xref: /sqlite-3.40.0/src/test1.c (revision 43a9385d)
1 /*
2 ** 2001 September 15
3 **
4 ** The author disclaims copyright to this source code.  In place of
5 ** a legal notice, here is a blessing:
6 **
7 **    May you do good and not evil.
8 **    May you find forgiveness for yourself and forgive others.
9 **    May you share freely, never taking more than you give.
10 **
11 *************************************************************************
12 ** Code for testing all sorts of SQLite interfaces.  This code
13 ** is not included in the SQLite library.  It is used for automated
14 ** testing of the SQLite library.
15 */
16 #include "sqliteInt.h"
17 #if SQLITE_OS_WIN
18 #  include "os_win.h"
19 #endif
20 
21 #include "vdbeInt.h"
22 #if defined(INCLUDE_SQLITE_TCL_H)
23 #  include "sqlite_tcl.h"
24 #else
25 #  include "tcl.h"
26 #endif
27 #include <stdlib.h>
28 #include <string.h>
29 
30 /*
31 ** This is a copy of the first part of the SqliteDb structure in
32 ** tclsqlite.c.  We need it here so that the get_sqlite_pointer routine
33 ** can extract the sqlite3* pointer from an existing Tcl SQLite
34 ** connection.
35 */
36 struct SqliteDb {
37   sqlite3 *db;
38 };
39 
40 /*
41 ** Convert text generated by the "%p" conversion format back into
42 ** a pointer.
43 */
44 static int testHexToInt(int h){
45   if( h>='0' && h<='9' ){
46     return h - '0';
47   }else if( h>='a' && h<='f' ){
48     return h - 'a' + 10;
49   }else{
50     assert( h>='A' && h<='F' );
51     return h - 'A' + 10;
52   }
53 }
54 void *sqlite3TestTextToPtr(const char *z){
55   void *p;
56   u64 v;
57   u32 v2;
58   if( z[0]=='0' && z[1]=='x' ){
59     z += 2;
60   }
61   v = 0;
62   while( *z ){
63     v = (v<<4) + testHexToInt(*z);
64     z++;
65   }
66   if( sizeof(p)==sizeof(v) ){
67     memcpy(&p, &v, sizeof(p));
68   }else{
69     assert( sizeof(p)==sizeof(v2) );
70     v2 = (u32)v;
71     memcpy(&p, &v2, sizeof(p));
72   }
73   return p;
74 }
75 
76 
77 /*
78 ** A TCL command that returns the address of the sqlite* pointer
79 ** for an sqlite connection instance.  Bad things happen if the
80 ** input is not an sqlite connection.
81 */
82 static int SQLITE_TCLAPI get_sqlite_pointer(
83   void * clientData,
84   Tcl_Interp *interp,
85   int objc,
86   Tcl_Obj *CONST objv[]
87 ){
88   struct SqliteDb *p;
89   Tcl_CmdInfo cmdInfo;
90   char zBuf[100];
91   if( objc!=2 ){
92     Tcl_WrongNumArgs(interp, 1, objv, "SQLITE-CONNECTION");
93     return TCL_ERROR;
94   }
95   if( !Tcl_GetCommandInfo(interp, Tcl_GetString(objv[1]), &cmdInfo) ){
96     Tcl_AppendResult(interp, "command not found: ",
97            Tcl_GetString(objv[1]), (char*)0);
98     return TCL_ERROR;
99   }
100   p = (struct SqliteDb*)cmdInfo.objClientData;
101   sqlite3_snprintf(sizeof(zBuf), zBuf, "%p", p->db);
102   Tcl_AppendResult(interp, zBuf, 0);
103   return TCL_OK;
104 }
105 
106 /*
107 ** Decode a pointer to an sqlite3 object.
108 */
109 int getDbPointer(Tcl_Interp *interp, const char *zA, sqlite3 **ppDb){
110   struct SqliteDb *p;
111   Tcl_CmdInfo cmdInfo;
112   if( Tcl_GetCommandInfo(interp, zA, &cmdInfo) ){
113     p = (struct SqliteDb*)cmdInfo.objClientData;
114     *ppDb = p->db;
115   }else{
116     *ppDb = (sqlite3*)sqlite3TestTextToPtr(zA);
117   }
118   return TCL_OK;
119 }
120 
121 #if SQLITE_OS_WIN
122 /*
123 ** Decode a Win32 HANDLE object.
124 */
125 int getWin32Handle(Tcl_Interp *interp, const char *zA, LPHANDLE phFile){
126   *phFile = (HANDLE)sqlite3TestTextToPtr(zA);
127   return TCL_OK;
128 }
129 #endif
130 
131 extern const char *sqlite3ErrName(int);
132 #define t1ErrorName sqlite3ErrName
133 
134 /*
135 ** Convert an sqlite3_stmt* into an sqlite3*.  This depends on the
136 ** fact that the sqlite3* is the first field in the Vdbe structure.
137 */
138 #define StmtToDb(X)   sqlite3_db_handle(X)
139 
140 /*
141 ** Check a return value to make sure it agrees with the results
142 ** from sqlite3_errcode.
143 */
144 int sqlite3TestErrCode(Tcl_Interp *interp, sqlite3 *db, int rc){
145   if( sqlite3_threadsafe()==0 && rc!=SQLITE_MISUSE && rc!=SQLITE_OK
146    && sqlite3_errcode(db)!=rc ){
147     char zBuf[200];
148     int r2 = sqlite3_errcode(db);
149     sqlite3_snprintf(sizeof(zBuf), zBuf,
150        "error code %s (%d) does not match sqlite3_errcode %s (%d)",
151        t1ErrorName(rc), rc, t1ErrorName(r2), r2);
152     Tcl_ResetResult(interp);
153     Tcl_AppendResult(interp, zBuf, 0);
154     return 1;
155   }
156   return 0;
157 }
158 
159 /*
160 ** Decode a pointer to an sqlite3_stmt object.
161 */
162 static int getStmtPointer(
163   Tcl_Interp *interp,
164   const char *zArg,
165   sqlite3_stmt **ppStmt
166 ){
167   *ppStmt = (sqlite3_stmt*)sqlite3TestTextToPtr(zArg);
168   return TCL_OK;
169 }
170 
171 /*
172 ** Generate a text representation of a pointer that can be understood
173 ** by the getDbPointer and getVmPointer routines above.
174 **
175 ** The problem is, on some machines (Solaris) if you do a printf with
176 ** "%p" you cannot turn around and do a scanf with the same "%p" and
177 ** get your pointer back.  You have to prepend a "0x" before it will
178 ** work.  Or at least that is what is reported to me (drh).  But this
179 ** behavior varies from machine to machine.  The solution used her is
180 ** to test the string right after it is generated to see if it can be
181 ** understood by scanf, and if not, try prepending an "0x" to see if
182 ** that helps.  If nothing works, a fatal error is generated.
183 */
184 int sqlite3TestMakePointerStr(Tcl_Interp *interp, char *zPtr, void *p){
185   sqlite3_snprintf(100, zPtr, "%p", p);
186   return TCL_OK;
187 }
188 
189 /*
190 ** The callback routine for sqlite3_exec_printf().
191 */
192 static int exec_printf_cb(void *pArg, int argc, char **argv, char **name){
193   Tcl_DString *str = (Tcl_DString*)pArg;
194   int i;
195 
196   if( Tcl_DStringLength(str)==0 ){
197     for(i=0; i<argc; i++){
198       Tcl_DStringAppendElement(str, name[i] ? name[i] : "NULL");
199     }
200   }
201   for(i=0; i<argc; i++){
202     Tcl_DStringAppendElement(str, argv[i] ? argv[i] : "NULL");
203   }
204   return 0;
205 }
206 
207 /*
208 ** The I/O tracing callback.
209 */
210 #if !defined(SQLITE_OMIT_TRACE) && defined(SQLITE_ENABLE_IOTRACE)
211 static FILE *iotrace_file = 0;
212 static void io_trace_callback(const char *zFormat, ...){
213   va_list ap;
214   va_start(ap, zFormat);
215   vfprintf(iotrace_file, zFormat, ap);
216   va_end(ap);
217   fflush(iotrace_file);
218 }
219 #endif
220 
221 /*
222 ** Usage:  io_trace FILENAME
223 **
224 ** Turn I/O tracing on or off.  If FILENAME is not an empty string,
225 ** I/O tracing begins going into FILENAME. If FILENAME is an empty
226 ** string, I/O tracing is turned off.
227 */
228 static int SQLITE_TCLAPI test_io_trace(
229   void *NotUsed,
230   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
231   int argc,              /* Number of arguments */
232   char **argv            /* Text of each argument */
233 ){
234 #if !defined(SQLITE_OMIT_TRACE) && defined(SQLITE_ENABLE_IOTRACE)
235   if( argc!=2 ){
236     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
237           " FILENAME\"", 0);
238     return TCL_ERROR;
239   }
240   if( iotrace_file ){
241     if( iotrace_file!=stdout && iotrace_file!=stderr ){
242       fclose(iotrace_file);
243     }
244     iotrace_file = 0;
245     sqlite3IoTrace = 0;
246   }
247   if( argv[1][0] ){
248     if( strcmp(argv[1],"stdout")==0 ){
249       iotrace_file = stdout;
250     }else if( strcmp(argv[1],"stderr")==0 ){
251       iotrace_file = stderr;
252     }else{
253       iotrace_file = fopen(argv[1], "w");
254     }
255     sqlite3IoTrace = io_trace_callback;
256   }
257 #endif
258   return TCL_OK;
259 }
260 
261 /*
262 ** Usage:  clang_sanitize_address
263 **
264 ** Returns true if the program was compiled using clang with the
265 ** -fsanitize=address switch on the command line. False otherwise.
266 **
267 ** Also return true if the OMIT_MISUSE environment variable exists.
268 */
269 static int SQLITE_TCLAPI clang_sanitize_address(
270   void *NotUsed,
271   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
272   int argc,              /* Number of arguments */
273   char **argv            /* Text of each argument */
274 ){
275   int res = 0;
276 #if defined(__has_feature)
277 # if __has_feature(address_sanitizer)
278   res = 1;
279 # endif
280 #endif
281 #ifdef __SANITIZE_ADDRESS__
282   res = 1;
283 #endif
284   if( res==0 && getenv("OMIT_MISUSE")!=0 ) res = 1;
285   Tcl_SetObjResult(interp, Tcl_NewIntObj(res));
286   return TCL_OK;
287 }
288 
289 /*
290 ** Usage:  sqlite3_exec_printf  DB  FORMAT  STRING
291 **
292 ** Invoke the sqlite3_exec_printf() interface using the open database
293 ** DB.  The SQL is the string FORMAT.  The format string should contain
294 ** one %s or %q.  STRING is the value inserted into %s or %q.
295 */
296 static int SQLITE_TCLAPI test_exec_printf(
297   void *NotUsed,
298   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
299   int argc,              /* Number of arguments */
300   char **argv            /* Text of each argument */
301 ){
302   sqlite3 *db;
303   Tcl_DString str;
304   int rc;
305   char *zErr = 0;
306   char *zSql;
307   char zBuf[30];
308   if( argc!=4 ){
309     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
310        " DB FORMAT STRING", 0);
311     return TCL_ERROR;
312   }
313   if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
314   Tcl_DStringInit(&str);
315   zSql = sqlite3_mprintf(argv[2], argv[3]);
316   rc = sqlite3_exec(db, zSql, exec_printf_cb, &str, &zErr);
317   sqlite3_free(zSql);
318   sqlite3_snprintf(sizeof(zBuf), zBuf, "%d", rc);
319   Tcl_AppendElement(interp, zBuf);
320   Tcl_AppendElement(interp, rc==SQLITE_OK ? Tcl_DStringValue(&str) : zErr);
321   Tcl_DStringFree(&str);
322   if( zErr ) sqlite3_free(zErr);
323   if( sqlite3TestErrCode(interp, db, rc) ) return TCL_ERROR;
324   return TCL_OK;
325 }
326 
327 /*
328 ** Usage:  sqlite3_exec_hex  DB  HEX
329 **
330 ** Invoke the sqlite3_exec() on a string that is obtained by translating
331 ** HEX into ASCII.  Most characters are translated as is.  %HH becomes
332 ** a hex character.
333 */
334 static int SQLITE_TCLAPI test_exec_hex(
335   void *NotUsed,
336   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
337   int argc,              /* Number of arguments */
338   char **argv            /* Text of each argument */
339 ){
340   sqlite3 *db;
341   Tcl_DString str;
342   int rc, i, j;
343   char *zErr = 0;
344   char *zHex;
345   char zSql[501];
346   char zBuf[30];
347   if( argc!=3 ){
348     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
349        " DB HEX", 0);
350     return TCL_ERROR;
351   }
352   if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
353   zHex = argv[2];
354   for(i=j=0; i<(sizeof(zSql)-1) && zHex[j]; i++, j++){
355     if( zHex[j]=='%' && zHex[j+2] && zHex[j+2] ){
356       zSql[i] = (testHexToInt(zHex[j+1])<<4) + testHexToInt(zHex[j+2]);
357       j += 2;
358     }else{
359       zSql[i] = zHex[j];
360     }
361   }
362   zSql[i] = 0;
363   Tcl_DStringInit(&str);
364   rc = sqlite3_exec(db, zSql, exec_printf_cb, &str, &zErr);
365   sqlite3_snprintf(sizeof(zBuf), zBuf, "%d", rc);
366   Tcl_AppendElement(interp, zBuf);
367   Tcl_AppendElement(interp, rc==SQLITE_OK ? Tcl_DStringValue(&str) : zErr);
368   Tcl_DStringFree(&str);
369   if( zErr ) sqlite3_free(zErr);
370   if( sqlite3TestErrCode(interp, db, rc) ) return TCL_ERROR;
371   return TCL_OK;
372 }
373 
374 /*
375 ** Usage:  db_enter DB
376 **         db_leave DB
377 **
378 ** Enter or leave the mutex on a database connection.
379 */
380 static int SQLITE_TCLAPI db_enter(
381   void *NotUsed,
382   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
383   int argc,              /* Number of arguments */
384   char **argv            /* Text of each argument */
385 ){
386   sqlite3 *db;
387   if( argc!=2 ){
388     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
389        " DB", 0);
390     return TCL_ERROR;
391   }
392   if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
393   sqlite3_mutex_enter(db->mutex);
394   return TCL_OK;
395 }
396 static int SQLITE_TCLAPI db_leave(
397   void *NotUsed,
398   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
399   int argc,              /* Number of arguments */
400   char **argv            /* Text of each argument */
401 ){
402   sqlite3 *db;
403   if( argc!=2 ){
404     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
405        " DB", 0);
406     return TCL_ERROR;
407   }
408   if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
409   sqlite3_mutex_leave(db->mutex);
410   return TCL_OK;
411 }
412 
413 /*
414 ** Usage:  sqlite3_exec  DB  SQL
415 **
416 ** Invoke the sqlite3_exec interface using the open database DB
417 */
418 static int SQLITE_TCLAPI test_exec(
419   void *NotUsed,
420   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
421   int argc,              /* Number of arguments */
422   char **argv            /* Text of each argument */
423 ){
424   sqlite3 *db;
425   Tcl_DString str;
426   int rc;
427   char *zErr = 0;
428   char *zSql;
429   int i, j;
430   char zBuf[30];
431   if( argc!=3 ){
432     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
433        " DB SQL", 0);
434     return TCL_ERROR;
435   }
436   if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
437   Tcl_DStringInit(&str);
438   zSql = sqlite3_mprintf("%s", argv[2]);
439   for(i=j=0; zSql[i];){
440     if( zSql[i]=='%' ){
441       zSql[j++] = (testHexToInt(zSql[i+1])<<4) + testHexToInt(zSql[i+2]);
442       i += 3;
443     }else{
444       zSql[j++] = zSql[i++];
445     }
446   }
447   zSql[j] = 0;
448   rc = sqlite3_exec(db, zSql, exec_printf_cb, &str, &zErr);
449   sqlite3_free(zSql);
450   sqlite3_snprintf(sizeof(zBuf), zBuf, "%d", rc);
451   Tcl_AppendElement(interp, zBuf);
452   Tcl_AppendElement(interp, rc==SQLITE_OK ? Tcl_DStringValue(&str) : zErr);
453   Tcl_DStringFree(&str);
454   if( zErr ) sqlite3_free(zErr);
455   if( sqlite3TestErrCode(interp, db, rc) ) return TCL_ERROR;
456   return TCL_OK;
457 }
458 
459 /*
460 ** Usage:  sqlite3_exec_nr  DB  SQL
461 **
462 ** Invoke the sqlite3_exec interface using the open database DB.  Discard
463 ** all results
464 */
465 static int SQLITE_TCLAPI test_exec_nr(
466   void *NotUsed,
467   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
468   int argc,              /* Number of arguments */
469   char **argv            /* Text of each argument */
470 ){
471   sqlite3 *db;
472   int rc;
473   char *zErr = 0;
474   if( argc!=3 ){
475     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
476        " DB SQL", 0);
477     return TCL_ERROR;
478   }
479   if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
480   rc = sqlite3_exec(db, argv[2], 0, 0, &zErr);
481   if( sqlite3TestErrCode(interp, db, rc) ) return TCL_ERROR;
482   return TCL_OK;
483 }
484 
485 /*
486 ** Usage:  sqlite3_mprintf_z_test  SEPARATOR  ARG0  ARG1 ...
487 **
488 ** Test the %z format of sqlite_mprintf().  Use multiple mprintf() calls to
489 ** concatenate arg0 through argn using separator as the separator.
490 ** Return the result.
491 */
492 static int SQLITE_TCLAPI test_mprintf_z(
493   void *NotUsed,
494   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
495   int argc,              /* Number of arguments */
496   char **argv            /* Text of each argument */
497 ){
498   char *zResult = 0;
499   int i;
500 
501   for(i=2; i<argc && (i==2 || zResult); i++){
502     zResult = sqlite3_mprintf("%z%s%s", zResult, argv[1], argv[i]);
503   }
504   Tcl_AppendResult(interp, zResult, 0);
505   sqlite3_free(zResult);
506   return TCL_OK;
507 }
508 
509 /*
510 ** Usage:  sqlite3_mprintf_n_test  STRING
511 **
512 ** Test the %n format of sqlite_mprintf().  Return the length of the
513 ** input string.
514 */
515 static int SQLITE_TCLAPI test_mprintf_n(
516   void *NotUsed,
517   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
518   int argc,              /* Number of arguments */
519   char **argv            /* Text of each argument */
520 ){
521   char *zStr;
522   int n = 0;
523   zStr = sqlite3_mprintf("%s%n", argv[1], &n);
524   sqlite3_free(zStr);
525   Tcl_SetObjResult(interp, Tcl_NewIntObj(n));
526   return TCL_OK;
527 }
528 
529 /*
530 ** Usage:  sqlite3_snprintf_int  SIZE FORMAT  INT
531 **
532 ** Test the of sqlite3_snprintf() routine.  SIZE is the size of the
533 ** output buffer in bytes.  The maximum size is 100.  FORMAT is the
534 ** format string.  INT is a single integer argument.  The FORMAT
535 ** string must require no more than this one integer argument.  If
536 ** You pass in a format string that requires more than one argument,
537 ** bad things will happen.
538 */
539 static int SQLITE_TCLAPI test_snprintf_int(
540   void *NotUsed,
541   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
542   int argc,              /* Number of arguments */
543   char **argv            /* Text of each argument */
544 ){
545   char zStr[100];
546   int n = atoi(argv[1]);
547   const char *zFormat = argv[2];
548   int a1 = atoi(argv[3]);
549   if( n>sizeof(zStr) ) n = sizeof(zStr);
550   sqlite3_snprintf(sizeof(zStr), zStr, "abcdefghijklmnopqrstuvwxyz");
551   sqlite3_snprintf(n, zStr, zFormat, a1);
552   Tcl_AppendResult(interp, zStr, 0);
553   return TCL_OK;
554 }
555 
556 #ifndef SQLITE_OMIT_GET_TABLE
557 
558 /*
559 ** Usage:  sqlite3_get_table_printf  DB  FORMAT  STRING  ?--no-counts?
560 **
561 ** Invoke the sqlite3_get_table_printf() interface using the open database
562 ** DB.  The SQL is the string FORMAT.  The format string should contain
563 ** one %s or %q.  STRING is the value inserted into %s or %q.
564 */
565 static int SQLITE_TCLAPI test_get_table_printf(
566   void *NotUsed,
567   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
568   int argc,              /* Number of arguments */
569   char **argv            /* Text of each argument */
570 ){
571   sqlite3 *db;
572   Tcl_DString str;
573   int rc;
574   char *zErr = 0;
575   int nRow = 0, nCol = 0;
576   char **aResult;
577   int i;
578   char zBuf[30];
579   char *zSql;
580   int resCount = -1;
581   if( argc==5 ){
582     if( Tcl_GetInt(interp, argv[4], &resCount) ) return TCL_ERROR;
583   }
584   if( argc!=4 && argc!=5 ){
585     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
586        " DB FORMAT STRING ?COUNT?", 0);
587     return TCL_ERROR;
588   }
589   if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
590   Tcl_DStringInit(&str);
591   zSql = sqlite3_mprintf(argv[2],argv[3]);
592   if( argc==5 ){
593     rc = sqlite3_get_table(db, zSql, &aResult, 0, 0, &zErr);
594   }else{
595     rc = sqlite3_get_table(db, zSql, &aResult, &nRow, &nCol, &zErr);
596     resCount = (nRow+1)*nCol;
597   }
598   sqlite3_free(zSql);
599   sqlite3_snprintf(sizeof(zBuf), zBuf, "%d", rc);
600   Tcl_AppendElement(interp, zBuf);
601   if( rc==SQLITE_OK ){
602     if( argc==4 ){
603       sqlite3_snprintf(sizeof(zBuf), zBuf, "%d", nRow);
604       Tcl_AppendElement(interp, zBuf);
605       sqlite3_snprintf(sizeof(zBuf), zBuf, "%d", nCol);
606       Tcl_AppendElement(interp, zBuf);
607     }
608     for(i=0; i<resCount; i++){
609       Tcl_AppendElement(interp, aResult[i] ? aResult[i] : "NULL");
610     }
611   }else{
612     Tcl_AppendElement(interp, zErr);
613   }
614   sqlite3_free_table(aResult);
615   if( zErr ) sqlite3_free(zErr);
616   if( sqlite3TestErrCode(interp, db, rc) ) return TCL_ERROR;
617   return TCL_OK;
618 }
619 
620 #endif /* SQLITE_OMIT_GET_TABLE */
621 
622 
623 /*
624 ** Usage:  sqlite3_last_insert_rowid DB
625 **
626 ** Returns the integer ROWID of the most recent insert.
627 */
628 static int SQLITE_TCLAPI test_last_rowid(
629   void *NotUsed,
630   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
631   int argc,              /* Number of arguments */
632   char **argv            /* Text of each argument */
633 ){
634   sqlite3 *db;
635   char zBuf[30];
636 
637   if( argc!=2 ){
638     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0], " DB\"", 0);
639     return TCL_ERROR;
640   }
641   if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
642   sqlite3_snprintf(sizeof(zBuf), zBuf, "%lld", sqlite3_last_insert_rowid(db));
643   Tcl_AppendResult(interp, zBuf, 0);
644   return SQLITE_OK;
645 }
646 
647 /*
648 ** Usage:  sqlite3_key DB KEY
649 **
650 ** Set the codec key.
651 */
652 static int SQLITE_TCLAPI test_key(
653   void *NotUsed,
654   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
655   int argc,              /* Number of arguments */
656   char **argv            /* Text of each argument */
657 ){
658 #if defined(SQLITE_HAS_CODEC) && !defined(SQLITE_OMIT_CODEC_FROM_TCL)
659   sqlite3 *db;
660   const char *zKey;
661   int nKey;
662   if( argc!=3 ){
663     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
664        " FILENAME\"", 0);
665     return TCL_ERROR;
666   }
667   if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
668   zKey = argv[2];
669   nKey = strlen(zKey);
670   sqlite3_key(db, zKey, nKey);
671 #endif
672   return TCL_OK;
673 }
674 
675 /*
676 ** Usage:  sqlite3_rekey DB KEY
677 **
678 ** Change the codec key.
679 */
680 static int SQLITE_TCLAPI test_rekey(
681   void *NotUsed,
682   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
683   int argc,              /* Number of arguments */
684   char **argv            /* Text of each argument */
685 ){
686 #ifdef SQLITE_HAS_CODEC
687   sqlite3 *db;
688   const char *zKey;
689   int nKey;
690   if( argc!=3 ){
691     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
692        " FILENAME\"", 0);
693     return TCL_ERROR;
694   }
695   if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
696   zKey = argv[2];
697   nKey = strlen(zKey);
698   sqlite3_rekey(db, zKey, nKey);
699 #endif
700   return TCL_OK;
701 }
702 
703 /*
704 ** Usage:  sqlite3_close DB
705 **
706 ** Closes the database opened by sqlite3_open.
707 */
708 static int SQLITE_TCLAPI sqlite_test_close(
709   void *NotUsed,
710   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
711   int argc,              /* Number of arguments */
712   char **argv            /* Text of each argument */
713 ){
714   sqlite3 *db;
715   int rc;
716   if( argc!=2 ){
717     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
718        " FILENAME\"", 0);
719     return TCL_ERROR;
720   }
721   if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
722   rc = sqlite3_close(db);
723   Tcl_SetResult(interp, (char *)t1ErrorName(rc), TCL_STATIC);
724   return TCL_OK;
725 }
726 
727 /*
728 ** Usage:  sqlite3_close_v2 DB
729 **
730 ** Closes the database opened by sqlite3_open.
731 */
732 static int SQLITE_TCLAPI sqlite_test_close_v2(
733   void *NotUsed,
734   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
735   int argc,              /* Number of arguments */
736   char **argv            /* Text of each argument */
737 ){
738   sqlite3 *db;
739   int rc;
740   if( argc!=2 ){
741     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
742        " FILENAME\"", 0);
743     return TCL_ERROR;
744   }
745   if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
746   rc = sqlite3_close_v2(db);
747   Tcl_SetResult(interp, (char *)t1ErrorName(rc), TCL_STATIC);
748   return TCL_OK;
749 }
750 
751 /*
752 ** Implementation of the x_coalesce() function.
753 ** Return the first argument non-NULL argument.
754 */
755 static void t1_ifnullFunc(
756   sqlite3_context *context,
757   int argc,
758   sqlite3_value **argv
759 ){
760   int i;
761   for(i=0; i<argc; i++){
762     if( SQLITE_NULL!=sqlite3_value_type(argv[i]) ){
763       int n = sqlite3_value_bytes(argv[i]);
764       sqlite3_result_text(context, (char*)sqlite3_value_text(argv[i]),
765           n, SQLITE_TRANSIENT);
766       break;
767     }
768   }
769 }
770 
771 /*
772 ** These are test functions.    hex8() interprets its argument as
773 ** UTF8 and returns a hex encoding.  hex16le() interprets its argument
774 ** as UTF16le and returns a hex encoding.
775 */
776 static void hex8Func(sqlite3_context *p, int argc, sqlite3_value **argv){
777   const unsigned char *z;
778   int i;
779   char zBuf[200];
780   z = sqlite3_value_text(argv[0]);
781   for(i=0; i<sizeof(zBuf)/2 - 2 && z[i]; i++){
782     sqlite3_snprintf(sizeof(zBuf)-i*2, &zBuf[i*2], "%02x", z[i]);
783   }
784   zBuf[i*2] = 0;
785   sqlite3_result_text(p, (char*)zBuf, -1, SQLITE_TRANSIENT);
786 }
787 #ifndef SQLITE_OMIT_UTF16
788 static void hex16Func(sqlite3_context *p, int argc, sqlite3_value **argv){
789   const unsigned short int *z;
790   int i;
791   char zBuf[400];
792   z = sqlite3_value_text16(argv[0]);
793   for(i=0; i<sizeof(zBuf)/4 - 4 && z[i]; i++){
794     sqlite3_snprintf(sizeof(zBuf)-i*4, &zBuf[i*4],"%04x", z[i]&0xff);
795   }
796   zBuf[i*4] = 0;
797   sqlite3_result_text(p, (char*)zBuf, -1, SQLITE_TRANSIENT);
798 }
799 #endif
800 
801 /*
802 ** A structure into which to accumulate text.
803 */
804 struct dstr {
805   int nAlloc;  /* Space allocated */
806   int nUsed;   /* Space used */
807   char *z;     /* The space */
808 };
809 
810 /*
811 ** Append text to a dstr
812 */
813 static void dstrAppend(struct dstr *p, const char *z, int divider){
814   int n = (int)strlen(z);
815   if( p->nUsed + n + 2 > p->nAlloc ){
816     char *zNew;
817     p->nAlloc = p->nAlloc*2 + n + 200;
818     zNew = sqlite3_realloc(p->z, p->nAlloc);
819     if( zNew==0 ){
820       sqlite3_free(p->z);
821       memset(p, 0, sizeof(*p));
822       return;
823     }
824     p->z = zNew;
825   }
826   if( divider && p->nUsed>0 ){
827     p->z[p->nUsed++] = divider;
828   }
829   memcpy(&p->z[p->nUsed], z, n+1);
830   p->nUsed += n;
831 }
832 
833 /*
834 ** Invoked for each callback from sqlite3ExecFunc
835 */
836 static int execFuncCallback(void *pData, int argc, char **argv, char **NotUsed){
837   struct dstr *p = (struct dstr*)pData;
838   int i;
839   for(i=0; i<argc; i++){
840     if( argv[i]==0 ){
841       dstrAppend(p, "NULL", ' ');
842     }else{
843       dstrAppend(p, argv[i], ' ');
844     }
845   }
846   return 0;
847 }
848 
849 /*
850 ** Implementation of the x_sqlite_exec() function.  This function takes
851 ** a single argument and attempts to execute that argument as SQL code.
852 ** This is illegal and should set the SQLITE_MISUSE flag on the database.
853 **
854 ** 2004-Jan-07:  We have changed this to make it legal to call sqlite3_exec()
855 ** from within a function call.
856 **
857 ** This routine simulates the effect of having two threads attempt to
858 ** use the same database at the same time.
859 */
860 static void sqlite3ExecFunc(
861   sqlite3_context *context,
862   int argc,
863   sqlite3_value **argv
864 ){
865   struct dstr x;
866   memset(&x, 0, sizeof(x));
867   (void)sqlite3_exec((sqlite3*)sqlite3_user_data(context),
868       (char*)sqlite3_value_text(argv[0]),
869       execFuncCallback, &x, 0);
870   sqlite3_result_text(context, x.z, x.nUsed, SQLITE_TRANSIENT);
871   sqlite3_free(x.z);
872 }
873 
874 /*
875 ** Implementation of tkt2213func(), a scalar function that takes exactly
876 ** one argument. It has two interesting features:
877 **
878 ** * It calls sqlite3_value_text() 3 times on the argument sqlite3_value*.
879 **   If the three pointers returned are not the same an SQL error is raised.
880 **
881 ** * Otherwise it returns a copy of the text representation of its
882 **   argument in such a way as the VDBE representation is a Mem* cell
883 **   with the MEM_Term flag clear.
884 **
885 ** Ticket #2213 can therefore be tested by evaluating the following
886 ** SQL expression:
887 **
888 **   tkt2213func(tkt2213func('a string'));
889 */
890 static void tkt2213Function(
891   sqlite3_context *context,
892   int argc,
893   sqlite3_value **argv
894 ){
895   int nText;
896   unsigned char const *zText1;
897   unsigned char const *zText2;
898   unsigned char const *zText3;
899 
900   nText = sqlite3_value_bytes(argv[0]);
901   zText1 = sqlite3_value_text(argv[0]);
902   zText2 = sqlite3_value_text(argv[0]);
903   zText3 = sqlite3_value_text(argv[0]);
904 
905   if( zText1!=zText2 || zText2!=zText3 ){
906     sqlite3_result_error(context, "tkt2213 is not fixed", -1);
907   }else{
908     char *zCopy = (char *)sqlite3_malloc(nText);
909     memcpy(zCopy, zText1, nText);
910     sqlite3_result_text(context, zCopy, nText, sqlite3_free);
911   }
912 }
913 
914 /*
915 ** The following SQL function takes 4 arguments.  The 2nd and
916 ** 4th argument must be one of these strings:  'text', 'text16',
917 ** or 'blob' corresponding to API functions
918 **
919 **      sqlite3_value_text()
920 **      sqlite3_value_text16()
921 **      sqlite3_value_blob()
922 **
923 ** The third argument is a string, either 'bytes' or 'bytes16' or 'noop',
924 ** corresponding to APIs:
925 **
926 **      sqlite3_value_bytes()
927 **      sqlite3_value_bytes16()
928 **      noop
929 **
930 ** The APIs designated by the 2nd through 4th arguments are applied
931 ** to the first argument in order.  If the pointers returned by the
932 ** second and fourth are different, this routine returns 1.  Otherwise,
933 ** this routine returns 0.
934 **
935 ** This function is used to test to see when returned pointers from
936 ** the _text(), _text16() and _blob() APIs become invalidated.
937 */
938 static void ptrChngFunction(
939   sqlite3_context *context,
940   int argc,
941   sqlite3_value **argv
942 ){
943   const void *p1, *p2;
944   const char *zCmd;
945   if( argc!=4 ) return;
946   zCmd = (const char*)sqlite3_value_text(argv[1]);
947   if( zCmd==0 ) return;
948   if( strcmp(zCmd,"text")==0 ){
949     p1 = (const void*)sqlite3_value_text(argv[0]);
950 #ifndef SQLITE_OMIT_UTF16
951   }else if( strcmp(zCmd, "text16")==0 ){
952     p1 = (const void*)sqlite3_value_text16(argv[0]);
953 #endif
954   }else if( strcmp(zCmd, "blob")==0 ){
955     p1 = (const void*)sqlite3_value_blob(argv[0]);
956   }else{
957     return;
958   }
959   zCmd = (const char*)sqlite3_value_text(argv[2]);
960   if( zCmd==0 ) return;
961   if( strcmp(zCmd,"bytes")==0 ){
962     sqlite3_value_bytes(argv[0]);
963 #ifndef SQLITE_OMIT_UTF16
964   }else if( strcmp(zCmd, "bytes16")==0 ){
965     sqlite3_value_bytes16(argv[0]);
966 #endif
967   }else if( strcmp(zCmd, "noop")==0 ){
968     /* do nothing */
969   }else{
970     return;
971   }
972   zCmd = (const char*)sqlite3_value_text(argv[3]);
973   if( zCmd==0 ) return;
974   if( strcmp(zCmd,"text")==0 ){
975     p2 = (const void*)sqlite3_value_text(argv[0]);
976 #ifndef SQLITE_OMIT_UTF16
977   }else if( strcmp(zCmd, "text16")==0 ){
978     p2 = (const void*)sqlite3_value_text16(argv[0]);
979 #endif
980   }else if( strcmp(zCmd, "blob")==0 ){
981     p2 = (const void*)sqlite3_value_blob(argv[0]);
982   }else{
983     return;
984   }
985   sqlite3_result_int(context, p1!=p2);
986 }
987 
988 /*
989 ** This SQL function returns a different answer each time it is called, even if
990 ** the arguments are the same.
991 */
992 static void nondeterministicFunction(
993   sqlite3_context *context,
994   int argc,
995   sqlite3_value **argv
996 ){
997   static int cnt = 0;
998   sqlite3_result_int(context, cnt++);
999 }
1000 
1001 /*
1002 ** Usage:  sqlite3_create_function DB
1003 **
1004 ** Call the sqlite3_create_function API on the given database in order
1005 ** to create a function named "x_coalesce".  This function does the same thing
1006 ** as the "coalesce" function.  This function also registers an SQL function
1007 ** named "x_sqlite_exec" that invokes sqlite3_exec().  Invoking sqlite3_exec()
1008 ** in this way is illegal recursion and should raise an SQLITE_MISUSE error.
1009 ** The effect is similar to trying to use the same database connection from
1010 ** two threads at the same time.
1011 **
1012 ** The original motivation for this routine was to be able to call the
1013 ** sqlite3_create_function function while a query is in progress in order
1014 ** to test the SQLITE_MISUSE detection logic.
1015 */
1016 static int SQLITE_TCLAPI test_create_function(
1017   void *NotUsed,
1018   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
1019   int argc,              /* Number of arguments */
1020   char **argv            /* Text of each argument */
1021 ){
1022   int rc;
1023   sqlite3 *db;
1024 
1025   if( argc!=2 ){
1026     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
1027        " DB\"", 0);
1028     return TCL_ERROR;
1029   }
1030   if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
1031   rc = sqlite3_create_function(db, "x_coalesce", -1, SQLITE_UTF8, 0,
1032         t1_ifnullFunc, 0, 0);
1033   if( rc==SQLITE_OK ){
1034     rc = sqlite3_create_function(db, "hex8", 1, SQLITE_UTF8 | SQLITE_DETERMINISTIC,
1035           0, hex8Func, 0, 0);
1036   }
1037 #ifndef SQLITE_OMIT_UTF16
1038   if( rc==SQLITE_OK ){
1039     rc = sqlite3_create_function(db, "hex16", 1, SQLITE_UTF16 | SQLITE_DETERMINISTIC,
1040           0, hex16Func, 0, 0);
1041   }
1042 #endif
1043   if( rc==SQLITE_OK ){
1044     rc = sqlite3_create_function(db, "tkt2213func", 1, SQLITE_ANY, 0,
1045           tkt2213Function, 0, 0);
1046   }
1047   if( rc==SQLITE_OK ){
1048     rc = sqlite3_create_function(db, "pointer_change", 4, SQLITE_ANY, 0,
1049           ptrChngFunction, 0, 0);
1050   }
1051 
1052   /* Functions counter1() and counter2() have the same implementation - they
1053   ** both return an ascending integer with each call.  But counter1() is marked
1054   ** as non-deterministic and counter2() is marked as deterministic.
1055   */
1056   if( rc==SQLITE_OK ){
1057     rc = sqlite3_create_function(db, "counter1", -1, SQLITE_UTF8,
1058           0, nondeterministicFunction, 0, 0);
1059   }
1060   if( rc==SQLITE_OK ){
1061     rc = sqlite3_create_function(db, "counter2", -1, SQLITE_UTF8|SQLITE_DETERMINISTIC,
1062           0, nondeterministicFunction, 0, 0);
1063   }
1064 
1065 #ifndef SQLITE_OMIT_UTF16
1066   /* Use the sqlite3_create_function16() API here. Mainly for fun, but also
1067   ** because it is not tested anywhere else. */
1068   if( rc==SQLITE_OK ){
1069     const void *zUtf16;
1070     sqlite3_value *pVal;
1071     sqlite3_mutex_enter(db->mutex);
1072     pVal = sqlite3ValueNew(db);
1073     sqlite3ValueSetStr(pVal, -1, "x_sqlite_exec", SQLITE_UTF8, SQLITE_STATIC);
1074     zUtf16 = sqlite3ValueText(pVal, SQLITE_UTF16NATIVE);
1075     if( db->mallocFailed ){
1076       rc = SQLITE_NOMEM;
1077     }else{
1078       rc = sqlite3_create_function16(db, zUtf16,
1079                 1, SQLITE_UTF16, db, sqlite3ExecFunc, 0, 0);
1080     }
1081     sqlite3ValueFree(pVal);
1082     sqlite3_mutex_leave(db->mutex);
1083   }
1084 #endif
1085 
1086   if( sqlite3TestErrCode(interp, db, rc) ) return TCL_ERROR;
1087   Tcl_SetResult(interp, (char *)t1ErrorName(rc), 0);
1088   return TCL_OK;
1089 }
1090 
1091 /*
1092 ** Routines to implement the x_count() aggregate function.
1093 **
1094 ** x_count() counts the number of non-null arguments.  But there are
1095 ** some twists for testing purposes.
1096 **
1097 ** If the argument to x_count() is 40 then a UTF-8 error is reported
1098 ** on the step function.  If x_count(41) is seen, then a UTF-16 error
1099 ** is reported on the step function.  If the total count is 42, then
1100 ** a UTF-8 error is reported on the finalize function.
