source: rtems/cpukit/libcsupport/src/stat.c @ 0eae36c7

4.104.114.84.95
Last change on this file since 0eae36c7 was 0eae36c7, checked in by Joel Sherrill <joel.sherrill@…>, on 09/04/03 at 18:54:13

2003-09-04 Joel Sherrill <joel@…>

  • include/chain.h, include/clockdrv.h, include/console.h, include/iosupp.h, include/rtc.h, include/spurious.h, include/timerdrv.h, include/vmeintr.h, include/motorola/mc68230.h, include/rtems/libcsupport.h, include/rtems/libio.h, include/rtems/libio_.h, include/rtems/termiostypes.h, include/sys/termios.h, include/zilog/z8036.h, include/zilog/z8530.h, include/zilog/z8536.h, src/brk.c, src/gettod.c, src/sbrk.c, src/times.c, src/access.c, src/base_fs.c, src/cfgetispeed.c, src/cfgetospeed.c, src/cfsetispeed.c, src/cfsetospeed.c, src/chdir.c, src/chmod.c, src/chown.c, src/chroot.c, src/close.c, src/ctermid.c, src/dup.c, src/dup2.c, src/eval.c, src/fchdir.c, src/fchmod.c, src/fcntl.c, src/fdatasync.c, src/fpathconf.c, src/fs_null_handlers.c, src/fstat.c, src/fsync.c, src/ftruncate.c, src/getdents.c, src/getpwent.c, src/hosterr.c, src/ioctl.c, src/isatty.c, src/libio.c, src/libio_sockets.c, src/link.c, src/lseek.c, src/lstat.c, src/malloc.c, src/mallocfreespace.c, src/mkdir.c, src/mkfifo.c, src/mknod.c, src/mount.c, src/newlibc.c, src/no_libc.c, src/no_posix.c, src/open.c, src/pathconf.c, src/pipe.c, src/privateenv.c, src/read.c, src/readlink.c, src/rewinddir.c, src/rmdir.c, src/seekdir.c, src/stat.c, src/symlink.c, src/sync.c, src/tcdrain.c, src/tcflow.c, src/tcflush.c, src/tcgetattr.c, src/tcgetprgrp.c, src/tcsendbreak.c, src/tcsetattr.c, src/tcsetpgrp.c, src/telldir.c, src/termios.c, src/termiosinitialize.c, src/truncate.c, src/umask.c, src/unixlibc.c, src/unlink.c, src/unmount.c, src/utime.c, src/write.c: URL for license changed.
  • 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.rtems.com/license/LICENSE.
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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