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Diffstat (limited to 'dpkg-split/main.c')
| -rw-r--r-- | dpkg-split/main.c | 178 |
1 files changed, 178 insertions, 0 deletions
diff --git a/dpkg-split/main.c b/dpkg-split/main.c new file mode 100644 index 0000000..bcc1dc7 --- /dev/null +++ b/dpkg-split/main.c @@ -0,0 +1,178 @@ +/* + * dpkg-split - splitting and joining of multipart *.deb archives + * main.c - main program + * + * Copyright © 1994-1996 Ian Jackson <ijackson@chiark.greenend.org.uk> + * Copyright © 2006-2012 Guillem Jover <guillem@debian.org> + * + * This is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <https://www.gnu.org/licenses/>. + */ +#include <config.h> +#include <compat.h> + +#include <sys/types.h> + +#include <errno.h> +#include <limits.h> +#include <inttypes.h> +#if HAVE_LOCALE_H +#include <locale.h> +#endif +#include <string.h> +#include <stdlib.h> +#include <stdio.h> + +#include <dpkg/macros.h> +#include <dpkg/i18n.h> +#include <dpkg/dpkg.h> +#include <dpkg/dpkg-db.h> +#include <dpkg/options.h> + +#include "dpkg-split.h" + +static void DPKG_ATTR_NORET +printversion(const struct cmdinfo *cip, const char *value) +{ + printf(_("Debian '%s' package split/join tool; version %s.\n"), + SPLITTER, PACKAGE_RELEASE); + + printf(_( +"This is free software; see the GNU General Public License version 2 or\n" +"later for copying conditions. There is NO warranty.\n")); + + m_output(stdout, _("<standard output>")); + + exit(0); +} + +static void DPKG_ATTR_NORET +usage(const struct cmdinfo *cip, const char *value) +{ + printf(_( +"Usage: %s [<option> ...] <command>\n" +"\n"), SPLITTER); + + printf(_( +"Commands:\n" +" -s|--split <file> [<prefix>] Split an archive.\n" +" -j|--join <part> <part> ... Join parts together.\n" +" -I|--info <part> ... Display info about a part.\n" +" -a|--auto -o <complete> <part> Auto-accumulate parts.\n" +" -l|--listq List unmatched pieces.\n" +" -d|--discard [<filename> ...] Discard unmatched pieces.\n" +"\n")); + + printf(_( +" -?, --help Show this help message.\n" +" --version Show the version.\n" +"\n")); + + printf(_( +"Options:\n" +" --depotdir <directory> Use <directory> instead of %s/%s.\n" +" -S|--partsize <size> In KiB, for -s (default is 450).\n" +" -o|--output <file> Filename, for -j (default is\n" +" <package>_<version>_<arch>.deb).\n" +" -Q|--npquiet Be quiet when -a is not a part.\n" +" --msdos Generate 8.3 filenames.\n" +"\n"), ADMINDIR, PARTSDIR); + + printf(_( +"Exit status:\n" +" 0 = ok\n" +" 1 = with --auto, file is not a part\n" +" 2 = trouble\n")); + + + m_output(stdout, _("<standard output>")); + + exit(0); +} + +static const char printforhelp[] = N_("Type dpkg-split --help for help."); + +off_t opt_maxpartsize = SPLITPARTDEFMAX; +static const char *admindir; +const char *opt_depotdir; +const char *opt_outputfile = NULL; +int opt_npquiet = 0; +int opt_msdos = 0; + +void DPKG_ATTR_NORET +read_fail(int rc, const char *filename, const char *what) +{ + if (rc >= 0) + ohshit(_("unexpected end of file in %s in %.255s"), what, filename); + else + ohshite(_("error reading %s from file %.255s"), what, filename); +} + +static void +set_part_size(const struct cmdinfo *cip, const char *value) +{ + off_t newpartsize; + char *endp; + + errno = 0; + newpartsize = strtoimax(value, &endp, 10); + if (value == endp || *endp) + badusage(_("invalid integer for --%s: '%.250s'"), cip->olong, value); + if (newpartsize <= 0 || newpartsize > (INT_MAX >> 10) || errno == ERANGE) + badusage(_("part size is far too large or is not positive")); + + opt_maxpartsize = newpartsize << 10; + if (opt_maxpartsize <= HEADERALLOWANCE) + badusage(_("part size must be at least %d KiB (to allow for header)"), + (HEADERALLOWANCE >> 10) + 1); +} + +static const struct cmdinfo cmdinfos[]= { + ACTION("split", 's', 0, do_split), + ACTION("join", 'j', 0, do_join), + ACTION("info", 'I', 0, do_info), + ACTION("auto", 'a', 0, do_auto), + ACTION("listq", 'l', 0, do_queue), + ACTION("discard", 'd', 0, do_discard), + + { "help", '?', 0, NULL, NULL, usage }, + { "version", 0, 0, NULL, NULL, printversion }, + { "depotdir", 0, 1, NULL, &opt_depotdir, NULL }, + { "partsize", 'S', 1, NULL, NULL, set_part_size }, + { "output", 'o', 1, NULL, &opt_outputfile, NULL }, + { "npquiet", 'Q', 0, &opt_npquiet, NULL, NULL, 1 }, + { "msdos", 0, 0, &opt_msdos, NULL, NULL, 1 }, + { NULL, 0 } +}; + +int main(int argc, const char *const *argv) { + int ret; + + dpkg_locales_init(PACKAGE); + dpkg_program_init(SPLITTER); + dpkg_options_parse(&argv, cmdinfos, printforhelp); + + admindir = dpkg_db_set_dir(admindir); + if (opt_depotdir == NULL) + opt_depotdir = dpkg_db_get_path(PARTSDIR); + + if (!cipaction) badusage(_("need an action option")); + + ret = cipaction->action(argv); + + m_output(stderr, _("<standard error>")); + + dpkg_program_done(); + + return ret; +} |