Function version_win

windrv.c:340–383

}

void version_win(version_t *v)
{
	memset(v, 0, sizeof(version_t));
	
	HANDLE h = GetModuleHandleA("kernel32.dll");
	if(h)
	{
		GetVersionFunc GetVersionPtr = (GetVersionFunc)GetProcAddress(h, "GetVersion");
    DWORD dwVersion = 0;
		
		if(GetVersionPtr != NULL)
		{
			dwVersion = GetVersionPtr();
			v->major = (int)(LOBYTE(LOWORD(dwVersion)));
  		v->minor = (int)(HIBYTE(LOWORD(dwVersion)));

			if (dwVersion < 0x80000000)
			{
				v->build = (int)(HIWORD(dwVersion));
			}
			
			if(v->major == 4 && !version_is_nt())
			{
				version_t vreg;
				static char vbuf[32];
				if(registryRead("HKLM\\Software\\Microsoft\\Windows\\CurrentVersion\\VersionNumber", vbuf, sizeof(vbuf)))
				{
					version_parse(vbuf, &vreg);
					if(vreg.major == v->major
						&& vreg.minor == v->minor)
					{
						v->patch = vreg.patch;
					}
				}
			}
			
			return;
		}
	}
	
	/* windows >= 8.1 doesn't have this GetVersion */
	v->major = 8;
	v->minor = 1;
}

/*
*  NT function tip from: https://stackoverflow.com/a/57130