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platform.h

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/*

    Copyright (C) 2005-2007 Michael Liebscher <johnnycanuck@users.sourceforge.net>


    This program is free software; you can redistribute it and/or
    modify it under the terms of the GNU General Public License
    as published by the Free Software Foundation; either version 2
    of the License, or (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program; if not, write to the Free Software
    Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.

*/

#ifndef __PLATFORM_H__
#define __PLATFORM_H__




// Windows 

#if defined(WINDOWS) || defined(_WINDOWS) || defined(_WIN32) || defined(_WIN64)

    #define PLATFORM_NAME "Windows"

    #define PATH_SEP '\\'

#endif


// Linux 

#if defined(linux) || defined(__linux__)

    #define PLATFORM_NAME "Linux"

    #define PATH_SEP '/'

#endif


// BSD 

#if defined(__FreeBSD__)

    #define PLATFORM_NAME "FreeBSD"

    #define PATH_SEP '/'

#endif

#if defined(__NetBSD__)

    #define PLATFORM_NAME "NetBSD"

    #define PATH_SEP '/'

#endif

#if defined(__OpenBSD__)

    #define PLATFORM_NAME "OpenBSD"

    #define PATH_SEP '/'

#endif


// Solaris 

#if defined(sun) || defined(__sun__)
    
    #define PLATFORM_NAME "Solaris"

    #define PATH_SEP '/'

#endif


// MAC 

#if defined( macintosh )

    #define PLATFORM_NAME "MAC OS"

    #define PATH_SEP ':'

#endif


#if defined(__APPLE__) && defined(__MACH__)

    #define MACOS_X     1

    #define PLATFORM_NAME "MAC OS X"

    #define PATH_SEP ':'

#endif


// Other 

#ifndef PLATFORM_NAME

    #define PLATFORM_NAME "Unknown OS"
    #define PATH_SEP '/'

#endif



/* Define CPUSTRING based on platform */

#if defined(_M_IX86) || defined(__i386__) || defined(__i486__) || defined(__i586__) || defined(__i686__)

    #define CPUSTRING       "x86"
    #define __ARCH_X86__    1

#elif defined(_M_ALPHA) || defined(__alpha__)

    #define CPUSTRING       "Alpha"

#elif defined(__powerpc__)

    #define CPUSTRING       "PowerPC"

#elif defined(__sparc__)

    #define CPUSTRING       "Sparc"

#else

    #define CPUSTRING       "Unknown CPU"

#endif



#if defined(WINDOWS) || defined(_WINDOWS)  || defined(_WIN32) || defined(_WIN64)

    #define OS_WINDOWS  1

#else

    #define OS_UNIX     1

#endif


/*
    correct numeric types:  W8, SW8, W16, SW16, W32, SW32, W64, SW64
    correct char types:     char
    correct misc types:     void, float, wtwtBoolean

    s       -signed
    XX      -Number of bits

*/
#ifdef OS_WINDOWS

    typedef unsigned    __int8      W8,     *PW8;
    typedef signed      __int8      SW8,    *PSW8;
    typedef unsigned    __int16     W16,    *PW16;
    typedef signed      __int16     SW16,   *PSW16;
    typedef unsigned    __int32     W32,    *PW32;
    typedef signed      __int32     SW32,   *PSW32;
    typedef unsigned    __int64     W64,    *PW64;
    typedef signed      __int64     SW64,   *PSW64;

#elif OS_UNIX

    #include <inttypes.h>

    typedef uint8_t             W8,     *PW8;
    typedef int8_t              SW8,    *PSW8;
    typedef uint16_t            W16,    *PW16;
    typedef int16_t             SW16,   *PSW16;
    typedef uint32_t            W32,    *PW32;
    typedef int32_t             SW32,   *PSW32;
    typedef uint64_t            W64,    *PW64;
    typedef int64_t             SW64,   *PSW64;

#endif


/* Define NULL pointer value */
#ifndef NULL

        #ifdef __cplusplus
                #define NULL    0
        #else
                #define NULL    ((void *)0)
        #endif

#endif /* NULL */



/* Define INLINECALL keyword */
#ifndef INLINECALL

    #if defined(__cplusplus) || defined(__GNUC__)

        #define INLINECALL inline

    #elif defined(_WIN32) && !defined(__WATCOMC__)

        #define INLINECALL __inline

    #else

        #define INLINECALL  /* Not supported */

    #endif

#endif /* INLINECALL */



typedef enum
{

   false = 0,
   true  = 1

} wtBoolean;




#define Swap16( x )     ( ( (((W16) (x)) & 0x00FF) << 8 ) | ( (((W16) (x))& 0xFF00) >> 8) )
#define Swap32( x )     ( ( ((W32) (x)) & 0xFF000000) >> 24 ) | ( ((( (W32) (x) ) & 0xFF0000) >> 8)  ) | ( ((( (W32) (x) ) & 0xFF00) << 8 ) ) | ( (( (W32) (x) ) & 0xFF) << 24 )
#define Swap64( x )     ( ( Swap32( (x) & 0xFFFFFFFF ) << 32 ) | Swap32( (x) >> 32 ) )


#if defined(__ARCH_X86__)  // Little endian


    #define LITTLE_ENDIAN_SYSTEM    1


    #define BigShort( x )           Swap16( x )
    #define LittleShort( x )        ( x )

    #define BigLong( x )            Swap32( x )
    #define LittleLong( x )         ( x )

    #define BigFloat( x )           SwapFloat( x )
    #define LittleFloat( x )        ( x )

    #define Big64( x )              Swap64( x )
    #define Little64( x )           ( x )


#else // Big endian

    #define BIG_ENDIAN_SYSTEM   1


    #define BigShort( x )           ( x )
    #define LittleShort( x )        Swap16( x )

    #define BigLong( x )            ( x )
    #define LittleLong( x )         Swap32( x )

    #define BigFloat( x )           ( x )
    #define LittleFloat( x )        SwapFloat( x )

    #define Big64( x )              ( x )
    #define Little64( x )           Swap64( x )

#endif





#endif /* __PLATFORM_H__ */

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Copyright © 2004-2009 Michael Liebscher. Wolfenstein 3-D is a trademark of id Software, Inc. Wolfenstein 3-D Redux is not a supported product of id Software, Inc. Other company and product names may be trademarks or registered trademarks of the respective owners with which they are associated.