/* $OpenBSD: mknod.c,v 1.3 1996/08/02 11:16:47 deraadt Exp $ */ /* $NetBSD: mknod.c,v 1.8 1995/08/11 00:08:18 jtc Exp $ */ /* * 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 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 char rcsid[] = "$OpenBSD: mknod.c,v 1.3 1996/08/02 11:16:47 deraadt Exp $"; #endif #endif /* not lint */ #include <sys/types.h> #include <sys/stat.h> #include <stdio.h> #include <stdlib.h> #include <unistd.h> #include <err.h> static void usage(); int main(argc, argv) int argc; char **argv; { dev_t dev; char *endp; u_int major, minor; mode_t mode; if (argc != 5) { usage(); /* NOTREACHED */ } 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'."); /* NOTREACHED */ } major = (long)strtoul(argv[3], &endp, 0); if (endp == argv[3] || *endp != '\0') { errx(1, "non-numeric major number."); /* NOTREACHED */ } minor = (long)strtoul(argv[4], &endp, 0); if (endp == argv[3] || *endp != '\0') { errx(1, "non-numeric minor number."); /* NOTREACHED */ } dev = makedev(major, minor); if (major(dev) != major || minor(dev) != minor) { errx(1, "major or minor number too large"); /* NOTREACHED */ } if (mknod(argv[1], mode, dev) < 0) { err(1, "%s", argv[1]); /* NOTREACHED */ } exit(0); } void usage() { fprintf(stderr, "usage: mknod name [b | c] major minor\n"); exit(1); }