ctime 2.2 KB

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  1. // -*- C++ -*- forwarding header.
  2. // Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
  3. // 2006, 2007, 2008, 2009
  4. // Free Software Foundation, Inc.
  5. //
  6. // This file is part of the GNU ISO C++ Library. This library is free
  7. // software; you can redistribute it and/or modify it under the
  8. // terms of the GNU General Public License as published by the
  9. // Free Software Foundation; either version 3, or (at your option)
  10. // any later version.
  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. // Under Section 7 of GPL version 3, you are granted additional
  16. // permissions described in the GCC Runtime Library Exception, version
  17. // 3.1, as published by the Free Software Foundation.
  18. // You should have received a copy of the GNU General Public License and
  19. // a copy of the GCC Runtime Library Exception along with this program;
  20. // see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
  21. // <http://www.gnu.org/licenses/>.
  22. /** @file include/ctime
  23. * This is a Standard C++ Library file. You should @c #include this file
  24. * in your programs, rather than any of the "*.h" implementation files.
  25. *
  26. * This is the C++ version of the Standard C Library header @c time.h,
  27. * and its contents are (mostly) the same as that header, but are all
  28. * contained in the namespace @c std (except for names which are defined
  29. * as macros in C).
  30. */
  31. //
  32. // ISO C++ 14882: 20.5 Date and time
  33. //
  34. #pragma GCC system_header
  35. #include <cstddef>
  36. #include <time.h>
  37. #ifndef _GLIBCXX_CTIME
  38. #define _GLIBCXX_CTIME 1
  39. // Get rid of those macros defined in <time.h> in lieu of real functions.
  40. #undef clock
  41. #undef difftime
  42. #undef mktime
  43. #undef time
  44. #undef asctime
  45. #undef ctime
  46. #undef gmtime
  47. #undef localtime
  48. #undef strftime
  49. _GLIBCXX_BEGIN_NAMESPACE(std)
  50. using ::clock_t;
  51. using ::time_t;
  52. using ::tm;
  53. using ::clock;
  54. using ::difftime;
  55. using ::mktime;
  56. using ::time;
  57. using ::asctime;
  58. using ::ctime;
  59. using ::gmtime;
  60. using ::localtime;
  61. using ::strftime;
  62. _GLIBCXX_END_NAMESPACE
  63. #endif