tests/test-mknod.c

   1 /* Tests of mknod.
   2    Copyright (C) 2009-2024 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   int result = test_mkfifo (do_mknod, true);
  55   return (result ? result : test_exit_status);
  56 }