private static byte[][] DecodingMultiByteArrayHelper(SafeBerHandle berElement, char fmt, ref int error) { error = 0; // several berval IntPtr ptrResult = IntPtr.Zero; int i = 0; ArrayList binaryList = new ArrayList(); IntPtr tempPtr = IntPtr.Zero; byte[][] result = null; try { error = BerPal.ScanNextPtr(berElement, new string(fmt, 1), ref ptrResult); if (!BerPal.IsBerDecodeError(error)) { if (ptrResult != IntPtr.Zero) { tempPtr = Marshal.ReadIntPtr(ptrResult); while (tempPtr != IntPtr.Zero) { berval ber = new berval(); Marshal.PtrToStructure(tempPtr, ber); byte[] berArray = new byte[ber.bv_len]; Marshal.Copy(ber.bv_val, berArray, 0, ber.bv_len); binaryList.Add(berArray); i++; tempPtr = Marshal.ReadIntPtr(ptrResult, i * IntPtr.Size); } result = new byte[binaryList.Count][]; for (int j = 0; j < binaryList.Count; j++) { result[j] = (byte[])binaryList[j]; } } } else { Debug.WriteLine("ber_scanf for format character 'V' failed"); } } finally { if (ptrResult != IntPtr.Zero) { BerPal.FreeBervalArray(ptrResult); } } return(result); }
private static byte[] DecodingByteArrayHelper(SafeBerHandle berElement, char fmt, ref int error) { error = 0; IntPtr result = IntPtr.Zero; berval binaryValue = new berval(); byte[] byteArray = null; // can't use SafeBerval here as CLR creates a SafeBerval which points to a different memory location, but when doing memory // deallocation, wldap has special check. So have to use IntPtr directly here. error = BerPal.ScanNextPtr(berElement, new string(fmt, 1), ref result); try { if (!BerPal.IsBerDecodeError(error)) { if (result != IntPtr.Zero) { Marshal.PtrToStructure(result, binaryValue); byteArray = new byte[binaryValue.bv_len]; Marshal.Copy(binaryValue.bv_val, byteArray, 0, binaryValue.bv_len); } } else { Debug.WriteLine("ber_scanf for format character 'O' failed"); } } finally { if (result != IntPtr.Zero) { BerPal.FreeBerval(result); } } return(byteArray); }