xref: /sqlite-3.40.0/src/test1.c (revision 37874d7d)
1 /*
2 ** 2001 September 15
3 **
4 ** The author disclaims copyright to this source code.  In place of
5 ** a legal notice, here is a blessing:
6 **
7 **    May you do good and not evil.
8 **    May you find forgiveness for yourself and forgive others.
9 **    May you share freely, never taking more than you give.
10 **
11 *************************************************************************
12 ** Code for testing all sorts of SQLite interfaces.  This code
13 ** is not included in the SQLite library.  It is used for automated
14 ** testing of the SQLite library.
15 */
16 #include "sqliteInt.h"
17 #if SQLITE_OS_WIN
18 #  include "os_win.h"
19 #endif
20 
21 #include "vdbeInt.h"
22 #if defined(INCLUDE_SQLITE_TCL_H)
23 #  include "sqlite_tcl.h"
24 #else
25 #  include "tcl.h"
26 #endif
27 #include <stdlib.h>
28 #include <string.h>
29 
30 /*
31 ** This is a copy of the first part of the SqliteDb structure in
32 ** tclsqlite.c.  We need it here so that the get_sqlite_pointer routine
33 ** can extract the sqlite3* pointer from an existing Tcl SQLite
34 ** connection.
35 */
36 struct SqliteDb {
37   sqlite3 *db;
38 };
39 
40 /*
41 ** Convert text generated by the "%p" conversion format back into
42 ** a pointer.
43 */
44 static int testHexToInt(int h){
45   if( h>='0' && h<='9' ){
46     return h - '0';
47   }else if( h>='a' && h<='f' ){
48     return h - 'a' + 10;
49   }else{
50     assert( h>='A' && h<='F' );
51     return h - 'A' + 10;
52   }
53 }
54 void *sqlite3TestTextToPtr(const char *z){
55   void *p;
56   u64 v;
57   u32 v2;
58   if( z[0]=='0' && z[1]=='x' ){
59     z += 2;
60   }
61   v = 0;
62   while( *z ){
63     v = (v<<4) + testHexToInt(*z);
64     z++;
65   }
66   if( sizeof(p)==sizeof(v) ){
67     memcpy(&p, &v, sizeof(p));
68   }else{
69     assert( sizeof(p)==sizeof(v2) );
70     v2 = (u32)v;
71     memcpy(&p, &v2, sizeof(p));
72   }
73   return p;
74 }
75 
76 
77 /*
78 ** A TCL command that returns the address of the sqlite* pointer
79 ** for an sqlite connection instance.  Bad things happen if the
80 ** input is not an sqlite connection.
81 */
82 static int SQLITE_TCLAPI get_sqlite_pointer(
83   void * clientData,
84   Tcl_Interp *interp,
85   int objc,
86   Tcl_Obj *CONST objv[]
87 ){
88   struct SqliteDb *p;
89   Tcl_CmdInfo cmdInfo;
90   char zBuf[100];
91   if( objc!=2 ){
92     Tcl_WrongNumArgs(interp, 1, objv, "SQLITE-CONNECTION");
93     return TCL_ERROR;
94   }
95   if( !Tcl_GetCommandInfo(interp, Tcl_GetString(objv[1]), &cmdInfo) ){
96     Tcl_AppendResult(interp, "command not found: ",
97            Tcl_GetString(objv[1]), (char*)0);
98     return TCL_ERROR;
99   }
100   p = (struct SqliteDb*)cmdInfo.objClientData;
101   sqlite3_snprintf(sizeof(zBuf), zBuf, "%p", p->db);
102   Tcl_AppendResult(interp, zBuf, 0);
103   return TCL_OK;
104 }
105 
106 /*
107 ** Decode a pointer to an sqlite3 object.
108 */
109 int getDbPointer(Tcl_Interp *interp, const char *zA, sqlite3 **ppDb){
110   struct SqliteDb *p;
111   Tcl_CmdInfo cmdInfo;
112   if( Tcl_GetCommandInfo(interp, zA, &cmdInfo) ){
113     p = (struct SqliteDb*)cmdInfo.objClientData;
114     *ppDb = p->db;
115   }else{
116     *ppDb = (sqlite3*)sqlite3TestTextToPtr(zA);
117   }
118   return TCL_OK;
119 }
120 
121 #if SQLITE_OS_WIN
122 /*
123 ** Decode a Win32 HANDLE object.
124 */
125 int getWin32Handle(Tcl_Interp *interp, const char *zA, LPHANDLE phFile){
126   *phFile = (HANDLE)sqlite3TestTextToPtr(zA);
127   return TCL_OK;
128 }
129 #endif
130 
131 extern const char *sqlite3ErrName(int);
132 #define t1ErrorName sqlite3ErrName
133 
134 /*
135 ** Convert an sqlite3_stmt* into an sqlite3*.  This depends on the
136 ** fact that the sqlite3* is the first field in the Vdbe structure.
137 */
138 #define StmtToDb(X)   sqlite3_db_handle(X)
139 
140 /*
141 ** Check a return value to make sure it agrees with the results
142 ** from sqlite3_errcode.
143 */
144 int sqlite3TestErrCode(Tcl_Interp *interp, sqlite3 *db, int rc){
145   if( sqlite3_threadsafe()==0 && rc!=SQLITE_MISUSE && rc!=SQLITE_OK
146    && sqlite3_errcode(db)!=rc ){
147     char zBuf[200];
148     int r2 = sqlite3_errcode(db);
149     sqlite3_snprintf(sizeof(zBuf), zBuf,
150        "error code %s (%d) does not match sqlite3_errcode %s (%d)",
151        t1ErrorName(rc), rc, t1ErrorName(r2), r2);
152     Tcl_ResetResult(interp);
153     Tcl_AppendResult(interp, zBuf, 0);
154     return 1;
155   }
156   return 0;
157 }
158 
159 /*
160 ** Decode a pointer to an sqlite3_stmt object.
161 */
162 static int getStmtPointer(
163   Tcl_Interp *interp,
164   const char *zArg,
165   sqlite3_stmt **ppStmt
166 ){
167   *ppStmt = (sqlite3_stmt*)sqlite3TestTextToPtr(zArg);
168   return TCL_OK;
169 }
170 
171 /*
172 ** Generate a text representation of a pointer that can be understood
173 ** by the getDbPointer and getVmPointer routines above.
174 **
175 ** The problem is, on some machines (Solaris) if you do a printf with
176 ** "%p" you cannot turn around and do a scanf with the same "%p" and
177 ** get your pointer back.  You have to prepend a "0x" before it will
178 ** work.  Or at least that is what is reported to me (drh).  But this
179 ** behavior varies from machine to machine.  The solution used her is
180 ** to test the string right after it is generated to see if it can be
181 ** understood by scanf, and if not, try prepending an "0x" to see if
182 ** that helps.  If nothing works, a fatal error is generated.
183 */
184 int sqlite3TestMakePointerStr(Tcl_Interp *interp, char *zPtr, void *p){
185   sqlite3_snprintf(100, zPtr, "%p", p);
186   return TCL_OK;
187 }
188 
189 /*
190 ** The callback routine for sqlite3_exec_printf().
191 */
192 static int exec_printf_cb(void *pArg, int argc, char **argv, char **name){
193   Tcl_DString *str = (Tcl_DString*)pArg;
194   int i;
195 
196   if( Tcl_DStringLength(str)==0 ){
197     for(i=0; i<argc; i++){
198       Tcl_DStringAppendElement(str, name[i] ? name[i] : "NULL");
199     }
200   }
201   for(i=0; i<argc; i++){
202     Tcl_DStringAppendElement(str, argv[i] ? argv[i] : "NULL");
203   }
204   return 0;
205 }
206 
207 /*
208 ** The I/O tracing callback.
209 */
210 #if !defined(SQLITE_OMIT_TRACE) && defined(SQLITE_ENABLE_IOTRACE)
211 static FILE *iotrace_file = 0;
212 static void io_trace_callback(const char *zFormat, ...){
213   va_list ap;
214   va_start(ap, zFormat);
215   vfprintf(iotrace_file, zFormat, ap);
216   va_end(ap);
217   fflush(iotrace_file);
218 }
219 #endif
220 
221 /*
222 ** Usage:  io_trace FILENAME
223 **
224 ** Turn I/O tracing on or off.  If FILENAME is not an empty string,
225 ** I/O tracing begins going into FILENAME. If FILENAME is an empty
226 ** string, I/O tracing is turned off.
227 */
228 static int SQLITE_TCLAPI test_io_trace(
229   void *NotUsed,
230   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
231   int argc,              /* Number of arguments */
232   char **argv            /* Text of each argument */
233 ){
234 #if !defined(SQLITE_OMIT_TRACE) && defined(SQLITE_ENABLE_IOTRACE)
235   if( argc!=2 ){
236     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
237           " FILENAME\"", 0);
238     return TCL_ERROR;
239   }
240   if( iotrace_file ){
241     if( iotrace_file!=stdout && iotrace_file!=stderr ){
242       fclose(iotrace_file);
243     }
244     iotrace_file = 0;
245     sqlite3IoTrace = 0;
246   }
247   if( argv[1][0] ){
248     if( strcmp(argv[1],"stdout")==0 ){
249       iotrace_file = stdout;
250     }else if( strcmp(argv[1],"stderr")==0 ){
251       iotrace_file = stderr;
252     }else{
253       iotrace_file = fopen(argv[1], "w");
254     }
255     sqlite3IoTrace = io_trace_callback;
256   }
257 #endif
258   return TCL_OK;
259 }
260 
261 /*
262 ** Usage:  clang_sanitize_address
263 **
264 ** Returns true if the program was compiled using clang with the
265 ** -fsanitize=address switch on the command line. False otherwise.
266 **
267 ** Also return true if the OMIT_MISUSE environment variable exists.
268 */
269 static int SQLITE_TCLAPI clang_sanitize_address(
270   void *NotUsed,
271   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
272   int argc,              /* Number of arguments */
273   char **argv            /* Text of each argument */
274 ){
275   int res = 0;
276 #if defined(__has_feature)
277 # if __has_feature(address_sanitizer)
278   res = 1;
279 # endif
280 #endif
281 #ifdef __SANITIZE_ADDRESS__
282   res = 1;
283 #endif
284   if( res==0 && getenv("OMIT_MISUSE")!=0 ) res = 1;
285   Tcl_SetObjResult(interp, Tcl_NewIntObj(res));
286   return TCL_OK;
287 }
288 
289 /*
290 ** Usage:  sqlite3_exec_printf  DB  FORMAT  STRING
291 **
292 ** Invoke the sqlite3_exec_printf() interface using the open database
293 ** DB.  The SQL is the string FORMAT.  The format string should contain
294 ** one %s or %q.  STRING is the value inserted into %s or %q.
295 */
296 static int SQLITE_TCLAPI test_exec_printf(
297   void *NotUsed,
298   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
299   int argc,              /* Number of arguments */
300   char **argv            /* Text of each argument */
301 ){
302   sqlite3 *db;
303   Tcl_DString str;
304   int rc;
305   char *zErr = 0;
306   char *zSql;
307   char zBuf[30];
308   if( argc!=4 ){
309     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
310        " DB FORMAT STRING", 0);
311     return TCL_ERROR;
312   }
313   if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
314   Tcl_DStringInit(&str);
315   zSql = sqlite3_mprintf(argv[2], argv[3]);
316   rc = sqlite3_exec(db, zSql, exec_printf_cb, &str, &zErr);
317   sqlite3_free(zSql);
318   sqlite3_snprintf(sizeof(zBuf), zBuf, "%d", rc);
319   Tcl_AppendElement(interp, zBuf);
320   Tcl_AppendElement(interp, rc==SQLITE_OK ? Tcl_DStringValue(&str) : zErr);
321   Tcl_DStringFree(&str);
322   if( zErr ) sqlite3_free(zErr);
323   if( sqlite3TestErrCode(interp, db, rc) ) return TCL_ERROR;
324   return TCL_OK;
325 }
326 
327 /*
328 ** Usage:  sqlite3_exec_hex  DB  HEX
329 **
330 ** Invoke the sqlite3_exec() on a string that is obtained by translating
331 ** HEX into ASCII.  Most characters are translated as is.  %HH becomes
332 ** a hex character.
333 */
334 static int SQLITE_TCLAPI test_exec_hex(
335   void *NotUsed,
336   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
337   int argc,              /* Number of arguments */
338   char **argv            /* Text of each argument */
339 ){
340   sqlite3 *db;
341   Tcl_DString str;
342   int rc, i, j;
343   char *zErr = 0;
344   char *zHex;
345   char zSql[501];
346   char zBuf[30];
347   if( argc!=3 ){
348     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
349        " DB HEX", 0);
350     return TCL_ERROR;
351   }
352   if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
353   zHex = argv[2];
354   for(i=j=0; i<(sizeof(zSql)-1) && zHex[j]; i++, j++){
355     if( zHex[j]=='%' && zHex[j+2] && zHex[j+2] ){
356       zSql[i] = (testHexToInt(zHex[j+1])<<4) + testHexToInt(zHex[j+2]);
357       j += 2;
358     }else{
359       zSql[i] = zHex[j];
360     }
361   }
362   zSql[i] = 0;
363   Tcl_DStringInit(&str);
364   rc = sqlite3_exec(db, zSql, exec_printf_cb, &str, &zErr);
365   sqlite3_snprintf(sizeof(zBuf), zBuf, "%d", rc);
366   Tcl_AppendElement(interp, zBuf);
367   Tcl_AppendElement(interp, rc==SQLITE_OK ? Tcl_DStringValue(&str) : zErr);
368   Tcl_DStringFree(&str);
369   if( zErr ) sqlite3_free(zErr);
370   if( sqlite3TestErrCode(interp, db, rc) ) return TCL_ERROR;
371   return TCL_OK;
372 }
373 
374 /*
375 ** Usage:  db_enter DB
376 **         db_leave DB
377 **
378 ** Enter or leave the mutex on a database connection.
379 */
380 static int SQLITE_TCLAPI db_enter(
381   void *NotUsed,
382   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
383   int argc,              /* Number of arguments */
384   char **argv            /* Text of each argument */
385 ){
386   sqlite3 *db;
387   if( argc!=2 ){
388     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
389        " DB", 0);
390     return TCL_ERROR;
391   }
392   if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
393   sqlite3_mutex_enter(db->mutex);
394   return TCL_OK;
395 }
396 static int SQLITE_TCLAPI db_leave(
397   void *NotUsed,
398   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
399   int argc,              /* Number of arguments */
400   char **argv            /* Text of each argument */
401 ){
402   sqlite3 *db;
403   if( argc!=2 ){
404     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
405        " DB", 0);
406     return TCL_ERROR;
407   }
408   if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
409   sqlite3_mutex_leave(db->mutex);
410   return TCL_OK;
411 }
412 
413 /*
414 ** Usage:  sqlite3_exec  DB  SQL
415 **
416 ** Invoke the sqlite3_exec interface using the open database DB
417 */
418 static int SQLITE_TCLAPI test_exec(
419   void *NotUsed,
420   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
421   int argc,              /* Number of arguments */
422   char **argv            /* Text of each argument */
423 ){
424   sqlite3 *db;
425   Tcl_DString str;
426   int rc;
427   char *zErr = 0;
428   char *zSql;
429   int i, j;
430   char zBuf[30];
431   if( argc!=3 ){
432     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
433        " DB SQL", 0);
434     return TCL_ERROR;
435   }
436   if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
437   Tcl_DStringInit(&str);
438   zSql = sqlite3_mprintf("%s", argv[2]);
439   for(i=j=0; zSql[i];){
440     if( zSql[i]=='%' ){
441       zSql[j++] = (testHexToInt(zSql[i+1])<<4) + testHexToInt(zSql[i+2]);
442       i += 3;
443     }else{
444       zSql[j++] = zSql[i++];
445     }
446   }
447   zSql[j] = 0;
448   rc = sqlite3_exec(db, zSql, exec_printf_cb, &str, &zErr);
449   sqlite3_free(zSql);
450   sqlite3_snprintf(sizeof(zBuf), zBuf, "%d", rc);
451   Tcl_AppendElement(interp, zBuf);
452   Tcl_AppendElement(interp, rc==SQLITE_OK ? Tcl_DStringValue(&str) : zErr);
453   Tcl_DStringFree(&str);
454   if( zErr ) sqlite3_free(zErr);
455   if( sqlite3TestErrCode(interp, db, rc) ) return TCL_ERROR;
456   return TCL_OK;
457 }
458 
459 /*
460 ** Usage:  sqlite3_exec_nr  DB  SQL
461 **
462 ** Invoke the sqlite3_exec interface using the open database DB.  Discard
463 ** all results
464 */
465 static int SQLITE_TCLAPI test_exec_nr(
466   void *NotUsed,
467   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
468   int argc,              /* Number of arguments */
469   char **argv            /* Text of each argument */
470 ){
471   sqlite3 *db;
472   int rc;
473   char *zErr = 0;
474   if( argc!=3 ){
475     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
476        " DB SQL", 0);
477     return TCL_ERROR;
478   }
479   if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
480   rc = sqlite3_exec(db, argv[2], 0, 0, &zErr);
481   if( sqlite3TestErrCode(interp, db, rc) ) return TCL_ERROR;
482   return TCL_OK;
483 }
484 
485 /*
486 ** Usage:  sqlite3_mprintf_z_test  SEPARATOR  ARG0  ARG1 ...
487 **
488 ** Test the %z format of sqlite_mprintf().  Use multiple mprintf() calls to
489 ** concatenate arg0 through argn using separator as the separator.
490 ** Return the result.
491 */
492 static int SQLITE_TCLAPI test_mprintf_z(
493   void *NotUsed,
494   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
495   int argc,              /* Number of arguments */
496   char **argv            /* Text of each argument */
497 ){
498   char *zResult = 0;
499   int i;
500 
501   for(i=2; i<argc && (i==2 || zResult); i++){
502     zResult = sqlite3_mprintf("%z%s%s", zResult, argv[1], argv[i]);
503   }
504   Tcl_AppendResult(interp, zResult, 0);
505   sqlite3_free(zResult);
506   return TCL_OK;
507 }
508 
509 /*
510 ** Usage:  sqlite3_mprintf_n_test  STRING
511 **
512 ** Test the %n format of sqlite_mprintf().  Return the length of the
513 ** input string.
514 */
515 static int SQLITE_TCLAPI test_mprintf_n(
516   void *NotUsed,
517   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
518   int argc,              /* Number of arguments */
519   char **argv            /* Text of each argument */
520 ){
521   char *zStr;
522   int n = 0;
523   zStr = sqlite3_mprintf("%s%n", argv[1], &n);
524   sqlite3_free(zStr);
525   Tcl_SetObjResult(interp, Tcl_NewIntObj(n));
526   return TCL_OK;
527 }
528 
529 /*
530 ** Usage:  sqlite3_snprintf_int  SIZE FORMAT  INT
531 **
532 ** Test the of sqlite3_snprintf() routine.  SIZE is the size of the
533 ** output buffer in bytes.  The maximum size is 100.  FORMAT is the
534 ** format string.  INT is a single integer argument.  The FORMAT
535 ** string must require no more than this one integer argument.  If
536 ** You pass in a format string that requires more than one argument,
537 ** bad things will happen.
538 */
539 static int SQLITE_TCLAPI test_snprintf_int(
540   void *NotUsed,
541   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
542   int argc,              /* Number of arguments */
543   char **argv            /* Text of each argument */
544 ){
545   char zStr[100];
546   int n = atoi(argv[1]);
547   const char *zFormat = argv[2];
548   int a1 = atoi(argv[3]);
549   if( n>sizeof(zStr) ) n = sizeof(zStr);
550   sqlite3_snprintf(sizeof(zStr), zStr, "abcdefghijklmnopqrstuvwxyz");
551   sqlite3_snprintf(n, zStr, zFormat, a1);
552   Tcl_AppendResult(interp, zStr, 0);
553   return TCL_OK;
554 }
555 
556 #ifndef SQLITE_OMIT_GET_TABLE
557 
558 /*
559 ** Usage:  sqlite3_get_table_printf  DB  FORMAT  STRING  ?--no-counts?
560 **
561 ** Invoke the sqlite3_get_table_printf() interface using the open database
562 ** DB.  The SQL is the string FORMAT.  The format string should contain
563 ** one %s or %q.  STRING is the value inserted into %s or %q.
564 */
565 static int SQLITE_TCLAPI test_get_table_printf(
566   void *NotUsed,
567   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
568   int argc,              /* Number of arguments */
569   char **argv            /* Text of each argument */
570 ){
571   sqlite3 *db;
572   Tcl_DString str;
573   int rc;
574   char *zErr = 0;
575   int nRow = 0, nCol = 0;
576   char **aResult;
577   int i;
578   char zBuf[30];
579   char *zSql;
580   int resCount = -1;
581   if( argc==5 ){
582     if( Tcl_GetInt(interp, argv[4], &resCount) ) return TCL_ERROR;
583   }
584   if( argc!=4 && argc!=5 ){
585     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
586        " DB FORMAT STRING ?COUNT?", 0);
587     return TCL_ERROR;
588   }
589   if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
590   Tcl_DStringInit(&str);
591   zSql = sqlite3_mprintf(argv[2],argv[3]);
592   if( argc==5 ){
593     rc = sqlite3_get_table(db, zSql, &aResult, 0, 0, &zErr);
594   }else{
595     rc = sqlite3_get_table(db, zSql, &aResult, &nRow, &nCol, &zErr);
596     resCount = (nRow+1)*nCol;
597   }
598   sqlite3_free(zSql);
599   sqlite3_snprintf(sizeof(zBuf), zBuf, "%d", rc);
600   Tcl_AppendElement(interp, zBuf);
601   if( rc==SQLITE_OK ){
602     if( argc==4 ){
603       sqlite3_snprintf(sizeof(zBuf), zBuf, "%d", nRow);
604       Tcl_AppendElement(interp, zBuf);
605       sqlite3_snprintf(sizeof(zBuf), zBuf, "%d", nCol);
606       Tcl_AppendElement(interp, zBuf);
607     }
608     for(i=0; i<resCount; i++){
609       Tcl_AppendElement(interp, aResult[i] ? aResult[i] : "NULL");
610     }
611   }else{
612     Tcl_AppendElement(interp, zErr);
613   }
614   sqlite3_free_table(aResult);
615   if( zErr ) sqlite3_free(zErr);
616   if( sqlite3TestErrCode(interp, db, rc) ) return TCL_ERROR;
617   return TCL_OK;
618 }
619 
620 #endif /* SQLITE_OMIT_GET_TABLE */
621 
622 
623 /*
624 ** Usage:  sqlite3_last_insert_rowid DB
625 **
626 ** Returns the integer ROWID of the most recent insert.
627 */
628 static int SQLITE_TCLAPI test_last_rowid(
629   void *NotUsed,
630   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
631   int argc,              /* Number of arguments */
632   char **argv            /* Text of each argument */
633 ){
634   sqlite3 *db;
635   char zBuf[30];
636 
637   if( argc!=2 ){
638     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0], " DB\"", 0);
639     return TCL_ERROR;
640   }
641   if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
642   sqlite3_snprintf(sizeof(zBuf), zBuf, "%lld", sqlite3_last_insert_rowid(db));
643   Tcl_AppendResult(interp, zBuf, 0);
644   return SQLITE_OK;
645 }
646 
647 /*
648 ** Usage:  sqlite3_key DB KEY
649 **
650 ** Set the codec key.
651 */
652 static int SQLITE_TCLAPI test_key(
653   void *NotUsed,
654   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
655   int argc,              /* Number of arguments */
656   char **argv            /* Text of each argument */
657 ){
658 #if defined(SQLITE_HAS_CODEC) && !defined(SQLITE_OMIT_CODEC_FROM_TCL)
659   sqlite3 *db;
660   const char *zKey;
661   int nKey;
662   if( argc!=3 ){
663     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
664        " FILENAME\"", 0);
665     return TCL_ERROR;
666   }
667   if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
668   zKey = argv[2];
669   nKey = strlen(zKey);
670   sqlite3_key(db, zKey, nKey);
671 #endif
672   return TCL_OK;
673 }
674 
675 /*
676 ** Usage:  sqlite3_rekey DB KEY
677 **
678 ** Change the codec key.
679 */
680 static int SQLITE_TCLAPI test_rekey(
681   void *NotUsed,
682   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
683   int argc,              /* Number of arguments */
684   char **argv            /* Text of each argument */
685 ){
686 #ifdef SQLITE_HAS_CODEC
687   sqlite3 *db;
688   const char *zKey;
689   int nKey;
690   if( argc!=3 ){
691     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
692        " FILENAME\"", 0);
693     return TCL_ERROR;
694   }
695   if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
696   zKey = argv[2];
697   nKey = strlen(zKey);
698   sqlite3_rekey(db, zKey, nKey);
699 #endif
700   return TCL_OK;
701 }
702 
703 /*
704 ** Usage:  sqlite3_close DB
705 **
706 ** Closes the database opened by sqlite3_open.
707 */
708 static int SQLITE_TCLAPI sqlite_test_close(
709   void *NotUsed,
710   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
711   int argc,              /* Number of arguments */
712   char **argv            /* Text of each argument */
713 ){
714   sqlite3 *db;
715   int rc;
716   if( argc!=2 ){
717     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
718        " FILENAME\"", 0);
719     return TCL_ERROR;
720   }
721   if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
722   rc = sqlite3_close(db);
723   Tcl_SetResult(interp, (char *)t1ErrorName(rc), TCL_STATIC);
724   return TCL_OK;
725 }
726 
727 /*
728 ** Usage:  sqlite3_close_v2 DB
729 **
730 ** Closes the database opened by sqlite3_open.
731 */
732 static int SQLITE_TCLAPI sqlite_test_close_v2(
733   void *NotUsed,
734   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
735   int argc,              /* Number of arguments */
736   char **argv            /* Text of each argument */
737 ){
738   sqlite3 *db;
739   int rc;
740   if( argc!=2 ){
741     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
742        " FILENAME\"", 0);
743     return TCL_ERROR;
744   }
745   if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
746   rc = sqlite3_close_v2(db);
747   Tcl_SetResult(interp, (char *)t1ErrorName(rc), TCL_STATIC);
748   return TCL_OK;
749 }
750 
751 /*
752 ** Implementation of the x_coalesce() function.
753 ** Return the first argument non-NULL argument.
754 */
755 static void t1_ifnullFunc(
756   sqlite3_context *context,
757   int argc,
758   sqlite3_value **argv
759 ){
760   int i;
761   for(i=0; i<argc; i++){
762     if( SQLITE_NULL!=sqlite3_value_type(argv[i]) ){
763       int n = sqlite3_value_bytes(argv[i]);
764       sqlite3_result_text(context, (char*)sqlite3_value_text(argv[i]),
765           n, SQLITE_TRANSIENT);
766       break;
767     }
768   }
769 }
770 
771 /*
772 ** These are test functions.    hex8() interprets its argument as
773 ** UTF8 and returns a hex encoding.  hex16le() interprets its argument
774 ** as UTF16le and returns a hex encoding.
775 */
776 static void hex8Func(sqlite3_context *p, int argc, sqlite3_value **argv){
777   const unsigned char *z;
778   int i;
779   char zBuf[200];
780   z = sqlite3_value_text(argv[0]);
781   for(i=0; i<sizeof(zBuf)/2 - 2 && z[i]; i++){
782     sqlite3_snprintf(sizeof(zBuf)-i*2, &zBuf[i*2], "%02x", z[i]);
783   }
784   zBuf[i*2] = 0;
785   sqlite3_result_text(p, (char*)zBuf, -1, SQLITE_TRANSIENT);
786 }
787 #ifndef SQLITE_OMIT_UTF16
788 static void hex16Func(sqlite3_context *p, int argc, sqlite3_value **argv){
789   const unsigned short int *z;
790   int i;
791   char zBuf[400];
792   z = sqlite3_value_text16(argv[0]);
793   for(i=0; i<sizeof(zBuf)/4 - 4 && z[i]; i++){
794     sqlite3_snprintf(sizeof(zBuf)-i*4, &zBuf[i*4],"%04x", z[i]&0xff);
795   }
796   zBuf[i*4] = 0;
797   sqlite3_result_text(p, (char*)zBuf, -1, SQLITE_TRANSIENT);
798 }
799 #endif
800 
801 /*
802 ** A structure into which to accumulate text.
803 */
804 struct dstr {
805   int nAlloc;  /* Space allocated */
806   int nUsed;   /* Space used */
807   char *z;     /* The space */
808 };
809 
810 /*
811 ** Append text to a dstr
812 */
813 static void dstrAppend(struct dstr *p, const char *z, int divider){
814   int n = (int)strlen(z);
815   if( p->nUsed + n + 2 > p->nAlloc ){
816     char *zNew;
817     p->nAlloc = p->nAlloc*2 + n + 200;
818     zNew = sqlite3_realloc(p->z, p->nAlloc);
819     if( zNew==0 ){
820       sqlite3_free(p->z);
821       memset(p, 0, sizeof(*p));
822       return;
823     }
824     p->z = zNew;
825   }
826   if( divider && p->nUsed>0 ){
827     p->z[p->nUsed++] = divider;
828   }
829   memcpy(&p->z[p->nUsed], z, n+1);
830   p->nUsed += n;
831 }
832 
833 /*
834 ** Invoked for each callback from sqlite3ExecFunc
835 */
836 static int execFuncCallback(void *pData, int argc, char **argv, char **NotUsed){
837   struct dstr *p = (struct dstr*)pData;
838   int i;
839   for(i=0; i<argc; i++){
840     if( argv[i]==0 ){
841       dstrAppend(p, "NULL", ' ');
842     }else{
843       dstrAppend(p, argv[i], ' ');
844     }
845   }
846   return 0;
847 }
848 
849 /*
850 ** Implementation of the x_sqlite_exec() function.  This function takes
851 ** a single argument and attempts to execute that argument as SQL code.
852 ** This is illegal and should set the SQLITE_MISUSE flag on the database.
853 **
854 ** 2004-Jan-07:  We have changed this to make it legal to call sqlite3_exec()
855 ** from within a function call.
856 **
857 ** This routine simulates the effect of having two threads attempt to
858 ** use the same database at the same time.
859 */
860 static void sqlite3ExecFunc(
861   sqlite3_context *context,
862   int argc,
863   sqlite3_value **argv
864 ){
865   struct dstr x;
866   memset(&x, 0, sizeof(x));
867   (void)sqlite3_exec((sqlite3*)sqlite3_user_data(context),
868       (char*)sqlite3_value_text(argv[0]),
869       execFuncCallback, &x, 0);
870   sqlite3_result_text(context, x.z, x.nUsed, SQLITE_TRANSIENT);
871   sqlite3_free(x.z);
872 }
873 
874 /*
875 ** Implementation of tkt2213func(), a scalar function that takes exactly
876 ** one argument. It has two interesting features:
877 **
878 ** * It calls sqlite3_value_text() 3 times on the argument sqlite3_value*.
879 **   If the three pointers returned are not the same an SQL error is raised.
880 **
881 ** * Otherwise it returns a copy of the text representation of its
882 **   argument in such a way as the VDBE representation is a Mem* cell
883 **   with the MEM_Term flag clear.
884 **
885 ** Ticket #2213 can therefore be tested by evaluating the following
886 ** SQL expression:
887 **
888 **   tkt2213func(tkt2213func('a string'));
889 */
890 static void tkt2213Function(
891   sqlite3_context *context,
892   int argc,
893   sqlite3_value **argv
894 ){
895   int nText;
896   unsigned char const *zText1;
897   unsigned char const *zText2;
898   unsigned char const *zText3;
899 
900   nText = sqlite3_value_bytes(argv[0]);
901   zText1 = sqlite3_value_text(argv[0]);
902   zText2 = sqlite3_value_text(argv[0]);
903   zText3 = sqlite3_value_text(argv[0]);
904 
905   if( zText1!=zText2 || zText2!=zText3 ){
906     sqlite3_result_error(context, "tkt2213 is not fixed", -1);
907   }else{
908     char *zCopy = (char *)sqlite3_malloc(nText);
909     memcpy(zCopy, zText1, nText);
910     sqlite3_result_text(context, zCopy, nText, sqlite3_free);
911   }
912 }
913 
914 /*
915 ** The following SQL function takes 4 arguments.  The 2nd and
916 ** 4th argument must be one of these strings:  'text', 'text16',
917 ** or 'blob' corresponding to API functions
918 **
919 **      sqlite3_value_text()
920 **      sqlite3_value_text16()
921 **      sqlite3_value_blob()
922 **
923 ** The third argument is a string, either 'bytes' or 'bytes16' or 'noop',
924 ** corresponding to APIs:
925 **
926 **      sqlite3_value_bytes()
927 **      sqlite3_value_bytes16()
928 **      noop
929 **
930 ** The APIs designated by the 2nd through 4th arguments are applied
931 ** to the first argument in order.  If the pointers returned by the
932 ** second and fourth are different, this routine returns 1.  Otherwise,
933 ** this routine returns 0.
934 **
935 ** This function is used to test to see when returned pointers from
936 ** the _text(), _text16() and _blob() APIs become invalidated.
937 */
938 static void ptrChngFunction(
939   sqlite3_context *context,
940   int argc,
941   sqlite3_value **argv
942 ){
943   const void *p1, *p2;
944   const char *zCmd;
945   if( argc!=4 ) return;
946   zCmd = (const char*)sqlite3_value_text(argv[1]);
947   if( zCmd==0 ) return;
948   if( strcmp(zCmd,"text")==0 ){
949     p1 = (const void*)sqlite3_value_text(argv[0]);
950 #ifndef SQLITE_OMIT_UTF16
951   }else if( strcmp(zCmd, "text16")==0 ){
952     p1 = (const void*)sqlite3_value_text16(argv[0]);
953 #endif
954   }else if( strcmp(zCmd, "blob")==0 ){
955     p1 = (const void*)sqlite3_value_blob(argv[0]);
956   }else{
957     return;
958   }
959   zCmd = (const char*)sqlite3_value_text(argv[2]);
960   if( zCmd==0 ) return;
961   if( strcmp(zCmd,"bytes")==0 ){
962     sqlite3_value_bytes(argv[0]);
963 #ifndef SQLITE_OMIT_UTF16
964   }else if( strcmp(zCmd, "bytes16")==0 ){
965     sqlite3_value_bytes16(argv[0]);
966 #endif
967   }else if( strcmp(zCmd, "noop")==0 ){
968     /* do nothing */
969   }else{
970     return;
971   }
972   zCmd = (const char*)sqlite3_value_text(argv[3]);
973   if( zCmd==0 ) return;
974   if( strcmp(zCmd,"text")==0 ){
975     p2 = (const void*)sqlite3_value_text(argv[0]);
976 #ifndef SQLITE_OMIT_UTF16
977   }else if( strcmp(zCmd, "text16")==0 ){
978     p2 = (const void*)sqlite3_value_text16(argv[0]);
979 #endif
980   }else if( strcmp(zCmd, "blob")==0 ){
981     p2 = (const void*)sqlite3_value_blob(argv[0]);
982   }else{
983     return;
984   }
985   sqlite3_result_int(context, p1!=p2);
986 }
987 
988 /*
989 ** This SQL function returns a different answer each time it is called, even if
990 ** the arguments are the same.
991 */
992 static void nondeterministicFunction(
993   sqlite3_context *context,
994   int argc,
995   sqlite3_value **argv
996 ){
997   static int cnt = 0;
998   sqlite3_result_int(context, cnt++);
999 }
1000 
1001 /*
1002 ** This SQL function returns the integer value of its argument as a MEM_IntReal
1003 ** value.
1004 */
1005 static void intrealFunction(
1006   sqlite3_context *context,
1007   int argc,
1008   sqlite3_value **argv
1009 ){
1010   sqlite3_int64 v = sqlite3_value_int64(argv[0]);
1011   sqlite3_result_int64(context, v);
1012   sqlite3_test_control(SQLITE_TESTCTRL_RESULT_INTREAL, context);
1013 }
1014 
1015 /*
1016 ** Usage:  sqlite3_create_function DB
1017 **
1018 ** Call the sqlite3_create_function API on the given database in order
1019 ** to create a function named "x_coalesce".  This function does the same thing
1020 ** as the "coalesce" function.  This function also registers an SQL function
1021 ** named "x_sqlite_exec" that invokes sqlite3_exec().  Invoking sqlite3_exec()
1022 ** in this way is illegal recursion and should raise an SQLITE_MISUSE error.
1023 ** The effect is similar to trying to use the same database connection from
1024 ** two threads at the same time.
1025 **
1026 ** The original motivation for this routine was to be able to call the
1027 ** sqlite3_create_function function while a query is in progress in order
1028 ** to test the SQLITE_MISUSE detection logic.
1029 */
1030 static int SQLITE_TCLAPI test_create_function(
1031   void *NotUsed,
1032   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
1033   int argc,              /* Number of arguments */
1034   char **argv            /* Text of each argument */
1035 ){
1036   int rc;
1037   sqlite3 *db;
1038 
1039   if( argc!=2 ){
1040     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
1041        " DB\"", 0);
1042     return TCL_ERROR;
1043   }
1044   if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
1045   rc = sqlite3_create_function(db, "x_coalesce", -1, SQLITE_UTF8, 0,
1046         t1_ifnullFunc, 0, 0);
1047   if( rc==SQLITE_OK ){
1048     rc = sqlite3_create_function(db, "hex8", 1, SQLITE_UTF8 | SQLITE_DETERMINISTIC,
1049           0, hex8Func, 0, 0);
1050   }
1051 #ifndef SQLITE_OMIT_UTF16
1052   if( rc==SQLITE_OK ){
1053     rc = sqlite3_create_function(db, "hex16", 1, SQLITE_UTF16 | SQLITE_DETERMINISTIC,
1054           0, hex16Func, 0, 0);
1055   }
1056 #endif
1057   if( rc==SQLITE_OK ){
1058     rc = sqlite3_create_function(db, "tkt2213func", 1, SQLITE_ANY, 0,
1059           tkt2213Function, 0, 0);
1060   }
1061   if( rc==SQLITE_OK ){
1062     rc = sqlite3_create_function(db, "pointer_change", 4, SQLITE_ANY, 0,
1063           ptrChngFunction, 0, 0);
1064   }
1065 
1066   /* Functions counter1() and counter2() have the same implementation - they
1067   ** both return an ascending integer with each call.  But counter1() is marked
1068   ** as non-deterministic and counter2() is marked as deterministic.
1069   */
1070   if( rc==SQLITE_OK ){
1071     rc = sqlite3_create_function(db, "counter1", -1, SQLITE_UTF8,
1072           0, nondeterministicFunction, 0, 0);
1073   }
1074   if( rc==SQLITE_OK ){
1075     rc = sqlite3_create_function(db, "counter2", -1, SQLITE_UTF8|SQLITE_DETERMINISTIC,
1076           0, nondeterministicFunction, 0, 0);
1077   }
1078 
1079   /* The intreal() function converts its argument to an integer and returns
1080   ** it as a MEM_IntReal.
1081   */
1082   if( rc==SQLITE_OK ){
1083     rc = sqlite3_create_function(db, "intreal", 1, SQLITE_UTF8,
1084           0, intrealFunction, 0, 0);
1085   }
1086 
1087 #ifndef SQLITE_OMIT_UTF16
1088   /* Use the sqlite3_create_function16() API here. Mainly for fun, but also
1089   ** because it is not tested anywhere else. */
1090   if( rc==SQLITE_OK ){
1091     const void *zUtf16;
1092     sqlite3_value *pVal;
1093     sqlite3_mutex_enter(db->mutex);
1094     pVal = sqlite3ValueNew(db);
1095     sqlite3ValueSetStr(pVal, -1, "x_sqlite_exec", SQLITE_UTF8, SQLITE_STATIC);
1096     zUtf16 = sqlite3ValueText(pVal, SQLITE_UTF16NATIVE);
1097     if( db->mallocFailed ){
1098       rc = SQLITE_NOMEM;
1099     }else{
1100       rc = sqlite3_create_function16(db, zUtf16,
1101                 1, SQLITE_UTF16, db, sqlite3ExecFunc, 0, 0);
1102     }
1103     sqlite3ValueFree(pVal);
1104     sqlite3_mutex_leave(db->mutex);
1105   }
1106 #endif
1107 
1108   if( sqlite3TestErrCode(interp, db, rc) ) return TCL_ERROR;
1109   Tcl_SetResult(interp, (char *)t1ErrorName(rc), 0);
1110   return TCL_OK;
1111 }
1112 
1113 /*
1114 ** Usage:  sqlite3_drop_modules DB ?NAME ...?
1115 **
1116 ** Invoke the sqlite3_drop_modules(D,L) interface on database
1117 ** connection DB, in order to drop all modules except those named in
1118 ** the argument.
1119 */
1120 static int SQLITE_TCLAPI test_drop_modules(
1121   void *NotUsed,
1122   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
1123   int argc,              /* Number of arguments */
1124   char **argv            /* Text of each argument */
1125 ){
1126   sqlite3 *db;
1127 
1128   if( argc!=2 ){
1129     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
1130        " DB\"", 0);
1131     return TCL_ERROR;
1132   }
1133   if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
1134   sqlite3_drop_modules(db, argc>2 ? (const char**)(argv+2) : 0);
1135   return TCL_OK;
1136 }
1137 
1138 /*
1139 ** Routines to implement the x_count() aggregate function.
1140 **
1141 ** x_count() counts the number of non-null arguments.  But there are
1142 ** some twists for testing purposes.
1143 **
1144 ** If the argument to x_count() is 40 then a UTF-8 error is reported
1145 ** on the step function.  If x_count(41) is seen, then a UTF-16 error
1146 ** is reported on the step function.  If the total count is 42, then
1147 ** a UTF-8 error is reported on the finalize function.
1148 */
1149 typedef struct t1CountCtx t1CountCtx;
1150 struct t1CountCtx {
1151   int n;
1152 };
1153 static void t1CountStep(
1154   sqlite3_context *context,
1155   int argc,
1156   sqlite3_value **argv
1157 ){
1158   t1CountCtx *p;
1159   p = sqlite3_aggregate_context(context, sizeof(*p));
1160   if( (argc==0 || SQLITE_NULL!=sqlite3_value_type(argv[0]) ) && p ){
1161     p->n++;
1162   }
1163   if( argc>0 ){
1164     int v = sqlite3_value_int(argv[0]);
1165     if( v==40 ){
1166       sqlite3_result_error(context, "value of 40 handed to x_count", -1);
1167 #ifndef SQLITE_OMIT_UTF16
1168     }else if( v==41 ){
1169       const char zUtf16ErrMsg[] = { 0, 0x61, 0, 0x62, 0, 0x63, 0, 0, 0};
1170       sqlite3_result_error16(context, &zUtf16ErrMsg[1-SQLITE_BIGENDIAN], -1);
1171 #endif
1172     }
1173   }
1174 }
1175 static void t1CountFinalize(sqlite3_context *context){
1176   t1CountCtx *p;
1177   p = sqlite3_aggregate_context(context, sizeof(*p));
1178   if( p ){
1179     if( p->n==42 ){
1180       sqlite3_result_error(context, "x_count totals to 42", -1);
1181     }else{
1182       sqlite3_result_int(context, p ? p->n : 0);
1183     }
1184   }
1185 }
1186 
1187 #ifndef SQLITE_OMIT_DEPRECATED
1188 static void legacyCountStep(
1189   sqlite3_context *context,
1190   int argc,
1191   sqlite3_value **argv
1192 ){
1193   /* no-op */
1194 }
1195 
1196 static void legacyCountFinalize(sqlite3_context *context){
1197   sqlite3_result_int(context, sqlite3_aggregate_count(context));
1198 }
1199 #endif
1200 
1201 /*
1202 ** Usage:  sqlite3_create_aggregate DB
1203 **
1204 ** Call the sqlite3_create_function API on the given database in order
1205 ** to create a function named "x_count".  This function is similar
1206 ** to the built-in count() function, with a few special quirks
1207 ** for testing the sqlite3_result_error() APIs.
