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dpkg_deb: slight code shrink

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ar: reuse existing ar unpacking code
get_header_tar: handle autodetection for tiny .tar.gz files too
unarchive.h: do not include CONFIGed out things

function                                             old     new   delta
get_header_tar                                      1521    1534     +13
dpkg_deb_main                                        400     380     -20
ar_main                                              260     196     -64
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 1/2 up/down: 13/-84)            Total: -71 bytes
This commit is contained in:
Denis Vlasenko
2008-07-10 23:06:00 +00:00
parent b6052724ff
commit 0381d422d9
9 changed files with 65 additions and 45 deletions
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1
archival/libunarchive/get_header_tar_gz.c
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@@ -20,6 +20,7 @@ char FAST_FUNC get_header_tar_gz(archive_handle_t *archive_handle)
* need the header. */
#if BB_MMU
xread(archive_handle->src_fd, &magic, 2);
/* Can skip this check, but error message will be less clear */
if ((magic[0] != 0x1f) || (magic[1] != 0x8b)) {
bb_error_msg_and_die("invalid gzip magic");
}