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/*

 *  fchmod() - POSIX 1003.1b 5.6.4 - Change File Modes

 *

 *  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.

 *

 *  fchmod.c,v 1.9 2002/01/04 18:29:36 joel Exp

 */

#if HAVE_CONFIG_H

#include "config.h"

#endif

#include <unistd.h>

#include <sys/stat.h>

#include <errno.h>

#include <rtems.h>

#include <rtems/libio.h>

#include <rtems/libio_.h>

#include <rtems/seterr.h>

int fchmod(

  int       fd,

  mode_t    mode

)

{

  rtems_libio_t *iop;

  rtems_libio_check_fd( fd );

  iop = rtems_libio_iop( fd );

  rtems_libio_check_is_open(iop);

  /*

   *  Now process the fchmod().

   */

  rtems_libio_check_permissions( iop, LIBIO_FLAGS_WRITE );

  if ( !iop->handlers->fchmod_h )

    rtems_set_errno_and_return_minus_one( ENOTSUP );

  return (*iop->pathinfo.handlers->fchmod_h)( &iop->pathinfo, mode );

}