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annotate src/SDL_assert.c @ 5172:ededa1ccf91c

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Switched the SDL 1.2 compatibility to use the window surface, so it's fast even when there's no hardware acceleration available. This means that the YUV overlay now uses software, but that's okay since fast YUV code should be using the textures now anyway.
author Sam Lantinga <slouken@libsdl.org>
date Thu, 03 Feb 2011 21:13:55 -0800
parents 327f181542f1
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
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23 #include "SDL.h"
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24 #include "SDL_atomic.h"
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25 #include "SDL_assert.h"
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26 #include "SDL_assert_c.h"
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27 #include "video/SDL_sysvideo.h"
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28
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29 #ifdef __WIN32__
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30 #include "core/windows/SDL_windows.h"
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31
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32 #ifndef WS_OVERLAPPEDWINDOW
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33 #define WS_OVERLAPPEDWINDOW 0
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34 #endif
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35 #else /* fprintf, _exit(), etc. */
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36 #include <stdio.h>
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37 #include <stdlib.h>
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38 #include <unistd.h>
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39 #endif
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40
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41 static SDL_assert_state
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42 SDL_PromptAssertion(const SDL_assert_data *data, void *userdata);
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43
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44 /*
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45 * We keep all triggered assertions in a singly-linked list so we can
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46 * generate a report later.
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47 */
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48 static SDL_assert_data assertion_list_terminator = { 0, 0, 0, 0, 0, 0, 0 };
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49 static SDL_assert_data *triggered_assertions = &assertion_list_terminator;
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50
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51 static SDL_mutex *assertion_mutex = NULL;
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52 static SDL_AssertionHandler assertion_handler = SDL_PromptAssertion;
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53 static void *assertion_userdata = NULL;
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54
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55 #ifdef __GNUC__
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56 static void
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57 debug_print(const char *fmt, ...) __attribute__((format (printf, 1, 2)));
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58 #endif
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59
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60 static void
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61 debug_print(const char *fmt, ...)
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62 {
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63 #ifdef __WIN32__
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64 /* Format into a buffer for OutputDebugStringA(). */
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65 char buf[1024];
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66 char *startptr;
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67 char *ptr;
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68 LPTSTR tstr;
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69 int len;
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70 va_list ap;
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71 va_start(ap, fmt);
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72 len = (int) SDL_vsnprintf(buf, sizeof (buf), fmt, ap);
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73 va_end(ap);
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74
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75 /* Visual C's vsnprintf() may not null-terminate the buffer. */
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76 if ((len >= sizeof (buf)) || (len < 0)) {
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77 buf[sizeof (buf) - 1] = '\0';
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78 }
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79
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80 /* Write it, sorting out the Unix newlines... */
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81 startptr = buf;
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82 for (ptr = startptr; *ptr; ptr++) {
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83 if (*ptr == '\n') {
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84 *ptr = '\0';
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85 tstr = WIN_UTF8ToString(startptr);
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86 OutputDebugString(tstr);
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87 SDL_free(tstr);
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88 OutputDebugString(TEXT("\r\n"));
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89 startptr = ptr+1;
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90 }
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91 }
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92
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93 /* catch that last piece if it didn't have a newline... */
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94 if (startptr != ptr) {
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95 tstr = WIN_UTF8ToString(startptr);
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96 OutputDebugString(tstr);
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97 SDL_free(tstr);
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98 }
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99 #else
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100 /* Unix has it easy. Just dump it to stderr. */
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101 va_list ap;
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102 va_start(ap, fmt);
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103 vfprintf(stderr, fmt, ap);
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104 va_end(ap);
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105 fflush(stderr);
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106 #endif
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107 }
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108
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109
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110 #ifdef __WIN32__
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111 static SDL_assert_state SDL_Windows_AssertChoice = SDL_ASSERTION_ABORT;