1101 */
1102 typedef struct t1CountCtx t1CountCtx;
1103 struct t1CountCtx {
1104   int n;
1105 };
1106 static void t1CountStep(
1107   sqlite3_context *context,
1108   int argc,
1109   sqlite3_value **argv
1110 ){
1111   t1CountCtx *p;
1112   p = sqlite3_aggregate_context(context, sizeof(*p));
1113   if( (argc==0 || SQLITE_NULL!=sqlite3_value_type(argv[0]) ) && p ){
1114     p->n++;
1115   }
1116   if( argc>0 ){
1117     int v = sqlite3_value_int(argv[0]);
1118     if( v==40 ){
1119       sqlite3_result_error(context, "value of 40 handed to x_count", -1);
1120 #ifndef SQLITE_OMIT_UTF16
1121     }else if( v==41 ){
1122       const char zUtf16ErrMsg[] = { 0, 0x61, 0, 0x62, 0, 0x63, 0, 0, 0};
1123       sqlite3_result_error16(context, &zUtf16ErrMsg[1-SQLITE_BIGENDIAN], -1);
1124 #endif
1125     }
1126   }
1127 }
1128 static void t1CountFinalize(sqlite3_context *context){
1129   t1CountCtx *p;
1130   p = sqlite3_aggregate_context(context, sizeof(*p));
1131   if( p ){
1132     if( p->n==42 ){
1133       sqlite3_result_error(context, "x_count totals to 42", -1);
1134     }else{
1135       sqlite3_result_int(context, p ? p->n : 0);
1136     }
1137   }
1138 }
1139 
1140 #ifndef SQLITE_OMIT_DEPRECATED
1141 static void legacyCountStep(
1142   sqlite3_context *context,
1143   int argc,
1144   sqlite3_value **argv
1145 ){
1146   /* no-op */
1147 }
1148 
1149 static void legacyCountFinalize(sqlite3_context *context){
1150   sqlite3_result_int(context, sqlite3_aggregate_count(context));
1151 }
1152 #endif
1153 
1154 /*
1155 ** Usage:  sqlite3_create_aggregate DB
1156 **
1157 ** Call the sqlite3_create_function API on the given database in order
1158 ** to create a function named "x_count".  This function is similar
1159 ** to the built-in count() function, with a few special quirks
1160 ** for testing the sqlite3_result_error() APIs.
1161 **
1162 ** The original motivation for this routine was to be able to call the
1163 ** sqlite3_create_aggregate function while a query is in progress in order
1164 ** to test the SQLITE_MISUSE detection logic.  See misuse.test.
1165 **
1166 ** This routine was later extended to test the use of sqlite3_result_error()
1167 ** within aggregate functions.
1168 **
1169 ** Later: It is now also extended to register the aggregate function
1170 ** "legacy_count()" with the supplied database handle. This is used
1171 ** to test the deprecated sqlite3_aggregate_count() API.
1172 */
1173 static int SQLITE_TCLAPI test_create_aggregate(
1174   void *NotUsed,
1175   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
1176   int argc,              /* Number of arguments */
1177   char **argv            /* Text of each argument */
1178 ){
1179   sqlite3 *db;
1180   int rc;
1181   if( argc!=2 ){
1182     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
1183        " FILENAME\"", 0);
1184     return TCL_ERROR;
1185   }
1186   if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
1187   rc = sqlite3_create_function(db, "x_count", 0, SQLITE_UTF8, 0, 0,
1188       t1CountStep,t1CountFinalize);
1189   if( rc==SQLITE_OK ){
1190     rc = sqlite3_create_function(db, "x_count", 1, SQLITE_UTF8, 0, 0,
1191         t1CountStep,t1CountFinalize);
1192   }
1193 #ifndef SQLITE_OMIT_DEPRECATED
1194   if( rc==SQLITE_OK ){
1195     rc = sqlite3_create_function(db, "legacy_count", 0, SQLITE_ANY, 0, 0,
1196         legacyCountStep, legacyCountFinalize
1197     );
1198   }
1199 #endif
1200   if( sqlite3TestErrCode(interp, db, rc) ) return TCL_ERROR;
1201   Tcl_SetResult(interp, (char *)t1ErrorName(rc), 0);
1202   return TCL_OK;
1203 }
1204 
1205 
1206 /*
1207 ** Usage:  printf TEXT
1208 **
1209 ** Send output to printf.  Use this rather than puts to merge the output
1210 ** in the correct sequence with debugging printfs inserted into C code.
1211 ** Puts uses a separate buffer and debugging statements will be out of
1212 ** sequence if it is used.
1213 */
1214 static int SQLITE_TCLAPI test_printf(
1215   void *NotUsed,
1216   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
1217   int argc,              /* Number of arguments */
1218   char **argv            /* Text of each argument */
1219 ){
1220   if( argc!=2 ){
1221     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
1222        " TEXT\"", 0);
1223     return TCL_ERROR;
1224   }
1225   printf("%s\n", argv[1]);
1226   return TCL_OK;
1227 }
1228 
1229 
1230 
1231 /*
1232 ** Usage:  sqlite3_mprintf_int FORMAT INTEGER INTEGER INTEGER
1233 **
1234 ** Call mprintf with three integer arguments
1235 */
1236 static int SQLITE_TCLAPI sqlite3_mprintf_int(
1237   void *NotUsed,
1238   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
1239   int argc,              /* Number of arguments */
1240   char **argv            /* Text of each argument */
1241 ){
1242   int a[3], i;
1243   char *z;
1244   if( argc!=5 ){
1245     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
1246        " FORMAT INT INT INT\"", 0);
1247     return TCL_ERROR;
1248   }
1249   for(i=2; i<5; i++){
1250     if( Tcl_GetInt(interp, argv[i], &a[i-2]) ) return TCL_ERROR;
1251   }
1252   z = sqlite3_mprintf(argv[1], a[0], a[1], a[2]);
1253   Tcl_AppendResult(interp, z, 0);
1254   sqlite3_free(z);
1255   return TCL_OK;
1256 }
1257 
1258 /*
1259 ** Usage:  sqlite3_mprintf_int64 FORMAT INTEGER INTEGER INTEGER
1260 **
1261 ** Call mprintf with three 64-bit integer arguments
1262 */
1263 static int SQLITE_TCLAPI sqlite3_mprintf_int64(
1264   void *NotUsed,
1265   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
1266   int argc,              /* Number of arguments */
1267   char **argv            /* Text of each argument */
1268 ){
1269   int i;
1270   sqlite_int64 a[3];
1271   char *z;
1272   if( argc!=5 ){
1273     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
1274        " FORMAT INT INT INT\"", 0);
1275     return TCL_ERROR;
1276   }
1277   for(i=2; i<5; i++){
1278     if( sqlite3Atoi64(argv[i], &a[i-2], sqlite3Strlen30(argv[i]), SQLITE_UTF8) ){
1279       Tcl_AppendResult(interp, "argument is not a valid 64-bit integer", 0);
1280       return TCL_ERROR;
1281     }
1282   }
1283   z = sqlite3_mprintf(argv[1], a[0], a[1], a[2]);
1284   Tcl_AppendResult(interp, z, 0);
1285   sqlite3_free(z);
1286   return TCL_OK;
1287 }
1288 
1289 /*
1290 ** Usage:  sqlite3_mprintf_long FORMAT INTEGER INTEGER INTEGER
1291 **
1292 ** Call mprintf with three long integer arguments.   This might be the
1293 ** same as sqlite3_mprintf_int or sqlite3_mprintf_int64, depending on
1294 ** platform.
1295 */
1296 static int SQLITE_TCLAPI sqlite3_mprintf_long(
1297   void *NotUsed,
1298   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
1299   int argc,              /* Number of arguments */
1300   char **argv            /* Text of each argument */
1301 ){
1302   int i;
1303   long int a[3];
1304   int b[3];
1305   char *z;
1306   if( argc!=5 ){
1307     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
1308        " FORMAT INT INT INT\"", 0);
1309     return TCL_ERROR;
1310   }
1311   for(i=2; i<5; i++){
1312     if( Tcl_GetInt(interp, argv[i], &b[i-2]) ) return TCL_ERROR;
1313     a[i-2] = (long int)b[i-2];
1314     a[i-2] &= (((u64)1)<<(sizeof(int)*8))-1;
1315   }
1316   z = sqlite3_mprintf(argv[1], a[0], a[1], a[2]);
1317   Tcl_AppendResult(interp, z, 0);
1318   sqlite3_free(z);
1319   return TCL_OK;
1320 }
1321 
1322 /*
1323 ** Usage:  sqlite3_mprintf_str FORMAT INTEGER INTEGER STRING
1324 **
1325 ** Call mprintf with two integer arguments and one string argument
1326 */
1327 static int SQLITE_TCLAPI sqlite3_mprintf_str(
1328   void *NotUsed,
1329   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
1330   int argc,              /* Number of arguments */
1331   char **argv            /* Text of each argument */
1332 ){
1333   int a[3], i;
1334   char *z;
1335   if( argc<4 || argc>5 ){
1336     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
1337        " FORMAT INT INT ?STRING?\"", 0);
1338     return TCL_ERROR;
1339   }
1340   for(i=2; i<4; i++){
1341     if( Tcl_GetInt(interp, argv[i], &a[i-2]) ) return TCL_ERROR;
1342   }
1343   z = sqlite3_mprintf(argv[1], a[0], a[1], argc>4 ? argv[4] : NULL);
1344   Tcl_AppendResult(interp, z, 0);
1345   sqlite3_free(z);
1346   return TCL_OK;
1347 }
1348 
1349 /*
1350 ** Usage:  sqlite3_snprintf_str INTEGER FORMAT INTEGER INTEGER STRING
1351 **
1352 ** Call mprintf with two integer arguments and one string argument
1353 */
1354 static int SQLITE_TCLAPI sqlite3_snprintf_str(
1355   void *NotUsed,
1356   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
1357   int argc,              /* Number of arguments */
1358   char **argv            /* Text of each argument */
1359 ){
1360   int a[3], i;
1361   int n;
1362   char *z;
1363   if( argc<5 || argc>6 ){
1364     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
1365        " INT FORMAT INT INT ?STRING?\"", 0);
1366     return TCL_ERROR;
1367   }
1368   if( Tcl_GetInt(interp, argv[1], &n) ) return TCL_ERROR;
1369   if( n<0 ){
1370     Tcl_AppendResult(interp, "N must be non-negative", 0);
1371     return TCL_ERROR;
1372   }
1373   for(i=3; i<5; i++){
1374     if( Tcl_GetInt(interp, argv[i], &a[i-3]) ) return TCL_ERROR;
1375   }
1376   z = sqlite3_malloc( n+1 );
1377   sqlite3_snprintf(n, z, argv[2], a[0], a[1], argc>4 ? argv[5] : NULL);
1378   Tcl_AppendResult(interp, z, 0);
1379   sqlite3_free(z);
1380   return TCL_OK;
1381 }
1382 
1383 /*
1384 ** Usage:  sqlite3_mprintf_double FORMAT INTEGER INTEGER DOUBLE
1385 **
1386 ** Call mprintf with two integer arguments and one double argument
1387 */
1388 static int SQLITE_TCLAPI sqlite3_mprintf_double(
1389   void *NotUsed,
1390   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
1391   int argc,              /* Number of arguments */
1392   char **argv            /* Text of each argument */
1393 ){
1394   int a[3], i;
1395   double r;
1396   char *z;
1397   if( argc!=5 ){
1398     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
1399        " FORMAT INT INT DOUBLE\"", 0);
1400     return TCL_ERROR;
1401   }
1402   for(i=2; i<4; i++){
1403     if( Tcl_GetInt(interp, argv[i], &a[i-2]) ) return TCL_ERROR;
1404   }
1405   if( Tcl_GetDouble(interp, argv[4], &r) ) return TCL_ERROR;
1406   z = sqlite3_mprintf(argv[1], a[0], a[1], r);
1407   Tcl_AppendResult(interp, z, 0);
1408   sqlite3_free(z);
1409   return TCL_OK;
1410 }
1411 
1412 /*
1413 ** Usage:  sqlite3_mprintf_scaled FORMAT DOUBLE DOUBLE
1414 **
1415 ** Call mprintf with a single double argument which is the product of the
1416 ** two arguments given above.  This is used to generate overflow and underflow
1417 ** doubles to test that they are converted properly.
1418 */
1419 static int SQLITE_TCLAPI sqlite3_mprintf_scaled(
1420   void *NotUsed,
1421   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
1422   int argc,              /* Number of arguments */
1423   char **argv            /* Text of each argument */
1424 ){
1425   int i;
1426   double r[2];
1427   char *z;
1428   if( argc!=4 ){
1429     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
1430        " FORMAT DOUBLE DOUBLE\"", 0);
1431     return TCL_ERROR;
1432   }
1433   for(i=2; i<4; i++){
1434     if( Tcl_GetDouble(interp, argv[i], &r[i-2]) ) return TCL_ERROR;
1435   }
1436   z = sqlite3_mprintf(argv[1], r[0]*r[1]);
1437   Tcl_AppendResult(interp, z, 0);
1438   sqlite3_free(z);
1439   return TCL_OK;
1440 }
1441 
1442 /*
1443 ** Usage:  sqlite3_mprintf_stronly FORMAT STRING
1444 **
1445 ** Call mprintf with a single double argument which is the product of the
1446 ** two arguments given above.  This is used to generate overflow and underflow
1447 ** doubles to test that they are converted properly.
1448 */
1449 static int SQLITE_TCLAPI sqlite3_mprintf_stronly(
1450   void *NotUsed,
1451   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
1452   int argc,              /* Number of arguments */
1453   char **argv            /* Text of each argument */
1454 ){
1455   char *z;
1456   if( argc!=3 ){
1457     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
1458        " FORMAT STRING\"", 0);
1459     return TCL_ERROR;
1460   }
1461   z = sqlite3_mprintf(argv[1], argv[2]);
1462   Tcl_AppendResult(interp, z, 0);
1463   sqlite3_free(z);
1464   return TCL_OK;
1465 }
1466 
1467 /*
1468 ** Usage:  sqlite3_mprintf_hexdouble FORMAT HEX
1469 **
1470 ** Call mprintf with a single double argument which is derived from the
1471 ** hexadecimal encoding of an IEEE double.
1472 */
1473 static int SQLITE_TCLAPI sqlite3_mprintf_hexdouble(
1474   void *NotUsed,
1475   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
1476   int argc,              /* Number of arguments */
1477   char **argv            /* Text of each argument */
1478 ){
1479   char *z;
1480   double r;
1481   unsigned int x1, x2;
1482   sqlite_uint64 d;
1483   if( argc!=3 ){
1484     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
1485        " FORMAT STRING\"", 0);
1486     return TCL_ERROR;
1487   }
1488   if( sscanf(argv[2], "%08x%08x", &x2, &x1)!=2 ){
1489     Tcl_AppendResult(interp, "2nd argument should be 16-characters of hex", 0);
1490     return TCL_ERROR;
1491   }
1492   d = x2;
1493   d = (d<<32) + x1;
1494   memcpy(&r, &d, sizeof(r));
1495   z = sqlite3_mprintf(argv[1], r);
1496   Tcl_AppendResult(interp, z, 0);
1497   sqlite3_free(z);
1498   return TCL_OK;
1499 }
1500 
1501 /*
1502 ** Usage: sqlite3_enable_shared_cache ?BOOLEAN?
1503 **
1504 */
1505 #if !defined(SQLITE_OMIT_SHARED_CACHE)
1506 static int SQLITE_TCLAPI test_enable_shared(
1507   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
1508   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
1509   int objc,              /* Number of arguments */
1510   Tcl_Obj *CONST objv[]  /* Command arguments */
1511 ){
1512   int rc;
1513   int enable;
1514   int ret = 0;
1515 
1516   if( objc!=2 && objc!=1 ){
1517     Tcl_WrongNumArgs(interp, 1, objv, "?BOOLEAN?");
1518     return TCL_ERROR;
1519   }
1520   ret = sqlite3GlobalConfig.sharedCacheEnabled;
1521 
1522   if( objc==2 ){
1523     if( Tcl_GetBooleanFromObj(interp, objv[1], &enable) ){
1524       return TCL_ERROR;
1525     }
1526     rc = sqlite3_enable_shared_cache(enable);
1527     if( rc!=SQLITE_OK ){
1528       Tcl_SetResult(interp, (char *)sqlite3ErrStr(rc), TCL_STATIC);
1529       return TCL_ERROR;
1530     }
1531   }
1532   Tcl_SetObjResult(interp, Tcl_NewBooleanObj(ret));
1533   return TCL_OK;
1534 }
1535 #endif
1536 
1537 
1538 
1539 /*
1540 ** Usage: sqlite3_extended_result_codes   DB    BOOLEAN
1541 **
1542 */
1543 static int SQLITE_TCLAPI test_extended_result_codes(
1544   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
1545   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
1546   int objc,              /* Number of arguments */
1547   Tcl_Obj *CONST objv[]  /* Command arguments */
1548 ){
1549   int enable;
1550   sqlite3 *db;
1551 
1552   if( objc!=3 ){
1553     Tcl_WrongNumArgs(interp, 1, objv, "DB BOOLEAN");
1554     return TCL_ERROR;
1555   }
1556   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
1557   if( Tcl_GetBooleanFromObj(interp, objv[2], &enable) ) return TCL_ERROR;
1558   sqlite3_extended_result_codes(db, enable);
1559   return TCL_OK;
1560 }
1561 
1562 /*
1563 ** Usage: sqlite3_libversion_number
1564 **
1565 */
1566 static int SQLITE_TCLAPI test_libversion_number(
1567   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
1568   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
1569   int objc,              /* Number of arguments */
1570   Tcl_Obj *CONST objv[]  /* Command arguments */
1571 ){
1572   Tcl_SetObjResult(interp, Tcl_NewIntObj(sqlite3_libversion_number()));
1573   return TCL_OK;
1574 }
1575 
1576 /*
1577 ** Usage: sqlite3_table_column_metadata DB dbname tblname colname
1578 **
1579 */
1580 static int SQLITE_TCLAPI test_table_column_metadata(
1581   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
1582   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
1583   int objc,              /* Number of arguments */
1584   Tcl_Obj *CONST objv[]  /* Command arguments */
1585 ){
1586   sqlite3 *db;
1587   const char *zDb;
1588   const char *zTbl;
1589   const char *zCol;
1590   int rc;
1591   Tcl_Obj *pRet;
1592 
1593   const char *zDatatype;
1594   const char *zCollseq;
1595   int notnull;
1596   int primarykey;
1597   int autoincrement;
1598 
1599   if( objc!=5 && objc!=4 ){
1600     Tcl_WrongNumArgs(interp, 1, objv, "DB dbname tblname colname");
1601     return TCL_ERROR;
1602   }
1603   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
1604   zDb = Tcl_GetString(objv[2]);
1605   zTbl = Tcl_GetString(objv[3]);
1606   zCol = objc==5 ? Tcl_GetString(objv[4]) : 0;
1607 
1608   if( strlen(zDb)==0 ) zDb = 0;
1609 
1610   rc = sqlite3_table_column_metadata(db, zDb, zTbl, zCol,
1611       &zDatatype, &zCollseq, &notnull, &primarykey, &autoincrement);
1612 
1613   if( rc!=SQLITE_OK ){
1614     Tcl_AppendResult(interp, sqlite3_errmsg(db), 0);
1615     return TCL_ERROR;
1616   }
1617 
1618   pRet = Tcl_NewObj();
1619   Tcl_ListObjAppendElement(0, pRet, Tcl_NewStringObj(zDatatype, -1));
1620   Tcl_ListObjAppendElement(0, pRet, Tcl_NewStringObj(zCollseq, -1));
1621   Tcl_ListObjAppendElement(0, pRet, Tcl_NewIntObj(notnull));
1622   Tcl_ListObjAppendElement(0, pRet, Tcl_NewIntObj(primarykey));
1623   Tcl_ListObjAppendElement(0, pRet, Tcl_NewIntObj(autoincrement));
1624   Tcl_SetObjResult(interp, pRet);
1625 
1626   return TCL_OK;
1627 }
1628 
1629 #ifndef SQLITE_OMIT_INCRBLOB
1630 
1631 static int SQLITE_TCLAPI blobHandleFromObj(
1632   Tcl_Interp *interp,
1633   Tcl_Obj *pObj,
1634   sqlite3_blob **ppBlob
1635 ){
1636   char *z;
1637   int n;
1638 
1639   z = Tcl_GetStringFromObj(pObj, &n);
1640   if( n==0 ){
1641     *ppBlob = 0;
1642   }else{
1643     int notUsed;
1644     Tcl_Channel channel;
1645     ClientData instanceData;
1646 
1647     channel = Tcl_GetChannel(interp, z, &notUsed);
1648     if( !channel ) return TCL_ERROR;
1649 
1650     Tcl_Flush(channel);
1651     Tcl_Seek(channel, 0, SEEK_SET);
1652 
1653     instanceData = Tcl_GetChannelInstanceData(channel);
1654     *ppBlob = *((sqlite3_blob **)instanceData);
1655   }
1656 
1657   return TCL_OK;
1658 }
1659 
1660 static int SQLITE_TCLAPI test_blob_reopen(
1661   ClientData clientData, /* Not used */
1662   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
1663   int objc,              /* Number of arguments */
1664   Tcl_Obj *CONST objv[]  /* Command arguments */
1665 ){
1666   Tcl_WideInt iRowid;
1667   sqlite3_blob *pBlob;
1668   int rc;
1669 
1670   if( objc!=3 ){
1671     Tcl_WrongNumArgs(interp, 1, objv, "CHANNEL ROWID");
1672     return TCL_ERROR;
1673   }
1674 
1675   if( blobHandleFromObj(interp, objv[1], &pBlob) ) return TCL_ERROR;
1676   if( Tcl_GetWideIntFromObj(interp, objv[2], &iRowid) ) return TCL_ERROR;
1677 
1678   rc = sqlite3_blob_reopen(pBlob, iRowid);
1679   if( rc!=SQLITE_OK ){
1680     Tcl_SetResult(interp, (char *)sqlite3ErrName(rc), TCL_VOLATILE);
1681   }
1682 
1683   return (rc==SQLITE_OK ? TCL_OK : TCL_ERROR);
1684 }
1685 
1686 #endif
1687 
1688 /*
1689 ** Usage: sqlite3_create_collation_v2 DB-HANDLE NAME CMP-PROC DEL-PROC
1690 **
1691 **   This Tcl proc is used for testing the experimental
1692 **   sqlite3_create_collation_v2() interface.
1693 */
1694 struct TestCollationX {
1695   Tcl_Interp *interp;
1696   Tcl_Obj *pCmp;
1697   Tcl_Obj *pDel;
1698 };
1699 typedef struct TestCollationX TestCollationX;
1700 static void testCreateCollationDel(void *pCtx){
1701   TestCollationX *p = (TestCollationX *)pCtx;
1702 
1703   int rc = Tcl_EvalObjEx(p->interp, p->pDel, TCL_EVAL_DIRECT|TCL_EVAL_GLOBAL);
1704   if( rc!=TCL_OK ){
1705     Tcl_BackgroundError(p->interp);
1706   }
1707 
1708   Tcl_DecrRefCount(p->pCmp);
1709   Tcl_DecrRefCount(p->pDel);
1710   sqlite3_free((void *)p);
1711 }
1712 static int testCreateCollationCmp(
1713   void *pCtx,
1714   int nLeft,
1715   const void *zLeft,
1716   int nRight,
1717   const void *zRight
1718 ){
1719   TestCollationX *p = (TestCollationX *)pCtx;
1720   Tcl_Obj *pScript = Tcl_DuplicateObj(p->pCmp);
1721   int iRes = 0;
1722 
1723   Tcl_IncrRefCount(pScript);
1724   Tcl_ListObjAppendElement(0, pScript, Tcl_NewStringObj((char *)zLeft, nLeft));
1725   Tcl_ListObjAppendElement(0, pScript, Tcl_NewStringObj((char *)zRight,nRight));
1726 
1727   if( TCL_OK!=Tcl_EvalObjEx(p->interp, pScript, TCL_EVAL_DIRECT|TCL_EVAL_GLOBAL)
1728    || TCL_OK!=Tcl_GetIntFromObj(p->interp, Tcl_GetObjResult(p->interp), &iRes)
1729   ){
1730     Tcl_BackgroundError(p->interp);
1731   }
1732   Tcl_DecrRefCount(pScript);
1733 
1734   return iRes;
1735 }
1736 static int SQLITE_TCLAPI test_create_collation_v2(
1737   ClientData clientData, /* Not used */
1738   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
1739   int objc,              /* Number of arguments */
1740   Tcl_Obj *CONST objv[]  /* Command arguments */
1741 ){
1742   TestCollationX *p;
1743   sqlite3 *db;
1744   int rc;
1745 
1746   if( objc!=5 ){
1747     Tcl_WrongNumArgs(interp, 1, objv, "DB-HANDLE NAME CMP-PROC DEL-PROC");
1748     return TCL_ERROR;
1749   }
1750   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
1751 
1752   p = (TestCollationX *)sqlite3_malloc(sizeof(TestCollationX));
1753   p->pCmp = objv[3];
1754   p->pDel = objv[4];
1755   p->interp = interp;
1756   Tcl_IncrRefCount(p->pCmp);
1757   Tcl_IncrRefCount(p->pDel);
1758 
1759   rc = sqlite3_create_collation_v2(db, Tcl_GetString(objv[2]), 16,
1760       (void *)p, testCreateCollationCmp, testCreateCollationDel
1761   );
1762   if( rc!=SQLITE_MISUSE ){
1763     Tcl_AppendResult(interp, "sqlite3_create_collate_v2() failed to detect "
1764       "an invalid encoding", (char*)0);
1765     return TCL_ERROR;
1766   }
1767   rc = sqlite3_create_collation_v2(db, Tcl_GetString(objv[2]), SQLITE_UTF8,
1768       (void *)p, testCreateCollationCmp, testCreateCollationDel
1769   );
1770   return TCL_OK;
1771 }
1772 
1773 /*
1774 ** USAGE: sqlite3_create_function_v2 DB NAME NARG ENC ?SWITCHES?
1775 **
1776 ** Available switches are:
1777 **
1778 **   -func    SCRIPT
1779 **   -step    SCRIPT
1780 **   -final   SCRIPT
1781 **   -destroy SCRIPT
1782 */
1783 typedef struct CreateFunctionV2 CreateFunctionV2;
1784 struct CreateFunctionV2 {
1785   Tcl_Interp *interp;
1786   Tcl_Obj *pFunc;                 /* Script for function invocation */
1787   Tcl_Obj *pStep;                 /* Script for agg. step invocation */
1788   Tcl_Obj *pFinal;                /* Script for agg. finalization invocation */
1789   Tcl_Obj *pDestroy;              /* Destructor script */
1790 };
1791 static void cf2Func(sqlite3_context *ctx, int nArg, sqlite3_value **aArg){
1792 }
1793 static void cf2Step(sqlite3_context *ctx, int nArg, sqlite3_value **aArg){
1794 }
1795 static void cf2Final(sqlite3_context *ctx){
1796 }
1797 static void cf2Destroy(void *pUser){
1798   CreateFunctionV2 *p = (CreateFunctionV2 *)pUser;
1799 
1800   if( p->interp && p->pDestroy ){
1801     int rc = Tcl_EvalObjEx(p->interp, p->pDestroy, 0);
1802     if( rc!=TCL_OK ) Tcl_BackgroundError(p->interp);
1803   }
1804 
1805   if( p->pFunc ) Tcl_DecrRefCount(p->pFunc);
1806   if( p->pStep ) Tcl_DecrRefCount(p->pStep);
1807   if( p->pFinal ) Tcl_DecrRefCount(p->pFinal);
1808   if( p->pDestroy ) Tcl_DecrRefCount(p->pDestroy);
1809   sqlite3_free(p);
1810 }
1811 static int SQLITE_TCLAPI test_create_function_v2(
1812   ClientData clientData,          /* Not used */
1813   Tcl_Interp *interp,             /* The invoking TCL interpreter */
1814   int objc,                       /* Number of arguments */
1815   Tcl_Obj *CONST objv[]           /* Command arguments */
1816 ){
1817   sqlite3 *db;
1818   const char *zFunc;
1819   int nArg;
1820   int enc;
1821   CreateFunctionV2 *p;
1822   int i;
1823   int rc;
1824 
1825   struct EncTable {
1826     const char *zEnc;
1827     int enc;
1828   } aEnc[] = {
1829     {"utf8",    SQLITE_UTF8 },
1830     {"utf16",   SQLITE_UTF16 },
1831     {"utf16le", SQLITE_UTF16LE },
1832     {"utf16be", SQLITE_UTF16BE },
1833     {"any",     SQLITE_ANY },
1834     {"0", 0 }
1835   };
1836 
1837   if( objc<5 || (objc%2)==0 ){
1838     Tcl_WrongNumArgs(interp, 1, objv, "DB NAME NARG ENC SWITCHES...");
1839     return TCL_ERROR;
1840   }
1841 
1842   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
1843   zFunc = Tcl_GetString(objv[2]);
1844   if( Tcl_GetIntFromObj(interp, objv[3], &nArg) ) return TCL_ERROR;
1845   if( Tcl_GetIndexFromObjStruct(interp, objv[4], aEnc, sizeof(aEnc[0]),
1846           "encoding", 0, &enc)
1847   ){
1848     return TCL_ERROR;
1849   }
1850   enc = aEnc[enc].enc;
1851 
1852   p = sqlite3_malloc(sizeof(CreateFunctionV2));
1853   assert( p );
1854   memset(p, 0, sizeof(CreateFunctionV2));
1855   p->interp = interp;
1856 
1857   for(i=5; i<objc; i+=2){
1858     int iSwitch;
1859     const char *azSwitch[] = {"-func", "-step", "-final", "-destroy", 0};
1860     if( Tcl_GetIndexFromObj(interp, objv[i], azSwitch, "switch", 0, &iSwitch) ){
1861       sqlite3_free(p);
1862       return TCL_ERROR;
1863     }
1864 
1865     switch( iSwitch ){
1866       case 0: p->pFunc = objv[i+1];      break;
1867       case 1: p->pStep = objv[i+1];      break;
1868       case 2: p->pFinal = objv[i+1];     break;
1869       case 3: p->pDestroy = objv[i+1];   break;
1870     }
1871   }
1872   if( p->pFunc ) p->pFunc = Tcl_DuplicateObj(p->pFunc);
1873   if( p->pStep ) p->pStep = Tcl_DuplicateObj(p->pStep);
1874   if( p->pFinal ) p->pFinal = Tcl_DuplicateObj(p->pFinal);
1875   if( p->pDestroy ) p->pDestroy = Tcl_DuplicateObj(p->pDestroy);
1876 
1877   if( p->pFunc ) Tcl_IncrRefCount(p->pFunc);
1878   if( p->pStep ) Tcl_IncrRefCount(p->pStep);
1879   if( p->pFinal ) Tcl_IncrRefCount(p->pFinal);
1880   if( p->pDestroy ) Tcl_IncrRefCount(p->pDestroy);
1881 
1882   rc = sqlite3_create_function_v2(db, zFunc, nArg, enc, (void *)p,
1883       (p->pFunc ? cf2Func : 0),
1884       (p->pStep ? cf2Step : 0),
1885       (p->pFinal ? cf2Final : 0),
1886       cf2Destroy
1887   );
1888   if( rc!=SQLITE_OK ){
1889     Tcl_ResetResult(interp);
1890     Tcl_AppendResult(interp, sqlite3ErrName(rc), 0);
1891     return TCL_ERROR;
1892   }
1893   return TCL_OK;
1894 }
1895 
1896 /*
1897 ** Usage: sqlite3_load_extension DB-HANDLE FILE ?PROC?
1898 */
1899 static int SQLITE_TCLAPI test_load_extension(
1900   ClientData clientData, /* Not used */
1901   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
1902   int objc,              /* Number of arguments */
1903   Tcl_Obj *CONST objv[]  /* Command arguments */
1904 ){
1905   Tcl_CmdInfo cmdInfo;
1906   sqlite3 *db;
1907   int rc;
1908   char *zDb;
1909   char *zFile;
1910   char *zProc = 0;
1911   char *zErr = 0;
1912 
1913   if( objc!=4 && objc!=3 ){
1914     Tcl_WrongNumArgs(interp, 1, objv, "DB-HANDLE FILE ?PROC?");
1915     return TCL_ERROR;
1916   }
1917   zDb = Tcl_GetString(objv[1]);
1918   zFile = Tcl_GetString(objv[2]);
1919   if( objc==4 ){
1920     zProc = Tcl_GetString(objv[3]);
1921   }
1922 
1923   /* Extract the C database handle from the Tcl command name */
1924   if( !Tcl_GetCommandInfo(interp, zDb, &cmdInfo) ){
1925     Tcl_AppendResult(interp, "command not found: ", zDb, (char*)0);
1926     return TCL_ERROR;
1927   }
1928   db = ((struct SqliteDb*)cmdInfo.objClientData)->db;
1929   assert(db);
1930 
1931   /* Call the underlying C function. If an error occurs, set rc to
1932   ** TCL_ERROR and load any error string into the interpreter. If no
1933   ** error occurs, set rc to TCL_OK.
1934   */
1935 #ifdef SQLITE_OMIT_LOAD_EXTENSION
1936   rc = SQLITE_ERROR;
1937   zErr = sqlite3_mprintf("this build omits sqlite3_load_extension()");
1938   (void)zProc;
1939   (void)zFile;
1940 #else
1941   rc = sqlite3_load_extension(db, zFile, zProc, &zErr);
1942 #endif
1943   if( rc!=SQLITE_OK ){
1944     Tcl_SetResult(interp, zErr ? zErr : "", TCL_VOLATILE);
1945     rc = TCL_ERROR;
1946   }else{
1947     rc = TCL_OK;
1948   }
1949   sqlite3_free(zErr);
1950 
1951   return rc;
1952 }
1953 
1954 /*
1955 ** Usage: sqlite3_enable_load_extension DB-HANDLE ONOFF
1956 */
1957 static int SQLITE_TCLAPI test_enable_load(
1958   ClientData clientData, /* Not used */
1959   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
1960   int objc,              /* Number of arguments */
1961   Tcl_Obj *CONST objv[]  /* Command arguments */
1962 ){
1963   Tcl_CmdInfo cmdInfo;
1964   sqlite3 *db;
1965   char *zDb;
1966   int onoff;
1967 
1968   if( objc!=3 ){
1969     Tcl_WrongNumArgs(interp, 1, objv, "DB-HANDLE ONOFF");
1970     return TCL_ERROR;
1971   }
1972   zDb = Tcl_GetString(objv[1]);
1973 
1974   /* Extract the C database handle from the Tcl command name */
1975   if( !Tcl_GetCommandInfo(interp, zDb, &cmdInfo) ){
1976     Tcl_AppendResult(interp, "command not found: ", zDb, (char*)0);
1977     return TCL_ERROR;
1978   }
1979   db = ((struct SqliteDb*)cmdInfo.objClientData)->db;
1980   assert(db);
1981 
1982   /* Get the onoff parameter */
1983   if( Tcl_GetBooleanFromObj(interp, objv[2], &onoff) ){
1984     return TCL_ERROR;
1985   }
1986 
1987 #ifdef SQLITE_OMIT_LOAD_EXTENSION
1988   Tcl_AppendResult(interp, "this build omits sqlite3_load_extension()");
1989   return TCL_ERROR;
1990 #else
1991   sqlite3_enable_load_extension(db, onoff);
1992   return TCL_OK;
1993 #endif
1994 }
1995 
1996 /*
1997 ** Usage:  sqlite_abort
1998 **
1999 ** Shutdown the process immediately.  This is not a clean shutdown.
2000 ** This command is used to test the recoverability of a database in
2001 ** the event of a program crash.
2002 */
2003 static int SQLITE_TCLAPI sqlite_abort(
2004   void *NotUsed,
2005   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
2006   int argc,              /* Number of arguments */
2007   char **argv            /* Text of each argument */
2008 ){
2009 #if defined(_MSC_VER)
2010   /* We do this, otherwise the test will halt with a popup message
2011    * that we have to click away before the test will continue.
2012    */
2013   _set_abort_behavior( 0, _CALL_REPORTFAULT );
2014 #endif
2015   exit(255);
2016   assert( interp==0 );   /* This will always fail */
2017   return TCL_OK;
2018 }
2019 
2020 /*
2021 ** The following routine is a user-defined SQL function whose purpose
2022 ** is to test the sqlite_set_result() API.
2023 */
2024 static void testFunc(sqlite3_context *context, int argc, sqlite3_value **argv){
2025   while( argc>=2 ){
2026     const char *zArg0 = (char*)sqlite3_value_text(argv[0]);
2027     if( zArg0 ){
2028       if( 0==sqlite3StrICmp(zArg0, "int") ){
2029         sqlite3_result_int(context, sqlite3_value_int(argv[1]));
2030       }else if( sqlite3StrICmp(zArg0,"int64")==0 ){
2031         sqlite3_result_int64(context, sqlite3_value_int64(argv[1]));
2032       }else if( sqlite3StrICmp(zArg0,"string")==0 ){
2033         sqlite3_result_text(context, (char*)sqlite3_value_text(argv[1]), -1,
2034             SQLITE_TRANSIENT);
2035       }else if( sqlite3StrICmp(zArg0,"double")==0 ){
2036         sqlite3_result_double(context, sqlite3_value_double(argv[1]));
2037       }else if( sqlite3StrICmp(zArg0,"null")==0 ){
2038         sqlite3_result_null(context);
2039       }else if( sqlite3StrICmp(zArg0,"value")==0 ){
2040         sqlite3_result_value(context, argv[sqlite3_value_int(argv[1])]);
2041       }else{
2042         goto error_out;
2043       }
2044     }else{
2045       goto error_out;
2046     }
2047     argc -= 2;
2048     argv += 2;
2049   }
2050   return;
2051 
2052 error_out:
2053   sqlite3_result_error(context,"first argument should be one of: "
2054       "int int64 string double null value", -1);
2055 }
2056 
2057 /*
2058 ** Usage:   sqlite_register_test_function  DB  NAME
2059 **
2060 ** Register the test SQL function on the database DB under the name NAME.
2061 */
2062 static int SQLITE_TCLAPI test_register_func(
2063   void *NotUsed,
2064   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
2065   int argc,              /* Number of arguments */
2066   char **argv            /* Text of each argument */
2067 ){
2068   sqlite3 *db;
2069   int rc;
2070   if( argc!=3 ){
2071     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
2072        " DB FUNCTION-NAME", 0);
2073     return TCL_ERROR;
2074   }
2075   if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
2076   rc = sqlite3_create_function(db, argv[2], -1, SQLITE_UTF8, 0,
2077       testFunc, 0, 0);
2078   if( rc!=0 ){
2079     Tcl_AppendResult(interp, sqlite3ErrStr(rc), 0);
2080     return TCL_ERROR;
2081   }
2082   if( sqlite3TestErrCode(interp, db, rc) ) return TCL_ERROR;
2083   return TCL_OK;
2084 }
2085 
2086 /*
2087 ** Usage:  sqlite3_finalize  STMT
2088 **
2089 ** Finalize a statement handle.
2090 */
2091 static int SQLITE_TCLAPI test_finalize(
2092   void * clientData,
2093   Tcl_Interp *interp,
2094   int objc,
2095   Tcl_Obj *CONST objv[]
2096 ){
2097   sqlite3_stmt *pStmt;
2098   int rc;
2099   sqlite3 *db = 0;
2100 
2101   if( objc!=2 ){
2102     Tcl_AppendResult(interp, "wrong # args: should be \"",
2103         Tcl_GetStringFromObj(objv[0], 0), " <STMT>", 0);
2104     return TCL_ERROR;
2105   }
2106 
2107   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
2108 
2109   if( pStmt ){
2110     db = StmtToDb(pStmt);
2111   }
2112   rc = sqlite3_finalize(pStmt);
2113   Tcl_SetResult(interp, (char *)t1ErrorName(rc), TCL_STATIC);
2114   if( db && sqlite3TestErrCode(interp, db, rc) ) return TCL_ERROR;
2115   return TCL_OK;
2116 }
2117 
2118 /*
2119 ** Usage:  sqlite3_stmt_status  STMT  CODE  RESETFLAG
2120 **
2121 ** Get the value of a status counter from a statement.
