Transform a snippet from C to C#

Question

How do I transform the following code into C#. My C is a little bit rusty:

short CalcCrc(char *str,int len)
{
  short crc=0;
  for(int i=0;i<len;i++)
    crc ^= (short)((unsigned char)str[i]) << (i%9);
  return crc;
}

@Marcel Gheorghita: It's not homework, I'm helping a friend and I'm not sure on casting (diferent data types c and c#) — cosmin.staicu
– cosmin.staicu, Commented Aug 6, 2010 at 9:27
You have the same operators in C#. Short is short. Unsigned char is byte. char* is string. — Marcel Gheorghita
– Marcel Gheorghita, Commented Aug 6, 2010 at 9:34
@Marcel Gheorghita: I'm thinking like this. I'm missing something? crc ^= Convert.ToInt16(Convert.ToByte(str[i]) << (i % 9)); — cosmin.staicu
– cosmin.staicu, Commented Aug 6, 2010 at 9:44

Kikaimaru · Accepted Answer · 2010-08-06 09:53:56Z

2

    short CalcCrc(string str)
    {
        short crc = 0;
        for (int i = 0; i < str.Length; i++)
            crc ^= (short)(str[i] << (i % 9));
        return crc;
    }

answered Aug 6, 2010 at 9:53

Kikaimaru

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