compiler/arossupport/clonerastport.c

   1 /*
   2     Copyright © 1995-2011, The AROS Development Team. All rights reserved.
   3     $Id$
   4
   5     Desc: Graphics function CloneRastPort()
   6     Lang: english
   7 */
   8
   9 #include <exec/memory.h>
  10 #include <proto/exec.h>
  11
  12 /*****************************************************************************
  13
  14     NAME */
  15 #include <graphics/rastport.h>
  16 #include <proto/arossupport.h>
  17
  18         struct RastPort *CloneRastPort(
  19
  20 /*  SYNOPSIS */
  21         struct RastPort *rp)
  22
  23 /*  FUNCTION
  24         This function creates a copy of a RastPort.
  25
  26     INPUTS
  27         rp - The RastPort to clone.
  28
  29     RESULT
  30         A pointer to a RastPort with the same attributes as the RastPort
  31         which was specified or NULL if there was not enough memory to perform
  32         the operation.
  33
  34     NOTES
  35
  36     EXAMPLE
  37
  38     BUGS
  39
  40     SEE ALSO
  41         CreateRastPort(), FreeRastPort()
  42
  43     INTERNALS
  44
  45     HISTORY
  46         29-10-95    digulla automatically created from
  47                             graphics_lib.fd and clib/graphics_protos.h
  48
  49 *****************************************************************************/
  50 {
  51     struct RastPort *newRP = AllocMem (sizeof (struct RastPort), MEMF_ANY);
  52
  53     if (newRP)
  54         CopyMem (rp, newRP, sizeof (struct RastPort));
  55
  56     return newRP;
  57
  58 } /* CloneRastPort */