2122 */
2123 static int SQLITE_TCLAPI test_stmt_status(
2124   void * clientData,
2125   Tcl_Interp *interp,
2126   int objc,
2127   Tcl_Obj *CONST objv[]
2128 ){
2129   int iValue;
2130   int i, op = 0, resetFlag;
2131   const char *zOpName;
2132   sqlite3_stmt *pStmt;
2133 
2134   static const struct {
2135     const char *zName;
2136     int op;
2137   } aOp[] = {
2138     { "SQLITE_STMTSTATUS_FULLSCAN_STEP",   SQLITE_STMTSTATUS_FULLSCAN_STEP   },
2139     { "SQLITE_STMTSTATUS_SORT",            SQLITE_STMTSTATUS_SORT            },
2140     { "SQLITE_STMTSTATUS_AUTOINDEX",       SQLITE_STMTSTATUS_AUTOINDEX       },
2141     { "SQLITE_STMTSTATUS_VM_STEP",         SQLITE_STMTSTATUS_VM_STEP         },
2142     { "SQLITE_STMTSTATUS_REPREPARE",       SQLITE_STMTSTATUS_REPREPARE       },
2143     { "SQLITE_STMTSTATUS_RUN",             SQLITE_STMTSTATUS_RUN             },
2144     { "SQLITE_STMTSTATUS_MEMUSED",         SQLITE_STMTSTATUS_MEMUSED         },
2145   };
2146   if( objc!=4 ){
2147     Tcl_WrongNumArgs(interp, 1, objv, "STMT PARAMETER RESETFLAG");
2148     return TCL_ERROR;
2149   }
2150   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
2151   zOpName = Tcl_GetString(objv[2]);
2152   for(i=0; i<ArraySize(aOp); i++){
2153     if( strcmp(aOp[i].zName, zOpName)==0 ){
2154       op = aOp[i].op;
2155       break;
2156     }
2157   }
2158   if( i>=ArraySize(aOp) ){
2159     if( Tcl_GetIntFromObj(interp, objv[2], &op) ) return TCL_ERROR;
2160   }
2161   if( Tcl_GetBooleanFromObj(interp, objv[3], &resetFlag) ) return TCL_ERROR;
2162   iValue = sqlite3_stmt_status(pStmt, op, resetFlag);
2163   Tcl_SetObjResult(interp, Tcl_NewIntObj(iValue));
2164   return TCL_OK;
2165 }
2166 
2167 #ifdef SQLITE_ENABLE_STMT_SCANSTATUS
2168 /*
2169 ** Usage:  sqlite3_stmt_scanstatus STMT IDX
2170 */
2171 static int SQLITE_TCLAPI test_stmt_scanstatus(
2172   void * clientData,
2173   Tcl_Interp *interp,
2174   int objc,
2175   Tcl_Obj *CONST objv[]
2176 ){
2177   sqlite3_stmt *pStmt;            /* First argument */
2178   int idx;                        /* Second argument */
2179 
2180   const char *zName;
2181   const char *zExplain;
2182   sqlite3_int64 nLoop;
2183   sqlite3_int64 nVisit;
2184   double rEst;
2185   int res;
2186 
2187   if( objc!=3 ){
2188     Tcl_WrongNumArgs(interp, 1, objv, "STMT IDX");
2189     return TCL_ERROR;
2190   }
2191   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
2192   if( Tcl_GetIntFromObj(interp, objv[2], &idx) ) return TCL_ERROR;
2193 
2194   res = sqlite3_stmt_scanstatus(pStmt, idx, SQLITE_SCANSTAT_NLOOP, (void*)&nLoop);
2195   if( res==0 ){
2196     Tcl_Obj *pRet = Tcl_NewObj();
2197     Tcl_ListObjAppendElement(0, pRet, Tcl_NewStringObj("nLoop", -1));
2198     Tcl_ListObjAppendElement(0, pRet, Tcl_NewWideIntObj(nLoop));
2199     sqlite3_stmt_scanstatus(pStmt, idx, SQLITE_SCANSTAT_NVISIT, (void*)&nVisit);
2200     Tcl_ListObjAppendElement(0, pRet, Tcl_NewStringObj("nVisit", -1));
2201     Tcl_ListObjAppendElement(0, pRet, Tcl_NewWideIntObj(nVisit));
2202     sqlite3_stmt_scanstatus(pStmt, idx, SQLITE_SCANSTAT_EST, (void*)&rEst);
2203     Tcl_ListObjAppendElement(0, pRet, Tcl_NewStringObj("nEst", -1));
2204     Tcl_ListObjAppendElement(0, pRet, Tcl_NewDoubleObj(rEst));
2205     sqlite3_stmt_scanstatus(pStmt, idx, SQLITE_SCANSTAT_NAME, (void*)&zName);
2206     Tcl_ListObjAppendElement(0, pRet, Tcl_NewStringObj("zName", -1));
2207     Tcl_ListObjAppendElement(0, pRet, Tcl_NewStringObj(zName, -1));
2208     sqlite3_stmt_scanstatus(pStmt, idx, SQLITE_SCANSTAT_EXPLAIN, (void*)&zExplain);
2209     Tcl_ListObjAppendElement(0, pRet, Tcl_NewStringObj("zExplain", -1));
2210     Tcl_ListObjAppendElement(0, pRet, Tcl_NewStringObj(zExplain, -1));
2211     Tcl_SetObjResult(interp, pRet);
2212   }else{
2213     Tcl_ResetResult(interp);
2214   }
2215   return TCL_OK;
2216 }
2217 
2218 /*
2219 ** Usage:  sqlite3_stmt_scanstatus_reset  STMT
2220 */
2221 static int SQLITE_TCLAPI test_stmt_scanstatus_reset(
2222   void * clientData,
2223   Tcl_Interp *interp,
2224   int objc,
2225   Tcl_Obj *CONST objv[]
2226 ){
2227   sqlite3_stmt *pStmt;            /* First argument */
2228   if( objc!=2 ){
2229     Tcl_WrongNumArgs(interp, 1, objv, "STMT");
2230     return TCL_ERROR;
2231   }
2232   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
2233   sqlite3_stmt_scanstatus_reset(pStmt);
2234   return TCL_OK;
2235 }
2236 #endif
2237 
2238 #ifdef SQLITE_ENABLE_SQLLOG
2239 /*
2240 ** Usage:  sqlite3_config_sqllog
2241 **
2242 ** Zero the SQLITE_CONFIG_SQLLOG configuration
2243 */
2244 static int SQLITE_TCLAPI test_config_sqllog(
2245   void * clientData,
2246   Tcl_Interp *interp,
2247   int objc,
2248   Tcl_Obj *CONST objv[]
2249 ){
2250   if( objc!=1 ){
2251     Tcl_WrongNumArgs(interp, 1, objv, "");
2252     return TCL_ERROR;
2253   }
2254   sqlite3_config(SQLITE_CONFIG_SQLLOG, 0, 0);
2255   return TCL_OK;
2256 }
2257 #endif
2258 
2259 /*
2260 ** Usage: vfs_current_time_int64
2261 **
2262 ** Return the value returned by the default VFS's xCurrentTimeInt64 method.
2263 */
2264 static int SQLITE_TCLAPI vfsCurrentTimeInt64(
2265   void * clientData,
2266   Tcl_Interp *interp,
2267   int objc,
2268   Tcl_Obj *CONST objv[]
2269 ){
2270   i64 t;
2271   sqlite3_vfs *pVfs = sqlite3_vfs_find(0);
2272   if( objc!=1 ){
2273     Tcl_WrongNumArgs(interp, 1, objv, "");
2274     return TCL_ERROR;
2275   }
2276   pVfs->xCurrentTimeInt64(pVfs, &t);
2277   Tcl_SetObjResult(interp, Tcl_NewWideIntObj(t));
2278   return TCL_OK;
2279 }
2280 
2281 #ifdef SQLITE_ENABLE_SNAPSHOT
2282 /*
2283 ** Usage: sqlite3_snapshot_get DB DBNAME
2284 */
2285 static int SQLITE_TCLAPI test_snapshot_get(
2286   void * clientData,
2287   Tcl_Interp *interp,
2288   int objc,
2289   Tcl_Obj *CONST objv[]
2290 ){
2291   int rc;
2292   sqlite3 *db;
2293   char *zName;
2294   sqlite3_snapshot *pSnapshot = 0;
2295 
2296   if( objc!=3 ){
2297     Tcl_WrongNumArgs(interp, 1, objv, "DB DBNAME");
2298     return TCL_ERROR;
2299   }
2300   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
2301   zName = Tcl_GetString(objv[2]);
2302 
2303   rc = sqlite3_snapshot_get(db, zName, &pSnapshot);
2304   if( rc!=SQLITE_OK ){
2305     Tcl_SetObjResult(interp, Tcl_NewStringObj(sqlite3ErrName(rc), -1));
2306     return TCL_ERROR;
2307   }else{
2308     char zBuf[100];
2309     if( sqlite3TestMakePointerStr(interp, zBuf, pSnapshot) ) return TCL_ERROR;
2310     Tcl_SetObjResult(interp, Tcl_NewStringObj(zBuf, -1));
2311   }
2312   return TCL_OK;
2313 }
2314 #endif /* SQLITE_ENABLE_SNAPSHOT */
2315 
2316 #ifdef SQLITE_ENABLE_SNAPSHOT
2317 /*
2318 ** Usage: sqlite3_snapshot_recover DB DBNAME
2319 */
2320 static int SQLITE_TCLAPI test_snapshot_recover(
2321   void * clientData,
2322   Tcl_Interp *interp,
2323   int objc,
2324   Tcl_Obj *CONST objv[]
2325 ){
2326   int rc;
2327   sqlite3 *db;
2328   char *zName;
2329 
2330   if( objc!=3 ){
2331     Tcl_WrongNumArgs(interp, 1, objv, "DB DBNAME");
2332     return TCL_ERROR;
2333   }
2334   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
2335   zName = Tcl_GetString(objv[2]);
2336 
2337   rc = sqlite3_snapshot_recover(db, zName);
2338   if( rc!=SQLITE_OK ){
2339     Tcl_SetObjResult(interp, Tcl_NewStringObj(sqlite3ErrName(rc), -1));
2340     return TCL_ERROR;
2341   }else{
2342     Tcl_ResetResult(interp);
2343   }
2344   return TCL_OK;
2345 }
2346 #endif /* SQLITE_ENABLE_SNAPSHOT */
2347 
2348 #ifdef SQLITE_ENABLE_SNAPSHOT
2349 /*
2350 ** Usage: sqlite3_snapshot_open DB DBNAME SNAPSHOT
2351 */
2352 static int SQLITE_TCLAPI test_snapshot_open(
2353   void * clientData,
2354   Tcl_Interp *interp,
2355   int objc,
2356   Tcl_Obj *CONST objv[]
2357 ){
2358   int rc;
2359   sqlite3 *db;
2360   char *zName;
2361   sqlite3_snapshot *pSnapshot;
2362 
2363   if( objc!=4 ){
2364     Tcl_WrongNumArgs(interp, 1, objv, "DB DBNAME SNAPSHOT");
2365     return TCL_ERROR;
2366   }
2367   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
2368   zName = Tcl_GetString(objv[2]);
2369   pSnapshot = (sqlite3_snapshot*)sqlite3TestTextToPtr(Tcl_GetString(objv[3]));
2370 
2371   rc = sqlite3_snapshot_open(db, zName, pSnapshot);
2372   if( rc!=SQLITE_OK ){
2373     Tcl_SetObjResult(interp, Tcl_NewStringObj(sqlite3ErrName(rc), -1));
2374     return TCL_ERROR;
2375   }
2376   return TCL_OK;
2377 }
2378 #endif /* SQLITE_ENABLE_SNAPSHOT */
2379 
2380 #ifdef SQLITE_ENABLE_SNAPSHOT
2381 /*
2382 ** Usage: sqlite3_snapshot_free SNAPSHOT
2383 */
2384 static int SQLITE_TCLAPI test_snapshot_free(
2385   void * clientData,
2386   Tcl_Interp *interp,
2387   int objc,
2388   Tcl_Obj *CONST objv[]
2389 ){
2390   sqlite3_snapshot *pSnapshot;
2391   if( objc!=2 ){
2392     Tcl_WrongNumArgs(interp, 1, objv, "SNAPSHOT");
2393     return TCL_ERROR;
2394   }
2395   pSnapshot = (sqlite3_snapshot*)sqlite3TestTextToPtr(Tcl_GetString(objv[1]));
2396   sqlite3_snapshot_free(pSnapshot);
2397   return TCL_OK;
2398 }
2399 #endif /* SQLITE_ENABLE_SNAPSHOT */
2400 
2401 #ifdef SQLITE_ENABLE_SNAPSHOT
2402 /*
2403 ** Usage: sqlite3_snapshot_cmp SNAPSHOT1 SNAPSHOT2
2404 */
2405 static int SQLITE_TCLAPI test_snapshot_cmp(
2406   void * clientData,
2407   Tcl_Interp *interp,
2408   int objc,
2409   Tcl_Obj *CONST objv[]
2410 ){
2411   int res;
2412   sqlite3_snapshot *p1;
2413   sqlite3_snapshot *p2;
2414   if( objc!=3 ){
2415     Tcl_WrongNumArgs(interp, 1, objv, "SNAPSHOT1 SNAPSHOT2");
2416     return TCL_ERROR;
2417   }
2418   p1 = (sqlite3_snapshot*)sqlite3TestTextToPtr(Tcl_GetString(objv[1]));
2419   p2 = (sqlite3_snapshot*)sqlite3TestTextToPtr(Tcl_GetString(objv[2]));
2420   res = sqlite3_snapshot_cmp(p1, p2);
2421   Tcl_SetObjResult(interp, Tcl_NewIntObj(res));
2422   return TCL_OK;
2423 }
2424 #endif /* SQLITE_ENABLE_SNAPSHOT */
2425 
2426 #ifdef SQLITE_ENABLE_SNAPSHOT
2427 /*
2428 ** Usage: sqlite3_snapshot_get_blob DB DBNAME
2429 */
2430 static int SQLITE_TCLAPI test_snapshot_get_blob(
2431   void * clientData,
2432   Tcl_Interp *interp,
2433   int objc,
2434   Tcl_Obj *CONST objv[]
2435 ){
2436   int rc;
2437   sqlite3 *db;
2438   char *zName;
2439   sqlite3_snapshot *pSnapshot = 0;
2440 
2441   if( objc!=3 ){
2442     Tcl_WrongNumArgs(interp, 1, objv, "DB DBNAME");
2443     return TCL_ERROR;
2444   }
2445   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
2446   zName = Tcl_GetString(objv[2]);
2447 
2448   rc = sqlite3_snapshot_get(db, zName, &pSnapshot);
2449   if( rc!=SQLITE_OK ){
2450     Tcl_SetObjResult(interp, Tcl_NewStringObj(sqlite3ErrName(rc), -1));
2451     return TCL_ERROR;
2452   }else{
2453     Tcl_SetObjResult(interp,
2454         Tcl_NewByteArrayObj((unsigned char*)pSnapshot, sizeof(sqlite3_snapshot))
2455     );
2456     sqlite3_snapshot_free(pSnapshot);
2457   }
2458   return TCL_OK;
2459 }
2460 #endif /* SQLITE_ENABLE_SNAPSHOT */
2461 
2462 #ifdef SQLITE_ENABLE_SNAPSHOT
2463   /*
2464   ** Usage: sqlite3_snapshot_open_blob DB DBNAME SNAPSHOT
2465 */
2466 static int SQLITE_TCLAPI test_snapshot_open_blob(
2467   void * clientData,
2468   Tcl_Interp *interp,
2469   int objc,
2470   Tcl_Obj *CONST objv[]
2471 ){
2472   int rc;
2473   sqlite3 *db;
2474   char *zName;
2475   unsigned char *pBlob;
2476   int nBlob;
2477 
2478   if( objc!=4 ){
2479     Tcl_WrongNumArgs(interp, 1, objv, "DB DBNAME SNAPSHOT");
2480     return TCL_ERROR;
2481   }
2482   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
2483   zName = Tcl_GetString(objv[2]);
2484   pBlob = Tcl_GetByteArrayFromObj(objv[3], &nBlob);
2485   if( nBlob!=sizeof(sqlite3_snapshot) ){
2486     Tcl_AppendResult(interp, "bad SNAPSHOT", 0);
2487     return TCL_ERROR;
2488   }
2489   rc = sqlite3_snapshot_open(db, zName, (sqlite3_snapshot*)pBlob);
2490   if( rc!=SQLITE_OK ){
2491     Tcl_SetObjResult(interp, Tcl_NewStringObj(sqlite3ErrName(rc), -1));
2492     return TCL_ERROR;
2493   }
2494   return TCL_OK;
2495 }
2496 #endif /* SQLITE_ENABLE_SNAPSHOT */
2497 
2498 #ifdef SQLITE_ENABLE_SNAPSHOT
2499 /*
2500 ** Usage: sqlite3_snapshot_cmp_blob SNAPSHOT1 SNAPSHOT2
2501 */
2502 static int SQLITE_TCLAPI test_snapshot_cmp_blob(
2503   void * clientData,
2504   Tcl_Interp *interp,
2505   int objc,
2506   Tcl_Obj *CONST objv[]
2507 ){
2508   int res;
2509   unsigned char *p1;
2510   unsigned char *p2;
2511   int n1;
2512   int n2;
2513 
2514   if( objc!=3 ){
2515     Tcl_WrongNumArgs(interp, 1, objv, "SNAPSHOT1 SNAPSHOT2");
2516     return TCL_ERROR;
2517   }
2518 
2519   p1 = Tcl_GetByteArrayFromObj(objv[1], &n1);
2520   p2 = Tcl_GetByteArrayFromObj(objv[2], &n2);
2521 
2522   if( n1!=sizeof(sqlite3_snapshot) || n1!=n2 ){
2523     Tcl_AppendResult(interp, "bad SNAPSHOT", 0);
2524     return TCL_ERROR;
2525   }
2526 
2527   res = sqlite3_snapshot_cmp((sqlite3_snapshot*)p1, (sqlite3_snapshot*)p2);
2528   Tcl_SetObjResult(interp, Tcl_NewIntObj(res));
2529   return TCL_OK;
2530 }
2531 #endif /* SQLITE_ENABLE_SNAPSHOT */
2532 
2533 /*
2534 ** Usage: sqlite3_delete_database FILENAME
2535 */
2536 int sqlite3_delete_database(const char*);   /* in test_delete.c */
2537 static int SQLITE_TCLAPI test_delete_database(
2538   void * clientData,
2539   Tcl_Interp *interp,
2540   int objc,
2541   Tcl_Obj *CONST objv[]
2542 ){
2543   int rc;
2544   const char *zFile;
2545   if( objc!=2 ){
2546     Tcl_WrongNumArgs(interp, 1, objv, "FILE");
2547     return TCL_ERROR;
2548   }
2549   zFile = (const char*)Tcl_GetString(objv[1]);
2550   rc = sqlite3_delete_database(zFile);
2551 
2552   Tcl_SetObjResult(interp, Tcl_NewStringObj(sqlite3ErrName(rc), -1));
2553   return TCL_OK;
2554 }
2555 
2556 /*
2557 ** Usage: atomic_batch_write PATH
2558 */
2559 static int SQLITE_TCLAPI test_atomic_batch_write(
2560   void * clientData,
2561   Tcl_Interp *interp,
2562   int objc,
2563   Tcl_Obj *CONST objv[]
2564 ){
2565   char *zFile = 0;                /* Path to file to test */
2566   sqlite3 *db = 0;                /* Database handle */
2567   sqlite3_file *pFd = 0;          /* SQLite fd open on zFile */
2568   int bRes = 0;                   /* Integer result of this command */
2569   int dc = 0;                     /* Device-characteristics mask */
2570   int rc;                         /* sqlite3_open() return code */
2571 
2572   if( objc!=2 ){
2573     Tcl_WrongNumArgs(interp, 1, objv, "PATH");
2574     return TCL_ERROR;
2575   }
2576   zFile = Tcl_GetString(objv[1]);
2577 
2578   rc = sqlite3_open(zFile, &db);
2579   if( rc!=SQLITE_OK ){
2580     Tcl_AppendResult(interp, sqlite3_errmsg(db), 0);
2581     sqlite3_close(db);
2582     return TCL_ERROR;
2583   }
2584 
2585   rc = sqlite3_file_control(db, "main", SQLITE_FCNTL_FILE_POINTER, (void*)&pFd);
2586   dc = pFd->pMethods->xDeviceCharacteristics(pFd);
2587   if( dc & SQLITE_IOCAP_BATCH_ATOMIC ){
2588     bRes = 1;
2589   }
2590 
2591   Tcl_SetObjResult(interp, Tcl_NewIntObj(bRes));
2592   sqlite3_close(db);
2593   return TCL_OK;
2594 }
2595 
2596 /*
2597 ** Usage:  sqlite3_next_stmt  DB  STMT
2598 **
2599 ** Return the next statment in sequence after STMT.
2600 */
2601 static int SQLITE_TCLAPI test_next_stmt(
2602   void * clientData,
2603   Tcl_Interp *interp,
2604   int objc,
2605   Tcl_Obj *CONST objv[]
2606 ){
2607   sqlite3_stmt *pStmt;
2608   sqlite3 *db = 0;
2609   char zBuf[50];
2610 
2611   if( objc!=3 ){
2612     Tcl_AppendResult(interp, "wrong # args: should be \"",
2613         Tcl_GetStringFromObj(objv[0], 0), " DB STMT", 0);
2614     return TCL_ERROR;
2615   }
2616 
2617   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
2618   if( getStmtPointer(interp, Tcl_GetString(objv[2]), &pStmt) ) return TCL_ERROR;
2619   pStmt = sqlite3_next_stmt(db, pStmt);
2620   if( pStmt ){
2621     if( sqlite3TestMakePointerStr(interp, zBuf, pStmt) ) return TCL_ERROR;
2622     Tcl_AppendResult(interp, zBuf, 0);
2623   }
2624   return TCL_OK;
2625 }
2626 
2627 /*
2628 ** Usage:  sqlite3_stmt_readonly  STMT
2629 **
2630 ** Return true if STMT is a NULL pointer or a pointer to a statement
2631 ** that is guaranteed to leave the database unmodified.
2632 */
2633 static int SQLITE_TCLAPI test_stmt_readonly(
2634   void * clientData,
2635   Tcl_Interp *interp,
2636   int objc,
2637   Tcl_Obj *CONST objv[]
2638 ){
2639   sqlite3_stmt *pStmt;
2640   int rc;
2641 
2642   if( objc!=2 ){
2643     Tcl_AppendResult(interp, "wrong # args: should be \"",
2644         Tcl_GetStringFromObj(objv[0], 0), " STMT", 0);
2645     return TCL_ERROR;
2646   }
2647 
2648   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
2649   rc = sqlite3_stmt_readonly(pStmt);
2650   Tcl_SetObjResult(interp, Tcl_NewBooleanObj(rc));
2651   return TCL_OK;
2652 }
2653 
2654 /*
2655 ** Usage:  sqlite3_stmt_busy  STMT
2656 **
2657 ** Return true if STMT is a non-NULL pointer to a statement
2658 ** that has been stepped but not to completion.
2659 */
2660 static int SQLITE_TCLAPI test_stmt_busy(
2661   void * clientData,
2662   Tcl_Interp *interp,
2663   int objc,
2664   Tcl_Obj *CONST objv[]
2665 ){
2666   sqlite3_stmt *pStmt;
2667   int rc;
2668 
2669   if( objc!=2 ){
2670     Tcl_AppendResult(interp, "wrong # args: should be \"",
2671         Tcl_GetStringFromObj(objv[0], 0), " STMT", 0);
2672     return TCL_ERROR;
2673   }
2674 
2675   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
2676   rc = sqlite3_stmt_busy(pStmt);
2677   Tcl_SetObjResult(interp, Tcl_NewBooleanObj(rc));
2678   return TCL_OK;
2679 }
2680 
2681 /*
2682 ** Usage:  uses_stmt_journal  STMT
2683 **
2684 ** Return true if STMT uses a statement journal.
2685 */
2686 static int SQLITE_TCLAPI uses_stmt_journal(
2687   void * clientData,
2688   Tcl_Interp *interp,
2689   int objc,
2690   Tcl_Obj *CONST objv[]
2691 ){
2692   sqlite3_stmt *pStmt;
2693 
2694   if( objc!=2 ){
2695     Tcl_AppendResult(interp, "wrong # args: should be \"",
2696         Tcl_GetStringFromObj(objv[0], 0), " STMT", 0);
2697     return TCL_ERROR;
2698   }
2699 
2700   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
2701   sqlite3_stmt_readonly(pStmt);
2702   Tcl_SetObjResult(interp, Tcl_NewBooleanObj(((Vdbe *)pStmt)->usesStmtJournal));
2703   return TCL_OK;
2704 }
2705 
2706 
2707 /*
2708 ** Usage:  sqlite3_reset  STMT
2709 **
2710 ** Reset a statement handle.
2711 */
2712 static int SQLITE_TCLAPI test_reset(
2713   void * clientData,
2714   Tcl_Interp *interp,
2715   int objc,
2716   Tcl_Obj *CONST objv[]
2717 ){
2718   sqlite3_stmt *pStmt;
2719   int rc;
2720 
2721   if( objc!=2 ){
2722     Tcl_AppendResult(interp, "wrong # args: should be \"",
2723         Tcl_GetStringFromObj(objv[0], 0), " <STMT>", 0);
2724     return TCL_ERROR;
2725   }
2726 
2727   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
2728 
2729   rc = sqlite3_reset(pStmt);
2730   if( pStmt && sqlite3TestErrCode(interp, StmtToDb(pStmt), rc) ){
2731     return TCL_ERROR;
2732   }
2733   Tcl_SetResult(interp, (char *)t1ErrorName(rc), TCL_STATIC);
2734 /*
2735   if( rc ){
2736     return TCL_ERROR;
2737   }
2738 */
2739   return TCL_OK;
2740 }
2741 
2742 /*
2743 ** Usage:  sqlite3_expired STMT
2744 **
2745 ** Return TRUE if a recompilation of the statement is recommended.
2746 */
2747 static int SQLITE_TCLAPI test_expired(
2748   void * clientData,
2749   Tcl_Interp *interp,
2750   int objc,
2751   Tcl_Obj *CONST objv[]
2752 ){
2753 #ifndef SQLITE_OMIT_DEPRECATED
2754   sqlite3_stmt *pStmt;
2755   if( objc!=2 ){
2756     Tcl_AppendResult(interp, "wrong # args: should be \"",
2757         Tcl_GetStringFromObj(objv[0], 0), " <STMT>", 0);
2758     return TCL_ERROR;
2759   }
2760   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
2761   Tcl_SetObjResult(interp, Tcl_NewBooleanObj(sqlite3_expired(pStmt)));
2762 #endif
2763   return TCL_OK;
2764 }
2765 
2766 /*
2767 ** Usage:  sqlite3_transfer_bindings FROMSTMT TOSTMT
2768 **
2769 ** Transfer all bindings from FROMSTMT over to TOSTMT
2770 */
2771 static int SQLITE_TCLAPI test_transfer_bind(
2772   void * clientData,
2773   Tcl_Interp *interp,
2774   int objc,
2775   Tcl_Obj *CONST objv[]
2776 ){
2777 #ifndef SQLITE_OMIT_DEPRECATED
2778   sqlite3_stmt *pStmt1, *pStmt2;
2779   if( objc!=3 ){
2780     Tcl_AppendResult(interp, "wrong # args: should be \"",
2781         Tcl_GetStringFromObj(objv[0], 0), " FROM-STMT TO-STMT", 0);
2782     return TCL_ERROR;
2783   }
2784   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt1)) return TCL_ERROR;
2785   if( getStmtPointer(interp, Tcl_GetString(objv[2]), &pStmt2)) return TCL_ERROR;
2786   Tcl_SetObjResult(interp,
2787      Tcl_NewIntObj(sqlite3_transfer_bindings(pStmt1,pStmt2)));
2788 #endif
2789   return TCL_OK;
2790 }
2791 
2792 /*
2793 ** Usage:  sqlite3_changes DB
2794 **
2795 ** Return the number of changes made to the database by the last SQL
2796 ** execution.
2797 */
2798 static int SQLITE_TCLAPI test_changes(
2799   void * clientData,
2800   Tcl_Interp *interp,
2801   int objc,
2802   Tcl_Obj *CONST objv[]
2803 ){
2804   sqlite3 *db;
2805   if( objc!=2 ){
2806     Tcl_AppendResult(interp, "wrong # args: should be \"",
2807        Tcl_GetString(objv[0]), " DB", 0);
2808     return TCL_ERROR;
2809   }
2810   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
2811   Tcl_SetObjResult(interp, Tcl_NewIntObj(sqlite3_changes(db)));
2812   return TCL_OK;
2813 }
2814 
2815 /*
2816 ** This is the "static_bind_value" that variables are bound to when
2817 ** the FLAG option of sqlite3_bind is "static"
2818 */
2819 static char *sqlite_static_bind_value = 0;
2820 static int sqlite_static_bind_nbyte = 0;
2821 
2822 /*
2823 ** Usage:  sqlite3_bind  VM  IDX  VALUE  FLAGS
2824 **
2825 ** Sets the value of the IDX-th occurrence of "?" in the original SQL
2826 ** string.  VALUE is the new value.  If FLAGS=="null" then VALUE is
2827 ** ignored and the value is set to NULL.  If FLAGS=="static" then
2828 ** the value is set to the value of a static variable named
2829 ** "sqlite_static_bind_value".  If FLAGS=="normal" then a copy
2830 ** of the VALUE is made.  If FLAGS=="blob10" then a VALUE is ignored
2831 ** an a 10-byte blob "abc\000xyz\000pq" is inserted.
2832 */
2833 static int SQLITE_TCLAPI test_bind(
2834   void *NotUsed,
2835   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
2836   int argc,              /* Number of arguments */
2837   char **argv            /* Text of each argument */
2838 ){
2839   sqlite3_stmt *pStmt;
2840   int rc;
2841   int idx;
2842   if( argc!=5 ){
2843     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
2844        " VM IDX VALUE (null|static|normal)\"", 0);
2845     return TCL_ERROR;
2846   }
2847   if( getStmtPointer(interp, argv[1], &pStmt) ) return TCL_ERROR;
2848   if( Tcl_GetInt(interp, argv[2], &idx) ) return TCL_ERROR;
2849   if( strcmp(argv[4],"null")==0 ){
2850     rc = sqlite3_bind_null(pStmt, idx);
2851   }else if( strcmp(argv[4],"static")==0 ){
2852     rc = sqlite3_bind_text(pStmt, idx, sqlite_static_bind_value, -1, 0);
2853   }else if( strcmp(argv[4],"static-nbytes")==0 ){
2854     rc = sqlite3_bind_text(pStmt, idx, sqlite_static_bind_value,
2855                                        sqlite_static_bind_nbyte, 0);
2856   }else if( strcmp(argv[4],"normal")==0 ){
2857     rc = sqlite3_bind_text(pStmt, idx, argv[3], -1, SQLITE_TRANSIENT);
2858   }else if( strcmp(argv[4],"blob10")==0 ){
2859     rc = sqlite3_bind_text(pStmt, idx, "abc\000xyz\000pq", 10, SQLITE_STATIC);
2860   }else{
2861     Tcl_AppendResult(interp, "4th argument should be "
2862         "\"null\" or \"static\" or \"normal\"", 0);
2863     return TCL_ERROR;
2864   }
2865   if( sqlite3TestErrCode(interp, StmtToDb(pStmt), rc) ) return TCL_ERROR;
2866   if( rc ){
2867     char zBuf[50];
2868     sqlite3_snprintf(sizeof(zBuf), zBuf, "(%d) ", rc);
2869     Tcl_AppendResult(interp, zBuf, sqlite3ErrStr(rc), 0);
2870     return TCL_ERROR;
2871   }
2872   return TCL_OK;
2873 }
2874 
2875 #ifndef SQLITE_OMIT_UTF16
2876 /*
2877 ** Usage: add_test_collate <db ptr> <utf8> <utf16le> <utf16be>
2878 **
2879 ** This function is used to test that SQLite selects the correct collation
2880 ** sequence callback when multiple versions (for different text encodings)
2881 ** are available.
2882 **
2883 ** Calling this routine registers the collation sequence "test_collate"
2884 ** with database handle <db>. The second argument must be a list of three
2885 ** boolean values. If the first is true, then a version of test_collate is
2886 ** registered for UTF-8, if the second is true, a version is registered for
2887 ** UTF-16le, if the third is true, a UTF-16be version is available.
2888 ** Previous versions of test_collate are deleted.
2889 **
2890 ** The collation sequence test_collate is implemented by calling the
2891 ** following TCL script:
2892 **
2893 **   "test_collate <enc> <lhs> <rhs>"
2894 **
2895 ** The <lhs> and <rhs> are the two values being compared, encoded in UTF-8.
2896 ** The <enc> parameter is the encoding of the collation function that
2897 ** SQLite selected to call. The TCL test script implements the
2898 ** "test_collate" proc.
2899 **
2900 ** Note that this will only work with one interpreter at a time, as the
2901 ** interp pointer to use when evaluating the TCL script is stored in
2902 ** pTestCollateInterp.
2903 */
2904 static Tcl_Interp* pTestCollateInterp;
2905 static int test_collate_func(
2906   void *pCtx,
2907   int nA, const void *zA,
2908   int nB, const void *zB
2909 ){
2910   Tcl_Interp *i = pTestCollateInterp;
2911   int encin = SQLITE_PTR_TO_INT(pCtx);
2912   int res;
2913   int n;
2914 
2915   sqlite3_value *pVal;
2916   Tcl_Obj *pX;
2917 
2918   pX = Tcl_NewStringObj("test_collate", -1);
2919   Tcl_IncrRefCount(pX);
2920 
2921   switch( encin ){
2922     case SQLITE_UTF8:
2923       Tcl_ListObjAppendElement(i,pX,Tcl_NewStringObj("UTF-8",-1));
2924       break;
2925     case SQLITE_UTF16LE:
2926       Tcl_ListObjAppendElement(i,pX,Tcl_NewStringObj("UTF-16LE",-1));
2927       break;
2928     case SQLITE_UTF16BE:
2929       Tcl_ListObjAppendElement(i,pX,Tcl_NewStringObj("UTF-16BE",-1));
2930       break;
2931     default:
2932       assert(0);
2933   }
2934 
2935   sqlite3BeginBenignMalloc();
2936   pVal = sqlite3ValueNew(0);
2937   if( pVal ){
2938     sqlite3ValueSetStr(pVal, nA, zA, encin, SQLITE_STATIC);
2939     n = sqlite3_value_bytes(pVal);
2940     Tcl_ListObjAppendElement(i,pX,
2941         Tcl_NewStringObj((char*)sqlite3_value_text(pVal),n));
2942     sqlite3ValueSetStr(pVal, nB, zB, encin, SQLITE_STATIC);
2943     n = sqlite3_value_bytes(pVal);
2944     Tcl_ListObjAppendElement(i,pX,
2945         Tcl_NewStringObj((char*)sqlite3_value_text(pVal),n));
2946     sqlite3ValueFree(pVal);
2947   }
2948   sqlite3EndBenignMalloc();
2949 
2950   Tcl_EvalObjEx(i, pX, 0);
2951   Tcl_DecrRefCount(pX);
2952   Tcl_GetIntFromObj(i, Tcl_GetObjResult(i), &res);
2953   return res;
2954 }
2955 static int SQLITE_TCLAPI test_collate(
2956   void * clientData,
2957   Tcl_Interp *interp,
2958   int objc,
2959   Tcl_Obj *CONST objv[]
2960 ){
2961   sqlite3 *db;
2962   int val;
2963   sqlite3_value *pVal;
2964   int rc;
2965 
2966   if( objc!=5 ) goto bad_args;
2967   pTestCollateInterp = interp;
2968   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
2969 
2970   if( TCL_OK!=Tcl_GetBooleanFromObj(interp, objv[2], &val) ) return TCL_ERROR;
2971   rc = sqlite3_create_collation(db, "test_collate", SQLITE_UTF8,
2972           (void *)SQLITE_UTF8, val?test_collate_func:0);
2973   if( rc==SQLITE_OK ){
2974     const void *zUtf16;
2975     if( TCL_OK!=Tcl_GetBooleanFromObj(interp, objv[3], &val) ) return TCL_ERROR;
2976     rc = sqlite3_create_collation(db, "test_collate", SQLITE_UTF16LE,
2977             (void *)SQLITE_UTF16LE, val?test_collate_func:0);
2978     if( TCL_OK!=Tcl_GetBooleanFromObj(interp, objv[4], &val) ) return TCL_ERROR;
2979 
2980 #if 0
2981     if( sqlite3_iMallocFail>0 ){
2982       sqlite3_iMallocFail++;
2983     }
2984 #endif
2985     sqlite3_mutex_enter(db->mutex);
2986     pVal = sqlite3ValueNew(db);
2987     sqlite3ValueSetStr(pVal, -1, "test_collate", SQLITE_UTF8, SQLITE_STATIC);
2988     zUtf16 = sqlite3ValueText(pVal, SQLITE_UTF16NATIVE);
2989     if( db->mallocFailed ){
2990       rc = SQLITE_NOMEM;
2991     }else{
2992       rc = sqlite3_create_collation16(db, zUtf16, SQLITE_UTF16BE,
2993           (void *)SQLITE_UTF16BE, val?test_collate_func:0);
2994     }
2995     sqlite3ValueFree(pVal);
2996     sqlite3_mutex_leave(db->mutex);
2997   }
2998   if( sqlite3TestErrCode(interp, db, rc) ) return TCL_ERROR;
2999 
3000   if( rc!=SQLITE_OK ){
3001     Tcl_AppendResult(interp, sqlite3ErrName(rc), 0);
3002     return TCL_ERROR;
3003   }
3004   return TCL_OK;
3005 
3006 bad_args:
3007   Tcl_AppendResult(interp, "wrong # args: should be \"",
3008       Tcl_GetStringFromObj(objv[0], 0), " <DB> <utf8> <utf16le> <utf16be>", 0);
3009   return TCL_ERROR;
3010 }
3011 
3012 /*
3013 ** Usage: add_test_utf16bin_collate <db ptr>
3014 **
3015 ** Add a utf-16 collation sequence named "utf16bin" to the database
3016 ** handle. This collation sequence compares arguments in the same way as the
3017 ** built-in collation "binary".
3018 */
3019 static int test_utf16bin_collate_func(
3020   void *pCtx,
3021   int nA, const void *zA,
3022   int nB, const void *zB
3023 ){
3024   int nCmp = (nA>nB ? nB : nA);
3025   int res = memcmp(zA, zB, nCmp);
3026   if( res==0 ) res = nA - nB;
3027   return res;
3028 }
3029 static int SQLITE_TCLAPI test_utf16bin_collate(
3030   void * clientData,
3031   Tcl_Interp *interp,
3032   int objc,
3033   Tcl_Obj *CONST objv[]
3034 ){
3035   sqlite3 *db;
3036   int rc;
3037 
3038   if( objc!=2 ) goto bad_args;
3039   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
3040 
3041   rc = sqlite3_create_collation(db, "utf16bin", SQLITE_UTF16, 0,
3042       test_utf16bin_collate_func
3043   );
3044   if( sqlite3TestErrCode(interp, db, rc) ) return TCL_ERROR;
3045   return TCL_OK;
3046 
3047 bad_args:
3048   Tcl_WrongNumArgs(interp, 1, objv, "DB");
3049   return TCL_ERROR;
3050 }
3051 
3052 /*
3053 ** When the collation needed callback is invoked, record the name of
3054 ** the requested collating function here.  The recorded name is linked
3055 ** to a TCL variable and used to make sure that the requested collation
3056 ** name is correct.
3057 */
3058 static char zNeededCollation[200];
3059 static char *pzNeededCollation = zNeededCollation;
3060 
3061 
3062 /*
3063 ** Called when a collating sequence is needed.  Registered using
3064 ** sqlite3_collation_needed16().
3065 */
3066 static void test_collate_needed_cb(
3067   void *pCtx,
3068   sqlite3 *db,
3069   int eTextRep,
3070   const void *pName
3071 ){
3072   int enc = ENC(db);
3073   int i;
3074   char *z;
3075   for(z = (char*)pName, i=0; *z || z[1]; z++){
3076     if( *z ) zNeededCollation[i++] = *z;
3077   }
3078   zNeededCollation[i] = 0;
3079   sqlite3_create_collation(
3080       db, "test_collate", ENC(db), SQLITE_INT_TO_PTR(enc), test_collate_func);
3081 }
3082 
3083 /*
3084 ** Usage: add_test_collate_needed DB
3085 */
3086 static int SQLITE_TCLAPI test_collate_needed(
3087   void * clientData,
3088   Tcl_Interp *interp,
3089   int objc,
3090   Tcl_Obj *CONST objv[]
3091 ){
3092   sqlite3 *db;
3093   int rc;
3094 
3095   if( objc!=2 ) goto bad_args;
3096   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
3097   rc = sqlite3_collation_needed16(db, 0, test_collate_needed_cb);
3098   zNeededCollation[0] = 0;
3099   if( sqlite3TestErrCode(interp, db, rc) ) return TCL_ERROR;
3100   return TCL_OK;
3101 
3102 bad_args:
3103   Tcl_WrongNumArgs(interp, 1, objv, "DB");
3104   return TCL_ERROR;
3105 }
3106 
3107 /*
3108 ** tclcmd:   add_alignment_test_collations  DB
3109 **
3110 ** Add two new collating sequences to the database DB
3111 **
3112 **     utf16_aligned
3113 **     utf16_unaligned
3114 **
3115 ** Both collating sequences use the same sort order as BINARY.
3116 ** The only difference is that the utf16_aligned collating
3117 ** sequence is declared with the SQLITE_UTF16_ALIGNED flag.
3118 ** Both collating functions increment the unaligned utf16 counter
3119 ** whenever they see a string that begins on an odd byte boundary.
