NetBSD/usr.bin/netgroup/netgroup.c

93 lines
2.8 KiB
C

/* $NetBSD: netgroup.c,v 1.3 2001/02/19 23:03:49 cgd Exp $ */
/*-
* Copyright (c) 1999 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Christos Zoulas.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the NetBSD
* Foundation, Inc. and its contributors.
* 4. Neither the name of The NetBSD Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include <sys/cdefs.h>
__RCSID("$NetBSD: netgroup.c,v 1.3 2001/02/19 23:03:49 cgd Exp $");
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <netgroup.h>
static void usage __P((void)) __attribute__((__noreturn__));
int main __P((int, char *[]));
static void
usage()
{
(void)fprintf(stderr, "Usage: %s [-hud] <netgroup>\n", getprogname());
exit(1);
}
int
main(argc, argv)
int argc;
char *argv[];
{
int c, i = 0;
const char *p[3];
while ((c = getopt(argc, argv, "hud")) != -1)
switch (c) {
case 'h':
i = 0;
break;
case 'u':
i = 1;
break;
case 'd':
i = 2;
break;
default:
usage();
}
if (optind >= argc)
usage();
for(; optind < argc; optind++) {
setnetgrent(argv[optind]);
while (getnetgrent(&p[0], &p[1], &p[2]))
if (p[i])
printf("%s\n", p[i]);
endnetgrent();
}
return 0;
}