/*
 ---------------------------------------------------------------------------
 Copyright (c) 1998-2006, Brian Gladman, Worcester, UK. All rights reserved.

 LICENSE TERMS

 The free distribution and use of this software in both source and binary
 form is allowed (with or without changes) provided that:

   1. distributions of this source code include the above copyright
      notice, this list of conditions and the following disclaimer;

   2. distributions in binary form include the above copyright
      notice, this list of conditions and the following disclaimer
      in the documentation and/or other associated materials;

   3. the copyright holder's name is not used to endorse products
      built using this software without specific written permission.

 ALTERNATIVELY, provided that this notice is retained in full, this product
 may be distributed under the terms of the GNU General Public License (GPL),
 in which case the provisions of the GPL apply INSTEAD OF those given above.

 DISCLAIMER

 This software is provided 'as is' with no explicit or implied warranties
 in respect of its properties, including, but not limited to, correctness
 and/or fitness for purpose.
*/

#ifndef BRG_TYPES_H
#define BRG_TYPES_H

#if defined(__cplusplus)
extern "C" {
#endif
#if 0
}
#endif

#if defined(HAVE_CONFIG_H)
#  include "config.h"
#endif

#if defined(HAVE_STDINT_H)
#  include <stdint.h>
#endif

#if defined(_WIN32)
#  if defined( DLL_EXPORT )
#    if defined( _MSC_VER ) || defined ( __INTEL_COMPILER )
#      define VOID_RETURN    __declspec( dllexport ) void __stdcall
#      define INT_RETURN     __declspec( dllexport ) int  __stdcall
#    elif defined( __GNUC__ )
#      define VOID_RETURN    __declspec( __dllexport__ ) void
#      define INT_RETURN     __declspec( __dllexport__ ) int
#    else
#      error Use of the DLL is only available on the Microsoft, Intel and GCC compilers
#    endif
#  elif defined( DLL_IMPORT )
#    if defined( _MSC_VER ) || defined ( __INTEL_COMPILER )
#      define VOID_RETURN    __declspec( dllimport ) void __stdcall
#      define INT_RETURN     __declspec( dllimport ) int  __stdcall
#    elif defined( __GNUC__ )
#      define VOID_RETURN    __declspec( __dllimport__ ) void
#      define INT_RETURN     __declspec( __dllimport__ ) int
#    else
#      error Use of the DLL is only available on the Microsoft, Intel and GCC compilers
#    endif
#  endif
#endif
#if defined( __WATCOMC__ )
#  define VOID_RETURN  void __cdecl
#  define INT_RETURN   int  __cdecl
#endif
#if !defined(VOID_RETURN)
#  define VOID_RETURN  void
#  define INT_RETURN   int
#endif

/*  These defines are used to declare buffers in a way that allows
    faster operations on longer variables to be used.  In all these
    defines 'size' must be a power of 2 and >= 8

    dec_unit_type(size,x)       declares a variable 'x' of length 
                                'size' bits

    dec_bufr_type(size,bsize,x) declares a buffer 'x' of length 'bsize' 
                                bytes defined as an array of variables
                                each of 'size' bits (bsize must be a 
                                multiple of size / 8)

    ptr_cast(x,size)            casts a pointer to a pointer to a 
                                varaiable of length 'size' bits
*/

#define ui_type(size)               uint_##size##t
#define dec_unit_type(size,x)       typedef ui_type(size) x
#define dec_bufr_type(size,bsize,x) typedef ui_type(size) x[bsize / (size >> 3)]
#define ptr_cast(x,size)            ((ui_type(size)*)(x))

#if defined(__cplusplus)
}
#endif

#endif