1208 **
1209 ** The original motivation for this routine was to be able to call the
1210 ** sqlite3_create_aggregate function while a query is in progress in order
1211 ** to test the SQLITE_MISUSE detection logic.  See misuse.test.
1212 **
1213 ** This routine was later extended to test the use of sqlite3_result_error()
1214 ** within aggregate functions.
1215 **
1216 ** Later: It is now also extended to register the aggregate function
1217 ** "legacy_count()" with the supplied database handle. This is used
1218 ** to test the deprecated sqlite3_aggregate_count() API.
1219 */
1220 static int SQLITE_TCLAPI test_create_aggregate(
1221   void *NotUsed,
1222   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
1223   int argc,              /* Number of arguments */
1224   char **argv            /* Text of each argument */
1225 ){
1226   sqlite3 *db;
1227   int rc;
1228   if( argc!=2 ){
1229     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
1230        " FILENAME\"", 0);
1231     return TCL_ERROR;
1232   }
1233   if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
1234   rc = sqlite3_create_function(db, "x_count", 0, SQLITE_UTF8, 0, 0,
1235       t1CountStep,t1CountFinalize);
1236   if( rc==SQLITE_OK ){
1237     rc = sqlite3_create_function(db, "x_count", 1, SQLITE_UTF8, 0, 0,
1238         t1CountStep,t1CountFinalize);
1239   }
1240 #ifndef SQLITE_OMIT_DEPRECATED
1241   if( rc==SQLITE_OK ){
1242     rc = sqlite3_create_function(db, "legacy_count", 0, SQLITE_ANY, 0, 0,
1243         legacyCountStep, legacyCountFinalize
1244     );
1245   }
1246 #endif
1247   if( sqlite3TestErrCode(interp, db, rc) ) return TCL_ERROR;
1248   Tcl_SetResult(interp, (char *)t1ErrorName(rc), 0);
1249   return TCL_OK;
1250 }
1251 
1252 
1253 /*
1254 ** Usage:  printf TEXT
1255 **
1256 ** Send output to printf.  Use this rather than puts to merge the output
1257 ** in the correct sequence with debugging printfs inserted into C code.
1258 ** Puts uses a separate buffer and debugging statements will be out of
1259 ** sequence if it is used.
1260 */
1261 static int SQLITE_TCLAPI test_printf(
1262   void *NotUsed,
1263   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
1264   int argc,              /* Number of arguments */
1265   char **argv            /* Text of each argument */
1266 ){
1267   if( argc!=2 ){
1268     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
1269        " TEXT\"", 0);
1270     return TCL_ERROR;
1271   }
1272   printf("%s\n", argv[1]);
1273   return TCL_OK;
1274 }
1275 
1276 
1277 
1278 /*
1279 ** Usage:  sqlite3_mprintf_int FORMAT INTEGER INTEGER INTEGER
1280 **
1281 ** Call mprintf with three integer arguments
1282 */
1283 static int SQLITE_TCLAPI sqlite3_mprintf_int(
1284   void *NotUsed,
1285   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
1286   int argc,              /* Number of arguments */
1287   char **argv            /* Text of each argument */
1288 ){
1289   int a[3], i;
1290   char *z;
1291   if( argc!=5 ){
1292     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
1293        " FORMAT INT INT INT\"", 0);
1294     return TCL_ERROR;
1295   }
1296   for(i=2; i<5; i++){
1297     if( Tcl_GetInt(interp, argv[i], &a[i-2]) ) return TCL_ERROR;
1298   }
1299   z = sqlite3_mprintf(argv[1], a[0], a[1], a[2]);
1300   Tcl_AppendResult(interp, z, 0);
1301   sqlite3_free(z);
1302   return TCL_OK;
1303 }
1304 
1305 /*
1306 ** Usage:  sqlite3_mprintf_int64 FORMAT INTEGER INTEGER INTEGER
1307 **
1308 ** Call mprintf with three 64-bit integer arguments
1309 */
1310 static int SQLITE_TCLAPI sqlite3_mprintf_int64(
1311   void *NotUsed,
1312   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
1313   int argc,              /* Number of arguments */
1314   char **argv            /* Text of each argument */
1315 ){
1316   int i;
1317   sqlite_int64 a[3];
1318   char *z;
1319   if( argc!=5 ){
1320     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
1321        " FORMAT INT INT INT\"", 0);
1322     return TCL_ERROR;
1323   }
1324   for(i=2; i<5; i++){
1325     if( sqlite3Atoi64(argv[i], &a[i-2], sqlite3Strlen30(argv[i]), SQLITE_UTF8) ){
1326       Tcl_AppendResult(interp, "argument is not a valid 64-bit integer", 0);
1327       return TCL_ERROR;
1328     }
1329   }
1330   z = sqlite3_mprintf(argv[1], a[0], a[1], a[2]);
1331   Tcl_AppendResult(interp, z, 0);
1332   sqlite3_free(z);
1333   return TCL_OK;
1334 }
1335 
1336 /*
1337 ** Usage:  sqlite3_mprintf_long FORMAT INTEGER INTEGER INTEGER
1338 **
1339 ** Call mprintf with three long integer arguments.   This might be the
1340 ** same as sqlite3_mprintf_int or sqlite3_mprintf_int64, depending on
1341 ** platform.
1342 */
1343 static int SQLITE_TCLAPI sqlite3_mprintf_long(
1344   void *NotUsed,
1345   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
1346   int argc,              /* Number of arguments */
1347   char **argv            /* Text of each argument */
1348 ){
1349   int i;
1350   long int a[3];
1351   int b[3];
1352   char *z;
1353   if( argc!=5 ){
1354     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
1355        " FORMAT INT INT INT\"", 0);
1356     return TCL_ERROR;
1357   }
1358   for(i=2; i<5; i++){
1359     if( Tcl_GetInt(interp, argv[i], &b[i-2]) ) return TCL_ERROR;
1360     a[i-2] = (long int)b[i-2];
1361     a[i-2] &= (((u64)1)<<(sizeof(int)*8))-1;
1362   }
1363   z = sqlite3_mprintf(argv[1], a[0], a[1], a[2]);
1364   Tcl_AppendResult(interp, z, 0);
1365   sqlite3_free(z);
1366   return TCL_OK;
1367 }
1368 
1369 /*
1370 ** Usage:  sqlite3_mprintf_str FORMAT INTEGER INTEGER STRING
1371 **
1372 ** Call mprintf with two integer arguments and one string argument
1373 */
1374 static int SQLITE_TCLAPI sqlite3_mprintf_str(
1375   void *NotUsed,
1376   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
1377   int argc,              /* Number of arguments */
1378   char **argv            /* Text of each argument */
1379 ){
1380   int a[3], i;
1381   char *z;
1382   if( argc<4 || argc>5 ){
1383     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
1384        " FORMAT INT INT ?STRING?\"", 0);
1385     return TCL_ERROR;
1386   }
1387   for(i=2; i<4; i++){
1388     if( Tcl_GetInt(interp, argv[i], &a[i-2]) ) return TCL_ERROR;
1389   }
1390   z = sqlite3_mprintf(argv[1], a[0], a[1], argc>4 ? argv[4] : NULL);
1391   Tcl_AppendResult(interp, z, 0);
1392   sqlite3_free(z);
1393   return TCL_OK;
1394 }
1395 
1396 /*
1397 ** Usage:  sqlite3_snprintf_str INTEGER FORMAT INTEGER INTEGER STRING
1398 **
1399 ** Call mprintf with two integer arguments and one string argument
1400 */
1401 static int SQLITE_TCLAPI sqlite3_snprintf_str(
1402   void *NotUsed,
1403   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
1404   int argc,              /* Number of arguments */
1405   char **argv            /* Text of each argument */
1406 ){
1407   int a[3], i;
1408   int n;
1409   char *z;
1410   if( argc<5 || argc>6 ){
1411     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
1412        " INT FORMAT INT INT ?STRING?\"", 0);
1413     return TCL_ERROR;
1414   }
1415   if( Tcl_GetInt(interp, argv[1], &n) ) return TCL_ERROR;
1416   if( n<0 ){
1417     Tcl_AppendResult(interp, "N must be non-negative", 0);
1418     return TCL_ERROR;
1419   }
1420   for(i=3; i<5; i++){
1421     if( Tcl_GetInt(interp, argv[i], &a[i-3]) ) return TCL_ERROR;
1422   }
1423   z = sqlite3_malloc( n+1 );
1424   sqlite3_snprintf(n, z, argv[2], a[0], a[1], argc>4 ? argv[5] : NULL);
1425   Tcl_AppendResult(interp, z, 0);
1426   sqlite3_free(z);
1427   return TCL_OK;
1428 }
1429 
1430 /*
1431 ** Usage:  sqlite3_mprintf_double FORMAT INTEGER INTEGER DOUBLE
1432 **
1433 ** Call mprintf with two integer arguments and one double argument
1434 */
1435 static int SQLITE_TCLAPI sqlite3_mprintf_double(
1436   void *NotUsed,
1437   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
1438   int argc,              /* Number of arguments */
1439   char **argv            /* Text of each argument */
1440 ){
1441   int a[3], i;
1442   double r;
1443   char *z;
1444   if( argc!=5 ){
1445     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
1446        " FORMAT INT INT DOUBLE\"", 0);
1447     return TCL_ERROR;
1448   }
1449   for(i=2; i<4; i++){
1450     if( Tcl_GetInt(interp, argv[i], &a[i-2]) ) return TCL_ERROR;
1451   }
1452   if( Tcl_GetDouble(interp, argv[4], &r) ) return TCL_ERROR;
1453   z = sqlite3_mprintf(argv[1], a[0], a[1], r);
1454   Tcl_AppendResult(interp, z, 0);
1455   sqlite3_free(z);
1456   return TCL_OK;
1457 }
1458 
1459 /*
1460 ** Usage:  sqlite3_mprintf_scaled FORMAT DOUBLE DOUBLE
1461 **
1462 ** Call mprintf with a single double argument which is the product of the
1463 ** two arguments given above.  This is used to generate overflow and underflow
1464 ** doubles to test that they are converted properly.
1465 */
1466 static int SQLITE_TCLAPI sqlite3_mprintf_scaled(
1467   void *NotUsed,
1468   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
1469   int argc,              /* Number of arguments */
1470   char **argv            /* Text of each argument */
1471 ){
1472   int i;
1473   double r[2];
1474   char *z;
1475   if( argc!=4 ){
1476     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
1477        " FORMAT DOUBLE DOUBLE\"", 0);
1478     return TCL_ERROR;
1479   }
1480   for(i=2; i<4; i++){
1481     if( Tcl_GetDouble(interp, argv[i], &r[i-2]) ) return TCL_ERROR;
1482   }
1483   z = sqlite3_mprintf(argv[1], r[0]*r[1]);
1484   Tcl_AppendResult(interp, z, 0);
1485   sqlite3_free(z);
1486   return TCL_OK;
1487 }
1488 
1489 /*
1490 ** Usage:  sqlite3_mprintf_stronly FORMAT STRING
1491 **
1492 ** Call mprintf with a single double argument which is the product of the
1493 ** two arguments given above.  This is used to generate overflow and underflow
1494 ** doubles to test that they are converted properly.
1495 */
1496 static int SQLITE_TCLAPI sqlite3_mprintf_stronly(
1497   void *NotUsed,
1498   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
1499   int argc,              /* Number of arguments */
1500   char **argv            /* Text of each argument */
1501 ){
1502   char *z;
1503   if( argc!=3 ){
1504     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
1505        " FORMAT STRING\"", 0);
1506     return TCL_ERROR;
1507   }
1508   z = sqlite3_mprintf(argv[1], argv[2]);
1509   Tcl_AppendResult(interp, z, 0);
1510   sqlite3_free(z);
1511   return TCL_OK;
1512 }
1513 
1514 /*
1515 ** Usage:  sqlite3_mprintf_hexdouble FORMAT HEX
1516 **
1517 ** Call mprintf with a single double argument which is derived from the
1518 ** hexadecimal encoding of an IEEE double.
1519 */
1520 static int SQLITE_TCLAPI sqlite3_mprintf_hexdouble(
1521   void *NotUsed,
1522   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
1523   int argc,              /* Number of arguments */
1524   char **argv            /* Text of each argument */
1525 ){
1526   char *z;
1527   double r;
1528   unsigned int x1, x2;
1529   sqlite_uint64 d;
1530   if( argc!=3 ){
1531     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
1532        " FORMAT STRING\"", 0);
1533     return TCL_ERROR;
1534   }
1535   if( sscanf(argv[2], "%08x%08x", &x2, &x1)!=2 ){
1536     Tcl_AppendResult(interp, "2nd argument should be 16-characters of hex", 0);
1537     return TCL_ERROR;
1538   }
1539   d = x2;
1540   d = (d<<32) + x1;
1541   memcpy(&r, &d, sizeof(r));
1542   z = sqlite3_mprintf(argv[1], r);
1543   Tcl_AppendResult(interp, z, 0);
1544   sqlite3_free(z);
1545   return TCL_OK;
1546 }
1547 
1548 /*
1549 ** Usage: sqlite3_enable_shared_cache ?BOOLEAN?
1550 **
1551 */
1552 #if !defined(SQLITE_OMIT_SHARED_CACHE)
1553 static int SQLITE_TCLAPI test_enable_shared(
1554   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
1555   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
1556   int objc,              /* Number of arguments */
1557   Tcl_Obj *CONST objv[]  /* Command arguments */
1558 ){
1559   int rc;
1560   int enable;
1561   int ret = 0;
1562 
1563   if( objc!=2 && objc!=1 ){
1564     Tcl_WrongNumArgs(interp, 1, objv, "?BOOLEAN?");
1565     return TCL_ERROR;
1566   }
1567   ret = sqlite3GlobalConfig.sharedCacheEnabled;
1568 
1569   if( objc==2 ){
1570     if( Tcl_GetBooleanFromObj(interp, objv[1], &enable) ){
1571       return TCL_ERROR;
1572     }
1573     rc = sqlite3_enable_shared_cache(enable);
1574     if( rc!=SQLITE_OK ){
1575       Tcl_SetResult(interp, (char *)sqlite3ErrStr(rc), TCL_STATIC);
1576       return TCL_ERROR;
1577     }
1578   }
1579   Tcl_SetObjResult(interp, Tcl_NewBooleanObj(ret));
1580   return TCL_OK;
1581 }
1582 #endif
1583 
1584 
1585 
1586 /*
1587 ** Usage: sqlite3_extended_result_codes   DB    BOOLEAN
1588 **
1589 */
1590 static int SQLITE_TCLAPI test_extended_result_codes(
1591   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
1592   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
1593   int objc,              /* Number of arguments */
1594   Tcl_Obj *CONST objv[]  /* Command arguments */
1595 ){
1596   int enable;
1597   sqlite3 *db;
1598 
1599   if( objc!=3 ){
1600     Tcl_WrongNumArgs(interp, 1, objv, "DB BOOLEAN");
1601     return TCL_ERROR;
1602   }
1603   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
1604   if( Tcl_GetBooleanFromObj(interp, objv[2], &enable) ) return TCL_ERROR;
1605   sqlite3_extended_result_codes(db, enable);
1606   return TCL_OK;
1607 }
1608 
1609 /*
1610 ** Usage: sqlite3_libversion_number
1611 **
1612 */
1613 static int SQLITE_TCLAPI test_libversion_number(
1614   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
1615   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
1616   int objc,              /* Number of arguments */
1617   Tcl_Obj *CONST objv[]  /* Command arguments */
1618 ){
1619   Tcl_SetObjResult(interp, Tcl_NewIntObj(sqlite3_libversion_number()));
1620   return TCL_OK;
1621 }
1622 
1623 /*
1624 ** Usage: sqlite3_table_column_metadata DB dbname tblname colname
1625 **
1626 */
1627 static int SQLITE_TCLAPI test_table_column_metadata(
1628   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
1629   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
1630   int objc,              /* Number of arguments */
1631   Tcl_Obj *CONST objv[]  /* Command arguments */
1632 ){
1633   sqlite3 *db;
1634   const char *zDb;
1635   const char *zTbl;
1636   const char *zCol;
1637   int rc;
1638   Tcl_Obj *pRet;
1639 
1640   const char *zDatatype;
1641   const char *zCollseq;
1642   int notnull;
1643   int primarykey;
1644   int autoincrement;
1645 
1646   if( objc!=5 && objc!=4 ){
1647     Tcl_WrongNumArgs(interp, 1, objv, "DB dbname tblname colname");
1648     return TCL_ERROR;
1649   }
1650   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
1651   zDb = Tcl_GetString(objv[2]);
1652   zTbl = Tcl_GetString(objv[3]);
1653   zCol = objc==5 ? Tcl_GetString(objv[4]) : 0;
1654 
1655   if( strlen(zDb)==0 ) zDb = 0;
1656 
1657   rc = sqlite3_table_column_metadata(db, zDb, zTbl, zCol,
1658       &zDatatype, &zCollseq, &notnull, &primarykey, &autoincrement);
1659 
1660   if( rc!=SQLITE_OK ){
1661     Tcl_AppendResult(interp, sqlite3_errmsg(db), 0);
1662     return TCL_ERROR;
1663   }
1664 
1665   pRet = Tcl_NewObj();
1666   Tcl_ListObjAppendElement(0, pRet, Tcl_NewStringObj(zDatatype, -1));
1667   Tcl_ListObjAppendElement(0, pRet, Tcl_NewStringObj(zCollseq, -1));
1668   Tcl_ListObjAppendElement(0, pRet, Tcl_NewIntObj(notnull));
1669   Tcl_ListObjAppendElement(0, pRet, Tcl_NewIntObj(primarykey));
1670   Tcl_ListObjAppendElement(0, pRet, Tcl_NewIntObj(autoincrement));
1671   Tcl_SetObjResult(interp, pRet);
1672 
1673   return TCL_OK;
1674 }
1675 
1676 #ifndef SQLITE_OMIT_INCRBLOB
1677 
1678 static int SQLITE_TCLAPI blobHandleFromObj(
1679   Tcl_Interp *interp,
1680   Tcl_Obj *pObj,
1681   sqlite3_blob **ppBlob
1682 ){
1683   char *z;
1684   int n;
1685 
1686   z = Tcl_GetStringFromObj(pObj, &n);
1687   if( n==0 ){
1688     *ppBlob = 0;
1689   }else{
1690     int notUsed;
1691     Tcl_Channel channel;
1692     ClientData instanceData;
1693 
1694     channel = Tcl_GetChannel(interp, z, &notUsed);
1695     if( !channel ) return TCL_ERROR;
1696 
1697     Tcl_Flush(channel);
1698     Tcl_Seek(channel, 0, SEEK_SET);
1699 
1700     instanceData = Tcl_GetChannelInstanceData(channel);
1701     *ppBlob = *((sqlite3_blob **)instanceData);
1702   }
1703 
1704   return TCL_OK;
1705 }
1706 
1707 static int SQLITE_TCLAPI test_blob_reopen(
1708   ClientData clientData, /* Not used */
1709   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
1710   int objc,              /* Number of arguments */
1711   Tcl_Obj *CONST objv[]  /* Command arguments */
1712 ){
1713   Tcl_WideInt iRowid;
1714   sqlite3_blob *pBlob;
1715   int rc;
1716 
1717   if( objc!=3 ){
1718     Tcl_WrongNumArgs(interp, 1, objv, "CHANNEL ROWID");
1719     return TCL_ERROR;
1720   }
1721 
1722   if( blobHandleFromObj(interp, objv[1], &pBlob) ) return TCL_ERROR;
1723   if( Tcl_GetWideIntFromObj(interp, objv[2], &iRowid) ) return TCL_ERROR;
1724 
1725   rc = sqlite3_blob_reopen(pBlob, iRowid);
1726   if( rc!=SQLITE_OK ){
1727     Tcl_SetResult(interp, (char *)sqlite3ErrName(rc), TCL_VOLATILE);
1728   }
1729 
1730   return (rc==SQLITE_OK ? TCL_OK : TCL_ERROR);
1731 }
1732 
1733 #endif
1734 
1735 /*
1736 ** Usage: sqlite3_create_collation_v2 DB-HANDLE NAME CMP-PROC DEL-PROC
1737 **
1738 **   This Tcl proc is used for testing the experimental
1739 **   sqlite3_create_collation_v2() interface.
1740 */
1741 struct TestCollationX {
1742   Tcl_Interp *interp;
1743   Tcl_Obj *pCmp;
1744   Tcl_Obj *pDel;
1745 };
1746 typedef struct TestCollationX TestCollationX;
1747 static void testCreateCollationDel(void *pCtx){
1748   TestCollationX *p = (TestCollationX *)pCtx;
1749 
1750   int rc = Tcl_EvalObjEx(p->interp, p->pDel, TCL_EVAL_DIRECT|TCL_EVAL_GLOBAL);
1751   if( rc!=TCL_OK ){
1752     Tcl_BackgroundError(p->interp);
1753   }
1754 
1755   Tcl_DecrRefCount(p->pCmp);
1756   Tcl_DecrRefCount(p->pDel);
1757   sqlite3_free((void *)p);
1758 }
1759 static int testCreateCollationCmp(
1760   void *pCtx,
1761   int nLeft,
1762   const void *zLeft,
1763   int nRight,
1764   const void *zRight
1765 ){
1766   TestCollationX *p = (TestCollationX *)pCtx;
1767   Tcl_Obj *pScript = Tcl_DuplicateObj(p->pCmp);
1768   int iRes = 0;
1769 
1770   Tcl_IncrRefCount(pScript);
1771   Tcl_ListObjAppendElement(0, pScript, Tcl_NewStringObj((char *)zLeft, nLeft));
1772   Tcl_ListObjAppendElement(0, pScript, Tcl_NewStringObj((char *)zRight,nRight));
1773 
1774   if( TCL_OK!=Tcl_EvalObjEx(p->interp, pScript, TCL_EVAL_DIRECT|TCL_EVAL_GLOBAL)
1775    || TCL_OK!=Tcl_GetIntFromObj(p->interp, Tcl_GetObjResult(p->interp), &iRes)
1776   ){
1777     Tcl_BackgroundError(p->interp);
1778   }
1779   Tcl_DecrRefCount(pScript);
1780 
1781   return iRes;
1782 }
1783 static int SQLITE_TCLAPI test_create_collation_v2(
1784   ClientData clientData, /* Not used */
1785   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
1786   int objc,              /* Number of arguments */
1787   Tcl_Obj *CONST objv[]  /* Command arguments */
1788 ){
1789   TestCollationX *p;
1790   sqlite3 *db;
1791   int rc;
1792 
1793   if( objc!=5 ){
1794     Tcl_WrongNumArgs(interp, 1, objv, "DB-HANDLE NAME CMP-PROC DEL-PROC");
1795     return TCL_ERROR;
1796   }
1797   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
1798 
1799   p = (TestCollationX *)sqlite3_malloc(sizeof(TestCollationX));
1800   p->pCmp = objv[3];
1801   p->pDel = objv[4];
1802   p->interp = interp;
1803   Tcl_IncrRefCount(p->pCmp);
1804   Tcl_IncrRefCount(p->pDel);
1805 
1806   rc = sqlite3_create_collation_v2(db, Tcl_GetString(objv[2]), 16,
1807       (void *)p, testCreateCollationCmp, testCreateCollationDel
1808   );
1809   if( rc!=SQLITE_MISUSE ){
1810     Tcl_AppendResult(interp, "sqlite3_create_collate_v2() failed to detect "
1811       "an invalid encoding", (char*)0);
1812     return TCL_ERROR;
1813   }
1814   rc = sqlite3_create_collation_v2(db, Tcl_GetString(objv[2]), SQLITE_UTF8,
1815       (void *)p, testCreateCollationCmp, testCreateCollationDel
1816   );
1817   return TCL_OK;
1818 }
1819 
1820 /*
1821 ** USAGE: sqlite3_create_function_v2 DB NAME NARG ENC ?SWITCHES?
1822 **
1823 ** Available switches are:
1824 **
1825 **   -func    SCRIPT
1826 **   -step    SCRIPT
1827 **   -final   SCRIPT
1828 **   -destroy SCRIPT
1829 */
1830 typedef struct CreateFunctionV2 CreateFunctionV2;
1831 struct CreateFunctionV2 {
1832   Tcl_Interp *interp;
1833   Tcl_Obj *pFunc;                 /* Script for function invocation */
1834   Tcl_Obj *pStep;                 /* Script for agg. step invocation */
1835   Tcl_Obj *pFinal;                /* Script for agg. finalization invocation */
1836   Tcl_Obj *pDestroy;              /* Destructor script */
1837 };
1838 static void cf2Func(sqlite3_context *ctx, int nArg, sqlite3_value **aArg){
1839 }
1840 static void cf2Step(sqlite3_context *ctx, int nArg, sqlite3_value **aArg){
1841 }
1842 static void cf2Final(sqlite3_context *ctx){
1843 }
1844 static void cf2Destroy(void *pUser){
1845   CreateFunctionV2 *p = (CreateFunctionV2 *)pUser;
1846 
1847   if( p->interp && p->pDestroy ){
1848     int rc = Tcl_EvalObjEx(p->interp, p->pDestroy, 0);
1849     if( rc!=TCL_OK ) Tcl_BackgroundError(p->interp);
1850   }
1851 
1852   if( p->pFunc ) Tcl_DecrRefCount(p->pFunc);
1853   if( p->pStep ) Tcl_DecrRefCount(p->pStep);
1854   if( p->pFinal ) Tcl_DecrRefCount(p->pFinal);
1855   if( p->pDestroy ) Tcl_DecrRefCount(p->pDestroy);
1856   sqlite3_free(p);
1857 }
1858 static int SQLITE_TCLAPI test_create_function_v2(
1859   ClientData clientData,          /* Not used */
1860   Tcl_Interp *interp,             /* The invoking TCL interpreter */
1861   int objc,                       /* Number of arguments */
1862   Tcl_Obj *CONST objv[]           /* Command arguments */
1863 ){
1864   sqlite3 *db;
1865   const char *zFunc;
1866   int nArg;
1867   int enc;
1868   CreateFunctionV2 *p;
1869   int i;
1870   int rc;
1871 
1872   struct EncTable {
1873     const char *zEnc;
1874     int enc;
1875   } aEnc[] = {
1876     {"utf8",    SQLITE_UTF8 },
1877     {"utf16",   SQLITE_UTF16 },
1878     {"utf16le", SQLITE_UTF16LE },
1879     {"utf16be", SQLITE_UTF16BE },
1880     {"any",     SQLITE_ANY },
1881     {"0", 0 }
1882   };
1883 
1884   if( objc<5 || (objc%2)==0 ){
1885     Tcl_WrongNumArgs(interp, 1, objv, "DB NAME NARG ENC SWITCHES...");
1886     return TCL_ERROR;
1887   }
1888 
1889   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
1890   zFunc = Tcl_GetString(objv[2]);
1891   if( Tcl_GetIntFromObj(interp, objv[3], &nArg) ) return TCL_ERROR;
1892   if( Tcl_GetIndexFromObjStruct(interp, objv[4], aEnc, sizeof(aEnc[0]),
1893           "encoding", 0, &enc)
1894   ){
1895     return TCL_ERROR;
1896   }
1897   enc = aEnc[enc].enc;
1898 
1899   p = sqlite3_malloc(sizeof(CreateFunctionV2));
1900   assert( p );
1901   memset(p, 0, sizeof(CreateFunctionV2));
1902   p->interp = interp;
1903 
1904   for(i=5; i<objc; i+=2){
1905     int iSwitch;
1906     const char *azSwitch[] = {"-func", "-step", "-final", "-destroy", 0};
1907     if( Tcl_GetIndexFromObj(interp, objv[i], azSwitch, "switch", 0, &iSwitch) ){
1908       sqlite3_free(p);
1909       return TCL_ERROR;
1910     }
1911 
1912     switch( iSwitch ){
1913       case 0: p->pFunc = objv[i+1];      break;
1914       case 1: p->pStep = objv[i+1];      break;
1915       case 2: p->pFinal = objv[i+1];     break;
1916       case 3: p->pDestroy = objv[i+1];   break;
1917     }
1918   }
1919   if( p->pFunc ) p->pFunc = Tcl_DuplicateObj(p->pFunc);
1920   if( p->pStep ) p->pStep = Tcl_DuplicateObj(p->pStep);
1921   if( p->pFinal ) p->pFinal = Tcl_DuplicateObj(p->pFinal);
1922   if( p->pDestroy ) p->pDestroy = Tcl_DuplicateObj(p->pDestroy);
1923 
1924   if( p->pFunc ) Tcl_IncrRefCount(p->pFunc);
1925   if( p->pStep ) Tcl_IncrRefCount(p->pStep);
1926   if( p->pFinal ) Tcl_IncrRefCount(p->pFinal);
1927   if( p->pDestroy ) Tcl_IncrRefCount(p->pDestroy);
1928 
1929   rc = sqlite3_create_function_v2(db, zFunc, nArg, enc, (void *)p,
1930       (p->pFunc ? cf2Func : 0),
1931       (p->pStep ? cf2Step : 0),
1932       (p->pFinal ? cf2Final : 0),
1933       cf2Destroy
1934   );
1935   if( rc!=SQLITE_OK ){
1936     Tcl_ResetResult(interp);
1937     Tcl_AppendResult(interp, sqlite3ErrName(rc), 0);
1938     return TCL_ERROR;
1939   }
1940   return TCL_OK;
1941 }
1942 
1943 /*
1944 ** Usage: sqlite3_load_extension DB-HANDLE FILE ?PROC?
1945 */
1946 static int SQLITE_TCLAPI test_load_extension(
1947   ClientData clientData, /* Not used */
1948   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
1949   int objc,              /* Number of arguments */
1950   Tcl_Obj *CONST objv[]  /* Command arguments */
1951 ){
1952   Tcl_CmdInfo cmdInfo;
1953   sqlite3 *db;
1954   int rc;
1955   char *zDb;
1956   char *zFile;
1957   char *zProc = 0;
1958   char *zErr = 0;
1959 
1960   if( objc!=4 && objc!=3 ){
1961     Tcl_WrongNumArgs(interp, 1, objv, "DB-HANDLE FILE ?PROC?");
1962     return TCL_ERROR;
1963   }
1964   zDb = Tcl_GetString(objv[1]);
1965   zFile = Tcl_GetString(objv[2]);
1966   if( objc==4 ){
1967     zProc = Tcl_GetString(objv[3]);
1968   }
1969 
1970   /* Extract the C database handle from the Tcl command name */
1971   if( !Tcl_GetCommandInfo(interp, zDb, &cmdInfo) ){
1972     Tcl_AppendResult(interp, "command not found: ", zDb, (char*)0);
1973     return TCL_ERROR;
1974   }
1975   db = ((struct SqliteDb*)cmdInfo.objClientData)->db;
1976   assert(db);
1977 
1978   /* Call the underlying C function. If an error occurs, set rc to
1979   ** TCL_ERROR and load any error string into the interpreter. If no
1980   ** error occurs, set rc to TCL_OK.
1981   */
1982 #ifdef SQLITE_OMIT_LOAD_EXTENSION
1983   rc = SQLITE_ERROR;
1984   zErr = sqlite3_mprintf("this build omits sqlite3_load_extension()");
1985   (void)zProc;
1986   (void)zFile;
1987 #else
1988   rc = sqlite3_load_extension(db, zFile, zProc, &zErr);
1989 #endif
1990   if( rc!=SQLITE_OK ){
1991     Tcl_SetResult(interp, zErr ? zErr : "", TCL_VOLATILE);
1992     rc = TCL_ERROR;
1993   }else{
1994     rc = TCL_OK;
1995   }
1996   sqlite3_free(zErr);
1997 
1998   return rc;
1999 }
2000 
2001 /*
2002 ** Usage: sqlite3_enable_load_extension DB-HANDLE ONOFF
2003 */
2004 static int SQLITE_TCLAPI test_enable_load(
2005   ClientData clientData, /* Not used */
2006   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
2007   int objc,              /* Number of arguments */
2008   Tcl_Obj *CONST objv[]  /* Command arguments */
2009 ){
2010   Tcl_CmdInfo cmdInfo;
2011   sqlite3 *db;
2012   char *zDb;
2013   int onoff;
2014 
2015   if( objc!=3 ){
2016     Tcl_WrongNumArgs(interp, 1, objv, "DB-HANDLE ONOFF");
2017     return TCL_ERROR;
2018   }
2019   zDb = Tcl_GetString(objv[1]);
2020 
2021   /* Extract the C database handle from the Tcl command name */
2022   if( !Tcl_GetCommandInfo(interp, zDb, &cmdInfo) ){
2023     Tcl_AppendResult(interp, "command not found: ", zDb, (char*)0);
2024     return TCL_ERROR;
2025   }
2026   db = ((struct SqliteDb*)cmdInfo.objClientData)->db;
2027   assert(db);
2028 
2029   /* Get the onoff parameter */
2030   if( Tcl_GetBooleanFromObj(interp, objv[2], &onoff) ){
2031     return TCL_ERROR;
2032   }
2033 
2034 #ifdef SQLITE_OMIT_LOAD_EXTENSION
2035   Tcl_AppendResult(interp, "this build omits sqlite3_load_extension()");
2036   return TCL_ERROR;
2037 #else
2038   sqlite3_enable_load_extension(db, onoff);
2039   return TCL_OK;
2040 #endif
2041 }
2042 
2043 /*
2044 ** Usage:  sqlite_abort
2045 **
2046 ** Shutdown the process immediately.  This is not a clean shutdown.
2047 ** This command is used to test the recoverability of a database in
2048 ** the event of a program crash.
2049 */
2050 static int SQLITE_TCLAPI sqlite_abort(
2051   void *NotUsed,
2052   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
2053   int argc,              /* Number of arguments */
2054   char **argv            /* Text of each argument */
2055 ){
2056 #if defined(_MSC_VER)
2057   /* We do this, otherwise the test will halt with a popup message
2058    * that we have to click away before the test will continue.
2059    */
2060   _set_abort_behavior( 0, _CALL_REPORTFAULT );
2061 #endif
2062   exit(255);
2063   assert( interp==0 );   /* This will always fail */
2064   return TCL_OK;
2065 }
2066 
2067 /*
2068 ** The following routine is a user-defined SQL function whose purpose
2069 ** is to test the sqlite_set_result() API.
2070 */
2071 static void testFunc(sqlite3_context *context, int argc, sqlite3_value **argv){
2072   while( argc>=2 ){
2073     const char *zArg0 = (char*)sqlite3_value_text(argv[0]);
2074     if( zArg0 ){
2075       if( 0==sqlite3StrICmp(zArg0, "int") ){
2076         sqlite3_result_int(context, sqlite3_value_int(argv[1]));
2077       }else if( sqlite3StrICmp(zArg0,"int64")==0 ){
2078         sqlite3_result_int64(context, sqlite3_value_int64(argv[1]));
2079       }else if( sqlite3StrICmp(zArg0,"string")==0 ){
2080         sqlite3_result_text(context, (char*)sqlite3_value_text(argv[1]), -1,
2081             SQLITE_TRANSIENT);
2082       }else if( sqlite3StrICmp(zArg0,"double")==0 ){
2083         sqlite3_result_double(context, sqlite3_value_double(argv[1]));
2084       }else if( sqlite3StrICmp(zArg0,"null")==0 ){
2085         sqlite3_result_null(context);
2086       }else if( sqlite3StrICmp(zArg0,"value")==0 ){
2087         sqlite3_result_value(context, argv[sqlite3_value_int(argv[1])]);
2088       }else{
2089         goto error_out;
2090       }
2091     }else{
2092       goto error_out;
2093     }
2094     argc -= 2;
2095     argv += 2;
2096   }
2097   return;
2098 
2099 error_out:
2100   sqlite3_result_error(context,"first argument should be one of: "
2101       "int int64 string double null value", -1);
2102 }
2103 
2104 /*
2105 ** Usage:   sqlite_register_test_function  DB  NAME
2106 **
2107 ** Register the test SQL function on the database DB under the name NAME.
2108 */
2109 static int SQLITE_TCLAPI test_register_func(
2110   void *NotUsed,
2111   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
2112   int argc,              /* Number of arguments */
2113   char **argv            /* Text of each argument */
2114 ){
2115   sqlite3 *db;
2116   int rc;
2117   if( argc!=3 ){
2118     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
2119        " DB FUNCTION-NAME", 0);
2120     return TCL_ERROR;
2121   }
2122   if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
2123   rc = sqlite3_create_function(db, argv[2], -1, SQLITE_UTF8, 0,
2124       testFunc, 0, 0);
2125   if( rc!=0 ){
2126     Tcl_AppendResult(interp, sqlite3ErrStr(rc), 0);
2127     return TCL_ERROR;
2128   }
2129   if( sqlite3TestErrCode(interp, db, rc) ) return TCL_ERROR;
2130   return TCL_OK;
2131 }
2132 
2133 /*
2134 ** Usage:  sqlite3_finalize  STMT
2135 **
2136 ** Finalize a statement handle.
2137 */
2138 static int SQLITE_TCLAPI test_finalize(
2139   void * clientData,
2140   Tcl_Interp *interp,
2141   int objc,
2142   Tcl_Obj *CONST objv[]
2143 ){
2144   sqlite3_stmt *pStmt;
2145   int rc;
2146   sqlite3 *db = 0;
2147 
2148   if( objc!=2 ){
2149     Tcl_AppendResult(interp, "wrong # args: should be \"",
2150         Tcl_GetStringFromObj(objv[0], 0), " <STMT>", 0);
2151     return TCL_ERROR;
2152   }
2153 
2154   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
2155 
2156   if( pStmt ){
2157     db = StmtToDb(pStmt);
2158   }
2159   rc = sqlite3_finalize(pStmt);
2160   Tcl_SetResult(interp, (char *)t1ErrorName(rc), TCL_STATIC);
2161   if( db && sqlite3TestErrCode(interp, db, rc) ) return TCL_ERROR;
2162   return TCL_OK;
2163 }
2164 
2165 /*
2166 ** Usage:  sqlite3_stmt_status  STMT  CODE  RESETFLAG
2167 **
2168 ** Get the value of a status counter from a statement.
2169 */
2170 static int SQLITE_TCLAPI test_stmt_status(
2171   void * clientData,
2172   Tcl_Interp *interp,
2173   int objc,
2174   Tcl_Obj *CONST objv[]
2175 ){
2176   int iValue;
2177   int i, op = 0, resetFlag;
2178   const char *zOpName;
2179   sqlite3_stmt *pStmt;
2180 
2181   static const struct {
2182     const char *zName;
2183     int op;
2184   } aOp[] = {
2185     { "SQLITE_STMTSTATUS_FULLSCAN_STEP",   SQLITE_STMTSTATUS_FULLSCAN_STEP   },
2186     { "SQLITE_STMTSTATUS_SORT",            SQLITE_STMTSTATUS_SORT            },
2187     { "SQLITE_STMTSTATUS_AUTOINDEX",       SQLITE_STMTSTATUS_AUTOINDEX       },
2188     { "SQLITE_STMTSTATUS_VM_STEP",         SQLITE_STMTSTATUS_VM_STEP         },
2189     { "SQLITE_STMTSTATUS_REPREPARE",       SQLITE_STMTSTATUS_REPREPARE       },
2190     { "SQLITE_STMTSTATUS_RUN",             SQLITE_STMTSTATUS_RUN             },
2191     { "SQLITE_STMTSTATUS_MEMUSED",         SQLITE_STMTSTATUS_MEMUSED         },
2192   };
2193   if( objc!=4 ){
2194     Tcl_WrongNumArgs(interp, 1, objv, "STMT PARAMETER RESETFLAG");
2195     return TCL_ERROR;
2196   }
2197   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
2198   zOpName = Tcl_GetString(objv[2]);
2199   for(i=0; i<ArraySize(aOp); i++){
2200     if( strcmp(aOp[i].zName, zOpName)==0 ){
2201       op = aOp[i].op;
2202       break;
2203     }
2204   }
2205   if( i>=ArraySize(aOp) ){
2206     if( Tcl_GetIntFromObj(interp, objv[2], &op) ) return TCL_ERROR;
2207   }
2208   if( Tcl_GetBooleanFromObj(interp, objv[3], &resetFlag) ) return TCL_ERROR;
2209   iValue = sqlite3_stmt_status(pStmt, op, resetFlag);
2210   Tcl_SetObjResult(interp, Tcl_NewIntObj(iValue));
2211   return TCL_OK;
2212 }
2213 
2214 #ifdef SQLITE_ENABLE_STMT_SCANSTATUS
2215 /*
2216 ** Usage:  sqlite3_stmt_scanstatus STMT IDX
2217 */
2218 static int SQLITE_TCLAPI test_stmt_scanstatus(
2219   void * clientData,
2220   Tcl_Interp *interp,
2221   int objc,
2222   Tcl_Obj *CONST objv[]
2223 ){
2224   sqlite3_stmt *pStmt;            /* First argument */
2225   int idx;                        /* Second argument */
2226 
2227   const char *zName;
2228   const char *zExplain;
2229   sqlite3_int64 nLoop;
2230   sqlite3_int64 nVisit;
2231   double rEst;
2232   int res;
2233 
2234   if( objc!=3 ){
2235     Tcl_WrongNumArgs(interp, 1, objv, "STMT IDX");
2236     return TCL_ERROR;
2237   }
2238   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
2239   if( Tcl_GetIntFromObj(interp, objv[2], &idx) ) return TCL_ERROR;
2240 
2241   res = sqlite3_stmt_scanstatus(pStmt, idx, SQLITE_SCANSTAT_NLOOP, (void*)&nLoop);
2242   if( res==0 ){
2243     Tcl_Obj *pRet = Tcl_NewObj();
2244     Tcl_ListObjAppendElement(0, pRet, Tcl_NewStringObj("nLoop", -1));
2245     Tcl_ListObjAppendElement(0, pRet, Tcl_NewWideIntObj(nLoop));
2246     sqlite3_stmt_scanstatus(pStmt, idx, SQLITE_SCANSTAT_NVISIT, (void*)&nVisit);
2247     Tcl_ListObjAppendElement(0, pRet, Tcl_NewStringObj("nVisit", -1));
2248     Tcl_ListObjAppendElement(0, pRet, Tcl_NewWideIntObj(nVisit));
2249     sqlite3_stmt_scanstatus(pStmt, idx, SQLITE_SCANSTAT_EST, (void*)&rEst);
2250     Tcl_ListObjAppendElement(0, pRet, Tcl_NewStringObj("nEst", -1));
2251     Tcl_ListObjAppendElement(0, pRet, Tcl_NewDoubleObj(rEst));
2252     sqlite3_stmt_scanstatus(pStmt, idx, SQLITE_SCANSTAT_NAME, (void*)&zName);
2253     Tcl_ListObjAppendElement(0, pRet, Tcl_NewStringObj("zName", -1));
2254     Tcl_ListObjAppendElement(0, pRet, Tcl_NewStringObj(zName, -1));
2255     sqlite3_stmt_scanstatus(pStmt, idx, SQLITE_SCANSTAT_EXPLAIN, (void*)&zExplain);
2256     Tcl_ListObjAppendElement(0, pRet, Tcl_NewStringObj("zExplain", -1));
2257     Tcl_ListObjAppendElement(0, pRet, Tcl_NewStringObj(zExplain, -1));
2258     Tcl_SetObjResult(interp, pRet);
2259   }else{
2260     Tcl_ResetResult(interp);
2261   }
2262   return TCL_OK;
2263 }
2264 
2265 /*
2266 ** Usage:  sqlite3_stmt_scanstatus_reset  STMT
2267 */
2268 static int SQLITE_TCLAPI test_stmt_scanstatus_reset(
2269   void * clientData,
2270   Tcl_Interp *interp,
2271   int objc,
2272   Tcl_Obj *CONST objv[]
2273 ){
2274   sqlite3_stmt *pStmt;            /* First argument */
2275   if( objc!=2 ){
2276     Tcl_WrongNumArgs(interp, 1, objv, "STMT");
2277     return TCL_ERROR;
2278   }
2279   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
2280   sqlite3_stmt_scanstatus_reset(pStmt);
2281   return TCL_OK;
2282 }
2283 #endif
2284 
2285 #ifdef SQLITE_ENABLE_SQLLOG
2286 /*
2287 ** Usage:  sqlite3_config_sqllog
2288 **
2289 ** Zero the SQLITE_CONFIG_SQLLOG configuration
2290 */
2291 static int SQLITE_TCLAPI test_config_sqllog(
2292   void * clientData,
2293   Tcl_Interp *interp,
2294   int objc,
2295   Tcl_Obj *CONST objv[]
2296 ){
2297   if( objc!=1 ){
2298     Tcl_WrongNumArgs(interp, 1, objv, "");
2299     return TCL_ERROR;
2300   }
2301   sqlite3_config(SQLITE_CONFIG_SQLLOG, 0, 0);
2302   return TCL_OK;
2303 }
2304 #endif
2305 
2306 /*
2307 ** Usage:  sqlite3_config_sorterref
2308 **
2309 ** Set the SQLITE_CONFIG_SORTERREF_SIZE configuration option
2310 */
2311 static int SQLITE_TCLAPI test_config_sorterref(
2312   void * clientData,
2313   Tcl_Interp *interp,
2314   int objc,
2315   Tcl_Obj *CONST objv[]
2316 ){
2317   int iVal;
2318   if( objc!=2 ){
2319     Tcl_WrongNumArgs(interp, 1, objv, "NBYTE");
2320     return TCL_ERROR;
2321   }
2322   if( Tcl_GetIntFromObj(interp, objv[1], &iVal) ) return TCL_ERROR;
2323   sqlite3_config(SQLITE_CONFIG_SORTERREF_SIZE, iVal);
2324   return TCL_OK;
2325 }
2326 
2327 /*
2328 ** Usage: vfs_current_time_int64
2329 **
2330 ** Return the value returned by the default VFS's xCurrentTimeInt64 method.
