toolchain/gcc/libstdc++-v3/testsuite/17_intro/header_cerrno.cc

   1 // 2001-02-06  Benjamin Kosnik  <bkoz@redhat.com>
   2
   3 // Copyright (C) 2001, 2003 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 // 17.4.1.2 Headers, cerrno
  22
  23 #include <cerrno>
  24
  25 namespace gnu
  26 {
  27   int test01()
  28   {
  29     int i = errno;
  30 #ifndef errno
  31     #error "errno_must_be_a_macro"
  32 #endif
  33     return i;
  34   }
  35 }
  36
  37 int main()
  38 {
  39   gnu::test01();
  40   return 0;
  41 }