1 files changed, 40 insertions, 0 deletions
diff --git a/security/sandbox/chromium/base/hash.h b/security/sandbox/chromium/base/hash.h
new file mode 100644
index 000000000..ed8d9fd4c
--- /dev/null
+++ b/security/sandbox/chromium/base/hash.h
@@ -0,0 +1,40 @@
+// Copyright (c) 2011 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.
+
+#ifndef BASE_HASH_H_
+#define BASE_HASH_H_
+
+#include <stddef.h>
+#include <stdint.h>
+
+#include <limits>
+#include <string>
+
+#include "base/base_export.h"
+#include "base/logging.h"
+
+namespace base {
+
+// WARNING: This hash function should not be used for any cryptographic purpose.
+BASE_EXPORT uint32_t SuperFastHash(const char* data, int len);
+
+// Computes a hash of a memory buffer |data| of a given |length|.
+// WARNING: This hash function should not be used for any cryptographic purpose.
+inline uint32_t Hash(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));
+}
+
+// Computes a hash of a string |str|.
+// WARNING: This hash function should not be used for any cryptographic purpose.
+inline uint32_t Hash(const std::string& str) {
+  return Hash(str.data(), str.size());
+}
+
+}  // namespace base
+
+#endif  // BASE_HASH_H_