1/* $NetBSD: t_sysctl.c,v 1.1 2014/08/09 07:04:03 gson Exp $ */
2
3/*-
4 * Copyright (c) 2014 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
17 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
18 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
19 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
20 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26 * POSSIBILITY OF SUCH DAMAGE.
27 */
28
29#include <sys/cdefs.h>
30__COPYRIGHT("@(#) Copyright (c) 2014\
31 The NetBSD Foundation, inc. All rights reserved.");
32__RCSID("$NetBSD: t_sysctl.c,v 1.1 2014/08/09 07:04:03 gson Exp $");
33
34#include <sys/sysctl.h>
35#include <errno.h>
36#include <memory.h>
37
38#include <atf-c.h>
39
40ATF_TC(bufsize);
41ATF_TC_HEAD(bufsize, tc)
42{
43	atf_tc_set_md_var(tc, "descr",
44	        "Test sysctl integer reads with different buffer sizes");
45}
46ATF_TC_BODY(bufsize, tc)
47{
48	union {
49		int int_val;
50		unsigned char space[256];
51	} buf;
52	size_t len;
53	for (len = 0; len < sizeof(buf); len++) {
54		size_t oldlen = len;
55		int r;
56		memset(&buf, 0xFF, sizeof(buf));
57		r = sysctlbyname("kern.job_control", &buf, &oldlen, 0, (size_t) 0);
58		if (len < sizeof(int)) {
59			ATF_REQUIRE_EQ(r, -1);
60			ATF_REQUIRE_EQ(errno, ENOMEM);
61		} else {
62			ATF_REQUIRE_EQ(r, 0);
63			ATF_REQUIRE_EQ(buf.int_val, 1);
64			ATF_REQUIRE_EQ(oldlen, sizeof(int));
65		}
66	}
67}
68
69ATF_TP_ADD_TCS(tp)
70{
71	ATF_TP_ADD_TC(tp, bufsize);
72
73	return atf_no_error();
74}
75