Mercurial > sdl-ios-xcode
diff src/loadso/windows/SDL_sysloadso.c @ 5062:e8916fe9cfc8
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 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/loadso/windows/SDL_sysloadso.c Thu Jan 20 18:04:05 2011 -0800 @@ -0,0 +1,145 @@ +/* + SDL - Simple DirectMedia Layer + Copyright (C) 1997-2010 Sam Lantinga + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + This library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with this library; if not, write to the Free Software + Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + + Sam Lantinga + slouken@libsdl.org +*/ +#include "SDL_config.h" + +#ifdef SDL_LOADSO_WINDOWS + +/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ +/* System dependent library loading routines */ + +#define WIN32_LEAN_AND_MEAN +#include <windows.h> + +#include "SDL_loadso.h" + +void * +SDL_LoadObject(const char *sofile) +{ + void *handle = NULL; + const char *loaderror = "Unknown error"; + +#if defined(_WIN32_WCE) + char errbuf[512]; + + wchar_t *errbuf_t = SDL_malloc(512 * sizeof(wchar_t)); + wchar_t *sofile_t = SDL_malloc((MAX_PATH + 1) * sizeof(wchar_t)); + + MultiByteToWideChar(CP_ACP, MB_PRECOMPOSED, sofile, -1, sofile_t, + MAX_PATH); + handle = (void *) LoadLibrary(sofile_t); + + /* Generate an error message if all loads failed */ + if (handle == NULL) { + FormatMessage((FORMAT_MESSAGE_IGNORE_INSERTS | + FORMAT_MESSAGE_FROM_SYSTEM), + NULL, GetLastError(), + MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), + errbuf_t, SDL_arraysize(errbuf), NULL); + WideCharToMultiByte(CP_ACP, 0, errbuf_t, -1, errbuf, 511, NULL, NULL); + loaderror = errbuf; + } + + SDL_free(sofile_t); + SDL_free(errbuf_t); + +#else /*if defined(__WINDOWS__) */ + char errbuf[512]; + + handle = (void *) LoadLibrary(sofile); + + /* Generate an error message if all loads failed */ + if (handle == NULL) { + FormatMessage((FORMAT_MESSAGE_IGNORE_INSERTS | + FORMAT_MESSAGE_FROM_SYSTEM), + NULL, GetLastError(), + MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), + errbuf, SDL_arraysize(errbuf), NULL); + loaderror = errbuf; + } +#endif + + if (handle == NULL) { + SDL_SetError("Failed loading %s: %s", sofile, loaderror); + } + return (handle); +} + +void * +SDL_LoadFunction(void *handle, const char *name) +{ + void *symbol = NULL; + const char *loaderror = "Unknown error"; + +#if defined(_WIN32_WCE) + char errbuf[512]; + int length = SDL_strlen(name); + + wchar_t *name_t = SDL_malloc((length + 1) * sizeof(wchar_t)); + wchar_t *errbuf_t = SDL_malloc(512 * sizeof(wchar_t)); + + MultiByteToWideChar(CP_ACP, MB_PRECOMPOSED, name, -1, name_t, length + 1); + + symbol = (void *) GetProcAddress((HMODULE) handle, name_t); + if (symbol == NULL) { + FormatMessage((FORMAT_MESSAGE_IGNORE_INSERTS | + FORMAT_MESSAGE_FROM_SYSTEM), + NULL, GetLastError(), + MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), + errbuf_t, SDL_arraysize(errbuf), NULL); + WideCharToMultiByte(CP_ACP, 0, errbuf_t, -1, errbuf, 511, NULL, NULL); + loaderror = errbuf; + } + + SDL_free(name_t); + SDL_free(errbuf_t); + +#else /*if defined(WIN32) */ + char errbuf[512]; + + symbol = (void *) GetProcAddress((HMODULE) handle, name); + if (symbol == NULL) { + FormatMessage((FORMAT_MESSAGE_IGNORE_INSERTS | + FORMAT_MESSAGE_FROM_SYSTEM), + NULL, GetLastError(), + MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), + errbuf, SDL_arraysize(errbuf), NULL); + loaderror = errbuf; + } +#endif + + if (symbol == NULL) { + SDL_SetError("Failed loading %s: %s", name, loaderror); + } + return (symbol); +} + +void +SDL_UnloadObject(void *handle) +{ + if (handle != NULL) { + FreeLibrary((HMODULE) handle); + } +} + +#endif /* SDL_LOADSO_WINDOWS */ + +/* vi: set ts=4 sw=4 expandtab: */