diff options
Diffstat (limited to 'src/contrib/SDL-2.30.2/include/begin_code.h')
-rw-r--r-- | src/contrib/SDL-2.30.2/include/begin_code.h | 189 |
1 files changed, 189 insertions, 0 deletions
diff --git a/src/contrib/SDL-2.30.2/include/begin_code.h b/src/contrib/SDL-2.30.2/include/begin_code.h new file mode 100644 index 0000000..a47a7d2 --- /dev/null +++ b/src/contrib/SDL-2.30.2/include/begin_code.h | |||
@@ -0,0 +1,189 @@ | |||
1 | /* | ||
2 | Simple DirectMedia Layer | ||
3 | Copyright (C) 1997-2024 Sam Lantinga <slouken@libsdl.org> | ||
4 | |||
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. | ||
8 | |||
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: | ||
12 | |||
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. | ||
20 | */ | ||
21 | |||
22 | /** | ||
23 | * \file begin_code.h | ||
24 | * | ||
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. :) | ||
28 | */ | ||
29 | |||
30 | /* This shouldn't be nested -- included it around code only. */ | ||
31 | #ifdef SDL_begin_code_h | ||
32 | #error Nested inclusion of begin_code.h | ||
33 | #endif | ||
34 | #define SDL_begin_code_h | ||
35 | |||
36 | #ifndef SDL_DEPRECATED | ||
37 | # if defined(__GNUC__) && (__GNUC__ >= 4) /* technically, this arrived in gcc 3.1, but oh well. */ | ||
38 | # define SDL_DEPRECATED __attribute__((deprecated)) | ||
39 | # elif defined(_MSC_VER) | ||
40 | # define SDL_DEPRECATED __declspec(deprecated) | ||
41 | # else | ||
42 | # define SDL_DEPRECATED | ||
43 | # endif | ||
44 | #endif | ||
45 | |||
46 | #ifndef SDL_UNUSED | ||
47 | # ifdef __GNUC__ | ||
48 | # define SDL_UNUSED __attribute__((unused)) | ||
49 | # else | ||
50 | # define SDL_UNUSED | ||
51 | # endif | ||
52 | #endif | ||
53 | |||
54 | /* Some compilers use a special export keyword */ | ||
55 | #ifndef DECLSPEC | ||
56 | # if defined(__WIN32__) || defined(__WINRT__) || defined(__CYGWIN__) || defined(__GDK__) | ||
57 | # ifdef DLL_EXPORT | ||
58 | # define DECLSPEC __declspec(dllexport) | ||
59 | # else | ||
60 | # define DECLSPEC | ||
61 | # endif | ||
62 | # elif defined(__OS2__) | ||
63 | # ifdef BUILD_SDL | ||
64 | # define DECLSPEC __declspec(dllexport) | ||
65 | # else | ||
66 | # define DECLSPEC | ||
67 | # endif | ||
68 | # else | ||
69 | # if defined(__GNUC__) && __GNUC__ >= 4 | ||
70 | # define DECLSPEC __attribute__ ((visibility("default"))) | ||
71 | # else | ||
72 | # define DECLSPEC | ||
73 | # endif | ||
74 | # endif | ||
75 | #endif | ||
76 | |||
77 | /* By default SDL uses the C calling convention */ | ||
78 | #ifndef SDLCALL | ||
79 | #if (defined(__WIN32__) || defined(__WINRT__) || defined(__GDK__)) && !defined(__GNUC__) | ||
80 | #define SDLCALL __cdecl | ||
81 | #elif defined(__OS2__) || defined(__EMX__) | ||
82 | #define SDLCALL _System | ||
83 | # if defined (__GNUC__) && !defined(_System) | ||
84 | # define _System /* for old EMX/GCC compat. */ | ||
85 | # endif | ||
86 | #else | ||
87 | #define SDLCALL | ||
88 | #endif | ||
89 | #endif /* SDLCALL */ | ||
90 | |||
91 | /* Removed DECLSPEC on Symbian OS because SDL cannot be a DLL in EPOC */ | ||
92 | #ifdef __SYMBIAN32__ | ||
93 | #undef DECLSPEC | ||
94 | #define DECLSPEC | ||
95 | #endif /* __SYMBIAN32__ */ | ||
96 | |||
97 | /* Force structure packing at 4 byte alignment. | ||
98 | This is necessary if the header is included in code which has structure | ||
99 | packing set to an alternate value, say for loading structures from disk. | ||
