database/sqlite
1
0
Fork 0
mirror of https://github.com/sqlite/sqlite.git synced 2025-08-05 15:55:57 +03:00
Code Activity

Fix segfaults that can occur if a malloc failure happens just before

Browse Source 
a built-in function calls sqlite3_value_text(). (CVS 3874)

FossilOrigin-Name: 9cb0ed6ee9827bc6884a0195044d5b6ad0de698e
This commit is contained in:
drh
2007-04-25 18:23:52 +00:00
parent 0b3d55d4f9
commit 7a521cfb79
6 changed files with 214 additions and 42 deletions
Download Patch File Download Diff File Expand all files Collapse all files

13
src/date.c
View File

@@ -16,7 +16,7 @@
** sqlite3RegisterDateTimeFunctions() found at the bottom of the file.
** All other code has file scope.
**
** $Id: date.c,v 1.62 2007/04/06 02:32:34 drh Exp $
** $Id: date.c,v 1.63 2007/04/25 18:23:53 drh Exp $
**
** NOTES:
**
@@ -655,12 +655,15 @@ static int parseModifier(const char *zMod, DateTime *p){
*/
static int isDate(int argc, sqlite3_value **argv, DateTime *p){
int i;
const unsigned char *z;
if( argc==0 ) return 1;
if( SQLITE_NULL==sqlite3_value_type(argv[0]) ||
parseDateOrTime((char*)sqlite3_value_text(argv[0]), p) ) return 1;
if( (z = sqlite3_value_text(argv[0]))==0 || parseDateOrTime((char*)z, p) ){
return 1;
}
for(i=1; i<argc; i++){
if( SQLITE_NULL==sqlite3_value_type(argv[i]) ||
parseModifier((char*)sqlite3_value_text(argv[i]), p) ) return 1;
if( (z = sqlite3_value_text(argv[i]))==0 || parseModifier((char*)z, p) ){
return 1;
}
}
return 0;
}