3120 */
3121 static int unaligned_string_counter = 0;
3122 static int alignmentCollFunc(
3123   void *NotUsed,
3124   int nKey1, const void *pKey1,
3125   int nKey2, const void *pKey2
3126 ){
3127   int rc, n;
3128   n = nKey1<nKey2 ? nKey1 : nKey2;
3129   if( nKey1>0 && 1==(1&(SQLITE_PTR_TO_INT(pKey1))) ) unaligned_string_counter++;
3130   if( nKey2>0 && 1==(1&(SQLITE_PTR_TO_INT(pKey2))) ) unaligned_string_counter++;
3131   rc = memcmp(pKey1, pKey2, n);
3132   if( rc==0 ){
3133     rc = nKey1 - nKey2;
3134   }
3135   return rc;
3136 }
3137 static int SQLITE_TCLAPI add_alignment_test_collations(
3138   void * clientData,
3139   Tcl_Interp *interp,
3140   int objc,
3141   Tcl_Obj *CONST objv[]
3142 ){
3143   sqlite3 *db;
3144   if( objc>=2 ){
3145     if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
3146     sqlite3_create_collation(db, "utf16_unaligned", SQLITE_UTF16,
3147         0, alignmentCollFunc);
3148     sqlite3_create_collation(db, "utf16_aligned", SQLITE_UTF16_ALIGNED,
3149         0, alignmentCollFunc);
3150   }
3151   return SQLITE_OK;
3152 }
3153 #endif /* !defined(SQLITE_OMIT_UTF16) */
3154 
3155 /*
3156 ** Usage: add_test_function <db ptr> <utf8> <utf16le> <utf16be>
3157 **
3158 ** This function is used to test that SQLite selects the correct user
3159 ** function callback when multiple versions (for different text encodings)
3160 ** are available.
3161 **
3162 ** Calling this routine registers up to three versions of the user function
3163 ** "test_function" with database handle <db>.  If the second argument is
3164 ** true, then a version of test_function is registered for UTF-8, if the
3165 ** third is true, a version is registered for UTF-16le, if the fourth is
3166 ** true, a UTF-16be version is available.  Previous versions of
3167 ** test_function are deleted.
3168 **
3169 ** The user function is implemented by calling the following TCL script:
3170 **
3171 **   "test_function <enc> <arg>"
3172 **
3173 ** Where <enc> is one of UTF-8, UTF-16LE or UTF16BE, and <arg> is the
3174 ** single argument passed to the SQL function. The value returned by
3175 ** the TCL script is used as the return value of the SQL function. It
3176 ** is passed to SQLite using UTF-16BE for a UTF-8 test_function(), UTF-8
3177 ** for a UTF-16LE test_function(), and UTF-16LE for an implementation that
3178 ** prefers UTF-16BE.
3179 */
3180 #ifndef SQLITE_OMIT_UTF16
3181 static void test_function_utf8(
3182   sqlite3_context *pCtx,
3183   int nArg,
3184   sqlite3_value **argv
3185 ){
3186   Tcl_Interp *interp;
3187   Tcl_Obj *pX;
3188   sqlite3_value *pVal;
3189   interp = (Tcl_Interp *)sqlite3_user_data(pCtx);
3190   pX = Tcl_NewStringObj("test_function", -1);
3191   Tcl_IncrRefCount(pX);
3192   Tcl_ListObjAppendElement(interp, pX, Tcl_NewStringObj("UTF-8", -1));
3193   Tcl_ListObjAppendElement(interp, pX,
3194       Tcl_NewStringObj((char*)sqlite3_value_text(argv[0]), -1));
3195   Tcl_EvalObjEx(interp, pX, 0);
3196   Tcl_DecrRefCount(pX);
3197   sqlite3_result_text(pCtx, Tcl_GetStringResult(interp), -1, SQLITE_TRANSIENT);
3198   pVal = sqlite3ValueNew(0);
3199   sqlite3ValueSetStr(pVal, -1, Tcl_GetStringResult(interp),
3200       SQLITE_UTF8, SQLITE_STATIC);
3201   sqlite3_result_text16be(pCtx, sqlite3_value_text16be(pVal),
3202       -1, SQLITE_TRANSIENT);
3203   sqlite3ValueFree(pVal);
3204 }
3205 static void test_function_utf16le(
3206   sqlite3_context *pCtx,
3207   int nArg,
3208   sqlite3_value **argv
3209 ){
3210   Tcl_Interp *interp;
3211   Tcl_Obj *pX;
3212   sqlite3_value *pVal;
3213   interp = (Tcl_Interp *)sqlite3_user_data(pCtx);
3214   pX = Tcl_NewStringObj("test_function", -1);
3215   Tcl_IncrRefCount(pX);
3216   Tcl_ListObjAppendElement(interp, pX, Tcl_NewStringObj("UTF-16LE", -1));
3217   Tcl_ListObjAppendElement(interp, pX,
3218       Tcl_NewStringObj((char*)sqlite3_value_text(argv[0]), -1));
3219   Tcl_EvalObjEx(interp, pX, 0);
3220   Tcl_DecrRefCount(pX);
3221   pVal = sqlite3ValueNew(0);
3222   sqlite3ValueSetStr(pVal, -1, Tcl_GetStringResult(interp),
3223       SQLITE_UTF8, SQLITE_STATIC);
3224   sqlite3_result_text(pCtx,(char*)sqlite3_value_text(pVal),-1,SQLITE_TRANSIENT);
3225   sqlite3ValueFree(pVal);
3226 }
3227 static void test_function_utf16be(
3228   sqlite3_context *pCtx,
3229   int nArg,
3230   sqlite3_value **argv
3231 ){
3232   Tcl_Interp *interp;
3233   Tcl_Obj *pX;
3234   sqlite3_value *pVal;
3235   interp = (Tcl_Interp *)sqlite3_user_data(pCtx);
3236   pX = Tcl_NewStringObj("test_function", -1);
3237   Tcl_IncrRefCount(pX);
3238   Tcl_ListObjAppendElement(interp, pX, Tcl_NewStringObj("UTF-16BE", -1));
3239   Tcl_ListObjAppendElement(interp, pX,
3240       Tcl_NewStringObj((char*)sqlite3_value_text(argv[0]), -1));
3241   Tcl_EvalObjEx(interp, pX, 0);
3242   Tcl_DecrRefCount(pX);
3243   pVal = sqlite3ValueNew(0);
3244   sqlite3ValueSetStr(pVal, -1, Tcl_GetStringResult(interp),
3245       SQLITE_UTF8, SQLITE_STATIC);
3246   sqlite3_result_text16(pCtx, sqlite3_value_text16le(pVal),
3247       -1, SQLITE_TRANSIENT);
3248   sqlite3_result_text16be(pCtx, sqlite3_value_text16le(pVal),
3249       -1, SQLITE_TRANSIENT);
3250   sqlite3_result_text16le(pCtx, sqlite3_value_text16le(pVal),
3251       -1, SQLITE_TRANSIENT);
3252   sqlite3ValueFree(pVal);
3253 }
3254 #endif /* SQLITE_OMIT_UTF16 */
3255 static int SQLITE_TCLAPI test_function(
3256   void * clientData,
3257   Tcl_Interp *interp,
3258   int objc,
3259   Tcl_Obj *CONST objv[]
3260 ){
3261 #ifndef SQLITE_OMIT_UTF16
3262   sqlite3 *db;
3263   int val;
3264 
3265   if( objc!=5 ) goto bad_args;
3266   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
3267 
3268   if( TCL_OK!=Tcl_GetBooleanFromObj(interp, objv[2], &val) ) return TCL_ERROR;
3269   if( val ){
3270     sqlite3_create_function(db, "test_function", 1, SQLITE_UTF8,
3271         interp, test_function_utf8, 0, 0);
3272   }
3273   if( TCL_OK!=Tcl_GetBooleanFromObj(interp, objv[3], &val) ) return TCL_ERROR;
3274   if( val ){
3275     sqlite3_create_function(db, "test_function", 1, SQLITE_UTF16LE,
3276         interp, test_function_utf16le, 0, 0);
3277   }
3278   if( TCL_OK!=Tcl_GetBooleanFromObj(interp, objv[4], &val) ) return TCL_ERROR;
3279   if( val ){
3280     sqlite3_create_function(db, "test_function", 1, SQLITE_UTF16BE,
3281         interp, test_function_utf16be, 0, 0);
3282   }
3283 
3284   return TCL_OK;
3285 bad_args:
3286   Tcl_AppendResult(interp, "wrong # args: should be \"",
3287       Tcl_GetStringFromObj(objv[0], 0), " <DB> <utf8> <utf16le> <utf16be>", 0);
3288 #endif /* SQLITE_OMIT_UTF16 */
3289   return TCL_ERROR;
3290 }
3291 
3292 /*
3293 ** Usage:         sqlite3_test_errstr <err code>
3294 **
3295 ** Test that the english language string equivalents for sqlite error codes
3296 ** are sane. The parameter is an integer representing an sqlite error code.
3297 ** The result is a list of two elements, the string representation of the
3298 ** error code and the english language explanation.
3299 */
3300 static int SQLITE_TCLAPI test_errstr(
3301   void * clientData,
3302   Tcl_Interp *interp,
3303   int objc,
3304   Tcl_Obj *CONST objv[]
3305 ){
3306   char *zCode;
3307   int i;
3308   if( objc!=1 ){
3309     Tcl_WrongNumArgs(interp, 1, objv, "<error code>");
3310   }
3311 
3312   zCode = Tcl_GetString(objv[1]);
3313   for(i=0; i<200; i++){
3314     if( 0==strcmp(t1ErrorName(i), zCode) ) break;
3315   }
3316   Tcl_SetResult(interp, (char *)sqlite3ErrStr(i), 0);
3317   return TCL_OK;
3318 }
3319 
3320 /*
3321 ** Usage:    breakpoint
3322 **
3323 ** This routine exists for one purpose - to provide a place to put a
3324 ** breakpoint with GDB that can be triggered using TCL code.  The use
3325 ** for this is when a particular test fails on (say) the 1485th iteration.
3326 ** In the TCL test script, we can add code like this:
3327 **
3328 **     if {$i==1485} breakpoint
3329 **
3330 ** Then run testfixture in the debugger and wait for the breakpoint to
3331 ** fire.  Then additional breakpoints can be set to trace down the bug.
3332 */
3333 static int SQLITE_TCLAPI test_breakpoint(
3334   void *NotUsed,
3335   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
3336   int argc,              /* Number of arguments */
3337   char **argv            /* Text of each argument */
3338 ){
3339   return TCL_OK;         /* Do nothing */
3340 }
3341 
3342 /*
3343 ** Usage:   sqlite3_bind_zeroblob  STMT IDX N
3344 **
3345 ** Test the sqlite3_bind_zeroblob interface.  STMT is a prepared statement.
3346 ** IDX is the index of a wildcard in the prepared statement.  This command
3347 ** binds a N-byte zero-filled BLOB to the wildcard.
3348 */
3349 static int SQLITE_TCLAPI test_bind_zeroblob(
3350   void * clientData,
3351   Tcl_Interp *interp,
3352   int objc,
3353   Tcl_Obj *CONST objv[]
3354 ){
3355   sqlite3_stmt *pStmt;
3356   int idx;
3357   int n;
3358   int rc;
3359 
3360   if( objc!=4 ){
3361     Tcl_WrongNumArgs(interp, 1, objv, "STMT IDX N");
3362     return TCL_ERROR;
3363   }
3364 
3365   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
3366   if( Tcl_GetIntFromObj(interp, objv[2], &idx) ) return TCL_ERROR;
3367   if( Tcl_GetIntFromObj(interp, objv[3], &n) ) return TCL_ERROR;
3368 
3369   rc = sqlite3_bind_zeroblob(pStmt, idx, n);
3370   if( sqlite3TestErrCode(interp, StmtToDb(pStmt), rc) ) return TCL_ERROR;
3371   if( rc!=SQLITE_OK ){
3372     return TCL_ERROR;
3373   }
3374 
3375   return TCL_OK;
3376 }
3377 
3378 /*
3379 ** Usage:   sqlite3_bind_zeroblob64  STMT IDX N
3380 **
3381 ** Test the sqlite3_bind_zeroblob64 interface.  STMT is a prepared statement.
3382 ** IDX is the index of a wildcard in the prepared statement.  This command
3383 ** binds a N-byte zero-filled BLOB to the wildcard.
3384 */
3385 static int SQLITE_TCLAPI test_bind_zeroblob64(
3386   void * clientData,
3387   Tcl_Interp *interp,
3388   int objc,
3389   Tcl_Obj *CONST objv[]
3390 ){
3391   sqlite3_stmt *pStmt;
3392   int idx;
3393   Tcl_WideInt n;
3394   int rc;
3395 
3396   if( objc!=4 ){
3397     Tcl_WrongNumArgs(interp, 1, objv, "STMT IDX N");
3398     return TCL_ERROR;
3399   }
3400 
3401   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
3402   if( Tcl_GetIntFromObj(interp, objv[2], &idx) ) return TCL_ERROR;
3403   if( Tcl_GetWideIntFromObj(interp, objv[3], &n) ) return TCL_ERROR;
3404 
3405   rc = sqlite3_bind_zeroblob64(pStmt, idx, n);
3406   if( sqlite3TestErrCode(interp, StmtToDb(pStmt), rc) ) return TCL_ERROR;
3407   if( rc!=SQLITE_OK ){
3408     Tcl_AppendResult(interp, sqlite3ErrName(rc), 0);
3409     return TCL_ERROR;
3410   }
3411 
3412   return TCL_OK;
3413 }
3414 
3415 /*
3416 ** Usage:   sqlite3_bind_int  STMT N VALUE
3417 **
3418 ** Test the sqlite3_bind_int interface.  STMT is a prepared statement.
3419 ** N is the index of a wildcard in the prepared statement.  This command
3420 ** binds a 32-bit integer VALUE to that wildcard.
3421 */
3422 static int SQLITE_TCLAPI test_bind_int(
3423   void * clientData,
3424   Tcl_Interp *interp,
3425   int objc,
3426   Tcl_Obj *CONST objv[]
3427 ){
3428   sqlite3_stmt *pStmt;
3429   int idx;
3430   int value;
3431   int rc;
3432 
3433   if( objc!=4 ){
3434     Tcl_AppendResult(interp, "wrong # args: should be \"",
3435         Tcl_GetStringFromObj(objv[0], 0), " STMT N VALUE", 0);
3436     return TCL_ERROR;
3437   }
3438 
3439   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
3440   if( Tcl_GetIntFromObj(interp, objv[2], &idx) ) return TCL_ERROR;
3441   if( Tcl_GetIntFromObj(interp, objv[3], &value) ) return TCL_ERROR;
3442 
3443   rc = sqlite3_bind_int(pStmt, idx, value);
3444   if( sqlite3TestErrCode(interp, StmtToDb(pStmt), rc) ) return TCL_ERROR;
3445   if( rc!=SQLITE_OK ){
3446     return TCL_ERROR;
3447   }
3448 
3449   return TCL_OK;
3450 }
3451 
3452 
3453 /*
3454 ** Usage:   intarray_addr  INT  ...
3455 **
3456 ** Return the address of a C-language array of 32-bit integers.
3457 **
3458 ** Space to hold the array is obtained from malloc().  Call this procedure once
3459 ** with no arguments in order to release memory.  Each call to this procedure
3460 ** overwrites the previous array.
3461 */
3462 static int SQLITE_TCLAPI test_intarray_addr(
3463   void * clientData,
3464   Tcl_Interp *interp,
3465   int objc,
3466   Tcl_Obj *CONST objv[]
3467 ){
3468   int i;
3469   static int *p = 0;
3470 
3471   sqlite3_free(p);
3472   p = 0;
3473   if( objc>1 ){
3474     p = sqlite3_malloc( sizeof(p[0])*(objc-1) );
3475     if( p==0 ) return TCL_ERROR;
3476     for(i=0; i<objc-1; i++){
3477       if( Tcl_GetIntFromObj(interp, objv[1+i], &p[i]) ){
3478         sqlite3_free(p);
3479         p = 0;
3480         return TCL_ERROR;
3481       }
3482     }
3483   }
3484   Tcl_SetObjResult(interp, Tcl_NewWideIntObj((sqlite3_int64)p));
3485   return TCL_OK;
3486 }
3487 /*
3488 ** Usage:   intarray_addr  INT  ...
3489 **
3490 ** Return the address of a C-language array of 32-bit integers.
3491 **
3492 ** Space to hold the array is obtained from malloc().  Call this procedure once
3493 ** with no arguments in order to release memory.  Each call to this procedure
3494 ** overwrites the previous array.
3495 */
3496 static int SQLITE_TCLAPI test_int64array_addr(
3497   void * clientData,
3498   Tcl_Interp *interp,
3499   int objc,
3500   Tcl_Obj *CONST objv[]
3501 ){
3502   int i;
3503   static sqlite3_int64 *p = 0;
3504 
3505   sqlite3_free(p);
3506   p = 0;
3507   if( objc>1 ){
3508     p = sqlite3_malloc( sizeof(p[0])*(objc-1) );
3509     if( p==0 ) return TCL_ERROR;
3510     for(i=0; i<objc-1; i++){
3511       Tcl_WideInt v;
3512       if( Tcl_GetWideIntFromObj(interp, objv[1+i], &v) ){
3513         sqlite3_free(p);
3514         p = 0;
3515         return TCL_ERROR;
3516       }
3517       p[i] = v;
3518     }
3519   }
3520   Tcl_SetObjResult(interp, Tcl_NewWideIntObj((sqlite3_int64)p));
3521   return TCL_OK;
3522 }
3523 /*
3524 ** Usage:   doublearray_addr  INT  ...
3525 **
3526 ** Return the address of a C-language array of doubles.
3527 **
3528 ** Space to hold the array is obtained from malloc().  Call this procedure once
3529 ** with no arguments in order to release memory.  Each call to this procedure
3530 ** overwrites the previous array.
3531 */
3532 static int SQLITE_TCLAPI test_doublearray_addr(
3533   void * clientData,
3534   Tcl_Interp *interp,
3535   int objc,
3536   Tcl_Obj *CONST objv[]
3537 ){
3538   int i;
3539   static double *p = 0;
3540 
3541   sqlite3_free(p);
3542   p = 0;
3543   if( objc>1 ){
3544     p = sqlite3_malloc( sizeof(p[0])*(objc-1) );
3545     if( p==0 ) return TCL_ERROR;
3546     for(i=0; i<objc-1; i++){
3547       if( Tcl_GetDoubleFromObj(interp, objv[1+i], &p[i]) ){
3548         sqlite3_free(p);
3549         p = 0;
3550         return TCL_ERROR;
3551       }
3552     }
3553   }
3554   Tcl_SetObjResult(interp, Tcl_NewWideIntObj((sqlite3_int64)p));
3555   return TCL_OK;
3556 }
3557 /*
3558 ** Usage:   textarray_addr  TEXT ...
3559 **
3560 ** Return the address of a C-language array of strings.
3561 **
3562 ** Space to hold the array is obtained from malloc().  Call this procedure once
3563 ** with no arguments in order to release memory.  Each call to this procedure
3564 ** overwrites the previous array.
3565 */
3566 static int SQLITE_TCLAPI test_textarray_addr(
3567   void * clientData,
3568   Tcl_Interp *interp,
3569   int objc,
3570   Tcl_Obj *CONST objv[]
3571 ){
3572   int i;
3573   static int n = 0;
3574   static char **p = 0;
3575 
3576   for(i=0; i<n; i++) sqlite3_free(p[i]);
3577   sqlite3_free(p);
3578   p = 0;
3579   if( objc>1 ){
3580     p = sqlite3_malloc( sizeof(p[0])*(objc-1) );
3581     if( p==0 ) return TCL_ERROR;
3582     for(i=0; i<objc-1; i++){
3583       p[i] = sqlite3_mprintf("%s", Tcl_GetString(objv[1+i]));
3584     }
3585   }
3586   n = objc-1;
3587   Tcl_SetObjResult(interp, Tcl_NewWideIntObj((sqlite3_int64)p));
3588   return TCL_OK;
3589 }
3590 
3591 
3592 /*
3593 ** Usage:   sqlite3_bind_int64  STMT N VALUE
3594 **
3595 ** Test the sqlite3_bind_int64 interface.  STMT is a prepared statement.
3596 ** N is the index of a wildcard in the prepared statement.  This command
3597 ** binds a 64-bit integer VALUE to that wildcard.
3598 */
3599 static int SQLITE_TCLAPI test_bind_int64(
3600   void * clientData,
3601   Tcl_Interp *interp,
3602   int objc,
3603   Tcl_Obj *CONST objv[]
3604 ){
3605   sqlite3_stmt *pStmt;
3606   int idx;
3607   Tcl_WideInt value;
3608   int rc;
3609 
3610   if( objc!=4 ){
3611     Tcl_AppendResult(interp, "wrong # args: should be \"",
3612         Tcl_GetStringFromObj(objv[0], 0), " STMT N VALUE", 0);
3613     return TCL_ERROR;
3614   }
3615 
3616   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
3617   if( Tcl_GetIntFromObj(interp, objv[2], &idx) ) return TCL_ERROR;
3618   if( Tcl_GetWideIntFromObj(interp, objv[3], &value) ) return TCL_ERROR;
3619 
3620   rc = sqlite3_bind_int64(pStmt, idx, value);
3621   if( sqlite3TestErrCode(interp, StmtToDb(pStmt), rc) ) return TCL_ERROR;
3622   if( rc!=SQLITE_OK ){
3623     return TCL_ERROR;
3624   }
3625 
3626   return TCL_OK;
3627 }
3628 
3629 
3630 /*
3631 ** Usage:   sqlite3_bind_double  STMT N VALUE
3632 **
3633 ** Test the sqlite3_bind_double interface.  STMT is a prepared statement.
3634 ** N is the index of a wildcard in the prepared statement.  This command
3635 ** binds a 64-bit integer VALUE to that wildcard.
3636 */
3637 static int SQLITE_TCLAPI test_bind_double(
3638   void * clientData,
3639   Tcl_Interp *interp,
3640   int objc,
3641   Tcl_Obj *CONST objv[]
3642 ){
3643   sqlite3_stmt *pStmt;
3644   int idx;
3645   double value = 0;
3646   int rc;
3647   const char *zVal;
3648   int i;
3649   static const struct {
3650     const char *zName;     /* Name of the special floating point value */
3651     unsigned int iUpper;   /* Upper 32 bits */
3652     unsigned int iLower;   /* Lower 32 bits */
3653   } aSpecialFp[] = {
3654     {  "NaN",      0x7fffffff, 0xffffffff },
3655     {  "SNaN",     0x7ff7ffff, 0xffffffff },
3656     {  "-NaN",     0xffffffff, 0xffffffff },
3657     {  "-SNaN",    0xfff7ffff, 0xffffffff },
3658     {  "+Inf",     0x7ff00000, 0x00000000 },
3659     {  "-Inf",     0xfff00000, 0x00000000 },
3660     {  "Epsilon",  0x00000000, 0x00000001 },
3661     {  "-Epsilon", 0x80000000, 0x00000001 },
3662     {  "NaN0",     0x7ff80000, 0x00000000 },
3663     {  "-NaN0",    0xfff80000, 0x00000000 },
3664   };
3665 
3666   if( objc!=4 ){
3667     Tcl_AppendResult(interp, "wrong # args: should be \"",
3668         Tcl_GetStringFromObj(objv[0], 0), " STMT N VALUE", 0);
3669     return TCL_ERROR;
3670   }
3671 
3672   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
3673   if( Tcl_GetIntFromObj(interp, objv[2], &idx) ) return TCL_ERROR;
3674 
3675   /* Intercept the string "NaN" and generate a NaN value for it.
3676   ** All other strings are passed through to Tcl_GetDoubleFromObj().
3677   ** Tcl_GetDoubleFromObj() should understand "NaN" but some versions
3678   ** contain a bug.
3679   */
3680   zVal = Tcl_GetString(objv[3]);
3681   for(i=0; i<sizeof(aSpecialFp)/sizeof(aSpecialFp[0]); i++){
3682     if( strcmp(aSpecialFp[i].zName, zVal)==0 ){
3683       sqlite3_uint64 x;
3684       x = aSpecialFp[i].iUpper;
3685       x <<= 32;
3686       x |= aSpecialFp[i].iLower;
3687       assert( sizeof(value)==8 );
3688       assert( sizeof(x)==8 );
3689       memcpy(&value, &x, 8);
3690       break;
3691     }
3692   }
3693   if( i>=sizeof(aSpecialFp)/sizeof(aSpecialFp[0]) &&
3694          Tcl_GetDoubleFromObj(interp, objv[3], &value) ){
3695     return TCL_ERROR;
3696   }
3697   rc = sqlite3_bind_double(pStmt, idx, value);
3698   if( sqlite3TestErrCode(interp, StmtToDb(pStmt), rc) ) return TCL_ERROR;
3699   if( rc!=SQLITE_OK ){
3700     return TCL_ERROR;
3701   }
3702 
3703   return TCL_OK;
3704 }
3705 
3706 /*
3707 ** Usage:   sqlite3_bind_null  STMT N
3708 **
3709 ** Test the sqlite3_bind_null interface.  STMT is a prepared statement.
3710 ** N is the index of a wildcard in the prepared statement.  This command
3711 ** binds a NULL to the wildcard.
3712 */
3713 static int SQLITE_TCLAPI test_bind_null(
3714   void * clientData,
3715   Tcl_Interp *interp,
3716   int objc,
3717   Tcl_Obj *CONST objv[]
3718 ){
3719   sqlite3_stmt *pStmt;
3720   int idx;
3721   int rc;
3722 
3723   if( objc!=3 ){
3724     Tcl_AppendResult(interp, "wrong # args: should be \"",
3725         Tcl_GetStringFromObj(objv[0], 0), " STMT N", 0);
3726     return TCL_ERROR;
3727   }
3728 
3729   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
3730   if( Tcl_GetIntFromObj(interp, objv[2], &idx) ) return TCL_ERROR;
3731 
3732   rc = sqlite3_bind_null(pStmt, idx);
3733   if( sqlite3TestErrCode(interp, StmtToDb(pStmt), rc) ) return TCL_ERROR;
3734   if( rc!=SQLITE_OK ){
3735     return TCL_ERROR;
3736   }
3737 
3738   return TCL_OK;
3739 }
3740 
3741 /*
3742 ** Usage:   sqlite3_bind_text  STMT N STRING BYTES
3743 **
3744 ** Test the sqlite3_bind_text interface.  STMT is a prepared statement.
3745 ** N is the index of a wildcard in the prepared statement.  This command
3746 ** binds a UTF-8 string STRING to the wildcard.  The string is BYTES bytes
3747 ** long.
3748 */
3749 static int SQLITE_TCLAPI test_bind_text(
3750   void * clientData,
3751   Tcl_Interp *interp,
3752   int objc,
3753   Tcl_Obj *CONST objv[]
3754 ){
3755   sqlite3_stmt *pStmt;
3756   int idx;
3757   int bytes;
3758   char *value;
3759   int rc;
3760 
3761   if( objc!=5 ){
3762     Tcl_AppendResult(interp, "wrong # args: should be \"",
3763         Tcl_GetStringFromObj(objv[0], 0), " STMT N VALUE BYTES", 0);
3764     return TCL_ERROR;
3765   }
3766 
3767   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
3768   if( Tcl_GetIntFromObj(interp, objv[2], &idx) ) return TCL_ERROR;
3769   value = (char*)Tcl_GetByteArrayFromObj(objv[3], &bytes);
3770   if( Tcl_GetIntFromObj(interp, objv[4], &bytes) ) return TCL_ERROR;
3771 
3772   rc = sqlite3_bind_text(pStmt, idx, value, bytes, SQLITE_TRANSIENT);
3773   if( sqlite3TestErrCode(interp, StmtToDb(pStmt), rc) ) return TCL_ERROR;
3774   if( rc!=SQLITE_OK ){
3775     Tcl_AppendResult(interp, sqlite3ErrName(rc), 0);
3776     return TCL_ERROR;
3777   }
3778 
3779   return TCL_OK;
3780 }
3781 
3782 /*
3783 ** Usage:   sqlite3_bind_text16 ?-static? STMT N STRING BYTES
3784 **
3785 ** Test the sqlite3_bind_text16 interface.  STMT is a prepared statement.
3786 ** N is the index of a wildcard in the prepared statement.  This command
3787 ** binds a UTF-16 string STRING to the wildcard.  The string is BYTES bytes
3788 ** long.
3789 */
3790 static int SQLITE_TCLAPI test_bind_text16(
3791   void * clientData,
3792   Tcl_Interp *interp,
3793   int objc,
3794   Tcl_Obj *CONST objv[]
3795 ){
3796 #ifndef SQLITE_OMIT_UTF16
3797   sqlite3_stmt *pStmt;
3798   int idx;
3799   int bytes;
3800   char *value;
3801   int rc;
3802 
3803   void (*xDel)(void*) = (objc==6?SQLITE_STATIC:SQLITE_TRANSIENT);
3804   Tcl_Obj *oStmt    = objv[objc-4];
3805   Tcl_Obj *oN       = objv[objc-3];
3806   Tcl_Obj *oString  = objv[objc-2];
3807   Tcl_Obj *oBytes   = objv[objc-1];
3808 
3809   if( objc!=5 && objc!=6){
3810     Tcl_AppendResult(interp, "wrong # args: should be \"",
3811         Tcl_GetStringFromObj(objv[0], 0), " STMT N VALUE BYTES", 0);
3812     return TCL_ERROR;
3813   }
3814 
3815   if( getStmtPointer(interp, Tcl_GetString(oStmt), &pStmt) ) return TCL_ERROR;
3816   if( Tcl_GetIntFromObj(interp, oN, &idx) ) return TCL_ERROR;
3817   value = (char*)Tcl_GetByteArrayFromObj(oString, 0);
3818   if( Tcl_GetIntFromObj(interp, oBytes, &bytes) ) return TCL_ERROR;
3819 
3820   rc = sqlite3_bind_text16(pStmt, idx, (void *)value, bytes, xDel);
3821   if( sqlite3TestErrCode(interp, StmtToDb(pStmt), rc) ) return TCL_ERROR;
3822   if( rc!=SQLITE_OK ){
3823     Tcl_AppendResult(interp, sqlite3ErrName(rc), 0);
3824     return TCL_ERROR;
3825   }
3826 
3827 #endif /* SQLITE_OMIT_UTF16 */
3828   return TCL_OK;
3829 }
3830 
3831 /*
3832 ** Usage:   sqlite3_bind_blob ?-static? STMT N DATA BYTES
3833 **
3834 ** Test the sqlite3_bind_blob interface.  STMT is a prepared statement.
3835 ** N is the index of a wildcard in the prepared statement.  This command
3836 ** binds a BLOB to the wildcard.  The BLOB is BYTES bytes in size.
3837 */
3838 static int SQLITE_TCLAPI test_bind_blob(
3839   void * clientData,
3840   Tcl_Interp *interp,
3841   int objc,
3842   Tcl_Obj *CONST objv[]
3843 ){
3844   sqlite3_stmt *pStmt;
3845   int len, idx;
3846   int bytes;
3847   char *value;
3848   int rc;
3849   sqlite3_destructor_type xDestructor = SQLITE_TRANSIENT;
3850 
3851   if( objc!=5 && objc!=6 ){
3852     Tcl_AppendResult(interp, "wrong # args: should be \"",
3853         Tcl_GetStringFromObj(objv[0], 0), " STMT N DATA BYTES", 0);
3854     return TCL_ERROR;
3855   }
3856 
3857   if( objc==6 ){
3858     xDestructor = SQLITE_STATIC;
3859     objv++;
3860   }
3861 
3862   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
3863   if( Tcl_GetIntFromObj(interp, objv[2], &idx) ) return TCL_ERROR;
3864 
3865   value = (char*)Tcl_GetByteArrayFromObj(objv[3], &len);
3866   if( Tcl_GetIntFromObj(interp, objv[4], &bytes) ) return TCL_ERROR;
3867 
3868   if( bytes>len ){
3869     char zBuf[200];
3870     sqlite3_snprintf(sizeof(zBuf), zBuf,
3871                      "cannot use %d blob bytes, have %d", bytes, len);
3872     Tcl_AppendResult(interp, zBuf, -1);
3873     return TCL_ERROR;
3874   }
3875 
3876   rc = sqlite3_bind_blob(pStmt, idx, value, bytes, xDestructor);
3877   if( sqlite3TestErrCode(interp, StmtToDb(pStmt), rc) ) return TCL_ERROR;
3878   if( rc!=SQLITE_OK ){
3879     return TCL_ERROR;
3880   }
3881 
3882   return TCL_OK;
3883 }
3884 
3885 /*
3886 ** Usage:   sqlite3_bind_parameter_count  STMT
3887 **
3888 ** Return the number of wildcards in the given statement.
3889 */
3890 static int SQLITE_TCLAPI test_bind_parameter_count(
3891   void * clientData,
3892   Tcl_Interp *interp,
3893   int objc,
3894   Tcl_Obj *CONST objv[]
3895 ){
3896   sqlite3_stmt *pStmt;
3897 
3898   if( objc!=2 ){
3899     Tcl_WrongNumArgs(interp, 1, objv, "STMT");
3900     return TCL_ERROR;
3901   }
3902   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
3903   Tcl_SetObjResult(interp, Tcl_NewIntObj(sqlite3_bind_parameter_count(pStmt)));
3904   return TCL_OK;
3905 }
3906 
3907 /*
3908 ** Usage:   sqlite3_bind_parameter_name  STMT  N
3909 **
3910 ** Return the name of the Nth wildcard.  The first wildcard is 1.
3911 ** An empty string is returned if N is out of range or if the wildcard
3912 ** is nameless.
3913 */
3914 static int SQLITE_TCLAPI test_bind_parameter_name(
3915   void * clientData,
3916   Tcl_Interp *interp,
3917   int objc,
3918   Tcl_Obj *CONST objv[]
3919 ){
3920   sqlite3_stmt *pStmt;
3921   int i;
3922 
3923   if( objc!=3 ){
3924     Tcl_WrongNumArgs(interp, 1, objv, "STMT N");
3925     return TCL_ERROR;
3926   }
3927   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
3928   if( Tcl_GetIntFromObj(interp, objv[2], &i) ) return TCL_ERROR;
3929   Tcl_SetObjResult(interp,
3930      Tcl_NewStringObj(sqlite3_bind_parameter_name(pStmt,i),-1)
3931   );
3932   return TCL_OK;
3933 }
3934 
3935 /*
3936 ** Usage:   sqlite3_bind_parameter_index  STMT  NAME
3937 **
3938 ** Return the index of the wildcard called NAME.  Return 0 if there is
3939 ** no such wildcard.
3940 */
3941 static int SQLITE_TCLAPI test_bind_parameter_index(
3942   void * clientData,
3943   Tcl_Interp *interp,
3944   int objc,
3945   Tcl_Obj *CONST objv[]
3946 ){
3947   sqlite3_stmt *pStmt;
3948 
3949   if( objc!=3 ){
3950     Tcl_WrongNumArgs(interp, 1, objv, "STMT NAME");
3951     return TCL_ERROR;
3952   }
3953   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
3954   Tcl_SetObjResult(interp,
3955      Tcl_NewIntObj(
3956        sqlite3_bind_parameter_index(pStmt,Tcl_GetString(objv[2]))
3957      )
3958   );
3959   return TCL_OK;
3960 }
3961 
3962 /*
3963 ** Usage:   sqlite3_clear_bindings STMT
3964 **
3965 */
3966 static int SQLITE_TCLAPI test_clear_bindings(
3967   void * clientData,
3968   Tcl_Interp *interp,
3969   int objc,
3970   Tcl_Obj *CONST objv[]
3971 ){
3972   sqlite3_stmt *pStmt;
3973 
3974   if( objc!=2 ){
3975     Tcl_WrongNumArgs(interp, 1, objv, "STMT");
3976     return TCL_ERROR;
3977   }
3978   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
3979   Tcl_SetObjResult(interp, Tcl_NewIntObj(sqlite3_clear_bindings(pStmt)));
3980   return TCL_OK;
3981 }
3982 
3983 /*
3984 ** Usage:   sqlite3_sleep MILLISECONDS
3985 */
3986 static int SQLITE_TCLAPI test_sleep(
3987   void * clientData,
3988   Tcl_Interp *interp,
3989   int objc,
3990   Tcl_Obj *CONST objv[]
3991 ){
3992   int ms;
3993 
3994   if( objc!=2 ){
3995     Tcl_WrongNumArgs(interp, 1, objv, "MILLISECONDS");
3996     return TCL_ERROR;
3997   }
3998   if( Tcl_GetIntFromObj(interp, objv[1], &ms) ){
3999     return TCL_ERROR;
4000   }
4001   Tcl_SetObjResult(interp, Tcl_NewIntObj(sqlite3_sleep(ms)));
4002   return TCL_OK;
4003 }
4004 
4005 /*
4006 ** Usage: sqlite3_extended_errcode DB
4007 **
4008 ** Return the string representation of the most recent sqlite3_* API
4009 ** error code. e.g. "SQLITE_ERROR".
4010 */
4011 static int SQLITE_TCLAPI test_ex_errcode(
4012   void * clientData,
4013   Tcl_Interp *interp,
4014   int objc,
4015   Tcl_Obj *CONST objv[]
4016 ){
4017   sqlite3 *db;
4018   int rc;
4019 
4020   if( objc!=2 ){
4021     Tcl_AppendResult(interp, "wrong # args: should be \"",
4022        Tcl_GetString(objv[0]), " DB", 0);
4023     return TCL_ERROR;
4024   }
4025   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
4026   rc = sqlite3_extended_errcode(db);
4027   Tcl_AppendResult(interp, (char *)t1ErrorName(rc), 0);
4028   return TCL_OK;
4029 }
4030 
4031 
4032 /*
4033 ** Usage: sqlite3_errcode DB
4034 **
4035 ** Return the string representation of the most recent sqlite3_* API
4036 ** error code. e.g. "SQLITE_ERROR".
4037 */
4038 static int SQLITE_TCLAPI test_errcode(
4039   void * clientData,
4040   Tcl_Interp *interp,
4041   int objc,
4042   Tcl_Obj *CONST objv[]
4043 ){
4044   sqlite3 *db;
4045   int rc;
4046 
4047   if( objc!=2 ){
4048     Tcl_AppendResult(interp, "wrong # args: should be \"",
4049        Tcl_GetString(objv[0]), " DB", 0);
4050     return TCL_ERROR;
4051   }
4052   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
4053   rc = sqlite3_errcode(db);
4054   Tcl_AppendResult(interp, (char *)t1ErrorName(rc), 0);
4055   return TCL_OK;
4056 }
4057 
4058 /*
4059 ** Usage:   sqlite3_errmsg DB
4060 **
4061 ** Returns the UTF-8 representation of the error message string for the
4062 ** most recent sqlite3_* API call.
4063 */
4064 static int SQLITE_TCLAPI test_errmsg(
4065   void * clientData,
4066   Tcl_Interp *interp,
4067   int objc,
4068   Tcl_Obj *CONST objv[]
4069 ){
4070   sqlite3 *db;
4071   const char *zErr;
4072 
4073   if( objc!=2 ){
4074     Tcl_AppendResult(interp, "wrong # args: should be \"",
4075        Tcl_GetString(objv[0]), " DB", 0);
4076     return TCL_ERROR;
4077   }
4078   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
4079 
4080   zErr = sqlite3_errmsg(db);
4081   Tcl_SetObjResult(interp, Tcl_NewStringObj(zErr, -1));
4082   return TCL_OK;
4083 }
4084 
4085 /*
4086 ** Usage:   test_errmsg16 DB
4087 **
4088 ** Returns the UTF-16 representation of the error message string for the
4089 ** most recent sqlite3_* API call. This is a byte array object at the TCL
4090 ** level, and it includes the 0x00 0x00 terminator bytes at the end of the
4091 ** UTF-16 string.
4092 */
4093 static int SQLITE_TCLAPI test_errmsg16(
4094   void * clientData,
4095   Tcl_Interp *interp,
4096   int objc,
4097   Tcl_Obj *CONST objv[]
4098 ){
4099 #ifndef SQLITE_OMIT_UTF16
4100   sqlite3 *db;
4101   const void *zErr;
4102   const char *z;
4103   int bytes = 0;
4104 
4105   if( objc!=2 ){
4106     Tcl_AppendResult(interp, "wrong # args: should be \"",
4107        Tcl_GetString(objv[0]), " DB", 0);
4108     return TCL_ERROR;
4109   }
4110   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
4111 
4112   zErr = sqlite3_errmsg16(db);
4113   if( zErr ){
4114     z = zErr;
4115     for(bytes=0; z[bytes] || z[bytes+1]; bytes+=2){}
4116   }
4117   Tcl_SetObjResult(interp, Tcl_NewByteArrayObj(zErr, bytes));
4118 #endif /* SQLITE_OMIT_UTF16 */
4119   return TCL_OK;
4120 }
4121 
4122 /*
4123 ** Usage: sqlite3_prepare DB sql bytes ?tailvar?
4124 **
4125 ** Compile up to <bytes> bytes of the supplied SQL string <sql> using
4126 ** database handle <DB>. The parameter <tailval> is the name of a global
4127 ** variable that is set to the unused portion of <sql> (if any). A
4128 ** STMT handle is returned.
