1 /* $NetBSD: t_posix_memalign.c,v 1.4 2015/11/07 17:35:31 nros Exp $ */
4 * Copyright (c) 2008 The NetBSD Foundation, Inc.
7 * This code is derived from software contributed to The NetBSD Foundation
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
32 #include <sys/cdefs.h>
33 __COPYRIGHT("@(#) Copyright (c) 2008\
34 The NetBSD Foundation, inc. All rights reserved.");
35 __RCSID("$NetBSD: t_posix_memalign.c,v 1.4 2015/11/07 17:35:31 nros Exp $");
46 ATF_TC(posix_memalign_basic);
47 ATF_TC_HEAD(posix_memalign_basic, tc)
49 atf_tc_set_md_var(tc, "descr", "Checks posix_memalign(3)");
51 ATF_TC_BODY(posix_memalign_basic, tc)
53 static const size_t size[] = {
54 1, 2, 3, 4, 10, 100, 16384, 32768, 65536
56 static const size_t align[] = {
57 512, 1024, 16, 32, 64, 4, 2048, 16, 2
63 for (i = 0; i < __arraycount(size); i++) {
67 (void)printf("Checking posix_memalign(&p, %zu, %zu)...\n",
69 ret = posix_memalign(&p, align[i], size[i]);
71 if ( align[i] < sizeof(void *))
72 ATF_REQUIRE_EQ_MSG(ret, EINVAL,
73 "posix_memalign: %s", strerror(ret));
75 ATF_REQUIRE_EQ_MSG(ret, 0,
76 "posix_memalign: %s", strerror(ret));
77 ATF_REQUIRE_EQ_MSG(((intptr_t)p) & (align[i] - 1), 0,
85 ATF_TC(aligned_alloc_basic);
86 ATF_TC_HEAD(aligned_alloc_basic, tc)
88 atf_tc_set_md_var(tc, "descr", "Checks aligned_alloc(3)");
90 ATF_TC_BODY(aligned_alloc_basic, tc)
92 static const size_t size[] = {
93 1, 2, 3, 4, 10, 100, 16384, 32768, 65536, 10000, 0
95 static const size_t align[] = {
96 512, 1024, 16, 32, 64, 4, 2048, 16, 2, 2048, 0
102 for (i = 0; i < __arraycount(size); i++) {
103 (void)printf("Checking aligned_alloc(%zu, %zu)...\n",
105 p = aligned_alloc(align[i], size[i]);
107 if (align[i] == 0 || ((align[i] - 1) & align[i]) != 0 ||
108 size[i] % align[i] != 0) {
109 ATF_REQUIRE_EQ_MSG(errno, EINVAL,
110 "aligned_alloc: %s", strerror(errno));
113 ATF_REQUIRE_EQ_MSG(errno, ENOMEM,
114 "aligned_alloc: %s", strerror(errno));
118 ATF_REQUIRE_EQ_MSG(align[i] == 0, false,
119 "aligned_alloc: success when alignment was not "
121 ATF_REQUIRE_EQ_MSG((align[i] - 1) & align[i], 0,
122 "aligned_alloc: success when alignment was not "
126 * NetBSD-specific invariant
128 * From aligned_alloc(3) on FreeBSD:
130 * Behavior is undefined if size is not an integral
131 * multiple of alignment.
133 ATF_REQUIRE_EQ_MSG(size[i] % align[i], 0,
134 "aligned_alloc: success when size was not an "
135 "integer multiple of alignment");
137 ATF_REQUIRE_EQ_MSG(((intptr_t)p) & (align[i] - 1), 0,
147 ATF_TP_ADD_TC(tp, posix_memalign_basic);
148 ATF_TP_ADD_TC(tp, aligned_alloc_basic);
150 return atf_no_error();