libstdc++-v3/include/c_global/ctime

   1 // -*- C++ -*- forwarding header.
   2
   3 // Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
   4 // 2006, 2007, 2008, 2009
   5 // Free Software Foundation, Inc.
   6 //
   7 // This file is part of the GNU ISO C++ Library.  This library is free
   8 // software; you can redistribute it and/or modify it under the
   9 // terms of the GNU General Public License as published by the
  10 // Free Software Foundation; either version 3, or (at your option)
  11 // any later version.
  12
  13 // This library is distributed in the hope that it will be useful,
  14 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 // GNU General Public License for more details.
  17
  18 // Under Section 7 of GPL version 3, you are granted additional
  19 // permissions described in the GCC Runtime Library Exception, version
  20 // 3.1, as published by the Free Software Foundation.
  21
  22 // You should have received a copy of the GNU General Public License and
  23 // a copy of the GCC Runtime Library Exception along with this program;
  24 // see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
  25 // <http://www.gnu.org/licenses/>.
  26
  27 /** @file include/ctime
  28  *  This is a Standard C++ Library file.  You should @c #include this file
  29  *  in your programs, rather than any of the "*.h" implementation files.
  30  *
  31  *  This is the C++ version of the Standard C Library header @c time.h,
  32  *  and its contents are (mostly) the same as that header, but are all
  33  *  contained in the namespace @c std (except for names which are defined
  34  *  as macros in C).
  35  */
  36
  37 //
  38 // ISO C++ 14882: 20.5  Date and time
  39 //
  40
  41 #pragma GCC system_header
  42
  43 #include <cstddef>
  44 #include <time.h>
  45
  46 #ifndef _GLIBCXX_CTIME
  47 #define _GLIBCXX_CTIME 1
  48
  49 // Get rid of those macros defined in <time.h> in lieu of real functions.
  50 #undef clock
  51 #undef difftime
  52 #undef mktime
  53 #undef time
  54 #undef asctime
  55 #undef ctime
  56 #undef gmtime
  57 #undef localtime
  58 #undef strftime
  59
  60 _GLIBCXX_BEGIN_NAMESPACE(std)
  61
  62   using ::clock_t;
  63   using ::time_t;
  64   using ::tm;
  65
  66   using ::clock;
  67   using ::difftime;
  68   using ::mktime;
  69   using ::time;
  70   using ::asctime;
  71   using ::ctime;
  72   using ::gmtime;
  73   using ::localtime;
  74   using ::strftime;
  75
  76 _GLIBCXX_END_NAMESPACE
  77
  78 #endif