/*

Simple DirectMedia Layer

Copyright (C) 1997-2013 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_config.h"

#ifdef __WIN32__

#include "SDL_windows.h"

#include "SDL_error.h"

#include "SDL_assert.h"

#include <objbase.h> /* for CoInitialize/CoUninitialize */

/* Sets an error message based on GetLastError() */

int

WIN_SetError(const char *prefix)

{

TCHAR buffer[1024];

char *message;

FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM, NULL, GetLastError(), 0,

buffer, SDL_arraysize(buffer), NULL);

message = WIN_StringToUTF8(buffer);

SDL_SetError("%s%s%s", prefix ? prefix : "", prefix ? ": " : "", message);

SDL_free(message);

return -1;

}

HRESULT

WIN_CoInitialize(void)

{

/* SDL handles any threading model, so initialize with the default, which

is compatible with OLE and if that doesn't work, try multi-threaded mode.

If you need multi-threaded mode, call CoInitializeEx() before SDL_Init()

*/

HRESULT hr = CoInitializeEx(NULL, COINIT_APARTMENTTHREADED);

if (hr == RPC_E_CHANGED_MODE) {

hr = CoInitializeEx(NULL, COINIT_MULTITHREADED);

}

/* S_FALSE means success, but someone else already initialized. */

/* You still need to call CoUninitialize in this case! */

if (hr == S_FALSE) {

return S_OK;

}

return hr;

}

void

WIN_CoUninitialize(void)

{

CoUninitialize();

}

#endif /* __WIN32__ */

/* vi: set ts=4 sw=4 expandtab: */