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| author | Anton Khirnov <anton@khirnov.net> | 2015-07-10 09:31:24 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2015-07-18 20:23:45 +0200 |
| commit | 7db809a373f0fb066eea20883d1ba3b35fcbfe70 (patch) | |
| tree | af721544b1b38a631976630e3cf68f2ad19f6f79 | |
| parent | 0df814cf97310903eecd6b44c0f828c7da52905a (diff) | |
| download | ffmpeg-7db809a373f0fb066eea20883d1ba3b35fcbfe70.tar.gz | |
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) \ |