Mercurial > sdl-ios-xcode

annotate src/loadso/win32/SDL_sysloadso.c @ 4347:38f22ed3a433 SDL-1.2

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Option to fix bug #851 For some people setting the period size works better (and is what SDL 1.2.13 did), but for most people it's the same or worse. You can use an environment variable to pick which one you want.
author Sam Lantinga <slouken@libsdl.org>
date Sat, 17 Oct 2009 06:55:17 +0000
parents 2dc6c9f343c8
children
rev   line source
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997-2009 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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92947e3a18db Make sure code is only compiled if the appropriate subsystem is enabled
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24 #ifdef SDL_LOADSO_WIN32
92947e3a18db Make sure code is only compiled if the appropriate subsystem is enabled
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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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bb6839704ed6 SDL_windows.h is no longer necessary
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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+1);
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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
1635
92947e3a18db Make sure code is only compiled if the appropriate subsystem is enabled
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139 #endif /* SDL_LOADSO_WIN32 */