From: Sebastian Dröge <sebastian@centricular.com>
Date: Fri, 20 Jan 2017 06:02:38 +0000 (+0200)
Subject: samiparse: Check that the string has a non-zero length before overwriting the last... 
X-Git-Tag: 1.19.3~511^2~2399
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=d894c19db62ce87115317616f0a5d4482d6332c4;p=platform%2Fupstream%2Fgstreamer.git

samiparse: Check that the string has a non-zero length before overwriting the last byte with '\0'

https://bugzilla.gnome.org/show_bug.cgi?id=777502
---

diff --git a/gst/subparse/samiparse.c b/gst/subparse/samiparse.c
index 517e959..377c6d7 100644
--- a/gst/subparse/samiparse.c
+++ b/gst/subparse/samiparse.c
@@ -504,7 +504,8 @@ html_context_handle_element (HtmlContext * ctxt,
     }
 
     length = strlen (attr_value);
-    if (attr_value[length - 1] == '"' || attr_value[length - 1] == '\'') {
+    if (length > 0 && (attr_value[length - 1] == '"'
+            || attr_value[length - 1] == '\'')) {
       attr_value[length - 1] = '\0';
     }