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annotate src/SDL.c @ 5262:956d42855c92

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Finished removing unused leak detection code.
author Sam Lantinga <slouken@libsdl.org>
date Fri, 11 Feb 2011 14:42:06 -0800
parents 2ee8112bfc6b
children b530ef003506
rev   line source
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997-2010 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 Lesser General Public
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7 License as published by the Free Software Foundation; either
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8 version 2.1 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 Lesser 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 Lesser General Public
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16 License along with this library; if not, write to the Free Software
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17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 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 #include "SDL_config.h"
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23
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24 /* Initialization code for SDL */
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25
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26 #include "SDL.h"
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27 #include "SDL_fatal.h"
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28 #include "SDL_assert_c.h"
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29 #include "haptic/SDL_haptic_c.h"
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30 #include "joystick/SDL_joystick_c.h"
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31
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32 /* Initialization/Cleanup routines */
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33 #if !SDL_TIMERS_DISABLED
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34 extern void SDL_StartTicks(void);
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35 extern int SDL_TimerInit(void);
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36 extern void SDL_TimerQuit(void);
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37 #endif
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38 #if defined(__WIN32__)
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39 extern int SDL_HelperWindowCreate(void);
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40 extern int SDL_HelperWindowDestroy(void);
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41 #endif
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42
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43
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44 /* The initialized subsystems */
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45 static Uint32 SDL_initialized = 0;
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46 static Uint32 ticks_started = 0;
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47
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48
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49 int
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50 SDL_InitSubSystem(Uint32 flags)
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51 {
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52 #if !SDL_VIDEO_DISABLED
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53 /* Initialize the video/event subsystem */
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54 if ((flags & SDL_INIT_VIDEO) && !(SDL_initialized & SDL_INIT_VIDEO)) {
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55 if (SDL_VideoInit(NULL) < 0) {
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56 return (-1);
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57 }
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58 SDL_initialized |= SDL_INIT_VIDEO;
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59 }
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60 #else
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61 if (flags & SDL_INIT_VIDEO) {
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62 SDL_SetError("SDL not built with video support");
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63 return (-1);
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64 }
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65 #endif
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66
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67 #if !SDL_AUDIO_DISABLED
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68 /* Initialize the audio subsystem */
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69 if ((flags & SDL_INIT_AUDIO) && !(SDL_initialized & SDL_INIT_AUDIO)) {
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70 if (SDL_AudioInit(NULL) < 0) {
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71 return (-1);
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72 }
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73 SDL_initialized |= SDL_INIT_AUDIO;
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74 }
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75 #else
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76 if (flags & SDL_INIT_AUDIO) {
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77 SDL_SetError("SDL not built with audio support");
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78 return (-1);
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79 }
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80 #endif
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81
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82 #if !SDL_TIMERS_DISABLED
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83 /* Initialize the timer subsystem */
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84 if (!ticks_started) {
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85 SDL_StartTicks();
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86 ticks_started = 1;
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87 }
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88 if ((flags & SDL_INIT_TIMER) && !(SDL_initialized & SDL_INIT_TIMER)) {
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89 if (SDL_TimerInit() < 0) {
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90 return (-1);
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91 }
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92 SDL_initialized |= SDL_INIT_TIMER;
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93 }
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94 #else
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95 if (flags & SDL_INIT_TIMER) {
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96 SDL_SetError("SDL not built with timer support");
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97 return (-1);
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98 }
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99 #endif
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100
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101 #if !SDL_JOYSTICK_DISABLED
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102 /* Initialize the joystick subsystem */
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103 if ((flags & SDL_INIT_JOYSTICK) && !(SDL_initialized & SDL_INIT_JOYSTICK)) {
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104 if (SDL_JoystickInit() < 0) {
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105 return (-1);
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106 }
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107 SDL_initialized |= SDL_INIT_JOYSTICK;
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108 }
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109 #else
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110 if (flags & SDL_INIT_JOYSTICK) {
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111 SDL_SetError("SDL not built with joystick support");
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112 return (-1);
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113 }
