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, 1995 Ian Lance Taylor
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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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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The author of the program may be contacted at ian@airs.com or
c/o Cygnus Support, 48 Grove Street, Somerville, MA 02144.
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*/
#include "uucp.h"
#if USE_RCS_ID
const char uuname_rcsid[] = "$Id: uuname.c,v 1.3 1995/08/24 05:23:24 jtc Exp $";
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#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));
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/* 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 }
};
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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,
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(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, 92, 93, 94, 1995 Ian Lance Taylor\n",
zProgram, VERSION);
exit (EXIT_SUCCESS);
/*NOTREACHED*/
case 1:
/* --help. */
unhelp ();
exit (EXIT_SUCCESS);
/*NOTREACHED*/
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case 0:
/* Long option found and flag set. */
break;
default:
unusage ();
/*NOTREACHED*/
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}
}
if (optind != argc)
unusage ();
iuuconf = uuconf_init (&puuconf, (const char *) NULL, zconfig);
if (iuuconf != UUCONF_SUCCESS)
ulog_uuconf (LOG_FATAL, puuconf, iuuconf);
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#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);
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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);
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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);
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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);
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exit (EXIT_FAILURE);
}
/* Print a help message. */
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static void unhelp ()
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{
printf ("Taylor UUCP %s, copyright (C) 1991, 92, 93, 94, 1995 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");
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}