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/* This file is part of GDBM, the GNU data base manager.
Copyright (C) 2011-2024 Free Software Foundation, Inc.
GDBM 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 3, or (at your option)
any later version.
GDBM 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 GDBM. If not, see <http://www.gnu.org/licenses/>. */
# include "autoconf.h"
# include "gdbm.h"
# include "gdbmapp.h"
# include "gdbmdefs.h"
char *parseopt_program_doc = N_("dump a GDBM database to a file");
char *parseopt_program_args = N_("DB_FILE [FILE]");
struct gdbm_option optab[] = {
{ 'H', "format", "binary|ascii|0|1", N_("select dump format") },
{ 0 }
};
int format = GDBM_DUMP_FMT_ASCII;
int
main (int argc, char **argv)
{
GDBM_FILE dbf;
int rc, opt;
char *dbname, *filename;
FILE *fp;
#ifdef HAVE_SETLOCALE
setlocale (LC_ALL, "");
#endif
bindtextdomain (PACKAGE, LOCALEDIR);
textdomain (PACKAGE);
set_progname (argv[0]);
for (opt = parseopt_first (argc, argv, optab);
opt != EOF;
opt = parseopt_next ())
{
switch (opt)
{
case 'H':
if (strcmp (optarg, "binary") == 0)
format = GDBM_DUMP_FMT_BINARY;
else if (strcmp (optarg, "ascii") == 0)
format = GDBM_DUMP_FMT_ASCII;
else
{
char *p;
unsigned long n;
errno = 0;
n = strtoul (optarg, &p, 10);
if (errno || *p != 0)
{
error (_("unknown dump format"));
exit (EXIT_USAGE);
}
switch (n)
{
case GDBM_DUMP_FMT_BINARY:
case GDBM_DUMP_FMT_ASCII:
format = n;
break;
default:
error (_("unknown dump format"));
exit (EXIT_USAGE);
}
}
break;
default:
error (_("unknown option"));
exit (EXIT_USAGE);
}
}
argc -= optind;
argv += optind;
if (argc == 0)
{
parseopt_print_help ();
exit (EXIT_OK);
}
if (argc > 2)
{
error (_("too many arguments; try `%s -h' for more info"), progname);
exit (EXIT_USAGE);
}
dbname = argv[0];
if (argc == 2)
filename = argv[1];
else
filename = NULL;
if (!filename || strcmp (filename, "-") == 0)
{
filename = "<stdout>";
fp = stdout;
}
else
{
fp = fopen (filename, "w");
if (!fp)
{
sys_perror (errno, _("cannot open %s"), filename);
exit (EXIT_FATAL);
}
}
dbf = gdbm_open (dbname, 0, GDBM_READER, 0600, NULL);
if (!dbf)
{
gdbm_perror (_("gdbm_open failed"));
exit (EXIT_FATAL);
}
rc = gdbm_dump_to_file (dbf, fp, format);
if (rc)
{
gdbm_perror (_("%s: dump error"), filename);
}
gdbm_close (dbf);
exit (rc == GDBM_NO_ERROR ? EXIT_OK : EXIT_FATAL);
}
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