blob: a2ab08a9f384683663d5704bc99cc7bb8112aede (
plain) (
blame)
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
|
/*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rtems.com/license/LICENSE.
*/
#if HAVE_CONFIG_H
#include "config.h"
#endif
#include <sys/stat.h>
#include <stdlib.h>
#include <string.h>
#include "devfs.h"
int devFS_mknod(
const rtems_filesystem_location_info_t *parentloc,
const char *name,
size_t namelen,
mode_t mode,
dev_t dev
)
{
int rv = 0;
if (namelen != 3 || name [0] != 'd' || name [1] != 'e' || name [2] != 'v') {
if (S_ISBLK(mode) || S_ISCHR(mode)) {
char *dupname = malloc(namelen);
if (dupname != NULL) {
devFS_node *node = parentloc->node_access;
node->name = dupname;
node->namelen = namelen;
node->major = rtems_filesystem_dev_major_t(dev);
node->minor = rtems_filesystem_dev_minor_t(dev);
node->mode = mode;
memcpy(dupname, name, namelen);
} else {
errno = ENOMEM;
rv = -1;
}
} else {
errno = ENOTSUP;
rv = -1;
}
} else {
if (!S_ISDIR(mode)) {
errno = ENOTSUP;
rv = -1;
}
}
return rv;
}
|