annotate include/begin_code.h @ 2507:8ef1d0f4d0c1 gsoc2008_force_feedback

Gain is set to max on haptic device open. Autocenter is disabled on haptic device open. Maximum gain can be set by SDL_HAPTIC_GAIN_MAX.
author Edgar Simo <bobbens@gmail.com>
date Tue, 08 Jul 2008 19:55:12 +0000
parents 9a48d1a6fbec
children 99210400e8b9
rev   line source
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997-2004 Sam Lantinga
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4
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5 This library is free software; you can redistribute it and/or
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6 modify it under the terms of the GNU Library General Public
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7 License as published by the Free Software Foundation; either
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8 version 2 of the License, or (at your option) any later version.
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9
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10 This library is distributed in the hope that it will be useful,
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11 but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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13 Library General Public License for more details.
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14
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15 You should have received a copy of the GNU Library General Public
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16 License along with this library; if not, write to the Free
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17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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18
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19 Sam Lantinga
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20 slouken@libsdl.org
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21 */
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22
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23 /* This file sets things up for C dynamic library function definitions,
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24 static inlined functions, and structures aligned at 4-byte alignment.
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25 If you don't like ugly C preprocessor code, don't look at this file. :)
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26 */
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27
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28 /* This shouldn't be nested -- included it around code only. */
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29 #ifdef _begin_code_h
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30 #error Nested inclusion of begin_code.h
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31 #endif
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32 #define _begin_code_h
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33
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34 /* Some compilers use a special export keyword */
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35 #ifndef DECLSPEC
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36 # if defined(__BEOS__)
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37 # if defined(__GNUC__)
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38 # define DECLSPEC __declspec(dllexport)
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39 # else
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40 # define DECLSPEC __declspec(export)
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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__)
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53 # ifdef __WATCOMC__
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54 # ifdef BUILD_SDL
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55 # define DECLSPEC __declspec(dllexport)
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56 # else
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57 # define DECLSPEC
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58 # endif
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59 # else
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60 # define DECLSPEC
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61 # endif
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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
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68 # endif
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69 #endif
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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
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76 #ifdef __OS2__
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77 /* But on OS/2, we use the _System calling convention */
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78 /* to be compatible with every compiler */
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79 #define SDLCALL _System
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80 #else
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81 #define SDLCALL
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82 #endif
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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
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92 /* Force structure packing at 4 byte alignment.
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93 This is necessary if the header is included in code which has structure
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94 packing set to an alternate value, say for loading structures from disk.
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95 The packing is reset to the previous value in close_code.h
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96 */
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97 #if defined(_MSC_VER) || defined(__MWERKS__) || defined(__BORLANDC__)
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98 #ifdef _MSC_VER
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99 #pragma warning(disable: 4103)
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100 #endif
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101 #ifdef __BORLANDC__
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102 #pragma nopackwarning
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103 #endif
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104 #pragma pack(push,4)
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105 #endif /* Compiler needs structure packing set */
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106
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107 /* Set up compiler-specific options for inlining functions */
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108 #ifndef SDL_INLINE_OKAY
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109 #ifdef __GNUC__
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110 #define SDL_INLINE_OKAY
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111 #else
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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__
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124 #define __inline__ inline
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125 #endif
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126 #define SDL_INLINE_OKAY
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127 #endif /* Not a funky compiler */
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128 #endif /* Visual C++ */
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129 #endif /* GNU C */
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130 #endif /* SDL_INLINE_OKAY */
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131
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132 /* If inlining isn't supported, remove "__inline__", turning static
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133 inlined functions into static functions (resulting in code bloat
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134 in all files which include the offending header files)
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135 */
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136 #ifndef SDL_INLINE_OKAY
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137 #define __inline__
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138 #endif
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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 */
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149 #endif /* ! Mac OS X - breaks precompiled headers */