77 lines
2.6 KiB
C
77 lines
2.6 KiB
C
/* Tests of mkfifo and friends.
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Copyright (C) 2009-2025 Free Software Foundation, Inc.
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program 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
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>. */
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/* Written by Eric Blake <ebb9@byu.net>, 2009. */
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/* This file is designed to test mkfifo(n,m), mknod(n,m|S_IFIFO,0),
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mkfifoat(AT_FDCWD,n,m), and mknodat(AT_FDCWD,n,m|S_IFIFO,0). FUNC
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is the function to test. Assumes that BASE and ASSERT are already
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defined, and that appropriate headers are already included. If
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PRINT, warn before skipping symlink tests with status 77. */
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static int
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test_mkfifo (int (*func) (char const *, mode_t), bool print)
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{
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int result = func (BASE "fifo", 0600);
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struct stat st;
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if (result == -1 && errno == ENOSYS)
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{
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if (print)
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fputs ("skipping test: no support for named fifos\n", stderr);
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return 77;
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}
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ASSERT (result == 0);
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ASSERT (stat (BASE "fifo", &st) == 0);
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ASSERT (S_ISFIFO (st.st_mode));
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/* Sanity checks of failures. */
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errno = 0;
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ASSERT (func ("", S_IRUSR | S_IWUSR) == -1);
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ASSERT (errno == ENOENT);
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errno = 0;
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ASSERT (func (".", 0600) == -1);
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/* Allow HP-UX 11.11's EISDIR, even though POSIX says it's wrong,
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since it doesn't really hurt anything and we lack the energy to
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fix it. */
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ASSERT (errno == EEXIST || errno == EINVAL || errno == EISDIR);
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errno = 0;
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ASSERT (func (BASE "fifo", 0600) == -1);
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ASSERT (errno == EEXIST);
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ASSERT (unlink (BASE "fifo") == 0);
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errno = 0;
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ASSERT (func (BASE "fifo/", 0600) == -1);
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ASSERT (errno == ENOENT || errno == ENOTDIR);
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/* Test trailing slash behavior. */
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if (symlink (BASE "fifo", BASE "link"))
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{
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if (print)
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fputs ("skipping test: symlinks not supported on this file system\n",
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stderr);
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return 77;
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}
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errno = 0;
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ASSERT (func (BASE "link", 0600) == -1);
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ASSERT (errno == EEXIST);
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errno = 0;
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ASSERT (func (BASE "link/", 0600) == -1);
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ASSERT (errno == EEXIST || errno == ENOENT || errno == ENOTDIR);
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errno = 0;
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ASSERT (unlink (BASE "fifo") == -1);
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ASSERT (errno == ENOENT);
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ASSERT (unlink (BASE "link") == 0);
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return 0;
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}
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