forked from Imagelibrary/rtems
105 lines
1.9 KiB
C
105 lines
1.9 KiB
C
/*
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* stat() - POSIX 1003.1b 5.6.2 - Get File Status
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*
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* Reused from lstat().
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*
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* COPYRIGHT (c) 1989-1999.
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* On-Line Applications Research Corporation (OAR).
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*
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* The license and distribution terms for this file may be
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* found in the file LICENSE in this distribution or at
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* http://www.OARcorp.com/rtems/license.html.
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*
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* $Id$
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*/
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#if HAVE_CONFIG_H
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#include "config.h"
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#endif
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/*
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* lstat() and stat() share the same implementation with a minor
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* difference on how links are evaluated.
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*/
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#ifndef _STAT_NAME
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#define _STAT_NAME stat
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#define _STAT_R_NAME _stat_r
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#define _STAT_FOLLOW_LINKS TRUE
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#endif
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#include <rtems.h>
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#if !defined(RTEMS_UNIX)
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#include <rtems/libio.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <unistd.h>
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#include <fcntl.h>
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#include <errno.h>
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#include <string.h>
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#include <rtems/libio_.h>
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#include <rtems/seterr.h>
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int _STAT_NAME(
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const char *path,
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struct stat *buf
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)
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{
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int status;
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rtems_filesystem_location_info_t loc;
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/*
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* Check to see if we were passed a valid pointer.
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*/
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if ( !buf )
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rtems_set_errno_and_return_minus_one( EFAULT );
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status = rtems_filesystem_evaluate_path( path, 0, &loc, _STAT_FOLLOW_LINKS );
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if ( status != 0 )
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return -1;
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if ( !loc.handlers->fstat_h ){
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rtems_filesystem_freenode( &loc );
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rtems_set_errno_and_return_minus_one( ENOTSUP );
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}
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/*
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* Zero out the stat structure so the various support
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* versions of stat don't have to.
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*/
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memset( buf, 0, sizeof(struct stat) );
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status = (*loc.handlers->fstat_h)( &loc, buf );
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rtems_filesystem_freenode( &loc );
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return status;
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}
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#endif
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/*
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* _stat_r, _lstat_r
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*
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* This is the Newlib dependent reentrant version of stat() and lstat().
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*/
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#if defined(RTEMS_NEWLIB)
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#include <reent.h>
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int _STAT_R_NAME(
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struct _reent *ptr,
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const char *path,
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struct stat *buf
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)
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{
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return _STAT_NAME( path, buf );
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}
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#endif
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