e9b86eebf3
This fixes the clang warning "Cast between pointer-to-function and pointer-to-object is an extension" You can define SDL_FUNCTION_POINTER_IS_VOID_POINTER in your project to restore the previous behavior. Fixes https://github.com/libsdl-org/SDL/issues/2866
81 lines
2.5 KiB
C
81 lines
2.5 KiB
C
/*
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Simple DirectMedia Layer
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Copyright (C) 1997-2023 Sam Lantinga <slouken@libsdl.org>
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This software is provided 'as-is', without any express or implied
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warranty. In no event will the authors be held liable for any damages
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arising from the use of this software.
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Permission is granted to anyone to use this software for any purpose,
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including commercial applications, and to alter it and redistribute it
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freely, subject to the following restrictions:
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1. The origin of this software must not be misrepresented; you must not
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claim that you wrote the original software. If you use this software
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in a product, an acknowledgment in the product documentation would be
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appreciated but is not required.
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2. Altered source versions must be plainly marked as such, and must not be
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misrepresented as being the original software.
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3. This notice may not be removed or altered from any source distribution.
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*/
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#include "SDL_internal.h"
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#ifdef SDL_LOADSO_WINDOWS
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/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
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/* System dependent library loading routines */
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#include "../../core/windows/SDL_windows.h"
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void *SDL_LoadObject(const char *sofile)
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{
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void *handle;
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LPTSTR tstr;
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if (sofile == NULL) {
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SDL_InvalidParamError("sofile");
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return NULL;
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}
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tstr = WIN_UTF8ToString(sofile);
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#ifdef __WINRT__
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/* WinRT only publicly supports LoadPackagedLibrary() for loading .dll
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files. LoadLibrary() is a private API, and not available for apps
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(that can be published to MS' Windows Store.)
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*/
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handle = (void *)LoadPackagedLibrary(tstr, 0);
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#else
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handle = (void *)LoadLibrary(tstr);
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#endif
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SDL_free(tstr);
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/* Generate an error message if all loads failed */
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if (handle == NULL) {
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char errbuf[512];
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SDL_strlcpy(errbuf, "Failed loading ", SDL_arraysize(errbuf));
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SDL_strlcat(errbuf, sofile, SDL_arraysize(errbuf));
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WIN_SetError(errbuf);
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}
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return handle;
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}
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SDL_FunctionPointer SDL_LoadFunction(void *handle, const char *name)
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{
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void *symbol = (void *)GetProcAddress((HMODULE)handle, name);
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if (symbol == NULL) {
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char errbuf[512];
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SDL_strlcpy(errbuf, "Failed loading ", SDL_arraysize(errbuf));
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SDL_strlcat(errbuf, name, SDL_arraysize(errbuf));
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WIN_SetError(errbuf);
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}
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return symbol;
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}
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void SDL_UnloadObject(void *handle)
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{
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if (handle != NULL) {
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FreeLibrary((HMODULE)handle);
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}
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}
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#endif /* SDL_LOADSO_WINDOWS */
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