1/* vi: set sw=4 ts=4: */ 2/* 3 * Mini mknod implementation for busybox 4 * 5 * Copyright (C) 1995, 1996 by Bruce Perens <bruce@pixar.com>. 6 * 7 * This program is free software; you can redistribute it and/or modify 8 * it under the terms of the GNU General Public License as published by 9 * the Free Software Foundation; either version 2 of the License, or 10 * (at your option) any later version. 11 * 12 * This program is distributed in the hope that it will be useful, 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 15 * General Public License for more details. 16 * 17 * You should have received a copy of the GNU General Public License 18 * along with this program; if not, write to the Free Software 19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 20 * 21 */ 22 23#include <stdio.h> 24#include <errno.h> 25#include <fcntl.h> 26#include <unistd.h> 27#include <string.h> 28#include <stdlib.h> 29#include <sys/types.h> 30#include "busybox.h" 31 32int mknod_main(int argc, char **argv) 33{ 34 char *thisarg; 35 mode_t mode = 0; 36 mode_t perm = 0666; 37 dev_t dev = 0; 38 39 argc--; 40 argv++; 41 42 /* Parse any options */ 43 while (argc > 1) { 44 if (**argv != '-') 45 break; 46 thisarg = *argv; 47 thisarg++; 48 switch (*thisarg) { 49 case 'm': 50 argc--; 51 argv++; 52 parse_mode(*argv, &perm); 53 umask(0); 54 break; 55 default: 56 show_usage(); 57 } 58 argc--; 59 argv++; 60 } 61 if (argc != 4 && argc != 2) { 62 show_usage(); 63 } 64 switch (argv[1][0]) { 65 case 'c': 66 case 'u': 67 mode = S_IFCHR; 68 break; 69 case 'b': 70 mode = S_IFBLK; 71 break; 72 case 'p': 73 mode = S_IFIFO; 74 if (argc!=2) { 75 show_usage(); 76 } 77 break; 78 default: 79 show_usage(); 80 } 81 82 if (mode == S_IFCHR || mode == S_IFBLK) { 83 dev = (atoi(argv[2]) << 8) | atoi(argv[3]); 84 } 85 86 mode |= perm; 87 88 if (mknod(argv[0], mode, dev) != 0) 89 perror_msg_and_die("%s", argv[0]); 90 return EXIT_SUCCESS; 91} 92 93