public static string[] EnumerateTables(Interop.Kernel32.Provider provider)
{
int size;
try
{
size = Interop.Kernel32.EnumSystemFirmwareTables(provider, IntPtr.Zero, 0);
}
catch (DllNotFoundException)
{
return(null);
}
catch (EntryPointNotFoundException)
{
return(null);
}
IntPtr nativeBuffer = Marshal.AllocHGlobal(size);
Interop.Kernel32.EnumSystemFirmwareTables(provider, nativeBuffer, size);
byte[] buffer = new byte[size];
Marshal.Copy(nativeBuffer, buffer, 0, size);
Marshal.FreeHGlobal(nativeBuffer);
string[] result = new string[size / 4];
for (int i = 0; i < result.Length; i++)
{
result[i] = Encoding.ASCII.GetString(buffer, 4 * i, 4);
}
return(result);
}
public static byte[] GetTable(Interop.Kernel32.Provider provider, int table)
{
int size;
try
{
size = Interop.Kernel32.GetSystemFirmwareTable(provider, table, IntPtr.Zero, 0);
}
catch (Exception e) when(e is DllNotFoundException or EntryPointNotFoundException)
{
return(null);
}
if (size <= 0)
{
return(null);
}
IntPtr allocatedBuffer = IntPtr.Zero;
try
{
allocatedBuffer = Marshal.AllocHGlobal(size);
Interop.Kernel32.GetSystemFirmwareTable(provider, table, allocatedBuffer, size);
if (Marshal.GetLastWin32Error() != 0)
{
return(null);
}
byte[] buffer = new byte[size];
Marshal.Copy(allocatedBuffer, buffer, 0, size);
return(buffer);
}
finally
{
if (allocatedBuffer != IntPtr.Zero)
{
Marshal.FreeHGlobal(allocatedBuffer);
}
}
}
public static byte[] GetTable(Interop.Kernel32.Provider provider, int table)
{
int size;
try
{
size = Interop.Kernel32.GetSystemFirmwareTable(provider, table, IntPtr.Zero, 0);
}
catch (DllNotFoundException)
{
return(null);
}
catch (EntryPointNotFoundException)
{
return(null);
}
if (size <= 0)
{
return(null);
}
IntPtr nativeBuffer = Marshal.AllocHGlobal(size);
Interop.Kernel32.GetSystemFirmwareTable(provider, table, nativeBuffer, size);
if (Marshal.GetLastWin32Error() != 0)
{
return(null);
}
byte[] buffer = new byte[size];
Marshal.Copy(nativeBuffer, buffer, 0, size);
Marshal.FreeHGlobal(nativeBuffer);
return(buffer);
}
public static byte[] GetTable(Interop.Kernel32.Provider provider, string table)
{
int id = table[3] << 24 | table[2] << 16 | table[1] << 8 | table[0];
return(GetTable(provider, id));
}
