libstdc++
ctime
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// -*- C++ -*- forwarding header.
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// Copyright (C) 1997-2024 Free Software Foundation, Inc.
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//
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// This file is part of the GNU ISO C++ Library. This library is free
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// software; you can redistribute it and/or modify it under the
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// terms of the GNU General Public License as published by the
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// Free Software Foundation; either version 3, or (at your option)
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// any later version.
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// Under Section 7 of GPL version 3, you are granted additional
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// permissions described in the GCC Runtime Library Exception, version
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// 3.1, as published by the Free Software Foundation.
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// You should have received a copy of the GNU General Public License and
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// a copy of the GCC Runtime Library Exception along with this program;
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// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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// <http://www.gnu.org/licenses/>.
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/** @file include/ctime
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* This is a Standard C++ Library file. You should @c \#include this file
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* in your programs, rather than any of the @a *.h implementation files.
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*
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* This is the C++ version of the Standard C Library header @c time.h,
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* and its contents are (mostly) the same as that header, but are all
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* contained in the namespace @c std (except for names which are defined
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* as macros in C).
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*/
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//
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// ISO C++ 14882: 20.5 Date and time
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//
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#pragma GCC system_header
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#include <
bits/c++config.h
>
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#include <time.h>
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#ifndef _GLIBCXX_CTIME
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#define _GLIBCXX_CTIME 1
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// Get rid of those macros defined in <time.h> in lieu of real functions.
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#undef clock
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#undef difftime
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#undef mktime
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#undef time
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#undef asctime
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#undef ctime
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#undef gmtime
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#undef localtime
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#undef strftime
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namespace
std
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{
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using ::clock_t;
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using ::time_t;
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using ::tm;
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using ::clock;
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using ::difftime;
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using ::mktime;
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using ::time;
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using ::asctime;
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using ::ctime;
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using ::gmtime;
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using ::localtime;
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using ::strftime;
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}
// namespace
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#if __cplusplus >= 201703L && defined(_GLIBCXX_HAVE_TIMESPEC_GET)
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#undef timespec_get
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namespace
std
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{
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using ::timespec;
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using ::timespec_get;
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}
// namespace std
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#endif
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#endif
c++config.h
std
ISO C++ entities toplevel namespace is std.
ctime
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