68 lines
1.9 KiB
C#
68 lines
1.9 KiB
C#
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/*
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* Secucore
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*
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* Copyright (C) 2023 Trevor Hall
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* All rights reserved.
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*
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* This software may be modified and distributed under the terms
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* of the MIT license.
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*
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*/
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using System;
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namespace SecuCore
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{
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public static class Tools
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{
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public static byte[] JoinAll(params byte[][] arrs)
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{
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int totallen = 0;
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for(int i = 0; i < arrs.Length; i++)
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{
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totallen += arrs[i].Length;
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}
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byte[] outputbuf = new byte[totallen];
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int bufp = 0;
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for(int i = 0; i < arrs.Length; i++)
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{
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int len = arrs[i].Length;
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Buffer.BlockCopy(arrs[i], 0, outputbuf, bufp, len);
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bufp += len;
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}
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return outputbuf;
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}
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public static bool ArraysEqual(byte[] a, byte[] b)
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{
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if (a == null && b != null) return false;
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if (a != null && b == null) return false;
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if (a.Length != b.Length) return false;
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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]) return false;
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}
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return true;
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}
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public static byte[] SubArray(byte[] input, int offset, int length)
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{
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byte[] output = new byte[length];
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Buffer.BlockCopy(input, offset, output, 0, length);
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return output;
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}
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public static byte[] Append(byte[] a, byte[] b)
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{
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byte[] output = new byte[a.Length + b.Length];
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Buffer.BlockCopy(a, 0, output, 0, a.Length);
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Buffer.BlockCopy(b, 0, output, a.Length, b.Length);
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return output;
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}
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public static void PushTo(byte[] outputb, byte[] inputb, ref int offsetint)
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{
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Buffer.BlockCopy(inputb, 0, outputb, offsetint, inputb.Length);
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offsetint += inputb.Length;
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}
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}
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}
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