source: MondoRescue/branches/stable/mindi-busybox/coreutils/mknod.c @ 821

Last change on this file since 821 was 821, checked in by Bruno Cornec, 14 years ago

Addition of busybox 1.2.1 as a mindi-busybox new package
This should avoid delivering binary files in mindi not built there (Fedora and Debian are quite serious about that)

File size: 1.9 KB
Line 
1/* vi: set sw=4 ts=4: */
2/*
3 * mknod implementation for busybox
4 *
5 * Copyright (C) 2003  Manuel Novoa III  <mjn3@codepoet.org>
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/* BB_AUDIT SUSv3 N/A -- Matches GNU behavior. */
24
25#include <stdlib.h>
26#include <string.h>
27#include <sys/stat.h>
28#include <sys/sysmacros.h>  // For makedev
29#include <unistd.h>
30#include "busybox.h"
31#include "libcoreutils/coreutils.h"
32
33static const char modes_chars[] = { 'p', 'c', 'u', 'b', 0, 1, 1, 2 };
34static const mode_t modes_cubp[] = { S_IFIFO, S_IFCHR, S_IFBLK };
35
36int mknod_main(int argc, char **argv)
37{
38    mode_t mode;
39    dev_t dev;
40    const char *name;
41
42    mode = getopt_mk_fifo_nod(argc, argv);
43    argv += optind;
44    argc -= optind;
45
46    if ((argc >= 2) && ((name = strchr(modes_chars, argv[1][0])) != NULL)) {
47        mode |= modes_cubp[(int)(name[4])];
48
49        dev = 0;
50        if ((*name != 'p') && ((argc -= 2) == 2)) {
51            /* Autodetect what the system supports; thexe macros should
52             * optimize out to two constants. */
53            dev = makedev(bb_xgetularg10_bnd(argv[2], 0, major(UINT_MAX)),
54                          bb_xgetularg10_bnd(argv[3], 0, minor(UINT_MAX)));
55        }
56
57        if (argc == 2) {
58            name = *argv;
59            if (mknod(name, mode, dev) == 0) {
60                return EXIT_SUCCESS;
61            }
62            bb_perror_msg_and_die("%s", name);
63        }
64    }
65    bb_show_usage();
66}
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