unxz: new applet, complete with xzcat and xz -d aliases
function old new delta
unpack_xz_stream_stdin - 3953 +3953
lzma_main - 2601 +2601
lzma_len - 516 +516
dec_vli - 165 +165
dict_repeat - 103 +103
lzma_reset - 98 +98
fill_temp - 98 +98
crc32_validate - 93 +93
xz_dec_reset - 77 +77
unxz_main - 77 +77
index_update - 47 +47
xz_crc32 - 40 +40
packed_usage 27044 27060 +16
make_new_name_unxz - 14 +14
applet_names 2240 2254 +14
applet_main 1312 1324 +12
applet_nameofs 656 662 +6
unpack_unxz - 5 +5
send_tree 355 360 +5
applet_install_loc 164 166 +2
------------------------------------------------------------------------------
(add/remove: 15/0 grow/shrink: 6/0 up/down: 7942/0) Total: 7942 bytes
text data bss dec hex filename
844032 453 6812 851297 cfd61 busybox_old
852063 453 6812 859328 d1cc0 busybox_unstripped
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
diff --git a/archival/bbunzip.c b/archival/bbunzip.c
index 178dc63..824b002 100644
--- a/archival/bbunzip.c
+++ b/archival/bbunzip.c
@@ -387,3 +387,36 @@
}
#endif
+
+#if ENABLE_UNXZ
+
+static
+char* make_new_name_unxz(char *filename)
+{
+ return make_new_name_generic(filename, "xz");
+}
+
+static
+IF_DESKTOP(long long) int unpack_unxz(unpack_info_t *info UNUSED_PARAM)
+{
+ return unpack_xz_stream_stdin();
+}
+
+int unxz_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
+int unxz_main(int argc UNUSED_PARAM, char **argv)
+{
+ int opts = getopt32(argv, "cfvdt");
+# if ENABLE_XZ
+ /* xz without -d or -t? */
+ if (applet_name[2] == '\0' && !(opts & (OPT_DECOMPRESS|OPT_TEST)))
+ bb_show_usage();
+# endif
+ /* xzcat? */
+ if (applet_name[2] == 'c')
+ option_mask32 |= OPT_STDOUT;
+
+ argv += optind;
+ return bbunpack(argv, make_new_name_unxz, unpack_unxz);
+}
+
+#endif