Mercurial > sdl-ios-xcode
annotate src/loadso/windows/SDL_loadso.c @ 1173:e9cf8c1b4590
Split up src/SDL_loadso.c into platform directories.
author | Ryan C. Gordon <icculus@icculus.org> |
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date | Thu, 17 Nov 2005 03:15:05 +0000 |
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children | c9b51268668f |
rev | line source |
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1 /* |
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2 SDL - Simple DirectMedia Layer |
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3 Copyright (C) 1997-2004 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 #if !SDL_INTERNAL_BUILDING_LOADSO |
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32 #error Do not compile directly...compile src/SDL_loadso.c instead! |
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33 #endif |
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34 |
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35 #if !defined(WIN32) && !defined(_WIN32_WCE) |
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36 #error Compiling for the wrong platform? |
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37 #endif |
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38 |
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39 #include <stdio.h> |
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40 #include <windows.h> |
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41 |
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42 #include "SDL_types.h" |
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43 #include "SDL_error.h" |
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44 #include "SDL_loadso.h" |
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45 |
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46 void *SDL_LoadObject(const char *sofile) |
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47 { |
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48 void *handle = NULL; |
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49 const char *loaderror = "Unknown error"; |
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50 |
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51 #if defined(_WIN32_WCE) |
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52 char errbuf[512]; |
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53 |
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54 wchar_t *errbuf_t = malloc(512 * sizeof(wchar_t)); |
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55 wchar_t *sofile_t = malloc((MAX_PATH+1) * sizeof(wchar_t)); |
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56 |
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57 MultiByteToWideChar(CP_ACP, MB_PRECOMPOSED, sofile, -1, sofile_t, MAX_PATH); |
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58 handle = (void *)LoadLibrary(sofile_t); |
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59 |
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60 /* Generate an error message if all loads failed */ |
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61 if ( handle == NULL ) { |
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62 FormatMessage((FORMAT_MESSAGE_IGNORE_INSERTS | |
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63 FORMAT_MESSAGE_FROM_SYSTEM), |
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64 NULL, GetLastError(), |
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65 MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), |
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66 errbuf_t, SDL_TABLESIZE(errbuf), NULL); |
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67 WideCharToMultiByte(CP_ACP, 0, errbuf_t, -1, errbuf, 511, NULL, NULL); |
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68 loaderror = errbuf; |
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69 } |
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70 |
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71 free(sofile_t); |
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72 free(errbuf_t); |
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73 |
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74 #else /*if defined(WIN32)*/ |
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75 char errbuf[512]; |
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76 |
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77 handle = (void *)LoadLibrary(sofile); |
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78 |
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79 /* Generate an error message if all loads failed */ |
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80 if ( handle == NULL ) { |
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81 FormatMessage((FORMAT_MESSAGE_IGNORE_INSERTS | |
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82 FORMAT_MESSAGE_FROM_SYSTEM), |
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83 NULL, GetLastError(), |
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84 MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), |
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85 errbuf, SDL_TABLESIZE(errbuf), NULL); |
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86 loaderror = errbuf; |
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87 } |
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88 #endif |
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89 |
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90 if ( handle == NULL ) { |
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91 SDL_SetError("Failed loading %s: %s", sofile, loaderror); |
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92 } |
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93 return(handle); |
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94 } |
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95 |
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96 void *SDL_LoadFunction(void *handle, const char *name) |
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97 { |
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98 void *symbol = NULL; |
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99 const char *loaderror = "Unknown error"; |
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100 |
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101 #if defined(_WIN32_WCE) |
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102 char errbuf[512]; |
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103 int length = strlen(name); |
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104 |
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105 wchar_t *name_t = malloc((length + 1) * sizeof(wchar_t)); |
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106 wchar_t *errbuf_t = malloc(512 * sizeof(wchar_t)); |
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107 |
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108 MultiByteToWideChar(CP_ACP, MB_PRECOMPOSED, name, -1, name_t, length); |
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109 |
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110 symbol = (void *)GetProcAddress((HMODULE)handle, name_t); |
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111 if ( symbol == NULL ) { |
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112 FormatMessage((FORMAT_MESSAGE_IGNORE_INSERTS | |
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113 FORMAT_MESSAGE_FROM_SYSTEM), |
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114 NULL, GetLastError(), |
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115 MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), |
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116 errbuf_t, SDL_TABLESIZE(errbuf), NULL); |
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117 WideCharToMultiByte(CP_ACP, 0, errbuf_t, -1, errbuf, 511, NULL, NULL); |
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118 loaderror = errbuf; |
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119 } |
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120 |
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121 free(name_t); |
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122 free(errbuf_t); |
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123 |
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124 #else /*if defined(WIN32)*/ |
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125 char errbuf[512]; |
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126 |
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127 symbol = (void *)GetProcAddress((HMODULE)handle, name); |
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128 if ( symbol == NULL ) { |
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129 FormatMessage((FORMAT_MESSAGE_IGNORE_INSERTS | |
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130 FORMAT_MESSAGE_FROM_SYSTEM), |
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131 NULL, GetLastError(), |
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132 MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), |
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133 errbuf, SDL_TABLESIZE(errbuf), NULL); |
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134 loaderror = errbuf; |
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135 } |
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136 #endif |
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137 |
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138 if ( symbol == NULL ) { |
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139 SDL_SetError("Failed loading %s: %s", name, loaderror); |
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140 } |
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141 return(symbol); |
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142 } |
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143 |
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144 void SDL_UnloadObject(void *handle) |
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145 { |
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146 if ( handle != NULL ) { |
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147 FreeLibrary((HMODULE)handle); |
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148 } |
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149 } |
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150 |