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using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace IllusionInjector.Utilities
{
public static class LoneFunctions
{
public static byte[] StringToByteArray(string hex)
{
int NumberChars = hex.Length;
byte[] bytes = new byte[NumberChars / 2];
for (int i = 0; i < NumberChars; i += 2)
bytes[i / 2] = Convert.ToByte(hex.Substring(i, 2), 16);
return bytes;
}
public static string ByteArrayToString(byte[] ba)
{
StringBuilder hex = new StringBuilder(ba.Length * 2);
foreach (byte b in ba)
hex.AppendFormat("{0:x2}", b);
return hex.ToString();
}
// Copyright (c) 2008-2013 Hafthor Stefansson
// Distributed under the MIT/X11 software license
// Ref: http://www.opensource.org/licenses/mit-license.php.
// From: https://stackoverflow.com/a/8808245/3117125
public static unsafe bool UnsafeCompare(byte[] a1, byte[] a2)
{
if (a1 == a2) return true;
if (a1 == null || a2 == null || a1.Length != a2.Length)
return false;
fixed (byte* p1 = a1, p2 = a2)
{
byte* x1 = p1, x2 = p2;
int l = a1.Length;
for (int i = 0; i < l / 8; i++, x1 += 8, x2 += 8)
if (*((long*)x1) != *((long*)x2)) return false;
if ((l & 4) != 0) { if (*((int*)x1) != *((int*)x2)) return false; x1 += 4; x2 += 4; }
if ((l & 2) != 0) { if (*((short*)x1) != *((short*)x2)) return false; x1 += 2; x2 += 2; }
if ((l & 1) != 0) if (*((byte*)x1) != *((byte*)x2)) return false;
return true;
}
}
public static string GetRelativePath(string filespec, string folder)
{
Uri pathUri = new Uri(filespec);
// Folders must end in a slash
if (!folder.EndsWith(Path.DirectorySeparatorChar.ToString()))
{
folder += Path.DirectorySeparatorChar;
}
Uri folderUri = new Uri(folder);
return Uri.UnescapeDataString(folderUri.MakeRelativeUri(pathUri).ToString().Replace('/', Path.DirectorySeparatorChar));
}
}
}