libstdc++-v3/include/c_std/std_cerrno.h

   1 // The -*- C++ -*- forwarding header.
   2
   3 // Copyright (C) 1997, 1998, 1999, 2001, 2002 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 2, 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 // You should have received a copy of the GNU General Public License along
  17 // with this library; see the file COPYING.  If not, write to the Free
  18 // Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
  19 // USA.
  20
  21 // As a special exception, you may use this file as part of a free software
  22 // library without restriction.  Specifically, if other files instantiate
  23 // templates or use macros or inline functions from this file, or you compile
  24 // this file and link it with other files to produce an executable, this
  25 // file does not by itself cause the resulting executable to be covered by
  26 // the GNU General Public License.  This exception does not however
  27 // invalidate any other reasons why the executable file might be covered by
  28 // the GNU General Public License.
  29
  30 //
  31 // ISO C++ 14882: 19.3  Error numbers
  32 //
  33
  34 /** @file cerrno
  35  *  This is a Standard C++ Library file.  You should @c #include this file
  36  *  in your programs, rather than any of the "*.h" implementation files.
  37  *
  38  *  This is the C++ version of the Standard C Library header @c errno.h,
  39  *  and its contents are (mostly) the same as that header, but are all
  40  *  contained in the namespace @c std.
  41  */
  42
  43 #ifndef _GLIBCXX_CERRNO
  44 #define _GLIBCXX_CERRNO 1
  45
  46 #pragma GCC system_header
  47
  48 #include <errno.h>
  49
  50 // Adhere to section 17.4.1.2 clause 5 of ISO 14882:1998
  51 #ifndef errno
  52 #define errno errno
  53 #endif
  54
  55 #endif