diff options
| author | Denys Vlasenko <dvlasenk@redhat.com> | 2010-10-27 17:26:45 +0400 |
|---|---|---|
| committer | Denys Vlasenko <dvlasenk@redhat.com> | 2010-10-27 17:26:45 +0400 |
| commit | 9ce642f9746dfc29d119d0680b769677e3ea6da6 (patch) | |
| tree | f8d2bcd08c691979058b610b32573a742a3e3024 /archival/libunarchive/decompress_unzip.c | |
| parent | dd88ba88f5082b1785539b1fb87af7320515b8c9 (diff) | |
libbb: introduce and use common crc32 routine
function old new delta
crc32_block_endian1 - 37 +37
crc32_block_endian0 - 34 +34
global_crc32_table - 8 +8
file_read 82 87 +5
gzip_main 211 214 +3
xz_crc32 40 35 -5
crc32_table 8 - -8
calculate_gunzip_crc 54 34 -20
lzo_crc32 54 25 -29
cksum_main 298 211 -87
------------------------------------------------------------------------------
(add/remove: 3/1 grow/shrink: 2/4 up/down: 87/-149) Total: -62 bytes
Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
Diffstat (limited to 'archival/libunarchive/decompress_unzip.c')
| -rw-r--r-- | archival/libunarchive/decompress_unzip.c | 5 |
1 files changed, 1 insertions, 4 deletions
diff --git a/archival/libunarchive/decompress_unzip.c b/archival/libunarchive/decompress_unzip.c index 20fda9d26..cb8a3d737 100644 --- a/archival/libunarchive/decompress_unzip.c +++ b/archival/libunarchive/decompress_unzip.c @@ -925,10 +925,7 @@ static int inflate_block(STATE_PARAM smallint *e) /* Two callsites, both in inflate_get_next_window */ static void calculate_gunzip_crc(STATE_PARAM_ONLY) { - unsigned n; - for (n = 0; n < gunzip_outbuf_count; n++) { - gunzip_crc = gunzip_crc_table[((int) gunzip_crc ^ (gunzip_window[n])) & 0xff] ^ (gunzip_crc >> 8); - } + gunzip_crc = crc32_block_endian0(gunzip_crc, gunzip_window, gunzip_outbuf_count, gunzip_crc_table); gunzip_bytes_out += gunzip_outbuf_count; } |