compiler/alib/deleteextio.c

   1 /*
   2     Copyright © 1995-2014, The AROS Development Team. All rights reserved.
   3     $Id$
   4
   5     Desc: Free a structure created by CreateExtIO()
   6     Lang: english
   7 */
   8
   9 #include <proto/exec.h>
  10
  11 /*****************************************************************************
  12
  13     NAME */
  14 #include <exec/io.h>
  15 #include <proto/alib.h>
  16
  17         void DeleteExtIO(
  18
  19 /*  SYNOPSIS */
  20         struct IORequest * ioreq)
  21
  22 /*  FUNCTION
  23         Free a structure created by CreateExtIO().
  24
  25     INPUTS
  26         ioreq - The return value of CreateExtIO(). May be NULL.
  27
  28     RESULT
  29         None.
  30
  31     NOTES
  32
  33     EXAMPLE
  34
  35     BUGS
  36
  37     SEE ALSO
  38         CreateStdIO(), CreateExtIO(), DeleteStdIO()
  39
  40     INTERNALS
  41
  42 ******************************************************************************/
  43 {
  44     if (ioreq != NULL)
  45     {
  46         /* Erase some fields to enforce crashes */
  47         ioreq->io_Message.mn_Node.ln_Type = -1L;
  48
  49         ioreq->io_Device = (struct Device *)-1L;
  50         ioreq->io_Unit   = (struct Unit *)-1L;
  51
  52         /* Free the memory */
  53         FreeMem(ioreq,ioreq->io_Message.mn_Length);
  54     }
  55 }