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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.rtems.com/license/LICENSE.
*
* $Id$
*/
#if HAVE_CONFIG_H
#include "config.h"
#endif
/*
* 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 <string.h>
#include <rtems/libio_.h>
#include <rtems/seterr.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 )
rtems_set_errno_and_return_minus_one( EFAULT );
status = rtems_filesystem_evaluate_path( path, strlen( path ),
0, &loc, _STAT_FOLLOW_LINKS );
if ( status != 0 )
return -1;
if ( !loc.handlers->fstat_h ){
rtems_filesystem_freenode( &loc );
rtems_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_h)( &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 __attribute__((unused)),
const char *path,
struct stat *buf
)
{
return _STAT_NAME( path, buf );
}
#endif
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