platforms.hpp

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/** ************************************************************************************************
 * \file
 * This header file is part of the \aliblong. It does neither belong to a fileset, nor to a
 * specific module of \alib, but is included in any \alibdist.
 *
 * \emoji :copyright: 2013-2023 A-Worx GmbH, Germany.
 * Published under \ref mainpage_license "Boost Software License".
 *
 * \note
 *   To reduce complexity, this header is not shown in inclusion graphs of this documentation.
 **************************************************************************************************/
#ifndef HPP_ALIB_PLATFORMS
#define HPP_ALIB_PLATFORMS 1
 
#if !defined(HPP_ALIB_COMPILERS) && !defined(ALIB_DOX)
#   include "alib/lib/compilers.hpp"
#endif
 
// #################################################################################################
// basic system headers
// #################################################################################################
 
 
// Windows specific
#if defined (_WIN32)
 
    //! @cond NO_DOX
    // Include windows.h. but exclude rarely-used stuff from Windows headers. If these things are
    // needed by the software that incorporates ALib, then windows has to be
    // included before this header file is.
#   if !defined (_INC_WINDOWS)
#      define WIN32_LEAN_AND_MEAN
#      define NOGDI
#      define NOSERVICE
#      define NOMCX
#      define NOIME
#      define NOSOUND
#      define NOCOMM
#      define NOKANJI
#      define NORPC
#      define NOPROXYSTUB
#      define NOIMAGE
#      define NOTAPE
#      include <windows.h>
#   endif
    //! @endcond
 
#   if !defined (_STDINT)
#      include <stdint.h>
#   endif
#   include <assert.h>
 
#endif
 
 
// #################################################################################################
// Size of wchar_t
// #################################################################################################
#if defined(__WCHAR_MAX__)
    #if    __WCHAR_MAX__ == 0x7FFFFFFF  \
        || __WCHAR_MAX__ == 0xFFFFFFFF
        #define     ALIB_SIZEOF_WCHAR_T    4
    #else
        #define     ALIB_SIZEOF_WCHAR_T    2
    #endif
#elif defined(_MSC_VER)
    #define         ALIB_SIZEOF_WCHAR_T    2
#else
#   define         ALIB_SIZEOF_WCHAR_T     4 // guessing, will be checked below
#endif
 
static_assert( sizeof(wchar_t) == ALIB_SIZEOF_WCHAR_T, "Error: Platform not supported" );
 
 
 
#endif // HPP_ALIB_PLATFORMS