From: Rasmus Lerdorf <rasmus@php.net>
Date: Mon, 24 May 2010 23:52:11 +0000 (+0000)
Subject: Check for -1 as well here
X-Git-Tag: php-5.3.3RC1~139
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=5583cd237f55b17dcf5e81009a489661e43a21b8;p=php

Check for -1 as well here
---

diff --git a/ext/gd/libgd/gd_png.c b/ext/gd/libgd/gd_png.c
index 1af49308c5..49f7cb0777 100644
--- a/ext/gd/libgd/gd_png.c
+++ b/ext/gd/libgd/gd_png.c
@@ -515,8 +515,8 @@ void gdImagePngCtxEx (gdImagePtr im, gdIOCtx * outfile, int level, int basefilte
 	/*  png_set_filter(png_ptr, 0, PNG_FILTER_NONE);  */
 
 	/* 2.0.12: this is finally a parameter */
-	if (level < 0 || level > 9) {
-		php_gd_error("gd-png error: compression level must be between 0 and 9");
+	if (level != -1 && (level < 0 || level > 9)) {
+		php_gd_error("gd-png error: compression level must be 0 through 9");
 		return;
 	}
 	png_set_compression_level(png_ptr, level);