From: Felipe Pena <felipe@php.net>
Date: Fri, 10 Dec 2010 17:50:26 +0000 (+0000)
Subject: - Fixed bug #53517 (segfault in pgsql_stmt_execute() when postgres is down)
X-Git-Tag: php-5.4.0alpha1~191^2~535
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=3c8bc996dfebb72ea9e30d9ea1904724d849f58b;p=php

- Fixed bug #53517 (segfault in pgsql_stmt_execute() when postgres is down)
  patch by: gyp at balabit dot hu
---

diff --git a/ext/pdo_pgsql/pgsql_statement.c b/ext/pdo_pgsql/pgsql_statement.c
index b0829452f6..6380acbfc1 100644
--- a/ext/pdo_pgsql/pgsql_statement.c
+++ b/ext/pdo_pgsql/pgsql_statement.c
@@ -184,7 +184,7 @@ stmt_retry:
 					 * chance to DEALLOCATE the prepared statements it has created. so, if we hit a 42P05 we 
 					 * deallocate it and retry ONCE (thies 2005.12.15)
 					 */
-					if (!strcmp(sqlstate, "42P05")) {
+					if (sqlstate && !strcmp(sqlstate, "42P05")) {
 						char buf[100]; /* stmt_name == "pdo_crsr_%08x" */
 						PGresult *res;
 						snprintf(buf, sizeof(buf), "DEALLOCATE %s", S->stmt_name);