4129 */
4130 static int SQLITE_TCLAPI test_prepare(
4131   void * clientData,
4132   Tcl_Interp *interp,
4133   int objc,
4134   Tcl_Obj *CONST objv[]
4135 ){
4136   sqlite3 *db;
4137   const char *zSql;
4138   int bytes;
4139   const char *zTail = 0;
4140   sqlite3_stmt *pStmt = 0;
4141   char zBuf[50];
4142   int rc;
4143 
4144   if( objc!=5 && objc!=4 ){
4145     Tcl_AppendResult(interp, "wrong # args: should be \"",
4146        Tcl_GetString(objv[0]), " DB sql bytes ?tailvar?", 0);
4147     return TCL_ERROR;
4148   }
4149   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
4150   zSql = Tcl_GetString(objv[2]);
4151   if( Tcl_GetIntFromObj(interp, objv[3], &bytes) ) return TCL_ERROR;
4152 
4153   rc = sqlite3_prepare(db, zSql, bytes, &pStmt, objc>=5 ? &zTail : 0);
4154   Tcl_ResetResult(interp);
4155   if( sqlite3TestErrCode(interp, db, rc) ) return TCL_ERROR;
4156   if( zTail && objc>=5 ){
4157     if( bytes>=0 ){
4158       bytes = bytes - (int)(zTail-zSql);
4159     }
4160     if( (int)strlen(zTail)<bytes ){
4161       bytes = (int)strlen(zTail);
4162     }
4163     Tcl_ObjSetVar2(interp, objv[4], 0, Tcl_NewStringObj(zTail, bytes), 0);
4164   }
4165   if( rc!=SQLITE_OK ){
4166     assert( pStmt==0 );
4167     sqlite3_snprintf(sizeof(zBuf), zBuf, "(%d) ", rc);
4168     Tcl_AppendResult(interp, zBuf, sqlite3_errmsg(db), 0);
4169     return TCL_ERROR;
4170   }
4171 
4172   if( pStmt ){
4173     if( sqlite3TestMakePointerStr(interp, zBuf, pStmt) ) return TCL_ERROR;
4174     Tcl_AppendResult(interp, zBuf, 0);
4175   }
4176   return TCL_OK;
4177 }
4178 
4179 /*
4180 ** Usage: sqlite3_prepare_v2 DB sql bytes ?tailvar?
4181 **
4182 ** Compile up to <bytes> bytes of the supplied SQL string <sql> using
4183 ** database handle <DB>. The parameter <tailval> is the name of a global
4184 ** variable that is set to the unused portion of <sql> (if any). A
4185 ** STMT handle is returned.
4186 */
4187 static int SQLITE_TCLAPI test_prepare_v2(
4188   void * clientData,
4189   Tcl_Interp *interp,
4190   int objc,
4191   Tcl_Obj *CONST objv[]
4192 ){
4193   sqlite3 *db;
4194   const char *zSql;
4195   char *zCopy = 0;                /* malloc() copy of zSql */
4196   int bytes;
4197   const char *zTail = 0;
4198   sqlite3_stmt *pStmt = 0;
4199   char zBuf[50];
4200   int rc;
4201 
4202   if( objc!=5 && objc!=4 ){
4203     Tcl_AppendResult(interp, "wrong # args: should be \"",
4204        Tcl_GetString(objv[0]), " DB sql bytes tailvar", 0);
4205     return TCL_ERROR;
4206   }
4207   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
4208   zSql = Tcl_GetString(objv[2]);
4209   if( Tcl_GetIntFromObj(interp, objv[3], &bytes) ) return TCL_ERROR;
4210 
4211   /* Instead of using zSql directly, make a copy into a buffer obtained
4212   ** directly from malloc(). The idea is to make it easier for valgrind
4213   ** to spot buffer overreads.  */
4214   if( bytes>=0 ){
4215     zCopy = malloc(bytes);
4216     memcpy(zCopy, zSql, bytes);
4217   }else{
4218     int n = (int)strlen(zSql) + 1;
4219     zCopy = malloc(n);
4220     memcpy(zCopy, zSql, n);
4221   }
4222   rc = sqlite3_prepare_v2(db, zCopy, bytes, &pStmt, objc>=5 ? &zTail : 0);
4223   free(zCopy);
4224   zTail = &zSql[(zTail - zCopy)];
4225 
4226   assert(rc==SQLITE_OK || pStmt==0);
4227   Tcl_ResetResult(interp);
4228   if( sqlite3TestErrCode(interp, db, rc) ) return TCL_ERROR;
4229   if( rc==SQLITE_OK && zTail && objc>=5 ){
4230     if( bytes>=0 ){
4231       bytes = bytes - (int)(zTail-zSql);
4232     }
4233     Tcl_ObjSetVar2(interp, objv[4], 0, Tcl_NewStringObj(zTail, bytes), 0);
4234   }
4235   if( rc!=SQLITE_OK ){
4236     assert( pStmt==0 );
4237     sqlite3_snprintf(sizeof(zBuf), zBuf, "(%d) ", rc);
4238     Tcl_AppendResult(interp, zBuf, sqlite3_errmsg(db), 0);
4239     return TCL_ERROR;
4240   }
4241 
4242   if( pStmt ){
4243     if( sqlite3TestMakePointerStr(interp, zBuf, pStmt) ) return TCL_ERROR;
4244     Tcl_AppendResult(interp, zBuf, 0);
4245   }
4246   return TCL_OK;
4247 }
4248 
4249 /*
4250 ** Usage: sqlite3_prepare_tkt3134 DB
4251 **
4252 ** Generate a prepared statement for a zero-byte string as a test
4253 ** for ticket #3134.  The string should be preceded by a zero byte.
4254 */
4255 static int SQLITE_TCLAPI test_prepare_tkt3134(
4256   void * clientData,
4257   Tcl_Interp *interp,
4258   int objc,
4259   Tcl_Obj *CONST objv[]
4260 ){
4261   sqlite3 *db;
4262   static const char zSql[] = "\000SELECT 1";
4263   sqlite3_stmt *pStmt = 0;
4264   char zBuf[50];
4265   int rc;
4266 
4267   if( objc!=2 ){
4268     Tcl_AppendResult(interp, "wrong # args: should be \"",
4269        Tcl_GetString(objv[0]), " DB sql bytes tailvar", 0);
4270     return TCL_ERROR;
4271   }
4272   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
4273   rc = sqlite3_prepare_v2(db, &zSql[1], 0, &pStmt, 0);
4274   assert(rc==SQLITE_OK || pStmt==0);
4275   if( sqlite3TestErrCode(interp, db, rc) ) return TCL_ERROR;
4276   if( rc!=SQLITE_OK ){
4277     assert( pStmt==0 );
4278     sqlite3_snprintf(sizeof(zBuf), zBuf, "(%d) ", rc);
4279     Tcl_AppendResult(interp, zBuf, sqlite3_errmsg(db), 0);
4280     return TCL_ERROR;
4281   }
4282 
4283   if( pStmt ){
4284     if( sqlite3TestMakePointerStr(interp, zBuf, pStmt) ) return TCL_ERROR;
4285     Tcl_AppendResult(interp, zBuf, 0);
4286   }
4287   return TCL_OK;
4288 }
4289 
4290 /*
4291 ** Usage: sqlite3_prepare16 DB sql bytes tailvar
4292 **
4293 ** Compile up to <bytes> bytes of the supplied SQL string <sql> using
4294 ** database handle <DB>. The parameter <tailval> is the name of a global
4295 ** variable that is set to the unused portion of <sql> (if any). A
4296 ** STMT handle is returned.
4297 */
4298 static int SQLITE_TCLAPI test_prepare16(
4299   void * clientData,
4300   Tcl_Interp *interp,
4301   int objc,
4302   Tcl_Obj *CONST objv[]
4303 ){
4304 #ifndef SQLITE_OMIT_UTF16
4305   sqlite3 *db;
4306   const void *zSql;
4307   const void *zTail = 0;
4308   Tcl_Obj *pTail = 0;
4309   sqlite3_stmt *pStmt = 0;
4310   char zBuf[50];
4311   int rc;
4312   int bytes;                /* The integer specified as arg 3 */
4313   int objlen;               /* The byte-array length of arg 2 */
4314 
4315   if( objc!=5 && objc!=4 ){
4316     Tcl_AppendResult(interp, "wrong # args: should be \"",
4317        Tcl_GetString(objv[0]), " DB sql bytes ?tailvar?", 0);
4318     return TCL_ERROR;
4319   }
4320   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
4321   zSql = Tcl_GetByteArrayFromObj(objv[2], &objlen);
4322   if( Tcl_GetIntFromObj(interp, objv[3], &bytes) ) return TCL_ERROR;
4323 
4324   rc = sqlite3_prepare16(db, zSql, bytes, &pStmt, objc>=5 ? &zTail : 0);
4325   if( sqlite3TestErrCode(interp, db, rc) ) return TCL_ERROR;
4326   if( rc ){
4327     return TCL_ERROR;
4328   }
4329 
4330   if( objc>=5 ){
4331     if( zTail ){
4332       objlen = objlen - (int)((u8 *)zTail-(u8 *)zSql);
4333     }else{
4334       objlen = 0;
4335     }
4336     pTail = Tcl_NewByteArrayObj((u8 *)zTail, objlen);
4337     Tcl_IncrRefCount(pTail);
4338     Tcl_ObjSetVar2(interp, objv[4], 0, pTail, 0);
4339     Tcl_DecrRefCount(pTail);
4340   }
4341 
4342   if( pStmt ){
4343     if( sqlite3TestMakePointerStr(interp, zBuf, pStmt) ) return TCL_ERROR;
4344   }
4345   Tcl_AppendResult(interp, zBuf, 0);
4346 #endif /* SQLITE_OMIT_UTF16 */
4347   return TCL_OK;
4348 }
4349 
4350 /*
4351 ** Usage: sqlite3_prepare16_v2 DB sql bytes ?tailvar?
4352 **
4353 ** Compile up to <bytes> bytes of the supplied SQL string <sql> using
4354 ** database handle <DB>. The parameter <tailval> is the name of a global
4355 ** variable that is set to the unused portion of <sql> (if any). A
4356 ** STMT handle is returned.
4357 */
4358 static int SQLITE_TCLAPI test_prepare16_v2(
4359   void * clientData,
4360   Tcl_Interp *interp,
4361   int objc,
4362   Tcl_Obj *CONST objv[]
4363 ){
4364 #ifndef SQLITE_OMIT_UTF16
4365   sqlite3 *db;
4366   const void *zSql;
4367   const void *zTail = 0;
4368   Tcl_Obj *pTail = 0;
4369   sqlite3_stmt *pStmt = 0;
4370   char zBuf[50];
4371   int rc;
4372   int bytes;                /* The integer specified as arg 3 */
4373   int objlen;               /* The byte-array length of arg 2 */
4374 
4375   if( objc!=5 && objc!=4 ){
4376     Tcl_AppendResult(interp, "wrong # args: should be \"",
4377        Tcl_GetString(objv[0]), " DB sql bytes ?tailvar?", 0);
4378     return TCL_ERROR;
4379   }
4380   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
4381   zSql = Tcl_GetByteArrayFromObj(objv[2], &objlen);
4382   if( Tcl_GetIntFromObj(interp, objv[3], &bytes) ) return TCL_ERROR;
4383 
4384   rc = sqlite3_prepare16_v2(db, zSql, bytes, &pStmt, objc>=5 ? &zTail : 0);
4385   if( sqlite3TestErrCode(interp, db, rc) ) return TCL_ERROR;
4386   if( rc ){
4387     return TCL_ERROR;
4388   }
4389 
4390   if( objc>=5 ){
4391     if( zTail ){
4392       objlen = objlen - (int)((u8 *)zTail-(u8 *)zSql);
4393     }else{
4394       objlen = 0;
4395     }
4396     pTail = Tcl_NewByteArrayObj((u8 *)zTail, objlen);
4397     Tcl_IncrRefCount(pTail);
4398     Tcl_ObjSetVar2(interp, objv[4], 0, pTail, 0);
4399     Tcl_DecrRefCount(pTail);
4400   }
4401 
4402   if( pStmt ){
4403     if( sqlite3TestMakePointerStr(interp, zBuf, pStmt) ) return TCL_ERROR;
4404   }
4405   Tcl_AppendResult(interp, zBuf, 0);
4406 #endif /* SQLITE_OMIT_UTF16 */
4407   return TCL_OK;
4408 }
4409 
4410 /*
4411 ** Usage: sqlite3_open filename ?options-list?
4412 */
4413 static int SQLITE_TCLAPI test_open(
4414   void * clientData,
4415   Tcl_Interp *interp,
4416   int objc,
4417   Tcl_Obj *CONST objv[]
4418 ){
4419   const char *zFilename;
4420   sqlite3 *db;
4421   char zBuf[100];
4422 
4423   if( objc!=3 && objc!=2 && objc!=1 ){
4424     Tcl_AppendResult(interp, "wrong # args: should be \"",
4425        Tcl_GetString(objv[0]), " filename options-list", 0);
4426     return TCL_ERROR;
4427   }
4428 
4429   zFilename = objc>1 ? Tcl_GetString(objv[1]) : 0;
4430   sqlite3_open(zFilename, &db);
4431 
4432   if( sqlite3TestMakePointerStr(interp, zBuf, db) ) return TCL_ERROR;
4433   Tcl_AppendResult(interp, zBuf, 0);
4434   return TCL_OK;
4435 }
4436 
4437 /*
4438 ** Usage: sqlite3_open_v2 FILENAME FLAGS VFS
4439 */
4440 static int SQLITE_TCLAPI test_open_v2(
4441   void * clientData,
4442   Tcl_Interp *interp,
4443   int objc,
4444   Tcl_Obj *CONST objv[]
4445 ){
4446   const char *zFilename;
4447   const char *zVfs;
4448   int flags = 0;
4449   sqlite3 *db;
4450   int rc;
4451   char zBuf[100];
4452 
4453   int nFlag;
4454   Tcl_Obj **apFlag;
4455   int i;
4456 
4457   if( objc!=4 ){
4458     Tcl_WrongNumArgs(interp, 1, objv, "FILENAME FLAGS VFS");
4459     return TCL_ERROR;
4460   }
4461   zFilename = Tcl_GetString(objv[1]);
4462   zVfs = Tcl_GetString(objv[3]);
4463   if( zVfs[0]==0x00 ) zVfs = 0;
4464 
4465   rc = Tcl_ListObjGetElements(interp, objv[2], &nFlag, &apFlag);
4466   if( rc!=TCL_OK ) return rc;
4467   for(i=0; i<nFlag; i++){
4468     int iFlag;
4469     struct OpenFlag {
4470       const char *zFlag;
4471       int flag;
4472     } aFlag[] = {
4473       { "SQLITE_OPEN_READONLY", SQLITE_OPEN_READONLY },
4474       { "SQLITE_OPEN_READWRITE", SQLITE_OPEN_READWRITE },
4475       { "SQLITE_OPEN_CREATE", SQLITE_OPEN_CREATE },
4476       { "SQLITE_OPEN_DELETEONCLOSE", SQLITE_OPEN_DELETEONCLOSE },
4477       { "SQLITE_OPEN_EXCLUSIVE", SQLITE_OPEN_EXCLUSIVE },
4478       { "SQLITE_OPEN_AUTOPROXY", SQLITE_OPEN_AUTOPROXY },
4479       { "SQLITE_OPEN_MAIN_DB", SQLITE_OPEN_MAIN_DB },
4480       { "SQLITE_OPEN_TEMP_DB", SQLITE_OPEN_TEMP_DB },
4481       { "SQLITE_OPEN_TRANSIENT_DB", SQLITE_OPEN_TRANSIENT_DB },
4482       { "SQLITE_OPEN_MAIN_JOURNAL", SQLITE_OPEN_MAIN_JOURNAL },
4483       { "SQLITE_OPEN_TEMP_JOURNAL", SQLITE_OPEN_TEMP_JOURNAL },
4484       { "SQLITE_OPEN_SUBJOURNAL", SQLITE_OPEN_SUBJOURNAL },
4485       { "SQLITE_OPEN_MASTER_JOURNAL", SQLITE_OPEN_MASTER_JOURNAL },
4486       { "SQLITE_OPEN_NOMUTEX", SQLITE_OPEN_NOMUTEX },
4487       { "SQLITE_OPEN_FULLMUTEX", SQLITE_OPEN_FULLMUTEX },
4488       { "SQLITE_OPEN_SHAREDCACHE", SQLITE_OPEN_SHAREDCACHE },
4489       { "SQLITE_OPEN_PRIVATECACHE", SQLITE_OPEN_PRIVATECACHE },
4490       { "SQLITE_OPEN_WAL", SQLITE_OPEN_WAL },
4491       { "SQLITE_OPEN_URI", SQLITE_OPEN_URI },
4492       { 0, 0 }
4493     };
4494     rc = Tcl_GetIndexFromObjStruct(interp, apFlag[i], aFlag, sizeof(aFlag[0]),
4495         "flag", 0, &iFlag
4496     );
4497     if( rc!=TCL_OK ) return rc;
4498     flags |= aFlag[iFlag].flag;
4499   }
4500 
4501   rc = sqlite3_open_v2(zFilename, &db, flags, zVfs);
4502   if( sqlite3TestMakePointerStr(interp, zBuf, db) ) return TCL_ERROR;
4503   Tcl_AppendResult(interp, zBuf, 0);
4504   return TCL_OK;
4505 }
4506 
4507 /*
4508 ** Usage: sqlite3_open16 filename options
4509 */
4510 static int SQLITE_TCLAPI test_open16(
4511   void * clientData,
4512   Tcl_Interp *interp,
4513   int objc,
4514   Tcl_Obj *CONST objv[]
4515 ){
4516 #ifndef SQLITE_OMIT_UTF16
4517   const void *zFilename;
4518   sqlite3 *db;
4519   char zBuf[100];
4520 
4521   if( objc!=3 ){
4522     Tcl_AppendResult(interp, "wrong # args: should be \"",
4523        Tcl_GetString(objv[0]), " filename options-list", 0);
4524     return TCL_ERROR;
4525   }
4526 
4527   zFilename = Tcl_GetByteArrayFromObj(objv[1], 0);
4528   sqlite3_open16(zFilename, &db);
4529 
4530   if( sqlite3TestMakePointerStr(interp, zBuf, db) ) return TCL_ERROR;
4531   Tcl_AppendResult(interp, zBuf, 0);
4532 #endif /* SQLITE_OMIT_UTF16 */
4533   return TCL_OK;
4534 }
4535 
4536 /*
4537 ** Usage: sqlite3_complete16 <UTF-16 string>
4538 **
4539 ** Return 1 if the supplied argument is a complete SQL statement, or zero
4540 ** otherwise.
4541 */
4542 static int SQLITE_TCLAPI test_complete16(
4543   void * clientData,
4544   Tcl_Interp *interp,
4545   int objc,
4546   Tcl_Obj *CONST objv[]
4547 ){
4548 #if !defined(SQLITE_OMIT_COMPLETE) && !defined(SQLITE_OMIT_UTF16)
4549   char *zBuf;
4550 
4551   if( objc!=2 ){
4552     Tcl_WrongNumArgs(interp, 1, objv, "<utf-16 sql>");
4553     return TCL_ERROR;
4554   }
4555 
4556   zBuf = (char*)Tcl_GetByteArrayFromObj(objv[1], 0);
4557   Tcl_SetObjResult(interp, Tcl_NewIntObj(sqlite3_complete16(zBuf)));
4558 #endif /* SQLITE_OMIT_COMPLETE && SQLITE_OMIT_UTF16 */
4559   return TCL_OK;
4560 }
4561 
4562 /*
4563 ** Usage: sqlite3_normalize SQL
4564 **
4565 ** Return the normalized value for an SQL statement.
4566 */
4567 static int SQLITE_TCLAPI test_normalize(
4568   void * clientData,
4569   Tcl_Interp *interp,
4570   int objc,
4571   Tcl_Obj *CONST objv[]
4572 ){
4573   char *zSql;
4574   char *zNorm;
4575   extern char *sqlite3_normalize(const char*);
4576 
4577   if( objc!=2 ){
4578     Tcl_WrongNumArgs(interp, 1, objv, "SQL");
4579     return TCL_ERROR;
4580   }
4581 
4582   zSql = (char*)Tcl_GetString(objv[1]);
4583   zNorm = sqlite3_normalize(zSql);
4584   if( zNorm ){
4585     Tcl_SetObjResult(interp, Tcl_NewStringObj(zNorm, -1));
4586     sqlite3_free(zNorm);
4587   }
4588   return TCL_OK;
4589 }
4590 
4591 /*
4592 ** Usage: sqlite3_step STMT
4593 **
4594 ** Advance the statement to the next row.
4595 */
4596 static int SQLITE_TCLAPI test_step(
4597   void * clientData,
4598   Tcl_Interp *interp,
4599   int objc,
4600   Tcl_Obj *CONST objv[]
4601 ){
4602   sqlite3_stmt *pStmt;
4603   int rc;
4604 
4605   if( objc!=2 ){
4606     Tcl_AppendResult(interp, "wrong # args: should be \"",
4607        Tcl_GetString(objv[0]), " STMT", 0);
4608     return TCL_ERROR;
4609   }
4610 
4611   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
4612   rc = sqlite3_step(pStmt);
4613 
4614   /* if( rc!=SQLITE_DONE && rc!=SQLITE_ROW ) return TCL_ERROR; */
4615   Tcl_SetResult(interp, (char *)t1ErrorName(rc), 0);
4616   return TCL_OK;
4617 }
4618 
4619 static int SQLITE_TCLAPI test_sql(
4620   void * clientData,
4621   Tcl_Interp *interp,
4622   int objc,
4623   Tcl_Obj *CONST objv[]
4624 ){
4625   sqlite3_stmt *pStmt;
4626 
4627   if( objc!=2 ){
4628     Tcl_WrongNumArgs(interp, 1, objv, "STMT");
4629     return TCL_ERROR;
4630   }
4631 
4632   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
4633   Tcl_SetResult(interp, (char *)sqlite3_sql(pStmt), TCL_VOLATILE);
4634   return TCL_OK;
4635 }
4636 static int SQLITE_TCLAPI test_ex_sql(
4637   void * clientData,
4638   Tcl_Interp *interp,
4639   int objc,
4640   Tcl_Obj *CONST objv[]
4641 ){
4642   sqlite3_stmt *pStmt;
4643   char *z;
4644 
4645   if( objc!=2 ){
4646     Tcl_WrongNumArgs(interp, 1, objv, "STMT");
4647     return TCL_ERROR;
4648   }
4649 
4650   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
4651   z = sqlite3_expanded_sql(pStmt);
4652   Tcl_SetResult(interp, z, TCL_VOLATILE);
4653   sqlite3_free(z);
4654   return TCL_OK;
4655 }
4656 
4657 /*
4658 ** Usage: sqlite3_column_count STMT
4659 **
4660 ** Return the number of columns returned by the sql statement STMT.
4661 */
4662 static int SQLITE_TCLAPI test_column_count(
4663   void * clientData,
4664   Tcl_Interp *interp,
4665   int objc,
4666   Tcl_Obj *CONST objv[]
4667 ){
4668   sqlite3_stmt *pStmt;
4669 
4670   if( objc!=2 ){
4671     Tcl_AppendResult(interp, "wrong # args: should be \"",
4672        Tcl_GetString(objv[0]), " STMT column", 0);
4673     return TCL_ERROR;
4674   }
4675 
4676   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
4677 
4678   Tcl_SetObjResult(interp, Tcl_NewIntObj(sqlite3_column_count(pStmt)));
4679   return TCL_OK;
4680 }
4681 
4682 /*
4683 ** Usage: sqlite3_column_type STMT column
4684 **
4685 ** Return the type of the data in column 'column' of the current row.
4686 */
4687 static int SQLITE_TCLAPI test_column_type(
4688   void * clientData,
4689   Tcl_Interp *interp,
4690   int objc,
4691   Tcl_Obj *CONST objv[]
4692 ){
4693   sqlite3_stmt *pStmt;
4694   int col;
4695   int tp;
4696 
4697   if( objc!=3 ){
4698     Tcl_AppendResult(interp, "wrong # args: should be \"",
4699        Tcl_GetString(objv[0]), " STMT column", 0);
4700     return TCL_ERROR;
4701   }
4702 
4703   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
4704   if( Tcl_GetIntFromObj(interp, objv[2], &col) ) return TCL_ERROR;
4705 
4706   tp = sqlite3_column_type(pStmt, col);
4707   switch( tp ){
4708     case SQLITE_INTEGER:
4709       Tcl_SetResult(interp, "INTEGER", TCL_STATIC);
4710       break;
4711     case SQLITE_NULL:
4712       Tcl_SetResult(interp, "NULL", TCL_STATIC);
4713       break;
4714     case SQLITE_FLOAT:
4715       Tcl_SetResult(interp, "FLOAT", TCL_STATIC);
4716       break;
4717     case SQLITE_TEXT:
4718       Tcl_SetResult(interp, "TEXT", TCL_STATIC);
4719       break;
4720     case SQLITE_BLOB:
4721       Tcl_SetResult(interp, "BLOB", TCL_STATIC);
4722       break;
4723     default:
4724       assert(0);
4725   }
4726 
4727   return TCL_OK;
4728 }
4729 
4730 /*
4731 ** Usage: sqlite3_column_int64 STMT column
4732 **
4733 ** Return the data in column 'column' of the current row cast as an
4734 ** wide (64-bit) integer.
4735 */
4736 static int SQLITE_TCLAPI test_column_int64(
4737   void * clientData,
4738   Tcl_Interp *interp,
4739   int objc,
4740   Tcl_Obj *CONST objv[]
4741 ){
4742   sqlite3_stmt *pStmt;
4743   int col;
4744   i64 iVal;
4745 
4746   if( objc!=3 ){
4747     Tcl_AppendResult(interp, "wrong # args: should be \"",
4748        Tcl_GetString(objv[0]), " STMT column", 0);
4749     return TCL_ERROR;
4750   }
4751 
4752   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
4753   if( Tcl_GetIntFromObj(interp, objv[2], &col) ) return TCL_ERROR;
4754 
4755   iVal = sqlite3_column_int64(pStmt, col);
4756   Tcl_SetObjResult(interp, Tcl_NewWideIntObj(iVal));
4757   return TCL_OK;
4758 }
4759 
4760 /*
4761 ** Usage: sqlite3_column_blob STMT column
4762 */
4763 static int SQLITE_TCLAPI test_column_blob(
4764   void * clientData,
4765   Tcl_Interp *interp,
4766   int objc,
4767   Tcl_Obj *CONST objv[]
4768 ){
4769   sqlite3_stmt *pStmt;
4770   int col;
4771 
4772   int len;
4773   const void *pBlob;
4774 
4775   if( objc!=3 ){
4776     Tcl_AppendResult(interp, "wrong # args: should be \"",
4777        Tcl_GetString(objv[0]), " STMT column", 0);
4778     return TCL_ERROR;
4779   }
4780 
4781   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
4782   if( Tcl_GetIntFromObj(interp, objv[2], &col) ) return TCL_ERROR;
4783 
4784   len = sqlite3_column_bytes(pStmt, col);
4785   pBlob = sqlite3_column_blob(pStmt, col);
4786   Tcl_SetObjResult(interp, Tcl_NewByteArrayObj(pBlob, len));
4787   return TCL_OK;
4788 }
4789 
4790 /*
4791 ** Usage: sqlite3_column_double STMT column
4792 **
4793 ** Return the data in column 'column' of the current row cast as a double.
4794 */
4795 static int SQLITE_TCLAPI test_column_double(
4796   void * clientData,
4797   Tcl_Interp *interp,
4798   int objc,
4799   Tcl_Obj *CONST objv[]
4800 ){
4801   sqlite3_stmt *pStmt;
4802   int col;
4803   double rVal;
4804 
4805   if( objc!=3 ){
4806     Tcl_AppendResult(interp, "wrong # args: should be \"",
4807        Tcl_GetString(objv[0]), " STMT column", 0);
4808     return TCL_ERROR;
4809   }
4810 
4811   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
4812   if( Tcl_GetIntFromObj(interp, objv[2], &col) ) return TCL_ERROR;
4813 
4814   rVal = sqlite3_column_double(pStmt, col);
4815   Tcl_SetObjResult(interp, Tcl_NewDoubleObj(rVal));
4816   return TCL_OK;
4817 }
4818 
4819 /*
4820 ** Usage: sqlite3_data_count STMT
4821 **
4822 ** Return the number of columns returned by the sql statement STMT.
4823 */
4824 static int SQLITE_TCLAPI test_data_count(
4825   void * clientData,
4826   Tcl_Interp *interp,
4827   int objc,
4828   Tcl_Obj *CONST objv[]
4829 ){
4830   sqlite3_stmt *pStmt;
4831 
4832   if( objc!=2 ){
4833     Tcl_AppendResult(interp, "wrong # args: should be \"",
4834        Tcl_GetString(objv[0]), " STMT column", 0);
4835     return TCL_ERROR;
4836   }
4837 
4838   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
4839 
4840   Tcl_SetObjResult(interp, Tcl_NewIntObj(sqlite3_data_count(pStmt)));
4841   return TCL_OK;
4842 }
4843 
4844 /*
4845 ** Usage: sqlite3_column_text STMT column
4846 **
4847 ** Usage: sqlite3_column_decltype STMT column
4848 **
4849 ** Usage: sqlite3_column_name STMT column
4850 */
4851 static int SQLITE_TCLAPI test_stmt_utf8(
4852   void * clientData,        /* Pointer to SQLite API function to be invoke */
4853   Tcl_Interp *interp,
4854   int objc,
4855   Tcl_Obj *CONST objv[]
4856 ){
4857   sqlite3_stmt *pStmt;
4858   int col;
4859   const char *(*xFunc)(sqlite3_stmt*, int);
4860   const char *zRet;
4861 
4862   xFunc = (const char *(*)(sqlite3_stmt*, int))clientData;
4863   if( objc!=3 ){
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   if( Tcl_GetIntFromObj(interp, objv[2], &col) ) return TCL_ERROR;
4871   zRet = xFunc(pStmt, col);
4872   if( zRet ){
4873     Tcl_SetResult(interp, (char *)zRet, 0);
4874   }
4875   return TCL_OK;
4876 }
4877 
4878 static int SQLITE_TCLAPI test_global_recover(
4879   void * clientData,
4880   Tcl_Interp *interp,
4881   int objc,
4882   Tcl_Obj *CONST objv[]
4883 ){
4884 #ifndef SQLITE_OMIT_DEPRECATED
4885   int rc;
4886   if( objc!=1 ){
4887     Tcl_WrongNumArgs(interp, 1, objv, "");
4888     return TCL_ERROR;
4889   }
4890   rc = sqlite3_global_recover();
4891   Tcl_SetResult(interp, (char *)t1ErrorName(rc), TCL_STATIC);
4892 #endif
4893   return TCL_OK;
4894 }
4895 
4896 /*
4897 ** Usage: sqlite3_column_text STMT column
4898 **
4899 ** Usage: sqlite3_column_decltype STMT column
4900 **
4901 ** Usage: sqlite3_column_name STMT column
4902 */
4903 static int SQLITE_TCLAPI test_stmt_utf16(
4904   void * clientData,     /* Pointer to SQLite API function to be invoked */
4905   Tcl_Interp *interp,
4906   int objc,
4907   Tcl_Obj *CONST objv[]
4908 ){
4909 #ifndef SQLITE_OMIT_UTF16
4910   sqlite3_stmt *pStmt;
4911   int col;
4912   Tcl_Obj *pRet;
4913   const void *zName16;
4914   const void *(*xFunc)(sqlite3_stmt*, int);
4915 
4916   xFunc = (const void *(*)(sqlite3_stmt*, int))clientData;
4917   if( objc!=3 ){
4918     Tcl_AppendResult(interp, "wrong # args: should be \"",
4919        Tcl_GetString(objv[0]), " STMT column", 0);
4920     return TCL_ERROR;
4921   }
4922 
4923   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
4924   if( Tcl_GetIntFromObj(interp, objv[2], &col) ) return TCL_ERROR;
4925 
4926   zName16 = xFunc(pStmt, col);
4927   if( zName16 ){
4928     int n;
4929     const char *z = zName16;
4930     for(n=0; z[n] || z[n+1]; n+=2){}
4931     pRet = Tcl_NewByteArrayObj(zName16, n+2);
4932     Tcl_SetObjResult(interp, pRet);
4933   }
4934 #endif /* SQLITE_OMIT_UTF16 */
4935 
4936   return TCL_OK;
4937 }
4938 
4939 /*
4940 ** Usage: sqlite3_column_int STMT column
4941 **
4942 ** Usage: sqlite3_column_bytes STMT column
4943 **
4944 ** Usage: sqlite3_column_bytes16 STMT column
4945 **
4946 */
4947 static int SQLITE_TCLAPI test_stmt_int(
4948   void * clientData,    /* Pointer to SQLite API function to be invoked */
4949   Tcl_Interp *interp,
4950   int objc,
4951   Tcl_Obj *CONST objv[]
4952 ){
4953   sqlite3_stmt *pStmt;
4954   int col;
4955   int (*xFunc)(sqlite3_stmt*, int);
4956 
4957   xFunc = (int (*)(sqlite3_stmt*, int))clientData;
4958   if( objc!=3 ){
4959     Tcl_AppendResult(interp, "wrong # args: should be \"",
4960        Tcl_GetString(objv[0]), " STMT column", 0);
4961     return TCL_ERROR;
4962   }
4963 
4964   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
4965   if( Tcl_GetIntFromObj(interp, objv[2], &col) ) return TCL_ERROR;
4966 
4967   Tcl_SetObjResult(interp, Tcl_NewIntObj(xFunc(pStmt, col)));
4968   return TCL_OK;
4969 }
4970 
4971 /*
4972 ** Usage:  sqlite_set_magic  DB  MAGIC-NUMBER
4973 **
4974 ** Set the db->magic value.  This is used to test error recovery logic.
4975 */
4976 static int SQLITE_TCLAPI sqlite_set_magic(
4977   void * clientData,
4978   Tcl_Interp *interp,
4979   int argc,
4980   char **argv
4981 ){
4982   sqlite3 *db;
4983   if( argc!=3 ){
4984     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
4985          " DB MAGIC", 0);
4986     return TCL_ERROR;
4987   }
4988   if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
4989   if( strcmp(argv[2], "SQLITE_MAGIC_OPEN")==0 ){
4990     db->magic = SQLITE_MAGIC_OPEN;
4991   }else if( strcmp(argv[2], "SQLITE_MAGIC_CLOSED")==0 ){
4992     db->magic = SQLITE_MAGIC_CLOSED;
4993   }else if( strcmp(argv[2], "SQLITE_MAGIC_BUSY")==0 ){
4994     db->magic = SQLITE_MAGIC_BUSY;
4995   }else if( strcmp(argv[2], "SQLITE_MAGIC_ERROR")==0 ){
4996     db->magic = SQLITE_MAGIC_ERROR;
4997   }else if( Tcl_GetInt(interp, argv[2], (int*)&db->magic) ){
4998     return TCL_ERROR;
4999   }
5000   return TCL_OK;
5001 }
5002 
5003 /*
5004 ** Usage:  sqlite3_interrupt  DB
5005 **
5006 ** Trigger an interrupt on DB
5007 */
5008 static int SQLITE_TCLAPI test_interrupt(
5009   void * clientData,
5010   Tcl_Interp *interp,
5011   int argc,
5012   char **argv
5013 ){
5014   sqlite3 *db;
5015   if( argc!=2 ){
5016     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0], " DB", 0);
5017     return TCL_ERROR;
5018   }
5019   if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
5020   sqlite3_interrupt(db);
5021   return TCL_OK;
5022 }
5023 
5024 /*
5025 ** Usage: sqlite_delete_function DB function-name
5026 **
5027 ** Delete the user function 'function-name' from database handle DB. It
5028 ** is assumed that the user function was created as UTF8, any number of
5029 ** arguments (the way the TCL interface does it).
5030 */
5031 static int SQLITE_TCLAPI delete_function(
5032   void * clientData,
5033   Tcl_Interp *interp,
5034   int argc,
5035   char **argv
5036 ){
5037   int rc;
5038   sqlite3 *db;
5039   if( argc!=3 ){
5040     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
5041         " DB function-name", 0);
5042     return TCL_ERROR;
5043   }
5044   if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
5045   rc = sqlite3_create_function(db, argv[2], -1, SQLITE_UTF8, 0, 0, 0, 0);
5046   Tcl_SetResult(interp, (char *)t1ErrorName(rc), TCL_STATIC);
5047   return TCL_OK;
5048 }
5049 
5050 /*
5051 ** Usage: sqlite_delete_collation DB collation-name
5052 **
5053 ** Delete the collation sequence 'collation-name' from database handle
5054 ** DB. It is assumed that the collation sequence was created as UTF8 (the
5055 ** way the TCL interface does it).
5056 */
5057 static int SQLITE_TCLAPI delete_collation(
5058   void * clientData,
5059   Tcl_Interp *interp,
5060   int argc,
5061   char **argv
5062 ){
5063   int rc;
5064   sqlite3 *db;
5065   if( argc!=3 ){
5066     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
5067         " DB function-name", 0);
5068     return TCL_ERROR;
5069   }
5070   if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
5071   rc = sqlite3_create_collation(db, argv[2], SQLITE_UTF8, 0, 0);
5072   Tcl_SetResult(interp, (char *)t1ErrorName(rc), TCL_STATIC);
5073   return TCL_OK;
5074 }
5075 
5076 /*
5077 ** Usage: sqlite3_get_autocommit DB
5078 **
5079 ** Return true if the database DB is currently in auto-commit mode.
5080 ** Return false if not.
5081 */
5082 static int SQLITE_TCLAPI get_autocommit(
5083   void * clientData,
5084   Tcl_Interp *interp,
5085   int argc,
5086   char **argv
5087 ){
5088   char zBuf[30];
5089   sqlite3 *db;
5090   if( argc!=2 ){
5091     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
5092         " DB", 0);
5093     return TCL_ERROR;
5094   }
5095   if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
5096   sqlite3_snprintf(sizeof(zBuf), zBuf, "%d", sqlite3_get_autocommit(db));
5097   Tcl_AppendResult(interp, zBuf, 0);
5098   return TCL_OK;
5099 }
5100 
5101 /*
5102 ** Usage: sqlite3_busy_timeout DB MS
5103 **
5104 ** Set the busy timeout.  This is more easily done using the timeout
5105 ** method of the TCL interface.  But we need a way to test the case
5106 ** where it returns SQLITE_MISUSE.
5107 */
5108 static int SQLITE_TCLAPI test_busy_timeout(
5109   void * clientData,
5110   Tcl_Interp *interp,
5111   int argc,
5112   char **argv
5113 ){
5114   int rc, ms;
5115   sqlite3 *db;
5116   if( argc!=3 ){
5117     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
5118         " DB", 0);
5119     return TCL_ERROR;
5120   }
5121   if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
5122   if( Tcl_GetInt(interp, argv[2], &ms) ) return TCL_ERROR;
5123   rc = sqlite3_busy_timeout(db, ms);
5124   Tcl_AppendResult(interp, sqlite3ErrName(rc), 0);
5125   return TCL_OK;
5126 }
5127 
5128 /*
5129 ** Usage:  tcl_variable_type VARIABLENAME
5130 **
5131 ** Return the name of the internal representation for the
5132 ** value of the given variable.
5133 */
5134 static int SQLITE_TCLAPI tcl_variable_type(
5135   void * clientData,
5136   Tcl_Interp *interp,
5137   int objc,
5138   Tcl_Obj *CONST objv[]
5139 ){
5140   Tcl_Obj *pVar;
5141   if( objc!=2 ){
5142     Tcl_WrongNumArgs(interp, 1, objv, "VARIABLE");
5143     return TCL_ERROR;
5144   }
5145   pVar = Tcl_GetVar2Ex(interp, Tcl_GetString(objv[1]), 0, TCL_LEAVE_ERR_MSG);
5146   if( pVar==0 ) return TCL_ERROR;
5147   if( pVar->typePtr ){
5148     Tcl_SetObjResult(interp, Tcl_NewStringObj(pVar->typePtr->name, -1));
5149   }
5150   return TCL_OK;
5151 }
5152 
5153 /*
5154 ** Usage:  sqlite3_release_memory ?N?
5155 **
5156 ** Attempt to release memory currently held but not actually required.
5157 ** The integer N is the number of bytes we are trying to release.  The
5158 ** return value is the amount of memory actually released.
5159 */
5160 static int SQLITE_TCLAPI test_release_memory(
5161   void * clientData,
5162   Tcl_Interp *interp,
5163   int objc,
5164   Tcl_Obj *CONST objv[]
5165 ){
5166 #if defined(SQLITE_ENABLE_MEMORY_MANAGEMENT) && !defined(SQLITE_OMIT_DISKIO)
5167   int N;
5168   int amt;
5169   if( objc!=1 && objc!=2 ){
5170     Tcl_WrongNumArgs(interp, 1, objv, "?N?");
5171     return TCL_ERROR;
5172   }
5173   if( objc==2 ){
5174     if( Tcl_GetIntFromObj(interp, objv[1], &N) ) return TCL_ERROR;
5175   }else{
5176     N = -1;
5177   }
5178   amt = sqlite3_release_memory(N);
5179   Tcl_SetObjResult(interp, Tcl_NewIntObj(amt));
5180 #endif
5181   return TCL_OK;
5182 }
5183 
5184 
5185 /*
5186 ** Usage:  sqlite3_db_release_memory DB
5187 **
5188 ** Attempt to release memory currently held by database DB.  Return the
5189 ** result code (which in the current implementation is always zero).
