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/*
* dpkg-split - splitting and joining of multipart *.deb archives
* main.c - main program
*
* Copyright (C) 1995 Ian Jackson <iwj10@cus.cam.ac.uk>
*
* 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,
* 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 dpkg; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <string.h>
#include <stdio.h>
#include <stdlib.h>
#include <limits.h>
#include <assert.h>
#include <config.h>
#include <dpkg.h>
#include <dpkg-db.h>
#include <version.h>
#include <myopt.h>
#include "dpkg-split.h"
static void printversion(void) {
if (fputs
(_("Debian Linux `dpkg-split' package split/join tool; version "), stdout) < 0) werr ("stdout");
if (fputs (DPKG_VERSION_ARCH ".\n", stdout) < 0) werr ("stdout");
if (fputs (_("Copyright (C) 1994-1996 Ian Jackson. This is free software; see the\n"
"GNU General Public Licence version 2 or later for copying conditions.\n"
"There is NO warranty. See dpkg-split --licence for details.\n"),
stdout) < 0) werr("stdout");
}
static void usage(void) {
if (fputs(_("\
Usage: dpkg-split -s|--split <file> [<prefix>] Split an archive.\n\
dpkg-split -j|--join <part> <part> ... Join parts together.\n\
dpkg-split -I|--info <part> ... Display info about a part.\n\
dpkg-split -h|--help|--version|--licence Show help/version/licence.\n\
\n\
dpkg-split -a|--auto -o <complete> <part> Auto-accumulate parts.\n\
dpkg-split -l|--listq List unmatched pieces.\n\
dpkg-split -d|--discard [<filename> ...] Discard unmatched pieces.\n\
\n\
Options: --depotdir <directory> (default is " ADMINDIR "/" PARTSDIR ")\n\
-S|--partsize <size> (in Kb, for -s, default is 450)\n\
-o|--output <file> (for -j, default is <package>-<version>.deb)\n\
-Q|--npquiet (be quiet when -a is not a part)\n\
--msdos (generate 8.3 filenames)\n\
\n\
Exit status: 0 = OK; 1 = -a is not a part; 2 = trouble!\n"),
stdout) < 0) werr("stdout");
}
const char thisname[]= SPLITTER;
const char printforhelp[]= N_("Type dpkg-split --help for help.");
dofunction *action=0;
const struct cmdinfo *cipaction=0;
long maxpartsize= SPLITPARTDEFMAX;
const char *depotdir= ADMINDIR "/" PARTSDIR, *outputfile= 0;
struct partqueue *queue= 0;
int npquiet= 0, msdos= 0;
void rerr(const char *fn) {
ohshite(_("error reading %s"),fn);
}
void rerreof(FILE *f, const char *fn) {
if (ferror(f)) ohshite(_("error reading %.250s"),fn);
ohshit(_("unexpected end of file in %.250s"),fn);
}
static void helponly(const struct cmdinfo *cip, const char *value) {
usage(); exit(0);
}
static void versiononly(const struct cmdinfo *cip, const char *value) {
printversion(); exit(0);
}
static void setaction(const struct cmdinfo *cip, const char *value);
static void setpartsize(const struct cmdinfo *cip, const char *value) {
long newpartsize;
char *endp;
newpartsize= strtol(value,&endp,10);
if (newpartsize <= 0 || newpartsize > (INT_MAX >> 10))
badusage(_("part size is far too large or is not positive"));
maxpartsize= newpartsize << 10;
if (maxpartsize <= HEADERALLOWANCE)
badusage(_("part size must be at least %dk (to allow for header)"),
(HEADERALLOWANCE >> 10) + 1);
}
static dofunction *const dofunctions[]= {
do_split,
do_join,
do_info,
do_auto,
do_queue,
do_discard,
};
/* NB: the entries using setaction must appear first and be in the
* same order as dofunctions:
*/
static const struct cmdinfo cmdinfos[]= {
{ "split", 's', 0, 0, 0, setaction },
{ "join", 'j', 0, 0, 0, setaction },
{ "info", 'I', 0, 0, 0, setaction },
{ "auto", 'a', 0, 0, 0, setaction },
{ "listq", 'l', 0, 0, 0, setaction },
{ "discard", 'd', 0, 0, 0, setaction },
{ "help", 'h', 0, 0, 0, helponly },
{ "version", 0, 0, 0, 0, versiononly },
{ "licence", 0, 0, 0, 0, showcopyright }, /* UK spelling */
{ "license", 0, 0, 0, 0, showcopyright }, /* US spelling */
{ "depotdir", 0, 1, 0, &depotdir, 0 },
{ "partsize", 'S', 1, 0, 0, setpartsize },
{ "output", 'o', 1, 0, &outputfile, 0 },
{ "npquiet", 'Q', 0, &npquiet, 0, 0, 1 },
{ "msdos", 0, 0, &msdos, 0, 0, 1 },
{ 0, 0 }
};
static void setaction(const struct cmdinfo *cip, const char *value) {
if (cipaction)
badusage(_("conflicting actions --%s and --%s"),cip->olong,cipaction->olong);
cipaction= cip;
assert(cip-cmdinfos < sizeof(dofunctions)*sizeof(dofunction*));
action= dofunctions[cip-cmdinfos];
}
int main(int argc, const char *const *argv) {
jmp_buf ejbuf;
int l;
char *p;
setlocale(LC_ALL, "");
bindtextdomain(PACKAGE, LOCALEDIR);
textdomain(PACKAGE);
if (setjmp(ejbuf)) { /* expect warning about possible clobbering of argv */
error_unwind(ehflag_bombout); exit(2);
}
push_error_handler(&ejbuf,print_error_fatal,0);
myopt(&argv,cmdinfos);
if (!cipaction) badusage(_("need an action option"));
l= strlen(depotdir);
if (l && depotdir[l-1] != '/') {
p= nfmalloc(l+2);
strcpy(p,depotdir);
strcpy(p+l,"/");
depotdir= p;
}
setvbuf(stdout,0,_IONBF,0);
action(argv);
if (ferror(stderr)) werr("stderr");
set_error_display(0,0);
error_unwind(ehflag_normaltidy);
exit(0);
}
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