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Add various requirements evidence marks for sqlite3_config() options.

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FossilOrigin-Name: d423349d2cd8bc7e04f3d90ca7bab11e1ad86e25
This commit is contained in:
drh
2014-11-04 17:23:24 +00:00
parent cbd55b0362
commit 4d9f188f00
5 changed files with 38 additions and 15 deletions
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25
src/main.c
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@@ -523,11 +523,19 @@ int sqlite3_config(int op, ...){
** sqlite3_config(SQLITE_CONFIG_URI,0) configuration calls.
*/
case SQLITE_CONFIG_URI: {
/* EVIDENCE-OF: R-25451-61125 The SQLITE_CONFIG_URI option takes a single
** argument of type int. If non-zero, then URI handling is globally
** enabled. If the parameter is zero, then URI handling is globally
** disabled. */
sqlite3GlobalConfig.bOpenUri = va_arg(ap, int);
break;
}
case SQLITE_CONFIG_COVERING_INDEX_SCAN: {
/* EVIDENCE-OF: R-36592-02772 The SQLITE_CONFIG_COVERING_INDEX_SCAN
** option takes a single integer argument which is interpreted as a
** boolean in order to enable or disable the use of covering indices for
** full table scans in the query optimizer. */
sqlite3GlobalConfig.bUseCis = va_arg(ap, int);
break;
}
@@ -542,20 +550,27 @@ int sqlite3_config(int op, ...){
#endif
case SQLITE_CONFIG_MMAP_SIZE: {
/* EVIDENCE-OF: R-58063-38258 SQLITE_CONFIG_MMAP_SIZE takes two 64-bit
** integer (sqlite3_int64) values that are the default mmap size limit
** (the default setting for PRAGMA mmap_size) and the maximum allowed
** mmap size limit. */
sqlite3_int64 szMmap = va_arg(ap, sqlite3_int64);
sqlite3_int64 mxMmap = va_arg(ap, sqlite3_int64);
if( mxMmap<0 || mxMmap>SQLITE_MAX_MMAP_SIZE ){
mxMmap = SQLITE_MAX_MMAP_SIZE;
}
sqlite3GlobalConfig.mxMmap = mxMmap;
/* EVIDENCE-OF: R-53367-43190 If either argument to this option is
** negative, then that argument is changed to its compile-time default. */
if( mxMmap<0 || mxMmap>SQLITE_MAX_MMAP_SIZE ) mxMmap = SQLITE_MAX_MMAP_SIZE;
if( szMmap<0 ) szMmap = SQLITE_DEFAULT_MMAP_SIZE;
if( szMmap>mxMmap) szMmap = mxMmap;
sqlite3GlobalConfig.mxMmap = mxMmap;
sqlite3GlobalConfig.szMmap = szMmap;
break;
}
#if SQLITE_OS_WIN && defined(SQLITE_WIN32_MALLOC)
#if SQLITE_OS_WIN && defined(SQLITE_WIN32_MALLOC) /* IMP: R-04780-55815 */
case SQLITE_CONFIG_WIN32_HEAPSIZE: {
/* EVIDENCE-OF: R-34926-03360 SQLITE_CONFIG_WIN32_HEAPSIZE takes a 32-bit
** unsigned integer value that specifies the maximum size of the created
** heap. */
sqlite3GlobalConfig.nHeap = va_arg(ap, int);
break;
}