av_mod_uintp2_c uses a bitwise AND with (1 << p) - 1 to clear the high
bits of an unsigned int. But this is undefined if p == 31, because 1 is
an int and 2^31 is not representable in an int. So make 1 unsigned.
Signed-off-by: Andreas Rheinhardt <andreas.rheinha...@gmail.com>
---
libavutil/common.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/libavutil/common.h b/libavutil/common.h
index 8db0291170..af35397eb9 100644
--- a/libavutil/common.h
+++ b/libavutil/common.h
@@ -240,7 +240,7 @@ static av_always_inline av_const unsigned
av_clip_uintp2_c(int a, int p)
*/
static av_always_inline av_const unsigned av_mod_uintp2_c(unsigned a, unsigned
p)
{
- return a & ((1 << p) - 1);
+ return a & ((1U << p) - 1);
}
/**
--
2.20.1
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