OpenOffice Basic snipits

Mask IP

   Public Function IP(inIp As Variant, Optional mask as byte) as String 
        Dim a(5) As Long
        Dim b(5) As Long
        Dim s() As String
        If Not IsNumeric(inIP) Then 
           s = Split(inIp,".")
           dim v as Currency
           v = (  Cbyte(s(0))*2^24 + Cbyte(s(1))*2^16 + Cbyte(s(2))*2^8 +  Cbyte(s(3))  )
        else
           v = 0.0 + inIP
           rem  and ( 2^mask )  
        End If  
        dim bin(31) as Byte
        for i = 31 to 0 Step -1
          If v >= 2^i then
             If IsMissing(mask) Then
                bin(i)= 1
             Else
                If i >= (32-mask) Then
                    bin(i) = 1
                Else
                    bin(i) = 0
                End If 
             End If     
             v = v - 2^i
          Else
             bin(i) = 0
          End If
        Next i

        
        for i = 0 to 7
          a(1) = a(1) + 2^i*bin(i+24)
          a(2) = a(2) + 2^i*bin(i+16)
          a(3) = a(3) + 2^i*bin(i+8)
          a(4) = a(4) + 2^i*bin(i)
        next i
        dim t(4) as String
        t(1) = Right("000" & CStr(a(1)),3)
        t(2) = Right("000" & CStr(a(2)),3)
        t(3) = Right("000" & CStr(a(3)),3)
        t(4) = Right("000" & CStr(a(4)),3) 
        If IsMissing(mask) Then       
           IP = t(1)&"."&t(2)&"."&t(3)&"."&t(4)
        Else
           t(0) = CStr(mask)
           IP = t(1)&"."&t(2)&"."&t(3)&"."&t(4)&"/"&t(0)
        End If
End Function

CategoryNetwork