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 40 ATF_TC(bufsize); 41 ATF_TC_HEAD(bufsize, tc) 42 { 43 atf_tc_set_md_var(tc, "descr", 44 "Test sysctl integer reads with different buffer sizes"); 45 } 46 ATF_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 69 ATF_TP_ADD_TCS(tp) 70 { 71 ATF_TP_ADD_TC(tp, bufsize); 72 73 return atf_no_error(); 74 } 75