source: rtems/c/src/lib/libc/fstat.c @ 5a23ca84

4.104.114.84.95
Last change on this file since 5a23ca84 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: 1.3 KB
Line 
1/*
2 *  fstat() - POSIX 1003.1b 5.6.2 - Get File Status
3 *
4 *  COPYRIGHT (c) 1989-1999.
5 *  On-Line Applications Research Corporation (OAR).
6 *
7 *  The license and distribution terms for this file may be
8 *  found in the file LICENSE in this distribution or at
9 *  http://www.OARcorp.com/rtems/license.html.
10 *
11 *  $Id$
12 */
13
14#include <sys/stat.h>
15#include <unistd.h>
16#include <string.h>
17
18#include "libio_.h"
19
20int fstat(
21  int          fd,
22  struct stat *sbuf
23)
24{
25  rtems_libio_t *iop;
26
27  /*
28   *  Check to see if we were passed a valid pointer.
29   */
30
31  if ( !sbuf )
32    set_errno_and_return_minus_one( EFAULT );
33
34  /*
35   *  Now process the stat() request.
36   */
37
38  iop = rtems_libio_iop( fd );
39  rtems_libio_check_fd( fd );
40  rtems_libio_check_is_open(iop);
41
42  if ( !iop->handlers )
43    set_errno_and_return_minus_one( EBADF );
44
45  if ( !iop->handlers->fstat )
46    set_errno_and_return_minus_one( ENOTSUP );
47
48  /*
49   *  Zero out the stat structure so the various support
50   *  versions of stat don't have to.
51   */
52  memset( sbuf, 0, sizeof(struct stat) );
53
54  return (*iop->handlers->fstat)( &iop->pathinfo, sbuf );
55}
56
57/*
58 *  _fstat_r
59 *
60 *  This is the Newlib dependent reentrant version of fstat().
61 */
62
63#if defined(RTEMS_NEWLIB)
64
65#include <reent.h>
66
67int _fstat_r(
68  struct _reent *ptr,
69  int            fd,
70  struct stat   *buf
71)
72{
73  return fstat( fd, buf );
74}
75#endif
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