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112 static const SDL_assert_data *SDL_Windows_AssertData = NULL;
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113
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114 static LRESULT CALLBACK
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115 SDL_Assertion_WndProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
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116 {
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117 switch (msg)
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118 {
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119 case WM_CREATE:
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120 {
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121 /* !!! FIXME: all this code stinks. */
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122 const SDL_assert_data *data = SDL_Windows_AssertData;
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123 char buf[1024];
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124 LPTSTR tstr;
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125 const int w = 100;
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126 const int h = 25;
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127 const int gap = 10;
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128 int x = gap;
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129 int y = 50;
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130 int len;
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131 int i;
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132 static const struct {
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133 LPCTSTR name;
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134 SDL_assert_state state;
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135 } buttons[] = {
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136 {TEXT("Abort"), SDL_ASSERTION_ABORT },
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137 {TEXT("Break"), SDL_ASSERTION_BREAK },
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138 {TEXT("Retry"), SDL_ASSERTION_RETRY },
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139 {TEXT("Ignore"), SDL_ASSERTION_IGNORE },
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140 {TEXT("Always Ignore"), SDL_ASSERTION_ALWAYS_IGNORE },
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141 };
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142
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143 len = (int) SDL_snprintf(buf, sizeof (buf),
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144 "Assertion failure at %s (%s:%d), triggered %u time%s:\r\n '%s'",
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diff changeset
145 data->function, data->filename, data->linenum,
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146 data->trigger_count, (data->trigger_count == 1) ? "" : "s",
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147 data->condition);
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148 if ((len < 0) || (len >= sizeof (buf))) {
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149 buf[sizeof (buf) - 1] = '\0';
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150 }
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151
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152 tstr = WIN_UTF8ToString(buf);
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153 CreateWindow(TEXT("STATIC"), tstr,
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154 WS_VISIBLE | WS_CHILD | SS_LEFT,
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155 x, y, 550, 100,
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156 hwnd, (HMENU) 1, NULL, NULL);
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157 SDL_free(tstr);
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158 y += 110;
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159
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160 for (i = 0; i < (sizeof (buttons) / sizeof (buttons[0])); i++) {
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161 CreateWindow(TEXT("BUTTON"), buttons[i].name,
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162 WS_VISIBLE | WS_CHILD,
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163 x, y, w, h,
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164 hwnd, (HMENU) buttons[i].state, NULL, NULL);
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165 x += w + gap;
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166 }
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167 break;
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168 }
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169
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170 case WM_COMMAND:
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171 SDL_Windows_AssertChoice = ((SDL_assert_state) (LOWORD(wParam)));
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172 SDL_Windows_AssertData = NULL;
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173 break;
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174
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175 case WM_DESTROY:
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176 SDL_Windows_AssertData = NULL;
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177 break;
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178 }
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179
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180 return DefWindowProc(hwnd, msg, wParam, lParam);
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181 }
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182
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183 static SDL_assert_state
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184 SDL_PromptAssertion_windows(const SDL_assert_data *data)
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185 {
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186 HINSTANCE hInstance = 0; /* !!! FIXME? */
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187 HWND hwnd;
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188 MSG msg;
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189 WNDCLASS wc = {0};
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190
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191 SDL_Windows_AssertChoice = SDL_ASSERTION_ABORT;
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192 SDL_Windows_AssertData = data;
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193
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194 wc.lpszClassName = TEXT("SDL_assert");
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195 wc.hInstance = hInstance ;
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196 wc.hbrBackground = GetSysColorBrush(COLOR_3DFACE);
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197 wc.lpfnWndProc = SDL_Assertion_WndProc;
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198 wc.hCursor = LoadCursor(0, IDC_ARROW);
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199
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200 RegisterClass(&wc);
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diff changeset
201 hwnd = CreateWindow(wc.lpszClassName, TEXT("SDL assertion failure"),
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202 WS_OVERLAPPEDWINDOW | WS_VISIBLE,
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203 150, 150, 570, 260, 0, 0, hInstance, 0);
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204
