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unlzma: add "lzma -d" alias, add -t support, rename lzmacat->lzcat

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Also coalesce some common strings

   text    data     bss     dec     hex filename
 844110     453    6812  851375   cfdaf busybox_old
 844061     453    6812  851326   cfd7e busybox_unstripped

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko
2010-05-27 02:22:54 +02:00
parent c5f30c0df8
commit ccb88a689e
6 changed files with 59 additions and 36 deletions
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27
archival/bbunzip.c
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@@ -9,12 +9,12 @@
#include "unarchive.h"
enum {
OPT_STDOUT = 0x1,
OPT_FORCE = 0x2,
/* gunzip and bunzip2 only: */
OPT_VERBOSE = 0x4,
OPT_DECOMPRESS = 0x8,
OPT_TEST = 0x10,
OPT_STDOUT = 1 << 0,
OPT_FORCE = 1 << 1,
/* only some decompressors: */
OPT_VERBOSE = 1 << 2,
OPT_DECOMPRESS = 1 << 3,
OPT_TEST = 1 << 4,
};
static
@@ -333,12 +333,17 @@ IF_DESKTOP(long long) int unpack_unlzma(unpack_info_t *info UNUSED_PARAM)
int unlzma_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
int unlzma_main(int argc UNUSED_PARAM, char **argv)
{
getopt32(argv, "cf");
argv += optind;
/* lzmacat? */
if (applet_name[4] == 'c')
int opts = getopt32(argv, "cfvdt");
# if ENABLE_FEATURE_LZMA_ALIAS
/* lzma without -d or -t? */
if (applet_name[2] == 'm' && !(opts & (OPT_DECOMPRESS|OPT_TEST)))
bb_show_usage();
# endif
/* lzcat? */
if (applet_name[2] == 'c')
option_mask32 |= OPT_STDOUT;
argv += optind;
return bbunpack(argv, make_new_name_unlzma, unpack_unlzma);
}
@@ -346,7 +351,7 @@ int unlzma_main(int argc UNUSED_PARAM, char **argv)
/*
* Uncompress applet for busybox (c) 2002 Glenn McGrath
* Uncompress applet for busybox (c) 2002 Glenn McGrath
*
* Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
*/