rom/intuition/getprefs.c

   1 /*
   2     Copyright © 1995-2003, The AROS Development Team. All rights reserved.
   3     Copyright © 2001-2003, The MorphOS Development Team. All Rights Reserved.
   4     $Id$
   5 */
   6
   7 #include <intuition/preferences.h>
   8 #include <proto/exec.h>
   9 #include "intuition_intern.h"
  10
  11 /*****************************************************************************
  12
  13     NAME */
  14 #include <proto/intuition.h>
  15
  16 AROS_LH2(struct Preferences *, GetPrefs,
  17
  18          /*  SYNOPSIS */
  19          AROS_LHA(struct Preferences * , prefbuffer, A0),
  20          AROS_LHA(WORD                 , size, D0),
  21
  22          /*  LOCATION */
  23          struct IntuitionBase *, IntuitionBase, 22, Intuition)
  24
  25 /*  FUNCTION
  26     Gets a copy of the current Preferences structure.
  27
  28     INPUTS
  29     prefbuffer - The buffer which contains your settings for the
  30         preferences.
  31     size - The number of bytes of the buffer you want to be copied.
  32
  33     RESULT
  34     Returns your parameter buffer.
  35
  36     NOTES
  37
  38     EXAMPLE
  39
  40     BUGS
  41
  42     SEE ALSO
  43     GetDefPrefs(), SetPrefs()
  44
  45     INTERNALS
  46
  47 *****************************************************************************/
  48 {
  49     AROS_LIBFUNC_INIT
  50     AROS_LIBBASE_EXT_DECL(struct IntuitionBase *,IntuitionBase)
  51
  52     DEBUG_GETPREFS(dprintf("GetPrefs: Buffer 0x%lx Size 0x%lx Inform %d\n",
  53                            prefbuffer, size));
  54
  55     if (prefbuffer != NULL && size != 0)
  56     {
  57         ULONG lock = LockIBase(0);
  58
  59         CopyMem(GetPrivIBase(IntuitionBase)->ActivePreferences,
  60                 prefbuffer,
  61                 size <= sizeof(struct Preferences) ? size : sizeof(struct Preferences));
  62
  63         UnlockIBase(lock);
  64     }
  65
  66     return (struct Preferences *)prefbuffer;
  67
  68     AROS_LIBFUNC_EXIT
  69 } /* GetPrefs */