Fix an uninitialized variable in the Prev and Next opcodes. (CVS 4873)

FossilOrigin-Name: fcf3d0a3d5d3a71155ab0aa5f533da72063d54f0

1 files changed, 3 insertions, 5 deletions

diff --git a/src/vdbe.c b/src/vdbe.c
index c5bbf45bd..715a50d62 100644
--- a/src/vdbe.c
+++ b/src/vdbe.c
@@ -43,7 +43,7 @@
 ** in this file for details.  If in doubt, do not deviate from existing
 ** commenting and indentation practices when changing or adding code.
 **
-** $Id: vdbe.c,v 1.710 2008/03/17 16:54:02 drh Exp $
+** $Id: vdbe.c,v 1.711 2008/03/17 17:18:38 drh Exp $
 */
 #include "sqliteInt.h"
 #include <ctype.h>
@@ -3575,7 +3575,6 @@ case OP_Prev:          /* jump */
 case OP_Next: {        /* jump */
   Cursor *pC;
   BtCursor *pCrsr;
-    int res;
 
   CHECK_FOR_INTERRUPT;
   assert( pOp->p1>=0 && pOp->p1<p->nCursor );
@@ -3585,9 +3584,8 @@ case OP_Next: {        /* jump */
   }
   pCrsr = pC->pCursor;
   assert( pCrsr );
-  if( pC->nullRow ){
-    res = 1;
-  }else{
+  if( pC->nullRow==0 ){
+    int res = 1;
     assert( pC->deferredMoveto==0 );
     rc = pOp->opcode==OP_Next ? sqlite3BtreeNext(pCrsr, &res) :
                                 sqlite3BtreePrevious(pCrsr, &res);