5190 */
5191 static int SQLITE_TCLAPI test_db_release_memory(
5192   void * clientData,
5193   Tcl_Interp *interp,
5194   int objc,
5195   Tcl_Obj *CONST objv[]
5196 ){
5197   sqlite3 *db;
5198   int rc;
5199   if( objc!=2 ){
5200     Tcl_WrongNumArgs(interp, 1, objv, "DB");
5201     return TCL_ERROR;
5202   }
5203   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
5204   rc = sqlite3_db_release_memory(db);
5205   Tcl_SetObjResult(interp, Tcl_NewIntObj(rc));
5206   return TCL_OK;
5207 }
5208 
5209 /*
5210 ** Usage:  sqlite3_db_cacheflush DB
5211 **
5212 ** Attempt to flush any dirty pages to disk.
5213 */
5214 static int SQLITE_TCLAPI test_db_cacheflush(
5215   void * clientData,
5216   Tcl_Interp *interp,
5217   int objc,
5218   Tcl_Obj *CONST objv[]
5219 ){
5220   sqlite3 *db;
5221   int rc;
5222   if( objc!=2 ){
5223     Tcl_WrongNumArgs(interp, 1, objv, "DB");
5224     return TCL_ERROR;
5225   }
5226   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
5227   rc = sqlite3_db_cacheflush(db);
5228   if( rc ){
5229     Tcl_SetResult(interp, (char *)sqlite3ErrStr(rc), TCL_STATIC);
5230     return TCL_ERROR;
5231   }
5232 
5233   Tcl_ResetResult(interp);
5234   return TCL_OK;
5235 }
5236 
5237 /*
5238 ** Usage:  sqlite3_system_errno DB
5239 **
5240 ** Return the low-level system errno value.
5241 */
5242 static int SQLITE_TCLAPI test_system_errno(
5243   void * clientData,
5244   Tcl_Interp *interp,
5245   int objc,
5246   Tcl_Obj *CONST objv[]
5247 ){
5248   sqlite3 *db;
5249   int iErrno;
5250   if( objc!=2 ){
5251     Tcl_WrongNumArgs(interp, 1, objv, "DB");
5252     return TCL_ERROR;
5253   }
5254   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
5255   iErrno = sqlite3_system_errno(db);
5256   Tcl_SetObjResult(interp, Tcl_NewIntObj(iErrno));
5257   return TCL_OK;
5258 }
5259 
5260 /*
5261 ** Usage:  sqlite3_db_filename DB DBNAME
5262 **
5263 ** Return the name of a file associated with a database.
5264 */
5265 static int SQLITE_TCLAPI test_db_filename(
5266   void * clientData,
5267   Tcl_Interp *interp,
5268   int objc,
5269   Tcl_Obj *CONST objv[]
5270 ){
5271   sqlite3 *db;
5272   const char *zDbName;
5273   if( objc!=3 ){
5274     Tcl_WrongNumArgs(interp, 1, objv, "DB DBNAME");
5275     return TCL_ERROR;
5276   }
5277   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
5278   zDbName = Tcl_GetString(objv[2]);
5279   Tcl_AppendResult(interp, sqlite3_db_filename(db, zDbName), (void*)0);
5280   return TCL_OK;
5281 }
5282 
5283 /*
5284 ** Usage:  sqlite3_db_readonly DB DBNAME
5285 **
5286 ** Return 1 or 0 if DBNAME is readonly or not.  Return -1 if DBNAME does
5287 ** not exist.
5288 */
5289 static int SQLITE_TCLAPI test_db_readonly(
5290   void * clientData,
5291   Tcl_Interp *interp,
5292   int objc,
5293   Tcl_Obj *CONST objv[]
5294 ){
5295   sqlite3 *db;
5296   const char *zDbName;
5297   if( objc!=3 ){
5298     Tcl_WrongNumArgs(interp, 1, objv, "DB DBNAME");
5299     return TCL_ERROR;
5300   }
5301   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
5302   zDbName = Tcl_GetString(objv[2]);
5303   Tcl_SetObjResult(interp, Tcl_NewIntObj(sqlite3_db_readonly(db, zDbName)));
5304   return TCL_OK;
5305 }
5306 
5307 /*
5308 ** Usage:  sqlite3_soft_heap_limit ?N?
5309 **
5310 ** Query or set the soft heap limit for the current thread.  The
5311 ** limit is only changed if the N is present.  The previous limit
5312 ** is returned.
5313 */
5314 static int SQLITE_TCLAPI test_soft_heap_limit(
5315   void * clientData,
5316   Tcl_Interp *interp,
5317   int objc,
5318   Tcl_Obj *CONST objv[]
5319 ){
5320   sqlite3_int64 amt;
5321   Tcl_WideInt N = -1;
5322   if( objc!=1 && objc!=2 ){
5323     Tcl_WrongNumArgs(interp, 1, objv, "?N?");
5324     return TCL_ERROR;
5325   }
5326   if( objc==2 ){
5327     if( Tcl_GetWideIntFromObj(interp, objv[1], &N) ) return TCL_ERROR;
5328   }
5329   amt = sqlite3_soft_heap_limit64(N);
5330   Tcl_SetObjResult(interp, Tcl_NewWideIntObj(amt));
5331   return TCL_OK;
5332 }
5333 
5334 /*
5335 ** Usage:   sqlite3_thread_cleanup
5336 **
5337 ** Call the sqlite3_thread_cleanup API.
5338 */
5339 static int SQLITE_TCLAPI test_thread_cleanup(
5340   void * clientData,
5341   Tcl_Interp *interp,
5342   int objc,
5343   Tcl_Obj *CONST objv[]
5344 ){
5345 #ifndef SQLITE_OMIT_DEPRECATED
5346   sqlite3_thread_cleanup();
5347 #endif
5348   return TCL_OK;
5349 }
5350 
5351 /*
5352 ** Usage:   sqlite3_pager_refcounts  DB
5353 **
5354 ** Return a list of numbers which are the PagerRefcount for all
5355 ** pagers on each database connection.
5356 */
5357 static int SQLITE_TCLAPI test_pager_refcounts(
5358   void * clientData,
5359   Tcl_Interp *interp,
5360   int objc,
5361   Tcl_Obj *CONST objv[]
5362 ){
5363   sqlite3 *db;
5364   int i;
5365   int v, *a;
5366   Tcl_Obj *pResult;
5367 
5368   if( objc!=2 ){
5369     Tcl_AppendResult(interp, "wrong # args: should be \"",
5370         Tcl_GetStringFromObj(objv[0], 0), " DB", 0);
5371     return TCL_ERROR;
5372   }
5373   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
5374   pResult = Tcl_NewObj();
5375   for(i=0; i<db->nDb; i++){
5376     if( db->aDb[i].pBt==0 ){
5377       v = -1;
5378     }else{
5379       sqlite3_mutex_enter(db->mutex);
5380       a = sqlite3PagerStats(sqlite3BtreePager(db->aDb[i].pBt));
5381       v = a[0];
5382       sqlite3_mutex_leave(db->mutex);
5383     }
5384     Tcl_ListObjAppendElement(0, pResult, Tcl_NewIntObj(v));
5385   }
5386   Tcl_SetObjResult(interp, pResult);
5387   return TCL_OK;
5388 }
5389 
5390 
5391 /*
5392 ** tclcmd:   working_64bit_int
5393 **
5394 ** Some TCL builds (ex: cygwin) do not support 64-bit integers.  This
5395 ** leads to a number of test failures.  The present command checks the
5396 ** TCL build to see whether or not it supports 64-bit integers.  It
5397 ** returns TRUE if it does and FALSE if not.
5398 **
5399 ** This command is used to warn users that their TCL build is defective
5400 ** and that the errors they are seeing in the test scripts might be
5401 ** a result of their defective TCL rather than problems in SQLite.
5402 */
5403 static int SQLITE_TCLAPI working_64bit_int(
5404   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
5405   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
5406   int objc,              /* Number of arguments */
5407   Tcl_Obj *CONST objv[]  /* Command arguments */
5408 ){
5409   Tcl_Obj *pTestObj;
5410   int working = 0;
5411 
5412   pTestObj = Tcl_NewWideIntObj(1000000*(i64)1234567890);
5413   working = strcmp(Tcl_GetString(pTestObj), "1234567890000000")==0;
5414   Tcl_DecrRefCount(pTestObj);
5415   Tcl_SetObjResult(interp, Tcl_NewBooleanObj(working));
5416   return TCL_OK;
5417 }
5418 
5419 
5420 /*
5421 ** tclcmd:   vfs_unlink_test
5422 **
5423 ** This TCL command unregisters the primary VFS and then registers
5424 ** it back again.  This is used to test the ability to register a
5425 ** VFS when none are previously registered, and the ability to
5426 ** unregister the only available VFS.  Ticket #2738
5427 */
5428 static int SQLITE_TCLAPI vfs_unlink_test(
5429   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
5430   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
5431   int objc,              /* Number of arguments */
5432   Tcl_Obj *CONST objv[]  /* Command arguments */
5433 ){
5434   int i;
5435   sqlite3_vfs *pMain;
5436   sqlite3_vfs *apVfs[20];
5437   sqlite3_vfs one, two;
5438 
5439   sqlite3_vfs_unregister(0);   /* Unregister of NULL is harmless */
5440   one.zName = "__one";
5441   two.zName = "__two";
5442 
5443   /* Calling sqlite3_vfs_register with 2nd argument of 0 does not
5444   ** change the default VFS
5445   */
5446   pMain = sqlite3_vfs_find(0);
5447   sqlite3_vfs_register(&one, 0);
5448   assert( pMain==0 || pMain==sqlite3_vfs_find(0) );
5449   sqlite3_vfs_register(&two, 0);
5450   assert( pMain==0 || pMain==sqlite3_vfs_find(0) );
5451 
5452   /* We can find a VFS by its name */
5453   assert( sqlite3_vfs_find("__one")==&one );
5454   assert( sqlite3_vfs_find("__two")==&two );
5455 
5456   /* Calling sqlite_vfs_register with non-zero second parameter changes the
5457   ** default VFS, even if the 1st parameter is an existig VFS that is
5458   ** previously registered as the non-default.
5459   */
5460   sqlite3_vfs_register(&one, 1);
5461   assert( sqlite3_vfs_find("__one")==&one );
5462   assert( sqlite3_vfs_find("__two")==&two );
5463   assert( sqlite3_vfs_find(0)==&one );
5464   sqlite3_vfs_register(&two, 1);
5465   assert( sqlite3_vfs_find("__one")==&one );
5466   assert( sqlite3_vfs_find("__two")==&two );
5467   assert( sqlite3_vfs_find(0)==&two );
5468   if( pMain ){
5469     sqlite3_vfs_register(pMain, 1);
5470     assert( sqlite3_vfs_find("__one")==&one );
5471     assert( sqlite3_vfs_find("__two")==&two );
5472     assert( sqlite3_vfs_find(0)==pMain );
5473   }
5474 
5475   /* Unlink the default VFS.  Repeat until there are no more VFSes
5476   ** registered.
5477   */
5478   for(i=0; i<sizeof(apVfs)/sizeof(apVfs[0]); i++){
5479     apVfs[i] = sqlite3_vfs_find(0);
5480     if( apVfs[i] ){
5481       assert( apVfs[i]==sqlite3_vfs_find(apVfs[i]->zName) );
5482       sqlite3_vfs_unregister(apVfs[i]);
5483       assert( 0==sqlite3_vfs_find(apVfs[i]->zName) );
5484     }
5485   }
5486   assert( 0==sqlite3_vfs_find(0) );
5487 
5488   /* Register the main VFS as non-default (will be made default, since
5489   ** it'll be the only one in existence).
5490   */
5491   sqlite3_vfs_register(pMain, 0);
5492   assert( sqlite3_vfs_find(0)==pMain );
5493 
5494   /* Un-register the main VFS again to restore an empty VFS list */
5495   sqlite3_vfs_unregister(pMain);
5496   assert( 0==sqlite3_vfs_find(0) );
5497 
5498   /* Relink all VFSes in reverse order. */
5499   for(i=sizeof(apVfs)/sizeof(apVfs[0])-1; i>=0; i--){
5500     if( apVfs[i] ){
5501       sqlite3_vfs_register(apVfs[i], 1);
5502       assert( apVfs[i]==sqlite3_vfs_find(0) );
5503       assert( apVfs[i]==sqlite3_vfs_find(apVfs[i]->zName) );
5504     }
5505   }
5506 
5507   /* Unregister out sample VFSes. */
5508   sqlite3_vfs_unregister(&one);
5509   sqlite3_vfs_unregister(&two);
5510 
5511   /* Unregistering a VFS that is not currently registered is harmless */
5512   sqlite3_vfs_unregister(&one);
5513   sqlite3_vfs_unregister(&two);
5514   assert( sqlite3_vfs_find("__one")==0 );
5515   assert( sqlite3_vfs_find("__two")==0 );
5516 
5517   /* We should be left with the original default VFS back as the
5518   ** original */
5519   assert( sqlite3_vfs_find(0)==pMain );
5520 
5521   return TCL_OK;
5522 }
5523 
5524 /*
5525 ** tclcmd:   vfs_initfail_test
5526 **
5527 ** This TCL command attempts to vfs_find and vfs_register when the
5528 ** sqlite3_initialize() interface is failing.  All calls should fail.
5529 */
5530 static int SQLITE_TCLAPI vfs_initfail_test(
5531   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
5532   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
5533   int objc,              /* Number of arguments */
5534   Tcl_Obj *CONST objv[]  /* Command arguments */
5535 ){
5536   sqlite3_vfs one;
5537   one.zName = "__one";
5538 
5539   if( sqlite3_vfs_find(0) ) return TCL_ERROR;
5540   sqlite3_vfs_register(&one, 0);
5541   if( sqlite3_vfs_find(0) ) return TCL_ERROR;
5542   sqlite3_vfs_register(&one, 1);
5543   if( sqlite3_vfs_find(0) ) return TCL_ERROR;
5544   return TCL_OK;
5545 }
5546 
5547 /*
5548 ** Saved VFSes
5549 */
5550 static sqlite3_vfs *apVfs[20];
5551 static int nVfs = 0;
5552 
5553 /*
5554 ** tclcmd:   vfs_unregister_all
5555 **
5556 ** Unregister all VFSes.
5557 */
5558 static int SQLITE_TCLAPI vfs_unregister_all(
5559   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
5560   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
5561   int objc,              /* Number of arguments */
5562   Tcl_Obj *CONST objv[]  /* Command arguments */
5563 ){
5564   int i;
5565   for(i=0; i<ArraySize(apVfs); i++){
5566     apVfs[i] = sqlite3_vfs_find(0);
5567     if( apVfs[i]==0 ) break;
5568     sqlite3_vfs_unregister(apVfs[i]);
5569   }
5570   nVfs = i;
5571   return TCL_OK;
5572 }
5573 /*
5574 ** tclcmd:   vfs_reregister_all
5575 **
5576 ** Restore all VFSes that were removed using vfs_unregister_all. Taking
5577 ** care to put the linked list back together in the same order as it was
5578 ** in before vfs_unregister_all was invoked.
5579 */
5580 static int SQLITE_TCLAPI vfs_reregister_all(
5581   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
5582   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
5583   int objc,              /* Number of arguments */
5584   Tcl_Obj *CONST objv[]  /* Command arguments */
5585 ){
5586   int i;
5587   for(i=nVfs-1; i>=0; i--){
5588     sqlite3_vfs_register(apVfs[i], 1);
5589   }
5590   return TCL_OK;
5591 }
5592 
5593 
5594 /*
5595 ** tclcmd:   file_control_test DB
5596 **
5597 ** This TCL command runs the sqlite3_file_control interface and
5598 ** verifies correct operation of the same.
5599 */
5600 static int SQLITE_TCLAPI file_control_test(
5601   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
5602   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
5603   int objc,              /* Number of arguments */
5604   Tcl_Obj *CONST objv[]  /* Command arguments */
5605 ){
5606   int iArg = 0;
5607   sqlite3 *db;
5608   int rc;
5609 
5610   if( objc!=2 ){
5611     Tcl_AppendResult(interp, "wrong # args: should be \"",
5612         Tcl_GetStringFromObj(objv[0], 0), " DB", 0);
5613     return TCL_ERROR;
5614   }
5615   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
5616   rc = sqlite3_file_control(db, 0, 0, &iArg);
5617   assert( rc==SQLITE_NOTFOUND );
5618   rc = sqlite3_file_control(db, "notadatabase", SQLITE_FCNTL_LOCKSTATE, &iArg);
5619   assert( rc==SQLITE_ERROR );
5620   rc = sqlite3_file_control(db, "main", -1, &iArg);
5621   assert( rc==SQLITE_NOTFOUND );
5622   rc = sqlite3_file_control(db, "temp", -1, &iArg);
5623   assert( rc==SQLITE_NOTFOUND || rc==SQLITE_ERROR );
5624 
5625   return TCL_OK;
5626 }
5627 
5628 
5629 /*
5630 ** tclcmd:   file_control_lasterrno_test DB
5631 **
5632 ** This TCL command runs the sqlite3_file_control interface and
5633 ** verifies correct operation of the SQLITE_LAST_ERRNO verb.
5634 */
5635 static int SQLITE_TCLAPI file_control_lasterrno_test(
5636   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
5637   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
5638   int objc,              /* Number of arguments */
5639   Tcl_Obj *CONST objv[]  /* Command arguments */
5640 ){
5641   int iArg = 0;
5642   sqlite3 *db;
5643   int rc;
5644 
5645   if( objc!=2 ){
5646     Tcl_AppendResult(interp, "wrong # args: should be \"",
5647         Tcl_GetStringFromObj(objv[0], 0), " DB", 0);
5648     return TCL_ERROR;
5649   }
5650   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ){
5651     return TCL_ERROR;
5652   }
5653   rc = sqlite3_file_control(db, NULL, SQLITE_LAST_ERRNO, &iArg);
5654   if( rc ){
5655     Tcl_SetObjResult(interp, Tcl_NewIntObj(rc));
5656     return TCL_ERROR;
5657   }
5658   if( iArg!=0 ) {
5659     Tcl_AppendResult(interp, "Unexpected non-zero errno: ",
5660                      Tcl_GetStringFromObj(Tcl_NewIntObj(iArg), 0), " ", 0);
5661     return TCL_ERROR;
5662   }
5663   return TCL_OK;
5664 }
5665 
5666 /*
5667 ** tclcmd:   file_control_chunksize_test DB DBNAME SIZE
5668 **
5669 ** This TCL command runs the sqlite3_file_control interface and
5670 ** verifies correct operation of the SQLITE_GET_LOCKPROXYFILE and
5671 ** SQLITE_SET_LOCKPROXYFILE verbs.
5672 */
5673 static int SQLITE_TCLAPI file_control_chunksize_test(
5674   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
5675   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
5676   int objc,              /* Number of arguments */
5677   Tcl_Obj *CONST objv[]  /* Command arguments */
5678 ){
5679   int nSize;                      /* New chunk size */
5680   char *zDb;                      /* Db name ("main", "temp" etc.) */
5681   sqlite3 *db;                    /* Database handle */
5682   int rc;                         /* file_control() return code */
5683 
5684   if( objc!=4 ){
5685     Tcl_WrongNumArgs(interp, 1, objv, "DB DBNAME SIZE");
5686     return TCL_ERROR;
5687   }
5688   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db)
5689    || Tcl_GetIntFromObj(interp, objv[3], &nSize)
5690   ){
5691    return TCL_ERROR;
5692   }
5693   zDb = Tcl_GetString(objv[2]);
5694   if( zDb[0]=='\0' ) zDb = NULL;
5695 
5696   rc = sqlite3_file_control(db, zDb, SQLITE_FCNTL_CHUNK_SIZE, (void *)&nSize);
5697   if( rc ){
5698     Tcl_SetResult(interp, (char *)sqlite3ErrName(rc), TCL_STATIC);
5699     return TCL_ERROR;
5700   }
5701   return TCL_OK;
5702 }
5703 
5704 /*
5705 ** tclcmd:   file_control_sizehint_test DB DBNAME SIZE
5706 **
5707 ** This TCL command runs the sqlite3_file_control interface
5708 ** with SQLITE_FCNTL_SIZE_HINT
5709 */
5710 static int SQLITE_TCLAPI file_control_sizehint_test(
5711   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
5712   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
5713   int objc,              /* Number of arguments */
5714   Tcl_Obj *CONST objv[]  /* Command arguments */
5715 ){
5716   Tcl_WideInt nSize;              /* Hinted size */
5717   char *zDb;                      /* Db name ("main", "temp" etc.) */
5718   sqlite3 *db;                    /* Database handle */
5719   int rc;                         /* file_control() return code */
5720 
5721   if( objc!=4 ){
5722     Tcl_WrongNumArgs(interp, 1, objv, "DB DBNAME SIZE");
5723     return TCL_ERROR;
5724   }
5725   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db)
5726    || Tcl_GetWideIntFromObj(interp, objv[3], &nSize)
5727   ){
5728    return TCL_ERROR;
5729   }
5730   zDb = Tcl_GetString(objv[2]);
5731   if( zDb[0]=='\0' ) zDb = NULL;
5732 
5733   rc = sqlite3_file_control(db, zDb, SQLITE_FCNTL_SIZE_HINT, (void *)&nSize);
5734   if( rc ){
5735     Tcl_SetResult(interp, (char *)sqlite3ErrName(rc), TCL_STATIC);
5736     return TCL_ERROR;
5737   }
5738   return TCL_OK;
5739 }
5740 
5741 /*
5742 ** tclcmd:   file_control_lockproxy_test DB PWD
5743 **
5744 ** This TCL command runs the sqlite3_file_control interface and
5745 ** verifies correct operation of the SQLITE_GET_LOCKPROXYFILE and
5746 ** SQLITE_SET_LOCKPROXYFILE verbs.
5747 */
5748 static int SQLITE_TCLAPI file_control_lockproxy_test(
5749   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
5750   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
5751   int objc,              /* Number of arguments */
5752   Tcl_Obj *CONST objv[]  /* Command arguments */
5753 ){
5754   sqlite3 *db;
5755 
5756   if( objc!=3 ){
5757     Tcl_AppendResult(interp, "wrong # args: should be \"",
5758                      Tcl_GetStringFromObj(objv[0], 0), " DB PWD", 0);
5759     return TCL_ERROR;
5760   }
5761   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ){
5762    return TCL_ERROR;
5763   }
5764 
5765 #if !defined(SQLITE_ENABLE_LOCKING_STYLE)
5766 #  if defined(__APPLE__)
5767 #    define SQLITE_ENABLE_LOCKING_STYLE 1
5768 #  else
5769 #    define SQLITE_ENABLE_LOCKING_STYLE 0
5770 #  endif
5771 #endif
5772 #if SQLITE_ENABLE_LOCKING_STYLE && defined(__APPLE__)
5773   {
5774     char *testPath;
5775     int rc;
5776     int nPwd;
5777     const char *zPwd;
5778     char proxyPath[400];
5779 
5780     zPwd = Tcl_GetStringFromObj(objv[2], &nPwd);
5781     if( sizeof(proxyPath)<nPwd+20 ){
5782       Tcl_AppendResult(interp, "PWD too big", (void*)0);
5783       return TCL_ERROR;
5784     }
5785     sqlite3_snprintf(sizeof(proxyPath), proxyPath, "%s/test.proxy", zPwd);
5786     rc = sqlite3_file_control(db, NULL, SQLITE_SET_LOCKPROXYFILE, proxyPath);
5787     if( rc ){
5788       Tcl_SetObjResult(interp, Tcl_NewIntObj(rc));
5789       return TCL_ERROR;
5790     }
5791     rc = sqlite3_file_control(db, NULL, SQLITE_GET_LOCKPROXYFILE, &testPath);
5792     if( strncmp(proxyPath,testPath,11) ){
5793       Tcl_AppendResult(interp, "Lock proxy file did not match the "
5794                                "previously assigned value", 0);
5795       return TCL_ERROR;
5796     }
5797     if( rc ){
5798       Tcl_SetObjResult(interp, Tcl_NewIntObj(rc));
5799       return TCL_ERROR;
5800     }
5801     rc = sqlite3_file_control(db, NULL, SQLITE_SET_LOCKPROXYFILE, proxyPath);
5802     if( rc ){
5803       Tcl_SetObjResult(interp, Tcl_NewIntObj(rc));
5804       return TCL_ERROR;
5805     }
5806   }
5807 #endif
5808   return TCL_OK;
5809 }
5810 
5811 #if SQLITE_OS_WIN
5812 /*
5813 ** tclcmd:   file_control_win32_av_retry DB  NRETRY  DELAY
5814 **
5815 ** This TCL command runs the sqlite3_file_control interface with
5816 ** the SQLITE_FCNTL_WIN32_AV_RETRY opcode.
5817 */
5818 static int SQLITE_TCLAPI file_control_win32_av_retry(
5819   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
5820   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
5821   int objc,              /* Number of arguments */
5822   Tcl_Obj *CONST objv[]  /* Command arguments */
5823 ){
5824   sqlite3 *db;
5825   int rc;
5826   int a[2];
5827   char z[100];
5828 
5829   if( objc!=4 ){
5830     Tcl_AppendResult(interp, "wrong # args: should be \"",
5831         Tcl_GetStringFromObj(objv[0], 0), " DB NRETRY DELAY", 0);
5832     return TCL_ERROR;
5833   }
5834   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ){
5835     return TCL_ERROR;
5836   }
5837   if( Tcl_GetIntFromObj(interp, objv[2], &a[0]) ) return TCL_ERROR;
5838   if( Tcl_GetIntFromObj(interp, objv[3], &a[1]) ) return TCL_ERROR;
5839   rc = sqlite3_file_control(db, NULL, SQLITE_FCNTL_WIN32_AV_RETRY, (void*)a);
5840   sqlite3_snprintf(sizeof(z), z, "%d %d %d", rc, a[0], a[1]);
5841   Tcl_AppendResult(interp, z, (char*)0);
5842   return TCL_OK;
5843 }
5844 
5845 /*
5846 ** tclcmd:   file_control_win32_get_handle DB
5847 **
5848 ** This TCL command runs the sqlite3_file_control interface with
5849 ** the SQLITE_FCNTL_WIN32_GET_HANDLE opcode.
5850 */
5851 static int file_control_win32_get_handle(
5852   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
5853   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
5854   int objc,              /* Number of arguments */
5855   Tcl_Obj *CONST objv[]  /* Command arguments */
5856 ){
5857   sqlite3 *db;
5858   int rc;
5859   HANDLE hFile = NULL;
5860   char z[100];
5861 
5862   if( objc!=2 ){
5863     Tcl_AppendResult(interp, "wrong # args: should be \"",
5864         Tcl_GetStringFromObj(objv[0], 0), " DB", 0);
5865     return TCL_ERROR;
5866   }
5867   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ){
5868     return TCL_ERROR;
5869   }
5870   rc = sqlite3_file_control(db, NULL, SQLITE_FCNTL_WIN32_GET_HANDLE,
5871                             (void*)&hFile);
5872   sqlite3_snprintf(sizeof(z), z, "%d %p", rc, (void*)hFile);
5873   Tcl_AppendResult(interp, z, (char*)0);
5874   return TCL_OK;
5875 }
5876 
5877 /*
5878 ** tclcmd:   file_control_win32_set_handle DB HANDLE
5879 **
5880 ** This TCL command runs the sqlite3_file_control interface with
5881 ** the SQLITE_FCNTL_WIN32_SET_HANDLE opcode.
5882 */
5883 static int SQLITE_TCLAPI file_control_win32_set_handle(
5884   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
5885   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
5886   int objc,              /* Number of arguments */
5887   Tcl_Obj *CONST objv[]  /* Command arguments */
5888 ){
5889   sqlite3 *db;
5890   int rc;
5891   HANDLE hFile = NULL;
5892   char z[100];
5893 
5894   if( objc!=3 ){
5895     Tcl_AppendResult(interp, "wrong # args: should be \"",
5896         Tcl_GetStringFromObj(objv[0], 0), " DB HANDLE", 0);
5897     return TCL_ERROR;
5898   }
5899   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ){
5900     return TCL_ERROR;
5901   }
5902   if( getWin32Handle(interp, Tcl_GetString(objv[2]), &hFile) ){
5903     return TCL_ERROR;
5904   }
5905   rc = sqlite3_file_control(db, NULL, SQLITE_FCNTL_WIN32_SET_HANDLE,
5906                             (void*)&hFile);
5907   sqlite3_snprintf(sizeof(z), z, "%d %p", rc, (void*)hFile);
5908   Tcl_AppendResult(interp, z, (char*)0);
5909   return TCL_OK;
5910 }
5911 #endif
5912 
5913 /*
5914 ** tclcmd:   file_control_persist_wal DB PERSIST-FLAG
5915 **
5916 ** This TCL command runs the sqlite3_file_control interface with
5917 ** the SQLITE_FCNTL_PERSIST_WAL opcode.
5918 */
5919 static int SQLITE_TCLAPI file_control_persist_wal(
5920   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
5921   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
5922   int objc,              /* Number of arguments */
5923   Tcl_Obj *CONST objv[]  /* Command arguments */
5924 ){
5925   sqlite3 *db;
5926   int rc;
5927   int bPersist;
5928   char z[100];
5929 
5930   if( objc!=3 ){
5931     Tcl_AppendResult(interp, "wrong # args: should be \"",
5932         Tcl_GetStringFromObj(objv[0], 0), " DB FLAG", 0);
5933     return TCL_ERROR;
5934   }
5935   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ){
5936     return TCL_ERROR;
5937   }
5938   if( Tcl_GetIntFromObj(interp, objv[2], &bPersist) ) return TCL_ERROR;
5939   rc = sqlite3_file_control(db, NULL, SQLITE_FCNTL_PERSIST_WAL, (void*)&bPersist);
5940   sqlite3_snprintf(sizeof(z), z, "%d %d", rc, bPersist);
5941   Tcl_AppendResult(interp, z, (char*)0);
5942   return TCL_OK;
5943 }
5944 
5945 /*
5946 ** tclcmd:   file_control_powersafe_overwrite DB PSOW-FLAG
5947 **
5948 ** This TCL command runs the sqlite3_file_control interface with
5949 ** the SQLITE_FCNTL_POWERSAFE_OVERWRITE opcode.
5950 */
5951 static int SQLITE_TCLAPI file_control_powersafe_overwrite(
5952   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
5953   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
5954   int objc,              /* Number of arguments */
5955   Tcl_Obj *CONST objv[]  /* Command arguments */
5956 ){
5957   sqlite3 *db;
5958   int rc;
5959   int b;
5960   char z[100];
5961 
5962   if( objc!=3 ){
5963     Tcl_AppendResult(interp, "wrong # args: should be \"",
5964         Tcl_GetStringFromObj(objv[0], 0), " DB FLAG", 0);
5965     return TCL_ERROR;
5966   }
5967   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ){
5968     return TCL_ERROR;
5969   }
5970   if( Tcl_GetIntFromObj(interp, objv[2], &b) ) return TCL_ERROR;
5971   rc = sqlite3_file_control(db,NULL,SQLITE_FCNTL_POWERSAFE_OVERWRITE,(void*)&b);
5972   sqlite3_snprintf(sizeof(z), z, "%d %d", rc, b);
5973   Tcl_AppendResult(interp, z, (char*)0);
5974   return TCL_OK;
5975 }
5976 
5977 
5978 /*
5979 ** tclcmd:   file_control_vfsname DB ?AUXDB?
5980 **
5981 ** Return a string that describes the stack of VFSes.
5982 */
5983 static int SQLITE_TCLAPI file_control_vfsname(
5984   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
5985   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
5986   int objc,              /* Number of arguments */
5987   Tcl_Obj *CONST objv[]  /* Command arguments */
5988 ){
5989   sqlite3 *db;
5990   const char *zDbName = "main";
5991   char *zVfsName = 0;
5992 
5993   if( objc!=2 && objc!=3 ){
5994     Tcl_AppendResult(interp, "wrong # args: should be \"",
5995         Tcl_GetStringFromObj(objv[0], 0), " DB ?AUXDB?", 0);
5996     return TCL_ERROR;
5997   }
5998   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ){
5999     return TCL_ERROR;
6000   }
6001   if( objc==3 ){
6002     zDbName = Tcl_GetString(objv[2]);
6003   }
6004   sqlite3_file_control(db, zDbName, SQLITE_FCNTL_VFSNAME,(void*)&zVfsName);
6005   Tcl_AppendResult(interp, zVfsName, (char*)0);
6006   sqlite3_free(zVfsName);
6007   return TCL_OK;
6008 }
6009 
6010 /*
6011 ** tclcmd:   file_control_tempfilename DB ?AUXDB?
6012 **
6013 ** Return a string that is a temporary filename
6014 */
6015 static int SQLITE_TCLAPI file_control_tempfilename(
6016   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
6017   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
6018   int objc,              /* Number of arguments */
6019   Tcl_Obj *CONST objv[]  /* Command arguments */
6020 ){
6021   sqlite3 *db;
6022   const char *zDbName = "main";
6023   char *zTName = 0;
6024 
6025   if( objc!=2 && objc!=3 ){
6026     Tcl_AppendResult(interp, "wrong # args: should be \"",
6027         Tcl_GetStringFromObj(objv[0], 0), " DB ?AUXDB?", 0);
6028     return TCL_ERROR;
6029   }
6030   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ){
6031     return TCL_ERROR;
6032   }
6033   if( objc==3 ){
6034     zDbName = Tcl_GetString(objv[2]);
6035   }
6036   sqlite3_file_control(db, zDbName, SQLITE_FCNTL_TEMPFILENAME, (void*)&zTName);
6037   Tcl_AppendResult(interp, zTName, (char*)0);
6038   sqlite3_free(zTName);
6039   return TCL_OK;
6040 }
6041 
6042 
6043 /*
6044 ** tclcmd:   sqlite3_vfs_list
6045 **
6046 **   Return a tcl list containing the names of all registered vfs's.
6047 */
6048 static int SQLITE_TCLAPI vfs_list(
6049   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
6050   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
6051   int objc,              /* Number of arguments */
6052   Tcl_Obj *CONST objv[]  /* Command arguments */
6053 ){
6054   sqlite3_vfs *pVfs;
6055   Tcl_Obj *pRet = Tcl_NewObj();
6056   if( objc!=1 ){
6057     Tcl_WrongNumArgs(interp, 1, objv, "");
6058     return TCL_ERROR;
6059   }
6060   for(pVfs=sqlite3_vfs_find(0); pVfs; pVfs=pVfs->pNext){
6061     Tcl_ListObjAppendElement(interp, pRet, Tcl_NewStringObj(pVfs->zName, -1));
6062   }
6063   Tcl_SetObjResult(interp, pRet);
6064   return TCL_OK;
6065 }
6066 
6067 /*
6068 ** tclcmd:   sqlite3_limit DB ID VALUE
6069 **
6070 ** This TCL command runs the sqlite3_limit interface and
6071 ** verifies correct operation of the same.
6072 */
6073 static int SQLITE_TCLAPI test_limit(
6074   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
6075   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
6076   int objc,              /* Number of arguments */
6077   Tcl_Obj *CONST objv[]  /* Command arguments */
6078 ){
6079   sqlite3 *db;
6080   int rc;
6081   static const struct {
6082      char *zName;
6083      int id;
6084   } aId[] = {
6085     { "SQLITE_LIMIT_LENGTH",              SQLITE_LIMIT_LENGTH               },
6086     { "SQLITE_LIMIT_SQL_LENGTH",          SQLITE_LIMIT_SQL_LENGTH           },
6087     { "SQLITE_LIMIT_COLUMN",              SQLITE_LIMIT_COLUMN               },
6088     { "SQLITE_LIMIT_EXPR_DEPTH",          SQLITE_LIMIT_EXPR_DEPTH           },
6089     { "SQLITE_LIMIT_COMPOUND_SELECT",     SQLITE_LIMIT_COMPOUND_SELECT      },
6090     { "SQLITE_LIMIT_VDBE_OP",             SQLITE_LIMIT_VDBE_OP              },
6091     { "SQLITE_LIMIT_FUNCTION_ARG",        SQLITE_LIMIT_FUNCTION_ARG         },
6092     { "SQLITE_LIMIT_ATTACHED",            SQLITE_LIMIT_ATTACHED             },
6093     { "SQLITE_LIMIT_LIKE_PATTERN_LENGTH", SQLITE_LIMIT_LIKE_PATTERN_LENGTH  },
6094     { "SQLITE_LIMIT_VARIABLE_NUMBER",     SQLITE_LIMIT_VARIABLE_NUMBER      },
6095     { "SQLITE_LIMIT_TRIGGER_DEPTH",       SQLITE_LIMIT_TRIGGER_DEPTH        },
6096     { "SQLITE_LIMIT_WORKER_THREADS",      SQLITE_LIMIT_WORKER_THREADS       },
6097 
6098     /* Out of range test cases */
6099     { "SQLITE_LIMIT_TOOSMALL",            -1,                               },
6100     { "SQLITE_LIMIT_TOOBIG",              SQLITE_LIMIT_WORKER_THREADS+1     },
6101   };
6102   int i, id = 0;
6103   int val;
6104   const char *zId;
6105 
6106   if( objc!=4 ){
6107     Tcl_AppendResult(interp, "wrong # args: should be \"",
6108         Tcl_GetStringFromObj(objv[0], 0), " DB ID VALUE", 0);
6109     return TCL_ERROR;
6110   }
6111   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
6112   zId = Tcl_GetString(objv[2]);
6113   for(i=0; i<sizeof(aId)/sizeof(aId[0]); i++){
6114     if( strcmp(zId, aId[i].zName)==0 ){
6115       id = aId[i].id;
6116       break;
6117     }
6118   }
6119   if( i>=sizeof(aId)/sizeof(aId[0]) ){
6120     Tcl_AppendResult(interp, "unknown limit type: ", zId, (char*)0);
6121     return TCL_ERROR;
6122   }
6123   if( Tcl_GetIntFromObj(interp, objv[3], &val) ) return TCL_ERROR;
6124   rc = sqlite3_limit(db, id, val);
6125   Tcl_SetObjResult(interp, Tcl_NewIntObj(rc));
6126   return TCL_OK;
6127 }
6128 
6129 /*
6130 ** tclcmd:  save_prng_state
6131 **
6132 ** Save the state of the pseudo-random number generator.
6133 ** At the same time, verify that sqlite3_test_control works even when
6134 ** called with an out-of-range opcode.
6135 */
6136 static int SQLITE_TCLAPI save_prng_state(
6137   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
6138   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
6139   int objc,              /* Number of arguments */
6140   Tcl_Obj *CONST objv[]  /* Command arguments */
6141 ){
6142   int rc = sqlite3_test_control(9999);
6143   assert( rc==0 );
6144   rc = sqlite3_test_control(-1);
6145   assert( rc==0 );
6146   sqlite3_test_control(SQLITE_TESTCTRL_PRNG_SAVE);
6147   return TCL_OK;
6148 }
6149 /*
6150 ** tclcmd:  restore_prng_state
6151 */
6152 static int SQLITE_TCLAPI restore_prng_state(
6153   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
6154   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
6155   int objc,              /* Number of arguments */
6156   Tcl_Obj *CONST objv[]  /* Command arguments */
6157 ){
6158   sqlite3_test_control(SQLITE_TESTCTRL_PRNG_RESTORE);
6159   return TCL_OK;
6160 }
6161 /*
6162 ** tclcmd:  reset_prng_state
6163 */
6164 static int SQLITE_TCLAPI reset_prng_state(
6165   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
6166   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
6167   int objc,              /* Number of arguments */
6168   Tcl_Obj *CONST objv[]  /* Command arguments */
6169 ){
6170   sqlite3_test_control(SQLITE_TESTCTRL_PRNG_RESET);
6171   return TCL_OK;
6172 }
6173 
6174 /*
6175 ** tclcmd:  database_may_be_corrupt
6176 **
6177 ** Indicate that database files might be corrupt.  In other words, set the normal
6178 ** state of operation.
6179 */
6180 static int SQLITE_TCLAPI database_may_be_corrupt(
6181   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
6182   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
6183   int objc,              /* Number of arguments */
6184   Tcl_Obj *CONST objv[]  /* Command arguments */
6185 ){
6186   sqlite3_test_control(SQLITE_TESTCTRL_NEVER_CORRUPT, 0);
6187   return TCL_OK;
6188 }
6189 /*
6190 ** tclcmd:  database_never_corrupt
6191 **
6192 ** Indicate that database files are always well-formed.  This enables extra assert()
6193 ** statements that test conditions that are always true for well-formed databases.
