From: Nathan Caldwell <saintdev@gmail.com>
Date: Tue, 13 Jan 2009 05:58:56 +0000 (-0700)
Subject: If we're not given any data for the Attachment, bail.
X-Git-Tag: 0.6.3.1~3
X-Git-Url: https://repo.or.cz/w/libmkv.git/commitdiff_plain/1622febc69d703def3d4dccd1d036c5e507ec4d5

If we're not given any data for the Attachment, bail.
---

diff --git a/src/attachments.c b/src/attachments.c
index 4492c8a..e5e9e40 100644
--- a/src/attachments.c
+++ b/src/attachments.c
@@ -33,6 +33,10 @@ int mk_createAttachment(
 {
 	mk_Context *attach;
 	unsigned long file_uid;
+
+	if ((data == NULL) || (size == 0))
+		return -1;
+	
 	/*
 	 * Generate a random UID for this Attachment.
 	 * NOTE: This probably should be a CRC32 of file data.