| /* vi: set sw=4 ts=4: */ |
| /* |
| * Common code for gunzip-like applets |
| * |
| * Licensed under GPLv2 or later, see file LICENSE in this source tree. |
| */ |
| #include "libbb.h" |
| #include "bb_archive.h" |
| |
| /* lzop_main() uses bbunpack(), need this: */ |
| //kbuild:lib-$(CONFIG_LZOP) += bbunzip.o |
| //kbuild:lib-$(CONFIG_LZOPCAT) += bbunzip.o |
| //kbuild:lib-$(CONFIG_UNLZOP) += bbunzip.o |
| /* bzip2_main() too: */ |
| //kbuild:lib-$(CONFIG_FEATURE_BZIP2_DECOMPRESS) += bbunzip.o |
| /* gzip_main() too: */ |
| //kbuild:lib-$(CONFIG_FEATURE_GZIP_DECOMPRESS) += bbunzip.o |
| |
| /* Note: must be kept in sync with archival/lzop.c */ |
| enum { |
| OPT_STDOUT = 1 << 0, |
| OPT_FORCE = 1 << 1, |
| /* only some decompressors: */ |
| OPT_VERBOSE = 1 << 2, |
| OPT_QUIET = 1 << 3, |
| OPT_DECOMPRESS = 1 << 4, |
| OPT_TEST = 1 << 5, |
| SEAMLESS_MAGIC = (1 << 31) * ENABLE_ZCAT * SEAMLESS_COMPRESSION, |
| }; |
| |
| static |
| int open_to_or_warn(int to_fd, const char *filename, int flags, int mode) |
| { |
| int fd = open3_or_warn(filename, flags, mode); |
| if (fd < 0) { |
| return 1; |
| } |
| xmove_fd(fd, to_fd); |
| return 0; |
| } |
| |
| char* FAST_FUNC append_ext(char *filename, const char *expected_ext) |
| { |
| return xasprintf("%s.%s", filename, expected_ext); |
| } |
| |
| int FAST_FUNC bbunpack(char **argv, |
| IF_DESKTOP(long long) int FAST_FUNC (*unpacker)(transformer_state_t *xstate), |
| char* FAST_FUNC (*make_new_name)(char *filename, const char *expected_ext), |
| const char *expected_ext |
| ) |
| { |
| struct stat stat_buf; |
| IF_DESKTOP(long long) int status = 0; |
| char *filename, *new_name; |
| smallint exitcode = 0; |
| transformer_state_t xstate; |
| |
| do { |
| /* NB: new_name is *maybe* malloc'ed! */ |
| new_name = NULL; |
| filename = *argv; /* can be NULL - 'streaming' bunzip2 */ |
| |
| if (filename && LONE_DASH(filename)) |
| filename = NULL; |
| |
| /* Open src */ |
| if (filename) { |
| if (!(option_mask32 & SEAMLESS_MAGIC)) { |
| if (stat(filename, &stat_buf) != 0) { |
| err_name: |
| bb_simple_perror_msg(filename); |
| err: |
| exitcode = 1; |
| goto free_name; |
| } |
| if (open_to_or_warn(STDIN_FILENO, filename, O_RDONLY, 0)) |
| goto err; |
| } else { |
| /* "clever zcat" with FILE */ |
| /* fail_if_not_compressed because zcat refuses uncompressed input */ |
| int fd = open_zipped(filename, /*fail_if_not_compressed:*/ 1); |
| if (fd < 0) |
| goto err_name; |
| xmove_fd(fd, STDIN_FILENO); |
| } |
| } else |
| if (option_mask32 & SEAMLESS_MAGIC) { |
| /* "clever zcat" on stdin */ |
| if (setup_unzip_on_fd(STDIN_FILENO, /*fail_if_not_compressed*/ 1)) |
| goto err; |
| } |
| |
| /* Special cases: test, stdout */ |
| if (option_mask32 & (OPT_STDOUT|OPT_TEST)) { |
| if (option_mask32 & OPT_TEST) |
| if (open_to_or_warn(STDOUT_FILENO, bb_dev_null, O_WRONLY, 0)) |
| xfunc_die(); |
| filename = NULL; |
| } |
| |
| /* Open dst if we are going to unpack to file */ |
| if (filename) { |
| new_name = make_new_name(filename, expected_ext); |
| if (!new_name) { |
| bb_error_msg("%s: unknown suffix - ignored", filename); |
| goto err; |
| } |
| |
| /* -f: overwrite existing output files */ |
| if (option_mask32 & OPT_FORCE) { |
| unlink(new_name); |
| } |
| |
| /* O_EXCL: "real" bunzip2 doesn't overwrite files */ |
| /* GNU gunzip does not bail out, but goes to next file */ |
| if (open_to_or_warn(STDOUT_FILENO, new_name, O_WRONLY | O_CREAT | O_EXCL, |
| stat_buf.st_mode)) |
| goto err; |
| } |
| |
| /* Check that the input is sane */ |
