From: Wez Furlong <wez@php.net>
Date: Wed, 27 Jul 2005 14:18:01 +0000 (+0000)
Subject: add sanity checks
X-Git-Tag: RELEASE_2_0_0~99
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=bf85bf515ea57f0b6e6fec98025029d1fb73405c;p=php

add sanity checks
---

diff --git a/ext/pdo/pdo_stmt.c b/ext/pdo/pdo_stmt.c
index e3b517b3ef..4c81909897 100755
--- a/ext/pdo/pdo_stmt.c
+++ b/ext/pdo/pdo_stmt.c
@@ -1985,9 +1985,13 @@ static void free_statement(pdo_stmt_t *stmt TSRMLS_DC)
 		struct pdo_column_data *cols = stmt->columns;
 
 		for (i = 0; i < stmt->column_count; i++) {
-			efree(cols[i].name);
+			if (cols[i].name) {
+				efree(cols[i].name);
+				cols[i].name = NULL;
+			}
 		}
 		efree(stmt->columns);
+		stmt->columns = NULL;
 	}