lduchosal / ipnetwork / 960

Committed 15 May 2026 07:18AM UTC coverage: 0.0% (-94.1%) from 94.053%

Build # 960

Build Type

Pull #411

appveyor

Committed by

web-flow

Commit Message

Merge ef6b054ce into 4cec191ae

Pull Request Pull Request #411: Bump MSTest.TestFramework from 4.2.2 to 4.2.3

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/src/System.Net.IPNetwork/IPNetwork2BitsSet.cs

// <copyright file="IPNetwork2BitsSet.cs" company="IPNetwork">
// Copyright (c) IPNetwork. All rights reserved.
// </copyright>

namespace System.Net;

using System.Numerics;

/// <summary>
/// BitSet.
/// </summary>
public sealed partial class IPNetwork2
{
    /// <summary>
    /// Count bits set to 1 in netmask.
    /// </summary>
    /// <param name="netmask">A number representing the netmask to count bits from.</param>
    /// <returns>The number of bytes set to 1.</returns>
    [CLSCompliant(false)]
    public static uint BitsSet(IPAddress netmask)
    {
        var uintNetmask = ToBigInteger(netmask);
        uint bits = BitsSet(uintNetmask);

        return bits;
    }

    /// <summary>
    /// Count bits set to 1 in netmask.
    /// </summary>
    /// <see href="http://stackoverflow.com/questions/109023/best-algorithm-to-count-the-number-of-set-bits-in-a-32-bit-integer"/>
    /// <param name="netmask">A number representing the netmask to count bits from.</param>
    /// <returns>The number of bytes set to 1.</returns>
    private static byte BitsSet(BigInteger netmask)
    {
        string s = netmask.ToBinaryString();

        return (byte)s.Replace("0", string.Empty)
            .ToCharArray()
            .Length;
    }
}

1	// <copyright file="IPNetwork2BitsSet.cs" company="IPNetwork">
2	// Copyright (c) IPNetwork. All rights reserved.
3	// </copyright>
4
5	namespace System.Net;
6
7	using System.Numerics;
8
9	/// <summary>
10	/// BitSet.
11	/// </summary>
12	public sealed partial class IPNetwork2
13	{
14	/// <summary>
15	/// Count bits set to 1 in netmask.
16	/// </summary>
17	/// <param name="netmask">A number representing the netmask to count bits from.</param>
18	/// <returns>The number of bytes set to 1.</returns>
19	[CLSCompliant(false)]
20	public static uint BitsSet(IPAddress netmask)
21	{	×
22	var uintNetmask = ToBigInteger(netmask);	×
23	uint bits = BitsSet(uintNetmask);	×
24
25	return bits;	×
26	}	×
27
28	/// <summary>
29	/// Count bits set to 1 in netmask.
30	/// </summary>
31	/// <see href="http://stackoverflow.com/questions/109023/best-algorithm-to-count-the-number-of-set-bits-in-a-32-bit-integer"/>
32	/// <param name="netmask">A number representing the netmask to count bits from.</param>
33	/// <returns>The number of bytes set to 1.</returns>
34	private static byte BitsSet(BigInteger netmask)
35	{	×
36	string s = netmask.ToBinaryString();	×
37
38	return (byte)s.Replace("0", string.Empty)	×
39	.ToCharArray()	×
40	.Length;	×
41	}	×
42	}

lduchosal / ipnetwork / 960

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