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Make sure the left-shift operator never overflows. (CVS 6605)

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FossilOrigin-Name: 300da30178c46ab9f2ceb0c3e3ee3eac73d5d8e1
This commit is contained in:
drh
2009-05-05 15:46:43 +00:00
parent e289d6069a
commit 3500ed6650
5 changed files with 21 additions and 16 deletions
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8
src/resolve.c
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@ -14,7 +14,7 @@
** resolve all identifiers by associating them with a particular
** table and column.
**
** $Id: resolve.c,v 1.21 2009/05/01 21:13:37 drh Exp $
** $Id: resolve.c,v 1.22 2009/05/05 15:46:43 drh Exp $
*/
#include "sqliteInt.h"
#include <stdlib.h>
@ -248,7 +248,11 @@ static int lookupName(
if( iCol>=0 ){
testcase( iCol==31 );
testcase( iCol==32 );
*piColMask |= ((u32)1<<iCol) | (iCol>=32?0xffffffff:0);
if( iCol>=32 ){
*piColMask = 0xffffffff;
}else{
*piColMask |= ((u32)1)<<iCol;
}
}
break;
}