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Added some asserts and a check for a null pointer dereference. (CVS 6337)

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FossilOrigin-Name: 6b0cabd017ed25530b2d918d2c069fcbdd60a3f6
This commit is contained in:
shane
2009-03-05 04:23:47 +00:00
parent be21779385
commit e34c647ed0
4 changed files with 13 additions and 12 deletions
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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 1.19 2009/03/02 01:22:40 drh Exp $
** $Id: resolve.c,v 1.20 2009/03/05 04:23:47 shane Exp $
*/
#include "sqliteInt.h"
#include <stdlib.h>
@ -130,6 +130,7 @@ static int lookupName(
NameContext *pTopNC = pNC; /* First namecontext in the list */
Schema *pSchema = 0; /* Schema of the expression */
assert( pNC ); /* the name context cannot be NULL. */
assert( pColumnToken && pColumnToken->z ); /* The Z in X.Y.Z cannot be NULL */
/* Dequote and zero-terminate the names */