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Make bzcat, lzcat, xzcat, zcat, lzopcat, unlzop individually selectable

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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko
2016-11-16 15:45:05 +01:00
parent a8c696bf09
commit eb3fdc843e
3 changed files with 82 additions and 36 deletions
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32
archival/lzop.c
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@ -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 @@ int lzop_main(int argc UNUSED_PARAM, char **argv)
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);