2331 */
2332 static int SQLITE_TCLAPI vfsCurrentTimeInt64(
2333   void * clientData,
2334   Tcl_Interp *interp,
2335   int objc,
2336   Tcl_Obj *CONST objv[]
2337 ){
2338   i64 t;
2339   sqlite3_vfs *pVfs = sqlite3_vfs_find(0);
2340   if( objc!=1 ){
2341     Tcl_WrongNumArgs(interp, 1, objv, "");
2342     return TCL_ERROR;
2343   }
2344   pVfs->xCurrentTimeInt64(pVfs, &t);
2345   Tcl_SetObjResult(interp, Tcl_NewWideIntObj(t));
2346   return TCL_OK;
2347 }
2348 
2349 #ifdef SQLITE_ENABLE_SNAPSHOT
2350 /*
2351 ** Usage: sqlite3_snapshot_get DB DBNAME
2352 */
2353 static int SQLITE_TCLAPI test_snapshot_get(
2354   void * clientData,
2355   Tcl_Interp *interp,
2356   int objc,
2357   Tcl_Obj *CONST objv[]
2358 ){
2359   int rc;
2360   sqlite3 *db;
2361   char *zName;
2362   sqlite3_snapshot *pSnapshot = 0;
2363 
2364   if( objc!=3 ){
2365     Tcl_WrongNumArgs(interp, 1, objv, "DB DBNAME");
2366     return TCL_ERROR;
2367   }
2368   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
2369   zName = Tcl_GetString(objv[2]);
2370 
2371   rc = sqlite3_snapshot_get(db, zName, &pSnapshot);
2372   if( rc!=SQLITE_OK ){
2373     Tcl_SetObjResult(interp, Tcl_NewStringObj(sqlite3ErrName(rc), -1));
2374     return TCL_ERROR;
2375   }else{
2376     char zBuf[100];
2377     if( sqlite3TestMakePointerStr(interp, zBuf, pSnapshot) ) return TCL_ERROR;
2378     Tcl_SetObjResult(interp, Tcl_NewStringObj(zBuf, -1));
2379   }
2380   return TCL_OK;
2381 }
2382 #endif /* SQLITE_ENABLE_SNAPSHOT */
2383 
2384 #ifdef SQLITE_ENABLE_SNAPSHOT
2385 /*
2386 ** Usage: sqlite3_snapshot_recover DB DBNAME
2387 */
2388 static int SQLITE_TCLAPI test_snapshot_recover(
2389   void * clientData,
2390   Tcl_Interp *interp,
2391   int objc,
2392   Tcl_Obj *CONST objv[]
2393 ){
2394   int rc;
2395   sqlite3 *db;
2396   char *zName;
2397 
2398   if( objc!=3 ){
2399     Tcl_WrongNumArgs(interp, 1, objv, "DB DBNAME");
2400     return TCL_ERROR;
2401   }
2402   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
2403   zName = Tcl_GetString(objv[2]);
2404 
2405   rc = sqlite3_snapshot_recover(db, zName);
2406   if( rc!=SQLITE_OK ){
2407     Tcl_SetObjResult(interp, Tcl_NewStringObj(sqlite3ErrName(rc), -1));
2408     return TCL_ERROR;
2409   }else{
2410     Tcl_ResetResult(interp);
2411   }
2412   return TCL_OK;
2413 }
2414 #endif /* SQLITE_ENABLE_SNAPSHOT */
2415 
2416 #ifdef SQLITE_ENABLE_SNAPSHOT
2417 /*
2418 ** Usage: sqlite3_snapshot_open DB DBNAME SNAPSHOT
2419 */
2420 static int SQLITE_TCLAPI test_snapshot_open(
2421   void * clientData,
2422   Tcl_Interp *interp,
2423   int objc,
2424   Tcl_Obj *CONST objv[]
2425 ){
2426   int rc;
2427   sqlite3 *db;
2428   char *zName;
2429   sqlite3_snapshot *pSnapshot;
2430 
2431   if( objc!=4 ){
2432     Tcl_WrongNumArgs(interp, 1, objv, "DB DBNAME SNAPSHOT");
2433     return TCL_ERROR;
2434   }
2435   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
2436   zName = Tcl_GetString(objv[2]);
2437   pSnapshot = (sqlite3_snapshot*)sqlite3TestTextToPtr(Tcl_GetString(objv[3]));
2438 
2439   rc = sqlite3_snapshot_open(db, zName, pSnapshot);
2440   if( rc!=SQLITE_OK ){
2441     Tcl_SetObjResult(interp, Tcl_NewStringObj(sqlite3ErrName(rc), -1));
2442     return TCL_ERROR;
2443   }else{
2444     Tcl_ResetResult(interp);
2445   }
2446   return TCL_OK;
2447 }
2448 #endif /* SQLITE_ENABLE_SNAPSHOT */
2449 
2450 #ifdef SQLITE_ENABLE_SNAPSHOT
2451 /*
2452 ** Usage: sqlite3_snapshot_free SNAPSHOT
2453 */
2454 static int SQLITE_TCLAPI test_snapshot_free(
2455   void * clientData,
2456   Tcl_Interp *interp,
2457   int objc,
2458   Tcl_Obj *CONST objv[]
2459 ){
2460   sqlite3_snapshot *pSnapshot;
2461   if( objc!=2 ){
2462     Tcl_WrongNumArgs(interp, 1, objv, "SNAPSHOT");
2463     return TCL_ERROR;
2464   }
2465   pSnapshot = (sqlite3_snapshot*)sqlite3TestTextToPtr(Tcl_GetString(objv[1]));
2466   sqlite3_snapshot_free(pSnapshot);
2467   return TCL_OK;
2468 }
2469 #endif /* SQLITE_ENABLE_SNAPSHOT */
2470 
2471 #ifdef SQLITE_ENABLE_SNAPSHOT
2472 /*
2473 ** Usage: sqlite3_snapshot_cmp SNAPSHOT1 SNAPSHOT2
2474 */
2475 static int SQLITE_TCLAPI test_snapshot_cmp(
2476   void * clientData,
2477   Tcl_Interp *interp,
2478   int objc,
2479   Tcl_Obj *CONST objv[]
2480 ){
2481   int res;
2482   sqlite3_snapshot *p1;
2483   sqlite3_snapshot *p2;
2484   if( objc!=3 ){
2485     Tcl_WrongNumArgs(interp, 1, objv, "SNAPSHOT1 SNAPSHOT2");
2486     return TCL_ERROR;
2487   }
2488   p1 = (sqlite3_snapshot*)sqlite3TestTextToPtr(Tcl_GetString(objv[1]));
2489   p2 = (sqlite3_snapshot*)sqlite3TestTextToPtr(Tcl_GetString(objv[2]));
2490   res = sqlite3_snapshot_cmp(p1, p2);
2491   Tcl_SetObjResult(interp, Tcl_NewIntObj(res));
2492   return TCL_OK;
2493 }
2494 #endif /* SQLITE_ENABLE_SNAPSHOT */
2495 
2496 #ifdef SQLITE_ENABLE_SNAPSHOT
2497 /*
2498 ** Usage: sqlite3_snapshot_get_blob DB DBNAME
2499 */
2500 static int SQLITE_TCLAPI test_snapshot_get_blob(
2501   void * clientData,
2502   Tcl_Interp *interp,
2503   int objc,
2504   Tcl_Obj *CONST objv[]
2505 ){
2506   int rc;
2507   sqlite3 *db;
2508   char *zName;
2509   sqlite3_snapshot *pSnapshot = 0;
2510 
2511   if( objc!=3 ){
2512     Tcl_WrongNumArgs(interp, 1, objv, "DB DBNAME");
2513     return TCL_ERROR;
2514   }
2515   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
2516   zName = Tcl_GetString(objv[2]);
2517 
2518   rc = sqlite3_snapshot_get(db, zName, &pSnapshot);
2519   if( rc!=SQLITE_OK ){
2520     Tcl_SetObjResult(interp, Tcl_NewStringObj(sqlite3ErrName(rc), -1));
2521     return TCL_ERROR;
2522   }else{
2523     Tcl_SetObjResult(interp,
2524         Tcl_NewByteArrayObj((unsigned char*)pSnapshot, sizeof(sqlite3_snapshot))
2525     );
2526     sqlite3_snapshot_free(pSnapshot);
2527   }
2528   return TCL_OK;
2529 }
2530 #endif /* SQLITE_ENABLE_SNAPSHOT */
2531 
2532 #ifdef SQLITE_ENABLE_SNAPSHOT
2533   /*
2534   ** Usage: sqlite3_snapshot_open_blob DB DBNAME SNAPSHOT
2535 */
2536 static int SQLITE_TCLAPI test_snapshot_open_blob(
2537   void * clientData,
2538   Tcl_Interp *interp,
2539   int objc,
2540   Tcl_Obj *CONST objv[]
2541 ){
2542   int rc;
2543   sqlite3 *db;
2544   char *zName;
2545   unsigned char *pBlob;
2546   int nBlob;
2547 
2548   if( objc!=4 ){
2549     Tcl_WrongNumArgs(interp, 1, objv, "DB DBNAME SNAPSHOT");
2550     return TCL_ERROR;
2551   }
2552   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
2553   zName = Tcl_GetString(objv[2]);
2554   pBlob = Tcl_GetByteArrayFromObj(objv[3], &nBlob);
2555   if( nBlob!=sizeof(sqlite3_snapshot) ){
2556     Tcl_AppendResult(interp, "bad SNAPSHOT", 0);
2557     return TCL_ERROR;
2558   }
2559   rc = sqlite3_snapshot_open(db, zName, (sqlite3_snapshot*)pBlob);
2560   if( rc!=SQLITE_OK ){
2561     Tcl_SetObjResult(interp, Tcl_NewStringObj(sqlite3ErrName(rc), -1));
2562     return TCL_ERROR;
2563   }
2564   return TCL_OK;
2565 }
2566 #endif /* SQLITE_ENABLE_SNAPSHOT */
2567 
2568 #ifdef SQLITE_ENABLE_SNAPSHOT
2569 /*
2570 ** Usage: sqlite3_snapshot_cmp_blob SNAPSHOT1 SNAPSHOT2
2571 */
2572 static int SQLITE_TCLAPI test_snapshot_cmp_blob(
2573   void * clientData,
2574   Tcl_Interp *interp,
2575   int objc,
2576   Tcl_Obj *CONST objv[]
2577 ){
2578   int res;
2579   unsigned char *p1;
2580   unsigned char *p2;
2581   int n1;
2582   int n2;
2583 
2584   if( objc!=3 ){
2585     Tcl_WrongNumArgs(interp, 1, objv, "SNAPSHOT1 SNAPSHOT2");
2586     return TCL_ERROR;
2587   }
2588 
2589   p1 = Tcl_GetByteArrayFromObj(objv[1], &n1);
2590   p2 = Tcl_GetByteArrayFromObj(objv[2], &n2);
2591 
2592   if( n1!=sizeof(sqlite3_snapshot) || n1!=n2 ){
2593     Tcl_AppendResult(interp, "bad SNAPSHOT", 0);
2594     return TCL_ERROR;
2595   }
2596 
2597   res = sqlite3_snapshot_cmp((sqlite3_snapshot*)p1, (sqlite3_snapshot*)p2);
2598   Tcl_SetObjResult(interp, Tcl_NewIntObj(res));
2599   return TCL_OK;
2600 }
2601 #endif /* SQLITE_ENABLE_SNAPSHOT */
2602 
2603 /*
2604 ** Usage: sqlite3_delete_database FILENAME
2605 */
2606 int sqlite3_delete_database(const char*);   /* in test_delete.c */
2607 static int SQLITE_TCLAPI test_delete_database(
2608   void * clientData,
2609   Tcl_Interp *interp,
2610   int objc,
2611   Tcl_Obj *CONST objv[]
2612 ){
2613   int rc;
2614   const char *zFile;
2615   if( objc!=2 ){
2616     Tcl_WrongNumArgs(interp, 1, objv, "FILE");
2617     return TCL_ERROR;
2618   }
2619   zFile = (const char*)Tcl_GetString(objv[1]);
2620   rc = sqlite3_delete_database(zFile);
2621 
2622   Tcl_SetObjResult(interp, Tcl_NewStringObj(sqlite3ErrName(rc), -1));
2623   return TCL_OK;
2624 }
2625 
2626 /*
2627 ** Usage: atomic_batch_write PATH
2628 */
2629 static int SQLITE_TCLAPI test_atomic_batch_write(
2630   void * clientData,
2631   Tcl_Interp *interp,
2632   int objc,
2633   Tcl_Obj *CONST objv[]
2634 ){
2635   char *zFile = 0;                /* Path to file to test */
2636   sqlite3 *db = 0;                /* Database handle */
2637   sqlite3_file *pFd = 0;          /* SQLite fd open on zFile */
2638   int bRes = 0;                   /* Integer result of this command */
2639   int dc = 0;                     /* Device-characteristics mask */
2640   int rc;                         /* sqlite3_open() return code */
2641 
2642   if( objc!=2 ){
2643     Tcl_WrongNumArgs(interp, 1, objv, "PATH");
2644     return TCL_ERROR;
2645   }
2646   zFile = Tcl_GetString(objv[1]);
2647 
2648   rc = sqlite3_open(zFile, &db);
2649   if( rc!=SQLITE_OK ){
2650     Tcl_AppendResult(interp, sqlite3_errmsg(db), 0);
2651     sqlite3_close(db);
2652     return TCL_ERROR;
2653   }
2654 
2655   rc = sqlite3_file_control(db, "main", SQLITE_FCNTL_FILE_POINTER, (void*)&pFd);
2656   dc = pFd->pMethods->xDeviceCharacteristics(pFd);
2657   if( dc & SQLITE_IOCAP_BATCH_ATOMIC ){
2658     bRes = 1;
2659   }
2660 
2661   Tcl_SetObjResult(interp, Tcl_NewIntObj(bRes));
2662   sqlite3_close(db);
2663   return TCL_OK;
2664 }
2665 
2666 /*
2667 ** Usage:  sqlite3_next_stmt  DB  STMT
2668 **
2669 ** Return the next statment in sequence after STMT.
2670 */
2671 static int SQLITE_TCLAPI test_next_stmt(
2672   void * clientData,
2673   Tcl_Interp *interp,
2674   int objc,
2675   Tcl_Obj *CONST objv[]
2676 ){
2677   sqlite3_stmt *pStmt;
2678   sqlite3 *db = 0;
2679   char zBuf[50];
2680 
2681   if( objc!=3 ){
2682     Tcl_AppendResult(interp, "wrong # args: should be \"",
2683         Tcl_GetStringFromObj(objv[0], 0), " DB STMT", 0);
2684     return TCL_ERROR;
2685   }
2686 
2687   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
2688   if( getStmtPointer(interp, Tcl_GetString(objv[2]), &pStmt) ) return TCL_ERROR;
2689   pStmt = sqlite3_next_stmt(db, pStmt);
2690   if( pStmt ){
2691     if( sqlite3TestMakePointerStr(interp, zBuf, pStmt) ) return TCL_ERROR;
2692     Tcl_AppendResult(interp, zBuf, 0);
2693   }
2694   return TCL_OK;
2695 }
2696 
2697 /*
2698 ** Usage:  sqlite3_stmt_readonly  STMT
2699 **
2700 ** Return true if STMT is a NULL pointer or a pointer to a statement
2701 ** that is guaranteed to leave the database unmodified.
2702 */
2703 static int SQLITE_TCLAPI test_stmt_readonly(
2704   void * clientData,
2705   Tcl_Interp *interp,
2706   int objc,
2707   Tcl_Obj *CONST objv[]
2708 ){
2709   sqlite3_stmt *pStmt;
2710   int rc;
2711 
2712   if( objc!=2 ){
2713     Tcl_AppendResult(interp, "wrong # args: should be \"",
2714         Tcl_GetStringFromObj(objv[0], 0), " STMT", 0);
2715     return TCL_ERROR;
2716   }
2717 
2718   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
2719   rc = sqlite3_stmt_readonly(pStmt);
2720   Tcl_SetObjResult(interp, Tcl_NewBooleanObj(rc));
2721   return TCL_OK;
2722 }
2723 
2724 /*
2725 ** Usage:  sqlite3_stmt_isexplain  STMT
2726 **
2727 ** Return 1, 2, or 0 respectively if STMT is an EXPLAIN statement, an
2728 ** EXPLAIN QUERY PLAN statement or an ordinary statement or NULL pointer.
2729 */
2730 static int SQLITE_TCLAPI test_stmt_isexplain(
2731   void * clientData,
2732   Tcl_Interp *interp,
2733   int objc,
2734   Tcl_Obj *CONST objv[]
2735 ){
2736   sqlite3_stmt *pStmt;
2737   int rc;
2738 
2739   if( objc!=2 ){
2740     Tcl_AppendResult(interp, "wrong # args: should be \"",
2741         Tcl_GetStringFromObj(objv[0], 0), " STMT", 0);
2742     return TCL_ERROR;
2743   }
2744 
2745   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
2746   rc = sqlite3_stmt_isexplain(pStmt);
2747   Tcl_SetObjResult(interp, Tcl_NewIntObj(rc));
2748   return TCL_OK;
2749 }
2750 
2751 /*
2752 ** Usage:  sqlite3_stmt_busy  STMT
2753 **
2754 ** Return true if STMT is a non-NULL pointer to a statement
2755 ** that has been stepped but not to completion.
2756 */
2757 static int SQLITE_TCLAPI test_stmt_busy(
2758   void * clientData,
2759   Tcl_Interp *interp,
2760   int objc,
2761   Tcl_Obj *CONST objv[]
2762 ){
2763   sqlite3_stmt *pStmt;
2764   int rc;
2765 
2766   if( objc!=2 ){
2767     Tcl_AppendResult(interp, "wrong # args: should be \"",
2768         Tcl_GetStringFromObj(objv[0], 0), " STMT", 0);
2769     return TCL_ERROR;
2770   }
2771 
2772   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
2773   rc = sqlite3_stmt_busy(pStmt);
2774   Tcl_SetObjResult(interp, Tcl_NewBooleanObj(rc));
2775   return TCL_OK;
2776 }
2777 
2778 /*
2779 ** Usage:  uses_stmt_journal  STMT
2780 **
2781 ** Return true if STMT uses a statement journal.
2782 */
2783 static int SQLITE_TCLAPI uses_stmt_journal(
2784   void * clientData,
2785   Tcl_Interp *interp,
2786   int objc,
2787   Tcl_Obj *CONST objv[]
2788 ){
2789   sqlite3_stmt *pStmt;
2790 
2791   if( objc!=2 ){
2792     Tcl_AppendResult(interp, "wrong # args: should be \"",
2793         Tcl_GetStringFromObj(objv[0], 0), " STMT", 0);
2794     return TCL_ERROR;
2795   }
2796 
2797   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
2798   sqlite3_stmt_readonly(pStmt);
2799   Tcl_SetObjResult(interp, Tcl_NewBooleanObj(((Vdbe *)pStmt)->usesStmtJournal));
2800   return TCL_OK;
2801 }
2802 
2803 
2804 /*
2805 ** Usage:  sqlite3_reset  STMT
2806 **
2807 ** Reset a statement handle.
2808 */
2809 static int SQLITE_TCLAPI test_reset(
2810   void * clientData,
2811   Tcl_Interp *interp,
2812   int objc,
2813   Tcl_Obj *CONST objv[]
2814 ){
2815   sqlite3_stmt *pStmt;
2816   int rc;
2817 
2818   if( objc!=2 ){
2819     Tcl_AppendResult(interp, "wrong # args: should be \"",
2820         Tcl_GetStringFromObj(objv[0], 0), " <STMT>", 0);
2821     return TCL_ERROR;
2822   }
2823 
2824   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
2825 
2826   rc = sqlite3_reset(pStmt);
2827   if( pStmt && sqlite3TestErrCode(interp, StmtToDb(pStmt), rc) ){
2828     return TCL_ERROR;
2829   }
2830   Tcl_SetResult(interp, (char *)t1ErrorName(rc), TCL_STATIC);
2831 /*
2832   if( rc ){
2833     return TCL_ERROR;
2834   }
2835 */
2836   return TCL_OK;
2837 }
2838 
2839 /*
2840 ** Usage:  sqlite3_expired STMT
2841 **
2842 ** Return TRUE if a recompilation of the statement is recommended.
2843 */
2844 static int SQLITE_TCLAPI test_expired(
2845   void * clientData,
2846   Tcl_Interp *interp,
2847   int objc,
2848   Tcl_Obj *CONST objv[]
2849 ){
2850 #ifndef SQLITE_OMIT_DEPRECATED
2851   sqlite3_stmt *pStmt;
2852   if( objc!=2 ){
2853     Tcl_AppendResult(interp, "wrong # args: should be \"",
2854         Tcl_GetStringFromObj(objv[0], 0), " <STMT>", 0);
2855     return TCL_ERROR;
2856   }
2857   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
2858   Tcl_SetObjResult(interp, Tcl_NewBooleanObj(sqlite3_expired(pStmt)));
2859 #endif
2860   return TCL_OK;
2861 }
2862 
2863 /*
2864 ** Usage:  sqlite3_transfer_bindings FROMSTMT TOSTMT
2865 **
2866 ** Transfer all bindings from FROMSTMT over to TOSTMT
2867 */
2868 static int SQLITE_TCLAPI test_transfer_bind(
2869   void * clientData,
2870   Tcl_Interp *interp,
2871   int objc,
2872   Tcl_Obj *CONST objv[]
2873 ){
2874 #ifndef SQLITE_OMIT_DEPRECATED
2875   sqlite3_stmt *pStmt1, *pStmt2;
2876   if( objc!=3 ){
2877     Tcl_AppendResult(interp, "wrong # args: should be \"",
2878         Tcl_GetStringFromObj(objv[0], 0), " FROM-STMT TO-STMT", 0);
2879     return TCL_ERROR;
2880   }
2881   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt1)) return TCL_ERROR;
2882   if( getStmtPointer(interp, Tcl_GetString(objv[2]), &pStmt2)) return TCL_ERROR;
2883   Tcl_SetObjResult(interp,
2884      Tcl_NewIntObj(sqlite3_transfer_bindings(pStmt1,pStmt2)));
2885 #endif
2886   return TCL_OK;
2887 }
2888 
2889 /*
2890 ** Usage:  sqlite3_changes DB
2891 **
2892 ** Return the number of changes made to the database by the last SQL
2893 ** execution.
2894 */
2895 static int SQLITE_TCLAPI test_changes(
2896   void * clientData,
2897   Tcl_Interp *interp,
2898   int objc,
2899   Tcl_Obj *CONST objv[]
2900 ){
2901   sqlite3 *db;
2902   if( objc!=2 ){
2903     Tcl_AppendResult(interp, "wrong # args: should be \"",
2904        Tcl_GetString(objv[0]), " DB", 0);
2905     return TCL_ERROR;
2906   }
2907   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
2908   Tcl_SetObjResult(interp, Tcl_NewIntObj(sqlite3_changes(db)));
2909   return TCL_OK;
2910 }
2911 
2912 /*
2913 ** This is the "static_bind_value" that variables are bound to when
2914 ** the FLAG option of sqlite3_bind is "static"
2915 */
2916 static char *sqlite_static_bind_value = 0;
2917 static int sqlite_static_bind_nbyte = 0;
2918 
2919 /*
2920 ** Usage:  sqlite3_bind  VM  IDX  VALUE  FLAGS
2921 **
2922 ** Sets the value of the IDX-th occurrence of "?" in the original SQL
2923 ** string.  VALUE is the new value.  If FLAGS=="null" then VALUE is
2924 ** ignored and the value is set to NULL.  If FLAGS=="static" then
2925 ** the value is set to the value of a static variable named
2926 ** "sqlite_static_bind_value".  If FLAGS=="normal" then a copy
2927 ** of the VALUE is made.  If FLAGS=="blob10" then a VALUE is ignored
2928 ** an a 10-byte blob "abc\000xyz\000pq" is inserted.
2929 */
2930 static int SQLITE_TCLAPI test_bind(
2931   void *NotUsed,
2932   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
2933   int argc,              /* Number of arguments */
2934   char **argv            /* Text of each argument */
2935 ){
2936   sqlite3_stmt *pStmt;
2937   int rc;
2938   int idx;
2939   if( argc!=5 ){
2940     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
2941        " VM IDX VALUE (null|static|normal)\"", 0);
2942     return TCL_ERROR;
2943   }
2944   if( getStmtPointer(interp, argv[1], &pStmt) ) return TCL_ERROR;
2945   if( Tcl_GetInt(interp, argv[2], &idx) ) return TCL_ERROR;
2946   if( strcmp(argv[4],"null")==0 ){
2947     rc = sqlite3_bind_null(pStmt, idx);
2948   }else if( strcmp(argv[4],"static")==0 ){
2949     rc = sqlite3_bind_text(pStmt, idx, sqlite_static_bind_value, -1, 0);
2950   }else if( strcmp(argv[4],"static-nbytes")==0 ){
2951     rc = sqlite3_bind_text(pStmt, idx, sqlite_static_bind_value,
2952                                        sqlite_static_bind_nbyte, 0);
2953   }else if( strcmp(argv[4],"normal")==0 ){
2954     rc = sqlite3_bind_text(pStmt, idx, argv[3], -1, SQLITE_TRANSIENT);
2955   }else if( strcmp(argv[4],"blob10")==0 ){
2956     rc = sqlite3_bind_text(pStmt, idx, "abc\000xyz\000pq", 10, SQLITE_STATIC);
2957   }else{
2958     Tcl_AppendResult(interp, "4th argument should be "
2959         "\"null\" or \"static\" or \"normal\"", 0);
2960     return TCL_ERROR;
2961   }
2962   if( sqlite3TestErrCode(interp, StmtToDb(pStmt), rc) ) return TCL_ERROR;
2963   if( rc ){
2964     char zBuf[50];
2965     sqlite3_snprintf(sizeof(zBuf), zBuf, "(%d) ", rc);
2966     Tcl_AppendResult(interp, zBuf, sqlite3ErrStr(rc), 0);
2967     return TCL_ERROR;
2968   }
2969   return TCL_OK;
2970 }
2971 
2972 #ifndef SQLITE_OMIT_UTF16
2973 /*
2974 ** Usage: add_test_collate <db ptr> <utf8> <utf16le> <utf16be>
2975 **
2976 ** This function is used to test that SQLite selects the correct collation
2977 ** sequence callback when multiple versions (for different text encodings)
2978 ** are available.
2979 **
2980 ** Calling this routine registers the collation sequence "test_collate"
2981 ** with database handle <db>. The second argument must be a list of three
2982 ** boolean values. If the first is true, then a version of test_collate is
2983 ** registered for UTF-8, if the second is true, a version is registered for
2984 ** UTF-16le, if the third is true, a UTF-16be version is available.
2985 ** Previous versions of test_collate are deleted.
2986 **
2987 ** The collation sequence test_collate is implemented by calling the
2988 ** following TCL script:
2989 **
2990 **   "test_collate <enc> <lhs> <rhs>"
2991 **
2992 ** The <lhs> and <rhs> are the two values being compared, encoded in UTF-8.
2993 ** The <enc> parameter is the encoding of the collation function that
2994 ** SQLite selected to call. The TCL test script implements the
2995 ** "test_collate" proc.
2996 **
2997 ** Note that this will only work with one interpreter at a time, as the
2998 ** interp pointer to use when evaluating the TCL script is stored in
2999 ** pTestCollateInterp.
3000 */
3001 static Tcl_Interp* pTestCollateInterp;
3002 static int test_collate_func(
3003   void *pCtx,
3004   int nA, const void *zA,
3005   int nB, const void *zB
3006 ){
3007   Tcl_Interp *i = pTestCollateInterp;
3008   int encin = SQLITE_PTR_TO_INT(pCtx);
3009   int res;
3010   int n;
3011 
3012   sqlite3_value *pVal;
3013   Tcl_Obj *pX;
3014 
3015   pX = Tcl_NewStringObj("test_collate", -1);
3016   Tcl_IncrRefCount(pX);
3017 
3018   switch( encin ){
3019     case SQLITE_UTF8:
3020       Tcl_ListObjAppendElement(i,pX,Tcl_NewStringObj("UTF-8",-1));
3021       break;
3022     case SQLITE_UTF16LE:
3023       Tcl_ListObjAppendElement(i,pX,Tcl_NewStringObj("UTF-16LE",-1));
3024       break;
3025     case SQLITE_UTF16BE:
3026       Tcl_ListObjAppendElement(i,pX,Tcl_NewStringObj("UTF-16BE",-1));
3027       break;
3028     default:
3029       assert(0);
3030   }
3031 
3032   sqlite3BeginBenignMalloc();
3033   pVal = sqlite3ValueNew(0);
3034   if( pVal ){
3035     sqlite3ValueSetStr(pVal, nA, zA, encin, SQLITE_STATIC);
3036     n = sqlite3_value_bytes(pVal);
3037     Tcl_ListObjAppendElement(i,pX,
3038         Tcl_NewStringObj((char*)sqlite3_value_text(pVal),n));
3039     sqlite3ValueSetStr(pVal, nB, zB, encin, SQLITE_STATIC);
3040     n = sqlite3_value_bytes(pVal);
3041     Tcl_ListObjAppendElement(i,pX,
3042         Tcl_NewStringObj((char*)sqlite3_value_text(pVal),n));
3043     sqlite3ValueFree(pVal);
3044   }
3045   sqlite3EndBenignMalloc();
3046 
3047   Tcl_EvalObjEx(i, pX, 0);
3048   Tcl_DecrRefCount(pX);
3049   Tcl_GetIntFromObj(i, Tcl_GetObjResult(i), &res);
3050   return res;
3051 }
3052 static int SQLITE_TCLAPI test_collate(
3053   void * clientData,
3054   Tcl_Interp *interp,
3055   int objc,
3056   Tcl_Obj *CONST objv[]
3057 ){
3058   sqlite3 *db;
3059   int val;
3060   sqlite3_value *pVal;
3061   int rc;
3062 
3063   if( objc!=5 ) goto bad_args;
3064   pTestCollateInterp = interp;
3065   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
3066 
3067   if( TCL_OK!=Tcl_GetBooleanFromObj(interp, objv[2], &val) ) return TCL_ERROR;
3068   rc = sqlite3_create_collation(db, "test_collate", SQLITE_UTF8,
3069           (void *)SQLITE_UTF8, val?test_collate_func:0);
3070   if( rc==SQLITE_OK ){
3071     const void *zUtf16;
3072     if( TCL_OK!=Tcl_GetBooleanFromObj(interp, objv[3], &val) ) return TCL_ERROR;
3073     rc = sqlite3_create_collation(db, "test_collate", SQLITE_UTF16LE,
3074             (void *)SQLITE_UTF16LE, val?test_collate_func:0);
3075     if( TCL_OK!=Tcl_GetBooleanFromObj(interp, objv[4], &val) ) return TCL_ERROR;
3076 
3077 #if 0
3078     if( sqlite3_iMallocFail>0 ){
3079       sqlite3_iMallocFail++;
3080     }
3081 #endif
3082     sqlite3_mutex_enter(db->mutex);
3083     pVal = sqlite3ValueNew(db);
3084     sqlite3ValueSetStr(pVal, -1, "test_collate", SQLITE_UTF8, SQLITE_STATIC);
3085     zUtf16 = sqlite3ValueText(pVal, SQLITE_UTF16NATIVE);
3086     if( db->mallocFailed ){
3087       rc = SQLITE_NOMEM;
3088     }else{
3089       rc = sqlite3_create_collation16(db, zUtf16, SQLITE_UTF16BE,
3090           (void *)SQLITE_UTF16BE, val?test_collate_func:0);
3091     }
3092     sqlite3ValueFree(pVal);
3093     sqlite3_mutex_leave(db->mutex);
3094   }
3095   if( sqlite3TestErrCode(interp, db, rc) ) return TCL_ERROR;
3096 
3097   if( rc!=SQLITE_OK ){
3098     Tcl_AppendResult(interp, sqlite3ErrName(rc), 0);
3099     return TCL_ERROR;
3100   }
3101   return TCL_OK;
3102 
3103 bad_args:
3104   Tcl_AppendResult(interp, "wrong # args: should be \"",
3105       Tcl_GetStringFromObj(objv[0], 0), " <DB> <utf8> <utf16le> <utf16be>", 0);
3106   return TCL_ERROR;
3107 }
3108 
3109 /*
3110 ** Usage: add_test_utf16bin_collate <db ptr>
3111 **
3112 ** Add a utf-16 collation sequence named "utf16bin" to the database
3113 ** handle. This collation sequence compares arguments in the same way as the
3114 ** built-in collation "binary".
3115 */
3116 static int test_utf16bin_collate_func(
3117   void *pCtx,
3118   int nA, const void *zA,
3119   int nB, const void *zB
3120 ){
3121   int nCmp = (nA>nB ? nB : nA);
3122   int res = memcmp(zA, zB, nCmp);
3123   if( res==0 ) res = nA - nB;
3124   return res;
3125 }
3126 static int SQLITE_TCLAPI test_utf16bin_collate(
3127   void * clientData,
3128   Tcl_Interp *interp,
3129   int objc,
3130   Tcl_Obj *CONST objv[]
3131 ){
3132   sqlite3 *db;
3133   int rc;
3134 
3135   if( objc!=2 ) goto bad_args;
3136   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
3137 
3138   rc = sqlite3_create_collation(db, "utf16bin", SQLITE_UTF16, 0,
3139       test_utf16bin_collate_func
3140   );
3141   if( sqlite3TestErrCode(interp, db, rc) ) return TCL_ERROR;
3142   return TCL_OK;
3143 
3144 bad_args:
3145   Tcl_WrongNumArgs(interp, 1, objv, "DB");
3146   return TCL_ERROR;
3147 }
3148 
3149 /*
3150 ** When the collation needed callback is invoked, record the name of
3151 ** the requested collating function here.  The recorded name is linked
3152 ** to a TCL variable and used to make sure that the requested collation
3153 ** name is correct.
3154 */
3155 static char zNeededCollation[200];
3156 static char *pzNeededCollation = zNeededCollation;
3157 
3158 
3159 /*
3160 ** Called when a collating sequence is needed.  Registered using
3161 ** sqlite3_collation_needed16().
3162 */
3163 static void test_collate_needed_cb(
3164   void *pCtx,
3165   sqlite3 *db,
3166   int eTextRep,
3167   const void *pName
3168 ){
3169   int enc = ENC(db);
3170   int i;
3171   char *z;
3172   for(z = (char*)pName, i=0; *z || z[1]; z++){
3173     if( *z ) zNeededCollation[i++] = *z;
3174   }
3175   zNeededCollation[i] = 0;
3176   sqlite3_create_collation(
3177       db, "test_collate", ENC(db), SQLITE_INT_TO_PTR(enc), test_collate_func);
3178 }
3179 
3180 /*
3181 ** Usage: add_test_collate_needed DB
3182 */
3183 static int SQLITE_TCLAPI test_collate_needed(
3184   void * clientData,
3185   Tcl_Interp *interp,
3186   int objc,
3187   Tcl_Obj *CONST objv[]
3188 ){
3189   sqlite3 *db;
3190   int rc;
3191 
3192   if( objc!=2 ) goto bad_args;
3193   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
3194   rc = sqlite3_collation_needed16(db, 0, test_collate_needed_cb);
3195   zNeededCollation[0] = 0;
3196   if( sqlite3TestErrCode(interp, db, rc) ) return TCL_ERROR;
3197   return TCL_OK;
3198 
3199 bad_args:
3200   Tcl_WrongNumArgs(interp, 1, objv, "DB");
3201   return TCL_ERROR;
3202 }
3203 
3204 /*
3205 ** tclcmd:   add_alignment_test_collations  DB
3206 **
3207 ** Add two new collating sequences to the database DB
3208 **
3209 **     utf16_aligned
3210 **     utf16_unaligned
3211 **
3212 ** Both collating sequences use the same sort order as BINARY.
3213 ** The only difference is that the utf16_aligned collating
3214 ** sequence is declared with the SQLITE_UTF16_ALIGNED flag.
3215 ** Both collating functions increment the unaligned utf16 counter
3216 ** whenever they see a string that begins on an odd byte boundary.
3217 */
3218 static int unaligned_string_counter = 0;
3219 static int alignmentCollFunc(
3220   void *NotUsed,
3221   int nKey1, const void *pKey1,
3222   int nKey2, const void *pKey2
3223 ){
3224   int rc, n;
3225   n = nKey1<nKey2 ? nKey1 : nKey2;
3226   if( nKey1>0 && 1==(1&(SQLITE_PTR_TO_INT(pKey1))) ) unaligned_string_counter++;
3227   if( nKey2>0 && 1==(1&(SQLITE_PTR_TO_INT(pKey2))) ) unaligned_string_counter++;
3228   rc = memcmp(pKey1, pKey2, n);
3229   if( rc==0 ){
3230     rc = nKey1 - nKey2;
3231   }
3232   return rc;
3233 }
3234 static int SQLITE_TCLAPI add_alignment_test_collations(
3235   void * clientData,
3236   Tcl_Interp *interp,
3237   int objc,
3238   Tcl_Obj *CONST objv[]
3239 ){
3240   sqlite3 *db;
3241   if( objc>=2 ){
3242     if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
3243     sqlite3_create_collation(db, "utf16_unaligned", SQLITE_UTF16,
3244         0, alignmentCollFunc);
3245     sqlite3_create_collation(db, "utf16_aligned", SQLITE_UTF16_ALIGNED,
3246         0, alignmentCollFunc);
3247   }
3248   return SQLITE_OK;
3249 }
3250 #endif /* !defined(SQLITE_OMIT_UTF16) */
3251 
3252 /*
3253 ** Usage: add_test_function <db ptr> <utf8> <utf16le> <utf16be>
3254 **
3255 ** This function is used to test that SQLite selects the correct user
3256 ** function callback when multiple versions (for different text encodings)
3257 ** are available.
3258 **
3259 ** Calling this routine registers up to three versions of the user function
3260 ** "test_function" with database handle <db>.  If the second argument is
3261 ** true, then a version of test_function is registered for UTF-8, if the
3262 ** third is true, a version is registered for UTF-16le, if the fourth is
3263 ** true, a UTF-16be version is available.  Previous versions of
3264 ** test_function are deleted.
3265 **
3266 ** The user function is implemented by calling the following TCL script:
3267 **
3268 **   "test_function <enc> <arg>"
3269 **
3270 ** Where <enc> is one of UTF-8, UTF-16LE or UTF16BE, and <arg> is the
3271 ** single argument passed to the SQL function. The value returned by
3272 ** the TCL script is used as the return value of the SQL function. It
3273 ** is passed to SQLite using UTF-16BE for a UTF-8 test_function(), UTF-8
3274 ** for a UTF-16LE test_function(), and UTF-16LE for an implementation that
3275 ** prefers UTF-16BE.
