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| author | Michael Niedermayer <michaelni@gmx.at> | 2012-10-11 02:42:18 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2012-10-11 02:42:18 +0200 |
| commit | 4e4ae2f82caacd03fe936e5553c2e8f70ee109e9 (patch) | |
| tree | f819796be00fae046159e5a3138befda339dc5ce | |
| parent | fac1ccbda1bb8441c7329a3ac18fbf04886da983 (diff) | |
| download | ffmpeg-4e4ae2f82caacd03fe936e5553c2e8f70ee109e9.tar.gz | |
sha: change loop condition to be tighter.
This makes no change to the way the code functions, but should make
it easier for static analyzers to see the valid range for i
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
| -rw-r--r-- | libavutil/sha.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/libavutil/sha.c b/libavutil/sha.c index 7194d43204..c5d13c127a 100644 --- a/libavutil/sha.c +++ b/libavutil/sha.c @@ -210,7 +210,7 @@ static void sha256_transform(uint32_t *state, const uint8_t buffer[64]) a = T1 + T2; } #else - for (i = 0; i < 16;) { + for (i = 0; i < 16 - 7;) { ROUND256_0_TO_15(a, b, c, d, e, f, g, h); ROUND256_0_TO_15(h, a, b, c, d, e, f, g); ROUND256_0_TO_15(g, h, a, b, c, d, e, f); @@ -221,7 +221,7 @@ static void sha256_transform(uint32_t *state, const uint8_t buffer[64]) ROUND256_0_TO_15(b, c, d, e, f, g, h, a); } - for (; i < 64;) { + for (; i < 64 - 7;) { ROUND256_16_TO_63(a, b, c, d, e, f, g, h); ROUND256_16_TO_63(h, a, b, c, d, e, f, g); ROUND256_16_TO_63(g, h, a, b, c, d, e, f); |