100 lines
2.6 KiB
C#
100 lines
2.6 KiB
C#
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// <copyright file="Misc.cs" company="Google Inc.">
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// Copyright (C) 2014 Google Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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// </copyright>
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namespace GooglePlayGames.OurUtils
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{
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using System;
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public static class Misc
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{
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public static bool BuffersAreIdentical(byte[] a, byte[] b)
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{
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if (a == b)
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{
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// not only identical but the very same!
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return true;
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}
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if (a == null || b == null)
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{
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// one of them is null, the other one isn't
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return false;
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}
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if (a.Length != b.Length)
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{
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return false;
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}
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for (int i = 0; i < a.Length; i++)
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{
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if (a[i] != b[i])
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{
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return false;
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}
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}
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return true;
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}
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public static byte[] GetSubsetBytes(byte[] array, int offset, int length)
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{
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if (array == null)
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{
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throw new ArgumentNullException("array");
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}
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if (offset < 0 || offset >= array.Length)
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{
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throw new ArgumentOutOfRangeException("offset");
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}
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if (length < 0 || (array.Length - offset) < length)
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{
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throw new ArgumentOutOfRangeException("length");
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}
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if (offset == 0 && length == array.Length)
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{
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return array;
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}
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byte[] piece = new byte[length];
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Array.Copy(array, offset, piece, 0, length);
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return piece;
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}
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public static T CheckNotNull<T>(T value)
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{
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if (value == null)
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{
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throw new ArgumentNullException();
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}
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return value;
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}
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public static T CheckNotNull<T>(T value, string paramName)
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{
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if (value == null)
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{
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throw new ArgumentNullException(paramName);
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}
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return value;
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}
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}
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}
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