kc3-lang/gnulib/tests/test-dirfd.c

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• Hash : 7b089321
  Author :
  Date : 2025-01-01T09:24:36
  

  maint: run 'make update-copyright'
  

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• tests/test-dirfd.c

• /* Test of dirfd() function.
     Copyright (C) 2023-2025 Free Software Foundation, Inc.
  
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
     the Free Software Foundation, either version 3 of the License, or
     (at your option) any later version.
  
     This program is distributed in the hope that it will be useful,
     but WITHOUT ANY WARRANTY; without even the implied warranty of
     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     GNU General Public License for more details.
  
     You should have received a copy of the GNU General Public License
     along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
  
  /* Written by Bruno Haible <bruno@clisp.org>, 2023.  */
  
  #include <config.h>
  
  #include <dirent.h>
  
  #include <stdio.h>
  
  #include "macros.h"
  
  int
  main ()
  {
  #if defined _WIN32 && !defined __CYGWIN__
    fprintf (stderr, "Skipping test: The DIR type does not contain a file descriptor.\n");
    return 77;
  #else
    /* On all other platforms, we expect to have either
         - a dirfd() function, or
         - a dirfd macro, or
         - a DIR struct with a d_fd member, or
         - a DIR struct with a dd_fd member.
       If we don't have this, dirfd.c produces a function that always returns -1.
       Check here that this does not happen.  */
    DIR *d = opendir (".");
    int fd = dirfd (d);
    ASSERT (fd >= 0);
  
    return test_exit_status;
  #endif
  }
  

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