File: hash.cc

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// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "base/hash.h"

// Definition in base/third_party/superfasthash/superfasthash.c. (Third-party
// code did not come with its own header file, so declaring the function here.)
// Note: This algorithm is also in Blink under Source/wtf/StringHasher.h.
extern "C" uint32_t SuperFastHash(const char* data, int len);

namespace base {

uint32_t SuperFastHash(const char* data, size_t length) {
  if (length > static_cast<size_t>(std::numeric_limits<int>::max())) {
    NOTREACHED();
    return 0;
  }
  return ::SuperFastHash(data, static_cast<int>(length));
}

}  // namespace base