From 12787062bf64b89a24fd5c71338e79b2d5b68162 Mon Sep 17 00:00:00 2001
From: kib <kib@ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f>
Date: Sun, 1 Jan 2012 23:36:13 +0000
Subject: [PATCH] MFC r228177: Add a simple test for pipe inode numbers
 reported by fstat(2).

git-svn-id: svn://svn.freebsd.org/base/stable/9@229240 ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f
---
 tools/regression/pipe/pipe-ino.c | 66 ++++++++++++++++++++++++++++++++
 1 file changed, 66 insertions(+)
 create mode 100644 tools/regression/pipe/pipe-ino.c

diff --git a/tools/regression/pipe/pipe-ino.c b/tools/regression/pipe/pipe-ino.c
new file mode 100644
index 000000000..f739cc926
--- /dev/null
+++ b/tools/regression/pipe/pipe-ino.c
@@ -0,0 +1,66 @@
+/*-
+ * Copyright (c) 2011 Giovanni Trematerra <giovanni.trematerra@gmail.com>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+/*
+ * $FreeBSD$
+ * Test conformance to stat(2) SUSv4 description:
+ *  "For all other file types defined in this volume of POSIX.1-2008, the
+ *  structure members st_mode, st_ino, st_dev, st_uid, st_gid, st_atim,
+ *  st_ctim, and st_mtim shall have meaningful values ...".
+ * Check that st_dev and st_ino are meaningful.
+ */
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <err.h>
+#include <stdio.h>
+#include <unistd.h>
+
+int
+main(int argc, char **argv)
+{
+	int pipefd[2];
+	struct stat st1, st2;
+
+	if (pipe(pipefd) == -1)
+		err(1, "FAIL: pipe");
+
+	if (fstat(pipefd[0], &st1) == -1)
+		err(1, "FAIL: fstat st1");
+	if (fstat(pipefd[1], &st2) == -1)
+		err(1, "FAIL: fstat st2");
+	if (st1.st_dev != st2.st_dev || st1.st_dev == 0 || st2.st_dev == 0) {
+		errx(1, "FAIL: wrong dev number %d %d",
+		    st1.st_dev, st2.st_dev);
+	}
+	if (st1.st_ino == st2.st_ino)
+		errx(1, "FAIL: inode numbers are equal: %d", st1.st_ino);
+	close(pipefd[0]);
+	close(pipefd[1]);
+	printf("PASS\n");
+
+	return (0);
+}
-- 
2.45.0