Mercurial > sdl-ios-xcode
annotate src/loadso/win32/SDL_sysloadso.c @ 1622:5bbfc3e20e10
Fixed bug #191
[I opted to go for a warning, since I often tweak configure.in, but don't want to rebuild the entire project]
One thing that was lost in the switch from automake to the new build system is
that there is now no rule to build configure from configure.in.
IMHO, if configure.in gets changed, then at the very least, the build system
should print out a warning (better, again IMHO, an error) about this fact.
Else, you easily forget about this when modifying configure.in.
author | Sam Lantinga <slouken@libsdl.org> |
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date | Thu, 13 Apr 2006 13:23:56 +0000 |
parents | bb6839704ed6 |
children | 92947e3a18db |
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 /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ |
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25 /* System dependent library loading routines */ |
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26 |
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27 #define WIN32_LEAN_AND_MEAN |
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28 #include <windows.h> |
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29 |
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30 #include "SDL_loadso.h" |
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31 |
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32 void *SDL_LoadObject(const char *sofile) |
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33 { |
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34 void *handle = NULL; |
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35 const char *loaderror = "Unknown error"; |
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36 |
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37 #if defined(_WIN32_WCE) |
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38 char errbuf[512]; |
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39 |
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40 wchar_t *errbuf_t = SDL_malloc(512 * sizeof(wchar_t)); |
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41 wchar_t *sofile_t = SDL_malloc((MAX_PATH+1) * sizeof(wchar_t)); |
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42 |
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43 MultiByteToWideChar(CP_ACP, MB_PRECOMPOSED, sofile, -1, sofile_t, MAX_PATH); |
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44 handle = (void *)LoadLibrary(sofile_t); |
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45 |
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46 /* Generate an error message if all loads failed */ |
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47 if ( handle == NULL ) { |
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48 FormatMessage((FORMAT_MESSAGE_IGNORE_INSERTS | |
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49 FORMAT_MESSAGE_FROM_SYSTEM), |
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50 NULL, GetLastError(), |
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51 MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), |
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52 errbuf_t, SDL_arraysize(errbuf), NULL); |
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53 WideCharToMultiByte(CP_ACP, 0, errbuf_t, -1, errbuf, 511, NULL, NULL); |
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54 loaderror = errbuf; |
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55 } |
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56 |
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57 SDL_free(sofile_t); |
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58 SDL_free(errbuf_t); |
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59 |
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60 #else /*if defined(__WIN32__)*/ |
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61 char errbuf[512]; |
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62 |
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63 handle = (void *)LoadLibrary(sofile); |
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64 |
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65 /* Generate an error message if all loads failed */ |
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66 if ( handle == NULL ) { |
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67 FormatMessage((FORMAT_MESSAGE_IGNORE_INSERTS | |
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68 FORMAT_MESSAGE_FROM_SYSTEM), |
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69 NULL, GetLastError(), |
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70 MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), |
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71 errbuf, SDL_arraysize(errbuf), NULL); |
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72 loaderror = errbuf; |
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73 } |
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74 #endif |
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75 |
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76 if ( handle == NULL ) { |
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77 SDL_SetError("Failed loading %s: %s", sofile, loaderror); |
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78 } |
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79 return(handle); |
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80 } |
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81 |
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82 void *SDL_LoadFunction(void *handle, const char *name) |
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83 { |
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84 void *symbol = NULL; |
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85 const char *loaderror = "Unknown error"; |
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86 |
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87 #if defined(_WIN32_WCE) |
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88 char errbuf[512]; |
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89 int length = SDL_strlen(name); |
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90 |
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91 wchar_t *name_t = SDL_malloc((length + 1) * sizeof(wchar_t)); |
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92 wchar_t *errbuf_t = SDL_malloc(512 * sizeof(wchar_t)); |
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93 |
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94 MultiByteToWideChar(CP_ACP, MB_PRECOMPOSED, name, -1, name_t, length); |
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95 |
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96 symbol = (void *)GetProcAddress((HMODULE)handle, name_t); |
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97 if ( symbol == NULL ) { |
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98 FormatMessage((FORMAT_MESSAGE_IGNORE_INSERTS | |
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99 FORMAT_MESSAGE_FROM_SYSTEM), |
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100 NULL, GetLastError(), |
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101 MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), |
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102 errbuf_t, SDL_arraysize(errbuf), NULL); |
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103 WideCharToMultiByte(CP_ACP, 0, errbuf_t, -1, errbuf, 511, NULL, NULL); |
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104 loaderror = errbuf; |
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105 } |
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106 |
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107 SDL_free(name_t); |
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108 SDL_free(errbuf_t); |
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109 |
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110 #else /*if defined(WIN32)*/ |
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111 char errbuf[512]; |
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112 |
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113 symbol = (void *)GetProcAddress((HMODULE)handle, name); |
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114 if ( symbol == NULL ) { |
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115 FormatMessage((FORMAT_MESSAGE_IGNORE_INSERTS | |
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116 FORMAT_MESSAGE_FROM_SYSTEM), |
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117 NULL, GetLastError(), |
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118 MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), |
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119 errbuf, SDL_arraysize(errbuf), NULL); |
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120 loaderror = errbuf; |
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121 } |
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122 #endif |
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123 |
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124 if ( symbol == NULL ) { |
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125 SDL_SetError("Failed loading %s: %s", name, loaderror); |
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126 } |
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127 return(symbol); |
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128 } |
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129 |
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130 void SDL_UnloadObject(void *handle) |
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131 { |
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132 if ( handle != NULL ) { |
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133 FreeLibrary((HMODULE)handle); |
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134 } |
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135 } |
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136 |