compiler/alib/deletestdio.c

   1 /*
   2     Copyright © 1995-2007, The AROS Development Team. All rights reserved.
   3     $Id$
   4
   5     Desc: amiga.lib function DeleteStdIo()
   6     Lang: english
   7 */
   8 #include <exec/memory.h>
   9
  10 /*****************************************************************************
  11
  12     NAME */
  13 #include <exec/io.h>
  14 #include <proto/alib.h>
  15 #include <proto/exec.h>
  16
  17         void DeleteStdIO (
  18
  19 /*  SYNOPSIS */
  20         struct IOStdReq * io)
  21
  22 /*  FUNCTION
  23         Delete a structure which was created by CreateStdIO().
  24
  25     INPUTS
  26         io - The value returned by CreateStdIO(). Must be
  27             non-NULL.
  28
  29     RESULT
  30         None.
  31
  32     NOTES
  33
  34     EXAMPLE
  35
  36     BUGS
  37
  38     SEE ALSO
  39         CreateStdIO()
  40
  41     INTERNALS
  42
  43     HISTORY
  44
  45 ******************************************************************************/
  46 {
  47 #   define ioreq    ((struct IORequest *)io)
  48     /* Write illegal values to some fields to enforce crashes */
  49     ioreq->io_Message.mn_Node.ln_Type = -1L;
  50
  51     ioreq->io_Device = (struct Device *)-1L;
  52     ioreq->io_Unit   = (struct Unit *)-1L;
  53
  54     FreeMem (ioreq, ioreq->io_Message.mn_Length);
  55 } /* DeleteStdIO */
  56