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authordrh <drh@noemail.net>2008-05-23 14:32:18 +0000
committerdrh <drh@noemail.net>2008-05-23 14:32:18 +0000
commitd2d88bbdec3b58d0657b1e1b2cbfdb9b0d62d46e (patch)
tree62ec64d45dee535ff27303426be22a3ffc4cf52e /src
parent131c8bc0c25420918fc768023e0bf52c09a8db73 (diff)
downloadsqlite-d2d88bbdec3b58d0657b1e1b2cbfdb9b0d62d46e.tar.gz
sqlite-d2d88bbdec3b58d0657b1e1b2cbfdb9b0d62d46e.zip
Do not references zSql(-1) if nBytes==0 in sqlite3_prepare().
Ticket #3134. (CVS 5155) FossilOrigin-Name: 2d2c53e5058412a5f484ac2ca5bcef596aed2a7b
Diffstat (limited to 'src')
-rw-r--r--src/prepare.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/src/prepare.c b/src/prepare.c
index 6a72383c1..ab541ecba 100644
--- a/src/prepare.c
+++ b/src/prepare.c
@@ -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 ){