3276 */
3277 #ifndef SQLITE_OMIT_UTF16
3278 static void test_function_utf8(
3279   sqlite3_context *pCtx,
3280   int nArg,
3281   sqlite3_value **argv
3282 ){
3283   Tcl_Interp *interp;
3284   Tcl_Obj *pX;
3285   sqlite3_value *pVal;
3286   interp = (Tcl_Interp *)sqlite3_user_data(pCtx);
3287   pX = Tcl_NewStringObj("test_function", -1);
3288   Tcl_IncrRefCount(pX);
3289   Tcl_ListObjAppendElement(interp, pX, Tcl_NewStringObj("UTF-8", -1));
3290   Tcl_ListObjAppendElement(interp, pX,
3291       Tcl_NewStringObj((char*)sqlite3_value_text(argv[0]), -1));
3292   Tcl_EvalObjEx(interp, pX, 0);
3293   Tcl_DecrRefCount(pX);
3294   sqlite3_result_text(pCtx, Tcl_GetStringResult(interp), -1, SQLITE_TRANSIENT);
3295   pVal = sqlite3ValueNew(0);
3296   sqlite3ValueSetStr(pVal, -1, Tcl_GetStringResult(interp),
3297       SQLITE_UTF8, SQLITE_STATIC);
3298   sqlite3_result_text16be(pCtx, sqlite3_value_text16be(pVal),
3299       -1, SQLITE_TRANSIENT);
3300   sqlite3ValueFree(pVal);
3301 }
3302 static void test_function_utf16le(
3303   sqlite3_context *pCtx,
3304   int nArg,
3305   sqlite3_value **argv
3306 ){
3307   Tcl_Interp *interp;
3308   Tcl_Obj *pX;
3309   sqlite3_value *pVal;
3310   interp = (Tcl_Interp *)sqlite3_user_data(pCtx);
3311   pX = Tcl_NewStringObj("test_function", -1);
3312   Tcl_IncrRefCount(pX);
3313   Tcl_ListObjAppendElement(interp, pX, Tcl_NewStringObj("UTF-16LE", -1));
3314   Tcl_ListObjAppendElement(interp, pX,
3315       Tcl_NewStringObj((char*)sqlite3_value_text(argv[0]), -1));
3316   Tcl_EvalObjEx(interp, pX, 0);
3317   Tcl_DecrRefCount(pX);
3318   pVal = sqlite3ValueNew(0);
3319   sqlite3ValueSetStr(pVal, -1, Tcl_GetStringResult(interp),
3320       SQLITE_UTF8, SQLITE_STATIC);
3321   sqlite3_result_text(pCtx,(char*)sqlite3_value_text(pVal),-1,SQLITE_TRANSIENT);
3322   sqlite3ValueFree(pVal);
3323 }
3324 static void test_function_utf16be(
3325   sqlite3_context *pCtx,
3326   int nArg,
3327   sqlite3_value **argv
3328 ){
3329   Tcl_Interp *interp;
3330   Tcl_Obj *pX;
3331   sqlite3_value *pVal;
3332   interp = (Tcl_Interp *)sqlite3_user_data(pCtx);
3333   pX = Tcl_NewStringObj("test_function", -1);
3334   Tcl_IncrRefCount(pX);
3335   Tcl_ListObjAppendElement(interp, pX, Tcl_NewStringObj("UTF-16BE", -1));
3336   Tcl_ListObjAppendElement(interp, pX,
3337       Tcl_NewStringObj((char*)sqlite3_value_text(argv[0]), -1));
3338   Tcl_EvalObjEx(interp, pX, 0);
3339   Tcl_DecrRefCount(pX);
3340   pVal = sqlite3ValueNew(0);
3341   sqlite3ValueSetStr(pVal, -1, Tcl_GetStringResult(interp),
3342       SQLITE_UTF8, SQLITE_STATIC);
3343   sqlite3_result_text16(pCtx, sqlite3_value_text16le(pVal),
3344       -1, SQLITE_TRANSIENT);
3345   sqlite3_result_text16be(pCtx, sqlite3_value_text16le(pVal),
3346       -1, SQLITE_TRANSIENT);
3347   sqlite3_result_text16le(pCtx, sqlite3_value_text16le(pVal),
3348       -1, SQLITE_TRANSIENT);
3349   sqlite3ValueFree(pVal);
3350 }
3351 #endif /* SQLITE_OMIT_UTF16 */
3352 static int SQLITE_TCLAPI test_function(
3353   void * clientData,
3354   Tcl_Interp *interp,
3355   int objc,
3356   Tcl_Obj *CONST objv[]
3357 ){
3358 #ifndef SQLITE_OMIT_UTF16
3359   sqlite3 *db;
3360   int val;
3361 
3362   if( objc!=5 ) goto bad_args;
3363   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
3364 
3365   if( TCL_OK!=Tcl_GetBooleanFromObj(interp, objv[2], &val) ) return TCL_ERROR;
3366   if( val ){
3367     sqlite3_create_function(db, "test_function", 1, SQLITE_UTF8,
3368         interp, test_function_utf8, 0, 0);
3369   }
3370   if( TCL_OK!=Tcl_GetBooleanFromObj(interp, objv[3], &val) ) return TCL_ERROR;
3371   if( val ){
3372     sqlite3_create_function(db, "test_function", 1, SQLITE_UTF16LE,
3373         interp, test_function_utf16le, 0, 0);
3374   }
3375   if( TCL_OK!=Tcl_GetBooleanFromObj(interp, objv[4], &val) ) return TCL_ERROR;
3376   if( val ){
3377     sqlite3_create_function(db, "test_function", 1, SQLITE_UTF16BE,
3378         interp, test_function_utf16be, 0, 0);
3379   }
3380 
3381   return TCL_OK;
3382 bad_args:
3383   Tcl_AppendResult(interp, "wrong # args: should be \"",
3384       Tcl_GetStringFromObj(objv[0], 0), " <DB> <utf8> <utf16le> <utf16be>", 0);
3385 #endif /* SQLITE_OMIT_UTF16 */
3386   return TCL_ERROR;
3387 }
3388 
3389 /*
3390 ** Usage:         sqlite3_test_errstr <err code>
3391 **
3392 ** Test that the english language string equivalents for sqlite error codes
3393 ** are sane. The parameter is an integer representing an sqlite error code.
3394 ** The result is a list of two elements, the string representation of the
3395 ** error code and the english language explanation.
3396 */
3397 static int SQLITE_TCLAPI test_errstr(
3398   void * clientData,
3399   Tcl_Interp *interp,
3400   int objc,
3401   Tcl_Obj *CONST objv[]
3402 ){
3403   char *zCode;
3404   int i;
3405   if( objc!=1 ){
3406     Tcl_WrongNumArgs(interp, 1, objv, "<error code>");
3407   }
3408 
3409   zCode = Tcl_GetString(objv[1]);
3410   for(i=0; i<200; i++){
3411     if( 0==strcmp(t1ErrorName(i), zCode) ) break;
3412   }
3413   Tcl_SetResult(interp, (char *)sqlite3ErrStr(i), 0);
3414   return TCL_OK;
3415 }
3416 
3417 /*
3418 ** Usage:    breakpoint
3419 **
3420 ** This routine exists for one purpose - to provide a place to put a
3421 ** breakpoint with GDB that can be triggered using TCL code.  The use
3422 ** for this is when a particular test fails on (say) the 1485th iteration.
3423 ** In the TCL test script, we can add code like this:
3424 **
3425 **     if {$i==1485} breakpoint
3426 **
3427 ** Then run testfixture in the debugger and wait for the breakpoint to
3428 ** fire.  Then additional breakpoints can be set to trace down the bug.
3429 */
3430 static int SQLITE_TCLAPI test_breakpoint(
3431   void *NotUsed,
3432   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
3433   int argc,              /* Number of arguments */
3434   char **argv            /* Text of each argument */
3435 ){
3436   return TCL_OK;         /* Do nothing */
3437 }
3438 
3439 /*
3440 ** Usage:   sqlite3_bind_zeroblob  STMT IDX N
3441 **
3442 ** Test the sqlite3_bind_zeroblob interface.  STMT is a prepared statement.
3443 ** IDX is the index of a wildcard in the prepared statement.  This command
3444 ** binds a N-byte zero-filled BLOB to the wildcard.
3445 */
3446 static int SQLITE_TCLAPI test_bind_zeroblob(
3447   void * clientData,
3448   Tcl_Interp *interp,
3449   int objc,
3450   Tcl_Obj *CONST objv[]
3451 ){
3452   sqlite3_stmt *pStmt;
3453   int idx;
3454   int n;
3455   int rc;
3456 
3457   if( objc!=4 ){
3458     Tcl_WrongNumArgs(interp, 1, objv, "STMT IDX N");
3459     return TCL_ERROR;
3460   }
3461 
3462   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
3463   if( Tcl_GetIntFromObj(interp, objv[2], &idx) ) return TCL_ERROR;
3464   if( Tcl_GetIntFromObj(interp, objv[3], &n) ) return TCL_ERROR;
3465 
3466   rc = sqlite3_bind_zeroblob(pStmt, idx, n);
3467   if( sqlite3TestErrCode(interp, StmtToDb(pStmt), rc) ) return TCL_ERROR;
3468   if( rc!=SQLITE_OK ){
3469     return TCL_ERROR;
3470   }
3471 
3472   return TCL_OK;
3473 }
3474 
3475 /*
3476 ** Usage:   sqlite3_bind_zeroblob64  STMT IDX N
3477 **
3478 ** Test the sqlite3_bind_zeroblob64 interface.  STMT is a prepared statement.
3479 ** IDX is the index of a wildcard in the prepared statement.  This command
3480 ** binds a N-byte zero-filled BLOB to the wildcard.
3481 */
3482 static int SQLITE_TCLAPI test_bind_zeroblob64(
3483   void * clientData,
3484   Tcl_Interp *interp,
3485   int objc,
3486   Tcl_Obj *CONST objv[]
3487 ){
3488   sqlite3_stmt *pStmt;
3489   int idx;
3490   Tcl_WideInt n;
3491   int rc;
3492 
3493   if( objc!=4 ){
3494     Tcl_WrongNumArgs(interp, 1, objv, "STMT IDX N");
3495     return TCL_ERROR;
3496   }
3497 
3498   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
3499   if( Tcl_GetIntFromObj(interp, objv[2], &idx) ) return TCL_ERROR;
3500   if( Tcl_GetWideIntFromObj(interp, objv[3], &n) ) return TCL_ERROR;
3501 
3502   rc = sqlite3_bind_zeroblob64(pStmt, idx, n);
3503   if( sqlite3TestErrCode(interp, StmtToDb(pStmt), rc) ) return TCL_ERROR;
3504   if( rc!=SQLITE_OK ){
3505     Tcl_AppendResult(interp, sqlite3ErrName(rc), 0);
3506     return TCL_ERROR;
3507   }
3508 
3509   return TCL_OK;
3510 }
3511 
3512 /*
3513 ** Usage:   sqlite3_bind_int  STMT N VALUE
3514 **
3515 ** Test the sqlite3_bind_int interface.  STMT is a prepared statement.
3516 ** N is the index of a wildcard in the prepared statement.  This command
3517 ** binds a 32-bit integer VALUE to that wildcard.
3518 */
3519 static int SQLITE_TCLAPI test_bind_int(
3520   void * clientData,
3521   Tcl_Interp *interp,
3522   int objc,
3523   Tcl_Obj *CONST objv[]
3524 ){
3525   sqlite3_stmt *pStmt;
3526   int idx;
3527   int value;
3528   int rc;
3529 
3530   if( objc!=4 ){
3531     Tcl_AppendResult(interp, "wrong # args: should be \"",
3532         Tcl_GetStringFromObj(objv[0], 0), " STMT N VALUE", 0);
3533     return TCL_ERROR;
3534   }
3535 
3536   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
3537   if( Tcl_GetIntFromObj(interp, objv[2], &idx) ) return TCL_ERROR;
3538   if( Tcl_GetIntFromObj(interp, objv[3], &value) ) return TCL_ERROR;
3539 
3540   rc = sqlite3_bind_int(pStmt, idx, value);
3541   if( sqlite3TestErrCode(interp, StmtToDb(pStmt), rc) ) return TCL_ERROR;
3542   if( rc!=SQLITE_OK ){
3543     return TCL_ERROR;
3544   }
3545 
3546   return TCL_OK;
3547 }
3548 
3549 
3550 /*
3551 ** Usage:   intarray_addr  INT  ...
3552 **
3553 ** Return the address of a C-language array of 32-bit integers.
3554 **
3555 ** Space to hold the array is obtained from malloc().  Call this procedure once
3556 ** with no arguments in order to release memory.  Each call to this procedure
3557 ** overwrites the previous array.
3558 */
3559 static int SQLITE_TCLAPI test_intarray_addr(
3560   void * clientData,
3561   Tcl_Interp *interp,
3562   int objc,
3563   Tcl_Obj *CONST objv[]
3564 ){
3565   int i;
3566   static int *p = 0;
3567 
3568   sqlite3_free(p);
3569   p = 0;
3570   if( objc>1 ){
3571     p = sqlite3_malloc( sizeof(p[0])*(objc-1) );
3572     if( p==0 ) return TCL_ERROR;
3573     for(i=0; i<objc-1; i++){
3574       if( Tcl_GetIntFromObj(interp, objv[1+i], &p[i]) ){
3575         sqlite3_free(p);
3576         p = 0;
3577         return TCL_ERROR;
3578       }
3579     }
3580   }
3581   Tcl_SetObjResult(interp, Tcl_NewWideIntObj((sqlite3_int64)p));
3582   return TCL_OK;
3583 }
3584 /*
3585 ** Usage:   intarray_addr  INT  ...
3586 **
3587 ** Return the address of a C-language array of 32-bit integers.
3588 **
3589 ** Space to hold the array is obtained from malloc().  Call this procedure once
3590 ** with no arguments in order to release memory.  Each call to this procedure
3591 ** overwrites the previous array.
3592 */
3593 static int SQLITE_TCLAPI test_int64array_addr(
3594   void * clientData,
3595   Tcl_Interp *interp,
3596   int objc,
3597   Tcl_Obj *CONST objv[]
3598 ){
3599   int i;
3600   static sqlite3_int64 *p = 0;
3601 
3602   sqlite3_free(p);
3603   p = 0;
3604   if( objc>1 ){
3605     p = sqlite3_malloc( sizeof(p[0])*(objc-1) );
3606     if( p==0 ) return TCL_ERROR;
3607     for(i=0; i<objc-1; i++){
3608       Tcl_WideInt v;
3609       if( Tcl_GetWideIntFromObj(interp, objv[1+i], &v) ){
3610         sqlite3_free(p);
3611         p = 0;
3612         return TCL_ERROR;
3613       }
3614       p[i] = v;
3615     }
3616   }
3617   Tcl_SetObjResult(interp, Tcl_NewWideIntObj((sqlite3_int64)p));
3618   return TCL_OK;
3619 }
3620 /*
3621 ** Usage:   doublearray_addr  INT  ...
3622 **
3623 ** Return the address of a C-language array of doubles.
3624 **
3625 ** Space to hold the array is obtained from malloc().  Call this procedure once
3626 ** with no arguments in order to release memory.  Each call to this procedure
3627 ** overwrites the previous array.
3628 */
3629 static int SQLITE_TCLAPI test_doublearray_addr(
3630   void * clientData,
3631   Tcl_Interp *interp,
3632   int objc,
3633   Tcl_Obj *CONST objv[]
3634 ){
3635   int i;
3636   static double *p = 0;
3637 
3638   sqlite3_free(p);
3639   p = 0;
3640   if( objc>1 ){
3641     p = sqlite3_malloc( sizeof(p[0])*(objc-1) );
3642     if( p==0 ) return TCL_ERROR;
3643     for(i=0; i<objc-1; i++){
3644       if( Tcl_GetDoubleFromObj(interp, objv[1+i], &p[i]) ){
3645         sqlite3_free(p);
3646         p = 0;
3647         return TCL_ERROR;
3648       }
3649     }
3650   }
3651   Tcl_SetObjResult(interp, Tcl_NewWideIntObj((sqlite3_int64)p));
3652   return TCL_OK;
3653 }
3654 /*
3655 ** Usage:   textarray_addr  TEXT ...
3656 **
3657 ** Return the address of a C-language array of strings.
3658 **
3659 ** Space to hold the array is obtained from malloc().  Call this procedure once
3660 ** with no arguments in order to release memory.  Each call to this procedure
3661 ** overwrites the previous array.
3662 */
3663 static int SQLITE_TCLAPI test_textarray_addr(
3664   void * clientData,
3665   Tcl_Interp *interp,
3666   int objc,
3667   Tcl_Obj *CONST objv[]
3668 ){
3669   int i;
3670   static int n = 0;
3671   static char **p = 0;
3672 
3673   for(i=0; i<n; i++) sqlite3_free(p[i]);
3674   sqlite3_free(p);
3675   p = 0;
3676   if( objc>1 ){
3677     p = sqlite3_malloc( sizeof(p[0])*(objc-1) );
3678     if( p==0 ) return TCL_ERROR;
3679     for(i=0; i<objc-1; i++){
3680       p[i] = sqlite3_mprintf("%s", Tcl_GetString(objv[1+i]));
3681     }
3682   }
3683   n = objc-1;
3684   Tcl_SetObjResult(interp, Tcl_NewWideIntObj((sqlite3_int64)p));
3685   return TCL_OK;
3686 }
3687 
3688 
3689 /*
3690 ** Usage:   sqlite3_bind_int64  STMT N VALUE
3691 **
3692 ** Test the sqlite3_bind_int64 interface.  STMT is a prepared statement.
3693 ** N is the index of a wildcard in the prepared statement.  This command
3694 ** binds a 64-bit integer VALUE to that wildcard.
3695 */
3696 static int SQLITE_TCLAPI test_bind_int64(
3697   void * clientData,
3698   Tcl_Interp *interp,
3699   int objc,
3700   Tcl_Obj *CONST objv[]
3701 ){
3702   sqlite3_stmt *pStmt;
3703   int idx;
3704   Tcl_WideInt value;
3705   int rc;
3706 
3707   if( objc!=4 ){
3708     Tcl_AppendResult(interp, "wrong # args: should be \"",
3709         Tcl_GetStringFromObj(objv[0], 0), " STMT N VALUE", 0);
3710     return TCL_ERROR;
3711   }
3712 
3713   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
3714   if( Tcl_GetIntFromObj(interp, objv[2], &idx) ) return TCL_ERROR;
3715   if( Tcl_GetWideIntFromObj(interp, objv[3], &value) ) return TCL_ERROR;
3716 
3717   rc = sqlite3_bind_int64(pStmt, idx, value);
3718   if( sqlite3TestErrCode(interp, StmtToDb(pStmt), rc) ) return TCL_ERROR;
3719   if( rc!=SQLITE_OK ){
3720     return TCL_ERROR;
3721   }
3722 
3723   return TCL_OK;
3724 }
3725 
3726 
3727 /*
3728 ** Usage:   sqlite3_bind_double  STMT N VALUE
3729 **
3730 ** Test the sqlite3_bind_double interface.  STMT is a prepared statement.
3731 ** N is the index of a wildcard in the prepared statement.  This command
3732 ** binds a 64-bit integer VALUE to that wildcard.
3733 */
3734 static int SQLITE_TCLAPI test_bind_double(
3735   void * clientData,
3736   Tcl_Interp *interp,
3737   int objc,
3738   Tcl_Obj *CONST objv[]
3739 ){
3740   sqlite3_stmt *pStmt;
3741   int idx;
3742   double value = 0;
3743   int rc;
3744   const char *zVal;
3745   int i;
3746   static const struct {
3747     const char *zName;     /* Name of the special floating point value */
3748     unsigned int iUpper;   /* Upper 32 bits */
3749     unsigned int iLower;   /* Lower 32 bits */
3750   } aSpecialFp[] = {
3751     {  "NaN",      0x7fffffff, 0xffffffff },
3752     {  "SNaN",     0x7ff7ffff, 0xffffffff },
3753     {  "-NaN",     0xffffffff, 0xffffffff },
3754     {  "-SNaN",    0xfff7ffff, 0xffffffff },
3755     {  "+Inf",     0x7ff00000, 0x00000000 },
3756     {  "-Inf",     0xfff00000, 0x00000000 },
3757     {  "Epsilon",  0x00000000, 0x00000001 },
3758     {  "-Epsilon", 0x80000000, 0x00000001 },
3759     {  "NaN0",     0x7ff80000, 0x00000000 },
3760     {  "-NaN0",    0xfff80000, 0x00000000 },
3761   };
3762 
3763   if( objc!=4 ){
3764     Tcl_AppendResult(interp, "wrong # args: should be \"",
3765         Tcl_GetStringFromObj(objv[0], 0), " STMT N VALUE", 0);
3766     return TCL_ERROR;
3767   }
3768 
3769   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
3770   if( Tcl_GetIntFromObj(interp, objv[2], &idx) ) return TCL_ERROR;
3771 
3772   /* Intercept the string "NaN" and generate a NaN value for it.
3773   ** All other strings are passed through to Tcl_GetDoubleFromObj().
3774   ** Tcl_GetDoubleFromObj() should understand "NaN" but some versions
3775   ** contain a bug.
3776   */
3777   zVal = Tcl_GetString(objv[3]);
3778   for(i=0; i<sizeof(aSpecialFp)/sizeof(aSpecialFp[0]); i++){
3779     if( strcmp(aSpecialFp[i].zName, zVal)==0 ){
3780       sqlite3_uint64 x;
3781       x = aSpecialFp[i].iUpper;
3782       x <<= 32;
3783       x |= aSpecialFp[i].iLower;
3784       assert( sizeof(value)==8 );
3785       assert( sizeof(x)==8 );
3786       memcpy(&value, &x, 8);
3787       break;
3788     }
3789   }
3790   if( i>=sizeof(aSpecialFp)/sizeof(aSpecialFp[0]) &&
3791          Tcl_GetDoubleFromObj(interp, objv[3], &value) ){
3792     return TCL_ERROR;
3793   }
3794   rc = sqlite3_bind_double(pStmt, idx, value);
3795   if( sqlite3TestErrCode(interp, StmtToDb(pStmt), rc) ) return TCL_ERROR;
3796   if( rc!=SQLITE_OK ){
3797     return TCL_ERROR;
3798   }
3799 
3800   return TCL_OK;
3801 }
3802 
3803 /*
3804 ** Usage:   sqlite3_bind_null  STMT N
3805 **
3806 ** Test the sqlite3_bind_null interface.  STMT is a prepared statement.
3807 ** N is the index of a wildcard in the prepared statement.  This command
3808 ** binds a NULL to the wildcard.
3809 */
3810 static int SQLITE_TCLAPI test_bind_null(
3811   void * clientData,
3812   Tcl_Interp *interp,
3813   int objc,
3814   Tcl_Obj *CONST objv[]
3815 ){
3816   sqlite3_stmt *pStmt;
3817   int idx;
3818   int rc;
3819 
3820   if( objc!=3 ){
3821     Tcl_AppendResult(interp, "wrong # args: should be \"",
3822         Tcl_GetStringFromObj(objv[0], 0), " STMT N", 0);
3823     return TCL_ERROR;
3824   }
3825 
3826   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
3827   if( Tcl_GetIntFromObj(interp, objv[2], &idx) ) return TCL_ERROR;
3828 
3829   rc = sqlite3_bind_null(pStmt, idx);
3830   if( sqlite3TestErrCode(interp, StmtToDb(pStmt), rc) ) return TCL_ERROR;
3831   if( rc!=SQLITE_OK ){
3832     return TCL_ERROR;
3833   }
3834 
3835   return TCL_OK;
3836 }
3837 
3838 /*
3839 ** Usage:   sqlite3_bind_text  STMT N STRING BYTES
3840 **
3841 ** Test the sqlite3_bind_text interface.  STMT is a prepared statement.
3842 ** N is the index of a wildcard in the prepared statement.  This command
3843 ** binds a UTF-8 string STRING to the wildcard.  The string is BYTES bytes
3844 ** long.
3845 */
3846 static int SQLITE_TCLAPI test_bind_text(
3847   void * clientData,
3848   Tcl_Interp *interp,
3849   int objc,
3850   Tcl_Obj *CONST objv[]
3851 ){
3852   sqlite3_stmt *pStmt;
3853   int idx;
3854   int bytes;
3855   char *value;
3856   int rc;
3857 
3858   if( objc!=5 ){
3859     Tcl_AppendResult(interp, "wrong # args: should be \"",
3860         Tcl_GetStringFromObj(objv[0], 0), " STMT N VALUE BYTES", 0);
3861     return TCL_ERROR;
3862   }
3863 
3864   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
3865   if( Tcl_GetIntFromObj(interp, objv[2], &idx) ) return TCL_ERROR;
3866   value = (char*)Tcl_GetByteArrayFromObj(objv[3], &bytes);
3867   if( Tcl_GetIntFromObj(interp, objv[4], &bytes) ) return TCL_ERROR;
3868 
3869   rc = sqlite3_bind_text(pStmt, idx, value, bytes, SQLITE_TRANSIENT);
3870   if( sqlite3TestErrCode(interp, StmtToDb(pStmt), rc) ) return TCL_ERROR;
3871   if( rc!=SQLITE_OK ){
3872     Tcl_AppendResult(interp, sqlite3ErrName(rc), 0);
3873     return TCL_ERROR;
3874   }
3875 
3876   return TCL_OK;
3877 }
3878 
3879 /*
3880 ** Usage:   sqlite3_bind_text16 ?-static? STMT N STRING BYTES
3881 **
3882 ** Test the sqlite3_bind_text16 interface.  STMT is a prepared statement.
3883 ** N is the index of a wildcard in the prepared statement.  This command
3884 ** binds a UTF-16 string STRING to the wildcard.  The string is BYTES bytes
3885 ** long.
3886 */
3887 static int SQLITE_TCLAPI test_bind_text16(
3888   void * clientData,
3889   Tcl_Interp *interp,
3890   int objc,
3891   Tcl_Obj *CONST objv[]
3892 ){
3893 #ifndef SQLITE_OMIT_UTF16
3894   sqlite3_stmt *pStmt;
3895   int idx;
3896   int bytes;
3897   char *value;
3898   int rc;
3899 
3900   void (*xDel)(void*) = (objc==6?SQLITE_STATIC:SQLITE_TRANSIENT);
3901   Tcl_Obj *oStmt    = objv[objc-4];
3902   Tcl_Obj *oN       = objv[objc-3];
3903   Tcl_Obj *oString  = objv[objc-2];
3904   Tcl_Obj *oBytes   = objv[objc-1];
3905 
3906   if( objc!=5 && objc!=6){
3907     Tcl_AppendResult(interp, "wrong # args: should be \"",
3908         Tcl_GetStringFromObj(objv[0], 0), " STMT N VALUE BYTES", 0);
3909     return TCL_ERROR;
3910   }
3911 
3912   if( getStmtPointer(interp, Tcl_GetString(oStmt), &pStmt) ) return TCL_ERROR;
3913   if( Tcl_GetIntFromObj(interp, oN, &idx) ) return TCL_ERROR;
3914   value = (char*)Tcl_GetByteArrayFromObj(oString, 0);
3915   if( Tcl_GetIntFromObj(interp, oBytes, &bytes) ) return TCL_ERROR;
3916 
3917   rc = sqlite3_bind_text16(pStmt, idx, (void *)value, bytes, xDel);
3918   if( sqlite3TestErrCode(interp, StmtToDb(pStmt), rc) ) return TCL_ERROR;
3919   if( rc!=SQLITE_OK ){
3920     Tcl_AppendResult(interp, sqlite3ErrName(rc), 0);
3921     return TCL_ERROR;
3922   }
3923 
3924 #endif /* SQLITE_OMIT_UTF16 */
3925   return TCL_OK;
3926 }
3927 
3928 /*
3929 ** Usage:   sqlite3_bind_blob ?-static? STMT N DATA BYTES
3930 **
3931 ** Test the sqlite3_bind_blob interface.  STMT is a prepared statement.
3932 ** N is the index of a wildcard in the prepared statement.  This command
3933 ** binds a BLOB to the wildcard.  The BLOB is BYTES bytes in size.
3934 */
3935 static int SQLITE_TCLAPI test_bind_blob(
3936   void * clientData,
3937   Tcl_Interp *interp,
3938   int objc,
3939   Tcl_Obj *CONST objv[]
3940 ){
3941   sqlite3_stmt *pStmt;
3942   int len, idx;
3943   int bytes;
3944   char *value;
3945   int rc;
3946   sqlite3_destructor_type xDestructor = SQLITE_TRANSIENT;
3947 
3948   if( objc!=5 && objc!=6 ){
3949     Tcl_AppendResult(interp, "wrong # args: should be \"",
3950         Tcl_GetStringFromObj(objv[0], 0), " STMT N DATA BYTES", 0);
3951     return TCL_ERROR;
3952   }
3953 
3954   if( objc==6 ){
3955     xDestructor = SQLITE_STATIC;
3956     objv++;
3957   }
3958 
3959   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
3960   if( Tcl_GetIntFromObj(interp, objv[2], &idx) ) return TCL_ERROR;
3961 
3962   value = (char*)Tcl_GetByteArrayFromObj(objv[3], &len);
3963   if( Tcl_GetIntFromObj(interp, objv[4], &bytes) ) return TCL_ERROR;
3964 
3965   if( bytes>len ){
3966     char zBuf[200];
3967     sqlite3_snprintf(sizeof(zBuf), zBuf,
3968                      "cannot use %d blob bytes, have %d", bytes, len);
3969     Tcl_AppendResult(interp, zBuf, -1);
3970     return TCL_ERROR;
3971   }
3972 
3973   rc = sqlite3_bind_blob(pStmt, idx, value, bytes, xDestructor);
3974   if( sqlite3TestErrCode(interp, StmtToDb(pStmt), rc) ) return TCL_ERROR;
3975   if( rc!=SQLITE_OK ){
3976     return TCL_ERROR;
3977   }
3978 
3979   return TCL_OK;
3980 }
3981 
3982 /*
3983 ** Usage:   sqlite3_bind_parameter_count  STMT
3984 **
3985 ** Return the number of wildcards in the given statement.
3986 */
3987 static int SQLITE_TCLAPI test_bind_parameter_count(
3988   void * clientData,
3989   Tcl_Interp *interp,
3990   int objc,
3991   Tcl_Obj *CONST objv[]
3992 ){
3993   sqlite3_stmt *pStmt;
3994 
3995   if( objc!=2 ){
3996     Tcl_WrongNumArgs(interp, 1, objv, "STMT");
3997     return TCL_ERROR;
3998   }
3999   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
4000   Tcl_SetObjResult(interp, Tcl_NewIntObj(sqlite3_bind_parameter_count(pStmt)));
4001   return TCL_OK;
4002 }
4003 
4004 /*
4005 ** Usage:   sqlite3_bind_parameter_name  STMT  N
4006 **
4007 ** Return the name of the Nth wildcard.  The first wildcard is 1.
4008 ** An empty string is returned if N is out of range or if the wildcard
4009 ** is nameless.
4010 */
4011 static int SQLITE_TCLAPI test_bind_parameter_name(
4012   void * clientData,
4013   Tcl_Interp *interp,
4014   int objc,
4015   Tcl_Obj *CONST objv[]
4016 ){
4017   sqlite3_stmt *pStmt;
4018   int i;
4019 
4020   if( objc!=3 ){
4021     Tcl_WrongNumArgs(interp, 1, objv, "STMT N");
4022     return TCL_ERROR;
4023   }
4024   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
4025   if( Tcl_GetIntFromObj(interp, objv[2], &i) ) return TCL_ERROR;
4026   Tcl_SetObjResult(interp,
4027      Tcl_NewStringObj(sqlite3_bind_parameter_name(pStmt,i),-1)
4028   );
4029   return TCL_OK;
4030 }
4031 
4032 /*
4033 ** Usage:   sqlite3_bind_parameter_index  STMT  NAME
4034 **
4035 ** Return the index of the wildcard called NAME.  Return 0 if there is
4036 ** no such wildcard.
4037 */
4038 static int SQLITE_TCLAPI test_bind_parameter_index(
4039   void * clientData,
4040   Tcl_Interp *interp,
4041   int objc,
4042   Tcl_Obj *CONST objv[]
4043 ){
4044   sqlite3_stmt *pStmt;
4045 
4046   if( objc!=3 ){
4047     Tcl_WrongNumArgs(interp, 1, objv, "STMT NAME");
4048     return TCL_ERROR;
4049   }
4050   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
4051   Tcl_SetObjResult(interp,
4052      Tcl_NewIntObj(
4053        sqlite3_bind_parameter_index(pStmt,Tcl_GetString(objv[2]))
4054      )
4055   );
4056   return TCL_OK;
4057 }
4058 
4059 /*
4060 ** Usage:   sqlite3_clear_bindings STMT
4061 **
4062 */
4063 static int SQLITE_TCLAPI test_clear_bindings(
4064   void * clientData,
4065   Tcl_Interp *interp,
4066   int objc,
4067   Tcl_Obj *CONST objv[]
4068 ){
4069   sqlite3_stmt *pStmt;
4070 
4071   if( objc!=2 ){
4072     Tcl_WrongNumArgs(interp, 1, objv, "STMT");
4073     return TCL_ERROR;
4074   }
4075   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
4076   Tcl_SetObjResult(interp, Tcl_NewIntObj(sqlite3_clear_bindings(pStmt)));
4077   return TCL_OK;
4078 }
4079 
4080 /*
4081 ** Usage:   sqlite3_sleep MILLISECONDS
4082 */
4083 static int SQLITE_TCLAPI test_sleep(
4084   void * clientData,
4085   Tcl_Interp *interp,
4086   int objc,
4087   Tcl_Obj *CONST objv[]
4088 ){
4089   int ms;
4090 
4091   if( objc!=2 ){
4092     Tcl_WrongNumArgs(interp, 1, objv, "MILLISECONDS");
4093     return TCL_ERROR;
4094   }
4095   if( Tcl_GetIntFromObj(interp, objv[1], &ms) ){
4096     return TCL_ERROR;
4097   }
4098   Tcl_SetObjResult(interp, Tcl_NewIntObj(sqlite3_sleep(ms)));
4099   return TCL_OK;
4100 }
4101 
4102 /*
4103 ** Usage: sqlite3_extended_errcode DB
4104 **
4105 ** Return the string representation of the most recent sqlite3_* API
4106 ** error code. e.g. "SQLITE_ERROR".
4107 */
4108 static int SQLITE_TCLAPI test_ex_errcode(
4109   void * clientData,
4110   Tcl_Interp *interp,
4111   int objc,
4112   Tcl_Obj *CONST objv[]
4113 ){
4114   sqlite3 *db;
4115   int rc;
4116 
4117   if( objc!=2 ){
4118     Tcl_AppendResult(interp, "wrong # args: should be \"",
4119        Tcl_GetString(objv[0]), " DB", 0);
4120     return TCL_ERROR;
4121   }
4122   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
4123   rc = sqlite3_extended_errcode(db);
4124   Tcl_AppendResult(interp, (char *)t1ErrorName(rc), 0);
4125   return TCL_OK;
4126 }
4127 
4128 
4129 /*
4130 ** Usage: sqlite3_errcode DB
4131 **
4132 ** Return the string representation of the most recent sqlite3_* API
4133 ** error code. e.g. "SQLITE_ERROR".
4134 */
4135 static int SQLITE_TCLAPI test_errcode(
4136   void * clientData,
4137   Tcl_Interp *interp,
4138   int objc,
4139   Tcl_Obj *CONST objv[]
4140 ){
4141   sqlite3 *db;
4142   int rc;
4143 
4144   if( objc!=2 ){
4145     Tcl_AppendResult(interp, "wrong # args: should be \"",
4146        Tcl_GetString(objv[0]), " DB", 0);
4147     return TCL_ERROR;
4148   }
4149   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
4150   rc = sqlite3_errcode(db);
4151   Tcl_AppendResult(interp, (char *)t1ErrorName(rc), 0);
4152   return TCL_OK;
4153 }
4154 
4155 /*
4156 ** Usage:   sqlite3_errmsg DB
4157 **
4158 ** Returns the UTF-8 representation of the error message string for the
4159 ** most recent sqlite3_* API call.
4160 */
4161 static int SQLITE_TCLAPI test_errmsg(
4162   void * clientData,
4163   Tcl_Interp *interp,
4164   int objc,
4165   Tcl_Obj *CONST objv[]
4166 ){
4167   sqlite3 *db;
4168   const char *zErr;
4169 
4170   if( objc!=2 ){
4171     Tcl_AppendResult(interp, "wrong # args: should be \"",
4172        Tcl_GetString(objv[0]), " DB", 0);
4173     return TCL_ERROR;
4174   }
4175   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
4176 
4177   zErr = sqlite3_errmsg(db);
4178   Tcl_SetObjResult(interp, Tcl_NewStringObj(zErr, -1));
4179   return TCL_OK;
4180 }
4181 
4182 /*
4183 ** Usage:   test_errmsg16 DB
4184 **
4185 ** Returns the UTF-16 representation of the error message string for the
4186 ** most recent sqlite3_* API call. This is a byte array object at the TCL
4187 ** level, and it includes the 0x00 0x00 terminator bytes at the end of the
4188 ** UTF-16 string.
4189 */
4190 static int SQLITE_TCLAPI test_errmsg16(
4191   void * clientData,
4192   Tcl_Interp *interp,
4193   int objc,
4194   Tcl_Obj *CONST objv[]
4195 ){
4196 #ifndef SQLITE_OMIT_UTF16
4197   sqlite3 *db;
4198   const void *zErr;
4199   const char *z;
4200   int bytes = 0;
4201 
4202   if( objc!=2 ){
4203     Tcl_AppendResult(interp, "wrong # args: should be \"",
4204        Tcl_GetString(objv[0]), " DB", 0);
4205     return TCL_ERROR;
4206   }
4207   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
4208 
4209   zErr = sqlite3_errmsg16(db);
4210   if( zErr ){
4211     z = zErr;
4212     for(bytes=0; z[bytes] || z[bytes+1]; bytes+=2){}
4213   }
4214   Tcl_SetObjResult(interp, Tcl_NewByteArrayObj(zErr, bytes));
4215 #endif /* SQLITE_OMIT_UTF16 */
4216   return TCL_OK;
4217 }
4218 
4219 /*
4220 ** Usage: sqlite3_prepare DB sql bytes ?tailvar?
4221 **
4222 ** Compile up to <bytes> bytes of the supplied SQL string <sql> using
4223 ** database handle <DB>. The parameter <tailval> is the name of a global
4224 ** variable that is set to the unused portion of <sql> (if any). A
4225 ** STMT handle is returned.
4226 */
4227 static int SQLITE_TCLAPI test_prepare(
4228   void * clientData,
4229   Tcl_Interp *interp,
4230   int objc,
4231   Tcl_Obj *CONST objv[]
4232 ){
4233   sqlite3 *db;
4234   const char *zSql;
4235   int bytes;
4236   const char *zTail = 0;
4237   sqlite3_stmt *pStmt = 0;
4238   char zBuf[50];
4239   int rc;
4240 
4241   if( objc!=5 && objc!=4 ){
4242     Tcl_AppendResult(interp, "wrong # args: should be \"",
4243        Tcl_GetString(objv[0]), " DB sql bytes ?tailvar?", 0);
4244     return TCL_ERROR;
4245   }
4246   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
4247   zSql = Tcl_GetString(objv[2]);
4248   if( Tcl_GetIntFromObj(interp, objv[3], &bytes) ) return TCL_ERROR;
4249 
4250   rc = sqlite3_prepare(db, zSql, bytes, &pStmt, objc>=5 ? &zTail : 0);
4251   Tcl_ResetResult(interp);
4252   if( sqlite3TestErrCode(interp, db, rc) ) return TCL_ERROR;
4253   if( zTail && objc>=5 ){
4254     if( bytes>=0 ){
4255       bytes = bytes - (int)(zTail-zSql);
4256     }
4257     if( (int)strlen(zTail)<bytes ){
4258       bytes = (int)strlen(zTail);
4259     }
4260     Tcl_ObjSetVar2(interp, objv[4], 0, Tcl_NewStringObj(zTail, bytes), 0);
4261   }
4262   if( rc!=SQLITE_OK ){
4263     assert( pStmt==0 );
4264     sqlite3_snprintf(sizeof(zBuf), zBuf, "(%d) ", rc);
4265     Tcl_AppendResult(interp, zBuf, sqlite3_errmsg(db), 0);
4266     return TCL_ERROR;
4267   }
4268 
4269   if( pStmt ){
4270     if( sqlite3TestMakePointerStr(interp, zBuf, pStmt) ) return TCL_ERROR;
4271     Tcl_AppendResult(interp, zBuf, 0);
4272   }
4273   return TCL_OK;
4274 }
4275 
4276 /*
4277 ** Usage: sqlite3_prepare_v2 DB sql bytes ?tailvar?
4278 **
4279 ** Compile up to <bytes> bytes of the supplied SQL string <sql> using
4280 ** database handle <DB>. The parameter <tailval> is the name of a global
4281 ** variable that is set to the unused portion of <sql> (if any). A
4282 ** STMT handle is returned.
4283 */
4284 static int SQLITE_TCLAPI test_prepare_v2(
4285   void * clientData,
4286   Tcl_Interp *interp,
4287   int objc,
4288   Tcl_Obj *CONST objv[]
4289 ){
4290   sqlite3 *db;
4291   const char *zSql;
4292   char *zCopy = 0;                /* malloc() copy of zSql */
4293   int bytes;
4294   const char *zTail = 0;
4295   const char **pzTail;
4296   sqlite3_stmt *pStmt = 0;
4297   char zBuf[50];
4298   int rc;
4299 
4300   if( objc!=5 && objc!=4 ){
4301     Tcl_AppendResult(interp, "wrong # args: should be \"",
4302        Tcl_GetString(objv[0]), " DB sql bytes tailvar", 0);
4303     return TCL_ERROR;
4304   }
4305   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
4306   zSql = Tcl_GetString(objv[2]);
4307   if( Tcl_GetIntFromObj(interp, objv[3], &bytes) ) return TCL_ERROR;
4308 
4309   /* Instead of using zSql directly, make a copy into a buffer obtained
4310   ** directly from malloc(). The idea is to make it easier for valgrind
4311   ** to spot buffer overreads.  */
4312   if( bytes>=0 ){
4313     zCopy = malloc(bytes);
4314     memcpy(zCopy, zSql, bytes);
4315   }else{
4316     int n = (int)strlen(zSql) + 1;
4317     zCopy = malloc(n);
4318     memcpy(zCopy, zSql, n);
4319   }
4320   pzTail = objc>=5 ? &zTail : 0;
4321   rc = sqlite3_prepare_v2(db, zCopy, bytes, &pStmt, pzTail);
4322   if( objc>=5 ){
4323     zTail = &zSql[(zTail - zCopy)];
4324   }
4325   free(zCopy);
4326 
4327   assert(rc==SQLITE_OK || pStmt==0);
4328   Tcl_ResetResult(interp);
4329   if( sqlite3TestErrCode(interp, db, rc) ) return TCL_ERROR;
4330   if( rc==SQLITE_OK && objc>=5 && zTail ){
4331     if( bytes>=0 ){
4332       bytes = bytes - (int)(zTail-zSql);
4333     }
4334     Tcl_ObjSetVar2(interp, objv[4], 0, Tcl_NewStringObj(zTail, bytes), 0);
4335   }
4336   if( rc!=SQLITE_OK ){
4337     assert( pStmt==0 );
4338     sqlite3_snprintf(sizeof(zBuf), zBuf, "(%d) ", rc);
4339     Tcl_AppendResult(interp, zBuf, sqlite3_errmsg(db), 0);
4340     return TCL_ERROR;
4341   }
4342 
4343   if( pStmt ){
4344     if( sqlite3TestMakePointerStr(interp, zBuf, pStmt) ) return TCL_ERROR;
4345     Tcl_AppendResult(interp, zBuf, 0);
4346   }
4347   return TCL_OK;
4348 }
4349 
4350 /*
4351 ** Usage: sqlite3_prepare_v3 DB sql bytes flags ?tailvar?
