diff options
| author | Anton Khirnov <anton@khirnov.net> | 2015-07-10 10:31:24 +0300 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2015-07-20 05:43:41 +0300 |
| commit | c5c141bc699f9b6f2e5613bc826b0943b70e1011 (patch) | |
| tree | b661e4327e8d718b9a8cba86386244048a290594 | |
| parent | 6c98d5e7c83f18f8e9b65c0214d5593c0436a473 (diff) | |
bytestream2: set the reader to the end when reading more than available
This prevents possible infinite loops with the calling code along the
lines of while (bytestream2_get_bytes_left()) { ... }, where the reader
does not advance.
CC: libav-stable@libav.org
(cherry picked from commit 86eee85daddb682fa072c2e2657c90a514b855e3)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
| -rw-r--r-- | libavcodec/bytestream.h | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/libavcodec/bytestream.h b/libavcodec/bytestream.h index c2cb601806..7c05ea6cf5 100644 --- a/libavcodec/bytestream.h +++ b/libavcodec/bytestream.h @@ -71,8 +71,10 @@ static av_always_inline type bytestream2_get_ ## name ## u(GetByteContext *g) \ } \ static av_always_inline type bytestream2_get_ ## name(GetByteContext *g) \ { \ - if (g->buffer_end - g->buffer < bytes) \ + if (g->buffer_end - g->buffer < bytes) { \ + g->buffer = g->buffer_end; \ return 0; \ + } \ return bytestream2_get_ ## name ## u(g); \ } \ static av_always_inline type bytestream2_peek_ ## name(GetByteContext *g) \ |