1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
|
/* vi: set sw=4 ts=4: */
/*
* mknod implementation for busybox
*
* Copyright (C) 2003 Manuel Novoa III <mjn3@codepoet.org>
*
* Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
*/
/* BB_AUDIT SUSv3 N/A -- Matches GNU behavior. */
#include <sys/sysmacros.h> // For makedev
#include "libbb.h"
#include "libcoreutils/coreutils.h"
static const char modes_chars[] ALIGN1 = { 'p', 'c', 'u', 'b', 0, 1, 1, 2 };
static const mode_t modes_cubp[] = { S_IFIFO, S_IFCHR, S_IFBLK };
int mknod_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
int mknod_main(int argc, char **argv)
{
mode_t mode;
dev_t dev;
const char *name;
mode = getopt_mk_fifo_nod(argc, argv);
argv += optind;
argc -= optind;
if ((argc >= 2) && ((name = strchr(modes_chars, argv[1][0])) != NULL)) {
mode |= modes_cubp[(int)(name[4])];
dev = 0;
if ((*name != 'p') && ((argc -= 2) == 2)) {
/* Autodetect what the system supports; these macros should
* optimize out to two constants. */
dev = makedev(xatoul_range(argv[2], 0, major(UINT_MAX)),
xatoul_range(argv[3], 0, minor(UINT_MAX)));
}
if (argc == 2) {
name = *argv;
if (mknod(name, mode, dev) == 0) {
return EXIT_SUCCESS;
}
bb_simple_perror_msg_and_die(name);
}
}
bb_show_usage();
}
|
