xref: /freebsd/contrib/netbsd-tests/lib/libc/stdlib/t_posix_memalign.c (revision 0b3105a37d7adcadcb720112fed4dc4e8040be99)
1 /*	$NetBSD: t_posix_memalign.c,v 1.2 2011/07/07 11:12:18 jruoho 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 1.2 2011/07/07 11:12:18 jruoho Exp $");
36 
37 #include <atf-c.h>
38 
39 #include <errno.h>
40 #include <stdint.h>
41 #include <stdio.h>
42 #include <stdlib.h>
43 #include <string.h>
44 
45 ATF_TC(posix_memalign_basic);
46 ATF_TC_HEAD(posix_memalign_basic, tc)
47 {
48 	atf_tc_set_md_var(tc, "descr", "Checks posix_memalign(3)");
49 }
50 ATF_TC_BODY(posix_memalign_basic, tc)
51 {
52 	size_t size[] = {
53 		1, 2, 3, 4, 10, 100, 16384, 32768, 65536
54 	};
55 	size_t align[] = {
56 		512, 1024, 16, 32, 64, 4, 2048, 16, 2
57 	};
58 
59 	size_t i;
60 	void *p;
61 
62 	for (i = 0; i < __arraycount(size); i++) {
63 		int ret;
64 		p = (void*)0x1;
65 
66 		(void)printf("Checking posix_memalign(&p, %zd, %zd)...\n",
67 			align[i], size[i]);
68 		ret = posix_memalign(&p, align[i], size[i]);
69 
70 		if ( align[i] < sizeof(void *))
71 			ATF_REQUIRE_EQ_MSG(ret, EINVAL,
72 			    "posix_memalign: %s", strerror(ret));
73 		else {
74 			ATF_REQUIRE_EQ_MSG(ret, 0,
75 			    "posix_memalign: %s", strerror(ret));
76 			ATF_REQUIRE_EQ_MSG(((intptr_t)p) & (align[i] - 1), 0,
77 			    "p = %p", p);
78 			free(p);
79 		}
80 	}
81 }
82 
83 ATF_TP_ADD_TCS(tp)
84 {
85 	ATF_TP_ADD_TC(tp, posix_memalign_basic);
86 
87 	return atf_no_error();
88 }
89