100 | The packing is reset to the previous value in close_code.h | ||
101 | */ | ||
102 | #if defined(_MSC_VER) || defined(__MWERKS__) || defined(__BORLANDC__) | ||
103 | #ifdef _MSC_VER | ||
104 | #pragma warning(disable: 4103) | ||
105 | #endif | ||
106 | #ifdef __clang__ | ||
107 | #pragma clang diagnostic ignored "-Wpragma-pack" | ||
108 | #endif | ||
109 | #ifdef __BORLANDC__ | ||
110 | #pragma nopackwarning | ||
111 | #endif | ||
112 | #ifdef _WIN64 | ||
113 | /* Use 8-byte alignment on 64-bit architectures, so pointers are aligned */ | ||
114 | #pragma pack(push,8) | ||
115 | #else | ||
116 | #pragma pack(push,4) | ||
117 | #endif | ||
118 | #endif /* Compiler needs structure packing set */ | ||
119 | |||
120 | #ifndef SDL_INLINE | ||
121 | #if defined(__GNUC__) | ||
122 | #define SDL_INLINE __inline__ | ||
123 | #elif defined(_MSC_VER) || defined(__BORLANDC__) || \ | ||
124 | defined(__DMC__) || defined(__SC__) || \ | ||
125 | defined(__WATCOMC__) || defined(__LCC__) || \ | ||
126 | defined(__DECC) || defined(__CC_ARM) | ||
127 | #define SDL_INLINE __inline | ||
128 | #ifndef __inline__ | ||
129 | #define __inline__ __inline | ||
130 | #endif | ||
131 | #else | ||
132 | #define SDL_INLINE inline | ||
133 | #ifndef __inline__ | ||
134 | #define __inline__ inline | ||
135 | #endif | ||
136 | #endif | ||
137 | #endif /* SDL_INLINE not defined */ | ||
138 | |||
139 | #ifndef SDL_FORCE_INLINE | ||
140 | #if defined(_MSC_VER) | ||
141 | #define SDL_FORCE_INLINE __forceinline | ||
142 | #elif ( (defined(__GNUC__) && (__GNUC__ >= 4)) || defined(__clang__) ) | ||
143 | #define SDL_FORCE_INLINE __attribute__((always_inline)) static __inline__ | ||
144 | #else | ||
145 | #define SDL_FORCE_INLINE static SDL_INLINE | ||
146 | #endif | ||
147 | #endif /* SDL_FORCE_INLINE not defined */ | ||
148 | |||
149 | #ifndef SDL_NORETURN | ||
150 | #if defined(__GNUC__) | ||
151 | #define SDL_NORETURN __attribute__((noreturn)) | ||
152 | #elif defined(_MSC_VER) | ||
153 | #define SDL_NORETURN __declspec(noreturn) | ||
154 | #else | ||
155 | #define SDL_NORETURN | ||
156 | #endif | ||
157 | #endif /* SDL_NORETURN not defined */ | ||
158 | |||
159 | /* Apparently this is needed by several Windows compilers */ | ||
160 | #if !defined(__MACH__) | ||
161 | #ifndef NULL | ||
162 | #ifdef __cplusplus | ||
163 | #define NULL 0 | ||
164 | #else | ||
165 | #define NULL ((void *)0) | ||
166 | #endif | ||
167 | #endif /* NULL */ | ||
168 | #endif /* ! Mac OS X - breaks precompiled headers */ | ||
169 | |||
170 | #ifndef SDL_FALLTHROUGH | ||
171 | #if (defined(__cplusplus) && __cplusplus >= 201703L) || \ | ||
172 | (defined(__STDC_VERSION__) && __STDC_VERSION__ >= 202000L) | ||
173 | #define SDL_FALLTHROUGH [[fallthrough]] | ||
174 | #else | ||
175 | #if defined(__has_attribute) | ||
176 | #define SDL_HAS_FALLTHROUGH __has_attribute(__fallthrough__) | ||
177 | #else | ||
178 | #define SDL_HAS_FALLTHROUGH 0 | ||
179 | #endif /* __has_attribute */ | ||
180 | #if SDL_HAS_FALLTHROUGH && \ | ||
181 | ((defined(__GNUC__) && __GNUC__ >= 7) || \ | ||
182 | (defined(__clang_major__) && __clang_major__ >= 10)) | ||
183 | #define SDL_FALLTHROUGH __attribute__((__fallthrough__)) | ||
184 | #else | ||
185 | #define SDL_FALLTHROUGH do {} while (0) /* fallthrough */ | ||
186 | #endif /* SDL_HAS_FALLTHROUGH */ | ||
187 | #undef SDL_HAS_FALLTHROUGH | ||
188 | #endif /* C++17 or C2x */ | ||
189 | #endif /* SDL_FALLTHROUGH not defined */ | ||