1// Copyright (c) 2012 The Chromium Authors. All rights reserved. 2// Use of this source code is governed by a BSD-style license that can be 3// found in the LICENSE file. 4 5#ifndef NET_BASE_DNS_UTIL_H_ 6#define NET_BASE_DNS_UTIL_H_ 7 8#include <string> 9 10#include "base/basictypes.h" 11#include "base/strings/string_piece.h" 12#include "net/base/net_export.h" 13 14namespace net { 15 16// DNSDomainFromDot - convert a domain string to DNS format. From DJB's 17// public domain DNS library. 18// 19// dotted: a string in dotted form: "www.google.com" 20// out: a result in DNS form: "\x03www\x06google\x03com\x00" 21NET_EXPORT_PRIVATE bool DNSDomainFromDot(const base::StringPiece& dotted, 22 std::string* out); 23 24// DNSDomainToString converts a domain in DNS format to a dotted string. 25// Excludes the dot at the end. 26NET_EXPORT_PRIVATE std::string DNSDomainToString( 27 const base::StringPiece& domain); 28 29// Returns the hostname by trimming the ending dot, if one exists. 30NET_EXPORT std::string TrimEndingDot(const base::StringPiece& host); 31 32} // namespace net 33 34#endif // NET_BASE_DNS_UTIL_H_ 35