source:
rtems/c/src/libfs/src/imfs/imfs_mknod.c
@
c058578
Last change on this file since c058578 was c058578, checked in by Joel Sherrill <joel.sherrill@…>, on 11/01/00 at 21:02:46 | |
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File size: 1.6 KB |
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1 | /* |
2 | * IMFS_mknod |
3 | * |
4 | * Routine to create a node in the IMFS file system. |
5 | * |
6 | * COPYRIGHT (c) 1989-1999. |
7 | * On-Line Applications Research Corporation (OAR). |
8 | * |
9 | * The license and distribution terms for this file may be |
10 | * found in the file LICENSE in this distribution or at |
11 | * http://www.OARcorp.com/rtems/license.html. |
12 | * |
13 | * $Id$ |
14 | */ |
15 | |
16 | #include <sys/types.h> |
17 | #include <sys/stat.h> |
18 | #include <fcntl.h> |
19 | #include <unistd.h> |
20 | #include <errno.h> |
21 | #include <stdlib.h> |
22 | |
23 | #include "imfs.h" |
24 | #include <rtems/libio_.h> |
25 | |
26 | int IMFS_mknod( |
27 | const char *token, /* IN */ |
28 | mode_t mode, /* IN */ |
29 | dev_t dev, /* IN */ |
30 | rtems_filesystem_location_info_t *pathloc /* IN/OUT */ |
31 | ) |
32 | { |
33 | IMFS_token_types type = 0; |
34 | IMFS_jnode_t *new_node; |
35 | int result; |
36 | char new_name[ IMFS_NAME_MAX + 1 ]; |
37 | IMFS_types_union info; |
38 | |
39 | IMFS_get_token( token, new_name, &result ); |
40 | |
41 | /* |
42 | * Figure out what type of IMFS node this is. |
43 | */ |
44 | |
45 | if ( S_ISDIR(mode) ) |
46 | type = IMFS_DIRECTORY; |
47 | else if ( S_ISREG(mode) ) |
48 | type = IMFS_MEMORY_FILE; |
49 | else if ( S_ISBLK(mode) || S_ISCHR(mode) ) { |
50 | type = IMFS_DEVICE; |
51 | rtems_filesystem_split_dev_t( dev, info.device.major, info.device.minor ); |
52 | } else { |
53 | set_errno_and_return_minus_one( EINVAL ); |
54 | } |
55 | |
56 | /* |
57 | * Allocate and fill in an IMFS jnode |
58 | */ |
59 | |
60 | new_node = IMFS_create_node( |
61 | pathloc, |
62 | type, |
63 | new_name, |
64 | mode, |
65 | &info |
66 | ); |
67 | |
68 | if ( !new_node ) |
69 | set_errno_and_return_minus_one( ENOMEM ); |
70 | |
71 | return 0; |
72 | } |
73 |
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