4352 **
4353 ** Compile up to <bytes> bytes of the supplied SQL string <sql> using
4354 ** database handle <DB> and flags <flags>. The parameter <tailval> is
4355 ** the name of a global variable that is set to the unused portion of
4356 ** <sql> (if any). A STMT handle is returned.
4357 */
4358 static int SQLITE_TCLAPI test_prepare_v3(
4359   void * clientData,
4360   Tcl_Interp *interp,
4361   int objc,
4362   Tcl_Obj *CONST objv[]
4363 ){
4364   sqlite3 *db;
4365   const char *zSql;
4366   char *zCopy = 0;                /* malloc() copy of zSql */
4367   int bytes, flags;
4368   const char *zTail = 0;
4369   const char **pzTail;
4370   sqlite3_stmt *pStmt = 0;
4371   char zBuf[50];
4372   int rc;
4373 
4374   if( objc!=6 && objc!=5 ){
4375     Tcl_AppendResult(interp, "wrong # args: should be \"",
4376        Tcl_GetString(objv[0]), " DB sql bytes flags tailvar", 0);
4377     return TCL_ERROR;
4378   }
4379   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
4380   zSql = Tcl_GetString(objv[2]);
4381   if( Tcl_GetIntFromObj(interp, objv[3], &bytes) ) return TCL_ERROR;
4382   if( Tcl_GetIntFromObj(interp, objv[4], &flags) ) return TCL_ERROR;
4383 
4384   /* Instead of using zSql directly, make a copy into a buffer obtained
4385   ** directly from malloc(). The idea is to make it easier for valgrind
4386   ** to spot buffer overreads.  */
4387   if( bytes>=0 ){
4388     zCopy = malloc(bytes);
4389     memcpy(zCopy, zSql, bytes);
4390   }else{
4391     int n = (int)strlen(zSql) + 1;
4392     zCopy = malloc(n);
4393     memcpy(zCopy, zSql, n);
4394   }
4395   pzTail = objc>=6 ? &zTail : 0;
4396   rc = sqlite3_prepare_v3(db, zCopy, bytes, (unsigned int)flags,&pStmt,pzTail);
4397   free(zCopy);
4398   zTail = &zSql[(zTail - zCopy)];
4399 
4400   assert(rc==SQLITE_OK || pStmt==0);
4401   Tcl_ResetResult(interp);
4402   if( sqlite3TestErrCode(interp, db, rc) ) return TCL_ERROR;
4403   if( rc==SQLITE_OK && zTail && objc>=6 ){
4404     if( bytes>=0 ){
4405       bytes = bytes - (int)(zTail-zSql);
4406     }
4407     Tcl_ObjSetVar2(interp, objv[5], 0, Tcl_NewStringObj(zTail, bytes), 0);
4408   }
4409   if( rc!=SQLITE_OK ){
4410     assert( pStmt==0 );
4411     sqlite3_snprintf(sizeof(zBuf), zBuf, "(%d) ", rc);
4412     Tcl_AppendResult(interp, zBuf, sqlite3_errmsg(db), 0);
4413     return TCL_ERROR;
4414   }
4415 
4416   if( pStmt ){
4417     if( sqlite3TestMakePointerStr(interp, zBuf, pStmt) ) return TCL_ERROR;
4418     Tcl_AppendResult(interp, zBuf, 0);
4419   }
4420   return TCL_OK;
4421 }
4422 
4423 /*
4424 ** Usage: sqlite3_prepare_tkt3134 DB
4425 **
4426 ** Generate a prepared statement for a zero-byte string as a test
4427 ** for ticket #3134.  The string should be preceded by a zero byte.
4428 */
4429 static int SQLITE_TCLAPI test_prepare_tkt3134(
4430   void * clientData,
4431   Tcl_Interp *interp,
4432   int objc,
4433   Tcl_Obj *CONST objv[]
4434 ){
4435   sqlite3 *db;
4436   static const char zSql[] = "\000SELECT 1";
4437   sqlite3_stmt *pStmt = 0;
4438   char zBuf[50];
4439   int rc;
4440 
4441   if( objc!=2 ){
4442     Tcl_AppendResult(interp, "wrong # args: should be \"",
4443        Tcl_GetString(objv[0]), " DB sql bytes tailvar", 0);
4444     return TCL_ERROR;
4445   }
4446   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
4447   rc = sqlite3_prepare_v2(db, &zSql[1], 0, &pStmt, 0);
4448   assert(rc==SQLITE_OK || pStmt==0);
4449   if( sqlite3TestErrCode(interp, db, rc) ) return TCL_ERROR;
4450   if( rc!=SQLITE_OK ){
4451     assert( pStmt==0 );
4452     sqlite3_snprintf(sizeof(zBuf), zBuf, "(%d) ", rc);
4453     Tcl_AppendResult(interp, zBuf, sqlite3_errmsg(db), 0);
4454     return TCL_ERROR;
4455   }
4456 
4457   if( pStmt ){
4458     if( sqlite3TestMakePointerStr(interp, zBuf, pStmt) ) return TCL_ERROR;
4459     Tcl_AppendResult(interp, zBuf, 0);
4460   }
4461   return TCL_OK;
4462 }
4463 
4464 /*
4465 ** Usage: sqlite3_prepare16 DB sql bytes tailvar
4466 **
4467 ** Compile up to <bytes> bytes of the supplied SQL string <sql> using
4468 ** database handle <DB>. The parameter <tailval> is the name of a global
4469 ** variable that is set to the unused portion of <sql> (if any). A
4470 ** STMT handle is returned.
4471 */
4472 static int SQLITE_TCLAPI test_prepare16(
4473   void * clientData,
4474   Tcl_Interp *interp,
4475   int objc,
4476   Tcl_Obj *CONST objv[]
4477 ){
4478 #ifndef SQLITE_OMIT_UTF16
4479   sqlite3 *db;
4480   const void *zSql;
4481   const void *zTail = 0;
4482   Tcl_Obj *pTail = 0;
4483   sqlite3_stmt *pStmt = 0;
4484   char zBuf[50];
4485   int rc;
4486   int bytes;                /* The integer specified as arg 3 */
4487   int objlen;               /* The byte-array length of arg 2 */
4488 
4489   if( objc!=5 && objc!=4 ){
4490     Tcl_AppendResult(interp, "wrong # args: should be \"",
4491        Tcl_GetString(objv[0]), " DB sql bytes ?tailvar?", 0);
4492     return TCL_ERROR;
4493   }
4494   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
4495   zSql = Tcl_GetByteArrayFromObj(objv[2], &objlen);
4496   if( Tcl_GetIntFromObj(interp, objv[3], &bytes) ) return TCL_ERROR;
4497 
4498   rc = sqlite3_prepare16(db, zSql, bytes, &pStmt, objc>=5 ? &zTail : 0);
4499   if( sqlite3TestErrCode(interp, db, rc) ) return TCL_ERROR;
4500   if( rc ){
4501     return TCL_ERROR;
4502   }
4503 
4504   if( objc>=5 ){
4505     if( zTail ){
4506       objlen = objlen - (int)((u8 *)zTail-(u8 *)zSql);
4507     }else{
4508       objlen = 0;
4509     }
4510     pTail = Tcl_NewByteArrayObj((u8 *)zTail, objlen);
4511     Tcl_IncrRefCount(pTail);
4512     Tcl_ObjSetVar2(interp, objv[4], 0, pTail, 0);
4513     Tcl_DecrRefCount(pTail);
4514   }
4515 
4516   if( pStmt ){
4517     if( sqlite3TestMakePointerStr(interp, zBuf, pStmt) ) return TCL_ERROR;
4518   }
4519   Tcl_AppendResult(interp, zBuf, 0);
4520 #endif /* SQLITE_OMIT_UTF16 */
4521   return TCL_OK;
4522 }
4523 
4524 /*
4525 ** Usage: sqlite3_prepare16_v2 DB sql bytes ?tailvar?
4526 **
4527 ** Compile up to <bytes> bytes of the supplied SQL string <sql> using
4528 ** database handle <DB>. The parameter <tailval> is the name of a global
4529 ** variable that is set to the unused portion of <sql> (if any). A
4530 ** STMT handle is returned.
4531 */
4532 static int SQLITE_TCLAPI test_prepare16_v2(
4533   void * clientData,
4534   Tcl_Interp *interp,
4535   int objc,
4536   Tcl_Obj *CONST objv[]
4537 ){
4538 #ifndef SQLITE_OMIT_UTF16
4539   sqlite3 *db;
4540   const void *zSql;
4541   const void *zTail = 0;
4542   Tcl_Obj *pTail = 0;
4543   sqlite3_stmt *pStmt = 0;
4544   char zBuf[50];
4545   int rc;
4546   int bytes;                /* The integer specified as arg 3 */
4547   int objlen;               /* The byte-array length of arg 2 */
4548 
4549   if( objc!=5 && objc!=4 ){
4550     Tcl_AppendResult(interp, "wrong # args: should be \"",
4551        Tcl_GetString(objv[0]), " DB sql bytes ?tailvar?", 0);
4552     return TCL_ERROR;
4553   }
4554   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
4555   zSql = Tcl_GetByteArrayFromObj(objv[2], &objlen);
4556   if( Tcl_GetIntFromObj(interp, objv[3], &bytes) ) return TCL_ERROR;
4557 
4558   rc = sqlite3_prepare16_v2(db, zSql, bytes, &pStmt, objc>=5 ? &zTail : 0);
4559   if( sqlite3TestErrCode(interp, db, rc) ) return TCL_ERROR;
4560   if( rc ){
4561     return TCL_ERROR;
4562   }
4563 
4564   if( objc>=5 ){
4565     if( zTail ){
4566       objlen = objlen - (int)((u8 *)zTail-(u8 *)zSql);
4567     }else{
4568       objlen = 0;
4569     }
4570     pTail = Tcl_NewByteArrayObj((u8 *)zTail, objlen);
4571     Tcl_IncrRefCount(pTail);
4572     Tcl_ObjSetVar2(interp, objv[4], 0, pTail, 0);
4573     Tcl_DecrRefCount(pTail);
4574   }
4575 
4576   if( pStmt ){
4577     if( sqlite3TestMakePointerStr(interp, zBuf, pStmt) ) return TCL_ERROR;
4578   }
4579   Tcl_AppendResult(interp, zBuf, 0);
4580 #endif /* SQLITE_OMIT_UTF16 */
4581   return TCL_OK;
4582 }
4583 
4584 /*
4585 ** Usage: sqlite3_open filename ?options-list?
4586 */
4587 static int SQLITE_TCLAPI test_open(
4588   void * clientData,
4589   Tcl_Interp *interp,
4590   int objc,
4591   Tcl_Obj *CONST objv[]
4592 ){
4593   const char *zFilename;
4594   sqlite3 *db;
4595   char zBuf[100];
4596 
4597   if( objc!=3 && objc!=2 && objc!=1 ){
4598     Tcl_AppendResult(interp, "wrong # args: should be \"",
4599        Tcl_GetString(objv[0]), " filename options-list", 0);
4600     return TCL_ERROR;
4601   }
4602 
4603   zFilename = objc>1 ? Tcl_GetString(objv[1]) : 0;
4604   sqlite3_open(zFilename, &db);
4605 
4606   if( sqlite3TestMakePointerStr(interp, zBuf, db) ) return TCL_ERROR;
4607   Tcl_AppendResult(interp, zBuf, 0);
4608   return TCL_OK;
4609 }
4610 
4611 /*
4612 ** Usage: sqlite3_open_v2 FILENAME FLAGS VFS
4613 */
4614 static int SQLITE_TCLAPI test_open_v2(
4615   void * clientData,
4616   Tcl_Interp *interp,
4617   int objc,
4618   Tcl_Obj *CONST objv[]
4619 ){
4620   const char *zFilename;
4621   const char *zVfs;
4622   int flags = 0;
4623   sqlite3 *db;
4624   int rc;
4625   char zBuf[100];
4626 
4627   int nFlag;
4628   Tcl_Obj **apFlag;
4629   int i;
4630 
4631   if( objc!=4 ){
4632     Tcl_WrongNumArgs(interp, 1, objv, "FILENAME FLAGS VFS");
4633     return TCL_ERROR;
4634   }
4635   zFilename = Tcl_GetString(objv[1]);
4636   zVfs = Tcl_GetString(objv[3]);
4637   if( zVfs[0]==0x00 ) zVfs = 0;
4638 
4639   rc = Tcl_ListObjGetElements(interp, objv[2], &nFlag, &apFlag);
4640   if( rc!=TCL_OK ) return rc;
4641   for(i=0; i<nFlag; i++){
4642     int iFlag;
4643     struct OpenFlag {
4644       const char *zFlag;
4645       int flag;
4646     } aFlag[] = {
4647       { "SQLITE_OPEN_READONLY", SQLITE_OPEN_READONLY },
4648       { "SQLITE_OPEN_READWRITE", SQLITE_OPEN_READWRITE },
4649       { "SQLITE_OPEN_CREATE", SQLITE_OPEN_CREATE },
4650       { "SQLITE_OPEN_DELETEONCLOSE", SQLITE_OPEN_DELETEONCLOSE },
4651       { "SQLITE_OPEN_EXCLUSIVE", SQLITE_OPEN_EXCLUSIVE },
4652       { "SQLITE_OPEN_AUTOPROXY", SQLITE_OPEN_AUTOPROXY },
4653       { "SQLITE_OPEN_MAIN_DB", SQLITE_OPEN_MAIN_DB },
4654       { "SQLITE_OPEN_TEMP_DB", SQLITE_OPEN_TEMP_DB },
4655       { "SQLITE_OPEN_TRANSIENT_DB", SQLITE_OPEN_TRANSIENT_DB },
4656       { "SQLITE_OPEN_MAIN_JOURNAL", SQLITE_OPEN_MAIN_JOURNAL },
4657       { "SQLITE_OPEN_TEMP_JOURNAL", SQLITE_OPEN_TEMP_JOURNAL },
4658       { "SQLITE_OPEN_SUBJOURNAL", SQLITE_OPEN_SUBJOURNAL },
4659       { "SQLITE_OPEN_MASTER_JOURNAL", SQLITE_OPEN_MASTER_JOURNAL },
4660       { "SQLITE_OPEN_NOMUTEX", SQLITE_OPEN_NOMUTEX },
4661       { "SQLITE_OPEN_FULLMUTEX", SQLITE_OPEN_FULLMUTEX },
4662       { "SQLITE_OPEN_SHAREDCACHE", SQLITE_OPEN_SHAREDCACHE },
4663       { "SQLITE_OPEN_PRIVATECACHE", SQLITE_OPEN_PRIVATECACHE },
4664       { "SQLITE_OPEN_WAL", SQLITE_OPEN_WAL },
4665       { "SQLITE_OPEN_URI", SQLITE_OPEN_URI },
4666       { 0, 0 }
4667     };
4668     rc = Tcl_GetIndexFromObjStruct(interp, apFlag[i], aFlag, sizeof(aFlag[0]),
4669         "flag", 0, &iFlag
4670     );
4671     if( rc!=TCL_OK ) return rc;
4672     flags |= aFlag[iFlag].flag;
4673   }
4674 
4675   rc = sqlite3_open_v2(zFilename, &db, flags, zVfs);
4676   if( sqlite3TestMakePointerStr(interp, zBuf, db) ) return TCL_ERROR;
4677   Tcl_AppendResult(interp, zBuf, 0);
4678   return TCL_OK;
4679 }
4680 
4681 /*
4682 ** Usage: sqlite3_open16 filename options
4683 */
4684 static int SQLITE_TCLAPI test_open16(
4685   void * clientData,
4686   Tcl_Interp *interp,
4687   int objc,
4688   Tcl_Obj *CONST objv[]
4689 ){
4690 #ifndef SQLITE_OMIT_UTF16
4691   const void *zFilename;
4692   sqlite3 *db;
4693   char zBuf[100];
4694 
4695   if( objc!=3 ){
4696     Tcl_AppendResult(interp, "wrong # args: should be \"",
4697        Tcl_GetString(objv[0]), " filename options-list", 0);
4698     return TCL_ERROR;
4699   }
4700 
4701   zFilename = Tcl_GetByteArrayFromObj(objv[1], 0);
4702   sqlite3_open16(zFilename, &db);
4703 
4704   if( sqlite3TestMakePointerStr(interp, zBuf, db) ) return TCL_ERROR;
4705   Tcl_AppendResult(interp, zBuf, 0);
4706 #endif /* SQLITE_OMIT_UTF16 */
4707   return TCL_OK;
4708 }
4709 
4710 /*
4711 ** Usage: sqlite3_complete16 <UTF-16 string>
4712 **
4713 ** Return 1 if the supplied argument is a complete SQL statement, or zero
4714 ** otherwise.
4715 */
4716 static int SQLITE_TCLAPI test_complete16(
4717   void * clientData,
4718   Tcl_Interp *interp,
4719   int objc,
4720   Tcl_Obj *CONST objv[]
4721 ){
4722 #if !defined(SQLITE_OMIT_COMPLETE) && !defined(SQLITE_OMIT_UTF16)
4723   char *zBuf;
4724 
4725   if( objc!=2 ){
4726     Tcl_WrongNumArgs(interp, 1, objv, "<utf-16 sql>");
4727     return TCL_ERROR;
4728   }
4729 
4730   zBuf = (char*)Tcl_GetByteArrayFromObj(objv[1], 0);
4731   Tcl_SetObjResult(interp, Tcl_NewIntObj(sqlite3_complete16(zBuf)));
4732 #endif /* SQLITE_OMIT_COMPLETE && SQLITE_OMIT_UTF16 */
4733   return TCL_OK;
4734 }
4735 
4736 /*
4737 ** Usage: sqlite3_normalize SQL
4738 **
4739 ** Return the normalized value for an SQL statement.
4740 */
4741 static int SQLITE_TCLAPI test_normalize(
4742   void * clientData,
4743   Tcl_Interp *interp,
4744   int objc,
4745   Tcl_Obj *CONST objv[]
4746 ){
4747   char *zSql;
4748   char *zNorm;
4749   extern char *sqlite3_normalize(const char*);
4750 
4751   if( objc!=2 ){
4752     Tcl_WrongNumArgs(interp, 1, objv, "SQL");
4753     return TCL_ERROR;
4754   }
4755 
4756   zSql = (char*)Tcl_GetString(objv[1]);
4757   zNorm = sqlite3_normalize(zSql);
4758   if( zNorm ){
4759     Tcl_SetObjResult(interp, Tcl_NewStringObj(zNorm, -1));
4760     sqlite3_free(zNorm);
4761   }
4762   return TCL_OK;
4763 }
4764 
4765 /*
4766 ** Usage: sqlite3_step STMT
4767 **
4768 ** Advance the statement to the next row.
4769 */
4770 static int SQLITE_TCLAPI test_step(
4771   void * clientData,
4772   Tcl_Interp *interp,
4773   int objc,
4774   Tcl_Obj *CONST objv[]
4775 ){
4776   sqlite3_stmt *pStmt;
4777   int rc;
4778 
4779   if( objc!=2 ){
4780     Tcl_AppendResult(interp, "wrong # args: should be \"",
4781        Tcl_GetString(objv[0]), " STMT", 0);
4782     return TCL_ERROR;
4783   }
4784 
4785   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
4786   rc = sqlite3_step(pStmt);
4787 
4788   /* if( rc!=SQLITE_DONE && rc!=SQLITE_ROW ) return TCL_ERROR; */
4789   Tcl_SetResult(interp, (char *)t1ErrorName(rc), 0);
4790   return TCL_OK;
4791 }
4792 
4793 static int SQLITE_TCLAPI test_sql(
4794   void * clientData,
4795   Tcl_Interp *interp,
4796   int objc,
4797   Tcl_Obj *CONST objv[]
4798 ){
4799   sqlite3_stmt *pStmt;
4800 
4801   if( objc!=2 ){
4802     Tcl_WrongNumArgs(interp, 1, objv, "STMT");
4803     return TCL_ERROR;
4804   }
4805 
4806   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
4807   Tcl_SetResult(interp, (char *)sqlite3_sql(pStmt), TCL_VOLATILE);
4808   return TCL_OK;
4809 }
4810 static int SQLITE_TCLAPI test_ex_sql(
4811   void * clientData,
4812   Tcl_Interp *interp,
4813   int objc,
4814   Tcl_Obj *CONST objv[]
4815 ){
4816   sqlite3_stmt *pStmt;
4817   char *z;
4818 
4819   if( objc!=2 ){
4820     Tcl_WrongNumArgs(interp, 1, objv, "STMT");
4821     return TCL_ERROR;
4822   }
4823 
4824   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
4825   z = sqlite3_expanded_sql(pStmt);
4826   Tcl_SetResult(interp, z, TCL_VOLATILE);
4827   sqlite3_free(z);
4828   return TCL_OK;
4829 }
4830 #ifdef SQLITE_ENABLE_NORMALIZE
4831 static int SQLITE_TCLAPI test_norm_sql(
4832   void * clientData,
4833   Tcl_Interp *interp,
4834   int objc,
4835   Tcl_Obj *CONST objv[]
4836 ){
4837   sqlite3_stmt *pStmt;
4838 
4839   if( objc!=2 ){
4840     Tcl_WrongNumArgs(interp, 1, objv, "STMT");
4841     return TCL_ERROR;
4842   }
4843 
4844   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
4845   Tcl_SetResult(interp, (char *)sqlite3_normalized_sql(pStmt), TCL_VOLATILE);
4846   return TCL_OK;
4847 }
4848 #endif /* SQLITE_ENABLE_NORMALIZE */
4849 
4850 /*
4851 ** Usage: sqlite3_column_count STMT
4852 **
4853 ** Return the number of columns returned by the sql statement STMT.
4854 */
4855 static int SQLITE_TCLAPI test_column_count(
4856   void * clientData,
4857   Tcl_Interp *interp,
4858   int objc,
4859   Tcl_Obj *CONST objv[]
4860 ){
4861   sqlite3_stmt *pStmt;
4862 
4863   if( objc!=2 ){
4864     Tcl_AppendResult(interp, "wrong # args: should be \"",
4865        Tcl_GetString(objv[0]), " STMT column", 0);
4866     return TCL_ERROR;
4867   }
4868 
4869   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
4870 
4871   Tcl_SetObjResult(interp, Tcl_NewIntObj(sqlite3_column_count(pStmt)));
4872   return TCL_OK;
4873 }
4874 
4875 /*
4876 ** Usage: sqlite3_column_type STMT column
4877 **
4878 ** Return the type of the data in column 'column' of the current row.
4879 */
4880 static int SQLITE_TCLAPI test_column_type(
4881   void * clientData,
4882   Tcl_Interp *interp,
4883   int objc,
4884   Tcl_Obj *CONST objv[]
4885 ){
4886   sqlite3_stmt *pStmt;
4887   int col;
4888   int tp;
4889 
4890   if( objc!=3 ){
4891     Tcl_AppendResult(interp, "wrong # args: should be \"",
4892        Tcl_GetString(objv[0]), " STMT column", 0);
4893     return TCL_ERROR;
4894   }
4895 
4896   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
4897   if( Tcl_GetIntFromObj(interp, objv[2], &col) ) return TCL_ERROR;
4898 
4899   tp = sqlite3_column_type(pStmt, col);
4900   switch( tp ){
4901     case SQLITE_INTEGER:
4902       Tcl_SetResult(interp, "INTEGER", TCL_STATIC);
4903       break;
4904     case SQLITE_NULL:
4905       Tcl_SetResult(interp, "NULL", TCL_STATIC);
4906       break;
4907     case SQLITE_FLOAT:
4908       Tcl_SetResult(interp, "FLOAT", TCL_STATIC);
4909       break;
4910     case SQLITE_TEXT:
4911       Tcl_SetResult(interp, "TEXT", TCL_STATIC);
4912       break;
4913     case SQLITE_BLOB:
4914       Tcl_SetResult(interp, "BLOB", TCL_STATIC);
4915       break;
4916     default:
4917       assert(0);
4918   }
4919 
4920   return TCL_OK;
4921 }
4922 
4923 /*
4924 ** Usage: sqlite3_column_int64 STMT column
4925 **
4926 ** Return the data in column 'column' of the current row cast as an
4927 ** wide (64-bit) integer.
4928 */
4929 static int SQLITE_TCLAPI test_column_int64(
4930   void * clientData,
4931   Tcl_Interp *interp,
4932   int objc,
4933   Tcl_Obj *CONST objv[]
4934 ){
4935   sqlite3_stmt *pStmt;
4936   int col;
4937   i64 iVal;
4938 
4939   if( objc!=3 ){
4940     Tcl_AppendResult(interp, "wrong # args: should be \"",
4941        Tcl_GetString(objv[0]), " STMT column", 0);
4942     return TCL_ERROR;
4943   }
4944 
4945   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
4946   if( Tcl_GetIntFromObj(interp, objv[2], &col) ) return TCL_ERROR;
4947 
4948   iVal = sqlite3_column_int64(pStmt, col);
4949   Tcl_SetObjResult(interp, Tcl_NewWideIntObj(iVal));
4950   return TCL_OK;
4951 }
4952 
4953 /*
4954 ** Usage: sqlite3_column_blob STMT column
4955 */
4956 static int SQLITE_TCLAPI test_column_blob(
4957   void * clientData,
4958   Tcl_Interp *interp,
4959   int objc,
4960   Tcl_Obj *CONST objv[]
4961 ){
4962   sqlite3_stmt *pStmt;
4963   int col;
4964 
4965   int len;
4966   const void *pBlob;
4967 
4968   if( objc!=3 ){
4969     Tcl_AppendResult(interp, "wrong # args: should be \"",
4970        Tcl_GetString(objv[0]), " STMT column", 0);
4971     return TCL_ERROR;
4972   }
4973 
4974   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
4975   if( Tcl_GetIntFromObj(interp, objv[2], &col) ) return TCL_ERROR;
4976 
4977   len = sqlite3_column_bytes(pStmt, col);
4978   pBlob = sqlite3_column_blob(pStmt, col);
4979   Tcl_SetObjResult(interp, Tcl_NewByteArrayObj(pBlob, len));
4980   return TCL_OK;
4981 }
4982 
4983 /*
4984 ** Usage: sqlite3_column_double STMT column
4985 **
4986 ** Return the data in column 'column' of the current row cast as a double.
4987 */
4988 static int SQLITE_TCLAPI test_column_double(
4989   void * clientData,
4990   Tcl_Interp *interp,
4991   int objc,
4992   Tcl_Obj *CONST objv[]
4993 ){
4994   sqlite3_stmt *pStmt;
4995   int col;
4996   double rVal;
4997 
4998   if( objc!=3 ){
4999     Tcl_AppendResult(interp, "wrong # args: should be \"",
5000        Tcl_GetString(objv[0]), " STMT column", 0);
5001     return TCL_ERROR;
5002   }
5003 
5004   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
5005   if( Tcl_GetIntFromObj(interp, objv[2], &col) ) return TCL_ERROR;
5006 
5007   rVal = sqlite3_column_double(pStmt, col);
5008   Tcl_SetObjResult(interp, Tcl_NewDoubleObj(rVal));
5009   return TCL_OK;
5010 }
5011 
5012 /*
5013 ** Usage: sqlite3_data_count STMT
5014 **
5015 ** Return the number of columns returned by the sql statement STMT.
5016 */
5017 static int SQLITE_TCLAPI test_data_count(
5018   void * clientData,
5019   Tcl_Interp *interp,
5020   int objc,
5021   Tcl_Obj *CONST objv[]
5022 ){
5023   sqlite3_stmt *pStmt;
5024 
5025   if( objc!=2 ){
5026     Tcl_AppendResult(interp, "wrong # args: should be \"",
5027        Tcl_GetString(objv[0]), " STMT column", 0);
5028     return TCL_ERROR;
5029   }
5030 
5031   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
5032 
5033   Tcl_SetObjResult(interp, Tcl_NewIntObj(sqlite3_data_count(pStmt)));
5034   return TCL_OK;
5035 }
5036 
5037 /*
5038 ** Usage: sqlite3_column_text STMT column
5039 **
5040 ** Usage: sqlite3_column_decltype STMT column
5041 **
5042 ** Usage: sqlite3_column_name STMT column
5043 */
5044 static int SQLITE_TCLAPI test_stmt_utf8(
5045   void * clientData,        /* Pointer to SQLite API function to be invoke */
5046   Tcl_Interp *interp,
5047   int objc,
5048   Tcl_Obj *CONST objv[]
5049 ){
5050   sqlite3_stmt *pStmt;
5051   int col;
5052   const char *(*xFunc)(sqlite3_stmt*, int);
5053   const char *zRet;
5054 
5055   xFunc = (const char *(*)(sqlite3_stmt*, int))clientData;
5056   if( objc!=3 ){
5057     Tcl_AppendResult(interp, "wrong # args: should be \"",
5058        Tcl_GetString(objv[0]), " STMT column", 0);
5059     return TCL_ERROR;
5060   }
5061 
5062   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
5063   if( Tcl_GetIntFromObj(interp, objv[2], &col) ) return TCL_ERROR;
5064   zRet = xFunc(pStmt, col);
5065   if( zRet ){
5066     Tcl_SetResult(interp, (char *)zRet, 0);
5067   }
5068   return TCL_OK;
5069 }
5070 
5071 static int SQLITE_TCLAPI test_global_recover(
5072   void * clientData,
5073   Tcl_Interp *interp,
5074   int objc,
5075   Tcl_Obj *CONST objv[]
5076 ){
5077 #ifndef SQLITE_OMIT_DEPRECATED
5078   int rc;
5079   if( objc!=1 ){
5080     Tcl_WrongNumArgs(interp, 1, objv, "");
5081     return TCL_ERROR;
5082   }
5083   rc = sqlite3_global_recover();
5084   Tcl_SetResult(interp, (char *)t1ErrorName(rc), TCL_STATIC);
5085 #endif
5086   return TCL_OK;
5087 }
5088 
5089 /*
5090 ** Usage: sqlite3_column_text STMT column
5091 **
5092 ** Usage: sqlite3_column_decltype STMT column
5093 **
5094 ** Usage: sqlite3_column_name STMT column
5095 */
5096 static int SQLITE_TCLAPI test_stmt_utf16(
5097   void * clientData,     /* Pointer to SQLite API function to be invoked */
5098   Tcl_Interp *interp,
5099   int objc,
5100   Tcl_Obj *CONST objv[]
5101 ){
5102 #ifndef SQLITE_OMIT_UTF16
5103   sqlite3_stmt *pStmt;
5104   int col;
5105   Tcl_Obj *pRet;
5106   const void *zName16;
5107   const void *(*xFunc)(sqlite3_stmt*, int);
5108 
5109   xFunc = (const void *(*)(sqlite3_stmt*, int))clientData;
5110   if( objc!=3 ){
5111     Tcl_AppendResult(interp, "wrong # args: should be \"",
5112        Tcl_GetString(objv[0]), " STMT column", 0);
5113     return TCL_ERROR;
5114   }
5115 
5116   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
5117   if( Tcl_GetIntFromObj(interp, objv[2], &col) ) return TCL_ERROR;
5118 
5119   zName16 = xFunc(pStmt, col);
5120   if( zName16 ){
5121     int n;
5122     const char *z = zName16;
5123     for(n=0; z[n] || z[n+1]; n+=2){}
5124     pRet = Tcl_NewByteArrayObj(zName16, n+2);
5125     Tcl_SetObjResult(interp, pRet);
5126   }
5127 #endif /* SQLITE_OMIT_UTF16 */
5128 
5129   return TCL_OK;
5130 }
5131 
5132 /*
5133 ** Usage: sqlite3_column_int STMT column
5134 **
5135 ** Usage: sqlite3_column_bytes STMT column
5136 **
5137 ** Usage: sqlite3_column_bytes16 STMT column
5138 **
5139 */
5140 static int SQLITE_TCLAPI test_stmt_int(
5141   void * clientData,    /* Pointer to SQLite API function to be invoked */
5142   Tcl_Interp *interp,
5143   int objc,
5144   Tcl_Obj *CONST objv[]
5145 ){
5146   sqlite3_stmt *pStmt;
5147   int col;
5148   int (*xFunc)(sqlite3_stmt*, int);
5149 
5150   xFunc = (int (*)(sqlite3_stmt*, int))clientData;
5151   if( objc!=3 ){
5152     Tcl_AppendResult(interp, "wrong # args: should be \"",
5153        Tcl_GetString(objv[0]), " STMT column", 0);
5154     return TCL_ERROR;
5155   }
5156 
5157   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
5158   if( Tcl_GetIntFromObj(interp, objv[2], &col) ) return TCL_ERROR;
5159 
5160   Tcl_SetObjResult(interp, Tcl_NewIntObj(xFunc(pStmt, col)));
5161   return TCL_OK;
5162 }
5163 
5164 /*
5165 ** Usage:  sqlite_set_magic  DB  MAGIC-NUMBER
5166 **
5167 ** Set the db->magic value.  This is used to test error recovery logic.
5168 */
5169 static int SQLITE_TCLAPI sqlite_set_magic(
5170   void * clientData,
5171   Tcl_Interp *interp,
5172   int argc,
5173   char **argv
5174 ){
5175   sqlite3 *db;
5176   if( argc!=3 ){
5177     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
5178          " DB MAGIC", 0);
5179     return TCL_ERROR;
5180   }
5181   if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
5182   if( strcmp(argv[2], "SQLITE_MAGIC_OPEN")==0 ){
5183     db->magic = SQLITE_MAGIC_OPEN;
5184   }else if( strcmp(argv[2], "SQLITE_MAGIC_CLOSED")==0 ){
5185     db->magic = SQLITE_MAGIC_CLOSED;
5186   }else if( strcmp(argv[2], "SQLITE_MAGIC_BUSY")==0 ){
5187     db->magic = SQLITE_MAGIC_BUSY;
5188   }else if( strcmp(argv[2], "SQLITE_MAGIC_ERROR")==0 ){
5189     db->magic = SQLITE_MAGIC_ERROR;
5190   }else if( Tcl_GetInt(interp, argv[2], (int*)&db->magic) ){
5191     return TCL_ERROR;
5192   }
5193   return TCL_OK;
5194 }
5195 
5196 /*
5197 ** Usage:  sqlite3_interrupt  DB
5198 **
5199 ** Trigger an interrupt on DB
5200 */
5201 static int SQLITE_TCLAPI test_interrupt(
5202   void * clientData,
5203   Tcl_Interp *interp,
5204   int argc,
5205   char **argv
5206 ){
5207   sqlite3 *db;
5208   if( argc!=2 ){
5209     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0], " DB", 0);
5210     return TCL_ERROR;
5211   }
5212   if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
5213   sqlite3_interrupt(db);
5214   return TCL_OK;
5215 }
5216 
5217 /*
5218 ** Usage: sqlite_delete_function DB function-name
5219 **
5220 ** Delete the user function 'function-name' from database handle DB. It
5221 ** is assumed that the user function was created as UTF8, any number of
5222 ** arguments (the way the TCL interface does it).
5223 */
5224 static int SQLITE_TCLAPI delete_function(
5225   void * clientData,
5226   Tcl_Interp *interp,
5227   int argc,
5228   char **argv
5229 ){
5230   int rc;
5231   sqlite3 *db;
5232   if( argc!=3 ){
5233     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
5234         " DB function-name", 0);
5235     return TCL_ERROR;
5236   }
5237   if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
5238   rc = sqlite3_create_function(db, argv[2], -1, SQLITE_UTF8, 0, 0, 0, 0);
5239   Tcl_SetResult(interp, (char *)t1ErrorName(rc), TCL_STATIC);
5240   return TCL_OK;
5241 }
5242 
5243 /*
5244 ** Usage: sqlite_delete_collation DB collation-name
5245 **
5246 ** Delete the collation sequence 'collation-name' from database handle
5247 ** DB. It is assumed that the collation sequence was created as UTF8 (the
5248 ** way the TCL interface does it).
5249 */
5250 static int SQLITE_TCLAPI delete_collation(
5251   void * clientData,
5252   Tcl_Interp *interp,
5253   int argc,
5254   char **argv
5255 ){
5256   int rc;
5257   sqlite3 *db;
5258   if( argc!=3 ){
5259     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
5260         " DB function-name", 0);
5261     return TCL_ERROR;
5262   }
5263   if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
5264   rc = sqlite3_create_collation(db, argv[2], SQLITE_UTF8, 0, 0);
5265   Tcl_SetResult(interp, (char *)t1ErrorName(rc), TCL_STATIC);
5266   return TCL_OK;
5267 }
5268 
5269 /*
5270 ** Usage: sqlite3_get_autocommit DB
5271 **
5272 ** Return true if the database DB is currently in auto-commit mode.
5273 ** Return false if not.
5274 */
5275 static int SQLITE_TCLAPI get_autocommit(
5276   void * clientData,
5277   Tcl_Interp *interp,
5278   int argc,
5279   char **argv
5280 ){
5281   char zBuf[30];
5282   sqlite3 *db;
5283   if( argc!=2 ){
5284     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
5285         " DB", 0);
5286     return TCL_ERROR;
5287   }
5288   if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
5289   sqlite3_snprintf(sizeof(zBuf), zBuf, "%d", sqlite3_get_autocommit(db));
5290   Tcl_AppendResult(interp, zBuf, 0);
5291   return TCL_OK;
5292 }
5293 
5294 /*
5295 ** Usage: sqlite3_busy_timeout DB MS
5296 **
5297 ** Set the busy timeout.  This is more easily done using the timeout
5298 ** method of the TCL interface.  But we need a way to test the case
5299 ** where it returns SQLITE_MISUSE.
5300 */
5301 static int SQLITE_TCLAPI test_busy_timeout(
5302   void * clientData,
5303   Tcl_Interp *interp,
5304   int argc,
5305   char **argv
5306 ){
5307   int rc, ms;
5308   sqlite3 *db;
5309   if( argc!=3 ){
5310     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
5311         " DB", 0);
5312     return TCL_ERROR;
5313   }
5314   if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
5315   if( Tcl_GetInt(interp, argv[2], &ms) ) return TCL_ERROR;
5316   rc = sqlite3_busy_timeout(db, ms);
5317   Tcl_AppendResult(interp, sqlite3ErrName(rc), 0);
5318   return TCL_OK;
5319 }
5320 
5321 /*
5322 ** Usage:  tcl_variable_type VARIABLENAME
5323 **
5324 ** Return the name of the internal representation for the
5325 ** value of the given variable.
5326 */
5327 static int SQLITE_TCLAPI tcl_variable_type(
5328   void * clientData,
5329   Tcl_Interp *interp,
5330   int objc,
5331   Tcl_Obj *CONST objv[]
5332 ){
5333   Tcl_Obj *pVar;
5334   if( objc!=2 ){
5335     Tcl_WrongNumArgs(interp, 1, objv, "VARIABLE");
5336     return TCL_ERROR;
5337   }
5338   pVar = Tcl_GetVar2Ex(interp, Tcl_GetString(objv[1]), 0, TCL_LEAVE_ERR_MSG);
5339   if( pVar==0 ) return TCL_ERROR;
5340   if( pVar->typePtr ){
5341     Tcl_SetObjResult(interp, Tcl_NewStringObj(pVar->typePtr->name, -1));
5342   }
5343   return TCL_OK;
5344 }
5345 
5346 /*
5347 ** Usage:  sqlite3_release_memory ?N?
5348 **
5349 ** Attempt to release memory currently held but not actually required.
5350 ** The integer N is the number of bytes we are trying to release.  The
5351 ** return value is the amount of memory actually released.
5352 */
5353 static int SQLITE_TCLAPI test_release_memory(
5354   void * clientData,
5355   Tcl_Interp *interp,
5356   int objc,
5357   Tcl_Obj *CONST objv[]
5358 ){
5359 #if defined(SQLITE_ENABLE_MEMORY_MANAGEMENT) && !defined(SQLITE_OMIT_DISKIO)
5360   int N;
5361   int amt;
5362   if( objc!=1 && objc!=2 ){
5363     Tcl_WrongNumArgs(interp, 1, objv, "?N?");
5364     return TCL_ERROR;
5365   }
5366   if( objc==2 ){
5367     if( Tcl_GetIntFromObj(interp, objv[1], &N) ) return TCL_ERROR;
5368   }else{
5369     N = -1;
5370   }
5371   amt = sqlite3_release_memory(N);
5372   Tcl_SetObjResult(interp, Tcl_NewIntObj(amt));
5373 #endif
5374   return TCL_OK;
5375 }
5376 
5377 
5378 /*
5379 ** Usage:  sqlite3_db_release_memory DB
5380 **
5381 ** Attempt to release memory currently held by database DB.  Return the
5382 ** result code (which in the current implementation is always zero).
5383 */
5384 static int SQLITE_TCLAPI test_db_release_memory(
5385   void * clientData,
5386   Tcl_Interp *interp,
5387   int objc,
5388   Tcl_Obj *CONST objv[]
5389 ){
5390   sqlite3 *db;
5391   int rc;
5392   if( objc!=2 ){
5393     Tcl_WrongNumArgs(interp, 1, objv, "DB");
5394     return TCL_ERROR;
5395   }
5396   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
5397   rc = sqlite3_db_release_memory(db);
5398   Tcl_SetObjResult(interp, Tcl_NewIntObj(rc));
5399   return TCL_OK;
5400 }
5401 
5402 /*
5403 ** Usage:  sqlite3_db_cacheflush DB
5404 **
5405 ** Attempt to flush any dirty pages to disk.
5406 */
5407 static int SQLITE_TCLAPI test_db_cacheflush(
5408   void * clientData,
5409   Tcl_Interp *interp,
5410   int objc,
5411   Tcl_Obj *CONST objv[]
5412 ){
5413   sqlite3 *db;
5414   int rc;
5415   if( objc!=2 ){
5416     Tcl_WrongNumArgs(interp, 1, objv, "DB");
5417     return TCL_ERROR;
5418   }
5419   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
5420   rc = sqlite3_db_cacheflush(db);
5421   if( rc ){
5422     Tcl_SetResult(interp, (char *)sqlite3ErrStr(rc), TCL_STATIC);
5423     return TCL_ERROR;
5424   }
5425 
5426   Tcl_ResetResult(interp);
5427   return TCL_OK;
5428 }
5429 
5430 /*
5431 ** Usage:  sqlite3_system_errno DB
5432 **
5433 ** Return the low-level system errno value.
