From: Antony Dovgal <tony2001@php.net>
Date: Mon, 25 Dec 2006 20:03:20 +0000 (+0000)
Subject: improve check for overflow
X-Git-Tag: RELEASE_1_0_0RC1~507
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=487ce5744aa0e716fae0dcc6d2e4421e0a5732f3;p=php

improve check for overflow
---

diff --git a/ext/bz2/bz2.c b/ext/bz2/bz2.c
index efd7af37a3..b2da9832f3 100644
--- a/ext/bz2/bz2.c
+++ b/ext/bz2/bz2.c
@@ -330,7 +330,7 @@ static PHP_FUNCTION(bzread)
 	
 	php_stream_from_zval(stream, &bz);
 
-	if (len < 0) {
+	if ((len + 1) < 1) {
 		php_error_docref(NULL TSRMLS_CC, E_WARNING, "length may not be negative");
 		RETURN_FALSE;
 	}