root/net/base/dns_util.h

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INCLUDED FROM

// Copyright (c) 2012 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 NET_BASE_DNS_UTIL_H_
#define NET_BASE_DNS_UTIL_H_

#include <string>

#include "base/basictypes.h"
#include "base/strings/string_piece.h"
#include "net/base/net_export.h"

namespace net {

// DNSDomainFromDot - convert a domain string to DNS format. From DJB's
// public domain DNS library.
//
//   dotted: a string in dotted form: "www.google.com"
//   out: a result in DNS form: "\x03www\x06google\x03com\x00"
NET_EXPORT_PRIVATE bool DNSDomainFromDot(const base::StringPiece& dotted,
                                         std::string* out);

// DNSDomainToString converts a domain in DNS format to a dotted string.
// Excludes the dot at the end.
NET_EXPORT_PRIVATE std::string DNSDomainToString(
    const base::StringPiece& domain);

// Returns the hostname by trimming the ending dot, if one exists.
NET_EXPORT std::string TrimEndingDot(const base::StringPiece& host);

}  // namespace net

#endif  // NET_BASE_DNS_UTIL_H_
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