1 /* $NetBSD: t_memcpy.c,v 1.6 2017/01/11 18:05:54 christos Exp $ */
2
3 /*-
4 * Copyright (c) 2010 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
17 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
18 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
19 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
20 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26 * POSSIBILITY OF SUCH DAMAGE.
27 */
28
29 #include <atf-c.h>
30
31 #include <stdio.h>
32 #include <stdlib.h>
33 #include <string.h>
34 #include <assert.h>
35 #include <md5.h>
36
37 #include <sys/types.h>
38
39 #define ALIGNMENTS 16
40 #define LENGTHS 4
41 #define BLOCKTYPES 4
42
43 MD5_CTX mc[1];
44
45 typedef unsigned char testBlock_t[ALIGNMENTS * LENGTHS];
46
47 testBlock_t bss1, bss2;
48
49 unsigned char *start[BLOCKTYPES] = {
50 bss1, bss2
51 };
52
53 char result[100];
54 #ifdef __NetBSD__
55 const char goodResult[] = "7b405d24bc03195474c70ddae9e1f8fb";
56 #else
57 const char goodResult[] = "5ab4443f0e3e058d94087d9f2a11ef5e";
58 #endif
59
60 static void
runTest(unsigned char * b1,unsigned char * b2)61 runTest(unsigned char *b1, unsigned char *b2)
62 {
63 int i, j, k, m;
64 size_t n;
65
66 for (i = 0; i < ALIGNMENTS; ++i) {
67 for (j = 0; j < ALIGNMENTS; ++j) {
68 k = sizeof(testBlock_t) - (i > j ? i : j);
69 for (m = 0; m < k; ++m) {
70 for (n = 0; n < sizeof(testBlock_t); ++n) {
71 b1[n] = (unsigned char)random();
72 b2[n] = (unsigned char)random();
73 }
74 memcpy(b1 + i, b2 + j, m);
75 MD5Update(mc, b1, sizeof(testBlock_t));
76 MD5Update(mc, b2, sizeof(testBlock_t));
77 }
78 }
79 }
80 }
81
82 ATF_TC(memcpy_basic);
ATF_TC_HEAD(memcpy_basic,tc)83 ATF_TC_HEAD(memcpy_basic, tc)
84 {
85 atf_tc_set_md_var(tc, "descr", "Test memcpy results");
86 }
87
ATF_TC_BODY(memcpy_basic,tc)88 ATF_TC_BODY(memcpy_basic, tc)
89 {
90 int i, j;
91 testBlock_t auto1, auto2;
92
93 start[2] = auto1;
94 start[3] = auto2;
95
96 #ifdef __NetBSD__
97 srandom(0L);
98 #else
99 /*
100 * random() shall produce by default a sequence of numbers that can be
101 * duplicated by calling srandom() with 1 as the seed.
102 */
103 srandom(1);
104 #endif
105 MD5Init(mc);
106 for (i = 0; i < BLOCKTYPES; ++i)
107 for (j = 0; j < BLOCKTYPES; ++j)
108 if (i != j)
109 runTest(start[i], start[j]);
110 MD5End(mc, result);
111 ATF_REQUIRE_EQ_MSG(strcmp(result, goodResult), 0, "%s != %s",
112 result, goodResult);
113 }
114
115 ATF_TC(memccpy_simple);
ATF_TC_HEAD(memccpy_simple,tc)116 ATF_TC_HEAD(memccpy_simple, tc)
117 {
118 atf_tc_set_md_var(tc, "descr", "Test memccpy(3) results");
119 }
120
ATF_TC_BODY(memccpy_simple,tc)121 ATF_TC_BODY(memccpy_simple, tc)
122 {
123 char buf[100];
124 char c = ' ';
125
126 (void)memset(buf, c, sizeof(buf));
127
128 ATF_CHECK(memccpy(buf, "foo bar", c, sizeof(buf)) != NULL);
129 ATF_CHECK(buf[4] == c);
130
131 ATF_CHECK(memccpy(buf, "foo bar", '\0', sizeof(buf) - 1) != NULL);
132 ATF_CHECK(buf[8] == c);
133
134 ATF_CHECK(memccpy(buf, "foo bar", 'x', 7) == NULL);
135 ATF_CHECK(strncmp(buf, "foo bar", 7) == 0);
136
137 ATF_CHECK(memccpy(buf, "xxxxxxx", 'r', 7) == NULL);
138 ATF_CHECK(strncmp(buf, "xxxxxxx", 7) == 0);
139 }
140
141 ATF_TC(memcpy_return);
ATF_TC_HEAD(memcpy_return,tc)142 ATF_TC_HEAD(memcpy_return, tc)
143 {
144 atf_tc_set_md_var(tc, "descr", "Test memcpy(3) return value");
145 }
146
ATF_TC_BODY(memcpy_return,tc)147 ATF_TC_BODY(memcpy_return, tc)
148 {
149 char *b = (char *)0x1;
150 char c[2];
151 ATF_REQUIRE_EQ(memcpy(b, b, 0), b);
152 ATF_REQUIRE_EQ(memcpy(c, "ab", sizeof(c)), c);
153 }
154
ATF_TP_ADD_TCS(tp)155 ATF_TP_ADD_TCS(tp)
156 {
157
158 ATF_TP_ADD_TC(tp, memcpy_basic);
159 ATF_TP_ADD_TC(tp, memcpy_return);
160 ATF_TP_ADD_TC(tp, memccpy_simple);
161
162 return atf_no_error();
163 }
164