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Fix some places where a malloc() failure would lead to a segfault. (CVS 580)

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FossilOrigin-Name: 01ad352c3c82a86d9c94010cbc85d098b8fbc08a
This commit is contained in:
drh
2002-05-23 02:09:03 +00:00
parent 1873cd508a
commit e4697f5e90
7 changed files with 77 additions and 33 deletions
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4
src/expr.c
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@@ -12,7 +12,7 @@
** This file contains routines used for analyzing expressions and
** for generating VDBE code that evaluates expressions in SQLite.
**
** $Id: expr.c,v 1.61 2002/05/21 13:43:04 drh Exp $
** $Id: expr.c,v 1.62 2002/05/23 02:09:04 drh Exp $
*/
#include "sqliteInt.h"
@@ -186,6 +186,7 @@ ExprList *sqliteExprListDup(ExprList *p){
if( pNew==0 ) return 0;
pNew->nExpr = p->nExpr;
pNew->a = sqliteMalloc( p->nExpr*sizeof(p->a[0]) );
if( pNew->a==0 ) return 0;
for(i=0; i<p->nExpr; i++){
pNew->a[i].pExpr = sqliteExprDup(p->a[i].pExpr);
pNew->a[i].zName = sqliteStrDup(p->a[i].zName);
@@ -203,6 +204,7 @@ IdList *sqliteIdListDup(IdList *p){
if( pNew==0 ) return 0;
pNew->nId = p->nId;
pNew->a = sqliteMalloc( p->nId*sizeof(p->a[0]) );
if( pNew->a==0 ) return 0;
for(i=0; i<p->nId; i++){
pNew->a[i].zName = sqliteStrDup(p->a[i].zName);
pNew->a[i].zAlias = sqliteStrDup(p->a[i].zAlias);