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annotate src/loadso/windows/SDL_loadso.c @ 1336:3692456e7b0f

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Use SDL_ prefixed versions of C library functions. FIXME: Change #include <stdlib.h> to #include "SDL_stdlib.h" Change #include <string.h> to #include "SDL_string.h" Make sure nothing else broke because of this...
author Sam Lantinga <slouken@libsdl.org>
date Tue, 07 Feb 2006 06:59:48 +0000
parents 450721ad5436
children c71e05b4dc2e
rev   line source
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997-2006 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 /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
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24 /* System dependent library loading routines */
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25
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26 #if !SDL_INTERNAL_BUILDING_LOADSO
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27 #error Do not compile directly...compile src/SDL_loadso.c instead!
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28 #endif
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29
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30 #if !defined(WIN32) && !defined(_WIN32_WCE)
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31 #error Compiling for the wrong platform?
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32 #endif
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33
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34 #include "SDL_windows.h"
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35
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36 #include "SDL_types.h"
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37 #include "SDL_error.h"
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38 #include "SDL_loadso.h"
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39
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40 void *SDL_LoadObject(const char *sofile)
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41 {
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42 void *handle = NULL;
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43 const char *loaderror = "Unknown error";
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44
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45 #if defined(_WIN32_WCE)
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46 char errbuf[512];
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47
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48 wchar_t *errbuf_t = SDL_malloc(512 * sizeof(wchar_t));
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49 wchar_t *sofile_t = SDL_malloc((MAX_PATH+1) * sizeof(wchar_t));
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50
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51 MultiByteToWideChar(CP_ACP, MB_PRECOMPOSED, sofile, -1, sofile_t, MAX_PATH);
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52 handle = (void *)LoadLibrary(sofile_t);
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53
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54 /* Generate an error message if all loads failed */
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55 if ( handle == NULL ) {
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56 FormatMessage((FORMAT_MESSAGE_IGNORE_INSERTS |
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57 FORMAT_MESSAGE_FROM_SYSTEM),
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58 NULL, GetLastError(),
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59 MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
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60 errbuf_t, SDL_TABLESIZE(errbuf), NULL);
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61 WideCharToMultiByte(CP_ACP, 0, errbuf_t, -1, errbuf, 511, NULL, NULL);
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62 loaderror = errbuf;
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63 }
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64
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65 SDL_free(sofile_t);
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66 SDL_free(errbuf_t);
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67
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68 #else /*if defined(WIN32)*/
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69 char errbuf[512];
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70
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71 handle = (void *)LoadLibrary(sofile);
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72
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73 /* Generate an error message if all loads failed */
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74 if ( handle == NULL ) {
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75 FormatMessage((FORMAT_MESSAGE_IGNORE_INSERTS |
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76 FORMAT_MESSAGE_FROM_SYSTEM),
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77 NULL, GetLastError(),
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78 MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
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79 errbuf, SDL_TABLESIZE(errbuf), NULL);
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80 loaderror = errbuf;
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81 }
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82 #endif
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83
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84 if ( handle == NULL ) {
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85 SDL_SetError("Failed loading %s: %s", sofile, loaderror);
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86 }
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87 return(handle);
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88 }
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89
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90 void *SDL_LoadFunction(void *handle, const char *name)
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91 {
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92 void *symbol = NULL;
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93 const char *loaderror = "Unknown error";
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94
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95 #if defined(_WIN32_WCE)
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96 char errbuf[512];
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97 int length = SDL_strlen(name);
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98
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99 wchar_t *name_t = SDL_malloc((length + 1) * sizeof(wchar_t));
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100 wchar_t *errbuf_t = SDL_malloc(512 * sizeof(wchar_t));
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101
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102 MultiByteToWideChar(CP_ACP, MB_PRECOMPOSED, name, -1, name_t, length);
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103
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104 symbol = (void *)GetProcAddress((HMODULE)handle, name_t);
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105 if ( symbol == NULL ) {
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106 FormatMessage((FORMAT_MESSAGE_IGNORE_INSERTS |
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107 FORMAT_MESSAGE_FROM_SYSTEM),
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108 NULL, GetLastError(),
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109 MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
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110 errbuf_t, SDL_TABLESIZE(errbuf), NULL);
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111 WideCharToMultiByte(CP_ACP, 0, errbuf_t, -1, errbuf, 511, NULL, NULL);
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112 loaderror = errbuf;
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113 }
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114
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115 SDL_free(name_t);
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116 SDL_free(errbuf_t);
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117
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118 #else /*if defined(WIN32)*/
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119 char errbuf[512];
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120
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121 symbol = (void *)GetProcAddress((HMODULE)handle, name);
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122 if ( symbol == NULL ) {
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123 FormatMessage((FORMAT_MESSAGE_IGNORE_INSERTS |
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124 FORMAT_MESSAGE_FROM_SYSTEM),
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125 NULL, GetLastError(),
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126 MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
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127 errbuf, SDL_TABLESIZE(errbuf), NULL);
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128 loaderror = errbuf;
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129 }
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130 #endif
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131
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132 if ( symbol == NULL ) {
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133 SDL_SetError("Failed loading %s: %s", name, loaderror);
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134 }
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135 return(symbol);
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136 }
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137
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138 void SDL_UnloadObject(void *handle)
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139 {
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140 if ( handle != NULL ) {
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141 FreeLibrary((HMODULE)handle);
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142 }
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143 }
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144