Make bzcat, lzcat, xzcat, zcat, lzopcat, unlzop individually selectable
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
diff --git a/archival/Config.src b/archival/Config.src
index a9afaea..5e7cfc0 100644
--- a/archival/Config.src
+++ b/archival/Config.src
@@ -30,7 +30,7 @@
Make tar, rpm, modprobe etc understand .gz data.
config FEATURE_SEAMLESS_Z
- bool "tar, rpm, modprobe etc understand .Z data"
+ bool "Make tar, rpm, modprobe etc understand .Z data"
default n # it is ancient
help
Make tar, rpm, modprobe etc understand .Z data.
diff --git a/archival/bbunzip.c b/archival/bbunzip.c
index 07ef861..7d5402e 100644
--- a/archival/bbunzip.c
+++ b/archival/bbunzip.c
@@ -291,18 +291,24 @@
//config: You can use the `-t' option to test the integrity of
//config: an archive, without decompressing it.
//config:
+//config:config ZCAT
+//config: bool "zcat"
+//config: default y
+//config: help
+//config: Alias to "gunzip -c".
+//config:
//config:config FEATURE_GUNZIP_LONG_OPTIONS
//config: bool "Enable long options"
//config: default y
-//config: depends on GUNZIP && LONG_OPTS
+//config: depends on (GUNZIP || ZCAT) && LONG_OPTS
//config: help
//config: Enable use of long options.
//applet:IF_GUNZIP(APPLET(gunzip, BB_DIR_BIN, BB_SUID_DROP))
-//applet:IF_GUNZIP(APPLET_ODDNAME(zcat, gunzip, BB_DIR_BIN, BB_SUID_DROP, zcat))
-//kbuild:lib-$(CONFIG_GZIP) += bbunzip.o
+//applet:IF_ZCAT(APPLET_ODDNAME(zcat, gunzip, BB_DIR_BIN, BB_SUID_DROP, zcat))
//kbuild:lib-$(CONFIG_GUNZIP) += bbunzip.o
-#if ENABLE_GUNZIP
+//kbuild:lib-$(CONFIG_ZCAT) += bbunzip.o
+#if ENABLE_GUNZIP || ENABLE_ZCAT
static
char* FAST_FUNC make_new_name_gunzip(char *filename, const char *expected_ext UNUSED_PARAM)
{
@@ -365,7 +371,7 @@
* Normally, "zcat" is just "gunzip -c".
* But if seamless magic is enabled, then we are much more clever.
*/
- if (applet_name[1] == 'c')
+ if (ENABLE_ZCAT && applet_name[1] == 'c')
option_mask32 |= OPT_STDOUT | SEAMLESS_MAGIC;
return bbunpack(argv, unpack_gz_stream, make_new_name_gunzip, /*unused:*/ NULL);
@@ -402,18 +408,24 @@
//config:
//config: Unless you have a specific application which requires bunzip2, you
//config: should probably say N here.
+//config:
+//config:config BZCAT
+//config: bool "bzcat"
+//config: default y
+//config: help
+//config: Alias to "bunzip2 -c".
//applet:IF_BUNZIP2(APPLET(bunzip2, BB_DIR_USR_BIN, BB_SUID_DROP))
-//applet:IF_BUNZIP2(APPLET_ODDNAME(bzcat, bunzip2, BB_DIR_USR_BIN, BB_SUID_DROP, bzcat))
-//kbuild:lib-$(CONFIG_BZIP2) += bbunzip.o
+//applet:IF_BZCAT(APPLET_ODDNAME(bzcat, bunzip2, BB_DIR_USR_BIN, BB_SUID_DROP, bzcat))
//kbuild:lib-$(CONFIG_BUNZIP2) += bbunzip.o
-#if ENABLE_BUNZIP2
+//kbuild:lib-$(CONFIG_BZCAT) += bbunzip.o
+#if ENABLE_BUNZIP2 || ENABLE_BZCAT
int bunzip2_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
int bunzip2_main(int argc UNUSED_PARAM, char **argv)
{
getopt32(argv, "cfvqdt");
argv += optind;
- if (applet_name[2] == 'c') /* bzcat */
+ if (ENABLE_BZCAT && applet_name[2] == 'c') /* bzcat */
option_mask32 |= OPT_STDOUT;
return bbunpack(argv, unpack_bz2_stream, make_new_name_generic, "bz2");
@@ -481,27 +493,40 @@
//config: The BusyBox unlzma applet is limited to decompression only.
