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1 | // <system_error> implementation file |
2 | ||
e9599233 | 3 | // Copyright (C) 2007, 2008, 2009, 2010, 2011 Free Software Foundation, Inc. |
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4 | // |
5 | // This file is part of the GNU ISO C++ Library. This library is free | |
6 | // software; you can redistribute it and/or modify it under the | |
7 | // terms of the GNU General Public License as published by the | |
748086b7 | 8 | // Free Software Foundation; either version 3, or (at your option) |
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9 | // any later version. |
10 | ||
11 | // This library is distributed in the hope that it will be useful, | |
12 | // but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | // GNU General Public License for more details. | |
15 | ||
748086b7 JJ |
16 | // Under Section 7 of GPL version 3, you are granted additional |
17 | // permissions described in the GCC Runtime Library Exception, version | |
18 | // 3.1, as published by the Free Software Foundation. | |
19 | ||
20 | // You should have received a copy of the GNU General Public License and | |
21 | // a copy of the GCC Runtime Library Exception along with this program; | |
22 | // see the files COPYING3 and COPYING.RUNTIME respectively. If not, see | |
23 | // <http://www.gnu.org/licenses/>. | |
0646d8a3 | 24 | |
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25 | |
26 | #include <cstring> | |
27 | #include <system_error> | |
28 | #include <bits/functexcept.h> | |
29 | #include <limits> | |
30 | ||
31 | namespace | |
32 | { | |
70593ad2 | 33 | using std::string; |
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34 | |
35 | struct generic_error_category : public std::error_category | |
0646d8a3 | 36 | { |
6ad86a5b FC |
37 | generic_error_category() {} |
38 | ||
70593ad2 | 39 | virtual const char* |
0646d8a3 | 40 | name() const |
92010a79 | 41 | { return "generic"; } |
0646d8a3 | 42 | |
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43 | virtual string |
44 | message(int i) const | |
0646d8a3 | 45 | { |
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46 | // XXX locale issues: how does one get or set loc. |
47 | // _GLIBCXX_HAVE_STRERROR_L, strerror_l(i, cloc) | |
48 | return string(strerror(i)); | |
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49 | } |
50 | }; | |
51 | ||
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52 | struct system_error_category : public std::error_category |
53 | { | |
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54 | system_error_category() {} |
55 | ||
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56 | virtual const char* |
57 | name() const | |
58 | { return "system"; } | |
0646d8a3 | 59 | |
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60 | virtual string |
61 | message(int i) const | |
62 | { | |
63 | // XXX locale issues: how does one get or set loc. | |
64 | // _GLIBCXX_HAVE_STRERROR_L, strerror_l(i, cloc) | |
65 | return string(strerror(i)); | |
66 | } | |
67 | }; | |
0646d8a3 | 68 | |
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69 | const generic_error_category generic_category_instance; |
70 | const system_error_category system_category_instance; | |
71 | } | |
70593ad2 | 72 | |
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73 | namespace std _GLIBCXX_VISIBILITY(default) |
74 | { | |
75 | _GLIBCXX_BEGIN_NAMESPACE_VERSION | |
0646d8a3 | 76 | |
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77 | error_category::error_category() = default; |
78 | ||
79 | error_category::~error_category() = default; | |
80 | ||
9b3003d5 | 81 | const error_category& |
32ade559 | 82 | system_category() throw() { return system_category_instance; } |
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83 | |
84 | const error_category& | |
32ade559 | 85 | generic_category() throw() { return generic_category_instance; } |
92010a79 | 86 | |
e9599233 | 87 | system_error::~system_error() throw() = default; |
0646d8a3 | 88 | |
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89 | error_condition |
90 | error_category::default_error_condition(int __i) const | |
91 | { return error_condition(__i, *this); } | |
92 | ||
93 | bool | |
94 | error_category::equivalent(int __i, const error_condition& __cond) const | |
95 | { return default_error_condition(__i) == __cond; } | |
96 | ||
97 | bool | |
98 | error_category::equivalent(const error_code& __code, int __i) const | |
99 | { return *this == __code.category() && __code.value() == __i; } | |
100 | ||
101 | error_condition | |
102 | error_code::default_error_condition() const | |
103 | { return category().default_error_condition(value()); } | |
104 | ||
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105 | _GLIBCXX_END_NAMESPACE_VERSION |
106 | } // namespace |