Contents of /trunk/mkinitrd-magellan/busybox/coreutils/mknod.c
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Sat Sep 1 22:45:15 2007 UTC (17 years ago) by niro
File MIME type: text/plain
File size: 1235 byte(s)
Sat Sep 1 22:45:15 2007 UTC (17 years ago) by niro
File MIME type: text/plain
File size: 1235 byte(s)
-import if magellan mkinitrd; it is a fork of redhats mkinitrd-5.0.8 with all magellan patches and features; deprecates magellan-src/mkinitrd
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 | * Licensed under GPLv2 or later, see file LICENSE in this tarball for details. |
8 | */ |
9 | |
10 | /* BB_AUDIT SUSv3 N/A -- Matches GNU behavior. */ |
11 | |
12 | #include <sys/sysmacros.h> // For makedev |
13 | |
14 | #include "busybox.h" |
15 | #include "libcoreutils/coreutils.h" |
16 | |
17 | static const char modes_chars[] = { 'p', 'c', 'u', 'b', 0, 1, 1, 2 }; |
18 | static const mode_t modes_cubp[] = { S_IFIFO, S_IFCHR, S_IFBLK }; |
19 | |
20 | int mknod_main(int argc, char **argv) |
21 | { |
22 | mode_t mode; |
23 | dev_t dev; |
24 | const char *name; |
25 | |
26 | mode = getopt_mk_fifo_nod(argc, argv); |
27 | argv += optind; |
28 | argc -= optind; |
29 | |
30 | if ((argc >= 2) && ((name = strchr(modes_chars, argv[1][0])) != NULL)) { |
31 | mode |= modes_cubp[(int)(name[4])]; |
32 | |
33 | dev = 0; |
34 | if ((*name != 'p') && ((argc -= 2) == 2)) { |
35 | /* Autodetect what the system supports; these macros should |
36 | * optimize out to two constants. */ |
37 | dev = makedev(xatoul_range(argv[2], 0, major(UINT_MAX)), |
38 | xatoul_range(argv[3], 0, minor(UINT_MAX))); |
39 | } |
40 | |
41 | if (argc == 2) { |
42 | name = *argv; |
43 | if (mknod(name, mode, dev) == 0) { |
44 | return EXIT_SUCCESS; |
45 | } |
46 | bb_perror_msg_and_die("%s", name); |
47 | } |
48 | } |
49 | bb_show_usage(); |
50 | } |