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205 while (GetMessage(&msg, NULL, 0, 0) && (SDL_Windows_AssertData != NULL)) {
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206 TranslateMessage(&msg);
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diff changeset
207 DispatchMessage(&msg);
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diff changeset
208 }
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209
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diff changeset
210 DestroyWindow(hwnd);
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diff changeset
211 UnregisterClass(wc.lpszClassName, hInstance);
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parents:
diff changeset
212 return SDL_Windows_AssertChoice;
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parents:
diff changeset
213 }
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diff changeset
214 #endif
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diff changeset
215
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diff changeset
216
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diff changeset
217 static void SDL_AddAssertionToReport(SDL_assert_data *data)
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diff changeset
218 {
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diff changeset
219 /* (data) is always a static struct defined with the assert macros, so
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diff changeset
220 we don't have to worry about copying or allocating them. */
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diff changeset
221 if (data->next == NULL) { /* not yet added? */
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diff changeset
222 data->next = triggered_assertions;
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diff changeset
223 triggered_assertions = data;
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diff changeset
224 }
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225 }
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226
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227
3647
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228 static void SDL_GenerateAssertionReport(void)
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229 {
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230 const SDL_assert_data *item;
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231
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232 /* only do this if the app hasn't assigned an assertion handler. */
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233 if (assertion_handler != SDL_PromptAssertion)
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diff changeset
234 return;
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235
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236 item = SDL_GetAssertionReport();
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237 if (item->condition)
3647
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diff changeset
238 {
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
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239 debug_print("\n\nSDL assertion report.\n");
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diff changeset
240 debug_print("All SDL assertions between last init/quit:\n\n");
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241
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242 while (item->condition) {
3647
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diff changeset
243 debug_print(
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
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diff changeset
244 "'%s'\n"
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diff changeset
245 " * %s (%s:%d)\n"
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diff changeset
246 " * triggered %u time%s.\n"
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diff changeset
247 " * always ignore: %s.\n",
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
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diff changeset
248 item->condition, item->function, item->filename,
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diff changeset
249 item->linenum, item->trigger_count,
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diff changeset
250 (item->trigger_count == 1) ? "" : "s",
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
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parents:
diff changeset
251 item->always_ignore ? "yes" : "no");
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
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diff changeset
252 item = item->next;
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diff changeset
253 }
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
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diff changeset
254 debug_print("\n");
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diff changeset
255
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diff changeset
256 SDL_ResetAssertionReport();
3647
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diff changeset
257 }
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
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diff changeset
258 }
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diff changeset
259
3661
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260 static void SDL_ExitProcess(int exitcode)
3647
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diff changeset
261 {
5088
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262 #ifdef __WIN32__
3647
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diff changeset
263 ExitProcess(42);
3656
f17ea6f49745 Assume _exit() is available. It may be, even if unix isn't defined.
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parents: 3655
diff changeset
264 #else
3647
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diff changeset
265 _exit(42);
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
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diff changeset
266 #endif
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
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diff changeset
267 }
3661
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268
22b6a0c7ea6e Handle assertion failures during assertion handler.
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269 static void SDL_AbortAssertion(void)
22b6a0c7ea6e Handle assertion failures during assertion handler.
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diff changeset
270 {
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diff changeset
271 SDL_Quit();
22b6a0c7ea6e Handle assertion failures during assertion handler.
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diff changeset
272 SDL_ExitProcess(42);
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273 }
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274
3647
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275
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276 static SDL_assert_state
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diff changeset
277 SDL_PromptAssertion(const SDL_assert_data *data, void *userdata)
3647
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278 {
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279 const char *envr;
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280 SDL_assert_state state = SDL_ASSERTION_ABORT;
3685
64ce267332c6 Switched from SDL_WindowID and SDL_TextureID to SDL_Window* and SDL_Texture* for code simplicity and improved performance.
