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| author | Lasse Collin <lasse.collin@tukaani.org> | 2014-07-25 22:30:38 +0300 |
|---|---|---|
| committer | Lasse Collin <lasse.collin@tukaani.org> | 2014-07-25 22:30:38 +0300 |
| commit | f48fce093b07aeda95c18850f5e086d9f2383380 (patch) | |
| tree | 671aef15c2e3b6074f6ec9295a76f0e0b47b3398 /src | |
| parent | liblzma: Use lzma_memcmplen() in fast mode of LZMA. (diff) | |
| download | xz-f48fce093b07aeda95c18850f5e086d9f2383380.tar.xz | |
liblzma: Simplify LZMA fast mode code by using memcmp().
Diffstat (limited to 'src')
| -rw-r--r-- | src/liblzma/lzma/lzma_encoder_optimum_fast.c | 11 |
1 files changed, 1 insertions, 10 deletions
diff --git a/src/liblzma/lzma/lzma_encoder_optimum_fast.c b/src/liblzma/lzma/lzma_encoder_optimum_fast.c index 7ecb4cc6..8922cbd9 100644 --- a/src/liblzma/lzma/lzma_encoder_optimum_fast.c +++ b/src/liblzma/lzma/lzma_encoder_optimum_fast.c @@ -155,16 +155,7 @@ lzma_lzma_optimum_fast(lzma_coder *restrict coder, lzma_mf *restrict mf, const uint32_t limit = len_main - 1; for (uint32_t i = 0; i < REPS; ++i) { - const uint8_t *const buf_back = buf - coder->reps[i] - 1; - - if (not_equal_16(buf, buf_back)) - continue; - - uint32_t len; - for (len = 2; len < limit - && buf[len] == buf_back[len]; ++len) ; - - if (len >= limit) { + if (memcmp(buf, buf - coder->reps[i] - 1, limit) == 0) { *back_res = UINT32_MAX; *len_res = 1; return; |