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/*

 *  stat() - POSIX 1003.1b 5.6.2 - Get File Status

 *

 *  Reused from lstat().

 *

 *  COPYRIGHT (c) 1989-1999.

 *  On-Line Applications Research Corporation (OAR).

 *

 *  The license and distribution terms for this file may be

 *  found in the file LICENSE in this distribution or at

 *  http://www.OARcorp.com/rtems/license.html.

 *

 *  $Id: stat.c,v 1.2 2001-09-27 12:01:15 chris Exp $

 */

/*

 *  lstat() and stat() share the same implementation with a minor

 *  difference on how links are evaluated.

 */

#ifndef _STAT_NAME

#define _STAT_NAME         stat

#define _STAT_R_NAME       _stat_r

#define _STAT_FOLLOW_LINKS TRUE

#endif

#include <rtems.h>

#if !defined(RTEMS_UNIX)

#include <rtems/libio.h>

#include <sys/types.h>

#include <sys/stat.h>

#include <unistd.h>

#include <fcntl.h>

#include <errno.h>

#include "libio_.h"

int _STAT_NAME(

  const char  *path,

  struct stat *buf

)

{

  int                              status;

  rtems_filesystem_location_info_t loc;

  /*

   *  Check to see if we were passed a valid pointer.

   */

  if ( !buf )

    set_errno_and_return_minus_one( EFAULT );

  status = rtems_filesystem_evaluate_path( path, 0, &loc, _STAT_FOLLOW_LINKS );

  if ( status != 0 )

    return -1;

  if ( !loc.handlers->fstat ){

    rtems_filesystem_freenode( &loc );

    set_errno_and_return_minus_one( ENOTSUP );

  }

  /*

   *  Zero out the stat structure so the various support

   *  versions of stat don't have to.

   */

  memset( buf, 0, sizeof(struct stat) );

  status =  (*loc.handlers->fstat)( &loc, buf );

  rtems_filesystem_freenode( &loc );

  return status;

}

#endif

/*

 *  _stat_r, _lstat_r

 *

 *  This is the Newlib dependent reentrant version of stat() and lstat().

 */

#if defined(RTEMS_NEWLIB)

#include <reent.h>

int _STAT_R_NAME(

  struct _reent *ptr,

  const char    *path,

  struct stat   *buf

)

{

  return _STAT_NAME( path, buf );

}

#endif