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comparison src/loadso/windows/SDL_sysloadso.c @ 5062:e8916fe9cfc8

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Fixed bug #925 Changed "win32" to "windows"
author Sam Lantinga <slouken@libsdl.org>
date Thu, 20 Jan 2011 18:04:05 -0800
parents src/loadso/win32/SDL_sysloadso.c@f7b03b6838cb
children c2539ff054c8
comparison
equal deleted inserted replaced
5061:9e9940eae455 5062:e8916fe9cfc8
1 /*
2 SDL - Simple DirectMedia Layer
3 Copyright (C) 1997-2010 Sam Lantinga
4
5 This library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
9
10 This library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
14
15 You should have received a copy of the GNU Lesser General Public
16 License along with this library; if not, write to the Free Software
17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
18
19 Sam Lantinga
20 slouken@libsdl.org
21 */
22 #include "SDL_config.h"
23
24 #ifdef SDL_LOADSO_WINDOWS
25
26 /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
27 /* System dependent library loading routines */
28
29 #define WIN32_LEAN_AND_MEAN
30 #include <windows.h>
31
32 #include "SDL_loadso.h"
33
34 void *
35 SDL_LoadObject(const char *sofile)
36 {
37 void *handle = NULL;
38 const char *loaderror = "Unknown error";
39
40 #if defined(_WIN32_WCE)
41 char errbuf[512];
42
43 wchar_t *errbuf_t = SDL_malloc(512 * sizeof(wchar_t));
44 wchar_t *sofile_t = SDL_malloc((MAX_PATH + 1) * sizeof(wchar_t));
45
46 MultiByteToWideChar(CP_ACP, MB_PRECOMPOSED, sofile, -1, sofile_t,
47 MAX_PATH);
48 handle = (void *) LoadLibrary(sofile_t);
49
50 /* Generate an error message if all loads failed */
51 if (handle == NULL) {
52 FormatMessage((FORMAT_MESSAGE_IGNORE_INSERTS |
53 FORMAT_MESSAGE_FROM_SYSTEM),
54 NULL, GetLastError(),
55 MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
56 errbuf_t, SDL_arraysize(errbuf), NULL);
57 WideCharToMultiByte(CP_ACP, 0, errbuf_t, -1, errbuf, 511, NULL, NULL);
58 loaderror = errbuf;
59 }
60
61 SDL_free(sofile_t);
62 SDL_free(errbuf_t);
63
64 #else /*if defined(__WINDOWS__) */
65 char errbuf[512];
66
67 handle = (void *) LoadLibrary(sofile);
68
69 /* Generate an error message if all loads failed */
70 if (handle == NULL) {
71 FormatMessage((FORMAT_MESSAGE_IGNORE_INSERTS |
72 FORMAT_MESSAGE_FROM_SYSTEM),
73 NULL, GetLastError(),
74 MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
75 errbuf, SDL_arraysize(errbuf), NULL);
76 loaderror = errbuf;
77 }
78 #endif
79
80 if (handle == NULL) {
81 SDL_SetError("Failed loading %s: %s", sofile, loaderror);
82 }
83 return (handle);
84 }
85
86 void *
87 SDL_LoadFunction(void *handle, const char *name)
88 {
89 void *symbol = NULL;
90 const char *loaderror = "Unknown error";
91
92 #if defined(_WIN32_WCE)
93 char errbuf[512];
94 int length = SDL_strlen(name);
95
96 wchar_t *name_t = SDL_malloc((length + 1) * sizeof(wchar_t));
97 wchar_t *errbuf_t = SDL_malloc(512 * sizeof(wchar_t));
98
99 MultiByteToWideChar(CP_ACP, MB_PRECOMPOSED, name, -1, name_t, length + 1);
100
101 symbol = (void *) GetProcAddress((HMODULE) handle, name_t);
102 if (symbol == NULL) {
103 FormatMessage((FORMAT_MESSAGE_IGNORE_INSERTS |
104 FORMAT_MESSAGE_FROM_SYSTEM),
105 NULL, GetLastError(),
106 MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
107 errbuf_t, SDL_arraysize(errbuf), NULL);
108 WideCharToMultiByte(CP_ACP, 0, errbuf_t, -1, errbuf, 511, NULL, NULL);
109 loaderror = errbuf;
110 }
111
112 SDL_free(name_t);
113 SDL_free(errbuf_t);
114
115 #else /*if defined(WIN32) */
116 char errbuf[512];
117
118 symbol = (void *) GetProcAddress((HMODULE) handle, name);
119 if (symbol == NULL) {
120 FormatMessage((FORMAT_MESSAGE_IGNORE_INSERTS |
121 FORMAT_MESSAGE_FROM_SYSTEM),
122 NULL, GetLastError(),
123 MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
124 errbuf, SDL_arraysize(errbuf), NULL);
125 loaderror = errbuf;
126 }
127 #endif
128
129 if (symbol == NULL) {
130 SDL_SetError("Failed loading %s: %s", name, loaderror);
131 }
132 return (symbol);
133 }
134
135 void
136 SDL_UnloadObject(void *handle)
137 {
138 if (handle != NULL) {
139 FreeLibrary((HMODULE) handle);
140 }
141 }
142
143 #endif /* SDL_LOADSO_WINDOWS */
144
145 /* vi: set ts=4 sw=4 expandtab: */