From: foobar <sniper@php.net>
Date: Sun, 16 Mar 2003 00:37:01 +0000 (+0000)
Subject: - Fixed bug #22709 (crash within interbase when database unavailable)
X-Git-Tag: RELEASE_0_5~456
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=d4a72592a4cf85df4205c9e0e4474bcbad4f56fa;p=php

- Fixed bug #22709 (crash within interbase when database unavailable)
---

diff --git a/ext/interbase/interbase.c b/ext/interbase/interbase.c
index e0dfb652d9..e9036178dd 100644
--- a/ext/interbase/interbase.c
+++ b/ext/interbase/interbase.c
@@ -1578,6 +1578,11 @@ static int _php_ibase_def_trans(ibase_db_link * ib_link, int trans_n)
 {
 	TSRMLS_FETCH();
 	
+	if (ib_link == NULL) {
+		php_error_docref(NULL TSRMLS_CC, E_WARNING, "Invalid database link");
+		return FAILURE;
+	}
+
 	if (trans_n == 0 && ib_link->trans[0] == NULL) { 
 		if (isc_start_transaction(IB_STATUS, &ib_link->trans[0], 1, &ib_link->link, 0, NULL)) {
 			_php_ibase_error(TSRMLS_C);
@@ -1615,6 +1620,11 @@ static void _php_ibase_trans_end(INTERNAL_FUNCTION_PARAMETERS, int commit)
 			break;
 	}
 
+	if (ib_link == NULL) {
+		php_error_docref(NULL TSRMLS_CC, E_WARNING, "Invalid database link");
+		RETURN_FALSE;
+	}
+
 	if (ib_link->trans[trans_n] == NULL) {
 		php_error_docref(NULL TSRMLS_CC, E_WARNING, "Trying to commit or rollback an already handled transaction");
 		RETURN_FALSE;