Mercurial > sdl-ios-xcode
annotate include/begin_code.h @ 4231:2d5c44f1be14 SDL-1.2
Added missing newline
| author | Sam Lantinga <slouken@libsdl.org> |
|---|---|
| date | Tue, 22 Sep 2009 02:37:30 +0000 |
| parents | 4c4113c2162c |
| children | 0d4756e57224 |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 2 SDL - Simple DirectMedia Layer | |
| 4159 | 3 Copyright (C) 1997-2009 Sam Lantinga |
| 0 | 4 |
| 5 This library is free software; you can redistribute it and/or | |
| 6 modify it under the terms of the GNU Library General Public | |
| 7 License as published by the Free Software Foundation; either | |
| 8 version 2 of the License, or (at your option) any later version. | |
| 9 | |
| 10 This library is distributed in the hope that it will be useful, | |
| 11 but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 13 Library General Public License for more details. | |
| 14 | |
| 15 You should have received a copy of the GNU Library General Public | |
| 16 License along with this library; if not, write to the Free | |
| 17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
| 18 | |
| 19 Sam Lantinga | |
|
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20 slouken@libsdl.org |
| 0 | 21 */ |
| 22 | |
| 4217 | 23 /** |
| 24 * @file begin_code.h | |
| 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 */ | |
| 0 | 29 |
| 4217 | 30 /** |
| 31 * @file begin_code.h | |
| 32 * This shouldn't be nested -- included it around code only. | |
| 33 */ | |
| 0 | 34 #ifdef _begin_code_h |
| 35 #error Nested inclusion of begin_code.h | |
| 36 #endif | |
| 37 #define _begin_code_h | |
| 38 | |
| 4217 | 39 /** |
| 40 * @def DECLSPEC | |
| 41 * Some compilers use a special export keyword | |
| 42 */ | |
| 0 | 43 #ifndef DECLSPEC |
|
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44 # if defined(__BEOS__) || defined(__HAIKU__) |
| 0 | 45 # if defined(__GNUC__) |
| 46 # define DECLSPEC __declspec(dllexport) | |
| 47 # else | |
| 48 # define DECLSPEC __declspec(export) | |
| 49 # endif | |
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50 # elif defined(__WIN32__) |
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51 # ifdef __BORLANDC__ |
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52 # ifdef BUILD_SDL |
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53 # define DECLSPEC |
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54 # else |
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55 # define DECLSPEC __declspec(dllimport) |
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56 # endif |
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57 # else |
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58 # define DECLSPEC __declspec(dllexport) |
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59 # endif |
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60 # elif defined(__OS2__) |
| 1190 | 61 # ifdef __WATCOMC__ |
| 62 # ifdef BUILD_SDL | |
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63 # define DECLSPEC __declspec(dllexport) |
| 1190 | 64 # else |
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65 # define DECLSPEC |
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66 # endif |
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67 # elif defined (__GNUC__) && __GNUC__ < 4 |
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68 # /* Added support for GCC-EMX <v4.x */ |
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69 # /* this is needed for XFree86/OS2 developement */ |
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70 # /* F. Ambacher(anakor@snafu.de) 05.2008 */ |
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71 # ifdef BUILD_SDL |
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72 # define DECLSPEC __declspec(dllexport) |
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73 # else |
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74 # define DECLSPEC |
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75 # endif |
| 1190 | 76 # else |
| 77 # define DECLSPEC | |
| 78 # endif | |
| 79 # else | |
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80 # if defined(__GNUC__) && __GNUC__ >= 4 |
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81 # define DECLSPEC __attribute__ ((visibility("default"))) |
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82 # else |
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83 # define DECLSPEC |
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84 # endif |
| 0 | 85 # endif |
| 86 #endif | |
| 87 | |
| 4217 | 88 /** |
| 89 * @def SDLCALL | |
| 90 * By default SDL uses the C calling convention | |
| 91 */ | |
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92 #ifndef SDLCALL |
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93 # if defined(__WIN32__) && !defined(__GNUC__) |
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94 # define SDLCALL __cdecl |
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95 # elif defined(__OS2__) |
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96 # if defined (__GNUC__) && __GNUC__ < 4 |
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97 # /* Added support for GCC-EMX <v4.x */ |
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98 # /* this is needed for XFree86/OS2 developement */ |
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99 # /* F. Ambacher(anakor@snafu.de) 05.2008 */ |
