[Add] FishNet

2026-03-30 20:11:57 +07:00
parent ee793a3361
commit c22c08753a
1797 changed files with 197950 additions and 1 deletions
@@ -0,0 +1,47 @@
+//
+// Author:
+//   Jb Evain (jbevain@gmail.com)
+//
+// Copyright (c) 2008 - 2015 Jb Evain
+// Copyright (c) 2008 - 2011 Novell, Inc.
+//
+// Licensed under the MIT/X11 license.
+//
+
+using System.Collections.Generic;
+
+namespace MonoFN.Cecil.PE
+{
+    internal sealed class ByteBufferEqualityComparer : IEqualityComparer<ByteBuffer>
+    {
+        public bool Equals(ByteBuffer x, ByteBuffer y)
+        {
+            if (x.length != y.length)
+                return false;
+
+            byte[] x_buffer = x.buffer;
+            byte[] y_buffer = y.buffer;
+
+            for (int i = 0; i < x.length; i++)
+                if (x_buffer[i] != y_buffer[i])
+                    return false;
+
+            return true;
+        }
+
+        public int GetHashCode(ByteBuffer buffer)
+        {
+            // See http://en.wikipedia.org/wiki/Fowler%E2%80%93Noll%E2%80%93Vo_hash_function
+            const int fnv_offset_bias = unchecked((int)2166136261);
+            const int fnv_prime = 16777619;
+
+            int hash_code = fnv_offset_bias;
+            byte[] bytes = buffer.buffer;
+
+            for (int i = 0; i < buffer.length; i++)
+                hash_code = unchecked((hash_code ^ bytes[i]) * fnv_prime);
+
+            return hash_code;
+        }
+    }
+}