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annotate src/SDL_loadso.c @ 664:abfdc08eb289

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Date: Sun, 3 Aug 2003 22:07:57 +0200 From: Max Horn Subject: SDL OSX fullscreen FIX the attached patch fixes the fullscreen problems on SDL/OSX. The cause was that click events are bounded by winRect. Now, winRect is set to the size of the video surface. But if you e.g. request a 640x420 surface, you might get a 640x480 "real" surface. Still, SDL_VideoSurface->h will be set to 420! Thus, the upper 60 pixels in my example received no mouse down events. My fix simply disables this clipping when in full screen mode - after all, all clicks then should be inside the screen surface. Higher SDL functions ensure that the coordinates then are clipped to 640x420. It works fine in all my tests here. I don't know if it's the right thing to do in multi screen scenarios, though.
author Sam Lantinga <slouken@libsdl.org>
date Mon, 04 Aug 2003 01:00:30 +0000
parents 35ff0890ac4e
children c67d4fb10a45
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, 1998, 1999, 2000, 2001, 2002 Sam Lantinga
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4
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5 This library is free software; you can redistribute it and/or
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6 modify it under the terms of the GNU Library General Public
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7 License as published by the Free Software Foundation; either
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8 version 2 of the License, or (at your option) any later version.
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9
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10 This library is distributed in the hope that it will be useful,
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11 but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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13 Library General Public License for more details.
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14
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15 You should have received a copy of the GNU Library General Public
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16 License along with this library; if not, write to the Free
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17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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18
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19 Sam Lantinga
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20 slouken@libsdl.org
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21 */
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22
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23 #ifdef SAVE_RCSID
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24 static char rcsid =
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25 "@(#) $Id$";
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26 #endif
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27
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28 /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
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29 /* System dependent library loading routines */
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30
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31 #include <stdio.h>
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32 #if defined(USE_DLOPEN)
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33 # include <dlfcn.h>
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34 #elif defined(WIN32)
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35 # include <windows.h>
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36 #elif defined(__BEOS__)
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37 # include <be/kernel/image.h>
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38 #elif defined(macintosh)
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39 # include <string.h>
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40 # include <Strings.h>
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41 # include <CodeFragments.h>
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42 # include <Errors.h>
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43 #elif defined(__MINT__) && defined(ENABLE_LDG)
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44 # include <gem.h>
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45 # include <ldg.h>
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46 #else
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47 /*#error Unsupported dynamic link environment*/
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48 #endif /* system type */
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49
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50 #include "SDL_types.h"
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51 #include "SDL_error.h"
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52 #include "SDL_loadso.h"
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53
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54 void *SDL_LoadObject(const char *sofile)
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55 {
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56 void *handle = NULL;
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57 const char *loaderror = "SDL_LoadObject() not implemented";
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58 #if defined(USE_DLOPEN)
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59 /* * */
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60 handle = dlopen(sofile, RTLD_NOW);
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61 loaderror = (char *)dlerror();
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62 #elif defined(WIN32)
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63 /* * */
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64 char errbuf[512];
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65
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66 handle = (void *)LoadLibrary(sofile);
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67
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68 /* Generate an error message if all loads failed */
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69 if ( handle == NULL ) {
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70 FormatMessage((FORMAT_MESSAGE_IGNORE_INSERTS |
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71 FORMAT_MESSAGE_FROM_SYSTEM),
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72 NULL, GetLastError(),
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73 MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
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74 errbuf, SDL_TABLESIZE(errbuf), NULL);
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75 loaderror = errbuf;
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76 }
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77 #elif defined(__BEOS__)
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78 /* * */
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79 image_id library_id;
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80
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81 library_id = load_add_on(sofile);
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82 if ( library_id == B_ERROR ) {
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83 loaderror = "BeOS error";
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84 } else {
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85 handle = (void *)(library_id);
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86 }
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87 #elif defined(macintosh)
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88 /* * */
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89 CFragConnectionID library_id;
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90 Ptr mainAddr;
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91 Str255 errName;
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92 OSErr error;
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93 char psofile[512];
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94
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95 strncpy(psofile, sofile, SDL_TABLESIZE(psofile));
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96 psofile[SDL_TABLESIZE(psofile)-1] = '\0';
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97 error = GetSharedLibrary(C2PStr(psofile), kCompiledCFragArch,
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98 kLoadCFrag, &library_id, &mainAddr, errName);
