1 // -*- C++ -*- forwarding header. 2 3 // Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 4 // 2006, 2007, 2008, 2009, 2010 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 @a *.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 <bits/c++config.h> 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 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 } // namespace 76 77 #endif 78