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t_posix_memalign.c revision 1.4.14.1 
      1 /*	$NetBSD: t_posix_memalign.c,v 1.4.14.1 2018/09/06 06:56:48 pgoyette 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 1.4.14.1 2018/09/06 06:56:48 pgoyette 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);
     47 ATF_TC_HEAD(posix_memalign_basic, tc)
     48 {
     49 	atf_tc_set_md_var(tc, "descr", "Checks posix_memalign(3)");
     50 }
     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);
     86 ATF_TC_HEAD(aligned_alloc_basic, tc)
     87 {
     88 	atf_tc_set_md_var(tc, "descr", "Checks aligned_alloc(3)");
     89 }
     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 			ATF_REQUIRE_EQ_MSG(((intptr_t)p) & (align[i] - 1), 0,
    125 			    "p = %p", p);
    126 			free(p);
    127 		}
    128 	}
    129 }
    130 
    131 
    132 ATF_TP_ADD_TCS(tp)
    133 {
    134 	ATF_TP_ADD_TC(tp, posix_memalign_basic);
    135         ATF_TP_ADD_TC(tp, aligned_alloc_basic);
    136 
    137 	return atf_no_error();
    138 }
    139