mirror of
https://git.FreeBSD.org/src.git
synced 2024-12-22 11:17:19 +00:00
106 lines
3.0 KiB
C
106 lines
3.0 KiB
C
/*
|
|
* Copyright (c) 1989, 1993, 1994
|
|
* The Regents of the University of California. All rights reserved.
|
|
* Copyright (c) 2008 Cisco Systems, All rights reserved
|
|
*
|
|
* 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.
|
|
* 4. Neither the name of the University 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 REGENTS 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 REGENTS 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.
|
|
*
|
|
* setfib file skelaton taken from nice.c
|
|
*/
|
|
|
|
#include <sys/cdefs.h>
|
|
__FBSDID("$FreeBSD$");
|
|
|
|
#include <ctype.h>
|
|
#include <err.h>
|
|
#include <errno.h>
|
|
#include <limits.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <unistd.h>
|
|
#include <sys/socket.h>
|
|
#include <sys/sysctl.h>
|
|
|
|
static void usage(void);
|
|
|
|
int
|
|
main(int argc, char *argv[])
|
|
{
|
|
long fib = 0;
|
|
int ch;
|
|
char *ep;
|
|
int numfibs;
|
|
size_t intsize = sizeof(int);
|
|
|
|
if (sysctlbyname("net.fibs", &numfibs, &intsize, NULL, 0) == -1)
|
|
errx(1, "Multiple FIBS not supported");
|
|
if (argc < 2)
|
|
usage();
|
|
ep = argv[1];
|
|
/*
|
|
* convert -N or N to -FN. (N is a number)
|
|
*/
|
|
if (ep[0]== '-' && isdigit((unsigned char)ep[1]))
|
|
ep++;
|
|
if (isdigit((unsigned char)*ep))
|
|
if (asprintf(&argv[1], "-F%s", ep) < 0)
|
|
err(1, "asprintf");
|
|
|
|
while ((ch = getopt(argc, argv, "F:")) != -1) {
|
|
switch (ch) {
|
|
case 'F':
|
|
errno = 0;
|
|
fib = strtol(optarg, &ep, 10);
|
|
if (ep == optarg || *ep != '\0' || errno ||
|
|
fib < 0 || fib >= numfibs)
|
|
errx(1, "%s: invalid FIB (max %d)",
|
|
optarg, numfibs - 1);
|
|
break;
|
|
default:
|
|
usage();
|
|
}
|
|
}
|
|
argc -= optind;
|
|
argv += optind;
|
|
|
|
if (argc == 0)
|
|
usage();
|
|
|
|
errno = 0;
|
|
if (setfib((int)fib))
|
|
warn("setfib");
|
|
execvp(*argv, argv);
|
|
err(errno == ENOENT ? 127 : 126, "%s", *argv);
|
|
}
|
|
|
|
static void
|
|
usage(void)
|
|
{
|
|
|
|
(void)fprintf(stderr,
|
|
"usage: setfib [-[F]]value command\n");
|
|
exit(1);
|
|
}
|