6194 */
6195 static int SQLITE_TCLAPI database_never_corrupt(
6196   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
6197   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
6198   int objc,              /* Number of arguments */
6199   Tcl_Obj *CONST objv[]  /* Command arguments */
6200 ){
6201   sqlite3_test_control(SQLITE_TESTCTRL_NEVER_CORRUPT, 1);
6202   return TCL_OK;
6203 }
6204 
6205 /*
6206 ** tclcmd:  pcache_stats
6207 */
6208 static int SQLITE_TCLAPI test_pcache_stats(
6209   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
6210   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
6211   int objc,              /* Number of arguments */
6212   Tcl_Obj *CONST objv[]  /* Command arguments */
6213 ){
6214   int nMin;
6215   int nMax;
6216   int nCurrent;
6217   int nRecyclable;
6218   Tcl_Obj *pRet;
6219 
6220   sqlite3PcacheStats(&nCurrent, &nMax, &nMin, &nRecyclable);
6221 
6222   pRet = Tcl_NewObj();
6223   Tcl_ListObjAppendElement(interp, pRet, Tcl_NewStringObj("current", -1));
6224   Tcl_ListObjAppendElement(interp, pRet, Tcl_NewIntObj(nCurrent));
6225   Tcl_ListObjAppendElement(interp, pRet, Tcl_NewStringObj("max", -1));
6226   Tcl_ListObjAppendElement(interp, pRet, Tcl_NewIntObj(nMax));
6227   Tcl_ListObjAppendElement(interp, pRet, Tcl_NewStringObj("min", -1));
6228   Tcl_ListObjAppendElement(interp, pRet, Tcl_NewIntObj(nMin));
6229   Tcl_ListObjAppendElement(interp, pRet, Tcl_NewStringObj("recyclable", -1));
6230   Tcl_ListObjAppendElement(interp, pRet, Tcl_NewIntObj(nRecyclable));
6231 
6232   Tcl_SetObjResult(interp, pRet);
6233 
6234   return TCL_OK;
6235 }
6236 
6237 #ifdef SQLITE_ENABLE_UNLOCK_NOTIFY
6238 static void test_unlock_notify_cb(void **aArg, int nArg){
6239   int ii;
6240   for(ii=0; ii<nArg; ii++){
6241     Tcl_EvalEx((Tcl_Interp *)aArg[ii], "unlock_notify", -1, TCL_EVAL_GLOBAL);
6242   }
6243 }
6244 #endif /* SQLITE_ENABLE_UNLOCK_NOTIFY */
6245 
6246 /*
6247 ** tclcmd:  sqlite3_unlock_notify db
6248 */
6249 #ifdef SQLITE_ENABLE_UNLOCK_NOTIFY
6250 static int SQLITE_TCLAPI test_unlock_notify(
6251   ClientData clientData, /* Unused */
6252   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
6253   int objc,              /* Number of arguments */
6254   Tcl_Obj *CONST objv[]  /* Command arguments */
6255 ){
6256   sqlite3 *db;
6257   int rc;
6258 
6259   if( objc!=2 ){
6260     Tcl_WrongNumArgs(interp, 1, objv, "DB");
6261     return TCL_ERROR;
6262   }
6263 
6264   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ){
6265     return TCL_ERROR;
6266   }
6267   rc = sqlite3_unlock_notify(db, test_unlock_notify_cb, (void *)interp);
6268   Tcl_SetResult(interp, (char *)t1ErrorName(rc), TCL_STATIC);
6269   return TCL_OK;
6270 }
6271 #endif
6272 
6273 /*
6274 ** tclcmd:  sqlite3_wal_checkpoint db ?NAME?
6275 */
6276 static int SQLITE_TCLAPI test_wal_checkpoint(
6277   ClientData clientData, /* Unused */
6278   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
6279   int objc,              /* Number of arguments */
6280   Tcl_Obj *CONST objv[]  /* Command arguments */
6281 ){
6282   char *zDb = 0;
6283   sqlite3 *db;
6284   int rc;
6285 
6286   if( objc!=3 && objc!=2 ){
6287     Tcl_WrongNumArgs(interp, 1, objv, "DB ?NAME?");
6288     return TCL_ERROR;
6289   }
6290 
6291   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ){
6292     return TCL_ERROR;
6293   }
6294   if( objc==3 ){
6295     zDb = Tcl_GetString(objv[2]);
6296   }
6297   rc = sqlite3_wal_checkpoint(db, zDb);
6298   Tcl_SetResult(interp, (char *)t1ErrorName(rc), TCL_STATIC);
6299   return TCL_OK;
6300 }
6301 
6302 /*
6303 ** tclcmd:  sqlite3_wal_checkpoint_v2 db MODE ?NAME?
6304 **
6305 ** This command calls the wal_checkpoint_v2() function with the specified
6306 ** mode argument (passive, full or restart). If present, the database name
6307 ** NAME is passed as the second argument to wal_checkpoint_v2(). If it the
6308 ** NAME argument is not present, a NULL pointer is passed instead.
6309 **
6310 ** If wal_checkpoint_v2() returns any value other than SQLITE_BUSY or
6311 ** SQLITE_OK, then this command returns TCL_ERROR. The Tcl result is set
6312 ** to the error message obtained from sqlite3_errmsg().
6313 **
6314 ** Otherwise, this command returns a list of three integers. The first integer
6315 ** is 1 if SQLITE_BUSY was returned, or 0 otherwise. The following two integers
6316 ** are the values returned via the output parameters by wal_checkpoint_v2() -
6317 ** the number of frames in the log and the number of frames in the log
6318 ** that have been checkpointed.
6319 */
6320 static int SQLITE_TCLAPI test_wal_checkpoint_v2(
6321   ClientData clientData, /* Unused */
6322   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
6323   int objc,              /* Number of arguments */
6324   Tcl_Obj *CONST objv[]  /* Command arguments */
6325 ){
6326   char *zDb = 0;
6327   sqlite3 *db;
6328   int rc;
6329 
6330   int eMode;
6331   int nLog = -555;
6332   int nCkpt = -555;
6333   Tcl_Obj *pRet;
6334 
6335   const char * aMode[] = { "passive", "full", "restart", "truncate", 0 };
6336   assert( SQLITE_CHECKPOINT_PASSIVE==0 );
6337   assert( SQLITE_CHECKPOINT_FULL==1 );
6338   assert( SQLITE_CHECKPOINT_RESTART==2 );
6339   assert( SQLITE_CHECKPOINT_TRUNCATE==3 );
6340 
6341   if( objc!=3 && objc!=4 ){
6342     Tcl_WrongNumArgs(interp, 1, objv, "DB MODE ?NAME?");
6343     return TCL_ERROR;
6344   }
6345 
6346   if( objc==4 ){
6347     zDb = Tcl_GetString(objv[3]);
6348   }
6349   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) || (
6350       TCL_OK!=Tcl_GetIntFromObj(0, objv[2], &eMode)
6351    && TCL_OK!=Tcl_GetIndexFromObj(interp, objv[2], aMode, "mode", 0, &eMode)
6352   )){
6353     return TCL_ERROR;
6354   }
6355 
6356   rc = sqlite3_wal_checkpoint_v2(db, zDb, eMode, &nLog, &nCkpt);
6357   if( rc!=SQLITE_OK && rc!=SQLITE_BUSY ){
6358     const char *zErrCode = sqlite3ErrName(rc);
6359     Tcl_ResetResult(interp);
6360     Tcl_AppendResult(interp, zErrCode, " - ", (char *)sqlite3_errmsg(db), 0);
6361     return TCL_ERROR;
6362   }
6363 
6364   pRet = Tcl_NewObj();
6365   Tcl_ListObjAppendElement(interp, pRet, Tcl_NewIntObj(rc==SQLITE_BUSY?1:0));
6366   Tcl_ListObjAppendElement(interp, pRet, Tcl_NewIntObj(nLog));
6367   Tcl_ListObjAppendElement(interp, pRet, Tcl_NewIntObj(nCkpt));
6368   Tcl_SetObjResult(interp, pRet);
6369 
6370   return TCL_OK;
6371 }
6372 
6373 /*
6374 ** tclcmd:  sqlite3_wal_autocheckpoint db VALUE
6375 */
6376 static int SQLITE_TCLAPI test_wal_autocheckpoint(
6377   ClientData clientData, /* Unused */
6378   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
6379   int objc,              /* Number of arguments */
6380   Tcl_Obj *CONST objv[]  /* Command arguments */
6381 ){
6382   sqlite3 *db;
6383   int rc;
6384   int iVal;
6385 
6386 
6387   if( objc!=3 ){
6388     Tcl_WrongNumArgs(interp, 1, objv, "DB VALUE");
6389     return TCL_ERROR;
6390   }
6391 
6392   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db)
6393    || Tcl_GetIntFromObj(0, objv[2], &iVal)
6394   ){
6395     return TCL_ERROR;
6396   }
6397 
6398   rc = sqlite3_wal_autocheckpoint(db, iVal);
6399   Tcl_ResetResult(interp);
6400   if( rc!=SQLITE_OK ){
6401     const char *zErrCode = sqlite3ErrName(rc);
6402     Tcl_SetObjResult(interp, Tcl_NewStringObj(zErrCode, -1));
6403     return TCL_ERROR;
6404   }
6405 
6406   return TCL_OK;
6407 }
6408 
6409 
6410 /*
6411 ** tclcmd:  test_sqlite3_log ?SCRIPT?
6412 */
6413 static struct LogCallback {
6414   Tcl_Interp *pInterp;
6415   Tcl_Obj *pObj;
6416 } logcallback = {0, 0};
6417 static void xLogcallback(void *unused, int err, char *zMsg){
6418   Tcl_Obj *pNew = Tcl_DuplicateObj(logcallback.pObj);
6419   Tcl_IncrRefCount(pNew);
6420   Tcl_ListObjAppendElement(
6421       0, pNew, Tcl_NewStringObj(sqlite3ErrName(err), -1)
6422   );
6423   Tcl_ListObjAppendElement(0, pNew, Tcl_NewStringObj(zMsg, -1));
6424   Tcl_EvalObjEx(logcallback.pInterp, pNew, TCL_EVAL_GLOBAL|TCL_EVAL_DIRECT);
6425   Tcl_DecrRefCount(pNew);
6426 }
6427 static int SQLITE_TCLAPI test_sqlite3_log(
6428   ClientData clientData,
6429   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
6430   int objc,              /* Number of arguments */
6431   Tcl_Obj *CONST objv[]  /* Command arguments */
6432 ){
6433   if( objc>2 ){
6434     Tcl_WrongNumArgs(interp, 1, objv, "SCRIPT");
6435     return TCL_ERROR;
6436   }
6437   if( logcallback.pObj ){
6438     Tcl_DecrRefCount(logcallback.pObj);
6439     logcallback.pObj = 0;
6440     logcallback.pInterp = 0;
6441     sqlite3_config(SQLITE_CONFIG_LOG, (void*)0, (void*)0);
6442   }
6443   if( objc>1 ){
6444     logcallback.pObj = objv[1];
6445     Tcl_IncrRefCount(logcallback.pObj);
6446     logcallback.pInterp = interp;
6447     sqlite3_config(SQLITE_CONFIG_LOG, xLogcallback, (void*)0);
6448   }
6449   return TCL_OK;
6450 }
6451 
6452 /*
6453 **     tcl_objproc COMMANDNAME ARGS...
6454 **
6455 ** Run a TCL command using its objProc interface.  Throw an error if
6456 ** the command has no objProc interface.
6457 */
6458 static int SQLITE_TCLAPI runAsObjProc(
6459   void * clientData,
6460   Tcl_Interp *interp,
6461   int objc,
6462   Tcl_Obj *CONST objv[]
6463 ){
6464   Tcl_CmdInfo cmdInfo;
6465   if( objc<2 ){
6466     Tcl_WrongNumArgs(interp, 1, objv, "COMMAND ...");
6467     return TCL_ERROR;
6468   }
6469   if( !Tcl_GetCommandInfo(interp, Tcl_GetString(objv[1]), &cmdInfo) ){
6470     Tcl_AppendResult(interp, "command not found: ",
6471            Tcl_GetString(objv[1]), (char*)0);
6472     return TCL_ERROR;
6473   }
6474   if( cmdInfo.objProc==0 ){
6475     Tcl_AppendResult(interp, "command has no objProc: ",
6476            Tcl_GetString(objv[1]), (char*)0);
6477     return TCL_ERROR;
6478   }
6479   return cmdInfo.objProc(cmdInfo.objClientData, interp, objc-1, objv+1);
6480 }
6481 
6482 #ifndef SQLITE_OMIT_EXPLAIN
6483 /*
6484 ** WARNING: The following function, printExplainQueryPlan() is an exact
6485 ** copy of example code from eqp.in (eqp.html). If this code is modified,
6486 ** then the documentation copy needs to be modified as well.
6487 */
6488 /*
6489 ** Argument pStmt is a prepared SQL statement. This function compiles
6490 ** an EXPLAIN QUERY PLAN command to report on the prepared statement,
6491 ** and prints the report to stdout using printf().
6492 */
6493 int printExplainQueryPlan(sqlite3_stmt *pStmt){
6494   const char *zSql;               /* Input SQL */
6495   char *zExplain;                 /* SQL with EXPLAIN QUERY PLAN prepended */
6496   sqlite3_stmt *pExplain;         /* Compiled EXPLAIN QUERY PLAN command */
6497   int rc;                         /* Return code from sqlite3_prepare_v2() */
6498 
6499   zSql = sqlite3_sql(pStmt);
6500   if( zSql==0 ) return SQLITE_ERROR;
6501 
6502   zExplain = sqlite3_mprintf("EXPLAIN QUERY PLAN %s", zSql);
6503   if( zExplain==0 ) return SQLITE_NOMEM;
6504 
6505   rc = sqlite3_prepare_v2(sqlite3_db_handle(pStmt), zExplain, -1, &pExplain, 0);
6506   sqlite3_free(zExplain);
6507   if( rc!=SQLITE_OK ) return rc;
6508 
6509   while( SQLITE_ROW==sqlite3_step(pExplain) ){
6510     int iSelectid = sqlite3_column_int(pExplain, 0);
6511     int iOrder = sqlite3_column_int(pExplain, 1);
6512     int iFrom = sqlite3_column_int(pExplain, 2);
6513     const char *zDetail = (const char *)sqlite3_column_text(pExplain, 3);
6514 
6515     printf("%d %d %d %s\n", iSelectid, iOrder, iFrom, zDetail);
6516   }
6517 
6518   return sqlite3_finalize(pExplain);
6519 }
6520 
6521 static int SQLITE_TCLAPI test_print_eqp(
6522   void * clientData,
6523   Tcl_Interp *interp,
6524   int objc,
6525   Tcl_Obj *CONST objv[]
6526 ){
6527   int rc;
6528   sqlite3_stmt *pStmt;
6529 
6530   if( objc!=2 ){
6531     Tcl_WrongNumArgs(interp, 1, objv, "STMT");
6532     return TCL_ERROR;
6533   }
6534   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
6535   rc = printExplainQueryPlan(pStmt);
6536   /* This is needed on Windows so that a test case using this
6537   ** function can open a read pipe and get the output of
6538   ** printExplainQueryPlan() immediately.
6539   */
6540   fflush(stdout);
6541   Tcl_SetResult(interp, (char *)t1ErrorName(rc), 0);
6542   return TCL_OK;
6543 }
6544 #endif /* SQLITE_OMIT_EXPLAIN */
6545 
6546 /*
6547 ** sqlite3_test_control VERB ARGS...
6548 */
6549 static int SQLITE_TCLAPI test_test_control(
6550   void * clientData,
6551   Tcl_Interp *interp,
6552   int objc,
6553   Tcl_Obj *CONST objv[]
6554 ){
6555   struct Verb {
6556     const char *zName;
6557     int i;
6558   } aVerb[] = {
6559     { "SQLITE_TESTCTRL_LOCALTIME_FAULT", SQLITE_TESTCTRL_LOCALTIME_FAULT },
6560     { "SQLITE_TESTCTRL_SORTER_MMAP",     SQLITE_TESTCTRL_SORTER_MMAP     },
6561     { "SQLITE_TESTCTRL_IMPOSTER",        SQLITE_TESTCTRL_IMPOSTER        },
6562   };
6563   int iVerb;
6564   int iFlag;
6565   int rc;
6566 
6567   if( objc<2 ){
6568     Tcl_WrongNumArgs(interp, 1, objv, "VERB ARGS...");
6569     return TCL_ERROR;
6570   }
6571 
6572   rc = Tcl_GetIndexFromObjStruct(
6573       interp, objv[1], aVerb, sizeof(aVerb[0]), "VERB", 0, &iVerb
6574   );
6575   if( rc!=TCL_OK ) return rc;
6576 
6577   iFlag = aVerb[iVerb].i;
6578   switch( iFlag ){
6579     case SQLITE_TESTCTRL_LOCALTIME_FAULT: {
6580       int val;
6581       if( objc!=3 ){
6582         Tcl_WrongNumArgs(interp, 2, objv, "ONOFF");
6583         return TCL_ERROR;
6584       }
6585       if( Tcl_GetBooleanFromObj(interp, objv[2], &val) ) return TCL_ERROR;
6586       sqlite3_test_control(SQLITE_TESTCTRL_LOCALTIME_FAULT, val);
6587       break;
6588     }
6589 
6590     case SQLITE_TESTCTRL_SORTER_MMAP: {
6591       int val;
6592       sqlite3 *db;
6593       if( objc!=4 ){
6594         Tcl_WrongNumArgs(interp, 2, objv, "DB LIMIT");
6595         return TCL_ERROR;
6596       }
6597       if( getDbPointer(interp, Tcl_GetString(objv[2]), &db) ) return TCL_ERROR;
6598       if( Tcl_GetIntFromObj(interp, objv[3], &val) ) return TCL_ERROR;
6599       sqlite3_test_control(SQLITE_TESTCTRL_SORTER_MMAP, db, val);
6600       break;
6601     }
6602 
6603     case SQLITE_TESTCTRL_IMPOSTER: {
6604       int onOff, tnum;
6605       const char *zDbName;
6606       sqlite3 *db;
6607       if( objc!=6 ){
6608         Tcl_WrongNumArgs(interp, 2, objv, "DB dbName onOff tnum");
6609         return TCL_ERROR;
6610       }
6611       if( getDbPointer(interp, Tcl_GetString(objv[2]), &db) ) return TCL_ERROR;
6612       zDbName = Tcl_GetString(objv[3]);
6613       if( Tcl_GetIntFromObj(interp, objv[4], &onOff) ) return TCL_ERROR;
6614       if( Tcl_GetIntFromObj(interp, objv[5], &tnum) ) return TCL_ERROR;
6615       sqlite3_test_control(SQLITE_TESTCTRL_IMPOSTER, db, zDbName, onOff, tnum);
6616       break;
6617     }
6618   }
6619 
6620   Tcl_ResetResult(interp);
6621   return TCL_OK;
6622 }
6623 
6624 #if SQLITE_OS_UNIX
6625 #include <sys/time.h>
6626 #include <sys/resource.h>
6627 
6628 static int SQLITE_TCLAPI test_getrusage(
6629   void * clientData,
6630   Tcl_Interp *interp,
6631   int objc,
6632   Tcl_Obj *CONST objv[]
6633 ){
6634   char buf[1024];
6635   struct rusage r;
6636   memset(&r, 0, sizeof(r));
6637   getrusage(RUSAGE_SELF, &r);
6638 
6639   sqlite3_snprintf(sizeof(buf), buf,
6640     "ru_utime=%d.%06d ru_stime=%d.%06d ru_minflt=%d ru_majflt=%d",
6641     (int)r.ru_utime.tv_sec, (int)r.ru_utime.tv_usec,
6642     (int)r.ru_stime.tv_sec, (int)r.ru_stime.tv_usec,
6643     (int)r.ru_minflt, (int)r.ru_majflt
6644   );
6645   Tcl_SetObjResult(interp, Tcl_NewStringObj(buf, -1));
6646   return TCL_OK;
6647 }
6648 #endif
6649 
6650 #if SQLITE_OS_WIN
6651 /*
6652 ** Information passed from the main thread into the windows file locker
6653 ** background thread.
6654 */
6655 struct win32FileLocker {
6656   char *evName;       /* Name of event to signal thread startup */
6657   HANDLE h;           /* Handle of the file to be locked */
6658   int delay1;         /* Delay before locking */
6659   int delay2;         /* Delay before unlocking */
6660   int ok;             /* Finished ok */
6661   int err;            /* True if an error occurs */
6662 };
6663 #endif
6664 
6665 
6666 #if SQLITE_OS_WIN
6667 #include <process.h>
6668 /*
6669 ** The background thread that does file locking.
6670 */
6671 static void SQLITE_CDECL win32_file_locker(void *pAppData){
6672   struct win32FileLocker *p = (struct win32FileLocker*)pAppData;
6673   if( p->evName ){
6674     HANDLE ev = OpenEvent(EVENT_MODIFY_STATE, FALSE, p->evName);
6675     if ( ev ){
6676       SetEvent(ev);
6677       CloseHandle(ev);
6678     }
6679   }
6680   if( p->delay1 ) Sleep(p->delay1);
6681   if( LockFile(p->h, 0, 0, 100000000, 0) ){
6682     Sleep(p->delay2);
6683     UnlockFile(p->h, 0, 0, 100000000, 0);
6684     p->ok = 1;
6685   }else{
6686     p->err = 1;
6687   }
6688   CloseHandle(p->h);
6689   p->h = 0;
6690   p->delay1 = 0;
6691   p->delay2 = 0;
6692 }
6693 #endif
6694 
6695 #if SQLITE_OS_WIN
6696 /*
6697 **      lock_win32_file FILENAME DELAY1 DELAY2
6698 **
6699 ** Get an exclusive manditory lock on file for DELAY2 milliseconds.
6700 ** Wait DELAY1 milliseconds before acquiring the lock.
6701 */
6702 static int SQLITE_TCLAPI win32_file_lock(
6703   void * clientData,
6704   Tcl_Interp *interp,
6705   int objc,
6706   Tcl_Obj *CONST objv[]
6707 ){
6708   static struct win32FileLocker x = { "win32_file_lock", 0, 0, 0, 0, 0 };
6709   const char *zFilename;
6710   char zBuf[200];
6711   int retry = 0;
6712   HANDLE ev;
6713   DWORD wResult;
6714 
6715   if( objc!=4 && objc!=1 ){
6716     Tcl_WrongNumArgs(interp, 1, objv, "FILENAME DELAY1 DELAY2");
6717     return TCL_ERROR;
6718   }
6719   if( objc==1 ){
6720     sqlite3_snprintf(sizeof(zBuf), zBuf, "%d %d %d %d %d",
6721                      x.ok, x.err, x.delay1, x.delay2, x.h);
6722     Tcl_AppendResult(interp, zBuf, (char*)0);
6723     return TCL_OK;
6724   }
6725   while( x.h && retry<30 ){
6726     retry++;
6727     Sleep(100);
6728   }
6729   if( x.h ){
6730     Tcl_AppendResult(interp, "busy", (char*)0);
6731     return TCL_ERROR;
6732   }
6733   if( Tcl_GetIntFromObj(interp, objv[2], &x.delay1) ) return TCL_ERROR;
6734   if( Tcl_GetIntFromObj(interp, objv[3], &x.delay2) ) return TCL_ERROR;
6735   zFilename = Tcl_GetString(objv[1]);
6736   x.h = CreateFile(zFilename, GENERIC_READ|GENERIC_WRITE,
6737               FILE_SHARE_READ|FILE_SHARE_WRITE, 0, OPEN_ALWAYS,
6738               FILE_ATTRIBUTE_NORMAL, 0);
6739   if( !x.h ){
6740     Tcl_AppendResult(interp, "cannot open file: ", zFilename, (char*)0);
6741     return TCL_ERROR;
6742   }
6743   ev = CreateEvent(NULL, TRUE, FALSE, x.evName);
6744   if ( !ev ){
6745     Tcl_AppendResult(interp, "cannot create event: ", x.evName, (char*)0);
6746     return TCL_ERROR;
6747   }
6748   _beginthread(win32_file_locker, 0, (void*)&x);
6749   Sleep(0);
6750   if ( (wResult = WaitForSingleObject(ev, 10000))!=WAIT_OBJECT_0 ){
6751     sqlite3_snprintf(sizeof(zBuf), zBuf, "0x%x", wResult);
6752     Tcl_AppendResult(interp, "wait failed: ", zBuf, (char*)0);
6753     CloseHandle(ev);
6754     return TCL_ERROR;
6755   }
6756   CloseHandle(ev);
6757   return TCL_OK;
6758 }
6759 
6760 /*
6761 **      exists_win32_path PATH
6762 **
6763 ** Returns non-zero if the specified path exists, whose fully qualified name
6764 ** may exceed 260 characters if it is prefixed with "\\?\".
6765 */
6766 static int SQLITE_TCLAPI win32_exists_path(
6767   void *clientData,
6768   Tcl_Interp *interp,
6769   int objc,
6770   Tcl_Obj *CONST objv[]
6771 ){
6772   if( objc!=2 ){
6773     Tcl_WrongNumArgs(interp, 1, objv, "PATH");
6774     return TCL_ERROR;
6775   }
6776   Tcl_SetObjResult(interp, Tcl_NewBooleanObj(
6777       GetFileAttributesW( Tcl_GetUnicode(objv[1]))!=INVALID_FILE_ATTRIBUTES ));
6778   return TCL_OK;
6779 }
6780 
6781 /*
6782 **      find_win32_file PATTERN
6783 **
6784 ** Returns a list of entries in a directory that match the specified pattern,
6785 ** whose fully qualified name may exceed 248 characters if it is prefixed with
6786 ** "\\?\".
6787 */
6788 static int SQLITE_TCLAPI win32_find_file(
6789   void *clientData,
6790   Tcl_Interp *interp,
6791   int objc,
6792   Tcl_Obj *CONST objv[]
6793 ){
6794   HANDLE hFindFile = INVALID_HANDLE_VALUE;
6795   WIN32_FIND_DATAW findData;
6796   Tcl_Obj *listObj;
6797   DWORD lastErrno;
6798   if( objc!=2 ){
6799     Tcl_WrongNumArgs(interp, 1, objv, "PATTERN");
6800     return TCL_ERROR;
6801   }
6802   hFindFile = FindFirstFileW(Tcl_GetUnicode(objv[1]), &findData);
6803   if( hFindFile==INVALID_HANDLE_VALUE ){
6804     Tcl_SetObjResult(interp, Tcl_NewWideIntObj(GetLastError()));
6805     return TCL_ERROR;
6806   }
6807   listObj = Tcl_NewObj();
6808   Tcl_IncrRefCount(listObj);
6809   do {
6810     Tcl_ListObjAppendElement(interp, listObj, Tcl_NewUnicodeObj(
6811         findData.cFileName, -1));
6812     Tcl_ListObjAppendElement(interp, listObj, Tcl_NewWideIntObj(
6813         findData.dwFileAttributes));
6814   } while( FindNextFileW(hFindFile, &findData) );
6815   lastErrno = GetLastError();
6816   if( lastErrno!=NO_ERROR && lastErrno!=ERROR_NO_MORE_FILES ){
6817     FindClose(hFindFile);
6818     Tcl_DecrRefCount(listObj);
6819     Tcl_SetObjResult(interp, Tcl_NewWideIntObj(GetLastError()));
6820     return TCL_ERROR;
6821   }
6822   FindClose(hFindFile);
6823   Tcl_SetObjResult(interp, listObj);
6824   return TCL_OK;
6825 }
6826 
6827 /*
6828 **      delete_win32_file FILENAME
6829 **
6830 ** Deletes the specified file, whose fully qualified name may exceed 260
6831 ** characters if it is prefixed with "\\?\".
6832 */
6833 static int SQLITE_TCLAPI win32_delete_file(
6834   void *clientData,
6835   Tcl_Interp *interp,
6836   int objc,
6837   Tcl_Obj *CONST objv[]
6838 ){
6839   if( objc!=2 ){
6840     Tcl_WrongNumArgs(interp, 1, objv, "FILENAME");
6841     return TCL_ERROR;
6842   }
6843   if( !DeleteFileW(Tcl_GetUnicode(objv[1])) ){
6844     Tcl_SetObjResult(interp, Tcl_NewWideIntObj(GetLastError()));
6845     return TCL_ERROR;
6846   }
6847   Tcl_ResetResult(interp);
6848   return TCL_OK;
6849 }
6850 
6851 /*
6852 **      make_win32_dir DIRECTORY
6853 **
6854 ** Creates the specified directory, whose fully qualified name may exceed 248
6855 ** characters if it is prefixed with "\\?\".
6856 */
6857 static int SQLITE_TCLAPI win32_mkdir(
6858   void *clientData,
6859   Tcl_Interp *interp,
6860   int objc,
6861   Tcl_Obj *CONST objv[]
6862 ){
6863   if( objc!=2 ){
6864     Tcl_WrongNumArgs(interp, 1, objv, "DIRECTORY");
6865     return TCL_ERROR;
6866   }
6867   if( !CreateDirectoryW(Tcl_GetUnicode(objv[1]), NULL) ){
6868     Tcl_SetObjResult(interp, Tcl_NewWideIntObj(GetLastError()));
6869     return TCL_ERROR;
6870   }
6871   Tcl_ResetResult(interp);
6872   return TCL_OK;
6873 }
6874 
6875 /*
6876 **      remove_win32_dir DIRECTORY
6877 **
6878 ** Removes the specified directory, whose fully qualified name may exceed 248
6879 ** characters if it is prefixed with "\\?\".
6880 */
6881 static int SQLITE_TCLAPI win32_rmdir(
6882   void *clientData,
6883   Tcl_Interp *interp,
6884   int objc,
6885   Tcl_Obj *CONST objv[]
6886 ){
6887   if( objc!=2 ){
6888     Tcl_WrongNumArgs(interp, 1, objv, "DIRECTORY");
6889     return TCL_ERROR;
6890   }
6891   if( !RemoveDirectoryW(Tcl_GetUnicode(objv[1])) ){
6892     Tcl_SetObjResult(interp, Tcl_NewWideIntObj(GetLastError()));
6893     return TCL_ERROR;
6894   }
6895   Tcl_ResetResult(interp);
6896   return TCL_OK;
6897 }
6898 #endif
6899 
6900 
6901 /*
6902 **      optimization_control DB OPT BOOLEAN
6903 **
6904 ** Enable or disable query optimizations using the sqlite3_test_control()
6905 ** interface.  Disable if BOOLEAN is false and enable if BOOLEAN is true.
6906 ** OPT is the name of the optimization to be disabled.
6907 */
6908 static int SQLITE_TCLAPI optimization_control(
6909   void * clientData,
6910   Tcl_Interp *interp,
6911   int objc,
6912   Tcl_Obj *CONST objv[]
6913 ){
6914   int i;
6915   sqlite3 *db;
6916   const char *zOpt;
6917   int onoff;
6918   int mask = 0;
6919   static const struct {
6920     const char *zOptName;
6921     int mask;
6922   } aOpt[] = {
6923     { "all",                 SQLITE_AllOpts        },
6924     { "none",                0                     },
6925     { "query-flattener",     SQLITE_QueryFlattener },
6926     { "column-cache",        SQLITE_ColumnCache    },
6927     { "groupby-order",       SQLITE_GroupByOrder   },
6928     { "factor-constants",    SQLITE_FactorOutConst },
6929     { "distinct-opt",        SQLITE_DistinctOpt    },
6930     { "cover-idx-scan",      SQLITE_CoverIdxScan   },
6931     { "order-by-idx-join",   SQLITE_OrderByIdxJoin },
6932     { "transitive",          SQLITE_Transitive     },
6933     { "omit-noop-join",      SQLITE_OmitNoopJoin   },
6934     { "stat3",               SQLITE_Stat34         },
6935     { "stat4",               SQLITE_Stat34         },
6936   };
6937 
6938   if( objc!=4 ){
6939     Tcl_WrongNumArgs(interp, 1, objv, "DB OPT BOOLEAN");
6940     return TCL_ERROR;
6941   }
6942   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
6943   if( Tcl_GetBooleanFromObj(interp, objv[3], &onoff) ) return TCL_ERROR;
6944   zOpt = Tcl_GetString(objv[2]);
6945   for(i=0; i<sizeof(aOpt)/sizeof(aOpt[0]); i++){
6946     if( strcmp(zOpt, aOpt[i].zOptName)==0 ){
6947       mask = aOpt[i].mask;
6948       break;
6949     }
6950   }
6951   if( onoff ) mask = ~mask;
6952   if( i>=sizeof(aOpt)/sizeof(aOpt[0]) ){
6953     Tcl_AppendResult(interp, "unknown optimization - should be one of:",
6954                      (char*)0);
6955     for(i=0; i<sizeof(aOpt)/sizeof(aOpt[0]); i++){
6956       Tcl_AppendResult(interp, " ", aOpt[i].zOptName, (char*)0);
6957     }
6958     return TCL_ERROR;
6959   }
6960   sqlite3_test_control(SQLITE_TESTCTRL_OPTIMIZATIONS, db, mask);
6961   return TCL_OK;
6962 }
6963 
6964 /*
6965 **     load_static_extension DB NAME ...
6966 **
6967 ** Load one or more statically linked extensions.
6968 */
6969 static int SQLITE_TCLAPI tclLoadStaticExtensionCmd(
6970   void * clientData,
6971   Tcl_Interp *interp,
6972   int objc,
6973   Tcl_Obj *CONST objv[]
6974 ){
6975   extern int sqlite3_amatch_init(sqlite3*,char**,const sqlite3_api_routines*);
6976   extern int sqlite3_carray_init(sqlite3*,char**,const sqlite3_api_routines*);
6977   extern int sqlite3_closure_init(sqlite3*,char**,const sqlite3_api_routines*);
6978   extern int sqlite3_csv_init(sqlite3*,char**,const sqlite3_api_routines*);
6979   extern int sqlite3_eval_init(sqlite3*,char**,const sqlite3_api_routines*);
6980   extern int sqlite3_fileio_init(sqlite3*,char**,const sqlite3_api_routines*);
6981   extern int sqlite3_fuzzer_init(sqlite3*,char**,const sqlite3_api_routines*);
6982   extern int sqlite3_ieee_init(sqlite3*,char**,const sqlite3_api_routines*);
6983   extern int sqlite3_nextchar_init(sqlite3*,char**,const sqlite3_api_routines*);
6984   extern int sqlite3_percentile_init(sqlite3*,char**,const sqlite3_api_routines*);
6985   extern int sqlite3_regexp_init(sqlite3*,char**,const sqlite3_api_routines*);
6986   extern int sqlite3_remember_init(sqlite3*,char**,const sqlite3_api_routines*);
6987   extern int sqlite3_series_init(sqlite3*,char**,const sqlite3_api_routines*);
6988   extern int sqlite3_spellfix_init(sqlite3*,char**,const sqlite3_api_routines*);
6989   extern int sqlite3_totype_init(sqlite3*,char**,const sqlite3_api_routines*);
6990   extern int sqlite3_wholenumber_init(sqlite3*,char**,const sqlite3_api_routines*);
6991   extern int sqlite3_unionvtab_init(sqlite3*,char**,const sqlite3_api_routines*);
6992 #ifdef SQLITE_HAVE_ZLIB
6993   extern int sqlite3_zipfile_init(sqlite3*,char**,const sqlite3_api_routines*);
6994 #endif
6995   static const struct {
6996     const char *zExtName;
6997     int (*pInit)(sqlite3*,char**,const sqlite3_api_routines*);
6998   } aExtension[] = {
6999     { "amatch",                sqlite3_amatch_init               },
7000     { "carray",                sqlite3_carray_init               },
7001     { "closure",               sqlite3_closure_init              },
7002     { "csv",                   sqlite3_csv_init                  },
7003     { "eval",                  sqlite3_eval_init                 },
7004     { "fileio",                sqlite3_fileio_init               },
7005     { "fuzzer",                sqlite3_fuzzer_init               },
7006     { "ieee754",               sqlite3_ieee_init                 },
7007     { "nextchar",              sqlite3_nextchar_init             },
7008     { "percentile",            sqlite3_percentile_init           },
7009     { "regexp",                sqlite3_regexp_init               },
7010     { "remember",              sqlite3_remember_init             },
7011     { "series",                sqlite3_series_init               },
7012     { "spellfix",              sqlite3_spellfix_init             },
7013     { "totype",                sqlite3_totype_init               },
7014     { "unionvtab",             sqlite3_unionvtab_init            },
7015     { "wholenumber",           sqlite3_wholenumber_init          },
7016 #ifdef SQLITE_HAVE_ZLIB
7017     { "zipfile",               sqlite3_zipfile_init              },
7018 #endif
7019   };
7020   sqlite3 *db;
7021   const char *zName;
7022   int i, j, rc;
7023   char *zErrMsg = 0;
7024   if( objc<3 ){
7025     Tcl_WrongNumArgs(interp, 1, objv, "DB NAME ...");
7026     return TCL_ERROR;
7027   }
7028   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
7029   for(j=2; j<objc; j++){
7030     zName = Tcl_GetString(objv[j]);
7031     for(i=0; i<ArraySize(aExtension); i++){
7032       if( strcmp(zName, aExtension[i].zExtName)==0 ) break;
7033     }
7034     if( i>=ArraySize(aExtension) ){
7035       Tcl_AppendResult(interp, "no such extension: ", zName, (char*)0);
7036       return TCL_ERROR;
7037     }
7038     if( aExtension[i].pInit ){
7039       rc = aExtension[i].pInit(db, &zErrMsg, 0);
7040     }else{
7041       rc = SQLITE_OK;
7042     }
7043     if( rc!=SQLITE_OK || zErrMsg ){
7044       Tcl_AppendResult(interp, "initialization of ", zName, " failed: ", zErrMsg,
7045                        (char*)0);
7046       sqlite3_free(zErrMsg);
7047       return TCL_ERROR;
7048     }
7049   }
7050   return TCL_OK;
7051 }
7052 
7053 /*
7054 **     sorter_test_fakeheap BOOL
7055 **
7056 */
7057 static int SQLITE_TCLAPI sorter_test_fakeheap(
7058   void * clientData,
7059   Tcl_Interp *interp,
7060   int objc,
7061   Tcl_Obj *CONST objv[]
7062 ){
7063   int bArg;
7064   if( objc!=2 ){
7065     Tcl_WrongNumArgs(interp, 1, objv, "BOOL");
7066     return TCL_ERROR;
7067   }
7068 
7069   if( Tcl_GetBooleanFromObj(interp, objv[1], &bArg) ){
7070     return TCL_ERROR;
7071   }
7072 
7073   if( bArg ){
7074     if( sqlite3GlobalConfig.pHeap==0 ){
7075       sqlite3GlobalConfig.pHeap = SQLITE_INT_TO_PTR(-1);
7076     }
7077   }else{
7078     if( sqlite3GlobalConfig.pHeap==SQLITE_INT_TO_PTR(-1) ){
7079       sqlite3GlobalConfig.pHeap = 0;
7080     }
7081   }
7082 
7083   Tcl_ResetResult(interp);
7084   return TCL_OK;
7085 }
7086 
7087 /*
7088 **     sorter_test_sort4_helper DB SQL1 NSTEP SQL2
7089 **
7090 ** Compile SQL statement $SQL1 and step it $NSTEP times. For each row,
7091 ** check that the leftmost and rightmost columns returned are both integers,
7092 ** and that both contain the same value.
7093 **
7094 ** Then execute statement $SQL2. Check that the statement returns the same
7095 ** set of integers in the same order as in the previous step (using $SQL1).
