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| author | Andreas Rheinhardt <andreas.rheinhardt@gmail.com> | 2020-05-24 03:14:00 +0200 |
|---|---|---|
| committer | Andreas Rheinhardt <andreas.rheinhardt@gmail.com> | 2020-07-02 00:12:49 +0200 |
| commit | aec8b1fa0bfa000ec27c8ac71a3c4035278c0b8e (patch) | |
| tree | 343b7d2d371e97a177e427eec0e992cbadb206c5 /libavformat | |
| parent | b568b4683ec12a553c82437811814afd6fcb3a90 (diff) | |
| download | ffmpeg-aec8b1fa0bfa000ec27c8ac71a3c4035278c0b8e.tar.gz | |
avformat/aviobuf: Don't check for overflow after it happened
If adding two ints overflows, it doesn't matter whether the result will
be stored in an unsigned or not; and checking afterwards does not make it
retroactively defined.
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
(cherry picked from commit 28a078eded1c29985ed078b59d48ff59cf00394b)
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
Diffstat (limited to 'libavformat')
| -rw-r--r-- | libavformat/aviobuf.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavformat/aviobuf.c b/libavformat/aviobuf.c index 6a5cd97b0a..c2d4872886 100644 --- a/libavformat/aviobuf.c +++ b/libavformat/aviobuf.c @@ -1309,7 +1309,7 @@ static int dyn_buf_write(void *opaque, uint8_t *buf, int buf_size) unsigned new_size, new_allocated_size; /* reallocate buffer if needed */ - new_size = d->pos + buf_size; + new_size = (unsigned)d->pos + buf_size; new_allocated_size = d->allocated_size; if (new_size < d->pos || new_size > INT_MAX/2) return -1; |