From: Felipe Pena <felipe@php.net>
Date: Tue, 20 Jan 2009 15:43:06 +0000 (+0000)
Subject: - MFH: Fixed bug #47152 (gzseek/fseek using SEEK_END produces strange results)
X-Git-Tag: php-5.2.9RC1~77
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=91ec3a8141ad6996c95691ffe340de1cd525552a;p=php

- MFH: Fixed bug #47152 (gzseek/fseek using SEEK_END produces strange results)
---

diff --git a/NEWS b/NEWS
index fde8dd18c1..9113cc6ba6 100644
--- a/NEWS
+++ b/NEWS
@@ -17,6 +17,8 @@ PHP                                                                        NEWS
 - Fixed bug in xml_error_string() which resulted in messages being
   off by one. (Scott)
 
+- Fixed bug #47152 (gzseek/fseek using SEEK_END produces strange results).
+  (Felipe)
 - Fixed bug #47131 (SOAP Extension ignores "user_agent" ini setting). (Ilia)
 - Fixed bug #47104 (Linking shared extensions fails with icc). (Jani)
 - Fixed bug #47109 (Memory leak on $a->{"a"."b"} when $a is not an object).
diff --git a/ext/zlib/zlib_fopen_wrapper.c b/ext/zlib/zlib_fopen_wrapper.c
index dc4c5a70bf..fb71cf1104 100644
--- a/ext/zlib/zlib_fopen_wrapper.c
+++ b/ext/zlib/zlib_fopen_wrapper.c
@@ -60,6 +60,10 @@ static int php_gziop_seek(php_stream *stream, off_t offset, int whence, off_t *n
 
 	assert(self != NULL);
 
+	if (whence == SEEK_END) {
+		php_error_docref(NULL TSRMLS_CC, E_WARNING, "SEEK_END is not supported");
+		return -1;
+	}
 	*newoffs = gzseek(self->gz_file, offset, whence);
 
 	return (*newoffs < 0) ? -1 : 0;