/* SDL - Simple DirectMedia Layer Copyright (C) 1997-2012 Sam Lantinga This library is free software; you can redistribute it and/or modify it under the terms of the GNU Library General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This library 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 Library General Public License for more details. You should have received a copy of the GNU Library General Public License along with this library; if not, write to the Free Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA Sam Lantinga slouken@libsdl.org*//** * @file begin_code.h * This file sets things up for C dynamic library function definitions, * static inlined functions, and structures aligned at 4-byte alignment. * If you don't like ugly C preprocessor code, don't look at this file. :) *//** * @file begin_code.h * This shouldn't be nested -- included it around code only. */#ifdef _begin_code_h#error Nested inclusion of begin_code.h#endif#define _begin_code_h/** * @def DECLSPEC * Some compilers use a special export keyword */#ifndef DECLSPEC# if defined(__BEOS__) || defined(__HAIKU__)# if defined(__GNUC__)# define DECLSPEC# else# define DECLSPEC __declspec(export)# endif# elif defined(__WIN32__)# ifdef __BORLANDC__# ifdef BUILD_SDL# define DECLSPEC # else# define DECLSPEC __declspec(dllimport)# endif# else# define DECLSPEC __declspec(dllexport)# endif# elif defined(__OS2__)# ifdef __WATCOMC__# ifdef BUILD_SDL# define DECLSPEC __declspec(dllexport)# else# define DECLSPEC# endif# elif defined (__GNUC__) && __GNUC__ < 4# /* Added support for GCC-EMX <v4.x */# /* this is needed for XFree86/OS2 developement */# /* F. Ambacher(anakor@snafu.de) 05.2008 */# ifdef BUILD_SDL# define DECLSPEC __declspec(dllexport)# else# define DECLSPEC# endif# else# define DECLSPEC# endif# else# if defined(__GNUC__) && __GNUC__ >= 4# define DECLSPEC __attribute__ ((visibility("default")))# else# define DECLSPEC# endif# endif#endif/** * @def SDLCALL * By default SDL uses the C calling convention */#ifndef SDLCALL# if defined(__WIN32__) && !defined(__GNUC__)# define SDLCALL __cdecl# elif defined(__OS2__)# if defined (__GNUC__) && __GNUC__ < 4# /* Added support for GCC-EMX <v4.x */# /* this is needed for XFree86/OS2 developement */# /* F. Ambacher(anakor@snafu.de) 05.2008 */# define SDLCALL _cdecl# else# /* On other compilers on OS/2, we use the _System calling convention */# /* to be compatible with every compiler */# define SDLCALL _System# endif# else# define SDLCALL# endif#endif /* SDLCALL */#ifdef __SYMBIAN32__ #ifndef EKA2 #undef DECLSPEC#define DECLSPEC#elif !defined(__WINS__)#undef DECLSPEC#define DECLSPEC __declspec(dllexport)#endif /* !EKA2 */#endif /* __SYMBIAN32__ *//** * @file begin_code.h * Force structure packing at 4 byte alignment. * This is necessary if the header is included in code which has structure * packing set to an alternate value, say for loading structures from disk. * The packing is reset to the previous value in close_code.h */#if defined(_MSC_VER) || defined(__MWERKS__) || defined(__BORLANDC__)#ifdef _MSC_VER#pragma warning(disable: 4103)#endif#ifdef __BORLANDC__#pragma nopackwarning#endif#ifdef _M_X64/* Use 8-byte alignment on 64-bit architectures, so pointers are aligned */#pragma pack(push,8)#else#pragma pack(push,4)#endif#elif (defined(__MWERKS__) && defined(__MACOS__))#pragma options align=mac68k4byte#pragma enumsalwaysint on#endif /* Compiler needs structure packing set *//** * @def SDL_INLINE_OKAY * Set up compiler-specific options for inlining functions */#ifndef SDL_INLINE_OKAY#ifdef __GNUC__#define SDL_INLINE_OKAY#else/* Add any special compiler-specific cases here */#if defined(_MSC_VER) || defined(__BORLANDC__) || \ defined(__DMC__) || defined(__SC__) || \ defined(__WATCOMC__) || defined(__LCC__) || \ defined(__DECC) || defined(__EABI__)#ifndef __inline__#define __inline__ __inline#endif#define SDL_INLINE_OKAY#else#if !defined(__MRC__) && !defined(_SGI_SOURCE)#ifndef __inline__#define __inline__ inline#endif#define SDL_INLINE_OKAY#endif /* Not a funky compiler */#endif /* Visual C++ */#endif /* GNU C */#endif /* SDL_INLINE_OKAY *//** * @def __inline__ * If inlining isn't supported, remove "__inline__", turning static * inlined functions into static functions (resulting in code bloat * in all files which include the offending header files) */#ifndef SDL_INLINE_OKAY#define __inline__#endif/** * @def NULL * Apparently this is needed by several Windows compilers */#if !defined(__MACH__)#ifndef NULL#ifdef __cplusplus#define NULL 0#else#define NULL ((void *)0)#endif#endif /* NULL */#endif /* ! Mac OS X - breaks precompiled headers */