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95 lines
2.0 KiB
C
95 lines
2.0 KiB
C
/* Copyright (C) 1998-2023 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<https://www.gnu.org/licenses/>. */
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#include <dirent.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include <sys/stat.h>
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/* Name of the FIFO. */
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char tmpname[] = "fifoXXXXXX";
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/* Do the real work. */
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static int
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real_test (void)
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{
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DIR *dirp;
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/* This should not block for an FIFO. */
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dirp = opendir (tmpname);
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/* Successful. */
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if (dirp != NULL)
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{
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/* Oh, oh, how can this work? */
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fputs ("`opendir' succeeded on a FIFO???\n", stdout);
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closedir (dirp);
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return 1;
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}
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if (errno != ENOTDIR)
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{
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fprintf (stdout, "`opendir' return error `%s' instead of `%s'\n",
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strerror (errno), strerror (ENOTDIR));
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return 1;
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}
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return 0;
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}
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static int
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do_test (void)
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{
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int retval;
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if (mktemp (tmpname) == NULL)
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{
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perror ("mktemp");
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return 1;
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}
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/* Try to generate a FIFO. */
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if (mknod (tmpname, 0600 | S_IFIFO, 0) < 0)
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{
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perror ("mknod");
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/* We cannot make this an error. */
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return 0;
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}
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retval = real_test ();
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remove (tmpname);
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return retval;
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}
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static void
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do_cleanup (void)
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{
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remove (tmpname);
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}
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#define CLEANUP_HANDLER do_cleanup
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#include <support/test-driver.c>
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