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Fix a bug on systems where malloc(0) return NULL.

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Add code to detect this bug even on systems were it used not to
occur. (CVS 190)

FossilOrigin-Name: bda83e2b75843b9a078c2f4e64fcd4d2145a716b
This commit is contained in:
drh
2001-03-14 12:35:57 +00:00
parent 65cd7c02e7
commit b072950e24
6 changed files with 26 additions and 15 deletions
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3
src/util.c
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@@ -26,7 +26,7 @@
** This file contains functions for allocating memory, comparing
** strings, and stuff like that.
**
** $Id: util.c,v 1.17 2000/12/10 18:23:51 drh Exp $
** $Id: util.c,v 1.18 2001/03/14 12:35:57 drh Exp $
*/
#include "sqliteInt.h"
#include <stdarg.h>
@@ -60,6 +60,7 @@ void *sqliteMalloc_(int n, char *zFile, int line){
sqlite_iMallocFail--;
if( sqlite_iMallocFail==0 ) return 0;
}
if( n==0 ) return 0;
k = (n+sizeof(int)-1)/sizeof(int);
pi = malloc( (3+k)*sizeof(int));
if( pi==0 ) return 0;