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fix: Fixes NPE in PooledRefList sort (#1864)

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Kamron Batman 2024-07-07 12:09:13 -07:00 • committed by GitHub
parent 20855ddff3
commit 96de1fdaa1
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1 changed files with 13 additions and 19 deletions
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32
Projects/Server/Collections/PooledRefList.cs
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@ -6,6 +6,7 @@ using System.Buffers;
using System.Collections.Generic;
using System.Diagnostics;
using System.Runtime.CompilerServices;
using System.Runtime.InteropServices;
using Server.Buffers;
namespace Server.Collections;
@ -946,13 +947,16 @@ public ref struct PooledRefList<T>
_version++;
}
// Sorts the elements in this list. Uses the default comparer and
// Array.Sort.
public void Sort() => Sort(0, Count, null);
// Sorts the elements in this list. Uses Array.Sort with the
// provided comparer.
public void Sort(IComparer<T>? comparer) => Sort(0, Count, comparer);
public void Sort(IComparer<T>? comparer = null)
{
if (_size > 1)
{
Array.Sort(_items, 0, _size, comparer);
}
_version++;
}
// Sorts the elements in a section of this list. The sort compares the
// elements to each other using the given IComparer interface. If
@ -964,15 +968,8 @@ public ref struct PooledRefList<T>
//
public void Sort(int index, int count, IComparer<T>? comparer)
{
if (index < 0)
{
throw new ArgumentOutOfRangeException(nameof(index));
}
if (count < 0)
{
throw new ArgumentOutOfRangeException(nameof(count));
}
ArgumentOutOfRangeException.ThrowIfNegative(index);
ArgumentOutOfRangeException.ThrowIfNegative(count);
if (_size - index < count)
{
@ -988,14 +985,11 @@ public ref struct PooledRefList<T>
public void Sort(Comparison<T> comparison)
{
if (comparison == null)
{
throw new ArgumentNullException(nameof(comparison));
}
ArgumentNullException.ThrowIfNull(comparison);
if (_size > 1)
{
Array.Sort(_items, comparison);
_items.AsSpan(0, _size).Sort(comparison);
}
_version++;
}