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Do not references zSql(-1) if nBytes==0 in sqlite3_prepare().

Ticket #3134. (CVS 5155)

FossilOrigin-Name: 2d2c53e5058412a5f484ac2ca5bcef596aed2a7b
This commit is contained in:
drh
2008-05-23 14:32:18 +00:00
parent 131c8bc0c2
commit d2d88bbdec
3 changed files with 10 additions and 10 deletions

View File

@@ -13,7 +13,7 @@
** interface, and routines that contribute to loading the database schema
** from disk.
**
** $Id: prepare.c,v 1.84 2008/05/22 13:56:17 danielk1977 Exp $
** $Id: prepare.c,v 1.85 2008/05/23 14:32:19 drh Exp $
*/
#include "sqliteInt.h"
#include <ctype.h>
@@ -552,7 +552,7 @@ static int sqlite3Prepare(
memset(&sParse, 0, sizeof(sParse));
sParse.db = db;
if( nBytes>=0 && zSql[nBytes-1]!=0 ){
if( nBytes>=0 && (nBytes==0 || zSql[nBytes-1]!=0) ){
char *zSqlCopy;
int mxLen = db->aLimit[SQLITE_LIMIT_SQL_LENGTH];
if( nBytes>mxLen ){