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114 #endif
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115
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116 #if !SDL_HAPTIC_DISABLED
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117 /* Initialize the haptic subsystem */
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118 if ((flags & SDL_INIT_HAPTIC) && !(SDL_initialized & SDL_INIT_HAPTIC)) {
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119 if (SDL_HapticInit() < 0) {
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120 return (-1);
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121 }
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122 SDL_initialized |= SDL_INIT_HAPTIC;
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123 }
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124 #else
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125 if (flags & SDL_INIT_HAPTIC) {
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126 SDL_SetError("SDL not built with haptic (force feedback) support");
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127 return (-1);
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128 }
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129 #endif
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130 return (0);
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131 }
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132
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133 int
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134 SDL_Init(Uint32 flags)
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135 {
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136 if (SDL_AssertionsInit() < 0) {
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137 return -1;
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138 }
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139
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140 /* Clear the error message */
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141 SDL_ClearError();
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142
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143 #if defined(__WIN32__)
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144 if (SDL_HelperWindowCreate() < 0) {
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145 return -1;
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146 }
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147 #endif
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148
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149 /* Initialize the desired subsystems */
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150 if (SDL_InitSubSystem(flags) < 0) {
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151 return (-1);
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152 }
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153
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154 /* Everything is initialized */
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155 if (!(flags & SDL_INIT_NOPARACHUTE)) {
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156 SDL_InstallParachute();
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157 }
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158
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159 return (0);
0
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160 }
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161
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diff changeset
162 void
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163 SDL_QuitSubSystem(Uint32 flags)
0
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164 {
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165 /* Shut down requested initialized subsystems */
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166 #if !SDL_JOYSTICK_DISABLED
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167 if ((flags & SDL_initialized & SDL_INIT_JOYSTICK)) {
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168 SDL_JoystickQuit();
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169 SDL_initialized &= ~SDL_INIT_JOYSTICK;
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170 }
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171 #endif
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172 #if !SDL_HAPTIC_DISABLED
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173 if ((flags & SDL_initialized & SDL_INIT_HAPTIC)) {
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174 SDL_HapticQuit();
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175 SDL_initialized &= ~SDL_INIT_HAPTIC;
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176 }
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177 #endif
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178 #if !SDL_TIMERS_DISABLED
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179 if ((flags & SDL_initialized & SDL_INIT_TIMER)) {
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180 SDL_TimerQuit();
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181 SDL_initialized &= ~SDL_INIT_TIMER;
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182 }
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183 #endif
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184 #if !SDL_AUDIO_DISABLED
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185 if ((flags & SDL_initialized & SDL_INIT_AUDIO)) {
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diff changeset
186 SDL_AudioQuit();
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diff changeset
187 SDL_initialized &= ~SDL_INIT_AUDIO;
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diff changeset
188 }
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189 #endif
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190 #if !SDL_VIDEO_DISABLED
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191 if ((flags & SDL_initialized & SDL_INIT_VIDEO)) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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192 SDL_VideoQuit();
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diff changeset
193 SDL_initialized &= ~SDL_INIT_VIDEO;
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194 }
0
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195 #endif
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196 }
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197
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diff changeset
198 Uint32
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diff changeset
199 SDL_WasInit(Uint32 flags)
0
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200 {
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diff changeset
201 if (!flags) {
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diff changeset
202 flags = SDL_INIT_EVERYTHING;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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203 }
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204 return (SDL_initialized & flags);
0
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205 }
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206
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diff changeset
207 void
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diff changeset
208 SDL_Quit(void)
0
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209 {
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diff changeset
210 /* Quit all subsystems */
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211 #if defined(__WIN32__)
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212 SDL_HelperWindowDestroy();
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213 #endif
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diff changeset
214 SDL_QuitSubSystem(SDL_INIT_EVERYTHING);
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215
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diff changeset
216 /* Uninstall any parachute signal handlers */
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diff changeset
217 SDL_UninstallParachute();
