From 56c12aa69875010d3493bb2e74c261e71ad8dcf3 Mon Sep 17 00:00:00 2001
From: Urvang Joshi <urvang@google.com>
Date: Tue, 29 Jan 2013 10:53:52 -0800
Subject: [PATCH] Demuxer creation fix:

If it's not a partial file and parser returns PARSE_NEED_MORE_DATA, then
consider it to be PARSE_ERROR.

Change-Id: Id652a345bd2a9f574970272dd0a00517de113215
---
 src/demux/demux.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/demux/demux.c b/src/demux/demux.c
index 64235217..40dbb291 100644
--- a/src/demux/demux.c
+++ b/src/demux/demux.c
@@ -643,6 +643,7 @@ WebPDemuxer* WebPDemuxInternal(const WebPData* data, int allow_partial,
     if (!memcmp(parser->id, GetBuffer(&dmux->mem_), TAG_SIZE)) {
       status = parser->parse(dmux);
       if (status == PARSE_OK) dmux->state_ = WEBP_DEMUX_DONE;
+      if (status == PARSE_NEED_MORE_DATA && !partial) status = PARSE_ERROR;
       if (status != PARSE_ERROR && !parser->valid(dmux)) status = PARSE_ERROR;
       break;
     }