From: Stanislav Malyshev <stas@php.net>
Date: Mon, 21 Aug 2000 14:11:19 +0000 (+0000)
Subject: Fix crash in one-argument imagecolortransparent
X-Git-Tag: php-4.0.2RC1~5
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=4bed072f118db9a8507921735a91e6fd575af6f0;p=php

Fix crash in one-argument imagecolortransparent
---

diff --git a/ext/gd/gd.c b/ext/gd/gd.c
index 70f06af445..582e6a28c0 100644
--- a/ext/gd/gd.c
+++ b/ext/gd/gd.c
@@ -1414,7 +1414,7 @@ PHP_FUNCTION(imagecolortransparent)
 
 	ZEND_FETCH_RESOURCE(im, gdImagePtr, IM, -1, "Image", GDG(le_gd));
 
-	if ((*COL) != NULL) {
+	if (COL != NULL && (*COL) != NULL) {
 		col = (*COL)->value.lval;
 		gdImageColorTransparent(im,col);
 	}