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authorMichael Niedermayer <michaelni@gmx.at>2015-02-18 22:50:41 +0100
committerMichael Niedermayer <michaelni@gmx.at>2015-02-18 22:50:41 +0100
commite0be5c4fbedd3c27ef784807e0981b1085c656bd (patch)
treeda4e98441c873c2f5f3f6932bc38aa455ba71b56 /libavutil/sha.c
parent80d278a981efed4ad07e603d38c493eafe01ba5d (diff)
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avutil/sha: Protect macro arguments with ()
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavutil/sha.c')
-rw-r--r--libavutil/sha.c12
1 files changed, 6 insertions, 6 deletions
diff --git a/libavutil/sha.c b/libavutil/sha.c
index 0cf9424..9963043 100644
--- a/libavutil/sha.c
+++ b/libavutil/sha.c
@@ -51,13 +51,13 @@ struct AVSHA *av_sha_alloc(void)
/* (R0+R1), R2, R3, R4 are the different operations used in SHA1 */
#define blk0(i) (block[i] = AV_RB32(buffer + 4 * (i)))
-#define blk(i) (block[i] = rol(block[i-3] ^ block[i-8] ^ block[i-14] ^ block[i-16], 1))
+#define blk(i) (block[i] = rol(block[(i)-3] ^ block[(i)-8] ^ block[(i)-14] ^ block[(i)-16], 1))
-#define R0(v,w,x,y,z,i) z += ((w&(x^y))^y) + blk0(i) + 0x5A827999 + rol(v, 5); w = rol(w, 30);
-#define R1(v,w,x,y,z,i) z += ((w&(x^y))^y) + blk (i) + 0x5A827999 + rol(v, 5); w = rol(w, 30);
-#define R2(v,w,x,y,z,i) z += ( w^x ^y) + blk (i) + 0x6ED9EBA1 + rol(v, 5); w = rol(w, 30);
-#define R3(v,w,x,y,z,i) z += (((w|x)&y)|(w&x)) + blk (i) + 0x8F1BBCDC + rol(v, 5); w = rol(w, 30);
-#define R4(v,w,x,y,z,i) z += ( w^x ^y) + blk (i) + 0xCA62C1D6 + rol(v, 5); w = rol(w, 30);
+#define R0(v,w,x,y,z,i) z += (((w)&((x)^(y)))^(y)) + blk0(i) + 0x5A827999 + rol(v, 5); w = rol(w, 30);
+#define R1(v,w,x,y,z,i) z += (((w)&((x)^(y)))^(y)) + blk (i) + 0x5A827999 + rol(v, 5); w = rol(w, 30);
+#define R2(v,w,x,y,z,i) z += ( (w)^(x) ^(y)) + blk (i) + 0x6ED9EBA1 + rol(v, 5); w = rol(w, 30);
+#define R3(v,w,x,y,z,i) z += ((((w)|(x))&(y))|((w)&(x))) + blk (i) + 0x8F1BBCDC + rol(v, 5); w = rol(w, 30);
+#define R4(v,w,x,y,z,i) z += ( (w)^(x) ^(y)) + blk (i) + 0xCA62C1D6 + rol(v, 5); w = rol(w, 30);
/* Hash a single 512-bit block. This is the core of the algorithm. */
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