1 //
2 // Automated Testing Framework (atf)
3 //
4 // Copyright (c) 2007 The NetBSD Foundation, Inc.
5 // All rights reserved.
6 //
7 // Redistribution and use in source and binary forms, with or without
8 // modification, are permitted provided that the following conditions
9 // are met:
10 // 1. Redistributions of source code must retain the above copyright
11 // notice, this list of conditions and the following disclaimer.
12 // 2. Redistributions in binary form must reproduce the above copyright
13 // notice, this list of conditions and the following disclaimer in the
14 // documentation and/or other materials provided with the distribution.
15 //
16 // THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND
17 // CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
18 // INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
19 // MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 // IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS BE LIABLE FOR ANY
21 // DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 // DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
23 // GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
24 // INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
25 // IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
26 // OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
27 // IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 //
29
30 #include <cstring>
31
32 #include "exceptions.hpp"
33
34 // ------------------------------------------------------------------------
35 // The "system_error" type.
36 // ------------------------------------------------------------------------
37
system_error(const std::string & who,const std::string & message,int sys_err)38 tools::system_error::system_error(const std::string& who,
39 const std::string& message,
40 int sys_err) :
41 std::runtime_error(who + ": " + message),
42 m_sys_err(sys_err)
43 {
44 }
45
~system_error(void)46 tools::system_error::~system_error(void)
47 throw()
48 {
49 }
50
51 int
code(void) const52 tools::system_error::code(void)
53 const
54 throw()
55 {
56 return m_sys_err;
57 }
58
59 const char*
what(void) const60 tools::system_error::what(void)
61 const
62 throw()
63 {
64 try {
65 if (m_message.length() == 0) {
66 m_message = std::string(std::runtime_error::what()) + ": ";
67 m_message += ::strerror(m_sys_err);
68 }
69
70 return m_message.c_str();
71 } catch (...) {
72 return "Unable to format system_error message";
73 }
74 }
75