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annotate src/SDL.c @ 4495:dbbfdb9ea716

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Simplified clipboard API for sanity's sake. A complete clipboard implementation would support multiple formats that could be queried at runtime, events for when the clipboard contents changed, support for HTML, images, etc. We're not going that crazy, at least for now. :)
author Sam Lantinga <slouken@libsdl.org>
date Wed, 07 Jul 2010 23:54:03 -0700
parents 791b3256fb22
children e8916fe9cfc8
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 #if !SDL_VIDEO_DISABLED
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33 #include "video/SDL_leaks.h"
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34 #endif
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35
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36 /* Initialization/Cleanup routines */
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37 #if !SDL_TIMERS_DISABLED
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38 extern void SDL_StartTicks(void);
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39 extern int SDL_TimerInit(void);
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40 extern void SDL_TimerQuit(void);
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41 #endif
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42 #if defined(__WIN32__)
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43 extern int SDL_HelperWindowCreate(void);
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44 extern int SDL_HelperWindowDestroy(void);
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45 #endif
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46
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47
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48 /* The initialized subsystems */
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49 static Uint32 SDL_initialized = 0;
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50 static Uint32 ticks_started = 0;
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51
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52 #ifdef CHECK_LEAKS
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53 int surfaces_allocated = 0;
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54 #endif
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55
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56 int
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57 SDL_InitSubSystem(Uint32 flags)
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58 {
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59 #if !SDL_VIDEO_DISABLED
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60 /* Initialize the video/event subsystem */
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61 if ((flags & SDL_INIT_VIDEO) && !(SDL_initialized & SDL_INIT_VIDEO)) {
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62 if (SDL_VideoInit(NULL, (flags & SDL_INIT_EVENTTHREAD)) < 0) {
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63 return (-1);
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64 }
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65 SDL_initialized |= SDL_INIT_VIDEO;
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66 }
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67 #else
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68 if (flags & SDL_INIT_VIDEO) {
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69 SDL_SetError("SDL not built with video support");
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70 return (-1);
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71 }
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72 #endif
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73
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74 #if !SDL_AUDIO_DISABLED
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75 /* Initialize the audio subsystem */
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76 if ((flags & SDL_INIT_AUDIO) && !(SDL_initialized & SDL_INIT_AUDIO)) {
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77 if (SDL_AudioInit(NULL) < 0) {
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78 return (-1);
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79 }
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80 SDL_initialized |= SDL_INIT_AUDIO;
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81 }
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82 #else
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83 if (flags & SDL_INIT_AUDIO) {
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84 SDL_SetError("SDL not built with audio support");
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85 return (-1);
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86 }
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87 #endif
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88
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89 #if !SDL_TIMERS_DISABLED
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90 /* Initialize the timer subsystem */
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91 if (!ticks_started) {
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92 SDL_StartTicks();
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93 ticks_started = 1;
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94 }
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95 if ((flags & SDL_INIT_TIMER) && !(SDL_initialized & SDL_INIT_TIMER)) {
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96 if (SDL_TimerInit() < 0) {
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97 return (-1);
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98 }
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99 SDL_initialized |= SDL_INIT_TIMER;
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100 }
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101 #else
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102 if (flags & SDL_INIT_TIMER) {
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103 SDL_SetError("SDL not built with timer support");
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104 return (-1);
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105 }
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106 #endif
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107
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108 #if !SDL_JOYSTICK_DISABLED
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109 /* Initialize the joystick subsystem */
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110 if ((flags & SDL_INIT_JOYSTICK) && !(SDL_initialized & SDL_INIT_JOYSTICK)) {
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111 if (SDL_JoystickInit() < 0) {
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112 return (-1);
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113 }
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114 SDL_initialized |= SDL_INIT_JOYSTICK;
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115 }
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116 #else
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117 if (flags & SDL_INIT_JOYSTICK) {
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118 SDL_SetError("SDL not built with joystick support");
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119 return (-1);
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120 }
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121 #endif
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122
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123 #if !SDL_HAPTIC_DISABLED
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124 /* Initialize the haptic subsystem */
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125 if ((flags & SDL_INIT_HAPTIC) && !(SDL_initialized & SDL_INIT_HAPTIC)) {
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126 if (SDL_HapticInit() < 0) {
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127 return (-1);
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128 }
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129 SDL_initialized |= SDL_INIT_HAPTIC;
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130 }
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131 #else