| if (!(option_mask32 & OPT_FORCE) && isatty(STDIN_FILENO)) { |
| bb_error_msg_and_die("compressed data not read from terminal, " |
| "use -f to force it"); |
| } |
| |
| if (!(option_mask32 & SEAMLESS_MAGIC)) { |
| init_transformer_state(&xstate); |
| /*xstate.signature_skipped = 0; - already is */ |
| /*xstate.src_fd = STDIN_FILENO; - already is */ |
| xstate.dst_fd = STDOUT_FILENO; |
| status = unpacker(&xstate); |
| if (status < 0) |
| exitcode = 1; |
| } else { |
| if (bb_copyfd_eof(STDIN_FILENO, STDOUT_FILENO) < 0) |
| /* Disk full, tty closed, etc. No point in continuing */ |
| xfunc_die(); |
| } |
| |
| if (!(option_mask32 & OPT_STDOUT)) |
| xclose(STDOUT_FILENO); /* with error check! */ |
| |
| if (filename) { |
| char *del = new_name; |
| |
| if (status >= 0) { |
| unsigned new_name_len; |
| |
| /* TODO: restore other things? */ |
| if (xstate.mtime != 0) { |
| struct timeval times[2]; |
| |
| times[1].tv_sec = times[0].tv_sec = xstate.mtime; |
| times[1].tv_usec = times[0].tv_usec = 0; |
| /* Note: we closed it first. |
| * On some systems calling utimes |
| * then closing resets the mtime |
| * back to current time. */ |
| utimes(new_name, times); /* ignoring errors */ |
| } |
| |
| if (ENABLE_DESKTOP) |
| new_name_len = strlen(new_name); |
| /* Restore source filename (unless tgz -> tar case) */ |
| if (new_name == filename) { |
| new_name_len = strlen(filename); |
| filename[new_name_len] = '.'; |
| } |
| /* Extreme bloat for gunzip compat */ |
| /* Some users do want this info... */ |
| if (ENABLE_DESKTOP && (option_mask32 & OPT_VERBOSE)) { |
| unsigned percent = status |
| ? ((uoff_t)stat_buf.st_size * 100u / (unsigned long long)status) |
| : 0; |
| fprintf(stderr, "%s: %u%% - replaced with %.*s\n", |
| filename, |
| 100u - percent, |
| new_name_len, new_name |
| ); |
| } |
| /* Delete _source_ file */ |
| del = filename; |
| } |
| xunlink(del); |
| free_name: |
| if (new_name != filename) |
| free(new_name); |
| } |
| } while (*argv && *++argv); |
| |
| if (option_mask32 & OPT_STDOUT) |
| xclose(STDOUT_FILENO); /* with error check! */ |
| |
| return exitcode; |
| } |
| |
| #if ENABLE_UNCOMPRESS \ |
| || ENABLE_FEATURE_BZIP2_DECOMPRESS \ |
| || ENABLE_UNLZMA || ENABLE_LZCAT || ENABLE_LZMA \ |
| || ENABLE_UNXZ || ENABLE_XZCAT || ENABLE_XZ |
| static |
| char* FAST_FUNC make_new_name_generic(char *filename, const char *expected_ext) |
| { |
| char *extension = strrchr(filename, '.'); |
| if (!extension || strcmp(extension + 1, expected_ext) != 0) { |
| /* Mimic GNU gunzip - "real" bunzip2 tries to */ |
| /* unpack file anyway, to file.out */ |
| return NULL; |
| } |
| *extension = '\0'; |
| return filename; |
| } |
| #endif |
| |
| |
| /* |
| * Uncompress applet for busybox (c) 2002 Glenn McGrath |
| * |
| * Licensed under GPLv2 or later, see file LICENSE in this source tree. |
| */ |
| //usage:#define uncompress_trivial_usage |
| //usage: "[-cf] [FILE]..." |
| //usage:#define uncompress_full_usage "\n\n" |
| //usage: "Decompress .Z file[s]\n" |
| //usage: "\n -c Write to stdout" |
| //usage: "\n -f Overwrite" |
| |
| //config:config UNCOMPRESS |
| //config: bool "uncompress" |
| //config: default n # ancient |
| //config: help |
| //config: uncompress is used to decompress archives created by compress. |
| //config: Not much used anymore, replaced by gzip/gunzip. |
| |
| //applet:IF_UNCOMPRESS(APPLET(uncompress, BB_DIR_BIN, BB_SUID_DROP)) |
| //kbuild:lib-$(CONFIG_UNCOMPRESS) += bbunzip.o |
| #if ENABLE_UNCOMPRESS |
