source: rtems/cpukit/libcsupport/src/mknod.c @ 50f32b11

4.104.114.84.95
Last change on this file since 50f32b11 was 50f32b11, checked in by Ralf Corsepius <ralf.corsepius@…>, on Apr 18, 2004 at 6:05:35 AM

Remove stray white spaces.

  • Property mode set to 100644
File size: 1.7 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.rtems.com/license/LICENSE.
14 *
15 *  $Id$
16 */
17
18#if HAVE_CONFIG_H
19#include "config.h"
20#endif
21
22#include <sys/types.h>
23#include <sys/stat.h>
24#include <fcntl.h>
25#include <unistd.h>
26#include <errno.h>
27#include <stdlib.h>
28
29#include <rtems/libio_.h>
30#include <rtems/seterr.h>
31
32int mknod(
33  const char *pathname,
34  mode_t      mode,
35  dev_t       dev
36)
37{
38  rtems_filesystem_location_info_t    temp_loc;
39  int                                 i;
40  const char                         *name_start;
41  int                                 result;
42
43  if ( !(mode & (S_IFREG|S_IFCHR|S_IFBLK|S_IFIFO) ) )
44    rtems_set_errno_and_return_minus_one( EINVAL );
45
46  if ( S_ISFIFO(mode) )
47    rtems_set_errno_and_return_minus_one( ENOTSUP );
48
49  rtems_filesystem_get_start_loc( pathname, &i, &temp_loc );
50
51  if ( !temp_loc.ops->evalformake_h ) {
52    rtems_set_errno_and_return_minus_one( ENOTSUP );
53  }
54
55  result = (*temp_loc.ops->evalformake_h)(
56    &pathname[i],
57    &temp_loc,
58    &name_start
59  );
60  if ( result != 0 )
61    return -1;
62
63  if ( !temp_loc.ops->mknod_h ) {
64    rtems_filesystem_freenode( &temp_loc );
65    rtems_set_errno_and_return_minus_one( ENOTSUP );
66  }
67
68  result =  (*temp_loc.ops->mknod_h)( name_start, mode, dev, &temp_loc );
69
70  rtems_filesystem_freenode( &temp_loc );
71
72  return result;
73}
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