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132 if (flags & SDL_INIT_HAPTIC) {
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133 SDL_SetError("SDL not built with haptic (force feedback) support");
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134 return (-1);
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135 }
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136 #endif
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137 return (0);
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138 }
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139
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140 int
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141 SDL_Init(Uint32 flags)
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142 {
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143 if (SDL_AssertionsInit() < 0) {
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144 return -1;
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145 }
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146
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147 /* Clear the error message */
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148 SDL_ClearError();
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149
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150 #if defined(__WIN32__)
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151 if (SDL_HelperWindowCreate() < 0) {
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152 return -1;
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153 }
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154 #endif
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155
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156 /* Initialize the desired subsystems */
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157 if (SDL_InitSubSystem(flags) < 0) {
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158 return (-1);
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159 }
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160
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161 /* Everything is initialized */
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162 if (!(flags & SDL_INIT_NOPARACHUTE)) {
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163 SDL_InstallParachute();
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164 }
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165
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166 return (0);
0
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167 }
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168
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169 void
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170 SDL_QuitSubSystem(Uint32 flags)
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171 {
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172 /* Shut down requested initialized subsystems */
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173 #if !SDL_JOYSTICK_DISABLED
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174 if ((flags & SDL_initialized & SDL_INIT_JOYSTICK)) {
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175 SDL_JoystickQuit();
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176 SDL_initialized &= ~SDL_INIT_JOYSTICK;
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177 }
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178 #endif
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179 #if !SDL_HAPTIC_DISABLED
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180 if ((flags & SDL_initialized & SDL_INIT_HAPTIC)) {
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181 SDL_HapticQuit();
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182 SDL_initialized &= ~SDL_INIT_HAPTIC;
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183 }
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184 #endif
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185 #if !SDL_TIMERS_DISABLED
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186 if ((flags & SDL_initialized & SDL_INIT_TIMER)) {
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187 SDL_TimerQuit();
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188 SDL_initialized &= ~SDL_INIT_TIMER;
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189 }
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190 #endif
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191 #if !SDL_AUDIO_DISABLED
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192 if ((flags & SDL_initialized & SDL_INIT_AUDIO)) {
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193 SDL_AudioQuit();
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194 SDL_initialized &= ~SDL_INIT_AUDIO;
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195 }
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196 #endif
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197 #if !SDL_VIDEO_DISABLED
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198 if ((flags & SDL_initialized & SDL_INIT_VIDEO)) {
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199 SDL_VideoQuit();
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200 SDL_initialized &= ~SDL_INIT_VIDEO;
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201 }
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202 #endif
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203 }
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204
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205 Uint32
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206 SDL_WasInit(Uint32 flags)
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207 {
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208 if (!flags) {
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209 flags = SDL_INIT_EVERYTHING;
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210 }
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211 return (SDL_initialized & flags);
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212 }
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213
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214 void
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215 SDL_Quit(void)
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216 {
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217 /* Quit all subsystems */
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218 #ifdef DEBUG_BUILD
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219 printf("[SDL_Quit] : Enter! Calling QuitSubSystem()\n");
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220 fflush(stdout);
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221 #endif
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222
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223 #if defined(__WIN32__)
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224 SDL_HelperWindowDestroy();
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225 #endif
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226 SDL_QuitSubSystem(SDL_INIT_EVERYTHING);
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227
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228 #ifdef CHECK_LEAKS
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229 #ifdef DEBUG_BUILD
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230 printf("[SDL_Quit] : CHECK_LEAKS\n");
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231 fflush(stdout);
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232 #endif
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233
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234 /* !!! FIXME: make this an assertion. */
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235 /* Print the number of surfaces not freed */
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236 if (surfaces_allocated != 0) {
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237 fprintf(stderr, "SDL Warning: %d SDL surfaces extant\n",
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238 surfaces_allocated);
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239 }
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240 #endif
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241 #ifdef DEBUG_BUILD
