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/*
* 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);
}
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