Bug #802 ยป gzip-k.diff
| gzip.1 6 Sep 2007 03:01:59 -0000 | ||
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.Nd compression/decompression tool using Lempel-Ziv coding (LZ77)
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.Sh SYNOPSIS
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.Nm
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.Op Fl cdfhlNnqrtVv
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.Op Fl cdfhklNnqrtVv
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.Op Fl S Ar suffix
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.Ar file
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.Oo
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| ... | ... | |
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.Oc
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.Oc
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.Nm gunzip
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.Op Fl cfhNqrtVv
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.Op Fl cfhkNqrtVv
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.Op Fl S Ar suffix
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.Ar file
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.Oo
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option, allowing non-compressed data to pass through unchanged.
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.It Fl h , -help
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This option prints a usage summary and exits.
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.It Fl k , -keep
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Keep (don't delete) input files during compression
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or decompression.
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.It Fl l , -list
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This option displays information about the file's compressed and
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uncompressed size, ratio, uncompressed name.
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| gzip.c 6 Sep 2007 02:59:15 -0000 | ||
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#ifndef SMALL
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static int fflag; /* force mode */
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static int kflag; /* don't delete input files */
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static int nflag; /* don't save name/timestamp */
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static int Nflag; /* don't restore name/timestamp */
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static int qflag; /* quiet mode */
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| ... | ... | |
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{ "uncompress", no_argument, 0, 'd' },
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{ "force", no_argument, 0, 'f' },
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{ "help", no_argument, 0, 'h' },
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{ "keep", no_argument, 0, 'k' },
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{ "list", no_argument, 0, 'l' },
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{ "no-name", no_argument, 0, 'n' },
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{ "name", no_argument, 0, 'N' },
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| ... | ... | |
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#ifdef SMALL
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#define OPT_LIST "cdhHltV123456789"
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#else
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#define OPT_LIST "cdfhHlnNqrS:tvV123456789"
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#define OPT_LIST "cdfhHklnNqrS:tvV123456789"
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#endif
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while ((ch = getopt_long(argc, argv, OPT_LIST, longopts, NULL)) != -1) {
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case 'f':
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fflag = 1;
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break;
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case 'k':
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kflag = 1;
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break;
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case 'n':
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nflag = 1;
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Nflag = 0;
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| ... | ... | |
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{
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struct stat nsb;
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if (kflag)
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return;
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if (stat(file, &nsb) != 0)
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/* Must be gone alrady */
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return;
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path_argv[0] = dir;
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path_argv[1] = 0;
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fts = fts_open(path_argv, FTS_PHYSICAL, NULL);
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fts = fts_open(path_argv, FTS_PHYSICAL | FTS_NOCHDIR, NULL);
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if (fts == NULL) {
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warn("couldn't fts_open %s", dir);
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return;
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maybe_warn("%s", entry->fts_path);
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continue;
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case FTS_F:
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handle_file(entry->fts_name, entry->fts_statp);
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handle_file(entry->fts_path, entry->fts_statp);
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}
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}
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(void)fts_close(fts);
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| ... | ... | |
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fprintf(stderr, "%s\n", gzip_version);
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fprintf(stderr,
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"usage: %s [-" OPT_LIST "] [<file> [<file> ...]]\n"
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#ifndef SMALL
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#ifdef SMALL
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"usage: %s [-" OPT_LIST "] [<file> [<file> ...]]\n",
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#else
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"usage: %s [-123456789acdfhklLNnqrtVv] [-S .suffix] [<file> [<file> ...]]\n"
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" -c --stdout write to stdout, keep original files\n"
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" --to-stdout\n"
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" -d --decompress uncompress files\n"
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" --uncompress\n"
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" -f --force force overwriting & compress links\n"
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" -h --help display this help\n"
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" -k --keep don't delete input files during operation\n"
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" -n --no-name don't save original file name or time stamp\n"
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" -N --name save or restore original file name and time stamp\n"
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" -q --quiet output no warnings\n"
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" -1 --fast fastest (worst) compression\n"
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" -2 .. -8 set compression level\n"
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" -9 --best best (slowest) compression\n",
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#else
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,
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#endif
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getprogname());
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exit(0);
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