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242 printf("[SDL_Quit] : SDL_UninstallParachute()\n");
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243 fflush(stdout);
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244 #endif
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245
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246 /* Uninstall any parachute signal handlers */
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247 SDL_UninstallParachute();
397
283d348cb624 Pth threading bug fix
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248
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249 SDL_AssertionsQuit();
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250
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251 #ifdef DEBUG_BUILD
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252 printf("[SDL_Quit] : Returning!\n");
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253 fflush(stdout);
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254 #endif
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255
0
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256 }
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257
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258 /* Get the library version number */
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259 void
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260 SDL_GetVersion(SDL_version * ver)
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261 {
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262 SDL_VERSION(ver);
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263 }
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264
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265 /* Get the library source revision */
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266 const char *
2996
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267 SDL_GetRevision(void)
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268 {
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269 return SDL_REVISION;
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270 }
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271
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272 /* Get the name of the platform */
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diff changeset
273 const char *
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274 SDL_GetPlatform()
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275 {
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276 #if __AIX__
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277 return "AIX";
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278 #elif __HAIKU__
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279 /* Haiku must appear here before BeOS, since it also defines __BEOS__ */
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280 return "Haiku";
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281 #elif __BEOS__
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282 return "BeOS";
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283 #elif __BSDI__
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284 return "BSDI";
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285 #elif __DREAMCAST__
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286 return "Dreamcast";
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287 #elif __FREEBSD__
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288 return "FreeBSD";
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289 #elif __HPUX__
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290 return "HP-UX";
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291 #elif __IRIX__
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292 return "Irix";
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293 #elif __LINUX__
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294 return "Linux";
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295 #elif __MINT__
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296 return "Atari MiNT";
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297 #elif __MACOS__
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298 return "MacOS Classic";
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299 #elif __MACOSX__
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300 return "Mac OS X";
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301 #elif __NETBSD__
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302 return "NetBSD";
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303 #elif __OPENBSD__
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304 return "OpenBSD";
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305 #elif __OS2__
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306 return "OS/2";
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307 #elif __OSF__
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308 return "OSF/1";
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309 #elif __QNXNTO__
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310 return "QNX Neutrino";
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311 #elif __RISCOS__
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312 return "RISC OS";
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313 #elif __SOLARIS__
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314 return "Solaris";
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315 #elif __WIN32__
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316 #ifdef _WIN32_WCE
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317 return "Windows CE";
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318 #else
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319 return "Windows";
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320 #endif
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321 #elif __IPHONEOS__
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322 return "iPhone OS";
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323 #else
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324 return "Unknown (see SDL_platform.h)";
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325 #endif
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326 }
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327
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328 #if defined(__WIN32__)
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329
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330 #if !defined(HAVE_LIBC) || (defined(__WATCOMC__) && defined(BUILD_DLL))
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331 /* Need to include DllMain() on Watcom C for some reason.. */
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332 #define WIN32_LEAN_AND_MEAN
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333 #include <windows.h>
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334
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335 BOOL APIENTRY
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336 _DllMainCRTStartup(HANDLE hModule,
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337 DWORD ul_reason_for_call, LPVOID lpReserved)
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338 {
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339 switch (ul_reason_for_call) {
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340 case DLL_PROCESS_ATTACH:
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341 case DLL_THREAD_ATTACH:
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342 case DLL_THREAD_DETACH:
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343 case DLL_PROCESS_DETACH:
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344 break;
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345 }
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346 return TRUE;
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347 }
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348 #endif /* building DLL with Watcom C */
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349
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350 #endif /* __WIN32__ */
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351
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352 /* vi: set ts=4 sw=4 expandtab: */