| int uncompress_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE; |
| int uncompress_main(int argc UNUSED_PARAM, char **argv) |
| { |
| getopt32(argv, "cf"); |
| argv += optind; |
| |
| return bbunpack(argv, unpack_Z_stream, make_new_name_generic, "Z"); |
| } |
| #endif |
| |
| |
| /* |
| * Gzip implementation for busybox |
| * |
| * Based on GNU gzip v1.2.4 Copyright (C) 1992-1993 Jean-loup Gailly. |
| * |
| * Originally adjusted for busybox by Sven Rudolph <sr1@inf.tu-dresden.de> |
| * based on gzip sources |
| * |
| * Adjusted further by Erik Andersen <andersen@codepoet.org> to support files as |
| * well as stdin/stdout, and to generally behave itself wrt command line |
| * handling. |
| * |
| * General cleanup to better adhere to the style guide and make use of standard |
| * busybox functions by Glenn McGrath |
| * |
| * Licensed under GPLv2 or later, see file LICENSE in this source tree. |
| * |
| * gzip (GNU zip) -- compress files with zip algorithm and 'compress' interface |
| * Copyright (C) 1992-1993 Jean-loup Gailly |
| * The unzip code was written and put in the public domain by Mark Adler. |
| * Portions of the lzw code are derived from the public domain 'compress' |
| * written by Spencer Thomas, Joe Orost, James Woods, Jim McKie, Steve Davies, |
| * Ken Turkowski, Dave Mack and Peter Jannesen. |
| */ |
| //usage:#define gunzip_trivial_usage |
| //usage: "[-cft] [FILE]..." |
| //usage:#define gunzip_full_usage "\n\n" |
| //usage: "Decompress FILEs (or stdin)\n" |
| //usage: "\n -c Write to stdout" |
| //usage: "\n -f Force" |
| //usage: "\n -t Test file integrity" |
| //usage: |
| //usage:#define gunzip_example_usage |
| //usage: "$ ls -la /tmp/BusyBox*\n" |
| //usage: "-rw-rw-r-- 1 andersen andersen 557009 Apr 11 10:55 /tmp/BusyBox-0.43.tar.gz\n" |
| //usage: "$ gunzip /tmp/BusyBox-0.43.tar.gz\n" |
| //usage: "$ ls -la /tmp/BusyBox*\n" |
| //usage: "-rw-rw-r-- 1 andersen andersen 1761280 Apr 14 17:47 /tmp/BusyBox-0.43.tar\n" |
| //usage: |
| //usage:#define zcat_trivial_usage |
| //usage: "[FILE]..." |
| //usage:#define zcat_full_usage "\n\n" |
| //usage: "Decompress to stdout" |
| |
| //config:config GUNZIP |
| //config: bool "gunzip" |
| //config: default y |
| //config: select FEATURE_GZIP_DECOMPRESS |
| //config: help |
| //config: gunzip is used to decompress archives created by gzip. |
| //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: select FEATURE_GZIP_DECOMPRESS |
| //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 || ZCAT) && LONG_OPTS |
| |
| //applet:IF_GUNZIP(APPLET(gunzip, BB_DIR_BIN, BB_SUID_DROP)) |
| //applet:IF_ZCAT(APPLET_ODDNAME(zcat, gunzip, BB_DIR_BIN, BB_SUID_DROP, zcat)) |
| #if ENABLE_FEATURE_GZIP_DECOMPRESS |
| static |
| char* FAST_FUNC make_new_name_gunzip(char *filename, const char *expected_ext UNUSED_PARAM) |
| { |
| char *extension = strrchr(filename, '.'); |
| |
| if (!extension) |
| return NULL; |
| |
| extension++; |
| if (strcmp(extension, "tgz" + 1) == 0 |
| #if ENABLE_FEATURE_SEAMLESS_Z |
| || (extension[0] == 'Z' && extension[1] == '\0') |
| #endif |
| ) { |
| extension[-1] = '\0'; |
| } else if (strcmp(extension, "tgz") == 0) { |
| filename = xstrdup(filename); |
| extension = strrchr(filename, '.'); |
| extension[2] = 'a'; |
| extension[3] = 'r'; |
| } else { |
| return NULL; |
| } |
| return filename; |
| } |
| |
| #if ENABLE_FEATURE_GUNZIP_LONG_OPTIONS |
| static const char gunzip_longopts[] ALIGN1 = |
| "stdout\0" No_argument "c" |
| "to-stdout\0" No_argument "c" |
| "force\0" No_argument "f" |
