rom/intuition/getdefprefs.c

   1 /*
   2     Copyright © 1995-2013, The AROS Development Team. All rights reserved.
   3     Copyright © 2001-2013, The MorphOS Development Team. All Rights Reserved.
   4     $Id$
   5 */
   6
   7 #include <proto/exec.h>
   8 #include <intuition/preferences.h>
   9 #include "intuition_intern.h"
  10
  11 /*****************************************************************************
  12
  13     NAME */
  14 #include <proto/intuition.h>
  15
  16         AROS_LH2(struct Preferences *, GetDefPrefs,
  17
  18 /*  SYNOPSIS */
  19         AROS_LHA(struct Preferences * , prefbuffer, A0),
  20         AROS_LHA(WORD                 , size, D0),
  21
  22 /*  LOCATION */
  23         struct IntuitionBase *, IntuitionBase, 21, Intuition)
  24
  25 /*  FUNCTION
  26         Gets a copy of the Intuition default 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         GetPrefs(), SetPrefs()
  44
  45     INTERNALS
  46
  47 *****************************************************************************/
  48 {
  49     AROS_LIBFUNC_INIT
  50
  51     DEBUG_GETDEFPREFS(dprintf("GetDefPrefs: Buffer 0x%lx Size 0x%lx Inform %d\n",
  52                               prefbuffer, size));
  53
  54     if (prefbuffer != NULL && size != 0)
  55     {
  56         ULONG lock = LockIBase(0);
  57
  58         CopyMem(&GetPrivIBase(IntuitionBase)->DefaultPreferences,
  59                 prefbuffer,
  60                 size <= sizeof(struct Preferences) ? size : sizeof(struct Preferences));
  61
  62         UnlockIBase(lock);
  63     }
  64
  65     return (struct Preferences *)prefbuffer;
  66
  67     AROS_LIBFUNC_EXIT
  68 } /* GetDefPrefs */