Mercurial > sdl-ios-xcode
annotate include/begin_code.h @ 2879:3ff86c46d324
Use SDL_zerop instead of SDL_memset.
author | Ryan C. Gordon <icculus@icculus.org> |
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date | Fri, 19 Dec 2008 06:43:41 +0000 |
parents | 99210400e8b9 |
children | a67a961e2171 |
rev | line source |
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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 | |
23 /* This file sets things up for C dynamic library function definitions, | |
24 static inlined functions, and structures aligned at 4-byte alignment. | |
25 If you don't like ugly C preprocessor code, don't look at this file. :) | |
26 */ | |
27 | |
28 /* This shouldn't be nested -- included it around code only. */ | |
29 #ifdef _begin_code_h | |
30 #error Nested inclusion of begin_code.h | |
31 #endif | |
32 #define _begin_code_h | |
33 | |
34 /* Some compilers use a special export keyword */ | |
35 #ifndef DECLSPEC | |
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36 # if defined(__BEOS__) |
0 | 37 # if defined(__GNUC__) |
38 # define DECLSPEC __declspec(dllexport) | |
39 # else | |
40 # define DECLSPEC __declspec(export) | |
41 # endif | |
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42 # elif defined(__WIN32__) |
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43 # ifdef __BORLANDC__ |
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44 # ifdef BUILD_SDL |
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45 # define DECLSPEC |
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46 # else |
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47 # define DECLSPEC __declspec(dllimport) |
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48 # endif |
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49 # else |
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50 # define DECLSPEC __declspec(dllexport) |
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51 # endif |
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52 # elif defined(__OS2__) |
1190 | 53 # ifdef __WATCOMC__ |
54 # ifdef BUILD_SDL | |
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55 # define DECLSPEC __declspec(dllexport) |
1190 | 56 # else |
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57 # define DECLSPEC |
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58 # endif |
1190 | 59 # else |
60 # define DECLSPEC | |
61 # endif | |
62 # else | |
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63 # if defined(__GNUC__) && __GNUC__ >= 4 |
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64 # define DECLSPEC __attribute__ ((visibility("default"))) |
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65 # else |
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66 # define DECLSPEC |
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67 # endif |
0 | 68 # endif |
69 #endif | |
70 | |
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71 /* By default SDL uses the C calling convention */ |
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72 #ifndef SDLCALL |
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73 #if defined(__WIN32__) && !defined(__GNUC__) |
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74 #define SDLCALL __cdecl |
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75 #else |
1190 | 76 #ifdef __OS2__ |
77 /* But on OS/2, we use the _System calling convention */ | |
78 /* to be compatible with every compiler */ | |
79 #define SDLCALL _System | |
80 #else | |
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81 #define SDLCALL |
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82 #endif |
1190 | 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 */ |