source: rtems/c/src/lib/libc/mknod.c @ 5e77d129

4.104.114.84.95
Last change on this file since 5e77d129 was 08311cc3, checked in by Joel Sherrill <joel.sherrill@…>, on 11/17/99 at 17:51:34

Updated copyright notice.

  • Property mode set to 100644
File size: 1.5 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
27int 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  result = (*temp_loc.ops->evalformake)(
47    &pathname[i],
48    &temp_loc,
49    &name_start
50  );
51  if ( result != 0 )
52    return -1;
53
54  if ( !temp_loc.ops->mknod ) {
55    rtems_filesystem_freenode( &temp_loc );
56    set_errno_and_return_minus_one( ENOTSUP );
57  }
58
59  result =  (*temp_loc.ops->mknod)( name_start, mode, dev, &temp_loc );
60
61  rtems_filesystem_freenode( &temp_loc );
62
63  return result;
64}
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