5434 */
5435 static int SQLITE_TCLAPI test_system_errno(
5436   void * clientData,
5437   Tcl_Interp *interp,
5438   int objc,
5439   Tcl_Obj *CONST objv[]
5440 ){
5441   sqlite3 *db;
5442   int iErrno;
5443   if( objc!=2 ){
5444     Tcl_WrongNumArgs(interp, 1, objv, "DB");
5445     return TCL_ERROR;
5446   }
5447   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
5448   iErrno = sqlite3_system_errno(db);
5449   Tcl_SetObjResult(interp, Tcl_NewIntObj(iErrno));
5450   return TCL_OK;
5451 }
5452 
5453 /*
5454 ** Usage:  sqlite3_db_filename DB DBNAME
5455 **
5456 ** Return the name of a file associated with a database.
5457 */
5458 static int SQLITE_TCLAPI test_db_filename(
5459   void * clientData,
5460   Tcl_Interp *interp,
5461   int objc,
5462   Tcl_Obj *CONST objv[]
5463 ){
5464   sqlite3 *db;
5465   const char *zDbName;
5466   if( objc!=3 ){
5467     Tcl_WrongNumArgs(interp, 1, objv, "DB DBNAME");
5468     return TCL_ERROR;
5469   }
5470   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
5471   zDbName = Tcl_GetString(objv[2]);
5472   Tcl_AppendResult(interp, sqlite3_db_filename(db, zDbName), (void*)0);
5473   return TCL_OK;
5474 }
5475 
5476 /*
5477 ** Usage:  sqlite3_db_readonly DB DBNAME
5478 **
5479 ** Return 1 or 0 if DBNAME is readonly or not.  Return -1 if DBNAME does
5480 ** not exist.
5481 */
5482 static int SQLITE_TCLAPI test_db_readonly(
5483   void * clientData,
5484   Tcl_Interp *interp,
5485   int objc,
5486   Tcl_Obj *CONST objv[]
5487 ){
5488   sqlite3 *db;
5489   const char *zDbName;
5490   if( objc!=3 ){
5491     Tcl_WrongNumArgs(interp, 1, objv, "DB DBNAME");
5492     return TCL_ERROR;
5493   }
5494   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
5495   zDbName = Tcl_GetString(objv[2]);
5496   Tcl_SetObjResult(interp, Tcl_NewIntObj(sqlite3_db_readonly(db, zDbName)));
5497   return TCL_OK;
5498 }
5499 
5500 /*
5501 ** Usage:  sqlite3_soft_heap_limit ?N?
5502 **
5503 ** Query or set the soft heap limit for the current thread.  The
5504 ** limit is only changed if the N is present.  The previous limit
5505 ** is returned.
5506 */
5507 static int SQLITE_TCLAPI test_soft_heap_limit(
5508   void * clientData,
5509   Tcl_Interp *interp,
5510   int objc,
5511   Tcl_Obj *CONST objv[]
5512 ){
5513   sqlite3_int64 amt;
5514   Tcl_WideInt N = -1;
5515   if( objc!=1 && objc!=2 ){
5516     Tcl_WrongNumArgs(interp, 1, objv, "?N?");
5517     return TCL_ERROR;
5518   }
5519   if( objc==2 ){
5520     if( Tcl_GetWideIntFromObj(interp, objv[1], &N) ) return TCL_ERROR;
5521   }
5522   amt = sqlite3_soft_heap_limit64(N);
5523   Tcl_SetObjResult(interp, Tcl_NewWideIntObj(amt));
5524   return TCL_OK;
5525 }
5526 
5527 /*
5528 ** Usage:   sqlite3_thread_cleanup
5529 **
5530 ** Call the sqlite3_thread_cleanup API.
5531 */
5532 static int SQLITE_TCLAPI test_thread_cleanup(
5533   void * clientData,
5534   Tcl_Interp *interp,
5535   int objc,
5536   Tcl_Obj *CONST objv[]
5537 ){
5538 #ifndef SQLITE_OMIT_DEPRECATED
5539   sqlite3_thread_cleanup();
5540 #endif
5541   return TCL_OK;
5542 }
5543 
5544 /*
5545 ** Usage:   sqlite3_pager_refcounts  DB
5546 **
5547 ** Return a list of numbers which are the PagerRefcount for all
5548 ** pagers on each database connection.
5549 */
5550 static int SQLITE_TCLAPI test_pager_refcounts(
5551   void * clientData,
5552   Tcl_Interp *interp,
5553   int objc,
5554   Tcl_Obj *CONST objv[]
5555 ){
5556   sqlite3 *db;
5557   int i;
5558   int v, *a;
5559   Tcl_Obj *pResult;
5560 
5561   if( objc!=2 ){
5562     Tcl_AppendResult(interp, "wrong # args: should be \"",
5563         Tcl_GetStringFromObj(objv[0], 0), " DB", 0);
5564     return TCL_ERROR;
5565   }
5566   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
5567   pResult = Tcl_NewObj();
5568   for(i=0; i<db->nDb; i++){
5569     if( db->aDb[i].pBt==0 ){
5570       v = -1;
5571     }else{
5572       sqlite3_mutex_enter(db->mutex);
5573       a = sqlite3PagerStats(sqlite3BtreePager(db->aDb[i].pBt));
5574       v = a[0];
5575       sqlite3_mutex_leave(db->mutex);
5576     }
5577     Tcl_ListObjAppendElement(0, pResult, Tcl_NewIntObj(v));
5578   }
5579   Tcl_SetObjResult(interp, pResult);
5580   return TCL_OK;
5581 }
5582 
5583 
5584 /*
5585 ** tclcmd:   working_64bit_int
5586 **
5587 ** Some TCL builds (ex: cygwin) do not support 64-bit integers.  This
5588 ** leads to a number of test failures.  The present command checks the
5589 ** TCL build to see whether or not it supports 64-bit integers.  It
5590 ** returns TRUE if it does and FALSE if not.
5591 **
5592 ** This command is used to warn users that their TCL build is defective
5593 ** and that the errors they are seeing in the test scripts might be
5594 ** a result of their defective TCL rather than problems in SQLite.
5595 */
5596 static int SQLITE_TCLAPI working_64bit_int(
5597   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
5598   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
5599   int objc,              /* Number of arguments */
5600   Tcl_Obj *CONST objv[]  /* Command arguments */
5601 ){
5602   Tcl_Obj *pTestObj;
5603   int working = 0;
5604 
5605   pTestObj = Tcl_NewWideIntObj(1000000*(i64)1234567890);
5606   working = strcmp(Tcl_GetString(pTestObj), "1234567890000000")==0;
5607   Tcl_DecrRefCount(pTestObj);
5608   Tcl_SetObjResult(interp, Tcl_NewBooleanObj(working));
5609   return TCL_OK;
5610 }
5611 
5612 
5613 /*
5614 ** tclcmd:   vfs_unlink_test
5615 **
5616 ** This TCL command unregisters the primary VFS and then registers
5617 ** it back again.  This is used to test the ability to register a
5618 ** VFS when none are previously registered, and the ability to
5619 ** unregister the only available VFS.  Ticket #2738
5620 */
5621 static int SQLITE_TCLAPI vfs_unlink_test(
5622   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
5623   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
5624   int objc,              /* Number of arguments */
5625   Tcl_Obj *CONST objv[]  /* Command arguments */
5626 ){
5627   int i;
5628   sqlite3_vfs *pMain;
5629   sqlite3_vfs *apVfs[20];
5630   sqlite3_vfs one, two;
5631 
5632   sqlite3_vfs_unregister(0);   /* Unregister of NULL is harmless */
5633   one.zName = "__one";
5634   two.zName = "__two";
5635 
5636   /* Calling sqlite3_vfs_register with 2nd argument of 0 does not
5637   ** change the default VFS
5638   */
5639   pMain = sqlite3_vfs_find(0);
5640   sqlite3_vfs_register(&one, 0);
5641   assert( pMain==0 || pMain==sqlite3_vfs_find(0) );
5642   sqlite3_vfs_register(&two, 0);
5643   assert( pMain==0 || pMain==sqlite3_vfs_find(0) );
5644 
5645   /* We can find a VFS by its name */
5646   assert( sqlite3_vfs_find("__one")==&one );
5647   assert( sqlite3_vfs_find("__two")==&two );
5648 
5649   /* Calling sqlite_vfs_register with non-zero second parameter changes the
5650   ** default VFS, even if the 1st parameter is an existig VFS that is
5651   ** previously registered as the non-default.
5652   */
5653   sqlite3_vfs_register(&one, 1);
5654   assert( sqlite3_vfs_find("__one")==&one );
5655   assert( sqlite3_vfs_find("__two")==&two );
5656   assert( sqlite3_vfs_find(0)==&one );
5657   sqlite3_vfs_register(&two, 1);
5658   assert( sqlite3_vfs_find("__one")==&one );
5659   assert( sqlite3_vfs_find("__two")==&two );
5660   assert( sqlite3_vfs_find(0)==&two );
5661   if( pMain ){
5662     sqlite3_vfs_register(pMain, 1);
5663     assert( sqlite3_vfs_find("__one")==&one );
5664     assert( sqlite3_vfs_find("__two")==&two );
5665     assert( sqlite3_vfs_find(0)==pMain );
5666   }
5667 
5668   /* Unlink the default VFS.  Repeat until there are no more VFSes
5669   ** registered.
5670   */
5671   for(i=0; i<sizeof(apVfs)/sizeof(apVfs[0]); i++){
5672     apVfs[i] = sqlite3_vfs_find(0);
5673     if( apVfs[i] ){
5674       assert( apVfs[i]==sqlite3_vfs_find(apVfs[i]->zName) );
5675       sqlite3_vfs_unregister(apVfs[i]);
5676       assert( 0==sqlite3_vfs_find(apVfs[i]->zName) );
5677     }
5678   }
5679   assert( 0==sqlite3_vfs_find(0) );
5680 
5681   /* Register the main VFS as non-default (will be made default, since
5682   ** it'll be the only one in existence).
5683   */
5684   sqlite3_vfs_register(pMain, 0);
5685   assert( sqlite3_vfs_find(0)==pMain );
5686 
5687   /* Un-register the main VFS again to restore an empty VFS list */
5688   sqlite3_vfs_unregister(pMain);
5689   assert( 0==sqlite3_vfs_find(0) );
5690 
5691   /* Relink all VFSes in reverse order. */
5692   for(i=sizeof(apVfs)/sizeof(apVfs[0])-1; i>=0; i--){
5693     if( apVfs[i] ){
5694       sqlite3_vfs_register(apVfs[i], 1);
5695       assert( apVfs[i]==sqlite3_vfs_find(0) );
5696       assert( apVfs[i]==sqlite3_vfs_find(apVfs[i]->zName) );
5697     }
5698   }
5699 
5700   /* Unregister out sample VFSes. */
5701   sqlite3_vfs_unregister(&one);
5702   sqlite3_vfs_unregister(&two);
5703 
5704   /* Unregistering a VFS that is not currently registered is harmless */
5705   sqlite3_vfs_unregister(&one);
5706   sqlite3_vfs_unregister(&two);
5707   assert( sqlite3_vfs_find("__one")==0 );
5708   assert( sqlite3_vfs_find("__two")==0 );
5709 
5710   /* We should be left with the original default VFS back as the
5711   ** original */
5712   assert( sqlite3_vfs_find(0)==pMain );
5713 
5714   return TCL_OK;
5715 }
5716 
5717 /*
5718 ** tclcmd:   vfs_initfail_test
5719 **
5720 ** This TCL command attempts to vfs_find and vfs_register when the
5721 ** sqlite3_initialize() interface is failing.  All calls should fail.
5722 */
5723 static int SQLITE_TCLAPI vfs_initfail_test(
5724   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
5725   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
5726   int objc,              /* Number of arguments */
5727   Tcl_Obj *CONST objv[]  /* Command arguments */
5728 ){
5729   sqlite3_vfs one;
5730   one.zName = "__one";
5731 
5732   if( sqlite3_vfs_find(0) ) return TCL_ERROR;
5733   sqlite3_vfs_register(&one, 0);
5734   if( sqlite3_vfs_find(0) ) return TCL_ERROR;
5735   sqlite3_vfs_register(&one, 1);
5736   if( sqlite3_vfs_find(0) ) return TCL_ERROR;
5737   return TCL_OK;
5738 }
5739 
5740 /*
5741 ** Saved VFSes
5742 */
5743 static sqlite3_vfs *apVfs[20];
5744 static int nVfs = 0;
5745 
5746 /*
5747 ** tclcmd:   vfs_unregister_all
5748 **
5749 ** Unregister all VFSes.
5750 */
5751 static int SQLITE_TCLAPI vfs_unregister_all(
5752   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
5753   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
5754   int objc,              /* Number of arguments */
5755   Tcl_Obj *CONST objv[]  /* Command arguments */
5756 ){
5757   int i;
5758   for(i=0; i<ArraySize(apVfs); i++){
5759     apVfs[i] = sqlite3_vfs_find(0);
5760     if( apVfs[i]==0 ) break;
5761     sqlite3_vfs_unregister(apVfs[i]);
5762   }
5763   nVfs = i;
5764   return TCL_OK;
5765 }
5766 /*
5767 ** tclcmd:   vfs_reregister_all
5768 **
5769 ** Restore all VFSes that were removed using vfs_unregister_all. Taking
5770 ** care to put the linked list back together in the same order as it was
5771 ** in before vfs_unregister_all was invoked.
5772 */
5773 static int SQLITE_TCLAPI vfs_reregister_all(
5774   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
5775   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
5776   int objc,              /* Number of arguments */
5777   Tcl_Obj *CONST objv[]  /* Command arguments */
5778 ){
5779   int i;
5780   for(i=nVfs-1; i>=0; i--){
5781     sqlite3_vfs_register(apVfs[i], 1);
5782   }
5783   return TCL_OK;
5784 }
5785 
5786 
5787 /*
5788 ** tclcmd:   file_control_test DB
5789 **
5790 ** This TCL command runs the sqlite3_file_control interface and
5791 ** verifies correct operation of the same.
5792 */
5793 static int SQLITE_TCLAPI file_control_test(
5794   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
5795   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
5796   int objc,              /* Number of arguments */
5797   Tcl_Obj *CONST objv[]  /* Command arguments */
5798 ){
5799   int iArg = 0;
5800   sqlite3 *db;
5801   int rc;
5802 
5803   if( objc!=2 ){
5804     Tcl_AppendResult(interp, "wrong # args: should be \"",
5805         Tcl_GetStringFromObj(objv[0], 0), " DB", 0);
5806     return TCL_ERROR;
5807   }
5808   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
5809   rc = sqlite3_file_control(db, 0, 0, &iArg);
5810   assert( rc==SQLITE_NOTFOUND );
5811   rc = sqlite3_file_control(db, "notadatabase", SQLITE_FCNTL_LOCKSTATE, &iArg);
5812   assert( rc==SQLITE_ERROR );
5813   rc = sqlite3_file_control(db, "main", -1, &iArg);
5814   assert( rc==SQLITE_NOTFOUND );
5815   rc = sqlite3_file_control(db, "temp", -1, &iArg);
5816   assert( rc==SQLITE_NOTFOUND || rc==SQLITE_ERROR );
5817 
5818   return TCL_OK;
5819 }
5820 
5821 
5822 /*
5823 ** tclcmd:   file_control_lasterrno_test DB
5824 **
5825 ** This TCL command runs the sqlite3_file_control interface and
5826 ** verifies correct operation of the SQLITE_LAST_ERRNO verb.
5827 */
5828 static int SQLITE_TCLAPI file_control_lasterrno_test(
5829   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
5830   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
5831   int objc,              /* Number of arguments */
5832   Tcl_Obj *CONST objv[]  /* Command arguments */
5833 ){
5834   int iArg = 0;
5835   sqlite3 *db;
5836   int rc;
5837 
5838   if( objc!=2 ){
5839     Tcl_AppendResult(interp, "wrong # args: should be \"",
5840         Tcl_GetStringFromObj(objv[0], 0), " DB", 0);
5841     return TCL_ERROR;
5842   }
5843   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ){
5844     return TCL_ERROR;
5845   }
5846   rc = sqlite3_file_control(db, NULL, SQLITE_LAST_ERRNO, &iArg);
5847   if( rc ){
5848     Tcl_SetObjResult(interp, Tcl_NewIntObj(rc));
5849     return TCL_ERROR;
5850   }
5851   if( iArg!=0 ) {
5852     Tcl_AppendResult(interp, "Unexpected non-zero errno: ",
5853                      Tcl_GetStringFromObj(Tcl_NewIntObj(iArg), 0), " ", 0);
5854     return TCL_ERROR;
5855   }
5856   return TCL_OK;
5857 }
5858 
5859 /*
5860 ** tclcmd:   file_control_data_version DB DBNAME
5861 **
5862 ** This TCL command runs the sqlite3_file_control with the
5863 ** SQLITE_FCNTL_DATA_VERSION opcode, returning the result.
5864 */
5865 static int SQLITE_TCLAPI file_control_data_version(
5866   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
5867   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
5868   int objc,              /* Number of arguments */
5869   Tcl_Obj *CONST objv[]  /* Command arguments */
5870 ){
5871   unsigned int iVers;             /* data version */
5872   char *zDb;                      /* Db name ("main", "temp" etc.) */
5873   sqlite3 *db;                    /* Database handle */
5874   int rc;                         /* file_control() return code */
5875   char zBuf[100];
5876 
5877   if( objc!=3 && objc!=2 ){
5878     Tcl_WrongNumArgs(interp, 1, objv, "DB [DBNAME]");
5879     return TCL_ERROR;
5880   }
5881   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ){
5882    return TCL_ERROR;
5883   }
5884   zDb = objc==3 ? Tcl_GetString(objv[2]) : NULL;
5885 
5886   rc = sqlite3_file_control(db, zDb, SQLITE_FCNTL_DATA_VERSION, (void *)&iVers);
5887   if( rc ){
5888     Tcl_SetResult(interp, (char *)sqlite3ErrName(rc), TCL_STATIC);
5889     return TCL_ERROR;
5890   }else{
5891     sqlite3_snprintf(sizeof(zBuf),zBuf,"%u",iVers);
5892     Tcl_SetResult(interp, (char *)zBuf, TCL_VOLATILE);
5893     return TCL_OK;
5894   }
5895 }
5896 
5897 /*
5898 ** tclcmd:   file_control_chunksize_test DB DBNAME SIZE
5899 **
5900 ** This TCL command runs the sqlite3_file_control interface and
5901 ** verifies correct operation of the SQLITE_GET_LOCKPROXYFILE and
5902 ** SQLITE_SET_LOCKPROXYFILE verbs.
5903 */
5904 static int SQLITE_TCLAPI file_control_chunksize_test(
5905   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
5906   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
5907   int objc,              /* Number of arguments */
5908   Tcl_Obj *CONST objv[]  /* Command arguments */
5909 ){
5910   int nSize;                      /* New chunk size */
5911   char *zDb;                      /* Db name ("main", "temp" etc.) */
5912   sqlite3 *db;                    /* Database handle */
5913   int rc;                         /* file_control() return code */
5914 
5915   if( objc!=4 ){
5916     Tcl_WrongNumArgs(interp, 1, objv, "DB DBNAME SIZE");
5917     return TCL_ERROR;
5918   }
5919   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db)
5920    || Tcl_GetIntFromObj(interp, objv[3], &nSize)
5921   ){
5922    return TCL_ERROR;
5923   }
5924   zDb = Tcl_GetString(objv[2]);
5925   if( zDb[0]=='\0' ) zDb = NULL;
5926 
5927   rc = sqlite3_file_control(db, zDb, SQLITE_FCNTL_CHUNK_SIZE, (void *)&nSize);
5928   if( rc ){
5929     Tcl_SetResult(interp, (char *)sqlite3ErrName(rc), TCL_STATIC);
5930     return TCL_ERROR;
5931   }
5932   return TCL_OK;
5933 }
5934 
5935 /*
5936 ** tclcmd:   file_control_sizehint_test DB DBNAME SIZE
5937 **
5938 ** This TCL command runs the sqlite3_file_control interface
5939 ** with SQLITE_FCNTL_SIZE_HINT
5940 */
5941 static int SQLITE_TCLAPI file_control_sizehint_test(
5942   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
5943   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
5944   int objc,              /* Number of arguments */
5945   Tcl_Obj *CONST objv[]  /* Command arguments */
5946 ){
5947   Tcl_WideInt nSize;              /* Hinted size */
5948   char *zDb;                      /* Db name ("main", "temp" etc.) */
5949   sqlite3 *db;                    /* Database handle */
5950   int rc;                         /* file_control() return code */
5951 
5952   if( objc!=4 ){
5953     Tcl_WrongNumArgs(interp, 1, objv, "DB DBNAME SIZE");
5954     return TCL_ERROR;
5955   }
5956   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db)
5957    || Tcl_GetWideIntFromObj(interp, objv[3], &nSize)
5958   ){
5959    return TCL_ERROR;
5960   }
5961   zDb = Tcl_GetString(objv[2]);
5962   if( zDb[0]=='\0' ) zDb = NULL;
5963 
5964   rc = sqlite3_file_control(db, zDb, SQLITE_FCNTL_SIZE_HINT, (void *)&nSize);
5965   if( rc ){
5966     Tcl_SetResult(interp, (char *)sqlite3ErrName(rc), TCL_STATIC);
5967     return TCL_ERROR;
5968   }
5969   return TCL_OK;
5970 }
5971 
5972 /*
5973 ** tclcmd:   file_control_lockproxy_test DB PWD
5974 **
5975 ** This TCL command runs the sqlite3_file_control interface and
5976 ** verifies correct operation of the SQLITE_GET_LOCKPROXYFILE and
5977 ** SQLITE_SET_LOCKPROXYFILE verbs.
5978 */
5979 static int SQLITE_TCLAPI file_control_lockproxy_test(
5980   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
5981   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
5982   int objc,              /* Number of arguments */
5983   Tcl_Obj *CONST objv[]  /* Command arguments */
5984 ){
5985   sqlite3 *db;
5986 
5987   if( objc!=3 ){
5988     Tcl_AppendResult(interp, "wrong # args: should be \"",
5989                      Tcl_GetStringFromObj(objv[0], 0), " DB PWD", 0);
5990     return TCL_ERROR;
5991   }
5992   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ){
5993    return TCL_ERROR;
5994   }
5995 
5996 #if !defined(SQLITE_ENABLE_LOCKING_STYLE)
5997 #  if defined(__APPLE__)
5998 #    define SQLITE_ENABLE_LOCKING_STYLE 1
5999 #  else
6000 #    define SQLITE_ENABLE_LOCKING_STYLE 0
6001 #  endif
6002 #endif
6003 #if SQLITE_ENABLE_LOCKING_STYLE && defined(__APPLE__)
6004   {
6005     char *testPath;
6006     int rc;
6007     int nPwd;
6008     const char *zPwd;
6009     char proxyPath[400];
6010 
6011     zPwd = Tcl_GetStringFromObj(objv[2], &nPwd);
6012     if( sizeof(proxyPath)<nPwd+20 ){
6013       Tcl_AppendResult(interp, "PWD too big", (void*)0);
6014       return TCL_ERROR;
6015     }
6016     sqlite3_snprintf(sizeof(proxyPath), proxyPath, "%s/test.proxy", zPwd);
6017     rc = sqlite3_file_control(db, NULL, SQLITE_SET_LOCKPROXYFILE, proxyPath);
6018     if( rc ){
6019       Tcl_SetObjResult(interp, Tcl_NewIntObj(rc));
6020       return TCL_ERROR;
6021     }
6022     rc = sqlite3_file_control(db, NULL, SQLITE_GET_LOCKPROXYFILE, &testPath);
6023     if( strncmp(proxyPath,testPath,11) ){
6024       Tcl_AppendResult(interp, "Lock proxy file did not match the "
6025                                "previously assigned value", 0);
6026       return TCL_ERROR;
6027     }
6028     if( rc ){
6029       Tcl_SetObjResult(interp, Tcl_NewIntObj(rc));
6030       return TCL_ERROR;
6031     }
6032     rc = sqlite3_file_control(db, NULL, SQLITE_SET_LOCKPROXYFILE, proxyPath);
6033     if( rc ){
6034       Tcl_SetObjResult(interp, Tcl_NewIntObj(rc));
6035       return TCL_ERROR;
6036     }
6037   }
6038 #endif
6039   return TCL_OK;
6040 }
6041 
6042 #if SQLITE_OS_WIN
6043 /*
6044 ** tclcmd:   file_control_win32_av_retry DB  NRETRY  DELAY
6045 **
6046 ** This TCL command runs the sqlite3_file_control interface with
6047 ** the SQLITE_FCNTL_WIN32_AV_RETRY opcode.
6048 */
6049 static int SQLITE_TCLAPI file_control_win32_av_retry(
6050   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
6051   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
6052   int objc,              /* Number of arguments */
6053   Tcl_Obj *CONST objv[]  /* Command arguments */
6054 ){
6055   sqlite3 *db;
6056   int rc;
6057   int a[2];
6058   char z[100];
6059 
6060   if( objc!=4 ){
6061     Tcl_AppendResult(interp, "wrong # args: should be \"",
6062         Tcl_GetStringFromObj(objv[0], 0), " DB NRETRY DELAY", 0);
6063     return TCL_ERROR;
6064   }
6065   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ){
6066     return TCL_ERROR;
6067   }
6068   if( Tcl_GetIntFromObj(interp, objv[2], &a[0]) ) return TCL_ERROR;
6069   if( Tcl_GetIntFromObj(interp, objv[3], &a[1]) ) return TCL_ERROR;
6070   rc = sqlite3_file_control(db, NULL, SQLITE_FCNTL_WIN32_AV_RETRY, (void*)a);
6071   sqlite3_snprintf(sizeof(z), z, "%d %d %d", rc, a[0], a[1]);
6072   Tcl_AppendResult(interp, z, (char*)0);
6073   return TCL_OK;
6074 }
6075 
6076 /*
6077 ** tclcmd:   file_control_win32_get_handle DB
6078 **
6079 ** This TCL command runs the sqlite3_file_control interface with
6080 ** the SQLITE_FCNTL_WIN32_GET_HANDLE opcode.
6081 */
6082 static int file_control_win32_get_handle(
6083   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
6084   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
6085   int objc,              /* Number of arguments */
6086   Tcl_Obj *CONST objv[]  /* Command arguments */
6087 ){
6088   sqlite3 *db;
6089   int rc;
6090   HANDLE hFile = NULL;
6091   char z[100];
6092 
6093   if( objc!=2 ){
6094     Tcl_AppendResult(interp, "wrong # args: should be \"",
6095         Tcl_GetStringFromObj(objv[0], 0), " DB", 0);
6096     return TCL_ERROR;
6097   }
6098   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ){
6099     return TCL_ERROR;
6100   }
6101   rc = sqlite3_file_control(db, NULL, SQLITE_FCNTL_WIN32_GET_HANDLE,
6102                             (void*)&hFile);
6103   sqlite3_snprintf(sizeof(z), z, "%d %p", rc, (void*)hFile);
6104   Tcl_AppendResult(interp, z, (char*)0);
6105   return TCL_OK;
6106 }
6107 
6108 /*
6109 ** tclcmd:   file_control_win32_set_handle DB HANDLE
6110 **
6111 ** This TCL command runs the sqlite3_file_control interface with
6112 ** the SQLITE_FCNTL_WIN32_SET_HANDLE opcode.
6113 */
6114 static int SQLITE_TCLAPI file_control_win32_set_handle(
6115   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
6116   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
6117   int objc,              /* Number of arguments */
6118   Tcl_Obj *CONST objv[]  /* Command arguments */
6119 ){
6120   sqlite3 *db;
6121   int rc;
6122   HANDLE hFile = NULL;
6123   char z[100];
6124 
6125   if( objc!=3 ){
6126     Tcl_AppendResult(interp, "wrong # args: should be \"",
6127         Tcl_GetStringFromObj(objv[0], 0), " DB HANDLE", 0);
6128     return TCL_ERROR;
6129   }
6130   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ){
6131     return TCL_ERROR;
6132   }
6133   if( getWin32Handle(interp, Tcl_GetString(objv[2]), &hFile) ){
6134     return TCL_ERROR;
6135   }
6136   rc = sqlite3_file_control(db, NULL, SQLITE_FCNTL_WIN32_SET_HANDLE,
6137                             (void*)&hFile);
6138   sqlite3_snprintf(sizeof(z), z, "%d %p", rc, (void*)hFile);
6139   Tcl_AppendResult(interp, z, (char*)0);
6140   return TCL_OK;
6141 }
6142 #endif
6143 
6144 /*
6145 ** tclcmd:   file_control_persist_wal DB PERSIST-FLAG
6146 **
6147 ** This TCL command runs the sqlite3_file_control interface with
6148 ** the SQLITE_FCNTL_PERSIST_WAL opcode.
6149 */
6150 static int SQLITE_TCLAPI file_control_persist_wal(
6151   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
6152   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
6153   int objc,              /* Number of arguments */
6154   Tcl_Obj *CONST objv[]  /* Command arguments */
6155 ){
6156   sqlite3 *db;
6157   int rc;
6158   int bPersist;
6159   char z[100];
6160 
6161   if( objc!=3 ){
6162     Tcl_AppendResult(interp, "wrong # args: should be \"",
6163         Tcl_GetStringFromObj(objv[0], 0), " DB FLAG", 0);
6164     return TCL_ERROR;
6165   }
6166   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ){
6167     return TCL_ERROR;
6168   }
6169   if( Tcl_GetIntFromObj(interp, objv[2], &bPersist) ) return TCL_ERROR;
6170   rc = sqlite3_file_control(db, NULL, SQLITE_FCNTL_PERSIST_WAL, (void*)&bPersist);
6171   sqlite3_snprintf(sizeof(z), z, "%d %d", rc, bPersist);
6172   Tcl_AppendResult(interp, z, (char*)0);
6173   return TCL_OK;
6174 }
6175 
6176 /*
6177 ** tclcmd:   file_control_powersafe_overwrite DB PSOW-FLAG
6178 **
6179 ** This TCL command runs the sqlite3_file_control interface with
6180 ** the SQLITE_FCNTL_POWERSAFE_OVERWRITE opcode.
6181 */
6182 static int SQLITE_TCLAPI file_control_powersafe_overwrite(
6183   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
6184   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
6185   int objc,              /* Number of arguments */
6186   Tcl_Obj *CONST objv[]  /* Command arguments */
6187 ){
6188   sqlite3 *db;
6189   int rc;
6190   int b;
6191   char z[100];
6192 
6193   if( objc!=3 ){
6194     Tcl_AppendResult(interp, "wrong # args: should be \"",
6195         Tcl_GetStringFromObj(objv[0], 0), " DB FLAG", 0);
6196     return TCL_ERROR;
6197   }
6198   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ){
6199     return TCL_ERROR;
6200   }
6201   if( Tcl_GetIntFromObj(interp, objv[2], &b) ) return TCL_ERROR;
6202   rc = sqlite3_file_control(db,NULL,SQLITE_FCNTL_POWERSAFE_OVERWRITE,(void*)&b);
6203   sqlite3_snprintf(sizeof(z), z, "%d %d", rc, b);
6204   Tcl_AppendResult(interp, z, (char*)0);
6205   return TCL_OK;
6206 }
6207 
6208 
6209 /*
6210 ** tclcmd:   file_control_vfsname DB ?AUXDB?
6211 **
6212 ** Return a string that describes the stack of VFSes.
6213 */
6214 static int SQLITE_TCLAPI file_control_vfsname(
6215   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
6216   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
6217   int objc,              /* Number of arguments */
6218   Tcl_Obj *CONST objv[]  /* Command arguments */
6219 ){
6220   sqlite3 *db;
6221   const char *zDbName = "main";
6222   char *zVfsName = 0;
6223 
6224   if( objc!=2 && objc!=3 ){
6225     Tcl_AppendResult(interp, "wrong # args: should be \"",
6226         Tcl_GetStringFromObj(objv[0], 0), " DB ?AUXDB?", 0);
6227     return TCL_ERROR;
6228   }
6229   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ){
6230     return TCL_ERROR;
6231   }
6232   if( objc==3 ){
6233     zDbName = Tcl_GetString(objv[2]);
6234   }
6235   sqlite3_file_control(db, zDbName, SQLITE_FCNTL_VFSNAME,(void*)&zVfsName);
6236   Tcl_AppendResult(interp, zVfsName, (char*)0);
6237   sqlite3_free(zVfsName);
6238   return TCL_OK;
6239 }
6240 
6241 /*
6242 ** tclcmd:   file_control_tempfilename DB ?AUXDB?
6243 **
6244 ** Return a string that is a temporary filename
6245 */
6246 static int SQLITE_TCLAPI file_control_tempfilename(
6247   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
6248   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
6249   int objc,              /* Number of arguments */
6250   Tcl_Obj *CONST objv[]  /* Command arguments */
6251 ){
6252   sqlite3 *db;
6253   const char *zDbName = "main";
6254   char *zTName = 0;
6255 
6256   if( objc!=2 && objc!=3 ){
6257     Tcl_AppendResult(interp, "wrong # args: should be \"",
6258         Tcl_GetStringFromObj(objv[0], 0), " DB ?AUXDB?", 0);
6259     return TCL_ERROR;
6260   }
6261   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ){
6262     return TCL_ERROR;
6263   }
6264   if( objc==3 ){
6265     zDbName = Tcl_GetString(objv[2]);
6266   }
6267   sqlite3_file_control(db, zDbName, SQLITE_FCNTL_TEMPFILENAME, (void*)&zTName);
6268   Tcl_AppendResult(interp, zTName, (char*)0);
6269   sqlite3_free(zTName);
6270   return TCL_OK;
6271 }
6272 
6273 
6274 /*
6275 ** tclcmd:   sqlite3_vfs_list
6276 **
6277 **   Return a tcl list containing the names of all registered vfs's.
6278 */
6279 static int SQLITE_TCLAPI vfs_list(
6280   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
6281   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
6282   int objc,              /* Number of arguments */
6283   Tcl_Obj *CONST objv[]  /* Command arguments */
6284 ){
6285   sqlite3_vfs *pVfs;
6286   Tcl_Obj *pRet = Tcl_NewObj();
6287   if( objc!=1 ){
6288     Tcl_WrongNumArgs(interp, 1, objv, "");
6289     return TCL_ERROR;
6290   }
6291   for(pVfs=sqlite3_vfs_find(0); pVfs; pVfs=pVfs->pNext){
6292     Tcl_ListObjAppendElement(interp, pRet, Tcl_NewStringObj(pVfs->zName, -1));
6293   }
6294   Tcl_SetObjResult(interp, pRet);
6295   return TCL_OK;
6296 }
6297 
6298 /*
6299 ** tclcmd:   sqlite3_limit DB ID VALUE
6300 **
6301 ** This TCL command runs the sqlite3_limit interface and
6302 ** verifies correct operation of the same.
6303 */
6304 static int SQLITE_TCLAPI test_limit(
6305   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
6306   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
6307   int objc,              /* Number of arguments */
6308   Tcl_Obj *CONST objv[]  /* Command arguments */
6309 ){
6310   sqlite3 *db;
6311   int rc;
6312   static const struct {
6313      char *zName;
6314      int id;
6315   } aId[] = {
6316     { "SQLITE_LIMIT_LENGTH",              SQLITE_LIMIT_LENGTH               },
6317     { "SQLITE_LIMIT_SQL_LENGTH",          SQLITE_LIMIT_SQL_LENGTH           },
6318     { "SQLITE_LIMIT_COLUMN",              SQLITE_LIMIT_COLUMN               },
6319     { "SQLITE_LIMIT_EXPR_DEPTH",          SQLITE_LIMIT_EXPR_DEPTH           },
6320     { "SQLITE_LIMIT_COMPOUND_SELECT",     SQLITE_LIMIT_COMPOUND_SELECT      },
6321     { "SQLITE_LIMIT_VDBE_OP",             SQLITE_LIMIT_VDBE_OP              },
6322     { "SQLITE_LIMIT_FUNCTION_ARG",        SQLITE_LIMIT_FUNCTION_ARG         },
6323     { "SQLITE_LIMIT_ATTACHED",            SQLITE_LIMIT_ATTACHED             },
6324     { "SQLITE_LIMIT_LIKE_PATTERN_LENGTH", SQLITE_LIMIT_LIKE_PATTERN_LENGTH  },
6325     { "SQLITE_LIMIT_VARIABLE_NUMBER",     SQLITE_LIMIT_VARIABLE_NUMBER      },
6326     { "SQLITE_LIMIT_TRIGGER_DEPTH",       SQLITE_LIMIT_TRIGGER_DEPTH        },
6327     { "SQLITE_LIMIT_WORKER_THREADS",      SQLITE_LIMIT_WORKER_THREADS       },
6328 
6329     /* Out of range test cases */
6330     { "SQLITE_LIMIT_TOOSMALL",            -1,                               },
6331     { "SQLITE_LIMIT_TOOBIG",              SQLITE_LIMIT_WORKER_THREADS+1     },
6332   };
6333   int i, id = 0;
6334   int val;
6335   const char *zId;
6336 
6337   if( objc!=4 ){
6338     Tcl_AppendResult(interp, "wrong # args: should be \"",
6339         Tcl_GetStringFromObj(objv[0], 0), " DB ID VALUE", 0);
6340     return TCL_ERROR;
6341   }
6342   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
6343   zId = Tcl_GetString(objv[2]);
6344   for(i=0; i<sizeof(aId)/sizeof(aId[0]); i++){
6345     if( strcmp(zId, aId[i].zName)==0 ){
6346       id = aId[i].id;
6347       break;
6348     }
6349   }
6350   if( i>=sizeof(aId)/sizeof(aId[0]) ){
6351     Tcl_AppendResult(interp, "unknown limit type: ", zId, (char*)0);
6352     return TCL_ERROR;
6353   }
6354   if( Tcl_GetIntFromObj(interp, objv[3], &val) ) return TCL_ERROR;
6355   rc = sqlite3_limit(db, id, val);
6356   Tcl_SetObjResult(interp, Tcl_NewIntObj(rc));
6357   return TCL_OK;
6358 }
6359 
6360 /*
6361 ** tclcmd:  save_prng_state
6362 **
6363 ** Save the state of the pseudo-random number generator.
6364 ** At the same time, verify that sqlite3_test_control works even when
6365 ** called with an out-of-range opcode.
6366 */
6367 static int SQLITE_TCLAPI save_prng_state(
6368   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
6369   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
6370   int objc,              /* Number of arguments */
6371   Tcl_Obj *CONST objv[]  /* Command arguments */
6372 ){
6373   int rc = sqlite3_test_control(9999);
6374   assert( rc==0 );
6375   rc = sqlite3_test_control(-1);
6376   assert( rc==0 );
6377   sqlite3_test_control(SQLITE_TESTCTRL_PRNG_SAVE);
6378   return TCL_OK;
6379 }
6380 /*
6381 ** tclcmd:  restore_prng_state
6382 */
6383 static int SQLITE_TCLAPI restore_prng_state(
6384   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
6385   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
6386   int objc,              /* Number of arguments */
6387   Tcl_Obj *CONST objv[]  /* Command arguments */
6388 ){
6389   sqlite3_test_control(SQLITE_TESTCTRL_PRNG_RESTORE);
6390   return TCL_OK;
6391 }
6392 /*
6393 ** tclcmd:  reset_prng_state
6394 */
6395 static int SQLITE_TCLAPI reset_prng_state(
6396   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
6397   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
6398   int objc,              /* Number of arguments */
6399   Tcl_Obj *CONST objv[]  /* Command arguments */
6400 ){
6401   sqlite3_randomness(0,0);
6402   return TCL_OK;
6403 }
6404 /*
6405 ** tclcmd:  prng_seed INT ?DB?
6406 **
6407 ** Set up the SQLITE_TESTCTRL_PRNG_SEED pragma with parameter INT and DB.
6408 ** INT is an integer.  DB is a database connection, or a NULL pointer if
6409 ** omitted.
6410 **
6411 ** When INT!=0 and DB!=0, set the PRNG seed to the value of the schema
6412 ** cookie for DB, or to INT if the schema cookie happens to be zero.
6413 **
6414 ** When INT!=0 and DB==0, set the PRNG seed to just INT.
6415 **
6416 ** If INT==0 and DB==0 then use the default procedure of calling the
6417 ** xRandomness method on the default VFS to get the PRNG seed.
6418 */
6419 static int SQLITE_TCLAPI prng_seed(
6420   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
6421   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
6422   int objc,              /* Number of arguments */
6423   Tcl_Obj *CONST objv[]  /* Command arguments */
6424 ){
6425   int i = 0;
6426   sqlite3 *db = 0;
6427   if( objc!=2 && objc!=3 ){
6428     Tcl_WrongNumArgs(interp, 1, objv, "SEED ?DB?");
6429     return TCL_ERROR;
6430   }
6431   if( Tcl_GetIntFromObj(interp,objv[0],&i) ) return TCL_ERROR;
6432   if( objc==3 && getDbPointer(interp, Tcl_GetString(objv[2]), &db) ){
6433     return TCL_ERROR;
6434   }
6435   sqlite3_test_control(SQLITE_TESTCTRL_PRNG_SEED, i, db);
6436   return TCL_OK;
6437 }
6438 
6439 /*
6440 ** tclcmd:  database_may_be_corrupt
6441 **
6442 ** Indicate that database files might be corrupt. In other words, set the normal
6443 ** state of operation.
6444 */
6445 static int SQLITE_TCLAPI database_may_be_corrupt(
6446   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
6447   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
6448   int objc,              /* Number of arguments */
6449   Tcl_Obj *CONST objv[]  /* Command arguments */
6450 ){
6451   sqlite3_test_control(SQLITE_TESTCTRL_NEVER_CORRUPT, 0);
6452   return TCL_OK;
6453 }
6454 /*
6455 ** tclcmd:  database_never_corrupt
6456 **
6457 ** Indicate that database files are always well-formed. This enables
6458 ** extra assert() statements that test conditions that are always true
6459 ** for well-formed databases.
