gltypes.h

/*
Copyright (c) 2000-2007 Lee Thomason (www.grinninglizard.com)
Grinning Lizard Utilities.

This software is provided 'as-is', without any express or implied 
warranty. In no event will the authors be held liable for any 
damages arising from the use of this software.

Permission is granted to anyone to use this software for any 
purpose, including commercial applications, and to alter it and 
redistribute it freely, subject to the following restrictions:

1. The origin of this software must not be misrepresented; you must 
not claim that you wrote the original software. If you use this 
software in a product, an acknowledgment in the product documentation 
would be appreciated but is not required.

2. Altered source versions must be plainly marked as such, and 
must not be misrepresented as being the original software.

3. This notice may not be removed or altered from any source 
distribution.
*/



#ifndef GRINLIZ_TYPES_INCLUDED
#define GRINLIZ_TYPES_INCLUDED

#ifdef GL_NO_SDL
        // Typically, this isn't what you want. SDL provides great defaults.
        // But if there isn't SDL:
        
        typedef unsigned char   U8;
        typedef signed char         S8;
        typedef unsigned short  U16;
        typedef signed short    S16;
        typedef unsigned long   U32;
        typedef long                    S32;
        
        #ifdef _MSC_VER
                typedef unsigned __int64        U64;
                typedef __int64                         S64;
        #else
                typedef unsigned long long      U64;
                typedef long long                       S64;
        #endif
        
#else
        #include "SDL_types.h"
        //#include <SDL/SDL_types.h>
        
        typedef Uint8                   U8;
        typedef Sint8               S8;
        typedef Uint16                  U16;
        typedef Sint16                  S16;
        typedef Uint32                  U32;
        typedef Sint32                  S32;
        
        #ifdef SDL_HAS_64BIT_TYPE
                typedef Sint64                          S64;
                typedef Uint64                          U64;
        #else
                #error No 64-bit integer.
        #endif
#endif

// Set up for 64 bit pointers.
#if defined(_MSC_VER) && (_MSC_VER >= 1400 )
        #include <stdlib.h>
        typedef uintptr_t               UPTR;
        typedef intptr_t                SPTR;
#elif defined (__GNUC__) && (__GNUC__ >= 3 )
        #include <inttypes.h>
        typedef uintptr_t               UPTR;
        typedef intptr_t                SPTR;
#else
        // Assume not 64 bit pointers. Get a new compiler.
        typedef U32 UPTR;
        typedef S32 SPTR;
#endif

#endif

---