//config: On an x86 system, this applet adds about 4K.
//config:
-//config:config FEATURE_LZMA_FAST
-//config: bool "Optimize unlzma for speed"
-//config: default n
-//config: depends on UNLZMA
+//config:config LZCAT
+//config: bool "lzcat"
+//config: default y
//config: help
-//config: This option reduces decompression time by about 25% at the cost of
-//config: a 1K bigger binary.
+//config: unlzma is a compression utility using the Lempel-Ziv-Markov chain
+//config: compression algorithm, and range coding. Compression
+//config: is generally considerably better than that achieved by the bzip2
+//config: compressors.
+//config:
+//config: The BusyBox unlzma applet is limited to decompression only.
+//config: On an x86 system, this applet adds about 4K.
//config:
//config:config LZMA
-//config: bool "Provide lzma alias which supports only unpacking"
+//config: bool "lzma -d"
//config: default y
-//config: depends on UNLZMA
//config: help
//config: Enable this option if you want commands like "lzma -d" to work.
//config: IOW: you'll get lzma applet, but it will always require -d option.
+//config:
+//config:config FEATURE_LZMA_FAST
+//config: bool "Optimize unlzma for speed"
+//config: default n
+//config: depends on UNLZMA || LZCAT || LZMA
+//config: help
+//config: This option reduces decompression time by about 25% at the cost of
+//config: a 1K bigger binary.
//applet:IF_UNLZMA(APPLET(unlzma, BB_DIR_USR_BIN, BB_SUID_DROP))
-//applet:IF_UNLZMA(APPLET_ODDNAME(lzcat, unlzma, BB_DIR_USR_BIN, BB_SUID_DROP, lzcat))
+//applet:IF_LZCAT(APPLET_ODDNAME(lzcat, unlzma, BB_DIR_USR_BIN, BB_SUID_DROP, lzcat))
//applet:IF_LZMA(APPLET_ODDNAME(lzma, unlzma, BB_DIR_USR_BIN, BB_SUID_DROP, lzma))
//kbuild:lib-$(CONFIG_UNLZMA) += bbunzip.o
-#if ENABLE_UNLZMA
+//kbuild:lib-$(CONFIG_LZCAT) += bbunzip.o
+//kbuild:lib-$(CONFIG_LZMA) += bbunzip.o
+#if ENABLE_UNLZMA || ENABLE_LZCAT || ENABLE_LZMA
int unlzma_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
int unlzma_main(int argc UNUSED_PARAM, char **argv)
{
@@ -512,7 +537,7 @@
bb_show_usage();
# endif
/* lzcat? */
- if (applet_name[2] == 'c')
+ if (ENABLE_LZCAT && applet_name[2] == 'c')
option_mask32 |= OPT_STDOUT;
argv += optind;
@@ -527,19 +552,26 @@
//config: help
//config: unxz is a unlzma successor.
//config:
-//config:config XZ
-//config: bool "Provide xz alias which supports only unpacking"
+//config:config XZCAT
+//config: bool "xzcat"
//config: default y
-//config: depends on UNXZ
+//config: help
+//config: Alias to "unxz -c".
+//config:
+//config:config XZ
+//config: bool "xz -d"
+//config: default y
//config: help
//config: Enable this option if you want commands like "xz -d" to work.
//config: IOW: you'll get xz applet, but it will always require -d option.
