1 // -*- C++ -*- forwarding header. 2 3 // Copyright (C) 1997-2014 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 3, 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 // 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/>. 24 25 /** @file include/ctime 26 * This is a Standard C++ Library file. You should @c \#include this file 27 * in your programs, rather than any of the @a *.h implementation files. 28 * 29 * This is the C++ version of the Standard C Library header @c time.h, 30 * and its contents are (mostly) the same as that header, but are all 31 * contained in the namespace @c std (except for names which are defined 32 * as macros in C). 33 */ 34 35 // 36 // ISO C++ 14882: 20.5 Date and time 37 // 38 39 #pragma GCC system_header 40 41 #include <bits/c++config.h> 42 #include <time.h> 43 44 #ifndef _GLIBCXX_CTIME 45 #define _GLIBCXX_CTIME 1 46 47 // Get rid of those macros defined in <time.h> in lieu of real functions. 48 #undef clock 49 #undef difftime 50 #undef mktime 51 #undef time 52 #undef asctime 53 #undef ctime 54 #undef gmtime 55 #undef localtime 56 #undef strftime 57 58 namespace std 59 { 60 using ::clock_t; 61 using ::time_t; 62 using ::tm; 63 64 using ::clock; 65 using ::difftime; 66 using ::mktime; 67 using ::time; 68 using ::asctime; 69 using ::ctime; 70 using ::gmtime; 71 using ::localtime; 72 using ::strftime; 73 } // namespace 74 75 #endif 76