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
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
|
/* 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:
show_usage();
}
argc--;
argv++;
}
if (argc != 4 && argc != 2) {
show_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) {
show_usage();
}
break;
default:
show_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;
}
|