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diff changeset
281 SDL_Window *window;
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282
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diff changeset
283 (void) userdata; /* unused in default handler. */
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284
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285 debug_print("\n\n"
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286 "Assertion failure at %s (%s:%d), triggered %u time%s:\n"
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287 " '%s'\n"
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diff changeset
288 "\n",
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diff changeset
289 data->function, data->filename, data->linenum,
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parents:
diff changeset
290 data->trigger_count, (data->trigger_count == 1) ? "" : "s",
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parents:
diff changeset
291 data->condition);
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292
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293 /* let env. variable override, so unit tests won't block in a GUI. */
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294 envr = SDL_getenv("SDL_ASSERT");
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diff changeset
295 if (envr != NULL) {
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parents:
diff changeset
296 if (SDL_strcmp(envr, "abort") == 0) {
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297 return SDL_ASSERTION_ABORT;
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diff changeset
298 } else if (SDL_strcmp(envr, "break") == 0) {
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diff changeset
299 return SDL_ASSERTION_BREAK;
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diff changeset
300 } else if (SDL_strcmp(envr, "retry") == 0) {
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diff changeset
301 return SDL_ASSERTION_RETRY;
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parents:
diff changeset
302 } else if (SDL_strcmp(envr, "ignore") == 0) {
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303 return SDL_ASSERTION_IGNORE;
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diff changeset
304 } else if (SDL_strcmp(envr, "always_ignore") == 0) {
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diff changeset
305 return SDL_ASSERTION_ALWAYS_IGNORE;
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
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parents:
diff changeset
306 } else {
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diff changeset
307 return SDL_ASSERTION_ABORT; /* oh well. */
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
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parents:
diff changeset
308 }
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309 }
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310
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311 /* Leave fullscreen mode, if possible (scary!) */
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diff changeset
312 window = SDL_GetFocusWindow();
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313 if (window) {
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diff changeset
314 if (SDL_GetWindowFlags(window) & SDL_WINDOW_FULLSCREEN) {
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diff changeset
315 SDL_MinimizeWindow(window);
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316 } else {
3670
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317 /* !!! FIXME: ungrab the input if we're not fullscreen? */
3657
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318 /* No need to mess with the window */
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319 window = 0;
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320 }
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321 }
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322
3647
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323 /* platform-specific UI... */
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324
5088
c2539ff054c8 Fixed compiling on Windows Mobile SDK 5.0 with Visual Studio 2008
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parents: 5064
diff changeset
325 #ifdef __WIN32__
3657
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diff changeset
326 state = SDL_PromptAssertion_windows(data);
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327
3690
e431b888ac6c Fixed compilation on iPhone
Sam Lantinga <slouken@libsdl.org>
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diff changeset
328 #elif __MACOSX__
3647
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diff changeset
329 /* This has to be done in an Objective-C (*.m) file, so we call out. */
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330 extern SDL_assert_state SDL_PromptAssertion_cocoa(const SDL_assert_data *);
3657
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diff changeset
331 state = SDL_PromptAssertion_cocoa(data);
3647
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diff changeset
332
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diff changeset
333 #else
3647
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diff changeset
334 /* this is a little hacky. */
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diff changeset
335 for ( ; ; ) {
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parents:
diff changeset
336 char buf[32];
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diff changeset
337 fprintf(stderr, "Abort/Break/Retry/Ignore/AlwaysIgnore? [abriA] : ");
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diff changeset
338 fflush(stderr);
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parents:
diff changeset
339 if (fgets(buf, sizeof (buf), stdin) == NULL) {
3657
eaea59cee6f2 Leave fullscreen mode to pop an assertion dialog
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diff changeset
340 break;
3647
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diff changeset
341 }
