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avutil/ripemd: make rol macro more robust by adding parentheses

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This ensures that the macro remains correct in the sense of allowing
expressions for value and bits, by placing the value and bits expressions within
parentheses.

Reviewed-by: James Almer <jamrial@gmail.com>
Signed-off-by: Ganesh Ajjanagadde <gajjanagadde@gmail.com>
This commit is contained in:
Ganesh Ajjanagadde 2015-10-27 19:58:41 -04:00
parent 2193f537ed
commit fab1562a50
1 changed files with 1 additions and 1 deletions
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libavutil/ripemd.c
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@ -85,7 +85,7 @@ static const int WB[80] = {
12, 15, 10, 4, 1, 5, 8, 7, 6, 2, 13, 14, 0, 3, 9, 11
};
#define rol(value, bits) ((value << bits) | (value >> (32 - bits)))
#define rol(value, bits) (((value) << (bits)) | ((value) >> (32 - (bits))))
#define ROUND128_0_TO_15(a,b,c,d,e,f,g,h) \
a = rol(a + (( b ^ c ^ d) + block[WA[n]]), ROTA[n]); \