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100 # define SDLCALL _cdecl |
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101 # else |
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102 # /* On other compilers on OS/2, we use the _System calling convention */ |
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103 # /* to be compatible with every compiler */ |
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104 # define SDLCALL _System |
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105 # endif |
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106 # else |
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107 # define SDLCALL |
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108 # endif |
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109 #endif /* SDLCALL */ |
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110 |
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111 #ifdef __SYMBIAN32__ |
| 3975 | 112 #ifndef EKA2 |
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113 #undef DECLSPEC |
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114 #define DECLSPEC |
| 3975 | 115 #elif !defined(__WINS__) |
| 116 #undef DECLSPEC | |
| 117 #define DECLSPEC __declspec(dllexport) | |
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118 #endif /* !EKA2 */ |
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119 #endif /* __SYMBIAN32__ */ |
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120 |
| 4217 | 121 /** |
| 122 * @file begin_code.h | |
| 123 * Force structure packing at 4 byte alignment. | |
| 124 * This is necessary if the header is included in code which has structure | |
| 125 * packing set to an alternate value, say for loading structures from disk. | |
| 126 * The packing is reset to the previous value in close_code.h | |
| 0 | 127 */ |
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128 #if defined(_MSC_VER) || defined(__MWERKS__) || defined(__BORLANDC__) |
| 0 | 129 #ifdef _MSC_VER |
| 130 #pragma warning(disable: 4103) | |
| 131 #endif | |
| 132 #ifdef __BORLANDC__ | |
| 133 #pragma nopackwarning | |
| 134 #endif | |
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135 #pragma pack(push,4) |
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136 #elif (defined(__MWERKS__) && defined(__MACOS__)) |
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137 #pragma options align=mac68k4byte |
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138 #pragma enumsalwaysint on |
| 0 | 139 #endif /* Compiler needs structure packing set */ |
| 140 | |
| 4217 | 141 /** |
| 142 * @def SDL_INLINE_OKAY | |
| 143 * Set up compiler-specific options for inlining functions | |
| 144 */ | |
| 0 | 145 #ifndef SDL_INLINE_OKAY |
| 146 #ifdef __GNUC__ | |
| 147 #define SDL_INLINE_OKAY | |
| 148 #else | |
| 149 /* Add any special compiler-specific cases here */ | |
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150 #if defined(_MSC_VER) || defined(__BORLANDC__) || \ |
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151 defined(__DMC__) || defined(__SC__) || \ |
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152 defined(__WATCOMC__) || defined(__LCC__) || \ |
| 3975 | 153 defined(__DECC) || defined(__EABI__) |
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154 #ifndef __inline__ |
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155 #define __inline__ __inline |
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156 #endif |
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157 #define SDL_INLINE_OKAY |
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158 #else |
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159 #if !defined(__MRC__) && !defined(_SGI_SOURCE) |
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160 #ifndef __inline__ |
| 0 | 161 #define __inline__ inline |
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162 #endif |
| 0 | 163 #define SDL_INLINE_OKAY |
| 164 #endif /* Not a funky compiler */ | |
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165 #endif /* Visual C++ */ |
| 0 | 166 #endif /* GNU C */ |
| 167 #endif /* SDL_INLINE_OKAY */ | |
| 168 | |
| 4217 | 169 /** |
| 170 * @def __inline__ | |
| 171 * If inlining isn't supported, remove "__inline__", turning static | |
| 172 * inlined functions into static functions (resulting in code bloat | |
| 173 * in all files which include the offending header files) | |
| 174 */ | |
| 0 | 175 #ifndef SDL_INLINE_OKAY |
| 176 #define __inline__ | |
| 177 #endif | |
| 178 | |
| 4217 | 179 /** |
| 180 * @def NULL | |
| 181 * Apparently this is needed by several Windows compilers | |
| 182 */ | |
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183 #if !defined(__MACH__) |
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184 #ifndef NULL |
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185 #ifdef __cplusplus |
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186 #define NULL 0 |
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187 #else |
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188 #define NULL ((void *)0) |
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189 #endif |
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190 #endif /* NULL */ |
| 1621 | 191 #endif /* ! Mac OS X - breaks precompiled headers */ |