6460 */
6461 static int SQLITE_TCLAPI database_never_corrupt(
6462   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
6463   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
6464   int objc,              /* Number of arguments */
6465   Tcl_Obj *CONST objv[]  /* Command arguments */
6466 ){
6467   sqlite3_test_control(SQLITE_TESTCTRL_NEVER_CORRUPT, 1);
6468   return TCL_OK;
6469 }
6470 
6471 /*
6472 ** tclcmd:  pcache_stats
6473 */
6474 static int SQLITE_TCLAPI test_pcache_stats(
6475   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
6476   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
6477   int objc,              /* Number of arguments */
6478   Tcl_Obj *CONST objv[]  /* Command arguments */
6479 ){
6480   int nMin;
6481   int nMax;
6482   int nCurrent;
6483   int nRecyclable;
6484   Tcl_Obj *pRet;
6485 
6486   sqlite3PcacheStats(&nCurrent, &nMax, &nMin, &nRecyclable);
6487 
6488   pRet = Tcl_NewObj();
6489   Tcl_ListObjAppendElement(interp, pRet, Tcl_NewStringObj("current", -1));
6490   Tcl_ListObjAppendElement(interp, pRet, Tcl_NewIntObj(nCurrent));
6491   Tcl_ListObjAppendElement(interp, pRet, Tcl_NewStringObj("max", -1));
6492   Tcl_ListObjAppendElement(interp, pRet, Tcl_NewIntObj(nMax));
6493   Tcl_ListObjAppendElement(interp, pRet, Tcl_NewStringObj("min", -1));
6494   Tcl_ListObjAppendElement(interp, pRet, Tcl_NewIntObj(nMin));
6495   Tcl_ListObjAppendElement(interp, pRet, Tcl_NewStringObj("recyclable", -1));
6496   Tcl_ListObjAppendElement(interp, pRet, Tcl_NewIntObj(nRecyclable));
6497 
6498   Tcl_SetObjResult(interp, pRet);
6499 
6500   return TCL_OK;
6501 }
6502 
6503 #ifdef SQLITE_ENABLE_UNLOCK_NOTIFY
6504 static void test_unlock_notify_cb(void **aArg, int nArg){
6505   int ii;
6506   for(ii=0; ii<nArg; ii++){
6507     Tcl_EvalEx((Tcl_Interp *)aArg[ii], "unlock_notify", -1, TCL_EVAL_GLOBAL);
6508   }
6509 }
6510 #endif /* SQLITE_ENABLE_UNLOCK_NOTIFY */
6511 
6512 /*
6513 ** tclcmd:  sqlite3_unlock_notify db
6514 */
6515 #ifdef SQLITE_ENABLE_UNLOCK_NOTIFY
6516 static int SQLITE_TCLAPI test_unlock_notify(
6517   ClientData clientData, /* Unused */
6518   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
6519   int objc,              /* Number of arguments */
6520   Tcl_Obj *CONST objv[]  /* Command arguments */
6521 ){
6522   sqlite3 *db;
6523   int rc;
6524 
6525   if( objc!=2 ){
6526     Tcl_WrongNumArgs(interp, 1, objv, "DB");
6527     return TCL_ERROR;
6528   }
6529 
6530   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ){
6531     return TCL_ERROR;
6532   }
6533   rc = sqlite3_unlock_notify(db, test_unlock_notify_cb, (void *)interp);
6534   Tcl_SetResult(interp, (char *)t1ErrorName(rc), TCL_STATIC);
6535   return TCL_OK;
6536 }
6537 #endif
6538 
6539 /*
6540 ** tclcmd:  sqlite3_wal_checkpoint db ?NAME?
6541 */
6542 static int SQLITE_TCLAPI test_wal_checkpoint(
6543   ClientData clientData, /* Unused */
6544   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
6545   int objc,              /* Number of arguments */
6546   Tcl_Obj *CONST objv[]  /* Command arguments */
6547 ){
6548   char *zDb = 0;
6549   sqlite3 *db;
6550   int rc;
6551 
6552   if( objc!=3 && objc!=2 ){
6553     Tcl_WrongNumArgs(interp, 1, objv, "DB ?NAME?");
6554     return TCL_ERROR;
6555   }
6556 
6557   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ){
6558     return TCL_ERROR;
6559   }
6560   if( objc==3 ){
6561     zDb = Tcl_GetString(objv[2]);
6562   }
6563   rc = sqlite3_wal_checkpoint(db, zDb);
6564   Tcl_SetResult(interp, (char *)t1ErrorName(rc), TCL_STATIC);
6565   return TCL_OK;
6566 }
6567 
6568 /*
6569 ** tclcmd:  sqlite3_wal_checkpoint_v2 db MODE ?NAME?
6570 **
6571 ** This command calls the wal_checkpoint_v2() function with the specified
6572 ** mode argument (passive, full or restart). If present, the database name
6573 ** NAME is passed as the second argument to wal_checkpoint_v2(). If it the
6574 ** NAME argument is not present, a NULL pointer is passed instead.
6575 **
6576 ** If wal_checkpoint_v2() returns any value other than SQLITE_BUSY or
6577 ** SQLITE_OK, then this command returns TCL_ERROR. The Tcl result is set
6578 ** to the error message obtained from sqlite3_errmsg().
6579 **
6580 ** Otherwise, this command returns a list of three integers. The first integer
6581 ** is 1 if SQLITE_BUSY was returned, or 0 otherwise. The following two integers
6582 ** are the values returned via the output parameters by wal_checkpoint_v2() -
6583 ** the number of frames in the log and the number of frames in the log
6584 ** that have been checkpointed.
6585 */
6586 static int SQLITE_TCLAPI test_wal_checkpoint_v2(
6587   ClientData clientData, /* Unused */
6588   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
6589   int objc,              /* Number of arguments */
6590   Tcl_Obj *CONST objv[]  /* Command arguments */
6591 ){
6592   char *zDb = 0;
6593   sqlite3 *db;
6594   int rc;
6595 
6596   int eMode;
6597   int nLog = -555;
6598   int nCkpt = -555;
6599   Tcl_Obj *pRet;
6600 
6601   const char * aMode[] = { "passive", "full", "restart", "truncate", 0 };
6602   assert( SQLITE_CHECKPOINT_PASSIVE==0 );
6603   assert( SQLITE_CHECKPOINT_FULL==1 );
6604   assert( SQLITE_CHECKPOINT_RESTART==2 );
6605   assert( SQLITE_CHECKPOINT_TRUNCATE==3 );
6606 
6607   if( objc!=3 && objc!=4 ){
6608     Tcl_WrongNumArgs(interp, 1, objv, "DB MODE ?NAME?");
6609     return TCL_ERROR;
6610   }
6611 
6612   if( objc==4 ){
6613     zDb = Tcl_GetString(objv[3]);
6614   }
6615   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) || (
6616       TCL_OK!=Tcl_GetIntFromObj(0, objv[2], &eMode)
6617    && TCL_OK!=Tcl_GetIndexFromObj(interp, objv[2], aMode, "mode", 0, &eMode)
6618   )){
6619     return TCL_ERROR;
6620   }
6621 
6622   rc = sqlite3_wal_checkpoint_v2(db, zDb, eMode, &nLog, &nCkpt);
6623   if( rc!=SQLITE_OK && rc!=SQLITE_BUSY ){
6624     const char *zErrCode = sqlite3ErrName(rc);
6625     Tcl_ResetResult(interp);
6626     Tcl_AppendResult(interp, zErrCode, " - ", (char *)sqlite3_errmsg(db), 0);
6627     return TCL_ERROR;
6628   }
6629 
6630   pRet = Tcl_NewObj();
6631   Tcl_ListObjAppendElement(interp, pRet, Tcl_NewIntObj(rc==SQLITE_BUSY?1:0));
6632   Tcl_ListObjAppendElement(interp, pRet, Tcl_NewIntObj(nLog));
6633   Tcl_ListObjAppendElement(interp, pRet, Tcl_NewIntObj(nCkpt));
6634   Tcl_SetObjResult(interp, pRet);
6635 
6636   return TCL_OK;
6637 }
6638 
6639 /*
6640 ** tclcmd:  sqlite3_wal_autocheckpoint db VALUE
6641 */
6642 static int SQLITE_TCLAPI test_wal_autocheckpoint(
6643   ClientData clientData, /* Unused */
6644   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
6645   int objc,              /* Number of arguments */
6646   Tcl_Obj *CONST objv[]  /* Command arguments */
6647 ){
6648   sqlite3 *db;
6649   int rc;
6650   int iVal;
6651 
6652 
6653   if( objc!=3 ){
6654     Tcl_WrongNumArgs(interp, 1, objv, "DB VALUE");
6655     return TCL_ERROR;
6656   }
6657 
6658   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db)
6659    || Tcl_GetIntFromObj(0, objv[2], &iVal)
6660   ){
6661     return TCL_ERROR;
6662   }
6663 
6664   rc = sqlite3_wal_autocheckpoint(db, iVal);
6665   Tcl_ResetResult(interp);
6666   if( rc!=SQLITE_OK ){
6667     const char *zErrCode = sqlite3ErrName(rc);
6668     Tcl_SetObjResult(interp, Tcl_NewStringObj(zErrCode, -1));
6669     return TCL_ERROR;
6670   }
6671 
6672   return TCL_OK;
6673 }
6674 
6675 
6676 /*
6677 ** tclcmd:  test_sqlite3_log ?SCRIPT?
6678 */
6679 static struct LogCallback {
6680   Tcl_Interp *pInterp;
6681   Tcl_Obj *pObj;
6682 } logcallback = {0, 0};
6683 static void xLogcallback(void *unused, int err, char *zMsg){
6684   Tcl_Obj *pNew = Tcl_DuplicateObj(logcallback.pObj);
6685   Tcl_IncrRefCount(pNew);
6686   Tcl_ListObjAppendElement(
6687       0, pNew, Tcl_NewStringObj(sqlite3ErrName(err), -1)
6688   );
6689   Tcl_ListObjAppendElement(0, pNew, Tcl_NewStringObj(zMsg, -1));
6690   Tcl_EvalObjEx(logcallback.pInterp, pNew, TCL_EVAL_GLOBAL|TCL_EVAL_DIRECT);
6691   Tcl_DecrRefCount(pNew);
6692 }
6693 static int SQLITE_TCLAPI test_sqlite3_log(
6694   ClientData clientData,
6695   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
6696   int objc,              /* Number of arguments */
6697   Tcl_Obj *CONST objv[]  /* Command arguments */
6698 ){
6699   if( objc>2 ){
6700     Tcl_WrongNumArgs(interp, 1, objv, "SCRIPT");
6701     return TCL_ERROR;
6702   }
6703   if( logcallback.pObj ){
6704     Tcl_DecrRefCount(logcallback.pObj);
6705     logcallback.pObj = 0;
6706     logcallback.pInterp = 0;
6707     sqlite3_config(SQLITE_CONFIG_LOG, (void*)0, (void*)0);
6708   }
6709   if( objc>1 ){
6710     logcallback.pObj = objv[1];
6711     Tcl_IncrRefCount(logcallback.pObj);
6712     logcallback.pInterp = interp;
6713     sqlite3_config(SQLITE_CONFIG_LOG, xLogcallback, (void*)0);
6714   }
6715   return TCL_OK;
6716 }
6717 
6718 /*
6719 **     tcl_objproc COMMANDNAME ARGS...
6720 **
6721 ** Run a TCL command using its objProc interface.  Throw an error if
6722 ** the command has no objProc interface.
6723 */
6724 static int SQLITE_TCLAPI runAsObjProc(
6725   void * clientData,
6726   Tcl_Interp *interp,
6727   int objc,
6728   Tcl_Obj *CONST objv[]
6729 ){
6730   Tcl_CmdInfo cmdInfo;
6731   if( objc<2 ){
6732     Tcl_WrongNumArgs(interp, 1, objv, "COMMAND ...");
6733     return TCL_ERROR;
6734   }
6735   if( !Tcl_GetCommandInfo(interp, Tcl_GetString(objv[1]), &cmdInfo) ){
6736     Tcl_AppendResult(interp, "command not found: ",
6737            Tcl_GetString(objv[1]), (char*)0);
6738     return TCL_ERROR;
6739   }
6740   if( cmdInfo.objProc==0 ){
6741     Tcl_AppendResult(interp, "command has no objProc: ",
6742            Tcl_GetString(objv[1]), (char*)0);
6743     return TCL_ERROR;
6744   }
6745   return cmdInfo.objProc(cmdInfo.objClientData, interp, objc-1, objv+1);
6746 }
6747 
6748 #ifndef SQLITE_OMIT_EXPLAIN
6749 /*
6750 ** WARNING: The following function, printExplainQueryPlan() is an exact
6751 ** copy of example code from eqp.in (eqp.html). If this code is modified,
6752 ** then the documentation copy needs to be modified as well.
6753 */
6754 /*
6755 ** Argument pStmt is a prepared SQL statement. This function compiles
6756 ** an EXPLAIN QUERY PLAN command to report on the prepared statement,
6757 ** and prints the report to stdout using printf().
6758 */
6759 int printExplainQueryPlan(sqlite3_stmt *pStmt){
6760   const char *zSql;               /* Input SQL */
6761   char *zExplain;                 /* SQL with EXPLAIN QUERY PLAN prepended */
6762   sqlite3_stmt *pExplain;         /* Compiled EXPLAIN QUERY PLAN command */
6763   int rc;                         /* Return code from sqlite3_prepare_v2() */
6764 
6765   zSql = sqlite3_sql(pStmt);
6766   if( zSql==0 ) return SQLITE_ERROR;
6767 
6768   zExplain = sqlite3_mprintf("EXPLAIN QUERY PLAN %s", zSql);
6769   if( zExplain==0 ) return SQLITE_NOMEM;
6770 
6771   rc = sqlite3_prepare_v2(sqlite3_db_handle(pStmt), zExplain, -1, &pExplain, 0);
6772   sqlite3_free(zExplain);
6773   if( rc!=SQLITE_OK ) return rc;
6774 
6775   while( SQLITE_ROW==sqlite3_step(pExplain) ){
6776     int iSelectid = sqlite3_column_int(pExplain, 0);
6777     int iOrder = sqlite3_column_int(pExplain, 1);
6778     int iFrom = sqlite3_column_int(pExplain, 2);
6779     const char *zDetail = (const char *)sqlite3_column_text(pExplain, 3);
6780 
6781     printf("%d %d %d %s\n", iSelectid, iOrder, iFrom, zDetail);
6782   }
6783 
6784   return sqlite3_finalize(pExplain);
6785 }
6786 
6787 static int SQLITE_TCLAPI test_print_eqp(
6788   void * clientData,
6789   Tcl_Interp *interp,
6790   int objc,
6791   Tcl_Obj *CONST objv[]
6792 ){
6793   int rc;
6794   sqlite3_stmt *pStmt;
6795 
6796   if( objc!=2 ){
6797     Tcl_WrongNumArgs(interp, 1, objv, "STMT");
6798     return TCL_ERROR;
6799   }
6800   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
6801   rc = printExplainQueryPlan(pStmt);
6802   /* This is needed on Windows so that a test case using this
6803   ** function can open a read pipe and get the output of
6804   ** printExplainQueryPlan() immediately.
6805   */
6806   fflush(stdout);
6807   Tcl_SetResult(interp, (char *)t1ErrorName(rc), 0);
6808   return TCL_OK;
6809 }
6810 #endif /* SQLITE_OMIT_EXPLAIN */
6811 
6812 /*
6813 ** sqlite3_test_control VERB ARGS...
6814 */
6815 static int SQLITE_TCLAPI test_test_control(
6816   void * clientData,
6817   Tcl_Interp *interp,
6818   int objc,
6819   Tcl_Obj *CONST objv[]
6820 ){
6821   struct Verb {
6822     const char *zName;
6823     int i;
6824   } aVerb[] = {
6825     { "SQLITE_TESTCTRL_LOCALTIME_FAULT",    SQLITE_TESTCTRL_LOCALTIME_FAULT },
6826     { "SQLITE_TESTCTRL_SORTER_MMAP",        SQLITE_TESTCTRL_SORTER_MMAP     },
6827     { "SQLITE_TESTCTRL_IMPOSTER",           SQLITE_TESTCTRL_IMPOSTER        },
6828     { "SQLITE_TESTCTRL_INTERNAL_FUNCTIONS", SQLITE_TESTCTRL_INTERNAL_FUNCTIONS},
6829   };
6830   int iVerb;
6831   int iFlag;
6832   int rc;
6833 
6834   if( objc<2 ){
6835     Tcl_WrongNumArgs(interp, 1, objv, "VERB ARGS...");
6836     return TCL_ERROR;
6837   }
6838 
6839   rc = Tcl_GetIndexFromObjStruct(
6840       interp, objv[1], aVerb, sizeof(aVerb[0]), "VERB", 0, &iVerb
6841   );
6842   if( rc!=TCL_OK ) return rc;
6843 
6844   iFlag = aVerb[iVerb].i;
6845   switch( iFlag ){
6846     case SQLITE_TESTCTRL_INTERNAL_FUNCTIONS:
6847     case SQLITE_TESTCTRL_LOCALTIME_FAULT: {
6848       int val;
6849       if( objc!=3 ){
6850         Tcl_WrongNumArgs(interp, 2, objv, "ONOFF");
6851         return TCL_ERROR;
6852       }
6853       if( Tcl_GetBooleanFromObj(interp, objv[2], &val) ) return TCL_ERROR;
6854       sqlite3_test_control(iFlag, val);
6855       break;
6856     }
6857 
6858     case SQLITE_TESTCTRL_SORTER_MMAP: {
6859       int val;
6860       sqlite3 *db;
6861       if( objc!=4 ){
6862         Tcl_WrongNumArgs(interp, 2, objv, "DB LIMIT");
6863         return TCL_ERROR;
6864       }
6865       if( getDbPointer(interp, Tcl_GetString(objv[2]), &db) ) return TCL_ERROR;
6866       if( Tcl_GetIntFromObj(interp, objv[3], &val) ) return TCL_ERROR;
6867       sqlite3_test_control(SQLITE_TESTCTRL_SORTER_MMAP, db, val);
6868       break;
6869     }
6870 
6871     case SQLITE_TESTCTRL_IMPOSTER: {
6872       int onOff, tnum;
6873       const char *zDbName;
6874       sqlite3 *db;
6875       if( objc!=6 ){
6876         Tcl_WrongNumArgs(interp, 2, objv, "DB dbName onOff tnum");
6877         return TCL_ERROR;
6878       }
6879       if( getDbPointer(interp, Tcl_GetString(objv[2]), &db) ) return TCL_ERROR;
6880       zDbName = Tcl_GetString(objv[3]);
6881       if( Tcl_GetIntFromObj(interp, objv[4], &onOff) ) return TCL_ERROR;
6882       if( Tcl_GetIntFromObj(interp, objv[5], &tnum) ) return TCL_ERROR;
6883       sqlite3_test_control(SQLITE_TESTCTRL_IMPOSTER, db, zDbName, onOff, tnum);
6884       break;
6885     }
6886   }
6887 
6888   Tcl_ResetResult(interp);
6889   return TCL_OK;
6890 }
6891 
6892 #if SQLITE_OS_UNIX
6893 #include <sys/time.h>
6894 #include <sys/resource.h>
6895 
6896 static int SQLITE_TCLAPI test_getrusage(
6897   void * clientData,
6898   Tcl_Interp *interp,
6899   int objc,
6900   Tcl_Obj *CONST objv[]
6901 ){
6902   char buf[1024];
6903   struct rusage r;
6904   memset(&r, 0, sizeof(r));
6905   getrusage(RUSAGE_SELF, &r);
6906 
6907   sqlite3_snprintf(sizeof(buf), buf,
6908     "ru_utime=%d.%06d ru_stime=%d.%06d ru_minflt=%d ru_majflt=%d",
6909     (int)r.ru_utime.tv_sec, (int)r.ru_utime.tv_usec,
6910     (int)r.ru_stime.tv_sec, (int)r.ru_stime.tv_usec,
6911     (int)r.ru_minflt, (int)r.ru_majflt
6912   );
6913   Tcl_SetObjResult(interp, Tcl_NewStringObj(buf, -1));
6914   return TCL_OK;
6915 }
6916 #endif
6917 
6918 #if SQLITE_OS_WIN
6919 /*
6920 ** Information passed from the main thread into the windows file locker
6921 ** background thread.
6922 */
6923 struct win32FileLocker {
6924   char *evName;       /* Name of event to signal thread startup */
6925   HANDLE h;           /* Handle of the file to be locked */
6926   int delay1;         /* Delay before locking */
6927   int delay2;         /* Delay before unlocking */
6928   int ok;             /* Finished ok */
6929   int err;            /* True if an error occurs */
6930 };
6931 #endif
6932 
6933 
6934 #if SQLITE_OS_WIN
6935 #include <process.h>
6936 /*
6937 ** The background thread that does file locking.
6938 */
6939 static void SQLITE_CDECL win32_file_locker(void *pAppData){
6940   struct win32FileLocker *p = (struct win32FileLocker*)pAppData;
6941   if( p->evName ){
6942     HANDLE ev = OpenEvent(EVENT_MODIFY_STATE, FALSE, p->evName);
6943     if ( ev ){
6944       SetEvent(ev);
6945       CloseHandle(ev);
6946     }
6947   }
6948   if( p->delay1 ) Sleep(p->delay1);
6949   if( LockFile(p->h, 0, 0, 100000000, 0) ){
6950     Sleep(p->delay2);
6951     UnlockFile(p->h, 0, 0, 100000000, 0);
6952     p->ok = 1;
6953   }else{
6954     p->err = 1;
6955   }
6956   CloseHandle(p->h);
6957   p->h = 0;
6958   p->delay1 = 0;
6959   p->delay2 = 0;
6960 }
6961 #endif
6962 
6963 #if SQLITE_OS_WIN
6964 /*
6965 **      lock_win32_file FILENAME DELAY1 DELAY2
6966 **
6967 ** Get an exclusive manditory lock on file for DELAY2 milliseconds.
6968 ** Wait DELAY1 milliseconds before acquiring the lock.
6969 */
6970 static int SQLITE_TCLAPI win32_file_lock(
6971   void * clientData,
6972   Tcl_Interp *interp,
6973   int objc,
6974   Tcl_Obj *CONST objv[]
6975 ){
6976   static struct win32FileLocker x = { "win32_file_lock", 0, 0, 0, 0, 0 };
6977   const char *zFilename;
6978   char zBuf[200];
6979   int retry = 0;
6980   HANDLE ev;
6981   DWORD wResult;
6982 
6983   if( objc!=4 && objc!=1 ){
6984     Tcl_WrongNumArgs(interp, 1, objv, "FILENAME DELAY1 DELAY2");
6985     return TCL_ERROR;
6986   }
6987   if( objc==1 ){
6988     sqlite3_snprintf(sizeof(zBuf), zBuf, "%d %d %d %d %d",
6989                      x.ok, x.err, x.delay1, x.delay2, x.h);
6990     Tcl_AppendResult(interp, zBuf, (char*)0);
6991     return TCL_OK;
6992   }
6993   while( x.h && retry<30 ){
6994     retry++;
6995     Sleep(100);
6996   }
6997   if( x.h ){
6998     Tcl_AppendResult(interp, "busy", (char*)0);
6999     return TCL_ERROR;
7000   }
7001   if( Tcl_GetIntFromObj(interp, objv[2], &x.delay1) ) return TCL_ERROR;
7002   if( Tcl_GetIntFromObj(interp, objv[3], &x.delay2) ) return TCL_ERROR;
7003   zFilename = Tcl_GetString(objv[1]);
7004   x.h = CreateFile(zFilename, GENERIC_READ|GENERIC_WRITE,
7005               FILE_SHARE_READ|FILE_SHARE_WRITE, 0, OPEN_ALWAYS,
7006               FILE_ATTRIBUTE_NORMAL, 0);
7007   if( !x.h ){
7008     Tcl_AppendResult(interp, "cannot open file: ", zFilename, (char*)0);
7009     return TCL_ERROR;
7010   }
7011   ev = CreateEvent(NULL, TRUE, FALSE, x.evName);
7012   if ( !ev ){
7013     Tcl_AppendResult(interp, "cannot create event: ", x.evName, (char*)0);
7014     return TCL_ERROR;
7015   }
7016   _beginthread(win32_file_locker, 0, (void*)&x);
7017   Sleep(0);
7018   if ( (wResult = WaitForSingleObject(ev, 10000))!=WAIT_OBJECT_0 ){
7019     sqlite3_snprintf(sizeof(zBuf), zBuf, "0x%x", wResult);
7020     Tcl_AppendResult(interp, "wait failed: ", zBuf, (char*)0);
7021     CloseHandle(ev);
7022     return TCL_ERROR;
7023   }
7024   CloseHandle(ev);
7025   return TCL_OK;
7026 }
7027 
7028 /*
7029 **      exists_win32_path PATH
7030 **
7031 ** Returns non-zero if the specified path exists, whose fully qualified name
7032 ** may exceed 260 characters if it is prefixed with "\\?\".
7033 */
7034 static int SQLITE_TCLAPI win32_exists_path(
7035   void *clientData,
7036   Tcl_Interp *interp,
7037   int objc,
7038   Tcl_Obj *CONST objv[]
7039 ){
7040   if( objc!=2 ){
7041     Tcl_WrongNumArgs(interp, 1, objv, "PATH");
7042     return TCL_ERROR;
7043   }
7044   Tcl_SetObjResult(interp, Tcl_NewBooleanObj(
7045       GetFileAttributesW( Tcl_GetUnicode(objv[1]))!=INVALID_FILE_ATTRIBUTES ));
7046   return TCL_OK;
7047 }
7048 
7049 /*
7050 **      find_win32_file PATTERN
7051 **
7052 ** Returns a list of entries in a directory that match the specified pattern,
7053 ** whose fully qualified name may exceed 248 characters if it is prefixed with
7054 ** "\\?\".
7055 */
7056 static int SQLITE_TCLAPI win32_find_file(
7057   void *clientData,
7058   Tcl_Interp *interp,
7059   int objc,
7060   Tcl_Obj *CONST objv[]
7061 ){
7062   HANDLE hFindFile = INVALID_HANDLE_VALUE;
7063   WIN32_FIND_DATAW findData;
7064   Tcl_Obj *listObj;
7065   DWORD lastErrno;
7066   if( objc!=2 ){
7067     Tcl_WrongNumArgs(interp, 1, objv, "PATTERN");
7068     return TCL_ERROR;
7069   }
7070   hFindFile = FindFirstFileW(Tcl_GetUnicode(objv[1]), &findData);
7071   if( hFindFile==INVALID_HANDLE_VALUE ){
7072     Tcl_SetObjResult(interp, Tcl_NewWideIntObj(GetLastError()));
7073     return TCL_ERROR;
7074   }
7075   listObj = Tcl_NewObj();
7076   Tcl_IncrRefCount(listObj);
7077   do {
7078     Tcl_ListObjAppendElement(interp, listObj, Tcl_NewUnicodeObj(
7079         findData.cFileName, -1));
7080     Tcl_ListObjAppendElement(interp, listObj, Tcl_NewWideIntObj(
7081         findData.dwFileAttributes));
7082   } while( FindNextFileW(hFindFile, &findData) );
7083   lastErrno = GetLastError();
7084   if( lastErrno!=NO_ERROR && lastErrno!=ERROR_NO_MORE_FILES ){
7085     FindClose(hFindFile);
7086     Tcl_DecrRefCount(listObj);
7087     Tcl_SetObjResult(interp, Tcl_NewWideIntObj(GetLastError()));
7088     return TCL_ERROR;
7089   }
7090   FindClose(hFindFile);
7091   Tcl_SetObjResult(interp, listObj);
7092   return TCL_OK;
7093 }
7094 
7095 /*
7096 **      delete_win32_file FILENAME
7097 **
7098 ** Deletes the specified file, whose fully qualified name may exceed 260
7099 ** characters if it is prefixed with "\\?\".
7100 */
7101 static int SQLITE_TCLAPI win32_delete_file(
7102   void *clientData,
7103   Tcl_Interp *interp,
7104   int objc,
7105   Tcl_Obj *CONST objv[]
7106 ){
7107   if( objc!=2 ){
7108     Tcl_WrongNumArgs(interp, 1, objv, "FILENAME");
7109     return TCL_ERROR;
7110   }
7111   if( !DeleteFileW(Tcl_GetUnicode(objv[1])) ){
7112     Tcl_SetObjResult(interp, Tcl_NewWideIntObj(GetLastError()));
7113     return TCL_ERROR;
7114   }
7115   Tcl_ResetResult(interp);
7116   return TCL_OK;
7117 }
7118 
7119 /*
7120 **      make_win32_dir DIRECTORY
7121 **
7122 ** Creates the specified directory, whose fully qualified name may exceed 248
7123 ** characters if it is prefixed with "\\?\".
7124 */
7125 static int SQLITE_TCLAPI win32_mkdir(
7126   void *clientData,
7127   Tcl_Interp *interp,
7128   int objc,
7129   Tcl_Obj *CONST objv[]
7130 ){
7131   if( objc!=2 ){
7132     Tcl_WrongNumArgs(interp, 1, objv, "DIRECTORY");
7133     return TCL_ERROR;
7134   }
7135   if( !CreateDirectoryW(Tcl_GetUnicode(objv[1]), NULL) ){
7136     Tcl_SetObjResult(interp, Tcl_NewWideIntObj(GetLastError()));
7137     return TCL_ERROR;
7138   }
7139   Tcl_ResetResult(interp);
7140   return TCL_OK;
7141 }
7142 
7143 /*
7144 **      remove_win32_dir DIRECTORY
7145 **
7146 ** Removes the specified directory, whose fully qualified name may exceed 248
7147 ** characters if it is prefixed with "\\?\".
7148 */
7149 static int SQLITE_TCLAPI win32_rmdir(
7150   void *clientData,
7151   Tcl_Interp *interp,
7152   int objc,
7153   Tcl_Obj *CONST objv[]
7154 ){
7155   if( objc!=2 ){
7156     Tcl_WrongNumArgs(interp, 1, objv, "DIRECTORY");
7157     return TCL_ERROR;
7158   }
7159   if( !RemoveDirectoryW(Tcl_GetUnicode(objv[1])) ){
7160     Tcl_SetObjResult(interp, Tcl_NewWideIntObj(GetLastError()));
7161     return TCL_ERROR;
7162   }
7163   Tcl_ResetResult(interp);
7164   return TCL_OK;
7165 }
7166 #endif
7167 
7168 
7169 /*
7170 **      optimization_control DB OPT BOOLEAN
7171 **
7172 ** Enable or disable query optimizations using the sqlite3_test_control()
7173 ** interface.  Disable if BOOLEAN is false and enable if BOOLEAN is true.
7174 ** OPT is the name of the optimization to be disabled.
7175 */
7176 static int SQLITE_TCLAPI optimization_control(
7177   void * clientData,
7178   Tcl_Interp *interp,
7179   int objc,
7180   Tcl_Obj *CONST objv[]
7181 ){
7182   int i;
7183   sqlite3 *db;
7184   const char *zOpt;
7185   int onoff;
7186   int mask = 0;
7187   static const struct {
7188     const char *zOptName;
7189     int mask;
7190   } aOpt[] = {
7191     { "all",                 SQLITE_AllOpts        },
7192     { "none",                0                     },
7193     { "query-flattener",     SQLITE_QueryFlattener },
7194     { "groupby-order",       SQLITE_GroupByOrder   },
7195     { "factor-constants",    SQLITE_FactorOutConst },
7196     { "distinct-opt",        SQLITE_DistinctOpt    },
7197     { "cover-idx-scan",      SQLITE_CoverIdxScan   },
7198     { "order-by-idx-join",   SQLITE_OrderByIdxJoin },
7199     { "transitive",          SQLITE_Transitive     },
7200     { "omit-noop-join",      SQLITE_OmitNoopJoin   },
7201     { "stat4",               SQLITE_Stat4          },
7202     { "skip-scan",           SQLITE_SkipScan       },
7203   };
7204 
7205   if( objc!=4 ){
7206     Tcl_WrongNumArgs(interp, 1, objv, "DB OPT BOOLEAN");
7207     return TCL_ERROR;
7208   }
7209   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
7210   if( Tcl_GetBooleanFromObj(interp, objv[3], &onoff) ) return TCL_ERROR;
7211   zOpt = Tcl_GetString(objv[2]);
7212   for(i=0; i<sizeof(aOpt)/sizeof(aOpt[0]); i++){
7213     if( strcmp(zOpt, aOpt[i].zOptName)==0 ){
7214       mask = aOpt[i].mask;
7215       break;
7216     }
7217   }
7218   if( onoff ) mask = ~mask;
7219   if( i>=sizeof(aOpt)/sizeof(aOpt[0]) ){
7220     Tcl_AppendResult(interp, "unknown optimization - should be one of:",
7221                      (char*)0);
7222     for(i=0; i<sizeof(aOpt)/sizeof(aOpt[0]); i++){
7223       Tcl_AppendResult(interp, " ", aOpt[i].zOptName, (char*)0);
7224     }
7225     return TCL_ERROR;
7226   }
7227   sqlite3_test_control(SQLITE_TESTCTRL_OPTIMIZATIONS, db, mask);
7228   return TCL_OK;
7229 }
7230 
7231 /*
7232 **     load_static_extension DB NAME ...
7233 **
7234 ** Load one or more statically linked extensions.
7235 */
7236 static int SQLITE_TCLAPI tclLoadStaticExtensionCmd(
7237   void * clientData,
7238   Tcl_Interp *interp,
7239   int objc,
7240   Tcl_Obj *CONST objv[]
7241 ){
7242   extern int sqlite3_amatch_init(sqlite3*,char**,const sqlite3_api_routines*);
7243   extern int sqlite3_carray_init(sqlite3*,char**,const sqlite3_api_routines*);
7244   extern int sqlite3_closure_init(sqlite3*,char**,const sqlite3_api_routines*);
7245   extern int sqlite3_csv_init(sqlite3*,char**,const sqlite3_api_routines*);
7246   extern int sqlite3_eval_init(sqlite3*,char**,const sqlite3_api_routines*);
7247   extern int sqlite3_explain_init(sqlite3*,char**,const sqlite3_api_routines*);
7248   extern int sqlite3_fileio_init(sqlite3*,char**,const sqlite3_api_routines*);
7249   extern int sqlite3_fuzzer_init(sqlite3*,char**,const sqlite3_api_routines*);
7250   extern int sqlite3_ieee_init(sqlite3*,char**,const sqlite3_api_routines*);
7251   extern int sqlite3_nextchar_init(sqlite3*,char**,const sqlite3_api_routines*);
7252   extern int sqlite3_percentile_init(sqlite3*,char**,const sqlite3_api_routines*);
7253 #ifndef SQLITE_OMIT_VIRTUALTABLE
7254   extern int sqlite3_prefixes_init(sqlite3*,char**,const sqlite3_api_routines*);
7255 #endif
7256   extern int sqlite3_regexp_init(sqlite3*,char**,const sqlite3_api_routines*);
7257   extern int sqlite3_remember_init(sqlite3*,char**,const sqlite3_api_routines*);
7258   extern int sqlite3_series_init(sqlite3*,char**,const sqlite3_api_routines*);
7259   extern int sqlite3_spellfix_init(sqlite3*,char**,const sqlite3_api_routines*);
7260   extern int sqlite3_totype_init(sqlite3*,char**,const sqlite3_api_routines*);
7261   extern int sqlite3_wholenumber_init(sqlite3*,char**,const sqlite3_api_routines*);
7262   extern int sqlite3_unionvtab_init(sqlite3*,char**,const sqlite3_api_routines*);
7263 #ifdef SQLITE_HAVE_ZLIB
7264   extern int sqlite3_zipfile_init(sqlite3*,char**,const sqlite3_api_routines*);
7265 #endif
7266   static const struct {
7267     const char *zExtName;
7268     int (*pInit)(sqlite3*,char**,const sqlite3_api_routines*);
7269   } aExtension[] = {
7270     { "amatch",                sqlite3_amatch_init               },
7271     { "carray",                sqlite3_carray_init               },
7272     { "closure",               sqlite3_closure_init              },
7273     { "csv",                   sqlite3_csv_init                  },
7274     { "eval",                  sqlite3_eval_init                 },
7275     { "explain",               sqlite3_explain_init              },
7276     { "fileio",                sqlite3_fileio_init               },
7277     { "fuzzer",                sqlite3_fuzzer_init               },
7278     { "ieee754",               sqlite3_ieee_init                 },
7279     { "nextchar",              sqlite3_nextchar_init             },
7280     { "percentile",            sqlite3_percentile_init           },
7281 #ifndef SQLITE_OMIT_VIRTUALTABLE
7282     { "prefixes",              sqlite3_prefixes_init             },
7283 #endif
7284     { "regexp",                sqlite3_regexp_init               },
7285     { "remember",              sqlite3_remember_init             },
7286     { "series",                sqlite3_series_init               },
7287     { "spellfix",              sqlite3_spellfix_init             },
7288     { "totype",                sqlite3_totype_init               },
7289     { "unionvtab",             sqlite3_unionvtab_init            },
7290     { "wholenumber",           sqlite3_wholenumber_init          },
7291 #ifdef SQLITE_HAVE_ZLIB
7292     { "zipfile",               sqlite3_zipfile_init              },
7293 #endif
7294   };
7295   sqlite3 *db;
7296   const char *zName;
7297   int i, j, rc;
7298   char *zErrMsg = 0;
7299   if( objc<3 ){
7300     Tcl_WrongNumArgs(interp, 1, objv, "DB NAME ...");
7301     return TCL_ERROR;
7302   }
7303   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
7304   for(j=2; j<objc; j++){
7305     zName = Tcl_GetString(objv[j]);
7306     for(i=0; i<ArraySize(aExtension); i++){
7307       if( strcmp(zName, aExtension[i].zExtName)==0 ) break;
7308     }
7309     if( i>=ArraySize(aExtension) ){
7310       Tcl_AppendResult(interp, "no such extension: ", zName, (char*)0);
7311       return TCL_ERROR;
7312     }
7313     if( aExtension[i].pInit ){
7314       rc = aExtension[i].pInit(db, &zErrMsg, 0);
7315     }else{
7316       rc = SQLITE_OK;
7317     }
7318     if( rc!=SQLITE_OK || zErrMsg ){
7319       Tcl_AppendResult(interp, "initialization of ", zName, " failed: ", zErrMsg,
7320                        (char*)0);
7321       sqlite3_free(zErrMsg);
7322       return TCL_ERROR;
7323     }
7324   }
7325   return TCL_OK;
7326 }
7327 
7328 /*
7329 **     sorter_test_fakeheap BOOL
7330 **
7331 */
7332 static int SQLITE_TCLAPI sorter_test_fakeheap(
7333   void * clientData,
7334   Tcl_Interp *interp,
7335   int objc,
7336   Tcl_Obj *CONST objv[]
7337 ){
7338   int bArg;
7339   if( objc!=2 ){
7340     Tcl_WrongNumArgs(interp, 1, objv, "BOOL");
7341     return TCL_ERROR;
7342   }
7343 
7344   if( Tcl_GetBooleanFromObj(interp, objv[1], &bArg) ){
7345     return TCL_ERROR;
7346   }
7347 
7348   if( bArg ){
7349     if( sqlite3GlobalConfig.pHeap==0 ){
7350       sqlite3GlobalConfig.pHeap = SQLITE_INT_TO_PTR(-1);
7351     }
7352   }else{
7353     if( sqlite3GlobalConfig.pHeap==SQLITE_INT_TO_PTR(-1) ){
7354       sqlite3GlobalConfig.pHeap = 0;
7355     }
7356   }
7357 
7358   Tcl_ResetResult(interp);
7359   return TCL_OK;
7360 }
7361 
7362 /*
7363 **     sorter_test_sort4_helper DB SQL1 NSTEP SQL2
7364 **
7365 ** Compile SQL statement $SQL1 and step it $NSTEP times. For each row,
7366 ** check that the leftmost and rightmost columns returned are both integers,
7367 ** and that both contain the same value.
7368 **
7369 ** Then execute statement $SQL2. Check that the statement returns the same
7370 ** set of integers in the same order as in the previous step (using $SQL1).
7371 */
7372 static int SQLITE_TCLAPI sorter_test_sort4_helper(
7373   void * clientData,
7374   Tcl_Interp *interp,
7375   int objc,
7376   Tcl_Obj *CONST objv[]
7377 ){
7378   const char *zSql1;
7379   const char *zSql2;
7380   int nStep;
7381   int iStep;
7382   unsigned int iCksum1 = 0;
7383   unsigned int iCksum2 = 0;
7384   int rc;
7385   int iB;
7386   sqlite3 *db;
7387   sqlite3_stmt *pStmt;
7388 
7389   if( objc!=5 ){
7390     Tcl_WrongNumArgs(interp, 1, objv, "DB SQL1 NSTEP SQL2");
7391     return TCL_ERROR;
7392   }
7393 
7394   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
7395   zSql1 = Tcl_GetString(objv[2]);
7396   if( Tcl_GetIntFromObj(interp, objv[3], &nStep) ) return TCL_ERROR;
7397   zSql2 = Tcl_GetString(objv[4]);
7398 
7399   rc = sqlite3_prepare_v2(db, zSql1, -1, &pStmt, 0);
7400   if( rc!=SQLITE_OK ) goto sql_error;
7401 
7402   iB = sqlite3_column_count(pStmt)-1;
7403   for(iStep=0; iStep<nStep && SQLITE_ROW==sqlite3_step(pStmt); iStep++){
7404     int a = sqlite3_column_int(pStmt, 0);
7405     if( a!=sqlite3_column_int(pStmt, iB) ){
7406       Tcl_AppendResult(interp, "data error: (a!=b)", 0);
7407       return TCL_ERROR;
7408     }
7409 
7410     iCksum1 += (iCksum1 << 3) + (unsigned int)a;
7411   }
7412   rc = sqlite3_finalize(pStmt);
7413   if( rc!=SQLITE_OK ) goto sql_error;
7414 
7415   rc = sqlite3_prepare_v2(db, zSql2, -1, &pStmt, 0);
7416   if( rc!=SQLITE_OK ) goto sql_error;
7417   for(iStep=0; SQLITE_ROW==sqlite3_step(pStmt); iStep++){
7418     int a = sqlite3_column_int(pStmt, 0);
7419     iCksum2 += (iCksum2 << 3) + (unsigned int)a;
7420   }
7421   rc = sqlite3_finalize(pStmt);
7422   if( rc!=SQLITE_OK ) goto sql_error;
7423 
7424   if( iCksum1!=iCksum2 ){
7425     Tcl_AppendResult(interp, "checksum mismatch", 0);
7426     return TCL_ERROR;
7427   }
7428 
7429   return TCL_OK;
7430  sql_error:
7431   Tcl_AppendResult(interp, "sql error: ", sqlite3_errmsg(db), 0);
7432   return TCL_ERROR;
7433 }
7434 
7435 
7436 #ifdef SQLITE_USER_AUTHENTICATION
7437 #include "sqlite3userauth.h"
7438 /*
7439 ** tclcmd:  sqlite3_user_authenticate DB USERNAME PASSWORD
7440 */
7441 static int SQLITE_TCLAPI test_user_authenticate(
7442   ClientData clientData, /* Unused */
7443   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
7444   int objc,              /* Number of arguments */
7445   Tcl_Obj *CONST objv[]  /* Command arguments */
7446 ){
7447   char *zUser = 0;
7448   char *zPasswd = 0;
7449   int nPasswd = 0;
7450   sqlite3 *db;
7451   int rc;
7452 
7453   if( objc!=4 ){
7454     Tcl_WrongNumArgs(interp, 1, objv, "DB USERNAME PASSWORD");
7455     return TCL_ERROR;
7456   }
7457   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ){
7458     return TCL_ERROR;
7459   }
7460   zUser = Tcl_GetString(objv[2]);
7461   zPasswd = Tcl_GetStringFromObj(objv[3], &nPasswd);
7462   rc = sqlite3_user_authenticate(db, zUser, zPasswd, nPasswd);
7463   Tcl_SetResult(interp, (char *)t1ErrorName(rc), TCL_STATIC);
7464   return TCL_OK;
7465 }
7466 #endif /* SQLITE_USER_AUTHENTICATION */
7467 
7468 #ifdef SQLITE_USER_AUTHENTICATION
7469 /*
7470 ** tclcmd:  sqlite3_user_add DB USERNAME PASSWORD ISADMIN
7471 */
7472 static int SQLITE_TCLAPI test_user_add(
7473   ClientData clientData, /* Unused */
7474   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
7475   int objc,              /* Number of arguments */
7476   Tcl_Obj *CONST objv[]  /* Command arguments */
7477 ){
7478   char *zUser = 0;
7479   char *zPasswd = 0;
7480   int nPasswd = 0;
7481   int isAdmin = 0;
7482   sqlite3 *db;
7483   int rc;
7484 
7485   if( objc!=5 ){
7486     Tcl_WrongNumArgs(interp, 1, objv, "DB USERNAME PASSWORD ISADMIN");
7487     return TCL_ERROR;
7488   }
7489   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ){
7490     return TCL_ERROR;
7491   }
7492   zUser = Tcl_GetString(objv[2]);
7493   zPasswd = Tcl_GetStringFromObj(objv[3], &nPasswd);
7494   Tcl_GetBooleanFromObj(interp, objv[4], &isAdmin);
7495   rc = sqlite3_user_add(db, zUser, zPasswd, nPasswd, isAdmin);
7496   Tcl_SetResult(interp, (char *)t1ErrorName(rc), TCL_STATIC);
7497   return TCL_OK;
7498 }
7499 #endif /* SQLITE_USER_AUTHENTICATION */
7500 
7501 #ifdef SQLITE_USER_AUTHENTICATION
7502 /*
7503 ** tclcmd:  sqlite3_user_change DB USERNAME PASSWORD ISADMIN
7504 */
7505 static int SQLITE_TCLAPI test_user_change(
7506   ClientData clientData, /* Unused */
7507   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
7508   int objc,              /* Number of arguments */
7509   Tcl_Obj *CONST objv[]  /* Command arguments */
7510 ){
7511   char *zUser = 0;
7512   char *zPasswd = 0;
7513   int nPasswd = 0;
7514   int isAdmin = 0;
7515   sqlite3 *db;
7516   int rc;
7517 
7518   if( objc!=5 ){
7519     Tcl_WrongNumArgs(interp, 1, objv, "DB USERNAME PASSWORD ISADMIN");
7520     return TCL_ERROR;
7521   }
7522   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ){
7523     return TCL_ERROR;
7524   }
7525   zUser = Tcl_GetString(objv[2]);
7526   zPasswd = Tcl_GetStringFromObj(objv[3], &nPasswd);
7527   Tcl_GetBooleanFromObj(interp, objv[4], &isAdmin);
7528   rc = sqlite3_user_change(db, zUser, zPasswd, nPasswd, isAdmin);
7529   Tcl_SetResult(interp, (char *)t1ErrorName(rc), TCL_STATIC);
7530   return TCL_OK;
7531 }
7532 #endif /* SQLITE_USER_AUTHENTICATION */
7533 
7534 #ifdef SQLITE_USER_AUTHENTICATION
7535 /*
7536 ** tclcmd:  sqlite3_user_delete DB USERNAME
7537 */
7538 static int SQLITE_TCLAPI test_user_delete(
7539   ClientData clientData, /* Unused */
7540   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
7541   int objc,              /* Number of arguments */
7542   Tcl_Obj *CONST objv[]  /* Command arguments */
7543 ){
7544   char *zUser = 0;
7545   sqlite3 *db;
7546   int rc;
7547 
7548   if( objc!=3 ){
7549     Tcl_WrongNumArgs(interp, 1, objv, "DB USERNAME");
7550     return TCL_ERROR;
7551   }
7552   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ){
7553     return TCL_ERROR;
7554   }
7555   zUser = Tcl_GetString(objv[2]);
7556   rc = sqlite3_user_delete(db, zUser);
7557   Tcl_SetResult(interp, (char *)t1ErrorName(rc), TCL_STATIC);
7558   return TCL_OK;
7559 }
7560 #endif /* SQLITE_USER_AUTHENTICATION */
7561 
7562 /*
7563 ** tclcmd: bad_behavior TYPE
7564 **
7565 ** Do some things that should trigger a valgrind or -fsanitize=undefined
7566 ** warning.  This is used to verify that errors and warnings output by those
7567 ** tools are detected by the test scripts.
