workbench/libs/iffparse/initiff.c

   1 /*
   2     Copyright © 1995-2004, The AROS Development Team. All rights reserved.
   3     $Id$
   4 */
   5
   6 #include "iffparse_intern.h"
   7
   8 /*****************************************************************************
   9
  10     NAME */
  11 #include <proto/iffparse.h>
  12
  13         AROS_LH3(void, InitIFF,
  14
  15 /*  SYNOPSIS */
  16         AROS_LHA(struct IFFHandle *, iff, A0),
  17         AROS_LHA(LONG              , flags, D0),
  18         AROS_LHA(struct Hook      *, streamHook, A1),
  19
  20 /*  LOCATION */
  21         struct Library *, IFFParseBase, 38, IFFParse)
  22
  23 /*  FUNCTION
  24         Initializes an IFFHandle with a custom stream handler and
  25         flags describing seekability of the stream.
  26
  27     INPUTS
  28         iff         - pointer to IFFHandle struct.
  29         flags        -  stream I/O flags for the IFFHandle.
  30         streamHook  - pointer to a Hook structure initialized with the streamhandler
  31                       to be called.
  32
  33     RESULT
  34
  35     NOTES
  36
  37     EXAMPLE
  38
  39     BUGS
  40
  41     SEE ALSO
  42         utility/hooks.h
  43
  44     INTERNALS
  45
  46 *****************************************************************************/
  47 {
  48     AROS_LIBFUNC_INIT
  49     AROS_LIBBASE_EXT_DECL(struct Library *,IFFParseBase)
  50
  51     DEBUG_INITIFF(dprintf("InitIFF: iff %p flags 0x%lx streamHook %p\n",
  52                           iff, flags, streamHook));
  53
  54     (void) IFFParseBase;
  55
  56     /* Change the flags IFF flags to the supplied ones */
  57     iff->iff_Flags   |=   flags;
  58
  59     /* Put the pointer to the streamHook into the iffhandle */
  60     GetIntIH(iff)->iff_StreamHandler  = streamHook;
  61
  62     DEBUG_INITIFF(dprintf("InitIFF: donen"));
  63
  64     AROS_LIBFUNC_EXIT
  65 } /* InitIFF */