| "test\0" No_argument "t" |
| "no-name\0" No_argument "n" |
| ; |
| #endif |
| |
| /* |
| * Linux kernel build uses gzip -d -n. We accept and ignore it. |
| * Man page says: |
| * -n --no-name |
| * gzip: do not save the original file name and time stamp. |
| * (The original name is always saved if the name had to be truncated.) |
| * gunzip: do not restore the original file name/time even if present |
| * (remove only the gzip suffix from the compressed file name). |
| * This option is the default when decompressing. |
| * -N --name |
| * gzip: always save the original file name and time stamp (this is the default) |
| * gunzip: restore the original file name and time stamp if present. |
| */ |
| int gunzip_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE; |
| int gunzip_main(int argc UNUSED_PARAM, char **argv) |
| { |
| #if ENABLE_FEATURE_GUNZIP_LONG_OPTIONS |
| applet_long_options = gunzip_longopts; |
| #endif |
| getopt32(argv, "cfvqdtn"); |
| argv += optind; |
| |
| /* If called as zcat... |
| * Normally, "zcat" is just "gunzip -c". |
| * But if seamless magic is enabled, then we are much more clever. |
| */ |
| 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); |
| } |
| #endif /* FEATURE_GZIP_DECOMPRESS */ |
| |
| |
| /* |
| * Modified for busybox by Glenn McGrath |
| * Added support output to stdout by Thomas Lundquist <thomasez@zelow.no> |
| * |
| * Licensed under GPLv2 or later, see file LICENSE in this source tree. |
| */ |
| //usage:#define bunzip2_trivial_usage |
| //usage: "[-cf] [FILE]..." |
| //usage:#define bunzip2_full_usage "\n\n" |
| //usage: "Decompress FILEs (or stdin)\n" |
| //usage: "\n -c Write to stdout" |
| //usage: "\n -f Force" |
| //usage:#define bzcat_trivial_usage |
| //usage: "[FILE]..." |
| //usage:#define bzcat_full_usage "\n\n" |
| //usage: "Decompress to stdout" |
| |
| //config:config BUNZIP2 |
| //config: bool "bunzip2" |
| //config: default y |
| //config: select FEATURE_BZIP2_DECOMPRESS |
| //config: help |
| //config: bunzip2 is a compression utility using the Burrows-Wheeler block |
| //config: sorting text compression algorithm, and Huffman coding. Compression |
| //config: is generally considerably better than that achieved by more |
| //config: conventional LZ77/LZ78-based compressors, and approaches the |
| //config: performance of the PPM family of statistical compressors. |
| //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: select FEATURE_BZIP2_DECOMPRESS |
| //config: help |
| //config: Alias to "bunzip2 -c". |
| |
| //applet:IF_BUNZIP2(APPLET(bunzip2, BB_DIR_USR_BIN, BB_SUID_DROP)) |
| //applet:IF_BZCAT(APPLET_ODDNAME(bzcat, bunzip2, BB_DIR_USR_BIN, BB_SUID_DROP, bzcat)) |
| #if ENABLE_FEATURE_BZIP2_DECOMPRESS |
| 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 (ENABLE_BZCAT && applet_name[2] == 'c') /* bzcat */ |
| option_mask32 |= OPT_STDOUT; |
| |
| return bbunpack(argv, unpack_bz2_stream, make_new_name_generic, "bz2"); |
| } |
| #endif |
| |
| |
| /* |
| * Small lzma deflate implementation. |
| * Copyright (C) 2006 Aurelien Jacobs <aurel@gnuage.org> |
| * |
| * Based on bunzip.c from busybox |
| * |
| * Licensed under GPLv2, see file LICENSE in this source tree. |
| */ |
| //usage:#define unlzma_trivial_usage |
| //usage: "[-cf] [FILE]..." |
| //usage:#define unlzma_full_usage "\n\n" |
| //usage: "Decompress FILE (or stdin)\n" |
| //usage: "\n -c Write to stdout" |
| //usage: "\n -f Force" |
| //usage: |
| //usage:#define lzma_trivial_usage |
| //usage: "-d [-cf] [FILE]..." |
