From: Dmitry Stogov <dmitry@php.net>
Date: Wed, 18 Apr 2007 13:53:32 +0000 (+0000)
Subject: Fixed crash
X-Git-Tag: RELEASE_1_2_0~283
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=98423baf138533bf1e0a178e6db6cfcc429b302e;p=php

Fixed crash
---

diff --git a/main/streams/plain_wrapper.c b/main/streams/plain_wrapper.c
index c809db4c2e..420f8a63c7 100644
--- a/main/streams/plain_wrapper.c
+++ b/main/streams/plain_wrapper.c
@@ -718,8 +718,16 @@ static int php_stdiop_set_option(php_stream *stream, int option, int value, void
 							return PHP_STREAM_OPTION_RETURN_ERR;
 						}
 
-						if (range->length == 0) {
-							range->length = GetFileSize(hfile, NULL) - range->offset;
+						size = GetFileSize(hfile, NULL);
+						if (range->length == 0 && range->offset > 0 && range->offset < size) {
+							range->length = size - range->offset;
+						}
+						if (range->length == 0 || range->length > size) {
+							range->length = size;
+						}
+						if (range->offset >= size) {
+							range->offset = size;
+							range->length = 0;
 						}
 
 						/* figure out how big a chunk to map to be able to view the part that we need */