xref: /freebsd/lib/libc/tests/string/memset_s_test.c (revision 8657387683946d0c03e09fe77029edfe309eeb20)
1 /*-
2  * Copyright (c) 2017 Juniper Networks.  All rights reserved.
3  *
4  * Redistribution and use in source and binary forms, with or without
5  * modification, are permitted provided that the following conditions
6  * are met:
7  * 1. Redistributions of source code must retain the above copyright
8  *    notice, this list of conditions and the following disclaimer.
9  * 2. Redistributions in binary form must reproduce the above copyright
10  *    notice, this list of conditions and the following disclaimer in the
11  *    documentation and/or other materials provided with the distribution.
12  *
13  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
14  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
16  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
17  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
18  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
19  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
20  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
21  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
22  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
23  * SUCH DAMAGE.
24  */
25 
26 #include <sys/cdefs.h>
27 __FBSDID("$FreeBSD$");
28 
29 #include <assert.h>
30 #include <stdint.h>
31 #include <stdlib.h>
32 #include <string.h>
33 
34 #include <atf-c.h>
35 
36 static errno_t e;
37 static const char * restrict m;
38 
39 void
40 h(const char * restrict msg, void * restrict ptr __unused, errno_t error)
41 {
42 	e = error;
43 	m = msg;
44 }
45 
46 /* null ptr */
47 ATF_TC_WITHOUT_HEAD(null_ptr);
48 ATF_TC_BODY(null_ptr, tc)
49 {
50 	assert(memset_s(0, 1, 1, 1) != 0);
51 }
52 
53 /* smax > rmax */
54 ATF_TC_WITHOUT_HEAD(smax_gt_rmax);
55 ATF_TC_BODY(smax_gt_rmax, tc)
56 {
57 	char b;
58 
59 	assert(memset_s(&b, RSIZE_MAX + 1, 1, 1) != 0);
60 }
61 
62 /* smax < 0 */
63 ATF_TC_WITHOUT_HEAD(smax_lt_zero);
64 ATF_TC_BODY(smax_lt_zero, tc)
65 {
66 	char b;
67 
68 	assert(memset_s(&b, -1, 1, 1) != 0);
69 }
70 
71 /* normal */
72 ATF_TC_WITHOUT_HEAD(normal);
73 ATF_TC_BODY(normal, tc)
74 {
75 	char b;
76 
77 	b = 3;
78 	assert(memset_s(&b, 1, 5, 1) == 0);
79 	assert(b == 5);
80 }
81 
82 /* n > rmax */
83 ATF_TC_WITHOUT_HEAD(n_gt_rmax);
84 ATF_TC_BODY(n_gt_rmax, tc)
85 {
86 	char b;
87 
88 	assert(memset_s(&b, 1, 1, RSIZE_MAX + 1) != 0);
89 }
90 
91 /* n < 0 */
92 ATF_TC_WITHOUT_HEAD(n_lt_zero);
93 ATF_TC_BODY(n_lt_zero, tc)
94 {
95 	char b;
96 
97 	assert(memset_s(&b, 1, 1, -1) != 0);
98 }
99 
100 /* n < smax */
101 ATF_TC_WITHOUT_HEAD(n_lt_smax);
102 ATF_TC_BODY(n_lt_smax, tc)
103 {
104 	char b[3] = {1, 2, 3};
105 
106 	assert(memset_s(&b[0], 3, 9, 1) == 0);
107 	assert(b[0] == 9);
108 	assert(b[1] == 2);
109 	assert(b[2] == 3);
110 }
111 
112 /* n > smax, handler */
113 ATF_TC_WITHOUT_HEAD(n_gt_smax);
114 ATF_TC_BODY(n_gt_smax, tc)
115 {
116 	char b[3] = {1, 2, 3};
117 
118 	e = 0;
119 	m = NULL;
120 	set_constraint_handler_s(h);
121 	assert(memset_s(&b[0], 1, 9, 3) != 0);
122 	assert(e > 0);
123 	assert(strcmp(m, "memset_s : n > smax") == 0);
124 	assert(b[0] == 9);
125 	assert(b[1] == 2);
126 	assert(b[2] == 3);
127 }
128 
129 /* smax > rmax, handler */
130 ATF_TC_WITHOUT_HEAD(smax_gt_rmax_handler);
131 ATF_TC_BODY(smax_gt_rmax_handler, tc)
132 {
133 	char b;
134 
135 	e = 0;
136 	m = NULL;
137 	set_constraint_handler_s(h);
138 	assert(memset_s(&b, RSIZE_MAX + 1, 1, 1) != 0);
139 	assert(e > 0);
140 	assert(strcmp(m, "memset_s : smax > RSIZE_MAX") == 0);
141 }
142 
143 /* smax < 0, handler */
144 ATF_TC_WITHOUT_HEAD(smax_lt_zero_handler);
145 ATF_TC_BODY(smax_lt_zero_handler, tc)
146 {
147 	char b;
148 
149 	e = 0;
150 	m = NULL;
151 	set_constraint_handler_s(h);
152 	assert(memset_s(&b, -1, 1, 1) != 0);
153 	assert(e > 0);
154 	assert(strcmp(m, "memset_s : smax > RSIZE_MAX") == 0);
155 }
156 
157 /* n > rmax, handler */
158 ATF_TC_WITHOUT_HEAD(n_gt_rmax_handler);
159 ATF_TC_BODY(n_gt_rmax_handler, tc)
160 {
161 	char b;
162 
163 	e = 0;
164 	m = NULL;
165 	set_constraint_handler_s(h);
166 	assert(memset_s(&b, 1, 1, RSIZE_MAX + 1) != 0);
167 	assert(e > 0);
168 	assert(strcmp(m, "memset_s : n > RSIZE_MAX") == 0);
169 }
170 
171 /* n < 0, handler */
172 ATF_TC_WITHOUT_HEAD(n_lt_zero_handler);
173 ATF_TC_BODY(n_lt_zero_handler, tc)
174 {
175 	char b;
176 
177 	e = 0;
178 	m = NULL;
179 	set_constraint_handler_s(h);
180 	assert(memset_s(&b, 1, 1, -1) != 0);
181 	assert(e > 0);
182 	assert(strcmp(m, "memset_s : n > RSIZE_MAX") == 0);
183 }
184 
185 ATF_TP_ADD_TCS(tp)
186 {
187 	ATF_TP_ADD_TC(tp, null_ptr);
188 	ATF_TP_ADD_TC(tp, smax_gt_rmax);
189 	ATF_TP_ADD_TC(tp, smax_lt_zero);
190 	ATF_TP_ADD_TC(tp, normal);
191 	ATF_TP_ADD_TC(tp, n_gt_rmax);
192 	ATF_TP_ADD_TC(tp, n_lt_zero);
193 	ATF_TP_ADD_TC(tp, n_gt_smax);
194 	ATF_TP_ADD_TC(tp, n_lt_smax);
195 	ATF_TP_ADD_TC(tp, smax_gt_rmax_handler);
196 	ATF_TP_ADD_TC(tp, smax_lt_zero_handler);
197 	ATF_TP_ADD_TC(tp, n_gt_rmax_handler);
198 	ATF_TP_ADD_TC(tp, n_lt_zero_handler);
199 	return (atf_no_error());
200 }
201