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.rheinha...@gmail.com>
---
libavformat/aviobuf.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/libavformat/aviobuf.c b/libavformat/aviobuf.c
index eb0387bdf7..33c2d6f037 100644
--- a/libavformat/aviobuf.c
+++ b/libavformat/aviobuf.c
@@ -1275,7 +1275,7 @@ 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;
--
2.20.1
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