tests/lib/libc/stdlib/t_posix_memalign.c

   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 }