1  /* Tests of mknod.
       2     Copyright (C) 2009-2023 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 Eric Blake <ebb9@byu.net>, 2009.  */
      18  
      19  #include <config.h>
      20  
      21  #include <sys/stat.h>
      22  
      23  #include "signature.h"
      24  SIGNATURE_CHECK (mknod, int, (char const *, mode_t, dev_t));
      25  
      26  #include <fcntl.h>
      27  #include <errno.h>
      28  #include <stdio.h>
      29  #include <stdlib.h>
      30  #include <unistd.h>
      31  
      32  #include "ignore-value.h"
      33  #include "macros.h"
      34  
      35  #define BASE "test-mknod.t"
      36  
      37  #include "test-mkfifo.h"
      38  
      39  /* Wrapper around mknod, to create fifos.  */
      40  static int
      41  do_mknod (char const *name, mode_t mode)
      42  {
      43    return mknod (name, mode | S_IFIFO, 0);
      44  }
      45  
      46  int
      47  main (void)
      48  {
      49    /* Remove any leftovers from a previous partial run.  */
      50    ignore_value (system ("rm -rf " BASE "*"));
      51  
      52    /* We can only portably test creation of fifos.  Anything else
      53       requires root privileges and knowledge of device numbers.  */
      54    return test_mkfifo (do_mknod, true);
      55  }