diff options
| author | Denis Vlasenko | 2008-03-02 18:56:23 +0000 |
|---|---|---|
| committer | Denis Vlasenko | 2008-03-02 18:56:23 +0000 |
| commit | 444639cc2134d483bf0845416e9b6ce8935af795 (patch) | |
| tree | 1f35c5c6c57a565b06de6be485bffa4dee7df084 /archival | |
| parent | c3fff877e1c7c3f2aff2833d5f5e5b7adc95ecd6 (diff) | |
| download | busybox-444639cc2134d483bf0845416e9b6ce8935af795.zip busybox-444639cc2134d483bf0845416e9b6ce8935af795.tar.gz | |
unlzma: save a few more bytes, and maybe even a bit faster now
Diffstat (limited to 'archival')
| -rw-r--r-- | archival/libunarchive/decompress_unlzma.c | 10 |
1 files changed, 3 insertions, 7 deletions
diff --git a/archival/libunarchive/decompress_unlzma.c b/archival/libunarchive/decompress_unlzma.c index 5bf4de2..aea0c8d 100644 --- a/archival/libunarchive/decompress_unlzma.c +++ b/archival/libunarchive/decompress_unlzma.c @@ -306,13 +306,9 @@ unpack_lzma_stream(int src_fd, int dst_fd) match_byte <<= 1; bit = match_byte & 0x100; prob_lit = prob + 0x100 + bit + mi; - if (rc_get_bit(rc, prob_lit, &mi)) { - if (!bit) - break; - } else { - if (bit) - break; - } + bit ^= (rc_get_bit(rc, prob_lit, &mi) << 8); /* 0x100 or 0 */ + if (bit) + break; } while (mi < 0x100); } while (mi < 0x100) { |