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1 | // -*- C++ -*- header wrapper. |
2 | ||
3 | // Copyright (C) 1997-1999, 2000 Free Software Foundation, Inc. | |
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 | |
8 | // Free Software Foundation; either version 2, or (at your option) | |
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 | ||
16 | // You should have received a copy of the GNU General Public License along | |
17 | // with this library; see the file COPYING. If not, write to the Free | |
18 | // Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, | |
19 | // USA. | |
20 | ||
21 | // As a special exception, you may use this file as part of a free software | |
22 | // library without restriction. Specifically, if other files instantiate | |
23 | // templates or use macros or inline functions from this file, or you compile | |
24 | // this file and link it with other files to produce an executable, this | |
25 | // file does not by itself cause the resulting executable to be covered by | |
26 | // the GNU General Public License. This exception does not however | |
27 | // invalidate any other reasons why the executable file might be covered by | |
28 | // the GNU General Public License. | |
29 | ||
30 | // | |
31 | // ISO C++ 14882: 20.5 Date and time | |
32 | // | |
33 | ||
34 | #ifndef _CPP_CTIME | |
35 | #define _CPP_CTIME 1 | |
36 | ||
37 | # ifdef _IN_C_LEGACY_ /* sub-included by a C header */ | |
38 | // get out of the "legacy" | |
39 | } // close extern "C" | |
40 | } // close namespace _C_legacy:: | |
41 | # undef _IN_C_LEGACY_ | |
42 | # define _TIME_NEED_C_LEGACY_ | |
43 | # endif | |
44 | ||
45 | # include <bits/std_cstddef.h> | |
46 | ||
47 | namespace _C_legacy { | |
48 | extern "C" { | |
49 | # define _IN_C_LEGACY_ | |
50 | # pragma GCC system_header | |
51 | ||
52 | // XXX | |
53 | // glibc 2.1.x time.h is on crack | |
54 | # undef __need_time_t | |
55 | # undef __need_clock_t | |
56 | # undef __need_timespec | |
57 | ||
58 | # include_next <time.h> | |
59 | } | |
60 | ||
61 | typedef clock_t _CPP_clock_t_capture; | |
62 | typedef time_t _CPP_time_t_capture; | |
63 | typedef tm _CPP_tm_capture; | |
64 | ||
65 | } // namespace _C_legacy | |
66 | ||
67 | # undef clock_t | |
68 | # undef time_t | |
69 | # undef tm | |
70 | # undef clock | |
71 | # undef difftime | |
72 | # undef mktime | |
73 | # undef time | |
74 | # undef asctime | |
75 | # undef ctime | |
76 | # undef gmtime | |
77 | # undef localtime | |
78 | # undef strftime | |
79 | ||
80 | namespace std { | |
81 | ||
82 | // Adopt C names into std:: | |
83 | typedef _C_legacy::_CPP_clock_t_capture clock_t; | |
84 | typedef _C_legacy::_CPP_time_t_capture time_t; | |
85 | struct tm : _C_legacy::_CPP_tm_capture { }; | |
86 | ||
87 | using _C_legacy::clock; | |
88 | using _C_legacy::difftime; | |
89 | using _C_legacy::mktime; | |
90 | using _C_legacy::time; | |
91 | using _C_legacy::ctime; | |
92 | ||
93 | inline char* | |
94 | asctime(const tm* __t) | |
95 | { return _C_legacy::asctime(static_cast<_C_legacy::_CPP_tm_capture const*>(__t)); } | |
96 | ||
97 | inline tm* | |
98 | gmtime(time_t const* __tp) | |
99 | { return reinterpret_cast<tm*>(_C_legacy::gmtime(__tp)); } | |
100 | ||
101 | inline tm* | |
102 | localtime(const time_t* __tp) | |
103 | { return reinterpret_cast<tm*>(_C_legacy::localtime(__tp)); } | |
104 | ||
105 | inline size_t | |
106 | strftime(char* __buf, size_t __maxsz, char const* __fmt, tm const* __tp) | |
107 | { return _C_legacy::strftime(__buf, __maxsz, __fmt, | |
108 | static_cast<_C_legacy::_CPP_tm_capture const*>(__tp)); } | |
109 | ||
110 | } // namespace std | |
111 | ||
112 | # undef _IN_C_LEGACY_ | |
113 | ||
114 | // Expose global C names, including non-standard ones, but shadow | |
115 | // some names and types with the std:: C++ version. | |
116 | using std::clock_t; | |
117 | using std::time_t; | |
118 | using std::tm; | |
119 | ||
120 | using std::clock; | |
121 | using std::difftime; | |
122 | using std::mktime; | |
123 | using std::time; | |
124 | using std::asctime; | |
125 | using std::ctime; | |
126 | using std::gmtime; | |
127 | using std::localtime; | |
128 | using std::strftime; | |
129 | ||
130 | # ifdef _TIME_NEED_C_LEGACY_ | |
131 | // dive back into the "swamp" | |
132 | namespace _C_legacy { | |
133 | extern "C" { | |
134 | # define _IN_C_LEGACY_ | |
135 | # undef _TIME_NEED_C_LEGACY_ | |
136 | # endif /* _TIME_NEED_C_LEGACY_ */ | |
137 | ||
138 | #endif /*_CPP_CTIME*/ | |
139 | ||
140 |