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Diffstat (limited to 'dep/libzip/src/ziptorrent.c')
| -rw-r--r-- | dep/libzip/src/ziptorrent.c | 165 |
1 files changed, 165 insertions, 0 deletions
diff --git a/dep/libzip/src/ziptorrent.c b/dep/libzip/src/ziptorrent.c new file mode 100644 index 00000000000..aa84216e581 --- /dev/null +++ b/dep/libzip/src/ziptorrent.c @@ -0,0 +1,165 @@ +/* + zipcmp.c -- compare zip files + Copyright (C) 2008 Dieter Baron and Thomas Klausner + + This file is part of libzip, a library to manipulate ZIP archives. + The authors can be contacted at <libzip@nih.at> + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions + are met: + 1. Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + 2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in + the documentation and/or other materials provided with the + distribution. + 3. The names of the authors may not be used to endorse or promote + products derived from this software without specific prior + written permission. + + THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS + OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY + DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE + GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER + IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN + IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + + + +#include <errno.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <unistd.h> +#include <zlib.h> + +#include "config.h" +#include "zip.h" + + + +#define FLAG_DRYRUN 1 +#define FLAG_VERBOSE 2 + +const char *prg; + +#define PROGRAM "ziptorrent" + +char *usage = "usage: %s [-hnVv] zip [...]\n"; + +char help_head[] = + PROGRAM " (" PACKAGE ") by Dieter Baron and Thomas Klausner\n\n"; + +char help[] = "\n\ + -h display this help message\n\ + -n don't actually change archives, just print what would be done\n\ + -V display version number\n\ + -v verbose\n\ +\n\ +Report bugs to <libzip@nih.at>.\n"; + +char version_string[] = PROGRAM " (" PACKAGE " " VERSION ")\n\ +Copyright (C) 2008 Dieter Baron and Thomas Klausner\n\ +" PACKAGE " comes with ABSOLUTELY NO WARRANTY, to the extent permitted by law.\n"; + +#define OPTIONS "hnVv" + +static int torrentzip(const char *, int); + + + +int +main(int argc, char * const argv[]) +{ + int err; + int c; + int flags; + + prg = argv[0]; + flags = 0; + + while ((c=getopt(argc, argv, OPTIONS)) != -1) { + switch (c) { + case 'h': + fputs(help_head, stdout); + printf(usage, prg); + fputs(help, stdout); + exit(0); + case 'n': + flags |= FLAG_DRYRUN|FLAG_VERBOSE; + break; + case 'V': + fputs(version_string, stdout); + exit(0); + case 'v': + flags |= FLAG_VERBOSE; + break; + + default: + fprintf(stderr, usage, prg); + exit(2); + } + } + + if (argc == optind) { + fprintf(stderr, usage, prg); + exit(2); + } + + err = 0; + while (optind < argc) { + err |= torrentzip(argv[optind++], flags); + } + + return (err ? 1 : 0); +} + + + +static int +torrentzip(const char *fname, int flags) +{ + struct zip *za; + int err; + char errstr[1024]; + + if ((za=zip_open(fname, 0, &err)) == NULL) { + zip_error_to_str(errstr, sizeof(errstr), err, errno); + fprintf(stderr, "%s: cannot open zip archive `%s': %s\n", + prg, fname, errstr); + return -1; + } + + if (flags & FLAG_VERBOSE) { + if (zip_get_archive_flag(za, ZIP_AFL_TORRENT, 0)) + printf("%s: already torrentzipped\n", fname); + else + printf("%s: torrentzipping\n", fname); + } + + if ((flags & FLAG_DRYRUN) == 0) { + if (zip_set_archive_flag(za, ZIP_AFL_TORRENT, 1) < 0) { + fprintf(stderr, "%s: cannot set torrentzip flag in `%s': %s\n", + prg, fname, zip_strerror(za)); + zip_close(za); + return -1; + } + } + + if (zip_close(za) < 0) { + fprintf(stderr, "%s: cannot torrentzip `%s': %s\n", + prg, fname, zip_strerror(za)); + zip_unchange_all(za); + zip_close(za); + return -1; + } + + return 0; +} |