397
283d348cb624 Pth threading bug fix
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parents: 297
diff changeset
218
5192
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diff changeset
219 SDL_ClearHints();
3647
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220 SDL_AssertionsQuit();
5226
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diff changeset
221 SDL_LogResetPriorities();
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222 }
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223
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diff changeset
224 /* Get the library version number */
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diff changeset
225 void
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226 SDL_GetVersion(SDL_version * ver)
0
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227 {
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228 SDL_VERSION(ver);
0
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229 }
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230
2982
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diff changeset
231 /* Get the library source revision */
4419
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Ryan C. Gordon <icculus@icculus.org>
parents: 3697
diff changeset
232 const char *
2996
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diff changeset
233 SDL_GetRevision(void)
2982
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diff changeset
234 {
2983
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235 return SDL_REVISION;
2982
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236 }
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diff changeset
237
3319
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238 /* Get the name of the platform */
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diff changeset
239 const char *
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diff changeset
240 SDL_GetPlatform()
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diff changeset
241 {
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diff changeset
242 #if __AIX__
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diff changeset
243 return "AIX";
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diff changeset
244 #elif __HAIKU__
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diff changeset
245 /* Haiku must appear here before BeOS, since it also defines __BEOS__ */
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diff changeset
246 return "Haiku";
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diff changeset
247 #elif __BEOS__
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248 return "BeOS";
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249 #elif __BSDI__
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250 return "BSDI";
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diff changeset
251 #elif __DREAMCAST__
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252 return "Dreamcast";
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253 #elif __FREEBSD__
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254 return "FreeBSD";
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255 #elif __HPUX__
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diff changeset
256 return "HP-UX";
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257 #elif __IRIX__
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diff changeset
258 return "Irix";
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diff changeset
259 #elif __LINUX__
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diff changeset
260 return "Linux";
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diff changeset
261 #elif __MINT__
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diff changeset
262 return "Atari MiNT";
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diff changeset
263 #elif __MACOS__
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diff changeset
264 return "MacOS Classic";
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265 #elif __MACOSX__
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266 return "Mac OS X";
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267 #elif __NETBSD__
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268 return "NetBSD";
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diff changeset
269 #elif __OPENBSD__
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270 return "OpenBSD";
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diff changeset
271 #elif __OS2__
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diff changeset
272 return "OS/2";
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273 #elif __OSF__
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diff changeset
274 return "OSF/1";
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diff changeset
275 #elif __QNXNTO__
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diff changeset
276 return "QNX Neutrino";
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277 #elif __RISCOS__
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diff changeset
278 return "RISC OS";
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diff changeset
279 #elif __SOLARIS__
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280 return "Solaris";
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281 #elif __WIN32__
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282 #ifdef _WIN32_WCE
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283 return "Windows CE";
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284 #else
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285 return "Windows";
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286 #endif
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287 #elif __IPHONEOS__
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288 return "iPhone OS";
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289 #else
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290 return "Unknown (see SDL_platform.h)";
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291 #endif
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292 }
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293
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294 #if defined(__WIN32__)
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295
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296 #if !defined(HAVE_LIBC) || (defined(__WATCOMC__) && defined(BUILD_DLL))
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297 /* Need to include DllMain() on Watcom C for some reason.. */
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298 #include "core/windows/SDL_windows.h"
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299
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300 BOOL APIENTRY
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301 _DllMainCRTStartup(HANDLE hModule,
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302 DWORD ul_reason_for_call, LPVOID lpReserved)
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303 {
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304 switch (ul_reason_for_call) {
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305 case DLL_PROCESS_ATTACH:
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306 case DLL_THREAD_ATTACH:
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307 case DLL_THREAD_DETACH:
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308 case DLL_PROCESS_DETACH:
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309 break;
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310 }
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311 return TRUE;
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312 }
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313 #endif /* building DLL with Watcom C */
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314
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315 #endif /* __WIN32__ */
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316
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317 /* vi: set ts=4 sw=4 expandtab: */