1272343Sngie/* $NetBSD: t_sysctl.c,v 1.1 2014/08/09 07:04:03 gson Exp $ */
2272343Sngie
3272343Sngie/*-
4272343Sngie * Copyright (c) 2014 The NetBSD Foundation, Inc.
5272343Sngie * All rights reserved.
6272343Sngie *
7272343Sngie * Redistribution and use in source and binary forms, with or without
8272343Sngie * modification, are permitted provided that the following conditions
9272343Sngie * are met:
10272343Sngie * 1. Redistributions of source code must retain the above copyright
11272343Sngie *    notice, this list of conditions and the following disclaimer.
12272343Sngie * 2. Redistributions in binary form must reproduce the above copyright
13272343Sngie *    notice, this list of conditions and the following disclaimer in the
14272343Sngie *    documentation and/or other materials provided with the distribution.
15272343Sngie *
16272343Sngie * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
17272343Sngie * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
18272343Sngie * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
19272343Sngie * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
20272343Sngie * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21272343Sngie * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22272343Sngie * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23272343Sngie * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24272343Sngie * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25272343Sngie * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26272343Sngie * POSSIBILITY OF SUCH DAMAGE.
27272343Sngie */
28272343Sngie
29272343Sngie#include <sys/cdefs.h>
30272343Sngie__COPYRIGHT("@(#) Copyright (c) 2014\
31272343Sngie The NetBSD Foundation, inc. All rights reserved.");
32272343Sngie__RCSID("$NetBSD: t_sysctl.c,v 1.1 2014/08/09 07:04:03 gson Exp $");
33272343Sngie
34272343Sngie#include <sys/sysctl.h>
35272343Sngie#include <errno.h>
36272343Sngie#include <memory.h>
37272343Sngie
38272343Sngie#include <atf-c.h>
39272343Sngie
40272343SngieATF_TC(bufsize);
41272343SngieATF_TC_HEAD(bufsize, tc)
42272343Sngie{
43272343Sngie	atf_tc_set_md_var(tc, "descr",
44272343Sngie	        "Test sysctl integer reads with different buffer sizes");
45272343Sngie}
46272343SngieATF_TC_BODY(bufsize, tc)
47272343Sngie{
48272343Sngie	union {
49272343Sngie		int int_val;
50272343Sngie		unsigned char space[256];
51272343Sngie	} buf;
52272343Sngie	size_t len;
53272343Sngie	for (len = 0; len < sizeof(buf); len++) {
54272343Sngie		size_t oldlen = len;
55272343Sngie		int r;
56272343Sngie		memset(&buf, 0xFF, sizeof(buf));
57272343Sngie		r = sysctlbyname("kern.job_control", &buf, &oldlen, 0, (size_t) 0);
58272343Sngie		if (len < sizeof(int)) {
59272343Sngie			ATF_REQUIRE_EQ(r, -1);
60272343Sngie			ATF_REQUIRE_EQ(errno, ENOMEM);
61272343Sngie		} else {
62272343Sngie			ATF_REQUIRE_EQ(r, 0);
63272343Sngie			ATF_REQUIRE_EQ(buf.int_val, 1);
64272343Sngie			ATF_REQUIRE_EQ(oldlen, sizeof(int));
65272343Sngie		}
66272343Sngie	}
67272343Sngie}
68272343Sngie
69272343SngieATF_TP_ADD_TCS(tp)
70272343Sngie{
71272343Sngie	ATF_TP_ADD_TC(tp, bufsize);
72272343Sngie
73272343Sngie	return atf_no_error();
74272343Sngie}
75