| /* |
| SDL - Simple DirectMedia Layer |
| Copyright (C) 1997-2009 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 __declspec(dllexport) |
| # 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 |
| #pragma pack(push,4) |
| #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 */ |