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99 switch (error) {
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100 case noErr:
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101 break;
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102 case cfragNoLibraryErr:
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103 loaderror = "Library not found";
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104 break;
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105 case cfragUnresolvedErr:
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106 loaderror = "Unabled to resolve symbols";
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107 break;
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108 case cfragNoPrivateMemErr:
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109 case cfragNoClientMemErr:
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110 loaderror = "Out of memory";
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111 break;
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112 default:
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113 loaderror = "Unknown Code Fragment Manager error";
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114 break;
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115 }
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116 if ( loaderror == NULL ) {
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117 handle = (void *)(library_id);
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118 }
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119 #elif defined(__MINT__) && defined(ENABLE_LDG)
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120 /* * */
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121 handle = (void *)ldg_open((char *)sofile, ldg_global);
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122 #endif /* system type */
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123
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124 if ( handle == NULL ) {
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125 SDL_SetError("Failed loading %s: %s", sofile, loaderror);
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126 }
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127 return(handle);
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128 }
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129
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130 void *SDL_LoadFunction(void *handle, const char *name)
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131 {
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132 void *symbol = NULL;
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133 const char *loaderror = "SDL_LoadFunction not implemented";
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134 #if defined(USE_DLOPEN)
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135 /* * */
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136 symbol = dlsym(handle, name);
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137 if ( symbol == NULL ) {
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138 loaderror = (char *)dlerror();
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139 }
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140 #elif defined(WIN32)
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141 /* * */
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142 char errbuf[512];
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143
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144 symbol = (void *)GetProcAddress((HMODULE)handle, name);
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145 if ( symbol == NULL ) {
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146 FormatMessage((FORMAT_MESSAGE_IGNORE_INSERTS |
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147 FORMAT_MESSAGE_FROM_SYSTEM),
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148 NULL, GetLastError(),
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149 MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
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150 errbuf, SDL_TABLESIZE(errbuf), NULL);
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151 loaderror = errbuf;
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152 }
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153 #elif defined(__BEOS__)
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154 /* * */
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155 image_id library_id = (image_id)handle;
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156 if ( get_image_symbol(library_id,
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157 name, B_SYMBOL_TYPE_TEXT, &symbol) != B_NO_ERROR ) {
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158 loaderror = "Symbol not found";
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159 }
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160 #elif defined(macintosh)
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161 /* * */
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162 CFragSymbolClass class;
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163 CFragConnectionID library_id = (CFragConnectionID)handle;
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164 char pname[512];
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165
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166 strncpy(pname, name, SDL_TABLESIZE(pname));
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167 pname[SDL_TABLESIZE(pname)-1] = '\0';
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168 if ( FindSymbol(library_id, C2PStr(pname),
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169 (char **)&symbol, &class) != noErr ) {
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170 loaderror = "Symbol not found";
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171 }
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172 #elif defined(__MINT__) && defined(ENABLE_LDG)
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173 /* * */
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174 symbol = (void *)ldg_find((char *)name, (LDG *)handle);
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175 #endif /* system type */
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176
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177 if ( symbol == NULL ) {
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178 SDL_SetError("Failed loading %s: %s", name, loaderror);
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179 }
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180 return(symbol);
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181 }
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182
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183 void SDL_UnloadObject(void *handle)
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184 {
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185 #if defined(__BEOS__)
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186 image_id library_id;
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187 #endif
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188 if ( handle == NULL ) {
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189 return;
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190 }
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191 #if defined(USE_DLOPEN)
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192 /* * */
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193 dlclose(handle);
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194 #elif defined(WIN32)
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195 /* * */
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196 FreeLibrary((HMODULE)handle);
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197 #elif defined(__BEOS__)
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198 /* * */
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199 library_id = (image_id)handle;
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200 unload_add_on(library_id);
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201 #elif defined(macintosh)
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202 /* * */
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203 CFragConnectionID library_id = (CFragConnectionID)handle;
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204 CloseConnection(library_id);
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205 #elif defined(__MINT__) && defined(ENABLE_LDG)
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206 /* * */
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207 ldg_close((LDG *)handle, ldg_global);
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208 #endif /* system type */
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209 }