| /* vi: set sw=4 ts=4: */ |
| /* |
| * Mini mknod implementation for busybox |
| * |
| * Copyright (C) 1995, 1996 by Bruce Perens <bruce@pixar.com>. |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; either version 2 of the License, or |
| * (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| * |
| */ |
| |
| #include "busybox.h" |
| #include <stdio.h> |
| #include <errno.h> |
| #include <sys/types.h> |
| #include <fcntl.h> |
| #include <unistd.h> |
| #include <string.h> |
| #include <stdlib.h> |
| |
| int mknod_main(int argc, char **argv) |
| { |
| char *thisarg; |
| mode_t mode = 0; |
| mode_t perm = 0666; |
| dev_t dev = 0; |
| |
| argc--; |
| argv++; |
| |
| /* Parse any options */ |
| while (argc > 1) { |
| if (**argv != '-') |
| break; |
| thisarg = *argv; |
| thisarg++; |
| switch (*thisarg) { |
| case 'm': |
| argc--; |
| argv++; |
| parse_mode(*argv, &perm); |
| umask(0); |
| break; |
| default: |
| usage(mknod_usage); |
| } |
| argc--; |
| argv++; |
| } |
| if (argc != 4 && argc != 2) { |
| usage(mknod_usage); |
| } |
| switch (argv[1][0]) { |
| case 'c': |
| case 'u': |
| mode = S_IFCHR; |
| break; |
| case 'b': |
| mode = S_IFBLK; |
| break; |
| case 'p': |
| mode = S_IFIFO; |
| if (argc!=2) { |
| usage(mknod_usage); |
| } |
| break; |
| default: |
| usage(mknod_usage); |
| } |
| |
| if (mode == S_IFCHR || mode == S_IFBLK) { |
| dev = (atoi(argv[2]) << 8) | atoi(argv[3]); |
| } |
| |
| mode |= perm; |
| |
| if (mknod(argv[0], mode, dev) != 0) |
| perror_msg_and_die("%s", argv[0]); |
| return EXIT_SUCCESS; |
| } |
| |