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  1. using System;
  2.  
  3. public class OctetString 
  4. {
  5.     private byte[] m_bDataArray = null;
  6.  
  7.     public OctetString(byte[] data_i)
  8.     {
  9.         //copy input data
  10.         m_bDataArray = new byte[data_i.Length];
  11.         data_i.CopyTo(m_bDataArray, 0);
  12.     }
  13.  
  14. 	//...
  15. 	//checks if a bit on a specfied position is set
  16. 	public bool CheckIfBitOnPositionIsSet(int iPosition)
  17. 	{
  18. 		if (m_bDataArray.Length * 8 < iPosition)
  19. 		{
  20. 			return false;
  21. 		}
  22.  
  23. 		int iByte = iPosition / 8;
  24.  
  25. 		int iBit = iPosition % 8;
  26.  
  27. 		byte bData = m_bDataArray[iByte];
  28.  
  29. 		if((bData & (0x1 << iBit)) != 0)
  30. 		{
  31. 			return true;
  32. 		}
  33. 		else
  34. 		{
  35. 			return false;
  36. 		}
  37. 	}
  38. }
  39.  
  40. public class Test
  41. {
  42. 	public static void Main()
  43. 	{
  44. 		byte[] data = { 0xFF, 0x3F, 0x00 };
  45.         OctetString octetString = new OctetString(data);
  46.         bool isSet = octetString.CheckIfBitOnPositionIsSet(15);
  47.         System.Console.Out.WriteLine("{0:d}", isSet);
  48. 	}
  49. }
Success #stdin #stdout 0.02s 33872KB
comments (?)
stdin 
Standard input is empty
stdout 
False
https://ideone.com/4830ZQ
language:
C# (gmcs 5.20.1)
created:
12 years ago
visibility:
public

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