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parents:
diff changeset
342
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
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diff changeset
343 if (SDL_strcmp(buf, "a") == 0) {
3657
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diff changeset
344 state = SDL_ASSERTION_ABORT;
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diff changeset
345 break;
3647
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diff changeset
346 } else if (SDL_strcmp(envr, "b") == 0) {
3657
eaea59cee6f2 Leave fullscreen mode to pop an assertion dialog
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diff changeset
347 state = SDL_ASSERTION_BREAK;
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diff changeset
348 break;
3647
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diff changeset
349 } else if (SDL_strcmp(envr, "r") == 0) {
3657
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diff changeset
350 state = SDL_ASSERTION_RETRY;
eaea59cee6f2 Leave fullscreen mode to pop an assertion dialog
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diff changeset
351 break;
3647
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diff changeset
352 } else if (SDL_strcmp(envr, "i") == 0) {
3657
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diff changeset
353 state = SDL_ASSERTION_IGNORE;
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diff changeset
354 break;
3647
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parents:
diff changeset
355 } else if (SDL_strcmp(envr, "A") == 0) {
3657
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diff changeset
356 state = SDL_ASSERTION_ALWAYS_IGNORE;
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diff changeset
357 break;
3647
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parents:
diff changeset
358 }
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
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parents:
diff changeset
359 }
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
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parents:
diff changeset
360 #endif
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
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parents:
diff changeset
361
3657
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diff changeset
362 /* Re-enter fullscreen mode */
eaea59cee6f2 Leave fullscreen mode to pop an assertion dialog
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diff changeset
363 if (window) {
eaea59cee6f2 Leave fullscreen mode to pop an assertion dialog
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parents: 3656
diff changeset
364 SDL_RestoreWindow(window);
eaea59cee6f2 Leave fullscreen mode to pop an assertion dialog
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parents: 3656
diff changeset
365 }
eaea59cee6f2 Leave fullscreen mode to pop an assertion dialog
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diff changeset
366
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diff changeset
367 return state;
3647
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
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diff changeset
368 }
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
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parents:
diff changeset
369
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
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parents:
diff changeset
370
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
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parents:
diff changeset
371 SDL_assert_state
3655
1cc7f0143c12 Moved SDL_FUNCTION out so it's always available, and added SDL_FILE and SDL_LINE
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parents: 3651
diff changeset
372 SDL_ReportAssertion(SDL_assert_data *data, const char *func, const char *file,
1cc7f0143c12 Moved SDL_FUNCTION out so it's always available, and added SDL_FILE and SDL_LINE
Sam Lantinga <slouken@libsdl.org>
parents: 3651
diff changeset
373 int line)
3647
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parents:
diff changeset
374 {
3661
22b6a0c7ea6e Handle assertion failures during assertion handler.
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diff changeset
375 static int assertion_running = 0;
3662
6a0b3048f271 Handle assertion failures when SDL_Init() isn't called.
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parents: 3661
diff changeset
376 static SDL_SpinLock spinlock = 0;
3661
22b6a0c7ea6e Handle assertion failures during assertion handler.
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diff changeset
377 SDL_assert_state state = SDL_ASSERTION_IGNORE;
3647
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parents:
diff changeset
378
3662
6a0b3048f271 Handle assertion failures when SDL_Init() isn't called.
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diff changeset
379 SDL_AtomicLock(&spinlock);
6a0b3048f271 Handle assertion failures when SDL_Init() isn't called.
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parents: 3661
diff changeset
380 if (assertion_mutex == NULL) { /* never called SDL_Init()? */
6a0b3048f271 Handle assertion failures when SDL_Init() isn't called.
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parents: 3661
diff changeset
381 assertion_mutex = SDL_CreateMutex();
6a0b3048f271 Handle assertion failures when SDL_Init() isn't called.
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parents: 3661
diff changeset
382 if (assertion_mutex == NULL) {
6a0b3048f271 Handle assertion failures when SDL_Init() isn't called.
Ryan C. Gordon <icculus@icculus.org>
parents: 3661
diff changeset
383 SDL_AtomicUnlock(&spinlock);
6a0b3048f271 Handle assertion failures when SDL_Init() isn't called.
Ryan C. Gordon <icculus@icculus.org>
parents: 3661
diff changeset
384 return SDL_ASSERTION_IGNORE; /* oh well, I guess. */
6a0b3048f271 Handle assertion failures when SDL_Init() isn't called.
Ryan C. Gordon <icculus@icculus.org>
parents: 3661
diff changeset
385 }
6a0b3048f271 Handle assertion failures when SDL_Init() isn't called.
