The Tor Browser: mfbt/HashFunctions.cpp@deefc01c0e14

Integrate friendly tips from Tor colleagues to make (or not) 4.5 alpha 3;
This includes removal of overloaded (but unused) methods, and addition of
a overlooked call to DataStruct::SetData(nsISupports, uint32_t, bool.)

     1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

     2 /* This Source Code Form is subject to the terms of the Mozilla Public

     3  * License, v. 2.0. If a copy of the MPL was not distributed with this

     4  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

     6 /* Implementations of hash functions. */

     8 #include "mozilla/HashFunctions.h"

     9 #include "mozilla/Types.h"

    11 #include <string.h>

    13 namespace mozilla {

    15 uint32_t

    16 HashBytes(const void* bytes, size_t length)

    17 {

    18   uint32_t hash = 0;

    19   const char* b = reinterpret_cast<const char*>(bytes);

    21   /* Walk word by word. */

    22   size_t i = 0;

    23   for (; i < length - (length % sizeof(size_t)); i += sizeof(size_t)) {

    24     /* Do an explicitly unaligned load of the data. */

    25     size_t data;

    26     memcpy(&data, b + i, sizeof(size_t));

    28     hash = AddToHash(hash, data, sizeof(data));

    29   }

    31   /* Get the remaining bytes. */

    32   for (; i < length; i++)

    33     hash = AddToHash(hash, b[i]);

    35   return hash;

    36 }

    38 } /* namespace mozilla */

The Tor Browser / file revision

mfbt/HashFunctions.cpp@deefc01c0e14

mfbt/HashFunctions.cpp