public static byte[] GetTable(Provider provider, int table)
{
int size;
try
{
size = SystemCall.GetSystemFirmwareTable(provider, table,
IntPtr.Zero, 0);
}
catch (DllNotFoundException)
{
return(null);
}
catch (EntryPointNotFoundException)
{
return(null);
}
if (size <= 0)
{
return(null);
}
var nativeBuffer = Marshal.AllocHGlobal(size);
SystemCall.GetSystemFirmwareTable(provider, table, nativeBuffer, size);
if (Marshal.GetLastWin32Error() != 0)
{
return(null);
}
var buffer = new byte[size];
Marshal.Copy(nativeBuffer, buffer, 0, size);
Marshal.FreeHGlobal(nativeBuffer);
return(buffer);
}
public static string[] EnumerateTables(Provider provider)
{
int size;
try
{
size = SystemCall.EnumSystemFirmwareTables(
provider, IntPtr.Zero, 0);
}
catch (DllNotFoundException)
{
return(null);
}
catch (EntryPointNotFoundException)
{
return(null);
}
var nativeBuffer = Marshal.AllocHGlobal(size);
SystemCall.EnumSystemFirmwareTables(
provider, nativeBuffer, size);
var buffer = new byte[size];
Marshal.Copy(nativeBuffer, buffer, 0, size);
Marshal.FreeHGlobal(nativeBuffer);
var result = new string[size / 4];
for (var i = 0; i < result.Length; i++)
{
result[i] = Encoding.ASCII.GetString(buffer, 4 * i, 4);
}
return(result);
}