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| author | Xi Wang <xi.wang@gmail.com> | 2013-03-15 06:31:21 -0400 |
|---|---|---|
| committer | Luca Barbato <lu_zero@gentoo.org> | 2013-03-15 13:20:55 +0100 |
| commit | 0b0e87bb544be1926c4ee86c25789d5d6c3c6255 (patch) | |
| tree | 9186f65eb31632d33c2a5610fb5d971456cfbec5 /libavutil/parseutils.c | |
| parent | 88089eecfd7e604d40d078b4f4206c647cb2e2b4 (diff) | |
| download | ffmpeg-0b0e87bb544be1926c4ee86c25789d5d6c3c6255.tar.gz | |
atrac3: avoid oversized shifting in decode_bytes()
When `off' is 0, `0x537F6103 << 32' in the following expression invokes
undefined behavior, the result of which is not necessarily 0.
(0x537F6103 >> (off * 8)) | (0x537F6103 << (32 - (off * 8)))
Avoid oversized shifting.
CC: libav-stable@libav.org
Signed-off-by: Xi Wang <xi.wang@gmail.com>
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
(cherry picked from commit eba1ff31304e407db3cefd7532108408f364367b)
Diffstat (limited to 'libavutil/parseutils.c')
0 files changed, 0 insertions, 0 deletions