rom/expansion/setcurrentbinding.c

   1 /*
   2     Copyright © 1995-2014, The AROS Development Team. All rights reserved.
   3     $Id$
   4
   5     Desc:
   6     Lang: english
   7 */
   8 #include "expansion_intern.h"
   9 #include <proto/exec.h>
  10
  11 /*****************************************************************************
  12
  13     NAME */
  14 #include <clib/expansion_protos.h>
  15
  16         AROS_LH2(void, SetCurrentBinding,
  17
  18 /*  SYNOPSIS */
  19         AROS_LHA(struct CurrentBinding *, currentBinding, A0),
  20         AROS_LHA(ULONG                  , bindingSize, D0),
  21
  22 /*  LOCATION */
  23         struct ExpansionBase *, ExpansionBase, 22, Expansion)
  24
  25 /*  FUNCTION
  26         This function will return the contents of the "currentBinding"
  27         structure. The currentBinding structure may be returned with
  28         GetConfigBinding(). This is how arguments are passed to a newly
  29         configured device.
  30
  31         A CurrentBinding structure has the following information:
  32         -   the name of the currently loaded driver file
  33         -   the product string associated with this driver
  34         -   a singly linked list of ConfigDev structures
  35
  36         You may not need this information, but it is recommended that you
  37         at least make sure you can deal with the product code in the
  38         ConfigDev structure.
  39
  40     INPUTS
  41         currentBinding  -   a pointer to the CurrentBinding structure that
  42                             you wish filled in.
  43         bindingSize     -   the size of the currentBinding structure. Do
  44                             not pass less than sizeof(struct CurrentBinding).
  45
  46     RESULT
  47         The size of the CurrentBinding structure set.
  48
  49     NOTES
  50
  51     EXAMPLE
  52
  53     BUGS
  54
  55     SEE ALSO
  56         GetCurrentBinding()
  57
  58     INTERNALS
  59
  60 *****************************************************************************/
  61 {
  62     AROS_LIBFUNC_INIT
  63
  64     ULONG size = bindingSize;
  65
  66     if( bindingSize > sizeof(struct CurrentBinding) )
  67         size = sizeof(struct CurrentBinding);
  68
  69     CopyMem(currentBinding,
  70             &IntExpBase(ExpansionBase)->CurrentBinding,
  71             size);
  72
  73     /* NULL pad the rest */
  74     while(size < sizeof(struct CurrentBinding))
  75         ((UBYTE *)&IntExpBase(ExpansionBase)->CurrentBinding)[size++] = 0;
  76
  77     AROS_LIBFUNC_EXIT
  78 } /* SetCurrentBinding */