Line data    Source code

       1             : /* Test of getdtablesize() function.
       2             :    Copyright (C) 2008-2020 Free Software Foundation, Inc.
       3             : 
       4             :    This program is free software: you can redistribute it and/or modify
       5             :    it under the terms of the GNU General Public License as published by
       6             :    the Free Software Foundation; either version 3 of the License, or
       7             :    (at your option) any later version.
       8             : 
       9             :    This program is distributed in the hope that it will be useful,
      10             :    but WITHOUT ANY WARRANTY; without even the implied warranty of
      11             :    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
      12             :    GNU General Public License for more details.
      13             : 
      14             :    You should have received a copy of the GNU General Public License
      15             :    along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
      16             : 
      17             : /* Written by Bruno Haible <bruno@clisp.org>, 2008.  */
      18             : 
      19             : #include <config.h>
      20             : 
      21             : #include <unistd.h>
      22             : 
      23             : #include "signature.h"
      24             : SIGNATURE_CHECK (getdtablesize, int, (void));
      25             : 
      26             : #include "macros.h"
      27             : 
      28             : int
      29           1 : main (int argc, char *argv[])
      30             : {
      31           1 :   ASSERT (getdtablesize () >= 3);
      32           1 :   ASSERT (dup2 (0, getdtablesize() - 1) == getdtablesize () - 1);
      33           1 :   ASSERT (dup2 (0, getdtablesize()) == -1);
      34             : 
      35           1 :   return 0;
      36             : }