mirror of
https://git.FreeBSD.org/src.git
synced 2024-12-15 10:17:20 +00:00
105 lines
3.3 KiB
C
105 lines
3.3 KiB
C
/*
|
|
* Copyright (c) 1989, 1993
|
|
* The Regents of the University of California. All rights reserved.
|
|
*
|
|
* This code is derived from software contributed to Berkeley by
|
|
* Kevin Fall.
|
|
*
|
|
* 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 University of
|
|
* California, Berkeley and its contributors.
|
|
* 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.
|
|
*/
|
|
|
|
#ifndef lint
|
|
static const char copyright[] =
|
|
"@(#) Copyright (c) 1989, 1993\n\
|
|
The Regents of the University of California. All rights reserved.\n";
|
|
#endif /* not lint */
|
|
|
|
#ifndef lint
|
|
#if 0
|
|
static char sccsid[] = "@(#)mknod.c 8.1 (Berkeley) 6/5/93";
|
|
#else
|
|
static const char rcsid[] =
|
|
"$Id: mknod.c,v 1.6 1997/03/12 19:03:40 bde Exp $";
|
|
#endif
|
|
#endif /* not lint */
|
|
|
|
#include <sys/types.h>
|
|
#include <sys/stat.h>
|
|
|
|
#include <errno.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <unistd.h>
|
|
#include <err.h>
|
|
|
|
int
|
|
main(argc, argv)
|
|
int argc;
|
|
char **argv;
|
|
{
|
|
dev_t dev;
|
|
char *endp;
|
|
long major, minor;
|
|
mode_t mode;
|
|
int range_error;
|
|
|
|
if (argc != 5) {
|
|
(void)fprintf(stderr,
|
|
"usage: mknod name [b | c] major minor\n");
|
|
exit(1);
|
|
}
|
|
|
|
mode = 0666;
|
|
if (argv[2][0] == 'c')
|
|
mode |= S_IFCHR;
|
|
else if (argv[2][0] == 'b')
|
|
mode |= S_IFBLK;
|
|
else
|
|
errx(1, "node must be type 'b' or 'c'");
|
|
|
|
errno = 0;
|
|
major = (long)strtoul(argv[3], &endp, 0);
|
|
if (endp == argv[3] || *endp != '\0')
|
|
errx(1, "%s: non-numeric major number", argv[3]);
|
|
range_error = errno;
|
|
errno = 0;
|
|
minor = (long)strtoul(argv[4], &endp, 0);
|
|
if (endp == argv[4] || *endp != '\0')
|
|
errx(1, "%s: non-numeric minor number", argv[4]);
|
|
range_error |= errno;
|
|
dev = makedev(major, minor);
|
|
if (range_error || major(dev) != major || minor(dev) != minor)
|
|
errx(1, "major or minor number too large");
|
|
|
|
if (mknod(argv[1], mode, dev) != 0)
|
|
err(1, "%s", argv[1]);
|
|
exit(0);
|
|
}
|