1 /* $NetBSD: t_posix_memalign.c,v 1.4 2015/11/07 17:35:31 nros Exp $ */
2
3 /*-
4 * Copyright (c) 2008 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Christos Zoulas.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
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.
18 *
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.
30 */
31
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 $");
36
37 #include <atf-c.h>
38
39 #include <errno.h>
40 #include <stdbool.h>
41 #include <stdint.h>
42 #include <stdio.h>
43 #include <stdlib.h>
44 #include <string.h>
45
46 ATF_TC(posix_memalign_basic);
ATF_TC_HEAD(posix_memalign_basic,tc)47 ATF_TC_HEAD(posix_memalign_basic, tc)
48 {
49 atf_tc_set_md_var(tc, "descr", "Checks posix_memalign(3)");
50 }
ATF_TC_BODY(posix_memalign_basic,tc)51 ATF_TC_BODY(posix_memalign_basic, tc)
52 {
53 static const size_t size[] = {
54 1, 2, 3, 4, 10, 100, 16384, 32768, 65536
55 };
56 static const size_t align[] = {
57 512, 1024, 16, 32, 64, 4, 2048, 16, 2
58 };
59
60 size_t i;
61 void *p;
62
63 for (i = 0; i < __arraycount(size); i++) {
64 int ret;
65 p = (void*)0x1;
66
67 (void)printf("Checking posix_memalign(&p, %zu, %zu)...\n",
68 align[i], size[i]);
69 ret = posix_memalign(&p, align[i], size[i]);
70
71 if ( align[i] < sizeof(void *))
72 ATF_REQUIRE_EQ_MSG(ret, EINVAL,
73 "posix_memalign: %s", strerror(ret));
74 else {
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,
78 "p = %p", p);
79 free(p);
80 }
81 }
82 }
83
84
85 ATF_TC(aligned_alloc_basic);
ATF_TC_HEAD(aligned_alloc_basic,tc)86 ATF_TC_HEAD(aligned_alloc_basic, tc)
87 {
88 atf_tc_set_md_var(tc, "descr", "Checks aligned_alloc(3)");
89 }
ATF_TC_BODY(aligned_alloc_basic,tc)90 ATF_TC_BODY(aligned_alloc_basic, tc)
91 {
92 static const size_t size[] = {
93 1, 2, 3, 4, 10, 100, 16384, 32768, 65536, 10000, 0
94 };
95 static const size_t align[] = {
96 512, 1024, 16, 32, 64, 4, 2048, 16, 2, 2048, 0
97 };
98
99 size_t i;
100 void *p;
101
102 for (i = 0; i < __arraycount(size); i++) {
103 (void)printf("Checking aligned_alloc(%zu, %zu)...\n",
104 align[i], size[i]);
105 p = aligned_alloc(align[i], size[i]);
106 if (p == NULL) {
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));
111 }
112 else {
113 ATF_REQUIRE_EQ_MSG(errno, ENOMEM,
114 "aligned_alloc: %s", strerror(errno));
115 }
116 }
117 else {
118 ATF_REQUIRE_EQ_MSG(align[i] == 0, false,
119 "aligned_alloc: success when alignment was not "
120 "a power of 2");
121 ATF_REQUIRE_EQ_MSG((align[i] - 1) & align[i], 0,
122 "aligned_alloc: success when alignment was not "
123 "a power of 2");
124 #ifdef __NetBSD__
125 /*
126 * NetBSD-specific invariant
127 *
128 * From aligned_alloc(3) on FreeBSD:
129 *
130 * Behavior is undefined if size is not an integral
131 * multiple of alignment.
132 */
133 ATF_REQUIRE_EQ_MSG(size[i] % align[i], 0,
134 "aligned_alloc: success when size was not an "
135 "integer multiple of alignment");
136 #endif
137 ATF_REQUIRE_EQ_MSG(((intptr_t)p) & (align[i] - 1), 0,
138 "p = %p", p);
139 free(p);
140 }
141 }
142 }
143
144
ATF_TP_ADD_TCS(tp)145 ATF_TP_ADD_TCS(tp)
146 {
147 ATF_TP_ADD_TC(tp, posix_memalign_basic);
148 ATF_TP_ADD_TC(tp, aligned_alloc_basic);
149
150 return atf_no_error();
151 }
152