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lavu/common.h: Fix UB in av_clipl_int32_c()

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Found by value analysis

Signed-off-by: Paul B Mahol <onemda@gmail.com>
This commit is contained in:
Tomas Härdin 2024-05-15 21:03:47 +02:00 committed by Paul B Mahol
parent ecef34a7c2
commit ef6ea6e31a
1 changed files with 2 additions and 2 deletions
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2
libavutil/common.h
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@ -253,7 +253,7 @@ static av_always_inline av_const int16_t av_clip_int16_c(int a)
*/
static av_always_inline av_const int32_t av_clipl_int32_c(int64_t a)
{
if ((a+0x80000000u) & ~UINT64_C(0xFFFFFFFF)) return (int32_t)((a>>63) ^ 0x7FFFFFFF);
if ((a+UINT64_C(0x80000000)) & ~UINT64_C(0xFFFFFFFF)) return (int32_t)((a>>63) ^ 0x7FFFFFFF);
else return (int32_t)a;
}