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Overview
| Comment: | Make sure large negative arguments to PRAGMA cache_size do not cause 32-bit signed integer overflow. Also correct a requirements mark. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: |
17c30634a71051158f8d37fd51b3c2a1 |
| User & Date: | drh 2012-01-02 15:45:12 |
Context
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2012-01-02
| ||
| 16:38 | Remove an incorrect assert() in btree.c. (check-in: c1691d99 user: drh tags: trunk) | |
| 15:45 | Make sure large negative arguments to PRAGMA cache_size do not cause 32-bit signed integer overflow. Also correct a requirements mark. (check-in: 17c30634 user: drh tags: trunk) | |
| 14:50 | Have SQLITE_FCNTL_SYNC_OMITTED use the normal method of returning an error code. (check-in: fd3822f1 user: dan tags: trunk) | |
Changes
Changes to src/main.c.
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const char *sqlite3_sourceid(void){ return SQLITE_SOURCE_ID; }
/* IMPLEMENTATION-OF: R-35210-63508 The sqlite3_libversion_number() function
** returns an integer equal to SQLITE_VERSION_NUMBER.
*/
int sqlite3_libversion_number(void){ return SQLITE_VERSION_NUMBER; }
/* IMPLEMENTATION-OF: R-54823-41343 The sqlite3_threadsafe() function returns
** zero if and only if SQLite was compiled with mutexing code omitted due to
** the SQLITE_THREADSAFE compile-time option being set to 0.
*/
int sqlite3_threadsafe(void){ return SQLITE_THREADSAFE; }
#if !defined(SQLITE_OMIT_TRACE) && defined(SQLITE_ENABLE_IOTRACE)
/*
|
| |
45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 |
const char *sqlite3_sourceid(void){ return SQLITE_SOURCE_ID; }
/* IMPLEMENTATION-OF: R-35210-63508 The sqlite3_libversion_number() function
** returns an integer equal to SQLITE_VERSION_NUMBER.
*/
int sqlite3_libversion_number(void){ return SQLITE_VERSION_NUMBER; }
/* IMPLEMENTATION-OF: R-20790-14025 The sqlite3_threadsafe() function returns
** zero if and only if SQLite was compiled with mutexing code omitted due to
** the SQLITE_THREADSAFE compile-time option being set to 0.
*/
int sqlite3_threadsafe(void){ return SQLITE_THREADSAFE; }
#if !defined(SQLITE_OMIT_TRACE) && defined(SQLITE_ENABLE_IOTRACE)
/*
|
Changes to src/pcache.c.
201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 |
/*
** Compute the number of pages of cache requested.
*/
static int numberOfCachePages(PCache *p){
if( p->szCache>=0 ){
return p->szCache;
}else{
return (-1024*p->szCache)/(p->szPage+p->szExtra);
}
}
/*
** Try to obtain a page from the cache.
*/
int sqlite3PcacheFetch(
|
| |
201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 |
/*
** Compute the number of pages of cache requested.
*/
static int numberOfCachePages(PCache *p){
if( p->szCache>=0 ){
return p->szCache;
}else{
return (int)((-1024*(i64)p->szCache)/(p->szPage+p->szExtra));
}
}
/*
** Try to obtain a page from the cache.
*/
int sqlite3PcacheFetch(
|