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/**
* @file
*
* @brief Get File Status
* @ingroup libcsupport
*/
/*
* COPYRIGHT (c) 1989-2013.
* 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.org/license/LICENSE.
*/
#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 RTEMS_FS_FOLLOW_LINK
#endif
#include <sys/stat.h>
#include <string.h>
#include <rtems/libio_.h>
/*
* Prototype to avoid warnings
*/
int _STAT_NAME( const char *path, struct stat *buf );
/**
* POSIX 1003.1b 5.6.2 - Get File Status
*
* Reused from lstat().
*/
int _STAT_NAME( const char *path, struct stat *buf )
{
int rv = 0;
rtems_filesystem_eval_path_context_t ctx;
int eval_flags = _STAT_FOLLOW_LINKS;
const rtems_filesystem_location_info_t *currentloc =
rtems_filesystem_eval_path_start( &ctx, path, eval_flags );
memset( buf, 0, sizeof( *buf ) );
rv = (*currentloc->handlers->fstat_h)( currentloc, buf );
rtems_filesystem_eval_path_cleanup( &ctx );
return rv;
}
#if defined(RTEMS_NEWLIB)
#include <reent.h>
/*
* Prototype to avoid warnings
*/
int _STAT_R_NAME(
struct _reent *ptr RTEMS_UNUSED,
const char *path,
struct stat *buf
);
/**
* This is the Newlib dependent reentrant version of stat() and lstat().
*/
int _STAT_R_NAME(
struct _reent *ptr RTEMS_UNUSED,
const char *path,
struct stat *buf
)
{
return _STAT_NAME( path, buf );
}
#endif
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