rom/graphics/freecoplist.c

   1 /*
   2     Copyright © 1995-2001, The AROS Development Team. All rights reserved.
   3     $Id$
   4
   5     Desc: Graphics function FreeCopList()
   6     Lang: english
   7 */
   8 #include <exec/types.h>
   9 #include <graphics/copper.h>
  10 #include <proto/exec.h>
  11 #include "graphics_intern.h"
  12
  13 /*****************************************************************************
  14
  15     NAME */
  16 #include <proto/graphics.h>
  17
  18         AROS_LH1(void, FreeCopList,
  19
  20 /*  SYNOPSIS */
  21         AROS_LHA(struct CopList *, coplist, A0),
  22
  23 /*  LOCATION */
  24         struct GfxBase *, GfxBase, 91, Graphics)
  25
  26 /*  FUNCTION
  27         Deallocate all memory associated with this copper list.
  28
  29     INPUTS
  30         coplist - pointer to a CopList structure
  31
  32     RESULT
  33
  34     NOTES
  35
  36     EXAMPLE
  37
  38     BUGS
  39
  40     SEE ALSO
  41         graphics/copper.h
  42
  43     INTERNALS
  44
  45     HISTORY
  46
  47 *****************************************************************************/
  48 {
  49   AROS_LIBFUNC_INIT
  50   AROS_LIBBASE_EXT_DECL(struct GfxBase *,GfxBase)
  51
  52   struct CopList * NextCopList = coplist;
  53   while (NULL != NextCopList)
  54   {
  55     coplist = NextCopList;
  56     /*  get the pointer to the next CopList BEFORE we return it to free
  57      *  memory
  58      */
  59     NextCopList = coplist -> Next;
  60     FreeMem(coplist->CopIns, sizeof(struct CopIns) * coplist->MaxCount);
  61     FreeMem(coplist, sizeof(struct CopList));
  62   }
  63
  64   AROS_LIBFUNC_EXIT
  65 } /* FreeCopList */