diff options
author | Denys Vlasenko <vda.linux@googlemail.com> | 2012-03-06 19:27:48 +0400 |
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committer | Denys Vlasenko <vda.linux@googlemail.com> | 2012-03-06 19:27:48 +0400 |
commit | 8a6a2f9c9c214b94bd945acd97ac8b28c25e194e (patch) | |
tree | 08b9a2af482bb50a7e369c01f9e9083680543fd4 /archival/unzip.c | |
parent | 774bce8e8ba1e424c953e8f13aee8f0778c8a911 (diff) |
update seamless uncompression code
This change makes "tar tf hello_world.txz" work without
adding special-casing for ".txz" extension. It also removes
ever-growing magic checking code in rpm2cpio and get_header_tar -
we reuse one which lives in setup_unzip_on_fd.
function old new delta
unpack_gz_stream 7 566 +559
check_signature16 - 70 +70
setup_unzip_on_fd 99 142 +43
handle_SIGCHLD - 41 +41
unpack_bz2_stream 342 376 +34
unzip_main 2352 2385 +33
bbunpack 503 533 +30
open_transformer 74 102 +28
unpack_Z_stream 1278 1304 +26
unpack_gunzip 101 123 +22
init_transformer_aux_data - 18 +18
unpack_xz_stream 2388 2402 +14
open_zipped 131 141 +10
rpm_main 1358 1363 +5
get_header_tar_lzma 52 57 +5
get_header_tar_bz2 52 57 +5
unpack_lzma_stream 2698 2702 +4
hash_find 234 233 -1
get_header_tar 1759 1733 -26
get_header_tar_gz 92 57 -35
unpack_uncompress 51 12 -39
rpm2cpio_main 201 147 -54
unpack_unxz 67 12 -55
unpack_bz2_stream_prime 55 - -55
get_header_tar_Z 86 - -86
unpack_gz_stream_with_info 539 - -539
------------------------------------------------------------------------------
(add/remove: 3/3 grow/shrink: 14/6 up/down: 947/-890) Total: 57 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Diffstat (limited to 'archival/unzip.c')
-rw-r--r-- | archival/unzip.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/archival/unzip.c b/archival/unzip.c index 3a11f78a5..3c76cdafc 100644 --- a/archival/unzip.c +++ b/archival/unzip.c @@ -249,15 +249,17 @@ static void unzip_extract(zip_header_t *zip_header, int dst_fd) bb_copyfd_exact_size(zip_fd, dst_fd, size); } else { /* Method 8 - inflate */ - inflate_unzip_result res; - if (inflate_unzip(&res, zip_header->formatted.cmpsize, zip_fd, dst_fd) < 0) + transformer_aux_data_t aux; + init_transformer_aux_data(&aux); + aux.bytes_in = zip_header->formatted.cmpsize; + if (inflate_unzip(&aux, zip_fd, dst_fd) < 0) bb_error_msg_and_die("inflate error"); /* Validate decompression - crc */ - if (zip_header->formatted.crc32 != (res.crc ^ 0xffffffffL)) { + if (zip_header->formatted.crc32 != (aux.crc32 ^ 0xffffffffL)) { bb_error_msg_and_die("crc error"); } /* Validate decompression - size */ - if (zip_header->formatted.ucmpsize != res.bytes_out) { + if (zip_header->formatted.ucmpsize != aux.bytes_out) { /* Don't die. Who knows, maybe len calculation * was botched somewhere. After all, crc matched! */ bb_error_msg("bad length"); |