7096 */
7097 static int SQLITE_TCLAPI sorter_test_sort4_helper(
7098   void * clientData,
7099   Tcl_Interp *interp,
7100   int objc,
7101   Tcl_Obj *CONST objv[]
7102 ){
7103   const char *zSql1;
7104   const char *zSql2;
7105   int nStep;
7106   int iStep;
7107   unsigned int iCksum1 = 0;
7108   unsigned int iCksum2 = 0;
7109   int rc;
7110   int iB;
7111   sqlite3 *db;
7112   sqlite3_stmt *pStmt;
7113 
7114   if( objc!=5 ){
7115     Tcl_WrongNumArgs(interp, 1, objv, "DB SQL1 NSTEP SQL2");
7116     return TCL_ERROR;
7117   }
7118 
7119   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
7120   zSql1 = Tcl_GetString(objv[2]);
7121   if( Tcl_GetIntFromObj(interp, objv[3], &nStep) ) return TCL_ERROR;
7122   zSql2 = Tcl_GetString(objv[4]);
7123 
7124   rc = sqlite3_prepare_v2(db, zSql1, -1, &pStmt, 0);
7125   if( rc!=SQLITE_OK ) goto sql_error;
7126 
7127   iB = sqlite3_column_count(pStmt)-1;
7128   for(iStep=0; iStep<nStep && SQLITE_ROW==sqlite3_step(pStmt); iStep++){
7129     int a = sqlite3_column_int(pStmt, 0);
7130     if( a!=sqlite3_column_int(pStmt, iB) ){
7131       Tcl_AppendResult(interp, "data error: (a!=b)", 0);
7132       return TCL_ERROR;
7133     }
7134 
7135     iCksum1 += (iCksum1 << 3) + (unsigned int)a;
7136   }
7137   rc = sqlite3_finalize(pStmt);
7138   if( rc!=SQLITE_OK ) goto sql_error;
7139 
7140   rc = sqlite3_prepare_v2(db, zSql2, -1, &pStmt, 0);
7141   if( rc!=SQLITE_OK ) goto sql_error;
7142   for(iStep=0; SQLITE_ROW==sqlite3_step(pStmt); iStep++){
7143     int a = sqlite3_column_int(pStmt, 0);
7144     iCksum2 += (iCksum2 << 3) + (unsigned int)a;
7145   }
7146   rc = sqlite3_finalize(pStmt);
7147   if( rc!=SQLITE_OK ) goto sql_error;
7148 
7149   if( iCksum1!=iCksum2 ){
7150     Tcl_AppendResult(interp, "checksum mismatch", 0);
7151     return TCL_ERROR;
7152   }
7153 
7154   return TCL_OK;
7155  sql_error:
7156   Tcl_AppendResult(interp, "sql error: ", sqlite3_errmsg(db), 0);
7157   return TCL_ERROR;
7158 }
7159 
7160 
7161 #ifdef SQLITE_USER_AUTHENTICATION
7162 #include "sqlite3userauth.h"
7163 /*
7164 ** tclcmd:  sqlite3_user_authenticate DB USERNAME PASSWORD
7165 */
7166 static int SQLITE_TCLAPI test_user_authenticate(
7167   ClientData clientData, /* Unused */
7168   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
7169   int objc,              /* Number of arguments */
7170   Tcl_Obj *CONST objv[]  /* Command arguments */
7171 ){
7172   char *zUser = 0;
7173   char *zPasswd = 0;
7174   int nPasswd = 0;
7175   sqlite3 *db;
7176   int rc;
7177 
7178   if( objc!=4 ){
7179     Tcl_WrongNumArgs(interp, 1, objv, "DB USERNAME PASSWORD");
7180     return TCL_ERROR;
7181   }
7182   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ){
7183     return TCL_ERROR;
7184   }
7185   zUser = Tcl_GetString(objv[2]);
7186   zPasswd = Tcl_GetStringFromObj(objv[3], &nPasswd);
7187   rc = sqlite3_user_authenticate(db, zUser, zPasswd, nPasswd);
7188   Tcl_SetResult(interp, (char *)t1ErrorName(rc), TCL_STATIC);
7189   return TCL_OK;
7190 }
7191 #endif /* SQLITE_USER_AUTHENTICATION */
7192 
7193 #ifdef SQLITE_USER_AUTHENTICATION
7194 /*
7195 ** tclcmd:  sqlite3_user_add DB USERNAME PASSWORD ISADMIN
7196 */
7197 static int SQLITE_TCLAPI test_user_add(
7198   ClientData clientData, /* Unused */
7199   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
7200   int objc,              /* Number of arguments */
7201   Tcl_Obj *CONST objv[]  /* Command arguments */
7202 ){
7203   char *zUser = 0;
7204   char *zPasswd = 0;
7205   int nPasswd = 0;
7206   int isAdmin = 0;
7207   sqlite3 *db;
7208   int rc;
7209 
7210   if( objc!=5 ){
7211     Tcl_WrongNumArgs(interp, 1, objv, "DB USERNAME PASSWORD ISADMIN");
7212     return TCL_ERROR;
7213   }
7214   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ){
7215     return TCL_ERROR;
7216   }
7217   zUser = Tcl_GetString(objv[2]);
7218   zPasswd = Tcl_GetStringFromObj(objv[3], &nPasswd);
7219   Tcl_GetBooleanFromObj(interp, objv[4], &isAdmin);
7220   rc = sqlite3_user_add(db, zUser, zPasswd, nPasswd, isAdmin);
7221   Tcl_SetResult(interp, (char *)t1ErrorName(rc), TCL_STATIC);
7222   return TCL_OK;
7223 }
7224 #endif /* SQLITE_USER_AUTHENTICATION */
7225 
7226 #ifdef SQLITE_USER_AUTHENTICATION
7227 /*
7228 ** tclcmd:  sqlite3_user_change DB USERNAME PASSWORD ISADMIN
7229 */
7230 static int SQLITE_TCLAPI test_user_change(
7231   ClientData clientData, /* Unused */
7232   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
7233   int objc,              /* Number of arguments */
7234   Tcl_Obj *CONST objv[]  /* Command arguments */
7235 ){
7236   char *zUser = 0;
7237   char *zPasswd = 0;
7238   int nPasswd = 0;
7239   int isAdmin = 0;
7240   sqlite3 *db;
7241   int rc;
7242 
7243   if( objc!=5 ){
7244     Tcl_WrongNumArgs(interp, 1, objv, "DB USERNAME PASSWORD ISADMIN");
7245     return TCL_ERROR;
7246   }
7247   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ){
7248     return TCL_ERROR;
7249   }
7250   zUser = Tcl_GetString(objv[2]);
7251   zPasswd = Tcl_GetStringFromObj(objv[3], &nPasswd);
7252   Tcl_GetBooleanFromObj(interp, objv[4], &isAdmin);
7253   rc = sqlite3_user_change(db, zUser, zPasswd, nPasswd, isAdmin);
7254   Tcl_SetResult(interp, (char *)t1ErrorName(rc), TCL_STATIC);
7255   return TCL_OK;
7256 }
7257 #endif /* SQLITE_USER_AUTHENTICATION */
7258 
7259 #ifdef SQLITE_USER_AUTHENTICATION
7260 /*
7261 ** tclcmd:  sqlite3_user_delete DB USERNAME
7262 */
7263 static int SQLITE_TCLAPI test_user_delete(
7264   ClientData clientData, /* Unused */
7265   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
7266   int objc,              /* Number of arguments */
7267   Tcl_Obj *CONST objv[]  /* Command arguments */
7268 ){
7269   char *zUser = 0;
7270   sqlite3 *db;
7271   int rc;
7272 
7273   if( objc!=3 ){
7274     Tcl_WrongNumArgs(interp, 1, objv, "DB USERNAME");
7275     return TCL_ERROR;
7276   }
7277   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ){
7278     return TCL_ERROR;
7279   }
7280   zUser = Tcl_GetString(objv[2]);
7281   rc = sqlite3_user_delete(db, zUser);
7282   Tcl_SetResult(interp, (char *)t1ErrorName(rc), TCL_STATIC);
7283   return TCL_OK;
7284 }
7285 #endif /* SQLITE_USER_AUTHENTICATION */
7286 
7287 /*
7288 ** tclcmd: bad_behavior TYPE
7289 **
7290 ** Do some things that should trigger a valgrind or -fsanitize=undefined
7291 ** warning.  This is used to verify that errors and warnings output by those
7292 ** tools are detected by the test scripts.
7293 **
7294 **       TYPE       BEHAVIOR
7295 **       1          Overflow a signed integer
7296 **       2          Jump based on an uninitialized variable
7297 **       3          Read after free
7298 **       4          Panic
7299 */
7300 static int SQLITE_TCLAPI test_bad_behavior(
7301   ClientData clientData, /* Pointer to an integer containing zero */
7302   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
7303   int objc,              /* Number of arguments */
7304   Tcl_Obj *CONST objv[]  /* Command arguments */
7305 ){
7306   int iType;
7307   int xyz;
7308   int i = *(int*)clientData;
7309   int j;
7310   int w[10];
7311   int *a;
7312   if( objc!=2 ){
7313     Tcl_WrongNumArgs(interp, 1, objv, "TYPE");
7314     return TCL_ERROR;
7315   }
7316   if( Tcl_GetIntFromObj(interp, objv[1], &iType) ) return TCL_ERROR;
7317   switch( iType ){
7318     case 1: {
7319       xyz = 0x7fffff00 - i;
7320       xyz += 0x100;
7321       Tcl_SetObjResult(interp, Tcl_NewIntObj(xyz));
7322       break;
7323     }
7324     case 2: {
7325       w[1] = 5;
7326       if( w[i]>0 ) w[1]++;
7327       Tcl_SetObjResult(interp, Tcl_NewIntObj(w[1]));
7328       break;
7329     }
7330     case 3: {
7331       a = malloc( sizeof(int)*10 );
7332       for(j=0; j<10; j++) a[j] = j;
7333       free(a);
7334       Tcl_SetObjResult(interp, Tcl_NewIntObj(a[i]));
7335       break;
7336     }
7337     case 4: {
7338       Tcl_Panic("Deliberate panic");
7339       break;
7340     }
7341   }
7342   return TCL_OK;
7343 }
7344 
7345 /*
7346 ** tclcmd:   register_dbstat_vtab DB
7347 **
7348 ** Cause the dbstat virtual table to be available on the connection DB
7349 */
7350 static int SQLITE_TCLAPI test_register_dbstat_vtab(
7351   void *clientData,
7352   Tcl_Interp *interp,
7353   int objc,
7354   Tcl_Obj *CONST objv[]
7355 ){
7356 #ifdef SQLITE_OMIT_VIRTUALTABLE
7357   Tcl_AppendResult(interp, "dbstat not available because of "
7358                            "SQLITE_OMIT_VIRTUALTABLE", (void*)0);
7359   return TCL_ERROR;
7360 #else
7361   struct SqliteDb { sqlite3 *db; };
7362   char *zDb;
7363   Tcl_CmdInfo cmdInfo;
7364 
7365   if( objc!=2 ){
7366     Tcl_WrongNumArgs(interp, 1, objv, "DB");
7367     return TCL_ERROR;
7368   }
7369 
7370   zDb = Tcl_GetString(objv[1]);
7371   if( Tcl_GetCommandInfo(interp, zDb, &cmdInfo) ){
7372     sqlite3* db = ((struct SqliteDb*)cmdInfo.objClientData)->db;
7373     sqlite3DbstatRegister(db);
7374   }
7375   return TCL_OK;
7376 #endif /* SQLITE_OMIT_VIRTUALTABLE */
7377 }
7378 
7379 /*
7380 ** tclcmd:   sqlite3_db_config DB SETTING VALUE
7381 **
7382 ** Invoke sqlite3_db_config() for one of the setting values.
7383 */
7384 static int SQLITE_TCLAPI test_sqlite3_db_config(
7385   void *clientData,
7386   Tcl_Interp *interp,
7387   int objc,
7388   Tcl_Obj *CONST objv[]
7389 ){
7390   static const struct {
7391     const char *zName;
7392     int eVal;
7393   } aSetting[] = {
7394     { "FKEY",            SQLITE_DBCONFIG_ENABLE_FKEY },
7395     { "TRIGGER",         SQLITE_DBCONFIG_ENABLE_TRIGGER },
7396     { "FTS3_TOKENIZER",  SQLITE_DBCONFIG_ENABLE_FTS3_TOKENIZER },
7397     { "LOAD_EXTENSION",  SQLITE_DBCONFIG_ENABLE_LOAD_EXTENSION },
7398     { "NO_CKPT_ON_CLOSE",SQLITE_DBCONFIG_NO_CKPT_ON_CLOSE },
7399     { "QPSG",            SQLITE_DBCONFIG_ENABLE_QPSG },
7400   };
7401   int i;
7402   int v;
7403   const char *zSetting;
7404   sqlite3 *db;
7405 
7406   if( objc!=4 ){
7407     Tcl_WrongNumArgs(interp, 1, objv, "DB SETTING VALUE");
7408     return TCL_ERROR;
7409   }
7410   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
7411   zSetting = Tcl_GetString(objv[2]);
7412   if( sqlite3_strglob("SQLITE_*", zSetting)==0 ) zSetting += 7;
7413   if( sqlite3_strglob("DBCONFIG_*", zSetting)==0 ) zSetting += 9;
7414   if( sqlite3_strglob("ENABLE_*", zSetting)==0 ) zSetting += 7;
7415   for(i=0; i<ArraySize(aSetting); i++){
7416     if( strcmp(zSetting, aSetting[i].zName)==0 ) break;
7417   }
7418   if( i>=ArraySize(aSetting) ){
7419     Tcl_SetObjResult(interp,
7420       Tcl_NewStringObj("unknown sqlite3_db_config setting", -1));
7421     return TCL_ERROR;
7422   }
7423   if( Tcl_GetIntFromObj(interp, objv[3], &v) ) return TCL_ERROR;
7424   sqlite3_db_config(db, aSetting[i].eVal, v, &v);
7425   Tcl_SetObjResult(interp, Tcl_NewIntObj(v));
7426   return TCL_OK;
7427 }
7428 
7429 /*
7430 ** Change the name of the main database schema from "main" to "icecube".
7431 */
7432 static int SQLITE_TCLAPI test_dbconfig_maindbname_icecube(
7433   void * clientData,
7434   Tcl_Interp *interp,
7435   int objc,
7436   Tcl_Obj *CONST objv[]
7437 ){
7438   int rc;
7439   sqlite3 *db;
7440   extern int getDbPointer(Tcl_Interp*, const char*, sqlite3**);
7441   if( objc!=2 ){
7442     Tcl_WrongNumArgs(interp, 1, objv, "DB");
7443     return TCL_ERROR;
7444   }else{
7445     if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
7446     rc = sqlite3_db_config(db, SQLITE_DBCONFIG_MAINDBNAME, "icecube");
7447     Tcl_SetObjResult(interp, Tcl_NewIntObj(rc));
7448     return TCL_OK;
7449   }
7450 }
7451 
7452 /*
7453 ** Usage: sqlite3_mmap_warm DB DBNAME
7454 */
7455 static int SQLITE_TCLAPI test_mmap_warm(
7456   void * clientData,
7457   Tcl_Interp *interp,
7458   int objc,
7459   Tcl_Obj *CONST objv[]
7460 ){
7461   extern int getDbPointer(Tcl_Interp*, const char*, sqlite3**);
7462   extern int sqlite3_mmap_warm(sqlite3 *db, const char *);
7463 
7464   if( objc!=2 && objc!=3 ){
7465     Tcl_WrongNumArgs(interp, 1, objv, "DB ?DBNAME?");
7466     return TCL_ERROR;
7467   }else{
7468     int rc;
7469     sqlite3 *db;
7470     const char *zDb = 0;
7471     if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
7472     if( objc==3 ){
7473       zDb = Tcl_GetString(objv[2]);
7474     }
7475     rc = sqlite3_mmap_warm(db, zDb);
7476     Tcl_SetObjResult(interp, Tcl_NewStringObj(sqlite3ErrName(rc), -1));
7477     return TCL_OK;
7478   }
7479 }
7480 
7481 /*
7482 ** Register commands with the TCL interpreter.
7483 */
7484 int Sqlitetest1_Init(Tcl_Interp *interp){
7485   extern int sqlite3_search_count;
7486   extern int sqlite3_found_count;
7487   extern int sqlite3_interrupt_count;
7488   extern int sqlite3_open_file_count;
7489   extern int sqlite3_sort_count;
7490   extern int sqlite3_current_time;
7491 #if SQLITE_OS_UNIX && defined(__APPLE__) && SQLITE_ENABLE_LOCKING_STYLE
7492   extern int sqlite3_hostid_num;
7493 #endif
7494   extern int sqlite3_max_blobsize;
7495   extern int SQLITE_TCLAPI sqlite3BtreeSharedCacheReport(void*,
7496                                           Tcl_Interp*,int,Tcl_Obj*CONST*);
7497   static int iZero = 0;
7498   static struct {
7499      char *zName;
7500      Tcl_CmdProc *xProc;
7501   } aCmd[] = {
7502      { "db_enter",                      (Tcl_CmdProc*)db_enter               },
7503      { "db_leave",                      (Tcl_CmdProc*)db_leave               },
7504      { "sqlite3_mprintf_int",           (Tcl_CmdProc*)sqlite3_mprintf_int    },
7505      { "sqlite3_mprintf_int64",         (Tcl_CmdProc*)sqlite3_mprintf_int64  },
7506      { "sqlite3_mprintf_long",          (Tcl_CmdProc*)sqlite3_mprintf_long   },
7507      { "sqlite3_mprintf_str",           (Tcl_CmdProc*)sqlite3_mprintf_str    },
7508      { "sqlite3_snprintf_str",          (Tcl_CmdProc*)sqlite3_snprintf_str   },
7509      { "sqlite3_mprintf_stronly",       (Tcl_CmdProc*)sqlite3_mprintf_stronly},
7510      { "sqlite3_mprintf_double",        (Tcl_CmdProc*)sqlite3_mprintf_double },
7511      { "sqlite3_mprintf_scaled",        (Tcl_CmdProc*)sqlite3_mprintf_scaled },
7512      { "sqlite3_mprintf_hexdouble",   (Tcl_CmdProc*)sqlite3_mprintf_hexdouble},
7513      { "sqlite3_mprintf_z_test",        (Tcl_CmdProc*)test_mprintf_z        },
7514      { "sqlite3_mprintf_n_test",        (Tcl_CmdProc*)test_mprintf_n        },
7515      { "sqlite3_snprintf_int",          (Tcl_CmdProc*)test_snprintf_int     },
7516      { "sqlite3_last_insert_rowid",     (Tcl_CmdProc*)test_last_rowid       },
7517      { "sqlite3_exec_printf",           (Tcl_CmdProc*)test_exec_printf      },
7518      { "sqlite3_exec_hex",              (Tcl_CmdProc*)test_exec_hex         },
7519      { "sqlite3_exec",                  (Tcl_CmdProc*)test_exec             },
7520      { "sqlite3_exec_nr",               (Tcl_CmdProc*)test_exec_nr          },
7521 #ifndef SQLITE_OMIT_GET_TABLE
7522      { "sqlite3_get_table_printf",      (Tcl_CmdProc*)test_get_table_printf },
7523 #endif
7524      { "sqlite3_close",                 (Tcl_CmdProc*)sqlite_test_close     },
7525      { "sqlite3_close_v2",              (Tcl_CmdProc*)sqlite_test_close_v2  },
7526      { "sqlite3_create_function",       (Tcl_CmdProc*)test_create_function  },
7527      { "sqlite3_create_aggregate",      (Tcl_CmdProc*)test_create_aggregate },
7528      { "sqlite_register_test_function", (Tcl_CmdProc*)test_register_func    },
7529      { "sqlite_abort",                  (Tcl_CmdProc*)sqlite_abort          },
7530      { "sqlite_bind",                   (Tcl_CmdProc*)test_bind             },
7531      { "breakpoint",                    (Tcl_CmdProc*)test_breakpoint       },
7532      { "sqlite3_key",                   (Tcl_CmdProc*)test_key              },
7533      { "sqlite3_rekey",                 (Tcl_CmdProc*)test_rekey            },
7534      { "sqlite_set_magic",              (Tcl_CmdProc*)sqlite_set_magic      },
7535      { "sqlite3_interrupt",             (Tcl_CmdProc*)test_interrupt        },
7536      { "sqlite_delete_function",        (Tcl_CmdProc*)delete_function       },
7537      { "sqlite_delete_collation",       (Tcl_CmdProc*)delete_collation      },
7538      { "sqlite3_get_autocommit",        (Tcl_CmdProc*)get_autocommit        },
7539      { "sqlite3_busy_timeout",          (Tcl_CmdProc*)test_busy_timeout     },
7540      { "printf",                        (Tcl_CmdProc*)test_printf           },
7541      { "sqlite3IoTrace",              (Tcl_CmdProc*)test_io_trace         },
7542      { "clang_sanitize_address",        (Tcl_CmdProc*)clang_sanitize_address },
7543   };
7544   static struct {
7545      char *zName;
7546      Tcl_ObjCmdProc *xProc;
7547      void *clientData;
7548   } aObjCmd[] = {
7549      { "sqlite3_db_config",             test_sqlite3_db_config, 0 },
7550      { "bad_behavior",                  test_bad_behavior,  (void*)&iZero },
7551      { "register_dbstat_vtab",          test_register_dbstat_vtab  },
7552      { "sqlite3_connection_pointer",    get_sqlite_pointer, 0 },
7553      { "intarray_addr",                 test_intarray_addr, 0 },
7554      { "int64array_addr",               test_int64array_addr, 0 },
7555      { "doublearray_addr",              test_doublearray_addr, 0 },
7556      { "textarray_addr",                test_textarray_addr, 0 },
7557      { "sqlite3_bind_int",              test_bind_int,      0 },
7558      { "sqlite3_bind_zeroblob",         test_bind_zeroblob, 0 },
7559      { "sqlite3_bind_zeroblob64",       test_bind_zeroblob64, 0 },
7560      { "sqlite3_bind_int64",            test_bind_int64,    0 },
7561      { "sqlite3_bind_double",           test_bind_double,   0 },
7562      { "sqlite3_bind_null",             test_bind_null     ,0 },
7563      { "sqlite3_bind_text",             test_bind_text     ,0 },
7564      { "sqlite3_bind_text16",           test_bind_text16   ,0 },
7565      { "sqlite3_bind_blob",             test_bind_blob     ,0 },
7566      { "sqlite3_bind_parameter_count",  test_bind_parameter_count, 0},
7567      { "sqlite3_bind_parameter_name",   test_bind_parameter_name,  0},
7568      { "sqlite3_bind_parameter_index",  test_bind_parameter_index, 0},
7569      { "sqlite3_clear_bindings",        test_clear_bindings, 0},
7570      { "sqlite3_sleep",                 test_sleep,          0},
7571      { "sqlite3_errcode",               test_errcode       ,0 },
7572      { "sqlite3_extended_errcode",      test_ex_errcode    ,0 },
7573      { "sqlite3_errmsg",                test_errmsg        ,0 },
7574      { "sqlite3_errmsg16",              test_errmsg16      ,0 },
7575      { "sqlite3_open",                  test_open          ,0 },
7576      { "sqlite3_open16",                test_open16        ,0 },
7577      { "sqlite3_open_v2",               test_open_v2       ,0 },
7578      { "sqlite3_complete16",            test_complete16    ,0 },
7579      { "sqlite3_normalize",             test_normalize     ,0 },
7580 
7581      { "sqlite3_prepare",               test_prepare       ,0 },
7582      { "sqlite3_prepare16",             test_prepare16     ,0 },
7583      { "sqlite3_prepare_v2",            test_prepare_v2    ,0 },
7584      { "sqlite3_prepare_tkt3134",       test_prepare_tkt3134, 0},
7585      { "sqlite3_prepare16_v2",          test_prepare16_v2  ,0 },
7586      { "sqlite3_finalize",              test_finalize      ,0 },
7587      { "sqlite3_stmt_status",           test_stmt_status   ,0 },
7588      { "sqlite3_reset",                 test_reset         ,0 },
7589      { "sqlite3_expired",               test_expired       ,0 },
7590      { "sqlite3_transfer_bindings",     test_transfer_bind ,0 },
7591      { "sqlite3_changes",               test_changes       ,0 },
7592      { "sqlite3_step",                  test_step          ,0 },
7593      { "sqlite3_sql",                   test_sql           ,0 },
7594      { "sqlite3_expanded_sql",          test_ex_sql        ,0 },
7595      { "sqlite3_next_stmt",             test_next_stmt     ,0 },
7596      { "sqlite3_stmt_readonly",         test_stmt_readonly ,0 },
7597      { "sqlite3_stmt_busy",             test_stmt_busy     ,0 },
7598      { "uses_stmt_journal",             uses_stmt_journal ,0 },
7599 
7600      { "sqlite3_release_memory",        test_release_memory,     0},
7601      { "sqlite3_db_release_memory",     test_db_release_memory,  0},
7602      { "sqlite3_db_cacheflush",         test_db_cacheflush,      0},
7603      { "sqlite3_system_errno",          test_system_errno,       0},
7604      { "sqlite3_db_filename",           test_db_filename,        0},
7605      { "sqlite3_db_readonly",           test_db_readonly,        0},
7606      { "sqlite3_soft_heap_limit",       test_soft_heap_limit,    0},
7607      { "sqlite3_thread_cleanup",        test_thread_cleanup,     0},
7608      { "sqlite3_pager_refcounts",       test_pager_refcounts,    0},
7609 
7610      { "sqlite3_load_extension",        test_load_extension,     0},
7611      { "sqlite3_enable_load_extension", test_enable_load,        0},
7612      { "sqlite3_extended_result_codes", test_extended_result_codes, 0},
7613      { "sqlite3_limit",                 test_limit,                 0},
7614      { "dbconfig_maindbname_icecube",   test_dbconfig_maindbname_icecube },
7615 
7616      { "save_prng_state",               save_prng_state,    0 },
7617      { "restore_prng_state",            restore_prng_state, 0 },
7618      { "reset_prng_state",              reset_prng_state,   0 },
7619      { "database_never_corrupt",        database_never_corrupt, 0},
7620      { "database_may_be_corrupt",       database_may_be_corrupt, 0},
7621      { "optimization_control",          optimization_control,0},
7622 #if SQLITE_OS_WIN
7623      { "lock_win32_file",               win32_file_lock,    0 },
7624      { "exists_win32_path",             win32_exists_path,  0 },
7625      { "find_win32_file",               win32_find_file,    0 },
7626      { "delete_win32_file",             win32_delete_file,  0 },
7627      { "make_win32_dir",                win32_mkdir,        0 },
7628      { "remove_win32_dir",              win32_rmdir,        0 },
7629 #endif
7630      { "tcl_objproc",                   runAsObjProc,       0 },
7631 
7632      /* sqlite3_column_*() API */
7633      { "sqlite3_column_count",          test_column_count  ,0 },
7634      { "sqlite3_data_count",            test_data_count    ,0 },
7635      { "sqlite3_column_type",           test_column_type   ,0 },
7636      { "sqlite3_column_blob",           test_column_blob   ,0 },
7637      { "sqlite3_column_double",         test_column_double ,0 },
7638      { "sqlite3_column_int64",          test_column_int64  ,0 },
7639      { "sqlite3_column_text",   test_stmt_utf8,  (void*)sqlite3_column_text },
7640      { "sqlite3_column_name",   test_stmt_utf8,  (void*)sqlite3_column_name },
7641      { "sqlite3_column_int",    test_stmt_int,   (void*)sqlite3_column_int  },
7642      { "sqlite3_column_bytes",  test_stmt_int,   (void*)sqlite3_column_bytes},
7643 #ifndef SQLITE_OMIT_DECLTYPE
7644      { "sqlite3_column_decltype",test_stmt_utf8,(void*)sqlite3_column_decltype},
7645 #endif
7646 #ifdef SQLITE_ENABLE_COLUMN_METADATA
7647 { "sqlite3_column_database_name",test_stmt_utf8,(void*)sqlite3_column_database_name},
7648 { "sqlite3_column_table_name",test_stmt_utf8,(void*)sqlite3_column_table_name},
7649 { "sqlite3_column_origin_name",test_stmt_utf8,(void*)sqlite3_column_origin_name},
7650 #endif
7651 
7652 #ifndef SQLITE_OMIT_UTF16
7653      { "sqlite3_column_bytes16", test_stmt_int, (void*)sqlite3_column_bytes16 },
7654      { "sqlite3_column_text16",  test_stmt_utf16, (void*)sqlite3_column_text16},
7655      { "sqlite3_column_name16",  test_stmt_utf16, (void*)sqlite3_column_name16},
7656      { "add_alignment_test_collations", add_alignment_test_collations, 0      },
7657 #ifndef SQLITE_OMIT_DECLTYPE
7658      { "sqlite3_column_decltype16",test_stmt_utf16,(void*)sqlite3_column_decltype16},
7659 #endif
7660 #ifdef SQLITE_ENABLE_COLUMN_METADATA
7661 {"sqlite3_column_database_name16",
7662   test_stmt_utf16, (void*)sqlite3_column_database_name16},
7663 {"sqlite3_column_table_name16", test_stmt_utf16, (void*)sqlite3_column_table_name16},
7664 {"sqlite3_column_origin_name16", test_stmt_utf16, (void*)sqlite3_column_origin_name16},
7665 #endif
7666 #endif
7667      { "sqlite3_create_collation_v2", test_create_collation_v2, 0 },
7668      { "sqlite3_global_recover",     test_global_recover, 0   },
7669      { "working_64bit_int",          working_64bit_int,   0   },
7670      { "vfs_unlink_test",            vfs_unlink_test,     0   },
7671      { "vfs_initfail_test",          vfs_initfail_test,   0   },
7672      { "vfs_unregister_all",         vfs_unregister_all,  0   },
7673      { "vfs_reregister_all",         vfs_reregister_all,  0   },
7674      { "file_control_test",          file_control_test,   0   },
7675      { "file_control_lasterrno_test", file_control_lasterrno_test,  0   },
7676      { "file_control_lockproxy_test", file_control_lockproxy_test,  0   },
7677      { "file_control_chunksize_test", file_control_chunksize_test,  0   },
7678      { "file_control_sizehint_test",  file_control_sizehint_test,   0   },
7679 #if SQLITE_OS_WIN
7680      { "file_control_win32_av_retry", file_control_win32_av_retry,  0   },
7681      { "file_control_win32_get_handle", file_control_win32_get_handle, 0  },
7682      { "file_control_win32_set_handle", file_control_win32_set_handle, 0  },
7683 #endif
7684      { "file_control_persist_wal",    file_control_persist_wal,     0   },
7685      { "file_control_powersafe_overwrite",file_control_powersafe_overwrite,0},
7686      { "file_control_vfsname",        file_control_vfsname,         0   },
7687      { "file_control_tempfilename",   file_control_tempfilename,    0   },
7688      { "sqlite3_vfs_list",           vfs_list,     0   },
7689      { "sqlite3_create_function_v2", test_create_function_v2, 0 },
7690 
7691      /* Functions from os.h */
7692 #ifndef SQLITE_OMIT_UTF16
7693      { "add_test_collate",        test_collate, 0            },
7694      { "add_test_collate_needed", test_collate_needed, 0     },
7695      { "add_test_function",       test_function, 0           },
7696      { "add_test_utf16bin_collate",    test_utf16bin_collate, 0        },
7697 #endif
7698      { "sqlite3_test_errstr",     test_errstr, 0             },
7699      { "tcl_variable_type",       tcl_variable_type, 0       },
7700 #ifndef SQLITE_OMIT_SHARED_CACHE
7701      { "sqlite3_enable_shared_cache", test_enable_shared, 0  },
7702      { "sqlite3_shared_cache_report", sqlite3BtreeSharedCacheReport, 0},
7703 #endif
7704      { "sqlite3_libversion_number", test_libversion_number, 0  },
7705      { "sqlite3_table_column_metadata", test_table_column_metadata, 0  },
7706 #ifndef SQLITE_OMIT_INCRBLOB
7707      { "sqlite3_blob_reopen", test_blob_reopen, 0  },
7708 #endif
7709      { "pcache_stats",       test_pcache_stats, 0  },
7710 #ifdef SQLITE_ENABLE_UNLOCK_NOTIFY
7711      { "sqlite3_unlock_notify", test_unlock_notify, 0  },
7712 #endif
7713      { "sqlite3_wal_checkpoint",   test_wal_checkpoint, 0  },
7714      { "sqlite3_wal_checkpoint_v2",test_wal_checkpoint_v2, 0  },
7715      { "sqlite3_wal_autocheckpoint",test_wal_autocheckpoint, 0  },
7716      { "test_sqlite3_log",         test_sqlite3_log, 0  },
7717 #ifndef SQLITE_OMIT_EXPLAIN
7718      { "print_explain_query_plan", test_print_eqp, 0  },
7719 #endif
7720      { "sqlite3_test_control", test_test_control },
7721 #if SQLITE_OS_UNIX
7722      { "getrusage", test_getrusage },
7723 #endif
7724      { "load_static_extension", tclLoadStaticExtensionCmd },
7725      { "sorter_test_fakeheap", sorter_test_fakeheap },
7726      { "sorter_test_sort4_helper", sorter_test_sort4_helper },
7727 #ifdef SQLITE_USER_AUTHENTICATION
7728      { "sqlite3_user_authenticate", test_user_authenticate, 0 },
7729      { "sqlite3_user_add",          test_user_add,          0 },
7730      { "sqlite3_user_change",       test_user_change,       0 },
7731      { "sqlite3_user_delete",       test_user_delete,       0 },
7732 #endif
7733 #ifdef SQLITE_ENABLE_STMT_SCANSTATUS
7734      { "sqlite3_stmt_scanstatus",       test_stmt_scanstatus,   0 },
7735      { "sqlite3_stmt_scanstatus_reset", test_stmt_scanstatus_reset,   0 },
7736 #endif
7737 #ifdef SQLITE_ENABLE_SQLLOG
7738      { "sqlite3_config_sqllog",         test_config_sqllog,   0 },
7739 #endif
7740      { "vfs_current_time_int64",           vfsCurrentTimeInt64,   0 },
7741 #ifdef SQLITE_ENABLE_SNAPSHOT
7742      { "sqlite3_snapshot_get", test_snapshot_get, 0 },
7743      { "sqlite3_snapshot_open", test_snapshot_open, 0 },
7744      { "sqlite3_snapshot_free", test_snapshot_free, 0 },
7745      { "sqlite3_snapshot_cmp", test_snapshot_cmp, 0 },
7746      { "sqlite3_snapshot_recover", test_snapshot_recover, 0 },
7747      { "sqlite3_snapshot_get_blob", test_snapshot_get_blob, 0 },
7748      { "sqlite3_snapshot_open_blob", test_snapshot_open_blob, 0 },
7749      { "sqlite3_snapshot_cmp_blob", test_snapshot_cmp_blob, 0 },
7750 #endif
7751      { "sqlite3_delete_database", test_delete_database,    0 },
7752      { "atomic_batch_write",      test_atomic_batch_write, 0 },
7753      { "sqlite3_mmap_warm",       test_mmap_warm,          0 },
7754   };
7755   static int bitmask_size = sizeof(Bitmask)*8;
7756   static int longdouble_size = sizeof(LONGDOUBLE_TYPE);
7757   int i;
7758   extern int sqlite3_sync_count, sqlite3_fullsync_count;
7759   extern int sqlite3_opentemp_count;
7760   extern int sqlite3_like_count;
7761   extern int sqlite3_xferopt_count;
7762   extern int sqlite3_pager_readdb_count;
7763   extern int sqlite3_pager_writedb_count;
7764   extern int sqlite3_pager_writej_count;
7765 #if SQLITE_OS_WIN
7766   extern LONG volatile sqlite3_os_type;
7767 #endif
7768 #ifdef SQLITE_DEBUG
7769   extern int sqlite3WhereTrace;
7770   extern int sqlite3OSTrace;
7771   extern int sqlite3WalTrace;
7772 #endif
7773 #ifdef SQLITE_TEST
7774 #ifdef SQLITE_ENABLE_FTS3
7775   extern int sqlite3_fts3_enable_parentheses;
7776 #endif
7777 #endif
7778 
7779   for(i=0; i<sizeof(aCmd)/sizeof(aCmd[0]); i++){
7780     Tcl_CreateCommand(interp, aCmd[i].zName, aCmd[i].xProc, 0, 0);
7781   }
7782   for(i=0; i<sizeof(aObjCmd)/sizeof(aObjCmd[0]); i++){
7783     Tcl_CreateObjCommand(interp, aObjCmd[i].zName,
7784         aObjCmd[i].xProc, aObjCmd[i].clientData, 0);
7785   }
7786   Tcl_LinkVar(interp, "sqlite_search_count",
7787       (char*)&sqlite3_search_count, TCL_LINK_INT);
7788   Tcl_LinkVar(interp, "sqlite_found_count",
7789       (char*)&sqlite3_found_count, TCL_LINK_INT);
7790   Tcl_LinkVar(interp, "sqlite_sort_count",
7791       (char*)&sqlite3_sort_count, TCL_LINK_INT);
7792   Tcl_LinkVar(interp, "sqlite3_max_blobsize",
7793       (char*)&sqlite3_max_blobsize, TCL_LINK_INT);
7794   Tcl_LinkVar(interp, "sqlite_like_count",
7795       (char*)&sqlite3_like_count, TCL_LINK_INT);
7796   Tcl_LinkVar(interp, "sqlite_interrupt_count",
7797       (char*)&sqlite3_interrupt_count, TCL_LINK_INT);
7798   Tcl_LinkVar(interp, "sqlite_open_file_count",
7799       (char*)&sqlite3_open_file_count, TCL_LINK_INT);
7800   Tcl_LinkVar(interp, "sqlite_current_time",
7801       (char*)&sqlite3_current_time, TCL_LINK_INT);
7802 #if SQLITE_OS_UNIX && defined(__APPLE__) && SQLITE_ENABLE_LOCKING_STYLE
7803   Tcl_LinkVar(interp, "sqlite_hostid_num",
7804       (char*)&sqlite3_hostid_num, TCL_LINK_INT);
7805 #endif
7806   Tcl_LinkVar(interp, "sqlite3_xferopt_count",
7807       (char*)&sqlite3_xferopt_count, TCL_LINK_INT);
7808   Tcl_LinkVar(interp, "sqlite3_pager_readdb_count",
7809       (char*)&sqlite3_pager_readdb_count, TCL_LINK_INT);
7810   Tcl_LinkVar(interp, "sqlite3_pager_writedb_count",
7811       (char*)&sqlite3_pager_writedb_count, TCL_LINK_INT);
7812   Tcl_LinkVar(interp, "sqlite3_pager_writej_count",
7813       (char*)&sqlite3_pager_writej_count, TCL_LINK_INT);
7814 #ifndef SQLITE_OMIT_UTF16
7815   Tcl_LinkVar(interp, "unaligned_string_counter",
7816       (char*)&unaligned_string_counter, TCL_LINK_INT);
7817 #endif
7818 #ifndef SQLITE_OMIT_UTF16
7819   Tcl_LinkVar(interp, "sqlite_last_needed_collation",
7820       (char*)&pzNeededCollation, TCL_LINK_STRING|TCL_LINK_READ_ONLY);
7821 #endif
7822 #if SQLITE_OS_WIN
7823   Tcl_LinkVar(interp, "sqlite_os_type",
7824       (char*)&sqlite3_os_type, TCL_LINK_LONG);
7825 #endif
7826 #ifdef SQLITE_TEST
7827   {
7828     static const char *query_plan = "*** OBSOLETE VARIABLE ***";
7829     Tcl_LinkVar(interp, "sqlite_query_plan",
7830        (char*)&query_plan, TCL_LINK_STRING|TCL_LINK_READ_ONLY);
7831   }
7832 #endif
7833 #ifdef SQLITE_DEBUG
7834   Tcl_LinkVar(interp, "sqlite_where_trace",
7835       (char*)&sqlite3WhereTrace, TCL_LINK_INT);
7836   Tcl_LinkVar(interp, "sqlite_os_trace",
7837       (char*)&sqlite3OSTrace, TCL_LINK_INT);
7838 #ifndef SQLITE_OMIT_WAL
7839   Tcl_LinkVar(interp, "sqlite_wal_trace",
7840       (char*)&sqlite3WalTrace, TCL_LINK_INT);
7841 #endif
7842 #endif
7843 #ifndef SQLITE_OMIT_DISKIO
7844   Tcl_LinkVar(interp, "sqlite_opentemp_count",
7845       (char*)&sqlite3_opentemp_count, TCL_LINK_INT);
7846 #endif
7847   Tcl_LinkVar(interp, "sqlite_static_bind_value",
7848       (char*)&sqlite_static_bind_value, TCL_LINK_STRING);
7849   Tcl_LinkVar(interp, "sqlite_static_bind_nbyte",
7850       (char*)&sqlite_static_bind_nbyte, TCL_LINK_INT);
7851   Tcl_LinkVar(interp, "sqlite_temp_directory",
7852       (char*)&sqlite3_temp_directory, TCL_LINK_STRING);
7853   Tcl_LinkVar(interp, "sqlite_data_directory",
7854       (char*)&sqlite3_data_directory, TCL_LINK_STRING);
7855   Tcl_LinkVar(interp, "bitmask_size",
7856       (char*)&bitmask_size, TCL_LINK_INT|TCL_LINK_READ_ONLY);
7857   Tcl_LinkVar(interp, "longdouble_size",
7858       (char*)&longdouble_size, TCL_LINK_INT|TCL_LINK_READ_ONLY);
7859   Tcl_LinkVar(interp, "sqlite_sync_count",
7860       (char*)&sqlite3_sync_count, TCL_LINK_INT);
7861   Tcl_LinkVar(interp, "sqlite_fullsync_count",
7862       (char*)&sqlite3_fullsync_count, TCL_LINK_INT);
7863 #if defined(SQLITE_ENABLE_FTS3) && defined(SQLITE_TEST)
7864   Tcl_LinkVar(interp, "sqlite_fts3_enable_parentheses",
7865       (char*)&sqlite3_fts3_enable_parentheses, TCL_LINK_INT);
7866 #endif
7867   return TCL_OK;
7868 }
7869