blob: cb5980b95a2208edf0d197b8d9e95f6f868c81dd [file] [log] [blame]
Erik Andersene49d5ec2000-02-08 19:58:47 +00001/* vi: set sw=4 ts=4: */
Eric Andersenc4996011999-10-20 22:08:37 +00002/*
Manuel Novoa III cad53642003-03-19 09:13:01 +00003 * mknod implementation for busybox
Eric Andersenc4996011999-10-20 22:08:37 +00004 *
Manuel Novoa III cad53642003-03-19 09:13:01 +00005 * Copyright (C) 2003 Manuel Novoa III <mjn3@codepoet.org>
Eric Andersenc4996011999-10-20 22:08:37 +00006 *
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
Manuel Novoa III cad53642003-03-19 09:13:01 +000023/* BB_AUDIT SUSv3 N/A -- Matches GNU behavior. */
24
Eric Andersened3ef502001-01-27 08:24:39 +000025#include <stdlib.h>
Manuel Novoa III cad53642003-03-19 09:13:01 +000026#include <string.h>
Glenn L McGratha199b172002-08-23 03:37:07 +000027#include <sys/stat.h>
Manuel Novoa III cad53642003-03-19 09:13:01 +000028#include <unistd.h>
Eric Andersencbe31da2001-02-20 06:14:08 +000029#include "busybox.h"
Manuel Novoa III cad53642003-03-19 09:13:01 +000030#include "libcoreutils/coreutils.h"
Eric Andersencc8ed391999-10-05 16:24:54 +000031
Manuel Novoa III cad53642003-03-19 09:13:01 +000032static const char modes_chars[] = { 'p', 'c', 'u', 'b', 0, 1, 1, 2 };
33static const mode_t modes_cubp[] = { S_IFIFO, S_IFCHR, S_IFBLK };
34
Rob Landleydfba7412006-03-06 20:47:33 +000035int mknod_main(int argc, char **argv)
Eric Andersencc8ed391999-10-05 16:24:54 +000036{
Manuel Novoa III cad53642003-03-19 09:13:01 +000037 mode_t mode;
38 dev_t dev;
39 const char *name;
Eric Andersencc8ed391999-10-05 16:24:54 +000040
Manuel Novoa III cad53642003-03-19 09:13:01 +000041 mode = getopt_mk_fifo_nod(argc, argv);
42 argv += optind;
43 argc -= optind;
Erik Andersen5e1189e2000-04-15 16:34:54 +000044
Manuel Novoa III cad53642003-03-19 09:13:01 +000045 if ((argc >= 2) && ((name = strchr(modes_chars, argv[1][0])) != NULL)) {
46 mode |= modes_cubp[(int)(name[4])];
47
48 dev = 0;
Manuel Novoa III 0c236a02003-04-03 19:29:11 +000049 if ((*name != 'p') && ((argc -= 2) == 2)) {
Rob Landley1f5e25b2006-03-06 19:31:39 +000050 /* Autodetect what the system supports; thexe macros should
51 * optimize out to two constants. */
52 dev = makedev(bb_xgetularg10_bnd(argv[2], 0, major(UINT_MAX)),
53 bb_xgetularg10_bnd(argv[3], 0, minor(UINT_MAX)));
Erik Andersen5e1189e2000-04-15 16:34:54 +000054 }
Eric Andersenc7bda1c2004-03-15 08:29:22 +000055
Manuel Novoa III cad53642003-03-19 09:13:01 +000056 if (argc == 2) {
57 name = *argv;
58 if (mknod(name, mode, dev) == 0) {
59 return EXIT_SUCCESS;
60 }
61 bb_perror_msg_and_die("%s", name);
Erik Andersen5e1189e2000-04-15 16:34:54 +000062 }
Eric Andersencc8ed391999-10-05 16:24:54 +000063 }
Manuel Novoa III cad53642003-03-19 09:13:01 +000064 bb_show_usage();
Eric Andersencc8ed391999-10-05 16:24:54 +000065}