync_count;
5346   extern int sqlite3_opentemp_count;
5347   extern int sqlite3_like_count;
5348   extern int sqlite3_xferopt_count;
5349   extern int sqlite3_pager_readdb_count;
5350   extern int sqlite3_pager_writedb_count;
5351   extern int sqlite3_pager_writej_count;
5352 #if SQLITE_OS_WIN
5353   extern int sqlite3_os_type;
5354 #endif
5355 #ifdef SQLITE_DEBUG
5356   extern int sqlite3WhereTrace;
5357   extern int sqlite3OSTrace;
5358   extern int sqlite3VdbeAddopTrace;
5359   extern int sqlite3WalTrace;
5360 #endif
5361 #ifdef SQLITE_TEST
5362   extern char sqlite3_query_plan[];
5363   static char *query_plan = sqlite3_query_plan;
5364 #ifdef SQLITE_ENABLE_FTS3
5365   extern int sqlite3_fts3_enable_parentheses;
5366 #endif
5367 #endif
5368 
5369   for(i=0; i<sizeof(aCmd)/sizeof(aCmd[0]); i++){
5370     Tcl_CreateCommand(interp, aCmd[i].zName, aCmd[i].xProc, 0, 0);
5371   }
5372   for(i=0; i<sizeof(aObjCmd)/sizeof(aObjCmd[0]); i++){
5373     Tcl_CreateObjCommand(interp, aObjCmd[i].zName,
5374         aObjCmd[i].xProc, aObjCmd[i].clientData, 0);
5375   }
5376   Tcl_LinkVar(interp, "sqlite_search_count",
5377       (char*)&sqlite3_search_count, TCL_LINK_INT);
5378   Tcl_LinkVar(interp, "sqlite_found_count",
5379       (char*)&sqlite3_found_count, TCL_LINK_INT);
5380   Tcl_LinkVar(interp, "sqlite_sort_count",
5381       (char*)&sqlite3_sort_count, TCL_LINK_INT);
5382   Tcl_LinkVar(interp, "sqlite3_max_blobsize",
5383       (char*)&sqlite3_max_blobsize, TCL_LINK_INT);
5384   Tcl_LinkVar(interp, "sqlite_like_count",
5385       (char*)&sqlite3_like_count, TCL_LINK_INT);
5386   Tcl_LinkVar(interp, "sqlite_interrupt_count",
5387       (char*)&sqlite3_interrupt_count, TCL_LINK_INT);
5388   Tcl_LinkVar(interp, "sqlite_open_file_count",
5389       (char*)&sqlite3_open_file_count, TCL_LINK_INT);
5390   Tcl_LinkVar(interp, "sqlite_current_time",
5391       (char*)&sqlite3_current_time, TCL_LINK_INT);
5392 #if SQLITE_OS_UNIX && defined(__APPLE__) && SQLITE_ENABLE_LOCKING_STYLE
5393   Tcl_LinkVar(interp, "sqlite_hostid_num",
5394       (char*)&sqlite3_hostid_num, TCL_LINK_INT);
5395 #endif
5396   Tcl_LinkVar(interp, "sqlite3_xferopt_count",
5397       (char*)&sqlite3_xferopt_count, TCL_LINK_INT);
5398   Tcl_LinkVar(interp, "sqlite3_pager_readdb_count",
5399       (char*)&sqlite3_pager_readdb_count, TCL_LINK_INT);
5400   Tcl_LinkVar(interp, "sqlite3_pager_writedb_count",
5401       (char*)&sqlite3_pager_writedb_count, TCL_LINK_INT);
5402   Tcl_LinkVar(interp, "sqlite3_pager_writej_count",
5403       (char*)&sqlite3_pager_writej_count, TCL_LINK_INT);
5404 #ifndef SQLITE_OMIT_UTF16
5405   Tcl_LinkVar(interp, "unaligned_string_counter",
5406       (char*)&unaligned_string_counter, TCL_LINK_INT);
5407 #endif
5408 #ifndef SQLITE_OMIT_UTF16
5409   Tcl_LinkVar(interp, "sqlite_last_needed_collation",
5410       (char*)&pzNeededCollation, TCL_LINK_STRING|TCL_LINK_READ_ONLY);
5411 #endif
5412 #if SQLITE_OS_WIN
5413   Tcl_LinkVar(interp, "sqlite_os_type",
5414       (char*)&sqlite3_os_type, TCL_LINK_INT);
5415 #endif
5416 #ifdef SQLITE_TEST
5417   Tcl_LinkVar(interp, "sqlite_query_plan",
5418       (char*)&query_plan, TCL_LINK_STRING|TCL_LINK_READ_ONLY);
5419 #endif
5420 #ifdef SQLITE_DEBUG
5421   Tcl_LinkVar(interp, "sqlite_addop_trace",
5422       (char*)&sqlite3VdbeAddopTrace, TCL_LINK_INT);
5423   Tcl_LinkVar(interp, "sqlite_where_trace",
5424       (char*)&sqlite3WhereTrace, TCL_LINK_INT);
5425   Tcl_LinkVar(interp, "sqlite_os_trace",
5426       (char*)&sqlite3OSTrace, TCL_LINK_INT);
5427 #ifndef SQLITE_OMIT_WAL
5428   Tcl_LinkVar(interp, "sqlite_wal_trace",
5429       (char*)&sqlite3WalTrace, TCL_LINK_INT);
5430 #endif
5431 #endif
5432 #ifndef SQLITE_OMIT_DISKIO
5433   Tcl_LinkVar(interp, "sqlite_opentemp_count",
5434       (char*)&sqlite3_opentemp_count, TCL_LINK_INT);
5435 #endif
5436   Tcl_LinkVar(interp, "sqlite_static_bind_value",
5437       (char*)&sqlite_static_bind_value, TCL_LINK_STRING);
5438   Tcl_LinkVar(interp, "sqlite_static_bind_nbyte",
5439       (char*)&sqlite_static_bind_nbyte, TCL_LINK_INT);
5440   Tcl_LinkVar(interp, "sqlite_temp_directory",
5441       (char*)&sqlite3_temp_directory, TCL_LINK_STRING);
5442   Tcl_LinkVar(interp, "bitmask_size",
5443       (char*)&bitmask_size, TCL_LINK_INT|TCL_LINK_READ_ONLY);
5444   Tcl_LinkVar(interp, "sqlite_sync_count",
5445       (char*)&sqlite3_sync_count, TCL_LINK_INT);
5446   Tcl_LinkVar(interp, "sqlite_fullsync_count",
5447       (char*)&sqlite3_fullsync_count, TCL_LINK_INT);
5448 #if defined(SQLITE_ENABLE_FTS3) && defined(SQLITE_TEST)
5449   Tcl_LinkVar(interp, "sqlite_fts3_enable_parentheses",
5450       (char*)&sqlite3_fts3_enable_parentheses, TCL_LINK_INT);
5451 #endif
5452   return TCL_OK;
5453 }
5454