Ryan C. Gordon <icculus@icculus.org>
parents: 3661
diff changeset
386 }
6a0b3048f271 Handle assertion failures when SDL_Init() isn't called.
Ryan C. Gordon <icculus@icculus.org>
parents: 3661
diff changeset
387 SDL_AtomicUnlock(&spinlock);
6a0b3048f271 Handle assertion failures when SDL_Init() isn't called.
Ryan C. Gordon <icculus@icculus.org>
parents: 3661
diff changeset
388
3647
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
389 if (SDL_LockMutex(assertion_mutex) < 0) {
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
390 return SDL_ASSERTION_IGNORE; /* oh well, I guess. */
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
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parents:
diff changeset
391 }
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
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parents:
diff changeset
392
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
393 /* doing this because Visual C is upset over assigning in the macro. */
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
394 if (data->trigger_count == 0) {
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
395 data->function = func;
3655
1cc7f0143c12 Moved SDL_FUNCTION out so it's always available, and added SDL_FILE and SDL_LINE
Sam Lantinga <slouken@libsdl.org>
parents: 3651
diff changeset
396 data->filename = file;
1cc7f0143c12 Moved SDL_FUNCTION out so it's always available, and added SDL_FILE and SDL_LINE
Sam Lantinga <slouken@libsdl.org>
parents: 3651
diff changeset
397 data->linenum = line;
3647
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
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parents:
diff changeset
398 }
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
399
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
400 SDL_AddAssertionToReport(data);
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
401
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
402 data->trigger_count++;
3661
22b6a0c7ea6e Handle assertion failures during assertion handler.
Ryan C. Gordon <icculus@icculus.org>
parents: 3657
diff changeset
403
22b6a0c7ea6e Handle assertion failures during assertion handler.
Ryan C. Gordon <icculus@icculus.org>
parents: 3657
diff changeset
404 assertion_running++;
22b6a0c7ea6e Handle assertion failures during assertion handler.
Ryan C. Gordon <icculus@icculus.org>
parents: 3657
diff changeset
405 if (assertion_running > 1) { /* assert during assert! Abort. */
22b6a0c7ea6e Handle assertion failures during assertion handler.
Ryan C. Gordon <icculus@icculus.org>
parents: 3657
diff changeset
406 if (assertion_running == 2) {
22b6a0c7ea6e Handle assertion failures during assertion handler.
Ryan C. Gordon <icculus@icculus.org>
parents: 3657
diff changeset
407 SDL_AbortAssertion();
22b6a0c7ea6e Handle assertion failures during assertion handler.
Ryan C. Gordon <icculus@icculus.org>
parents: 3657
diff changeset
408 } else if (assertion_running == 3) { /* Abort asserted! */
22b6a0c7ea6e Handle assertion failures during assertion handler.
Ryan C. Gordon <icculus@icculus.org>
parents: 3657
diff changeset
409 SDL_ExitProcess(42);
22b6a0c7ea6e Handle assertion failures during assertion handler.
Ryan C. Gordon <icculus@icculus.org>
parents: 3657
diff changeset
410 } else {
22b6a0c7ea6e Handle assertion failures during assertion handler.
Ryan C. Gordon <icculus@icculus.org>
parents: 3657
diff changeset
411 while (1) { /* do nothing but spin; what else can you do?! */ }
22b6a0c7ea6e Handle assertion failures during assertion handler.
