SDL_sysloadso.c
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/*
Simple DirectMedia Layer
Copyright (C) 1997-2016 Sam Lantinga <slouken@libsdl.org>
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages
arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it
freely, subject to the following restrictions:
1. The origin of this software must not be misrepresented; you must not
claim that you wrote the original software. If you use this software
in a product, an acknowledgment in the product documentation would be
appreciated but is not required.
2. Altered source versions must be plainly marked as such, and must not be
misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.
*/
#include "../../SDL_internal.h"
#ifdef SDL_LOADSO_WINDOWS
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
/* System dependent library loading routines */
#include "../../core/windows/SDL_windows.h"
#include "SDL_loadso.h"
void *
SDL_LoadObject(const char *sofile)
{
LPTSTR tstr = WIN_UTF8ToString(sofile);
#ifdef __WINRT__
/* WinRT only publically supports LoadPackagedLibrary() for loading .dll
files. LoadLibrary() is a private API, and not available for apps
(that can be published to MS' Windows Store.)
*/
void *handle = (void *) LoadPackagedLibrary(tstr, 0);
#else
void *handle = (void *) LoadLibrary(tstr);
#endif
SDL_free(tstr);
/* Generate an error message if all loads failed */
if (handle == NULL) {
char errbuf[512];
SDL_strlcpy(errbuf, "Failed loading ", SDL_arraysize(errbuf));
SDL_strlcat(errbuf, sofile, SDL_arraysize(errbuf));
WIN_SetError(errbuf);
}
return handle;
}
void *
SDL_LoadFunction(void *handle, const char *name)
{
void *symbol = (void *) GetProcAddress((HMODULE) handle, name);
if (symbol == NULL) {
char errbuf[512];
SDL_strlcpy(errbuf, "Failed loading ", SDL_arraysize(errbuf));
SDL_strlcat(errbuf, name, SDL_arraysize(errbuf));
WIN_SetError(errbuf);
}
return symbol;
}
void
SDL_UnloadObject(void *handle)
{
if (handle != NULL) {
FreeLibrary((HMODULE) handle);
}
}
#endif /* SDL_LOADSO_WINDOWS */
/* vi: set ts=4 sw=4 expandtab: */
SDL_strlcpy
#define SDL_strlcpy
Definition: SDL_dynapi_overrides.h:400
WIN_UTF8ToString
#define WIN_UTF8ToString(S)
Definition: SDL_windows.h:46
SDL_strlcat
#define SDL_strlcat
Definition: SDL_dynapi_overrides.h:402
name
GLuint const GLchar * name
Definition: SDL_opengl_glext.h:660
SDL_LoadObject
#define SDL_LoadObject
Definition: SDL_dynapi_overrides.h:238
SDL_UnloadObject
#define SDL_UnloadObject
Definition: SDL_dynapi_overrides.h:240
SDL_free
void SDL_free(void *mem)
NULL
#define NULL
Definition: begin_code.h:143
WIN_SetError
int WIN_SetError(const char *prefix)
SDL_loadso.h
SDL_arraysize
#define SDL_arraysize(array)
Definition: SDL_stdinc.h:93
SDL_LoadFunction
void * SDL_LoadFunction(void *handle, const char *name)