source:
rtems/c/src/lib/libc/mknod.c
@
946178d
Last change on this file since 946178d was 9c3fa30, checked in by Joel Sherrill <joel.sherrill@…>, on 09/28/00 at 20:19:23 | |
---|---|
|
|
File size: 1.6 KB |
Line | |
---|---|
1 | /* |
2 | * mknod() |
3 | * |
4 | * This routine is not defined in the POSIX 1003.1b standard but is |
5 | * commonly supported on most UNIX and POSIX systems. It is the |
6 | * foundation for creating file system objects. |
7 | * |
8 | * COPYRIGHT (c) 1989-1999. |
9 | * On-Line Applications Research Corporation (OAR). |
10 | * |
11 | * The license and distribution terms for this file may be |
12 | * found in the file LICENSE in this distribution or at |
13 | * http://www.OARcorp.com/rtems/license.html. |
14 | * |
15 | * $Id$ |
16 | */ |
17 | |
18 | #include <sys/types.h> |
19 | #include <sys/stat.h> |
20 | #include <fcntl.h> |
21 | #include <unistd.h> |
22 | #include <errno.h> |
23 | #include <stdlib.h> |
24 | |
25 | #include "libio_.h" |
26 | |
27 | int mknod( |
28 | const char *pathname, |
29 | mode_t mode, |
30 | dev_t dev |
31 | ) |
32 | { |
33 | rtems_filesystem_location_info_t temp_loc; |
34 | int i; |
35 | const char *name_start; |
36 | int result; |
37 | |
38 | if ( !(mode & (S_IFREG|S_IFCHR|S_IFBLK|S_IFIFO) ) ) |
39 | set_errno_and_return_minus_one( EINVAL ); |
40 | |
41 | if ( S_ISFIFO(mode) ) |
42 | set_errno_and_return_minus_one( ENOTSUP ); |
43 | |
44 | rtems_filesystem_get_start_loc( pathname, &i, &temp_loc ); |
45 | |
46 | if ( !temp_loc.ops->evalformake_h ) { |
47 | rtems_filesystem_freenode( &temp_loc ); |
48 | set_errno_and_return_minus_one( ENOTSUP ); |
49 | } |
50 | |
51 | result = (*temp_loc.ops->evalformake_h)( |
52 | &pathname[i], |
53 | &temp_loc, |
54 | &name_start |
55 | ); |
56 | if ( result != 0 ) |
57 | return -1; |
58 | |
59 | if ( !temp_loc.ops->mknod_h ) { |
60 | rtems_filesystem_freenode( &temp_loc ); |
61 | set_errno_and_return_minus_one( ENOTSUP ); |
62 | } |
63 | |
64 | result = (*temp_loc.ops->mknod_h)( name_start, mode, dev, &temp_loc ); |
65 | |
66 | rtems_filesystem_freenode( &temp_loc ); |
67 | |
68 | return result; |
69 | } |
Note: See TracBrowser
for help on using the repository browser.