1 files changed, 77 insertions, 0 deletions
diff --git a/gnulib-tests/test-mkfifo.h b/gnulib-tests/test-mkfifo.h
new file mode 100644
index 0000000..365fc6d
--- /dev/null
+++ b/gnulib-tests/test-mkfifo.h
@@ -0,0 +1,77 @@
+/* Tests of mkfifo and friends.
+   Copyright (C) 2009-2023 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 Eric Blake <ebb9@byu.net>, 2009.  */
+
+/* This file is designed to test mkfifo(n,m), mknod(n,m|S_IFIFO,0),
+   mkfifoat(AT_FDCWD,n,m), and mknodat(AT_FDCWD,n,m|S_IFIFO,0).  FUNC
+   is the function to test.  Assumes that BASE and ASSERT are already
+   defined, and that appropriate headers are already included.  If
+   PRINT, warn before skipping symlink tests with status 77.  */
+
+static int
+test_mkfifo (int (*func) (char const *, mode_t), bool print)
+{
+  int result = func (BASE "fifo", 0600);
+  struct stat st;
+  if (result == -1 && errno == ENOSYS)
+    {
+      if (print)
+        fputs ("skipping test: no support for named fifos\n", stderr);
+      return 77;
+    }
+  ASSERT (result == 0);
+  ASSERT (stat (BASE "fifo", &st) == 0);
+  ASSERT (S_ISFIFO (st.st_mode));
+
+  /* Sanity checks of failures.  */
+  errno = 0;
+  ASSERT (func ("", S_IRUSR | S_IWUSR) == -1);
+  ASSERT (errno == ENOENT);
+  errno = 0;
+  ASSERT (func (".", 0600) == -1);
+  /* Allow HP-UX 11.11's EISDIR, even though POSIX says it's wrong,
+     since it doesn't really hurt anything and we lack the energy to
+     fix it.  */
+  ASSERT (errno == EEXIST || errno == EINVAL || errno == EISDIR);
+  errno = 0;
+  ASSERT (func (BASE "fifo", 0600) == -1);
+  ASSERT (errno == EEXIST);
+  ASSERT (unlink (BASE "fifo") == 0);
+  errno = 0;
+  ASSERT (func (BASE "fifo/", 0600) == -1);
+  ASSERT (errno == ENOENT || errno == ENOTDIR);
+
+  /* Test trailing slash behavior.  */
+  if (symlink (BASE "fifo", BASE "link"))
+    {
+      if (print)
+        fputs ("skipping test: symlinks not supported on this file system\n",
+               stderr);
+      return 77;
+    }
+  errno = 0;
+  ASSERT (func (BASE "link", 0600) == -1);
+  ASSERT (errno == EEXIST);
+  errno = 0;
+  ASSERT (func (BASE "link/", 0600) == -1);
+  ASSERT (errno == EEXIST || errno == ENOENT || errno == ENOTDIR);
+  errno = 0;
+  ASSERT (unlink (BASE "fifo") == -1);
+  ASSERT (errno == ENOENT);
+  ASSERT (unlink (BASE "link") == 0);
+  return 0;
+}