source: rtems/c/src/exec/libcsupport/src/stat.c @ 29fd4e38

4.104.114.84.95
Last change on this file since 29fd4e38 was 29fd4e38, checked in by Joel Sherrill <joel.sherrill@…>, on Apr 8, 2002 at 6:29:16 PM

2002-04-06 Ralf Corsepius <corsepiu@…>

  • libc/stat.c: include <string.h>.
  • libc/printk.c: Remove libcpu/cpu.h.
  • Property mode set to 100644
File size: 1.9 KB
Line 
1/*
2 *  stat() - POSIX 1003.1b 5.6.2 - Get File Status
3 *
4 *  Reused from lstat().
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#if HAVE_CONFIG_H
17#include "config.h"
18#endif
19
20/*
21 *  lstat() and stat() share the same implementation with a minor
22 *  difference on how links are evaluated.
23 */
24
25#ifndef _STAT_NAME
26#define _STAT_NAME         stat
27#define _STAT_R_NAME       _stat_r
28#define _STAT_FOLLOW_LINKS TRUE
29#endif
30
31
32#include <rtems.h>
33
34#if !defined(RTEMS_UNIX)
35
36#include <rtems/libio.h>
37#include <sys/types.h>
38#include <sys/stat.h>
39#include <unistd.h>
40#include <fcntl.h>
41#include <errno.h>
42#include <string.h>
43
44#include <rtems/libio_.h>
45#include <rtems/seterr.h>
46
47int _STAT_NAME(
48  const char  *path,
49  struct stat *buf
50)
51{
52  int                              status;
53  rtems_filesystem_location_info_t loc;
54
55  /*
56   *  Check to see if we were passed a valid pointer.
57   */
58
59  if ( !buf )
60    rtems_set_errno_and_return_minus_one( EFAULT );
61
62  status = rtems_filesystem_evaluate_path( path, 0, &loc, _STAT_FOLLOW_LINKS );
63  if ( status != 0 )
64    return -1;
65 
66  if ( !loc.handlers->fstat_h ){
67    rtems_filesystem_freenode( &loc );
68    rtems_set_errno_and_return_minus_one( ENOTSUP );
69  }
70
71  /*
72   *  Zero out the stat structure so the various support
73   *  versions of stat don't have to.
74   */
75
76  memset( buf, 0, sizeof(struct stat) );
77
78  status =  (*loc.handlers->fstat_h)( &loc, buf );
79
80  rtems_filesystem_freenode( &loc );
81 
82  return status;
83}
84#endif
85
86/*
87 *  _stat_r, _lstat_r
88 *
89 *  This is the Newlib dependent reentrant version of stat() and lstat().
90 */
91
92#if defined(RTEMS_NEWLIB)
93
94#include <reent.h>
95
96int _STAT_R_NAME(
97  struct _reent *ptr,
98  const char    *path,
99  struct stat   *buf
100)
101{
102  return _STAT_NAME( path, buf );
103}
104#endif
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