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[/] [openrisc/] [trunk/] [rtos/] [rtems/] [c/] [src/] [lib/] [libc/] [fstat.c] - Blame information for rev 173

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1 30 unneback
/*
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 *  fstat() - POSIX 1003.1b 5.6.2 - Get File Status
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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: fstat.c,v 1.2 2001-09-27 12:01:15 chris Exp $
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 */
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#include <sys/stat.h>
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#include <unistd.h>
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#include <string.h>
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#include "libio_.h"
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int fstat(
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  int          fd,
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  struct stat *sbuf
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)
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{
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  rtems_libio_t *iop;
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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 ( !sbuf )
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    set_errno_and_return_minus_one( EFAULT );
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  /*
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   *  Now process the stat() request.
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   */
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  iop = rtems_libio_iop( fd );
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  rtems_libio_check_fd( fd );
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  rtems_libio_check_is_open(iop);
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  if ( !iop->handlers )
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    set_errno_and_return_minus_one( EBADF );
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  if ( !iop->handlers->fstat )
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    set_errno_and_return_minus_one( ENOTSUP );
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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( sbuf, 0, sizeof(struct stat) );
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  return (*iop->handlers->fstat)( &iop->pathinfo, sbuf );
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}
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/*
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 *  _fstat_r
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 *
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 *  This is the Newlib dependent reentrant version of fstat().
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 */
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#if defined(RTEMS_NEWLIB)
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#include <reent.h>
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int _fstat_r(
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  struct _reent *ptr,
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  int            fd,
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  struct stat   *buf
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)
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{
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  return fstat( fd, buf );
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}
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#endif

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