Mercurial > sdl-ios-xcode
annotate src/loadso/win32/SDL_sysloadso.c @ 4159:a1b03ba2fcd0 SDL-1.2
Updated copyright date
author | Sam Lantinga <slouken@libsdl.org> |
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date | Mon, 08 Dec 2008 00:25:42 +0000 |
parents | 92947e3a18db |
children | 2dc6c9f343c8 |
rev | line source |
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1 /* |
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2 SDL - Simple DirectMedia Layer |
4159 | 3 Copyright (C) 1997-2009 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 #ifdef SDL_LOADSO_WIN32 |
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25 |
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26 /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ |
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27 /* System dependent library loading routines */ |
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28 |
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29 #define WIN32_LEAN_AND_MEAN |
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30 #include <windows.h> |
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31 |
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32 #include "SDL_loadso.h" |
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33 |
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34 void *SDL_LoadObject(const char *sofile) |
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35 { |
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36 void *handle = NULL; |
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37 const char *loaderror = "Unknown error"; |
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38 |
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39 #if defined(_WIN32_WCE) |
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40 char errbuf[512]; |
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41 |
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42 wchar_t *errbuf_t = SDL_malloc(512 * sizeof(wchar_t)); |
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43 wchar_t *sofile_t = SDL_malloc((MAX_PATH+1) * sizeof(wchar_t)); |
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44 |
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45 MultiByteToWideChar(CP_ACP, MB_PRECOMPOSED, sofile, -1, sofile_t, MAX_PATH); |
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46 handle = (void *)LoadLibrary(sofile_t); |
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47 |
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48 /* Generate an error message if all loads failed */ |
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49 if ( handle == NULL ) { |
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50 FormatMessage((FORMAT_MESSAGE_IGNORE_INSERTS | |
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51 FORMAT_MESSAGE_FROM_SYSTEM), |
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52 NULL, GetLastError(), |
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53 MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), |
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54 errbuf_t, SDL_arraysize(errbuf), NULL); |
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55 WideCharToMultiByte(CP_ACP, 0, errbuf_t, -1, errbuf, 511, NULL, NULL); |
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56 loaderror = errbuf; |
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57 } |
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58 |
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59 SDL_free(sofile_t); |
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60 SDL_free(errbuf_t); |
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61 |
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62 #else /*if defined(__WIN32__)*/ |
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63 char errbuf[512]; |
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64 |
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65 handle = (void *)LoadLibrary(sofile); |
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66 |
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67 /* Generate an error message if all loads failed */ |
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68 if ( handle == NULL ) { |
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69 FormatMessage((FORMAT_MESSAGE_IGNORE_INSERTS | |
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70 FORMAT_MESSAGE_FROM_SYSTEM), |
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71 NULL, GetLastError(), |
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72 MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), |
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73 errbuf, SDL_arraysize(errbuf), NULL); |
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74 loaderror = errbuf; |
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75 } |
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76 #endif |
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77 |
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78 if ( handle == NULL ) { |
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79 SDL_SetError("Failed loading %s: %s", sofile, loaderror); |
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80 } |
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81 return(handle); |
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82 } |
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83 |
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84 void *SDL_LoadFunction(void *handle, const char *name) |
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85 { |
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86 void *symbol = NULL; |
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87 const char *loaderror = "Unknown error"; |
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88 |
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89 #if defined(_WIN32_WCE) |
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90 char errbuf[512]; |
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91 int length = SDL_strlen(name); |
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92 |
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93 wchar_t *name_t = SDL_malloc((length + 1) * sizeof(wchar_t)); |
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94 wchar_t *errbuf_t = SDL_malloc(512 * sizeof(wchar_t)); |
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95 |
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96 MultiByteToWideChar(CP_ACP, MB_PRECOMPOSED, name, -1, name_t, length); |
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97 |
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98 symbol = (void *)GetProcAddress((HMODULE)handle, name_t); |
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99 if ( symbol == NULL ) { |
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100 FormatMessage((FORMAT_MESSAGE_IGNORE_INSERTS | |
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101 FORMAT_MESSAGE_FROM_SYSTEM), |
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102 NULL, GetLastError(), |
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103 MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), |
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104 errbuf_t, SDL_arraysize(errbuf), NULL); |
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105 WideCharToMultiByte(CP_ACP, 0, errbuf_t, -1, errbuf, 511, NULL, NULL); |
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106 loaderror = errbuf; |
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107 } |
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108 |
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109 SDL_free(name_t); |
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110 SDL_free(errbuf_t); |
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111 |
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112 #else /*if defined(WIN32)*/ |
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113 char errbuf[512]; |
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114 |
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115 symbol = (void *)GetProcAddress((HMODULE)handle, name); |
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116 if ( symbol == NULL ) { |
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117 FormatMessage((FORMAT_MESSAGE_IGNORE_INSERTS | |
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118 FORMAT_MESSAGE_FROM_SYSTEM), |
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119 NULL, GetLastError(), |
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120 MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), |
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121 errbuf, SDL_arraysize(errbuf), NULL); |
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122 loaderror = errbuf; |
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123 } |
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124 #endif |
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125 |
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126 if ( symbol == NULL ) { |
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127 SDL_SetError("Failed loading %s: %s", name, loaderror); |
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128 } |
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129 return(symbol); |
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130 } |
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131 |
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132 void SDL_UnloadObject(void *handle) |
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133 { |
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134 if ( handle != NULL ) { |
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135 FreeLibrary((HMODULE)handle); |
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136 } |
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137 } |
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138 |
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139 #endif /* SDL_LOADSO_WIN32 */ |