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annotate src/loadso/win32/SDL_sysloadso.c @ 2349:0381047f2210 gsoc2008_iphone

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The class SDL_uikitappdelegate acts as the UIApplicationDelegate for an iPhone SDL project. This class is reponsible for application control flow, including initial setup of working directory, forwarding command line arguments to the user's main function, and handling application termination.
author Holmes Futrell <hfutrell@umail.ucsb.edu>
date Thu, 17 Jul 2008 22:29:37 +0000
parents c121d94672cb
children 3e42ad69f4a3
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 #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 *
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35 SDL_LoadObject(const char *sofile)
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36 {
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37 void *handle = NULL;
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38 const char *loaderror = "Unknown error";
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39
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40 #if defined(_WIN32_WCE)
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41 char errbuf[512];
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42
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43 wchar_t *errbuf_t = SDL_malloc(512 * sizeof(wchar_t));
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44 wchar_t *sofile_t = SDL_malloc((MAX_PATH + 1) * sizeof(wchar_t));
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45
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46 MultiByteToWideChar(CP_ACP, MB_PRECOMPOSED, sofile, -1, sofile_t,
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47 MAX_PATH);
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48 handle = (void *) LoadLibrary(sofile_t);
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49
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50 /* Generate an error message if all loads failed */
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51 if (handle == NULL) {
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52 FormatMessage((FORMAT_MESSAGE_IGNORE_INSERTS |
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53 FORMAT_MESSAGE_FROM_SYSTEM),
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54 NULL, GetLastError(),
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55 MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
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56 errbuf_t, SDL_arraysize(errbuf), NULL);
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57 WideCharToMultiByte(CP_ACP, 0, errbuf_t, -1, errbuf, 511, NULL, NULL);
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58 loaderror = errbuf;
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59 }
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60
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61 SDL_free(sofile_t);
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62 SDL_free(errbuf_t);
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63
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64 #else /*if defined(__WIN32__) */
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65 char errbuf[512];
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66
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67 handle = (void *) LoadLibrary(sofile);
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68
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69 /* Generate an error message if all loads failed */
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70 if (handle == NULL) {
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71 FormatMessage((FORMAT_MESSAGE_IGNORE_INSERTS |
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72 FORMAT_MESSAGE_FROM_SYSTEM),
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73 NULL, GetLastError(),
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74 MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
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75 errbuf, SDL_arraysize(errbuf), NULL);
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76 loaderror = errbuf;
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77 }
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78 #endif
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79
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80 if (handle == NULL) {
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81 SDL_SetError("Failed loading %s: %s", sofile, loaderror);
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82 }
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83 return (handle);
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84 }
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85
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86 void *
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87 SDL_LoadFunction(void *handle, const char *name)
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88 {
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89 void *symbol = NULL;
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90 const char *loaderror = "Unknown error";
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91
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92 #if defined(_WIN32_WCE)
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93 char errbuf[512];
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94 int length = SDL_strlen(name);
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95
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96 wchar_t *name_t = SDL_malloc((length + 1) * sizeof(wchar_t));
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97 wchar_t *errbuf_t = SDL_malloc(512 * sizeof(wchar_t));
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98
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99 MultiByteToWideChar(CP_ACP, MB_PRECOMPOSED, name, -1, name_t, length);
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100
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101 symbol = (void *) GetProcAddress((HMODULE) handle, name_t);
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102 if (symbol == NULL) {
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103 FormatMessage((FORMAT_MESSAGE_IGNORE_INSERTS |
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104 FORMAT_MESSAGE_FROM_SYSTEM),
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105 NULL, GetLastError(),
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106 MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
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107 errbuf_t, SDL_arraysize(errbuf), NULL);
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108 WideCharToMultiByte(CP_ACP, 0, errbuf_t, -1, errbuf, 511, NULL, NULL);
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109 loaderror = errbuf;
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110 }
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111
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112 SDL_free(name_t);
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113 SDL_free(errbuf_t);
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114
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115 #else /*if defined(WIN32) */
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116 char errbuf[512];
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117
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118 symbol = (void *) GetProcAddress((HMODULE) handle, name);
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119 if (symbol == NULL) {
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120 FormatMessage((FORMAT_MESSAGE_IGNORE_INSERTS |
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121 FORMAT_MESSAGE_FROM_SYSTEM),
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122 NULL, GetLastError(),
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123 MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
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124 errbuf, SDL_arraysize(errbuf), NULL);
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125 loaderror = errbuf;
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126 }
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127 #endif
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128
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129 if (symbol == NULL) {
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130 SDL_SetError("Failed loading %s: %s", name, loaderror);
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131 }
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132 return (symbol);
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133 }
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134
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135 void
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136 SDL_UnloadObject(void *handle)
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137 {
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138 if (handle != NULL) {
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139 FreeLibrary((HMODULE) handle);
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140 }
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141 }
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142
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143 #endif /* SDL_LOADSO_WIN32 */
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144 /* vi: set ts=4 sw=4 expandtab: */