Returned some code

src/crypto/hash.h

@@ -0,0 +1,65 @@
+// Copyright (c) 2012-2013 The Cryptonote developers
+// Distributed under the MIT/X11 software license, see the accompanying
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
+
+#pragma once
+
+#include <stddef.h>
+
+#include "common/pod-class.h"
+#include "generic-ops.h"
+
+namespace crypto {
+
+  extern "C" {
+#include "hash-ops.h"
+  }
+
+#pragma pack(push, 1)
+  POD_CLASS hash {
+    char data[HASH_SIZE];
+  };
+  POD_CLASS hash8 {
+    char data[8];
+  };
+#pragma pack(pop)
+
+  static_assert(sizeof(hash) == HASH_SIZE, "Invalid structure size");
+  static_assert(sizeof(hash8) == 8, "Invalid structure size");
+
+  /*
+    Cryptonight hash functions
+  */
+
+  inline void cn_fast_hash(const void *data, std::size_t length, hash &hash) {
+    cn_fast_hash(data, length, reinterpret_cast<char *>(&hash));
+  }
+
+  inline hash cn_fast_hash(const void *data, std::size_t length) {
+    hash h;
+    cn_fast_hash(data, length, reinterpret_cast<char *>(&h));
+    return h;
+  }
+
+  inline void cn_slow_hash(const void *data, std::size_t length, hash &hash) {
+    cn_slow_hash(data, length, reinterpret_cast<char *>(&hash));
+  }
+
+  inline void tree_hash(const hash *hashes, std::size_t count, hash &root_hash) {
+    tree_hash(reinterpret_cast<const char (*)[HASH_SIZE]>(hashes), count, reinterpret_cast<char *>(&root_hash));
+  }
+
+  inline void tree_branch(const hash* hashes, std::size_t count, hash* branch)
+  {
+    tree_branch(reinterpret_cast<const char (*)[HASH_SIZE]>(hashes), count, reinterpret_cast<char (*)[HASH_SIZE]>(branch));
+  }
+
+  inline void tree_hash_from_branch(const hash* branch, std::size_t depth, const hash& leaf, const void* path, hash& root_hash)
+  {
+    tree_hash_from_branch(reinterpret_cast<const char (*)[HASH_SIZE]>(branch), depth, reinterpret_cast<const char*>(&leaf), path, reinterpret_cast<char*>(&root_hash));
+  }
+
+}
+
+CRYPTO_MAKE_HASHABLE(hash)
+CRYPTO_MAKE_COMPARABLE(hash8)