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| | | /* |
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| | | Simple DirectMedia Layer |
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| | | Copyright (C) 1997-2014 Sam Lantinga <slouken@libsdl.org> |
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| | | |
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| | | This software is provided 'as-is', without any express or implied |
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| | | warranty. In no event will the authors be held liable for any damages |
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| | | arising from the use of this software. |
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| | | |
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| | | Permission is granted to anyone to use this software for any purpose, |
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| | | including commercial applications, and to alter it and redistribute it |
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| | | freely, subject to the following restrictions: |
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| | | |
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| | | 1. The origin of this software must not be misrepresented; you must not |
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| | | claim that you wrote the original software. If you use this software |
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| | | in a product, an acknowledgment in the product documentation would be |
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| | | appreciated but is not required. |
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| | | 2. Altered source versions must be plainly marked as such, and must not be |
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| | | misrepresented as being the original software. |
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| | | 3. This notice may not be removed or altered from any source distribution. |
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| | | */ |
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| | | |
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| | | /** |
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| | | * \file begin_code.h |
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| | | * |
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| | | * This file sets things up for C dynamic library function definitions, |
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| | | * static inlined functions, and structures aligned at 4-byte alignment. |
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| | | * If you don't like ugly C preprocessor code, don't look at this file. :) |
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| | | */ |
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| | | |
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| | | /* This shouldn't be nested -- included it around code only. */ |
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| | | #ifdef _begin_code_h |
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| | | #error Nested inclusion of begin_code.h |
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| | | #endif |
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| | | #define _begin_code_h |
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| | | |
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| | | #ifndef SDL_DEPRECATED |
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| | | # if (__GNUC__ >= 4) /* technically, this arrived in gcc 3.1, but oh well. */ |
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| | | # define SDL_DEPRECATED __attribute__((deprecated)) |
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| | | # else |
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| | | # define SDL_DEPRECATED |
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| | | # endif |
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| | | #endif |
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| | | |
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| | | /* Some compilers use a special export keyword */ |
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| | | #ifndef DECLSPEC |
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| | | # if defined(__WIN32__) || defined(__WINRT__) |
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| | | # ifdef __BORLANDC__ |
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| | | # ifdef BUILD_SDL |
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| | | # define DECLSPEC |
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| | | # else |
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| | | # define DECLSPEC __declspec(dllimport) |
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| | | # endif |
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| | | # else |
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| | | # define DECLSPEC __declspec(dllexport) |
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| | | # endif |
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| | | # else |
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| | | # if defined(__GNUC__) && __GNUC__ >= 4 |
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| | | # define DECLSPEC __attribute__ ((visibility("default"))) |
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| | | # elif defined(__GNUC__) && __GNUC__ >= 2 |
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| | | # define DECLSPEC __declspec(dllexport) |
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| | | # else |
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| | | # define DECLSPEC |
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| | | # endif |
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| | | # endif |
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| | | #endif |
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| | | |
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| | | /* By default SDL uses the C calling convention */ |
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| | | #ifndef SDLCALL |
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| | | #if (defined(__WIN32__) || defined(__WINRT__)) && !defined(__GNUC__) |
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| | | #define SDLCALL __cdecl |
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| | | #else |
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| | | #define SDLCALL |
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| | | #endif |
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| | | #endif /* SDLCALL */ |
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| | | |
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| | | /* Removed DECLSPEC on Symbian OS because SDL cannot be a DLL in EPOC */ |
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| | | #ifdef __SYMBIAN32__ |
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| | | #undef DECLSPEC |
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| | | #define DECLSPEC |
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| | | #endif /* __SYMBIAN32__ */ |
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| | | |
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| | | /* Force structure packing at 4 byte alignment. |
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| | | This is necessary if the header is included in code which has structure |
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| | | packing set to an alternate value, say for loading structures from disk. |
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| | | The packing is reset to the previous value in close_code.h |
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| | | */ |
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| | | #if defined(_MSC_VER) || defined(__MWERKS__) || defined(__BORLANDC__) |
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| | | #ifdef _MSC_VER |
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| | | #pragma warning(disable: 4103) |
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| | | #endif |
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| | | #ifdef __BORLANDC__ |
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| | | #pragma nopackwarning |
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| | | #endif |
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| | | #ifdef _M_X64 |
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| | | /* Use 8-byte alignment on 64-bit architectures, so pointers are aligned */ |
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| | | #pragma pack(push,8) |
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| | | #else |
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| | | #pragma pack(push,4) |
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| | | #endif |
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| | | #endif /* Compiler needs structure packing set */ |
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| | | |
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| | | #ifndef SDL_INLINE |
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| | | #if defined(__GNUC__) |
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| | | #define SDL_INLINE __inline__ |
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| | | #elif defined(_MSC_VER) || defined(__BORLANDC__) || \ |
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| | | defined(__DMC__) || defined(__SC__) || \ |
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| | | defined(__WATCOMC__) || defined(__LCC__) || \ |
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| | | defined(__DECC) |
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| | | #define SDL_INLINE __inline |
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| | | #ifndef __inline__ |
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| | | #define __inline__ __inline |
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| | | #endif |
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| | | #else |
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| | | #define SDL_INLINE inline |
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| | | #ifndef __inline__ |
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| | | #define __inline__ inline |
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| | | #endif |
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| | | #endif |
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| | | #endif /* SDL_INLINE not defined */ |
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| | | |
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| | | #ifndef SDL_FORCE_INLINE |
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| | | #if defined(_MSC_VER) |
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| | | #define SDL_FORCE_INLINE __forceinline |
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| | | #elif ( (defined(__GNUC__) && (__GNUC__ >= 4)) || defined(__clang__) ) |
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| | | #define SDL_FORCE_INLINE __attribute__((always_inline)) static __inline__ |
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| | | #else |
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| | | #define SDL_FORCE_INLINE static SDL_INLINE |
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| | | #endif |
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| | | #endif /* SDL_FORCE_INLINE not defined */ |
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| | | |
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| | | /* Apparently this is needed by several Windows compilers */ |
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| | | #if !defined(__MACH__) |
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| | | #ifndef NULL |
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| | | #ifdef __cplusplus |
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| | | #define NULL 0 |
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| | | #else |
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| | | #define NULL ((void *)0) |
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| | | #endif |
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| | | #endif /* NULL */ |
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| | | #endif /* ! Mac OS X - breaks precompiled headers */ |
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