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 =============================*/ 53 using std::string; 54 namespace DevdCtl 55 { 56 57 /*=========================== Class Implementations ==========================*/ 58 /*----------------------------------- Guid -----------------------------------*/ 59 Guid::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 72 std::ostream& 73 operator<< (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