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annotate src/loadso/win32/SDL_sysloadso.c @ 1361:19418e4422cb

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New configure-based build system. Still work in progress, but much improved
author Sam Lantinga <slouken@libsdl.org>
date Thu, 16 Feb 2006 10:11:48 +0000
parents
children c0a74f199ecf
rev   line source
1361
19418e4422cb New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
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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
19418e4422cb New configure-based build system. Still work in progress, but much improved
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5 This library is free software; you can redistribute it and/or
19418e4422cb New configure-based build system. Still work in progress, but much improved
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6 modify it under the terms of the GNU Lesser General Public
19418e4422cb New configure-based build system. Still work in progress, but much improved
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7 License as published by the Free Software Foundation; either
19418e4422cb New configure-based build system. Still work in progress, but much improved
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8 version 2.1 of the License, or (at your option) any later version.
19418e4422cb New configure-based build system. Still work in progress, but much improved
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9
19418e4422cb New configure-based build system. Still work in progress, but much improved
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10 This library is distributed in the hope that it will be useful,
19418e4422cb New configure-based build system. Still work in progress, but much improved
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11 but WITHOUT ANY WARRANTY; without even the implied warranty of
19418e4422cb New configure-based build system. Still work in progress, but much improved
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
19418e4422cb New configure-based build system. Still work in progress, but much improved
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13 Lesser General Public License for more details.
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14
19418e4422cb New configure-based build system. Still work in progress, but much improved
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15 You should have received a copy of the GNU Lesser General Public
19418e4422cb New configure-based build system. Still work in progress, but much improved
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16 License along with this library; if not, write to the Free Software
19418e4422cb New configure-based build system. Still work in progress, but much improved
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17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
19418e4422cb New configure-based build system. Still work in progress, but much improved
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18
19418e4422cb New configure-based build system. Still work in progress, but much improved
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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 #include "SDL_windows.h"
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27
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28 #include "SDL_loadso.h"
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29
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30 void *SDL_LoadObject(const char *sofile)
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31 {
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32 void *handle = NULL;
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33 const char *loaderror = "Unknown error";
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34
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35 #if defined(_WIN32_WCE)
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36 char errbuf[512];
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37
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38 wchar_t *errbuf_t = SDL_malloc(512 * sizeof(wchar_t));
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39 wchar_t *sofile_t = SDL_malloc((MAX_PATH+1) * sizeof(wchar_t));
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40
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41 MultiByteToWideChar(CP_ACP, MB_PRECOMPOSED, sofile, -1, sofile_t, MAX_PATH);
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42 handle = (void *)LoadLibrary(sofile_t);
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43
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44 /* Generate an error message if all loads failed */
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45 if ( handle == NULL ) {
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46 FormatMessage((FORMAT_MESSAGE_IGNORE_INSERTS |
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47 FORMAT_MESSAGE_FROM_SYSTEM),
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48 NULL, GetLastError(),
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49 MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
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50 errbuf_t, SDL_TABLESIZE(errbuf), NULL);
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51 WideCharToMultiByte(CP_ACP, 0, errbuf_t, -1, errbuf, 511, NULL, NULL);
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52 loaderror = errbuf;
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53 }
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54
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55 SDL_free(sofile_t);
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56 SDL_free(errbuf_t);
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57
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58 #else /*if defined(WIN32)*/
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59 char errbuf[512];
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60
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61 handle = (void *)LoadLibrary(sofile);
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62
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63 /* Generate an error message if all loads failed */
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64 if ( handle == NULL ) {
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65 FormatMessage((FORMAT_MESSAGE_IGNORE_INSERTS |
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66 FORMAT_MESSAGE_FROM_SYSTEM),
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67 NULL, GetLastError(),
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68 MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
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69 errbuf, SDL_TABLESIZE(errbuf), NULL);
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70 loaderror = errbuf;
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71 }
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72 #endif
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73
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74 if ( handle == NULL ) {
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75 SDL_SetError("Failed loading %s: %s", sofile, loaderror);
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76 }
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77 return(handle);
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78 }
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79
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80 void *SDL_LoadFunction(void *handle, const char *name)
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81 {
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82 void *symbol = NULL;
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83 const char *loaderror = "Unknown error";
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84
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85 #if defined(_WIN32_WCE)
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86 char errbuf[512];
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87 int length = SDL_strlen(name);
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88
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89 wchar_t *name_t = SDL_malloc((length + 1) * sizeof(wchar_t));
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90 wchar_t *errbuf_t = SDL_malloc(512 * sizeof(wchar_t));
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91
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92 MultiByteToWideChar(CP_ACP, MB_PRECOMPOSED, name, -1, name_t, length);
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93
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94 symbol = (void *)GetProcAddress((HMODULE)handle, name_t);
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95 if ( symbol == NULL ) {
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96 FormatMessage((FORMAT_MESSAGE_IGNORE_INSERTS |
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97 FORMAT_MESSAGE_FROM_SYSTEM),
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98 NULL, GetLastError(),
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99 MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
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100 errbuf_t, SDL_TABLESIZE(errbuf), NULL);
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101 WideCharToMultiByte(CP_ACP, 0, errbuf_t, -1, errbuf, 511, NULL, NULL);
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102 loaderror = errbuf;
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103 }
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104
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105 SDL_free(name_t);
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106 SDL_free(errbuf_t);
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107
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108 #else /*if defined(WIN32)*/
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109 char errbuf[512];
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110
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111 symbol = (void *)GetProcAddress((HMODULE)handle, name);
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112 if ( symbol == NULL ) {
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113 FormatMessage((FORMAT_MESSAGE_IGNORE_INSERTS |
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114 FORMAT_MESSAGE_FROM_SYSTEM),
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115 NULL, GetLastError(),
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116 MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
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117 errbuf, SDL_TABLESIZE(errbuf), NULL);
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118 loaderror = errbuf;
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119 }
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120 #endif
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121
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122 if ( symbol == NULL ) {
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123 SDL_SetError("Failed loading %s: %s", name, loaderror);
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124 }
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125 return(symbol);
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126 }
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127
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128 void SDL_UnloadObject(void *handle)
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129 {
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130 if ( handle != NULL ) {
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131 FreeLibrary((HMODULE)handle);
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132 }
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133 }
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134