diff options
Diffstat (limited to 'archival/cpio.c')
| -rw-r--r-- | archival/cpio.c | 103 |
1 files changed, 89 insertions, 14 deletions
diff --git a/archival/cpio.c b/archival/cpio.c index 4c9fb1f65..530af802a 100644 --- a/archival/cpio.c +++ b/archival/cpio.c @@ -14,18 +14,6 @@ #include "libbb.h" #include "unarchive.h" -enum { - CPIO_OPT_EXTRACT = (1 << 0), - CPIO_OPT_TEST = (1 << 1), - CPIO_OPT_UNCONDITIONAL = (1 << 2), - CPIO_OPT_VERBOSE = (1 << 3), - CPIO_OPT_FILE = (1 << 4), - CPIO_OPT_CREATE_LEADING_DIR = (1 << 5), - CPIO_OPT_PRESERVE_MTIME = (1 << 6), - CPIO_OPT_CREATE = (1 << 7), - CPIO_OPT_FORMAT = (1 << 8), -}; - #if ENABLE_FEATURE_CPIO_O static off_t cpio_pad4(off_t size) { @@ -190,15 +178,102 @@ static int cpio_o(void) } #endif +/* GNU cpio (GNU cpio) 2.9 help (abridged): + + Main operation mode: + -i, --extract Extract files from an archive + -o, --create Create the archive + -p, --pass-through Copy-pass mode (was ist das?!) + -t, --list List the archive + + Operation modifiers valid in any mode: + --block-size=SIZE I/O block size = SIZE * 512 bytes + -B I/O block size = 5120 bytes + -c Use the old portable (ASCII) archive format + -C, --io-size=NUMBER I/O block size to the given NUMBER bytes + -f, --nonmatching Only copy files that do not match given pattern + -F, --file=FILE Use FILE instead of standard input or output + -H, --format=FORMAT Use given archive FORMAT + -M, --message=STRING Print STRING when the end of a volume of the + backup media is reached + -n, --numeric-uid-gid If -v, show numeric UID and GID + --quiet Do not print the number of blocks copied + --rsh-command=COMMAND Use remote COMMAND instead of rsh + -v, --verbose Verbosely list the files processed + -V, --dot Print a "." for each file processed + -W, --warning=FLAG Control warning display: 'none','truncate','all'; + multiple options accumulate + + Operation modifiers valid only in --extract mode: + -b, --swap Swap both halfwords of words and bytes of + halfwords in the data (equivalent to -sS) + -r, --rename Interactively rename files + -s, --swap-bytes Swap the bytes of each halfword in the files + -S, --swap-halfwords Swap the halfwords of each word (4 bytes) + --to-stdout Extract files to standard output + -E, --pattern-file=FILE Read additional patterns specifying filenames to + extract or list from FILE + --only-verify-crc Verify CRC's, don't actually extract the files + + Operation modifiers valid only in --create mode: + -A, --append Append to an existing archive + -O FILE File to use instead of standard output + + Operation modifiers valid only in --pass-through mode: + -l, --link Link files instead of copying them, when possible + + Operation modifiers valid in --extract and --create modes: + --absolute-filenames Do not strip file system prefix components from + the file names + --no-absolute-filenames Create all files relative to the current dir + + Operation modifiers valid in --create and --pass-through modes: + -0, --null A list of filenames is terminated by a NUL + -a, --reset-access-time Reset the access times of files after reading them + -I FILE File to use instead of standard input + -L, --dereference Dereference symbolic links (copy the files + that they point to instead of copying the links) + -R, --owner=[USER][:.][GROUP] Set owner of created files + + Operation modifiers valid in --extract and --pass-through modes: + -d, --make-directories Create leading directories where needed + -m, --preserve-modification-time + Retain previous file modification times when + creating files + --no-preserve-owner Do not change the ownership of the files + --sparse Write files with blocks of zeros as sparse files + -u, --unconditional Replace all files unconditionally + */ + int cpio_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE; int cpio_main(int argc UNUSED_PARAM, char **argv) { archive_handle_t *archive_handle; char *cpio_filename; + USE_FEATURE_CPIO_O(const char *cpio_fmt = "";) + unsigned opt; + enum { + CPIO_OPT_EXTRACT = (1 << 0), + CPIO_OPT_TEST = (1 << 1), + CPIO_OPT_UNCONDITIONAL = (1 << 2), + CPIO_OPT_VERBOSE = (1 << 3), + CPIO_OPT_FILE = (1 << 4), + CPIO_OPT_CREATE_LEADING_DIR = (1 << 5), + CPIO_OPT_PRESERVE_MTIME = (1 << 6), + CPIO_OPT_CREATE = (1 << 7), + CPIO_OPT_FORMAT = (1 << 8), + }; + +#if ENABLE_GETOPT_LONG && ENABLE_DESKTOP + applet_long_options = + "extract\0" No_argument "i" + "list\0" No_argument "t" #if ENABLE_FEATURE_CPIO_O - const char *cpio_fmt = ""; + "create\0" No_argument "o" + "format\0" Required_argument "H" +#endif + ; #endif - unsigned opt; /* Initialize */ archive_handle = init_handle(); |