compiler/arossupport/nastyfreemem.c

   1 /*
   2     Copyright © 1995-2012, The AROS Development Team. All rights reserved.
   3     $Id$
   4
   5     Desc: Erase contents of memory before freeing it.
   6     Lang: english
   7 */
   8
   9 #include <proto/exec.h>
  10 #include <aros/system.h>
  11 #include <aros/debug.h>
  12 #include <exec/execbase.h>
  13
  14 #undef FreeMem /* Don't use any kind of macro here :) We want the real thing */
  15 void FreeMem(APTR, IPTR);
  16
  17
  18 extern struct ExecBase * SysBase;
  19
  20 /*****************************************************************************
  21
  22     NAME */
  23 #include <proto/arossupport.h>
  24
  25         void NastyFreeMem (
  26
  27 /*  SYNOPSIS */
  28         APTR mem,
  29         IPTR size)
  30
  31 /*  FUNCTION
  32         Overwrites the memory with 0xDEADBEEF before actually freeing it.
  33
  34     INPUTS
  35         mem - Pointer which was returned by AllocMem()
  36         size - Size which was given to AllocMem()
  37
  38     RESULT
  39         The function may print some infos using kprintf().
  40
  41     NOTES
  42         This function depends on SysBase.
  43
  44     EXAMPLE
  45
  46     BUGS
  47
  48     SEE ALSO
  49         exec.library/FreeMem()
  50
  51     INTERNALS
  52
  53 ******************************************************************************/
  54 {
  55     MUNGE_BLOCK (mem, size, MEMFILL_FREE);
  56     FreeMem (mem, size);
  57 } /* NastyFreeMem */