/* Copyright (c) 2010 Wildfire Games
 *
 * Permission is hereby granted, free of charge, to any person obtaining
 * a copy of this software and associated documentation files (the
 * "Software"), to deal in the Software without restriction, including
 * without limitation the rights to use, copy, modify, merge, publish,
 * distribute, sublicense, and/or sell copies of the Software, and to
 * permit persons to whom the Software is furnished to do so, subject to
 * the following conditions:
 * 
 * The above copyright notice and this permission notice shall be included
 * in all copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
 * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
 * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */

#include "precompiled.h"
#include "lib/sysdep/os/win/wposix/wutsname.h"

#include "lib/sysdep/os/win/wutil.h"	// WinScopedPreserveLastError
#include "lib/sysdep/os/win/wversion.h"	// wversion_Family


int uname(struct utsname* un)
{
	OSVERSIONINFOW vi = { sizeof(OSVERSIONINFOW) };
	GetVersionExW(&vi);

	// OS implementation name
	sprintf_s(un->sysname, ARRAY_SIZE(un->sysname), "%ls", wversion_Family());

	// release info
	const wchar_t* vs = vi.szCSDVersion;
	int sp;
	if(swscanf_s(vs, L"Service Pack %d", &sp) == 1)
		sprintf_s(un->release, ARRAY_SIZE(un->release), "SP %d", sp);
	else
		un->release[0] = '\0';

	// version
	sprintf_s(un->version, ARRAY_SIZE(un->version), "%ls.%lu", wversion_String(), vi.dwBuildNumber & 0xFFFF);

	// node name
	{
		WinScopedPreserveLastError s;	// GetComputerName
		DWORD bufSize = sizeof(un->nodename);
		WARN_IF_FALSE(GetComputerNameA(un->nodename, &bufSize));
	}

	// hardware type
	SYSTEM_INFO si;
	GetSystemInfo(&si);
	if(si.wProcessorArchitecture == PROCESSOR_ARCHITECTURE_AMD64)
		strcpy_s(un->machine, ARRAY_SIZE(un->machine), "x64");
	else
		strcpy_s(un->machine, ARRAY_SIZE(un->machine), "x86");

	return 0;
}