2 Simple DirectMedia Layer
5 This software is provided 'as-is', without any express or implied
6 warranty. In no event will the authors be held liable for any damages
7 arising from the use of this software.
9 Permission is granted to anyone to use this software for any purpose,
10 including commercial applications, and to alter it and redistribute it
11 freely, subject to the following restrictions:
13 1. The origin of this software must not be misrepresented; you must not
14 claim that you wrote the original software. If you use this software
15 in a product, an acknowledgment in the product documentation would be
16 appreciated but is not required.
17 2. Altered source versions must be plainly marked as such, and must not be
18 misrepresented as being the original software.
19 3. This notice may not be removed or altered from any source distribution.
25 * This file sets things up for C dynamic library function definitions,
26 * static inlined functions, and structures aligned at 4-byte alignment.
27 * If you don't like ugly C preprocessor code, don't look at this file. :)
30 /* This shouldn't be nested -- included it around code only. */
32 #error Nested inclusion of begin_code.h
36 #ifndef SDL_DEPRECATED
37 # if (__GNUC__ >= 4) /* technically, this arrived in gcc 3.1, but oh well. */
38 # define SDL_DEPRECATED __attribute__((deprecated))
40 # define SDL_DEPRECATED
44 /* Some compilers use a special export keyword */
46 # if defined(__WIN32__) || defined(__WINRT__)
51 # define DECLSPEC __declspec(dllimport)
54 # define DECLSPEC __declspec(dllexport)
57 # if defined(__GNUC__) && __GNUC__ >= 4
58 # define DECLSPEC __attribute__ ((visibility("default")))
59 # elif defined(__GNUC__) && __GNUC__ >= 2
60 # define DECLSPEC __declspec(dllexport)
67 /* By default SDL uses the C calling convention */
69 #if (defined(__WIN32__) || defined(__WINRT__)) && !defined(__GNUC__)
70 #define SDLCALL __cdecl
76 /* Removed DECLSPEC on Symbian OS because SDL cannot be a DLL in EPOC */
80 #endif /* __SYMBIAN32__ */
82 /* Force structure packing at 4 byte alignment.
83 This is necessary if the header is included in code which has structure
84 packing set to an alternate value, say for loading structures from disk.
85 The packing is reset to the previous value in close_code.h
87 #if defined(_MSC_VER) || defined(__MWERKS__) || defined(__BORLANDC__)
89 #pragma warning(disable: 4103)
95 /* Use 8-byte alignment on 64-bit architectures, so pointers are aligned */
100 #endif /* Compiler needs structure packing set */
103 #if defined(__GNUC__)
104 #define SDL_INLINE __inline__
105 #elif defined(_MSC_VER) || defined(__BORLANDC__) || \
106 defined(__DMC__) || defined(__SC__) || \
107 defined(__WATCOMC__) || defined(__LCC__) || \
109 #define SDL_INLINE __inline
111 #define __inline__ __inline
114 #define SDL_INLINE inline
116 #define __inline__ inline
119 #endif /* SDL_INLINE not defined */
121 #ifndef SDL_FORCE_INLINE
122 #if defined(_MSC_VER)
123 #define SDL_FORCE_INLINE __forceinline
124 #elif ( (defined(__GNUC__) && (__GNUC__ >= 4)) || defined(__clang__) )
125 #define SDL_FORCE_INLINE __attribute__((always_inline)) static __inline__
127 #define SDL_FORCE_INLINE static SDL_INLINE
129 #endif /* SDL_FORCE_INLINE not defined */
131 /* Apparently this is needed by several Windows compilers */
132 #if !defined(__MACH__)
137 #define NULL ((void *)0)
140 #endif /* ! Mac OS X - breaks precompiled headers */