Mercurial > sdl-ios-xcode
annotate include/begin_code.h @ 3618:276a6474a449
Merged r4717:4718 from branches/SDL-1.2: minor OS/2 DECLSPEC/SDLCALL fixes.
I reworked this a little. The 1.2 branch isn't really very elegant about this.
| author | Ryan C. Gordon <icculus@icculus.org> |
|---|---|
| date | Wed, 06 Jan 2010 20:58:03 +0000 |
| parents | d3baf5ac4e37 |
| children | 838fcbc09c68 |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 2 SDL - Simple DirectMedia Layer | |
| 2859 | 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 | |
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23 /** |
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24 * \file begin_code.h |
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25 * |
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26 * This file sets things up for C dynamic library function definitions, |
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27 * static inlined functions, and structures aligned at 4-byte alignment. |
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28 * If you don't like ugly C preprocessor code, don't look at this file. :) |
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29 */ |
| 0 | 30 |
| 31 /* This shouldn't be nested -- included it around code only. */ | |
| 32 #ifdef _begin_code_h | |
| 33 #error Nested inclusion of begin_code.h | |
| 34 #endif | |
| 35 #define _begin_code_h | |
| 36 | |
| 37 /* Some compilers use a special export keyword */ | |
| 38 #ifndef DECLSPEC | |
| 3292 | 39 # if defined(__BEOS__) || defined(__HAIKU__) |
| 0 | 40 # if defined(__GNUC__) |
| 41 # define DECLSPEC __declspec(dllexport) | |
| 42 # else | |
| 43 # define DECLSPEC __declspec(export) | |
| 44 # endif | |
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45 # elif defined(__WIN32__) |
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46 # ifdef __BORLANDC__ |
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47 # ifdef BUILD_SDL |
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48 # define DECLSPEC |
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49 # else |
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50 # define DECLSPEC __declspec(dllimport) |
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51 # endif |
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52 # else |
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53 # define DECLSPEC __declspec(dllexport) |
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54 # endif |
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Merged r4717:4718 from branches/SDL-1.2: minor OS/2 DECLSPEC/SDLCALL fixes.
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55 # elif defined(__OS2__) |
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276a6474a449
Merged r4717:4718 from branches/SDL-1.2: minor OS/2 DECLSPEC/SDLCALL fixes.
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parents:
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56 # ifdef BUILD_SDL |
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276a6474a449
Merged r4717:4718 from branches/SDL-1.2: minor OS/2 DECLSPEC/SDLCALL fixes.
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57 # define DECLSPEC __declspec(dllexport) |
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276a6474a449
Merged r4717:4718 from branches/SDL-1.2: minor OS/2 DECLSPEC/SDLCALL fixes.
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58 # else |
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Merged r4717:4718 from branches/SDL-1.2: minor OS/2 DECLSPEC/SDLCALL fixes.
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59 # define DECLSPEC |
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60 # endif |
| 1190 | 61 # else |
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62 # if defined(__GNUC__) && __GNUC__ >= 4 |
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63 # define DECLSPEC __attribute__ ((visibility("default"))) |
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64 # else |
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65 # define DECLSPEC |
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66 # endif |
| 0 | 67 # endif |
| 68 #endif | |
| 69 | |
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70 /* By default SDL uses the C calling convention */ |
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71 #ifndef SDLCALL |
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3618
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Merged r4717:4718 from branches/SDL-1.2: minor OS/2 DECLSPEC/SDLCALL fixes.
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72 # if defined(__WIN32__) && !defined(__GNUC__) |
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73 # define SDLCALL __cdecl |
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74 # elif defined(__OS2__) |
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75 /* Use the _System calling convention to be compatible with every OS/2 |
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76 compiler. (Please note that this used to be _cdecl for GCC, but that |
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77 was a bug. Someone should go examine and fix the XFree86 integration |
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Merged r4717:4718 from branches/SDL-1.2: minor OS/2 DECLSPEC/SDLCALL fixes.
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78 instead. We shouldn't be passing SDLCALL function pointers between SDL |
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276a6474a449
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79 and XFree86!) */ |
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80 # define SDLCALL _System |
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81 # else |
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82 # define SDLCALL |
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83 # endif |
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84 #endif /* SDLCALL */ |
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85 |
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86 /* Removed DECLSPEC on Symbian OS because SDL cannot be a DLL in EPOC */ |
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87 #ifdef __SYMBIAN32__ |
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88 #undef DECLSPEC |
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89 #define DECLSPEC |
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90 #endif /* __SYMBIAN32__ */ |
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91 |
| 0 | 92 /* Force structure packing at 4 byte alignment. |
| 93 This is necessary if the header is included in code which has structure | |
| 94 packing set to an alternate value, say for loading structures from disk. | |
| 95 The packing is reset to the previous value in close_code.h | |
| 96 */ | |
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97 #if defined(_MSC_VER) || defined(__MWERKS__) || defined(__BORLANDC__) |
| 0 | 98 #ifdef _MSC_VER |
| 99 #pragma warning(disable: 4103) | |
| 100 #endif | |
| 101 #ifdef __BORLANDC__ | |
| 102 #pragma nopackwarning | |
| 103 #endif | |
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104 #pragma pack(push,4) |
| 0 | 105 #endif /* Compiler needs structure packing set */ |
| 106 | |
| 107 /* Set up compiler-specific options for inlining functions */ | |
| 108 #ifndef SDL_INLINE_OKAY | |
| 109 #ifdef __GNUC__ | |
| 110 #define SDL_INLINE_OKAY | |
| 111 #else | |
| 112 /* Add any special compiler-specific cases here */ | |
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113 #if defined(_MSC_VER) || defined(__BORLANDC__) || \ |
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114 defined(__DMC__) || defined(__SC__) || \ |
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115 defined(__WATCOMC__) || defined(__LCC__) || \ |
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116 defined(__DECC) |
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117 #ifndef __inline__ |
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118 #define __inline__ __inline |
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119 #endif |
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120 #define SDL_INLINE_OKAY |
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121 #else |
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122 #if !defined(__MRC__) && !defined(_SGI_SOURCE) |
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123 #ifndef __inline__ |
| 0 | 124 #define __inline__ inline |
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125 #endif |
| 0 | 126 #define SDL_INLINE_OKAY |
| 127 #endif /* Not a funky compiler */ | |
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128 #endif /* Visual C++ */ |
| 0 | 129 #endif /* GNU C */ |
| 130 #endif /* SDL_INLINE_OKAY */ | |
| 131 | |
| 132 /* If inlining isn't supported, remove "__inline__", turning static | |
| 133 inlined functions into static functions (resulting in code bloat | |
| 134 in all files which include the offending header files) | |
| 135 */ | |
| 136 #ifndef SDL_INLINE_OKAY | |
| 137 #define __inline__ | |
| 138 #endif | |
| 139 | |
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140 /* Apparently this is needed by several Windows compilers */ |
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141 #if !defined(__MACH__) |
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142 #ifndef NULL |
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143 #ifdef __cplusplus |
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144 #define NULL 0 |
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145 #else |
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146 #define NULL ((void *)0) |
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147 #endif |
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148 #endif /* NULL */ |
| 1621 | 149 #endif /* ! Mac OS X - breaks precompiled headers */ |