NetBSD/gnu/libexec/uucp/uuname/uuname.c

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/* uuname.c
List the names of known remote UUCP sites.
Copyright (C) 1991, 1992, 1993, 1994 Ian Lance Taylor
This file is part of the Taylor UUCP package.
This program 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 program 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, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
The author of the program may be contacted at ian@airs.com or
c/o Cygnus Support, Building 200, 1 Kendall Square, Cambridge, MA 02139.
*/
#include "uucp.h"
#if USE_RCS_ID
const char uuname_rcsid[] = "$Id: uuname.c,v 1.2 1994/10/24 22:29:11 jtc Exp $";
#endif
#include "getopt.h"
#include "uudefs.h"
#include "uuconf.h"
#include "system.h"
/* Local functions. */
static void unusage P((void));
static void unhelp P((void));
/* Long getopt options. */
static const struct option asNlongopts[] =
{
{ "aliases", no_argument, NULL, 'a' },
{ "local", no_argument, NULL, 'l' },
{ "config", required_argument, NULL, 'I' },
{ "debug", required_argument, NULL, 'x' },
{ "version", no_argument, NULL, 'v' },
{ "help", no_argument, NULL, 1 },
{ NULL, 0, NULL, 0 }
};
int
main (argc, argv)
int argc;
char **argv;
{
/* -a: display aliases. */
boolean falias = FALSE;
/* -l: if true, output local node name. */
boolean flocal = FALSE;
/* -I: configuration file name. */
const char *zconfig = NULL;
int iopt;
pointer puuconf;
int iuuconf;
zProgram = argv[0];
while ((iopt = getopt_long (argc, argv, "alI:vx:", asNlongopts,
(int *) NULL)) != EOF)
{
switch (iopt)
{
case 'a':
/* Display aliases. */
falias = TRUE;
break;
case 'l':
/* Output local node name. */
flocal = TRUE;
break;
case 'I':
/* Configuration file name. */
if (fsysdep_other_config (optarg))
zconfig = optarg;
break;
case 'x':
#if DEBUG > 1
/* Set debugging level. */
iDebug |= idebug_parse (optarg);
#endif
break;
case 'v':
/* Print version and exit. */
printf ("%s: Taylor UUCP %s, copyright (C) 1991, 1992, 1993, 1994 Ian Lance Taylor\n",
zProgram, VERSION);
exit (EXIT_SUCCESS);
/*NOTREACHED*/
case 1:
/* --help. */
unhelp ();
exit (EXIT_SUCCESS);
/*NOTREACHED*/
case 0:
/* Long option found and flag set. */
break;
default:
unusage ();
/*NOTREACHED*/
}
}
if (optind != argc)
unusage ();
iuuconf = uuconf_init (&puuconf, (const char *) NULL, zconfig);
if (iuuconf != UUCONF_SUCCESS)
ulog_uuconf (LOG_FATAL, puuconf, iuuconf);
#if DEBUG > 1
{
const char *zdebug;
iuuconf = uuconf_debuglevel (puuconf, &zdebug);
if (iuuconf != UUCONF_SUCCESS)
ulog_uuconf (LOG_FATAL, puuconf, iuuconf);
if (zdebug != NULL)
iDebug |= idebug_parse (zdebug);
}
#endif
usysdep_initialize (puuconf, INIT_SUID | INIT_NOCHDIR);
if (flocal)
{
const char *zlocalname;
iuuconf = uuconf_localname (puuconf, &zlocalname);
if (iuuconf == UUCONF_NOT_FOUND)
{
zlocalname = zsysdep_localname ();
if (zlocalname == NULL)
usysdep_exit (FALSE);
}
else if (iuuconf != UUCONF_SUCCESS)
ulog_uuconf (LOG_FATAL, puuconf, iuuconf);
printf ("%s\n", zlocalname);
}
else
{
char **pznames, **pz;
iuuconf = uuconf_system_names (puuconf, &pznames, falias);
if (iuuconf != UUCONF_SUCCESS)
ulog_uuconf (LOG_FATAL, puuconf, iuuconf);
for (pz = pznames; *pz != NULL; pz++)
printf ("%s\n", *pz);
}
usysdep_exit (TRUE);
/* Avoid warnings about not returning a value. */
return 0;
}
/* Print a usage message and die. */
static void
unusage ()
{
fprintf (stderr,
"Usage: %s [-a] [-l] [-I file]\n", zProgram);
fprintf (stderr, "Use %s --help for help\n", zProgram);
exit (EXIT_FAILURE);
}
/* Print a help message. */
static void unhelp ()
{
printf ("Taylor UUCP %s, copyright (C) 1991, 1992, 1993, 1994 Ian Lance Taylor\n",
VERSION);
printf ("Usage: %s [-a] [-l] [-I file]\n", zProgram);
printf (" -a,--aliases: display aliases\n");
printf (" -l,--local: print local name\n");
#if HAVE_TAYLOR_CONFIG
printf (" -I,--config file: Set configuration file to use\n");
#endif /* HAVE_TAYLOR_CONFIG */
printf (" -v,--version: Print version and exit\n");
printf (" --help: Print help and exit\n");
}