1/*-
2 * Copyright (c) 2012, 2013 Spectra Logic Corporation
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions, and the following disclaimer,
10 *    without modification.
11 * 2. Redistributions in binary form must reproduce at minimum a disclaimer
12 *    substantially similar to the "NO WARRANTY" disclaimer below
13 *    ("Disclaimer") and any redistribution must be conditioned upon
14 *    including a substantially similar Disclaimer requirement for further
15 *    binary redistribution.
16 *
17 * NO WARRANTY
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
22 * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
26 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
27 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
28 * POSSIBILITY OF SUCH DAMAGES.
29 *
30 * Authors: Alan Somers         (Spectra Logic Corporation)
31 *
32 * $FreeBSD$
33 */
34
35/**
36 * \file guid.cc
37 *
38 * Implementation of the Guid class.
39 */
40#include <sys/cdefs.h>
41
42#include <stdlib.h>
43#include <limits.h>
44#include <inttypes.h>
45
46#include <iostream>
47#include <string>
48
49#include "guid.h"
50
51__FBSDID("$FreeBSD$");
52/*============================ Namespace Control =============================*/
53using std::string;
54namespace DevdCtl
55{
56
57/*=========================== Class Implementations ==========================*/
58/*----------------------------------- Guid -----------------------------------*/
59Guid::Guid(const string &guidString)
60{
61	if (guidString.empty()) {
62		m_GUID = INVALID_GUID;
63	} else {
64		/*
65		 * strtoumax() returns zero on conversion failure
66		 * which nicely matches our choice for INVALID_GUID.
67		 */
68		m_GUID = (uint64_t)strtoumax(guidString.c_str(), NULL, 0);
69	}
70}
71
72std::ostream&
73operator<< (std::ostream& out, Guid g)
74{
75	if (g.IsValid())
76		out << (uint64_t)g;
77	else
78		out << "None";
79	return (out);
80}
81
82} // namespace DevdCtl
83