From: Steve Lhomme <robux@videolan.org>
Date: Sat, 3 Sep 2005 14:49:58 +0000 (+0000)
Subject: * fix an uninitialized buffer use
X-Git-Tag: 0.8.4~589
X-Git-Url: https://git.sesse.net/?p=vlc;a=commitdiff_plain;h=8fd5f21d4d207f6c395307891a82f08b863578de

* fix an uninitialized buffer use
---

diff --git a/modules/demux/mkv.cpp b/modules/demux/mkv.cpp
index ad90dc6f13..c434322020 100644
--- a/modules/demux/mkv.cpp
+++ b/modules/demux/mkv.cpp
@@ -5031,15 +5031,18 @@ void demux_sys_t::JumpTo( virtual_segment_c & vsegment, chapter_item_c * p_chapt
 
 bool matroska_segment_c::CompareSegmentUIDs( const matroska_segment_c * p_item_a, const matroska_segment_c * p_item_b )
 {
+    if ( p_item_a == NULL || p_item_b == NULL )
+        return false;
+
     EbmlBinary * p_itema = (EbmlBinary *)(p_item_a->p_segment_uid);
-    if ( *p_itema == *p_item_b->p_prev_segment_uid )
+    if ( p_item_b->p_prev_segment_uid != NULL && *p_itema == *p_item_b->p_prev_segment_uid )
         return true;
 
     p_itema = (EbmlBinary *)(&p_item_a->p_next_segment_uid);
-    if ( *p_itema == *p_item_b->p_segment_uid )
+    if ( p_item_b->p_segment_uid != NULL && *p_itema == *p_item_b->p_segment_uid )
         return true;
 
-    if ( *p_itema == *p_item_b->p_prev_segment_uid )
+    if ( p_item_b->p_prev_segment_uid != NULL && *p_itema == *p_item_b->p_prev_segment_uid )
         return true;
 
     return false;