7568 **
7569 **       TYPE       BEHAVIOR
7570 **       1          Overflow a signed integer
7571 **       2          Jump based on an uninitialized variable
7572 **       3          Read after free
7573 **       4          Panic
7574 */
7575 static int SQLITE_TCLAPI test_bad_behavior(
7576   ClientData clientData, /* Pointer to an integer containing zero */
7577   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
7578   int objc,              /* Number of arguments */
7579   Tcl_Obj *CONST objv[]  /* Command arguments */
7580 ){
7581   int iType;
7582   int xyz;
7583   int i = *(int*)clientData;
7584   int j;
7585   int w[10];
7586   int *a;
7587   if( objc!=2 ){
7588     Tcl_WrongNumArgs(interp, 1, objv, "TYPE");
7589     return TCL_ERROR;
7590   }
7591   if( Tcl_GetIntFromObj(interp, objv[1], &iType) ) return TCL_ERROR;
7592   switch( iType ){
7593     case 1: {
7594       xyz = 0x7fffff00 - i;
7595       xyz += 0x100;
7596       Tcl_SetObjResult(interp, Tcl_NewIntObj(xyz));
7597       break;
7598     }
7599     case 2: {
7600       w[1] = 5;
7601       if( w[i]>0 ) w[1]++;
7602       Tcl_SetObjResult(interp, Tcl_NewIntObj(w[1]));
7603       break;
7604     }
7605     case 3: {
7606       a = malloc( sizeof(int)*10 );
7607       for(j=0; j<10; j++) a[j] = j;
7608       free(a);
7609       Tcl_SetObjResult(interp, Tcl_NewIntObj(a[i]));
7610       break;
7611     }
7612     case 4: {
7613       Tcl_Panic("Deliberate panic");
7614       break;
7615     }
7616   }
7617   return TCL_OK;
7618 }
7619 
7620 /*
7621 ** tclcmd:   register_dbstat_vtab DB
7622 **
7623 ** Cause the dbstat virtual table to be available on the connection DB
7624 */
7625 static int SQLITE_TCLAPI test_register_dbstat_vtab(
7626   void *clientData,
7627   Tcl_Interp *interp,
7628   int objc,
7629   Tcl_Obj *CONST objv[]
7630 ){
7631 #ifdef SQLITE_OMIT_VIRTUALTABLE
7632   Tcl_AppendResult(interp, "dbstat not available because of "
7633                            "SQLITE_OMIT_VIRTUALTABLE", (void*)0);
7634   return TCL_ERROR;
7635 #else
7636   struct SqliteDb { sqlite3 *db; };
7637   char *zDb;
7638   Tcl_CmdInfo cmdInfo;
7639 
7640   if( objc!=2 ){
7641     Tcl_WrongNumArgs(interp, 1, objv, "DB");
7642     return TCL_ERROR;
7643   }
7644 
7645   zDb = Tcl_GetString(objv[1]);
7646   if( Tcl_GetCommandInfo(interp, zDb, &cmdInfo) ){
7647     sqlite3* db = ((struct SqliteDb*)cmdInfo.objClientData)->db;
7648     sqlite3DbstatRegister(db);
7649   }
7650   return TCL_OK;
7651 #endif /* SQLITE_OMIT_VIRTUALTABLE */
7652 }
7653 
7654 /*
7655 ** tclcmd:   sqlite3_db_config DB SETTING VALUE
7656 **
7657 ** Invoke sqlite3_db_config() for one of the setting values.
7658 */
7659 static int SQLITE_TCLAPI test_sqlite3_db_config(
7660   void *clientData,
7661   Tcl_Interp *interp,
7662   int objc,
7663   Tcl_Obj *CONST objv[]
7664 ){
7665   static const struct {
7666     const char *zName;
7667     int eVal;
7668   } aSetting[] = {
7669     { "FKEY",               SQLITE_DBCONFIG_ENABLE_FKEY },
7670     { "TRIGGER",            SQLITE_DBCONFIG_ENABLE_TRIGGER },
7671     { "FTS3_TOKENIZER",     SQLITE_DBCONFIG_ENABLE_FTS3_TOKENIZER },
7672     { "LOAD_EXTENSION",     SQLITE_DBCONFIG_ENABLE_LOAD_EXTENSION },
7673     { "NO_CKPT_ON_CLOSE",   SQLITE_DBCONFIG_NO_CKPT_ON_CLOSE },
7674     { "QPSG",               SQLITE_DBCONFIG_ENABLE_QPSG },
7675     { "TRIGGER_EQP",        SQLITE_DBCONFIG_TRIGGER_EQP },
7676     { "RESET_DB",           SQLITE_DBCONFIG_RESET_DATABASE },
7677     { "DEFENSIVE",          SQLITE_DBCONFIG_DEFENSIVE },
7678     { "WRITABLE_SCHEMA",    SQLITE_DBCONFIG_WRITABLE_SCHEMA },
7679     { "LEGACY_ALTER_TABLE", SQLITE_DBCONFIG_LEGACY_ALTER_TABLE },
7680     { "DQS_DML",            SQLITE_DBCONFIG_DQS_DML },
7681     { "DQS_DDL",            SQLITE_DBCONFIG_DQS_DDL },
7682   };
7683   int i;
7684   int v;
7685   const char *zSetting;
7686   sqlite3 *db;
7687 
7688   if( objc!=4 ){
7689     Tcl_WrongNumArgs(interp, 1, objv, "DB SETTING VALUE");
7690     return TCL_ERROR;
7691   }
7692   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
7693   zSetting = Tcl_GetString(objv[2]);
7694   if( sqlite3_strglob("SQLITE_*", zSetting)==0 ) zSetting += 7;
7695   if( sqlite3_strglob("DBCONFIG_*", zSetting)==0 ) zSetting += 9;
7696   if( sqlite3_strglob("ENABLE_*", zSetting)==0 ) zSetting += 7;
7697   for(i=0; i<ArraySize(aSetting); i++){
7698     if( strcmp(zSetting, aSetting[i].zName)==0 ) break;
7699   }
7700   if( i>=ArraySize(aSetting) ){
7701     Tcl_SetObjResult(interp,
7702       Tcl_NewStringObj("unknown sqlite3_db_config setting", -1));
7703     return TCL_ERROR;
7704   }
7705   if( Tcl_GetIntFromObj(interp, objv[3], &v) ) return TCL_ERROR;
7706   sqlite3_db_config(db, aSetting[i].eVal, v, &v);
7707   Tcl_SetObjResult(interp, Tcl_NewIntObj(v));
7708   return TCL_OK;
7709 }
7710 
7711 /*
7712 ** Change the name of the main database schema from "main" to "icecube".
7713 */
7714 static int SQLITE_TCLAPI test_dbconfig_maindbname_icecube(
7715   void * clientData,
7716   Tcl_Interp *interp,
7717   int objc,
7718   Tcl_Obj *CONST objv[]
7719 ){
7720   int rc;
7721   sqlite3 *db;
7722   extern int getDbPointer(Tcl_Interp*, const char*, sqlite3**);
7723   if( objc!=2 ){
7724     Tcl_WrongNumArgs(interp, 1, objv, "DB");
7725     return TCL_ERROR;
7726   }else{
7727     if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
7728     rc = sqlite3_db_config(db, SQLITE_DBCONFIG_MAINDBNAME, "icecube");
7729     Tcl_SetObjResult(interp, Tcl_NewIntObj(rc));
7730     return TCL_OK;
7731   }
7732 }
7733 
7734 /*
7735 ** Usage: sqlite3_mmap_warm DB DBNAME
7736 */
7737 static int SQLITE_TCLAPI test_mmap_warm(
7738   void * clientData,
7739   Tcl_Interp *interp,
7740   int objc,
7741   Tcl_Obj *CONST objv[]
7742 ){
7743   extern int getDbPointer(Tcl_Interp*, const char*, sqlite3**);
7744   extern int sqlite3_mmap_warm(sqlite3 *db, const char *);
7745 
7746   if( objc!=2 && objc!=3 ){
7747     Tcl_WrongNumArgs(interp, 1, objv, "DB ?DBNAME?");
7748     return TCL_ERROR;
7749   }else{
7750     int rc;
7751     sqlite3 *db;
7752     const char *zDb = 0;
7753     if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
7754     if( objc==3 ){
7755       zDb = Tcl_GetString(objv[2]);
7756     }
7757     rc = sqlite3_mmap_warm(db, zDb);
7758     Tcl_SetObjResult(interp, Tcl_NewStringObj(sqlite3ErrName(rc), -1));
7759     return TCL_OK;
7760   }
7761 }
7762 
7763 /*
7764 ** Usage:  decode_hexdb TEXT
7765 **
7766 ** Example:   db deserialize [decode_hexdb $output_of_dbtotxt]
7767 **
7768 ** This routine returns a byte-array for an SQLite database file that
7769 ** is constructed from a text input which is the output of the "dbtotxt"
7770 ** utility.
7771 */
7772 static int SQLITE_TCLAPI test_decode_hexdb(
7773   void * clientData,
7774   Tcl_Interp *interp,
7775   int objc,
7776   Tcl_Obj *CONST objv[]
7777 ){
7778   const char *zIn = 0;
7779   unsigned char *a = 0;
7780   int n = 0;
7781   int lineno = 0;
7782   int i, iNext;
7783   int iOffset = 0;
7784   int j, k;
7785   int rc;
7786   unsigned int x[16];
7787   if( objc!=2 ){
7788     Tcl_WrongNumArgs(interp, 1, objv, "HEXDB");
7789     return TCL_ERROR;
7790   }
7791   zIn = Tcl_GetString(objv[1]);
7792   for(i=0; zIn[i]; i=iNext){
7793     lineno++;
7794     for(iNext=i; zIn[iNext] && zIn[iNext]!='\n'; iNext++){}
7795     if( zIn[iNext]=='\n' ) iNext++;
7796     while( zIn[i]==' ' || zIn[i]=='\t' ){ i++; }
7797     if( a==0 ){
7798       int pgsz;
7799       rc = sscanf(zIn+i, "| size %d pagesize %d", &n, &pgsz);
7800       if( rc!=2 ) continue;
7801       if( pgsz<512 || pgsz>65536 || (pgsz&(pgsz-1))!=0 ){
7802         Tcl_AppendResult(interp, "bad 'pagesize' field", (void*)0);
7803         return TCL_ERROR;
7804       }
7805       n = (n+pgsz-1)&~(pgsz-1);  /* Round n up to the next multiple of pgsz */
7806       if( n<512 ){
7807         Tcl_AppendResult(interp, "bad 'size' field", (void*)0);
7808         return TCL_ERROR;
7809       }
7810       a = malloc( n );
7811       if( a==0 ){
7812         Tcl_AppendResult(interp, "out of memory", (void*)0);
7813         return TCL_ERROR;
7814       }
7815       memset(a, 0, n);
7816       continue;
7817     }
7818     rc = sscanf(zIn+i, "| page %d offset %d", &j, &k);
7819     if( rc==2 ){
7820       iOffset = k;
7821       continue;
7822     }
7823     rc = sscanf(zIn+i,"| %d: %x %x %x %x %x %x %x %x %x %x %x %x %x %x %x %x",
7824                 &j, &x[0], &x[1], &x[2], &x[3], &x[4], &x[5], &x[6], &x[7],
7825                 &x[8], &x[9], &x[10], &x[11], &x[12], &x[13], &x[14], &x[15]);
7826     if( rc==17 ){
7827       k = iOffset+j;
7828       if( k+16<=n ){
7829         int ii;
7830         for(ii=0; ii<16; ii++) a[k+ii] = x[ii]&0xff;
7831       }
7832       continue;
7833     }
7834   }
7835   Tcl_SetObjResult(interp, Tcl_NewByteArrayObj(a, n));
7836   free(a);
7837   return TCL_OK;
7838 }
7839 
7840 
7841 /*
7842 ** Register commands with the TCL interpreter.
7843 */
7844 int Sqlitetest1_Init(Tcl_Interp *interp){
7845   extern int sqlite3_search_count;
7846   extern int sqlite3_found_count;
7847   extern int sqlite3_interrupt_count;
7848   extern int sqlite3_open_file_count;
7849   extern int sqlite3_sort_count;
7850   extern int sqlite3_current_time;
7851 #if SQLITE_OS_UNIX && defined(__APPLE__) && SQLITE_ENABLE_LOCKING_STYLE
7852   extern int sqlite3_hostid_num;
7853 #endif
7854   extern int sqlite3_max_blobsize;
7855   extern int SQLITE_TCLAPI sqlite3BtreeSharedCacheReport(void*,
7856                                           Tcl_Interp*,int,Tcl_Obj*CONST*);
7857   static int iZero = 0;
7858   static struct {
7859      char *zName;
7860      Tcl_CmdProc *xProc;
7861   } aCmd[] = {
7862      { "db_enter",                      (Tcl_CmdProc*)db_enter               },
7863      { "db_leave",                      (Tcl_CmdProc*)db_leave               },
7864      { "sqlite3_mprintf_int",           (Tcl_CmdProc*)sqlite3_mprintf_int    },
7865      { "sqlite3_mprintf_int64",         (Tcl_CmdProc*)sqlite3_mprintf_int64  },
7866      { "sqlite3_mprintf_long",          (Tcl_CmdProc*)sqlite3_mprintf_long   },
7867      { "sqlite3_mprintf_str",           (Tcl_CmdProc*)sqlite3_mprintf_str    },
7868      { "sqlite3_snprintf_str",          (Tcl_CmdProc*)sqlite3_snprintf_str   },
7869      { "sqlite3_mprintf_stronly",       (Tcl_CmdProc*)sqlite3_mprintf_stronly},
7870      { "sqlite3_mprintf_double",        (Tcl_CmdProc*)sqlite3_mprintf_double },
7871      { "sqlite3_mprintf_scaled",        (Tcl_CmdProc*)sqlite3_mprintf_scaled },
7872      { "sqlite3_mprintf_hexdouble",   (Tcl_CmdProc*)sqlite3_mprintf_hexdouble},
7873      { "sqlite3_mprintf_z_test",        (Tcl_CmdProc*)test_mprintf_z        },
7874      { "sqlite3_mprintf_n_test",        (Tcl_CmdProc*)test_mprintf_n        },
7875      { "sqlite3_snprintf_int",          (Tcl_CmdProc*)test_snprintf_int     },
7876      { "sqlite3_last_insert_rowid",     (Tcl_CmdProc*)test_last_rowid       },
7877      { "sqlite3_exec_printf",           (Tcl_CmdProc*)test_exec_printf      },
7878      { "sqlite3_exec_hex",              (Tcl_CmdProc*)test_exec_hex         },
7879      { "sqlite3_exec",                  (Tcl_CmdProc*)test_exec             },
7880      { "sqlite3_exec_nr",               (Tcl_CmdProc*)test_exec_nr          },
7881 #ifndef SQLITE_OMIT_GET_TABLE
7882      { "sqlite3_get_table_printf",      (Tcl_CmdProc*)test_get_table_printf },
7883 #endif
7884      { "sqlite3_close",                 (Tcl_CmdProc*)sqlite_test_close     },
7885      { "sqlite3_close_v2",              (Tcl_CmdProc*)sqlite_test_close_v2  },
7886      { "sqlite3_create_function",       (Tcl_CmdProc*)test_create_function  },
7887      { "sqlite3_create_aggregate",      (Tcl_CmdProc*)test_create_aggregate },
7888      { "sqlite3_drop_modules",          (Tcl_CmdProc*)test_drop_modules     },
7889      { "sqlite_register_test_function", (Tcl_CmdProc*)test_register_func    },
7890      { "sqlite_abort",                  (Tcl_CmdProc*)sqlite_abort          },
7891      { "sqlite_bind",                   (Tcl_CmdProc*)test_bind             },
7892      { "breakpoint",                    (Tcl_CmdProc*)test_breakpoint       },
7893      { "sqlite3_key",                   (Tcl_CmdProc*)test_key              },
7894      { "sqlite3_rekey",                 (Tcl_CmdProc*)test_rekey            },
7895      { "sqlite_set_magic",              (Tcl_CmdProc*)sqlite_set_magic      },
7896      { "sqlite3_interrupt",             (Tcl_CmdProc*)test_interrupt        },
7897      { "sqlite_delete_function",        (Tcl_CmdProc*)delete_function       },
7898      { "sqlite_delete_collation",       (Tcl_CmdProc*)delete_collation      },
7899      { "sqlite3_get_autocommit",        (Tcl_CmdProc*)get_autocommit        },
7900      { "sqlite3_busy_timeout",          (Tcl_CmdProc*)test_busy_timeout     },
7901      { "printf",                        (Tcl_CmdProc*)test_printf           },
7902      { "sqlite3IoTrace",              (Tcl_CmdProc*)test_io_trace         },
7903      { "clang_sanitize_address",        (Tcl_CmdProc*)clang_sanitize_address },
7904   };
7905   static struct {
7906      char *zName;
7907      Tcl_ObjCmdProc *xProc;
7908      void *clientData;
7909   } aObjCmd[] = {
7910      { "sqlite3_db_config",             test_sqlite3_db_config, 0 },
7911      { "bad_behavior",                  test_bad_behavior,  (void*)&iZero },
7912      { "register_dbstat_vtab",          test_register_dbstat_vtab  },
7913      { "sqlite3_connection_pointer",    get_sqlite_pointer, 0 },
7914      { "intarray_addr",                 test_intarray_addr, 0 },
7915      { "int64array_addr",               test_int64array_addr, 0 },
7916      { "doublearray_addr",              test_doublearray_addr, 0 },
7917      { "textarray_addr",                test_textarray_addr, 0 },
7918      { "sqlite3_bind_int",              test_bind_int,      0 },
7919      { "sqlite3_bind_zeroblob",         test_bind_zeroblob, 0 },
7920      { "sqlite3_bind_zeroblob64",       test_bind_zeroblob64, 0 },
7921      { "sqlite3_bind_int64",            test_bind_int64,    0 },
7922      { "sqlite3_bind_double",           test_bind_double,   0 },
7923      { "sqlite3_bind_null",             test_bind_null     ,0 },
7924      { "sqlite3_bind_text",             test_bind_text     ,0 },
7925      { "sqlite3_bind_text16",           test_bind_text16   ,0 },
7926      { "sqlite3_bind_blob",             test_bind_blob     ,0 },
7927      { "sqlite3_bind_parameter_count",  test_bind_parameter_count, 0},
7928      { "sqlite3_bind_parameter_name",   test_bind_parameter_name,  0},
7929      { "sqlite3_bind_parameter_index",  test_bind_parameter_index, 0},
7930      { "sqlite3_clear_bindings",        test_clear_bindings, 0},
7931      { "sqlite3_sleep",                 test_sleep,          0},
7932      { "sqlite3_errcode",               test_errcode       ,0 },
7933      { "sqlite3_extended_errcode",      test_ex_errcode    ,0 },
7934      { "sqlite3_errmsg",                test_errmsg        ,0 },
7935      { "sqlite3_errmsg16",              test_errmsg16      ,0 },
7936      { "sqlite3_open",                  test_open          ,0 },
7937      { "sqlite3_open16",                test_open16        ,0 },
7938      { "sqlite3_open_v2",               test_open_v2       ,0 },
7939      { "sqlite3_complete16",            test_complete16    ,0 },
7940      { "sqlite3_normalize",             test_normalize     ,0 },
7941 
7942      { "sqlite3_prepare",               test_prepare       ,0 },
7943      { "sqlite3_prepare16",             test_prepare16     ,0 },
7944      { "sqlite3_prepare_v2",            test_prepare_v2    ,0 },
7945      { "sqlite3_prepare_v3",            test_prepare_v3    ,0 },
7946      { "sqlite3_prepare_tkt3134",       test_prepare_tkt3134, 0},
7947      { "sqlite3_prepare16_v2",          test_prepare16_v2  ,0 },
7948      { "sqlite3_finalize",              test_finalize      ,0 },
7949      { "sqlite3_stmt_status",           test_stmt_status   ,0 },
7950      { "sqlite3_reset",                 test_reset         ,0 },
7951      { "sqlite3_expired",               test_expired       ,0 },
7952      { "sqlite3_transfer_bindings",     test_transfer_bind ,0 },
7953      { "sqlite3_changes",               test_changes       ,0 },
7954      { "sqlite3_step",                  test_step          ,0 },
7955      { "sqlite3_sql",                   test_sql           ,0 },
7956      { "sqlite3_expanded_sql",          test_ex_sql        ,0 },
7957 #ifdef SQLITE_ENABLE_NORMALIZE
7958      { "sqlite3_normalized_sql",        test_norm_sql      ,0 },
7959 #endif
7960      { "sqlite3_next_stmt",             test_next_stmt     ,0 },
7961      { "sqlite3_stmt_readonly",         test_stmt_readonly ,0 },
7962      { "sqlite3_stmt_isexplain",        test_stmt_isexplain,0 },
7963      { "sqlite3_stmt_busy",             test_stmt_busy     ,0 },
7964      { "uses_stmt_journal",             uses_stmt_journal ,0 },
7965 
7966      { "sqlite3_release_memory",        test_release_memory,     0},
7967      { "sqlite3_db_release_memory",     test_db_release_memory,  0},
7968      { "sqlite3_db_cacheflush",         test_db_cacheflush,      0},
7969      { "sqlite3_system_errno",          test_system_errno,       0},
7970      { "sqlite3_db_filename",           test_db_filename,        0},
7971      { "sqlite3_db_readonly",           test_db_readonly,        0},
7972      { "sqlite3_soft_heap_limit",       test_soft_heap_limit,    0},
7973      { "sqlite3_thread_cleanup",        test_thread_cleanup,     0},
7974      { "sqlite3_pager_refcounts",       test_pager_refcounts,    0},
7975 
7976      { "sqlite3_load_extension",        test_load_extension,     0},
7977      { "sqlite3_enable_load_extension", test_enable_load,        0},
7978      { "sqlite3_extended_result_codes", test_extended_result_codes, 0},
7979      { "sqlite3_limit",                 test_limit,                 0},
7980      { "dbconfig_maindbname_icecube",   test_dbconfig_maindbname_icecube },
7981 
7982      { "save_prng_state",               save_prng_state,    0 },
7983      { "restore_prng_state",            restore_prng_state, 0 },
7984      { "reset_prng_state",              reset_prng_state,   0 },
7985      { "prng_seed",                     prng_seed,          0 },
7986      { "database_never_corrupt",        database_never_corrupt, 0},
7987      { "database_may_be_corrupt",       database_may_be_corrupt, 0},
7988      { "optimization_control",          optimization_control,0},
7989 #if SQLITE_OS_WIN
7990      { "lock_win32_file",               win32_file_lock,    0 },
7991      { "exists_win32_path",             win32_exists_path,  0 },
7992      { "find_win32_file",               win32_find_file,    0 },
7993      { "delete_win32_file",             win32_delete_file,  0 },
7994      { "make_win32_dir",                win32_mkdir,        0 },
7995      { "remove_win32_dir",              win32_rmdir,        0 },
7996 #endif
7997      { "tcl_objproc",                   runAsObjProc,       0 },
7998 
7999      /* sqlite3_column_*() API */
8000      { "sqlite3_column_count",          test_column_count  ,0 },
8001      { "sqlite3_data_count",            test_data_count    ,0 },
8002      { "sqlite3_column_type",           test_column_type   ,0 },
8003      { "sqlite3_column_blob",           test_column_blob   ,0 },
8004      { "sqlite3_column_double",         test_column_double ,0 },
8005      { "sqlite3_column_int64",          test_column_int64  ,0 },
8006      { "sqlite3_column_text",   test_stmt_utf8,  (void*)sqlite3_column_text },
8007      { "sqlite3_column_name",   test_stmt_utf8,  (void*)sqlite3_column_name },
8008      { "sqlite3_column_int",    test_stmt_int,   (void*)sqlite3_column_int  },
8009      { "sqlite3_column_bytes",  test_stmt_int,   (void*)sqlite3_column_bytes},
8010 #ifndef SQLITE_OMIT_DECLTYPE
8011      { "sqlite3_column_decltype",test_stmt_utf8,(void*)sqlite3_column_decltype},
8012 #endif
8013 #ifdef SQLITE_ENABLE_COLUMN_METADATA
8014 { "sqlite3_column_database_name",test_stmt_utf8,(void*)sqlite3_column_database_name},
8015 { "sqlite3_column_table_name",test_stmt_utf8,(void*)sqlite3_column_table_name},
8016 { "sqlite3_column_origin_name",test_stmt_utf8,(void*)sqlite3_column_origin_name},
8017 #endif
8018 
8019 #ifndef SQLITE_OMIT_UTF16
8020      { "sqlite3_column_bytes16", test_stmt_int, (void*)sqlite3_column_bytes16 },
8021      { "sqlite3_column_text16",  test_stmt_utf16, (void*)sqlite3_column_text16},
8022      { "sqlite3_column_name16",  test_stmt_utf16, (void*)sqlite3_column_name16},
8023      { "add_alignment_test_collations", add_alignment_test_collations, 0      },
8024 #ifndef SQLITE_OMIT_DECLTYPE
8025      { "sqlite3_column_decltype16",test_stmt_utf16,(void*)sqlite3_column_decltype16},
8026 #endif
8027 #ifdef SQLITE_ENABLE_COLUMN_METADATA
8028 {"sqlite3_column_database_name16",
8029   test_stmt_utf16, (void*)sqlite3_column_database_name16},
8030 {"sqlite3_column_table_name16", test_stmt_utf16, (void*)sqlite3_column_table_name16},
8031 {"sqlite3_column_origin_name16", test_stmt_utf16, (void*)sqlite3_column_origin_name16},
8032 #endif
8033 #endif
8034      { "sqlite3_create_collation_v2", test_create_collation_v2, 0 },
8035      { "sqlite3_global_recover",     test_global_recover, 0   },
8036      { "working_64bit_int",          working_64bit_int,   0   },
8037      { "vfs_unlink_test",            vfs_unlink_test,     0   },
8038      { "vfs_initfail_test",          vfs_initfail_test,   0   },
8039      { "vfs_unregister_all",         vfs_unregister_all,  0   },
8040      { "vfs_reregister_all",         vfs_reregister_all,  0   },
8041      { "file_control_test",          file_control_test,   0   },
8042      { "file_control_lasterrno_test", file_control_lasterrno_test,  0   },
8043      { "file_control_lockproxy_test", file_control_lockproxy_test,  0   },
8044      { "file_control_chunksize_test", file_control_chunksize_test,  0   },
8045      { "file_control_sizehint_test",  file_control_sizehint_test,   0   },
8046      { "file_control_data_version",   file_control_data_version,    0   },
8047 #if SQLITE_OS_WIN
8048      { "file_control_win32_av_retry", file_control_win32_av_retry,  0   },
8049      { "file_control_win32_get_handle", file_control_win32_get_handle, 0  },
8050      { "file_control_win32_set_handle", file_control_win32_set_handle, 0  },
8051 #endif
8052      { "file_control_persist_wal",    file_control_persist_wal,     0   },
8053      { "file_control_powersafe_overwrite",file_control_powersafe_overwrite,0},
8054      { "file_control_vfsname",        file_control_vfsname,         0   },
8055      { "file_control_tempfilename",   file_control_tempfilename,    0   },
8056      { "sqlite3_vfs_list",           vfs_list,     0   },
8057      { "sqlite3_create_function_v2", test_create_function_v2, 0 },
8058 
8059      /* Functions from os.h */
8060 #ifndef SQLITE_OMIT_UTF16
8061      { "add_test_collate",        test_collate, 0            },
8062      { "add_test_collate_needed", test_collate_needed, 0     },
8063      { "add_test_function",       test_function, 0           },
8064      { "add_test_utf16bin_collate",    test_utf16bin_collate, 0        },
8065 #endif
8066      { "sqlite3_test_errstr",     test_errstr, 0             },
8067      { "tcl_variable_type",       tcl_variable_type, 0       },
8068 #ifndef SQLITE_OMIT_SHARED_CACHE
8069      { "sqlite3_enable_shared_cache", test_enable_shared, 0  },
8070      { "sqlite3_shared_cache_report", sqlite3BtreeSharedCacheReport, 0},
8071 #endif
8072      { "sqlite3_libversion_number", test_libversion_number, 0  },
8073      { "sqlite3_table_column_metadata", test_table_column_metadata, 0  },
8074 #ifndef SQLITE_OMIT_INCRBLOB
8075      { "sqlite3_blob_reopen", test_blob_reopen, 0  },
8076 #endif
8077      { "pcache_stats",       test_pcache_stats, 0  },
8078 #ifdef SQLITE_ENABLE_UNLOCK_NOTIFY
8079      { "sqlite3_unlock_notify", test_unlock_notify, 0  },
8080 #endif
8081      { "sqlite3_wal_checkpoint",   test_wal_checkpoint, 0  },
8082      { "sqlite3_wal_checkpoint_v2",test_wal_checkpoint_v2, 0  },
8083      { "sqlite3_wal_autocheckpoint",test_wal_autocheckpoint, 0  },
8084      { "test_sqlite3_log",         test_sqlite3_log, 0  },
8085 #ifndef SQLITE_OMIT_EXPLAIN
8086      { "print_explain_query_plan", test_print_eqp, 0  },
8087 #endif
8088      { "sqlite3_test_control", test_test_control },
8089 #if SQLITE_OS_UNIX
8090      { "getrusage", test_getrusage },
8091 #endif
8092      { "load_static_extension", tclLoadStaticExtensionCmd },
8093      { "sorter_test_fakeheap", sorter_test_fakeheap },
8094      { "sorter_test_sort4_helper", sorter_test_sort4_helper },
8095 #ifdef SQLITE_USER_AUTHENTICATION
8096      { "sqlite3_user_authenticate", test_user_authenticate, 0 },
8097      { "sqlite3_user_add",          test_user_add,          0 },
8098      { "sqlite3_user_change",       test_user_change,       0 },
8099      { "sqlite3_user_delete",       test_user_delete,       0 },
8100 #endif
8101 #ifdef SQLITE_ENABLE_STMT_SCANSTATUS
8102      { "sqlite3_stmt_scanstatus",       test_stmt_scanstatus,   0 },
8103      { "sqlite3_stmt_scanstatus_reset", test_stmt_scanstatus_reset,   0 },
8104 #endif
8105 #ifdef SQLITE_ENABLE_SQLLOG
8106      { "sqlite3_config_sqllog",         test_config_sqllog,   0 },
8107 #endif
8108      { "vfs_current_time_int64",           vfsCurrentTimeInt64,   0 },
8109 #ifdef SQLITE_ENABLE_SNAPSHOT
8110      { "sqlite3_snapshot_get", test_snapshot_get, 0 },
8111      { "sqlite3_snapshot_open", test_snapshot_open, 0 },
8112      { "sqlite3_snapshot_free", test_snapshot_free, 0 },
8113      { "sqlite3_snapshot_cmp", test_snapshot_cmp, 0 },
8114      { "sqlite3_snapshot_recover", test_snapshot_recover, 0 },
8115      { "sqlite3_snapshot_get_blob", test_snapshot_get_blob, 0 },
8116      { "sqlite3_snapshot_open_blob", test_snapshot_open_blob, 0 },
8117      { "sqlite3_snapshot_cmp_blob", test_snapshot_cmp_blob, 0 },
8118 #endif
8119      { "sqlite3_delete_database", test_delete_database,    0 },
8120      { "atomic_batch_write",      test_atomic_batch_write, 0 },
8121      { "sqlite3_mmap_warm",       test_mmap_warm,          0 },
8122      { "sqlite3_config_sorterref", test_config_sorterref,   0 },
8123      { "decode_hexdb",             test_decode_hexdb,       0 },
8124   };
8125   static int bitmask_size = sizeof(Bitmask)*8;
8126   static int longdouble_size = sizeof(LONGDOUBLE_TYPE);
8127   int i;
8128   extern int sqlite3_sync_count, sqlite3_fullsync_count;
8129   extern int sqlite3_opentemp_count;
8130   extern int sqlite3_like_count;
8131   extern int sqlite3_xferopt_count;
8132   extern int sqlite3_pager_readdb_count;
8133   extern int sqlite3_pager_writedb_count;
8134   extern int sqlite3_pager_writej_count;
8135 #if SQLITE_OS_WIN
8136   extern LONG volatile sqlite3_os_type;
8137 #endif
8138 #ifdef SQLITE_DEBUG
8139   extern int sqlite3WhereTrace;
8140   extern int sqlite3OSTrace;
8141   extern int sqlite3WalTrace;
8142 #endif
8143 #ifdef SQLITE_TEST
8144 #ifdef SQLITE_ENABLE_FTS3
8145   extern int sqlite3_fts3_enable_parentheses;
8146 #endif
8147 #endif
8148 #if defined(SQLITE_ENABLE_SELECTTRACE)
8149   extern int sqlite3SelectTrace;
8150 #endif
8151 
8152   for(i=0; i<sizeof(aCmd)/sizeof(aCmd[0]); i++){
8153     Tcl_CreateCommand(interp, aCmd[i].zName, aCmd[i].xProc, 0, 0);
8154   }
8155   for(i=0; i<sizeof(aObjCmd)/sizeof(aObjCmd[0]); i++){
8156     Tcl_CreateObjCommand(interp, aObjCmd[i].zName,
8157         aObjCmd[i].xProc, aObjCmd[i].clientData, 0);
8158   }
8159   Tcl_LinkVar(interp, "sqlite_search_count",
8160       (char*)&sqlite3_search_count, TCL_LINK_INT);
8161   Tcl_LinkVar(interp, "sqlite_found_count",
8162       (char*)&sqlite3_found_count, TCL_LINK_INT);
8163   Tcl_LinkVar(interp, "sqlite_sort_count",
8164       (char*)&sqlite3_sort_count, TCL_LINK_INT);
8165   Tcl_LinkVar(interp, "sqlite3_max_blobsize",
8166       (char*)&sqlite3_max_blobsize, TCL_LINK_INT);
8167   Tcl_LinkVar(interp, "sqlite_like_count",
8168       (char*)&sqlite3_like_count, TCL_LINK_INT);
8169   Tcl_LinkVar(interp, "sqlite_interrupt_count",
8170       (char*)&sqlite3_interrupt_count, TCL_LINK_INT);
8171   Tcl_LinkVar(interp, "sqlite_open_file_count",
8172       (char*)&sqlite3_open_file_count, TCL_LINK_INT);
8173   Tcl_LinkVar(interp, "sqlite_current_time",
8174       (char*)&sqlite3_current_time, TCL_LINK_INT);
8175 #if SQLITE_OS_UNIX && defined(__APPLE__) && SQLITE_ENABLE_LOCKING_STYLE
8176   Tcl_LinkVar(interp, "sqlite_hostid_num",
8177       (char*)&sqlite3_hostid_num, TCL_LINK_INT);
8178 #endif
8179   Tcl_LinkVar(interp, "sqlite3_xferopt_count",
8180       (char*)&sqlite3_xferopt_count, TCL_LINK_INT);
8181   Tcl_LinkVar(interp, "sqlite3_pager_readdb_count",
8182       (char*)&sqlite3_pager_readdb_count, TCL_LINK_INT);
8183   Tcl_LinkVar(interp, "sqlite3_pager_writedb_count",
8184       (char*)&sqlite3_pager_writedb_count, TCL_LINK_INT);
8185   Tcl_LinkVar(interp, "sqlite3_pager_writej_count",
8186       (char*)&sqlite3_pager_writej_count, TCL_LINK_INT);
8187 #ifndef SQLITE_OMIT_UTF16
8188   Tcl_LinkVar(interp, "unaligned_string_counter",
8189       (char*)&unaligned_string_counter, TCL_LINK_INT);
8190 #endif
8191 #ifndef SQLITE_OMIT_UTF16
8192   Tcl_LinkVar(interp, "sqlite_last_needed_collation",
8193       (char*)&pzNeededCollation, TCL_LINK_STRING|TCL_LINK_READ_ONLY);
8194 #endif
8195 #if SQLITE_OS_WIN
8196   Tcl_LinkVar(interp, "sqlite_os_type",
8197       (char*)&sqlite3_os_type, TCL_LINK_LONG);
8198 #endif
8199 #ifdef SQLITE_TEST
8200   {
8201     static const char *query_plan = "*** OBSOLETE VARIABLE ***";
8202     Tcl_LinkVar(interp, "sqlite_query_plan",
8203        (char*)&query_plan, TCL_LINK_STRING|TCL_LINK_READ_ONLY);
8204   }
8205 #endif
8206 #ifdef SQLITE_DEBUG
8207   Tcl_LinkVar(interp, "sqlite_where_trace",
8208       (char*)&sqlite3WhereTrace, TCL_LINK_INT);
8209   Tcl_LinkVar(interp, "sqlite_os_trace",
8210       (char*)&sqlite3OSTrace, TCL_LINK_INT);
8211 #ifndef SQLITE_OMIT_WAL
8212   Tcl_LinkVar(interp, "sqlite_wal_trace",
8213       (char*)&sqlite3WalTrace, TCL_LINK_INT);
8214 #endif
8215 #endif
8216 #ifndef SQLITE_OMIT_DISKIO
8217   Tcl_LinkVar(interp, "sqlite_opentemp_count",
8218       (char*)&sqlite3_opentemp_count, TCL_LINK_INT);
8219 #endif
8220   Tcl_LinkVar(interp, "sqlite_static_bind_value",
8221       (char*)&sqlite_static_bind_value, TCL_LINK_STRING);
8222   Tcl_LinkVar(interp, "sqlite_static_bind_nbyte",
8223       (char*)&sqlite_static_bind_nbyte, TCL_LINK_INT);
8224   Tcl_LinkVar(interp, "sqlite_temp_directory",
8225       (char*)&sqlite3_temp_directory, TCL_LINK_STRING);
8226   Tcl_LinkVar(interp, "sqlite_data_directory",
8227       (char*)&sqlite3_data_directory, TCL_LINK_STRING);
8228   Tcl_LinkVar(interp, "bitmask_size",
8229       (char*)&bitmask_size, TCL_LINK_INT|TCL_LINK_READ_ONLY);
8230   Tcl_LinkVar(interp, "longdouble_size",
8231       (char*)&longdouble_size, TCL_LINK_INT|TCL_LINK_READ_ONLY);
8232   Tcl_LinkVar(interp, "sqlite_sync_count",
8233       (char*)&sqlite3_sync_count, TCL_LINK_INT);
8234   Tcl_LinkVar(interp, "sqlite_fullsync_count",
8235       (char*)&sqlite3_fullsync_count, TCL_LINK_INT);
8236 #if defined(SQLITE_ENABLE_SELECTTRACE)
8237   Tcl_LinkVar(interp, "sqlite3SelectTrace",
8238       (char*)&sqlite3SelectTrace, TCL_LINK_INT);
8239 #endif
8240 #if defined(SQLITE_ENABLE_FTS3) && defined(SQLITE_TEST)
8241   Tcl_LinkVar(interp, "sqlite_fts3_enable_parentheses",
8242       (char*)&sqlite3_fts3_enable_parentheses, TCL_LINK_INT);
8243 #endif
8244   return TCL_OK;
8245 }
8246