busybox/archival/libunarchive/unpack_ar_archive.c
Denis Vlasenko 0381d422d9 dpkg_deb: slight code shrink
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
2008-07-10 23:06:00 +00:00

22 lines
457 B
C

/* vi: set sw=4 ts=4: */
/*
* Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
*/
#include "libbb.h"
#include "unarchive.h"
void FAST_FUNC unpack_ar_archive(archive_handle_t *ar_archive)
{
char magic[7];
xread(ar_archive->src_fd, magic, 7);
if (strncmp(magic, "!<arch>", 7) != 0) {
bb_error_msg_and_die("invalid ar magic");
}
ar_archive->offset += 7;
while (get_header_ar(ar_archive) == EXIT_SUCCESS)
continue;
}