//applet:IF_UNXZ(APPLET(unxz, BB_DIR_USR_BIN, BB_SUID_DROP))
-//applet:IF_UNXZ(APPLET_ODDNAME(xzcat, unxz, BB_DIR_USR_BIN, BB_SUID_DROP, xzcat))
+//applet:IF_XZCAT(APPLET_ODDNAME(xzcat, unxz, BB_DIR_USR_BIN, BB_SUID_DROP, xzcat))
//applet:IF_XZ(APPLET_ODDNAME(xz, unxz, BB_DIR_USR_BIN, BB_SUID_DROP, xz))
//kbuild:lib-$(CONFIG_UNXZ) += bbunzip.o
-#if ENABLE_UNXZ
+//kbuild:lib-$(CONFIG_XZCAT) += bbunzip.o
+//kbuild:lib-$(CONFIG_XZ) += bbunzip.o
+#if ENABLE_UNXZ || ENABLE_XZCAT || ENABLE_XZ
int unxz_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
int unxz_main(int argc UNUSED_PARAM, char **argv)
{
@@ -550,7 +582,7 @@
bb_show_usage();
# endif
/* xzcat? */
- if (applet_name[2] == 'c')
+ if (ENABLE_XZCAT && applet_name[2] == 'c')
option_mask32 |= OPT_STDOUT;
argv += optind;
diff --git a/archival/lzop.c b/archival/lzop.c
index 202de4d..e0e90ac 100644
--- a/archival/lzop.c
+++ b/archival/lzop.c
@@ -31,19 +31,33 @@
//config: help
//config: Lzop compression/decompresion.
//config:
+//config:config UNLZOP
+//config: bool "unlzop"
+//config: default y
+//config: help
+//config: Lzop decompresion.
+//config:
+//config:config LZOPCAT
+//config: bool "lzopcat"
+//config: default y
+//config: help
+//config: Alias to "unlzop -c".
+//config:
//config:config LZOP_COMPR_HIGH
//config: bool "lzop compression levels 7,8,9 (not very useful)"
//config: default n
-//config: depends on LZOP
+//config: depends on LZOP || UNLZOP || LZOPCAT
//config: help
//config: High levels (7,8,9) of lzop compression. These levels
//config: are actually slower than gzip at equivalent compression ratios
//config: and take up 3.2K of code.
//applet:IF_LZOP(APPLET(lzop, BB_DIR_BIN, BB_SUID_DROP))
-//applet:IF_LZOP(APPLET_ODDNAME(lzopcat, lzop, BB_DIR_USR_BIN, BB_SUID_DROP, lzopcat))
-//applet:IF_LZOP(APPLET_ODDNAME(unlzop, lzop, BB_DIR_USR_BIN, BB_SUID_DROP, unlzop))
+//applet:IF_UNLZOP(APPLET_ODDNAME(unlzop, lzop, BB_DIR_USR_BIN, BB_SUID_DROP, unlzop))
+//applet:IF_LZOPCAT(APPLET_ODDNAME(lzopcat, lzop, BB_DIR_USR_BIN, BB_SUID_DROP, lzopcat))
//kbuild:lib-$(CONFIG_LZOP) += lzop.o
+//kbuild:lib-$(CONFIG_UNLZOP) += lzop.o
+//kbuild:lib-$(CONFIG_LZOPCAT) += lzop.o
//usage:#define lzop_trivial_usage
//usage: "[-cfvd123456789CF] [FILE]..."
@@ -57,18 +71,18 @@
//usage: "\n -C Also write checksum of compressed block"
//usage:
//usage:#define lzopcat_trivial_usage
-//usage: "[-vCF] [FILE]..."
+//usage: "[-vF] [FILE]..."
//usage:#define lzopcat_full_usage "\n\n"
//usage: " -v Verbose"
-//usage: "\n -F Don't store or verify checksum"
+//usage: "\n -F Don't verify checksum"
//usage:
//usage:#define unlzop_trivial_usage
-//usage: "[-cfvCF] [FILE]..."
+//usage: "[-cfvF] [FILE]..."
//usage:#define unlzop_full_usage "\n\n"
//usage: " -c Write to stdout"
//usage: "\n -f Force"
//usage: "\n -v Verbose"
-//usage: "\n -F Don't store or verify checksum"
+//usage: "\n -F Don't verify checksum"
#include "libbb.h"
#include "common_bufsiz.h"
@@ -1111,10 +1125,10 @@
getopt32(argv, OPTION_STRING);
argv += optind;
/* lzopcat? */
- if (applet_name[4] == 'c')
+ if (ENABLE_LZOPCAT && applet_name[4] == 'c')
option_mask32 |= (OPT_STDOUT | OPT_DECOMPRESS);
/* unlzop? */
- if (applet_name[4] == 'o')
+ if (ENABLE_UNLZOP && applet_name[4] == 'o')
option_mask32 |= OPT_DECOMPRESS;
global_crc32_table = crc32_filltable(NULL, 0);