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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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4
include/unarchive.h
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@ -47,11 +47,13 @@ typedef struct archive_handle_t {
/* Process the data component, e.g. extract to filesystem */
void FAST_FUNC (*action_data)(struct archive_handle_t *);
#if ENABLE_DPKG || ENABLE_DPKG_DEB
/* "subarchive" is used only by dpkg[-deb] applets */
/* How to process any sub archive, e.g. get_header_tar_gz */
char FAST_FUNC (*action_data_subarchive)(struct archive_handle_t *);
/* Contains the handle to a sub archive */
struct archive_handle_t *sub_archive;
#endif
/* The raw stream as read from disk or stdin */
int src_fd;