Ryan C. Gordon <icculus@icculus.org>
parents: 3657
diff changeset
412 }
3647
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
413 }
c5925cd41955 First pass at Ryan's assertion code, minor tweaks to come.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
414
3661
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415 if (!data->always_ignore) {
3670
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416 state = assertion_handler(data, assertion_userdata);
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417 }
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418
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419 switch (state)
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420 {
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421 case SDL_ASSERTION_ABORT:
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422 SDL_AbortAssertion();
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423 return SDL_ASSERTION_IGNORE; /* shouldn't return, but oh well. */
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424
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425 case SDL_ASSERTION_ALWAYS_IGNORE:
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426 state = SDL_ASSERTION_IGNORE;
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427 data->always_ignore = 1;
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428 break;
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429
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430 case SDL_ASSERTION_IGNORE:
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431 case SDL_ASSERTION_RETRY:
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432 case SDL_ASSERTION_BREAK:
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433 break; /* macro handles these. */
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parents:
diff changeset
434 }
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parents:
diff changeset
435
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436 assertion_running--;
3647
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diff changeset
437 SDL_UnlockMutex(assertion_mutex);
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parents:
diff changeset
438
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diff changeset
439 return state;
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parents:
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440 }
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parents:
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441
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parents:
diff changeset
442
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parents:
diff changeset
443 int SDL_AssertionsInit(void)
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parents:
diff changeset
444 {
3664
8bdc37b1a52a Handle assert init/quit better.
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parents: 3662
diff changeset
445 /* this is a no-op at the moment. */
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parents:
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446 return 0;
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parents:
diff changeset
447 }
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parents:
diff changeset
448
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parents:
diff changeset
449 void SDL_AssertionsQuit(void)
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parents:
diff changeset
450 {
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diff changeset
451 SDL_GenerateAssertionReport();
3664
8bdc37b1a52a Handle assert init/quit better.
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diff changeset
452 if (assertion_mutex != NULL) {
8bdc37b1a52a Handle assert init/quit better.
Ryan C. Gordon <icculus@icculus.org>
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diff changeset
453 SDL_DestroyMutex(assertion_mutex);
8bdc37b1a52a Handle assert init/quit better.
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diff changeset
454 assertion_mutex = NULL;
8bdc37b1a52a Handle assert init/quit better.
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parents: 3662
diff changeset
455 }
3670
62b6a5b99918 Clean up assertion API for public use.
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diff changeset
456 }
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Ryan C. Gordon <icculus@icculus.org>
parents: 3669
diff changeset
457
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diff changeset
458 void SDL_SetAssertionHandler(SDL_AssertionHandler handler, void *userdata)
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parents: 3669
diff changeset
459 {
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parents: 3669
diff changeset
460 if (handler != NULL) {
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diff changeset
461 assertion_handler = handler;
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462 assertion_userdata = userdata;
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diff changeset
463 } else {
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464 assertion_handler = SDL_PromptAssertion;
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465 assertion_userdata = NULL;
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466 }
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parents: 3669
diff changeset
467 }
62b6a5b99918 Clean up assertion API for public use.
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parents: 3669
diff changeset
468
62b6a5b99918 Clean up assertion API for public use.
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diff changeset
469 const SDL_assert_data *SDL_GetAssertionReport(void)
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diff changeset
470 {
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471 return triggered_assertions;
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diff changeset
472 }
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diff changeset
473
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diff changeset
474 void SDL_ResetAssertionReport(void)
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Ryan C. Gordon <icculus@icculus.org>
parents: 3669
diff changeset
475 {
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parents: 3669
diff changeset
476 SDL_assert_data *item = triggered_assertions;
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diff changeset
477 SDL_assert_data *next = NULL;
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diff changeset
478 for (item = triggered_assertions; item->condition; item = next) {
62b6a5b99918 Clean up assertion API for public use.
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diff changeset
479 next = (SDL_assert_data *) item->next;
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diff changeset
480 item->always_ignore = SDL_FALSE;
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diff changeset
481 item->trigger_count = 0;
62b6a5b99918 Clean up assertion API for public use.
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parents: 3669
diff changeset
482 item->next = NULL;
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diff changeset
483 }
62b6a5b99918 Clean up assertion API for public use.
Ryan C. Gordon <icculus@icculus.org>
parents: 3669
diff changeset
484
62b6a5b99918 Clean up assertion API for public use.
Ryan C. Gordon <icculus@icculus.org>
parents: 3669
diff changeset
485 triggered_assertions = &assertion_list_terminator;
3647
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parents:
diff changeset
486 }
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
487
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
488 /* vi: set ts=4 sw=4 expandtab: */