| //usage:#define lzma_full_usage "\n\n" |
| //usage: "Decompress FILE (or stdin)\n" |
| //usage: "\n -d Decompress" |
| //usage: "\n -c Write to stdout" |
| //usage: "\n -f Force" |
| //usage: |
| //usage:#define lzcat_trivial_usage |
| //usage: "[FILE]..." |
| //usage:#define lzcat_full_usage "\n\n" |
| //usage: "Decompress to stdout" |
| //usage: |
| //usage:#define unxz_trivial_usage |
| //usage: "[-cf] [FILE]..." |
| //usage:#define unxz_full_usage "\n\n" |
| //usage: "Decompress FILE (or stdin)\n" |
| //usage: "\n -c Write to stdout" |
| //usage: "\n -f Force" |
| //usage: |
| //usage:#define xz_trivial_usage |
| //usage: "-d [-cf] [FILE]..." |
| //usage:#define xz_full_usage "\n\n" |
| //usage: "Decompress FILE (or stdin)\n" |
| //usage: "\n -d Decompress" |
| //usage: "\n -c Write to stdout" |
| //usage: "\n -f Force" |
| //usage: |
| //usage:#define xzcat_trivial_usage |
| //usage: "[FILE]..." |
| //usage:#define xzcat_full_usage "\n\n" |
| //usage: "Decompress to stdout" |
| |
| //config:config UNLZMA |
| //config: bool "unlzma" |
| //config: default y |
| //config: help |
| //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 LZCAT |
| //config: bool "lzcat" |
| //config: default y |
| //config: help |
| //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 "lzma -d" |
| //config: default y |
| //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 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_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-$(CONFIG_UNLZMA) += bbunzip.o |
| //kbuild:lib-$(CONFIG_LZCAT) += bbunzip.o |
| //kbuild:lib-$(CONFIG_LZMA) += bbunzip.o |
| #if ENABLE_UNLZMA || ENABLE_LZCAT || ENABLE_LZMA |
| int unlzma_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE; |
| int unlzma_main(int argc UNUSED_PARAM, char **argv) |
| { |
| IF_LZMA(int opts =) getopt32(argv, "cfvqdt"); |
| # if ENABLE_LZMA |
| /* lzma without -d or -t? */ |
| if (applet_name[2] == 'm' && !(opts & (OPT_DECOMPRESS|OPT_TEST))) |
| bb_show_usage(); |
| # endif |
| /* lzcat? */ |
| if (ENABLE_LZCAT && applet_name[2] == 'c') |
| option_mask32 |= OPT_STDOUT; |
| |
| argv += optind; |
| return bbunpack(argv, unpack_lzma_stream, make_new_name_generic, "lzma"); |
| } |
| #endif |
| |
| |
| //config:config UNXZ |
| //config: bool "unxz" |
| //config: default y |
| //config: help |
| //config: unxz is a unlzma successor. |
| //config: |
| //config:config XZCAT |
| //config: bool "xzcat" |
| //config: default y |
| //config: help |
| //config: Alias to "unxz -c". |
| //config: |
| //config:config XZ |
| //config: bool "xz -d" |
| //config: default y |
| //config: help |
| //config: Enable this option if you want commands like "xz -d" to work. |
| //config: IOW: you'll get xz applet, but it will always require -d option. |
| |
| //applet:IF_UNXZ(APPLET(unxz, BB_DIR_USR_BIN, BB_SUID_DROP)) |
| //applet:IF_XZCAT(APPLET_ODDNAME(xzcat, unxz, BB_DIR_USR_BIN, BB_SUID_DROP, xzcat)) |
| //applet:IF_XZ(APPLET_ODDNAME(xz, unxz, BB_DIR_USR_BIN, BB_SUID_DROP, xz)) |
| //kbuild:lib-$(CONFIG_UNXZ) += bbunzip.o |
| //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) |
| { |
| IF_XZ(int opts =) getopt32(argv, "cfvqdt"); |
| # if ENABLE_XZ |
| /* xz without -d or -t? */ |
| if (applet_name[2] == '\0' && !(opts & (OPT_DECOMPRESS|OPT_TEST))) |
| bb_show_usage(); |
| # endif |
| /* xzcat? */ |
| if (ENABLE_XZCAT && applet_name[2] == 'c') |
| option_mask32 |= OPT_STDOUT; |
| |
| argv += optind; |
| return bbunpack(argv, unpack_xz_stream, make_new_name_generic, "xz"); |
| } |
| #endif |