xref: /freebsd/lib/libc/tests/string/memset_s_test.c (revision 1d386b48)
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 #include <assert.h>
28 #include <stdint.h>
29 #include <stdlib.h>
30 #include <string.h>
31 
32 #include <atf-c.h>
33 
34 static errno_t e;
35 static const char * restrict m;
36 
37 void
38 h(const char * restrict msg, void * restrict ptr __unused, errno_t error)
39 {
40 	e = error;
41 	m = msg;
42 }
43 
44 /* null ptr */
45 ATF_TC_WITHOUT_HEAD(null_ptr);
46 ATF_TC_BODY(null_ptr, tc)
47 {
48 	assert(memset_s(0, 1, 1, 1) != 0);
49 }
50 
51 /* smax > rmax */
52 ATF_TC_WITHOUT_HEAD(smax_gt_rmax);
53 ATF_TC_BODY(smax_gt_rmax, tc)
54 {
55 	char b;
56 
57 	assert(memset_s(&b, RSIZE_MAX + 1, 1, 1) != 0);
58 }
59 
60 /* smax < 0 */
61 ATF_TC_WITHOUT_HEAD(smax_lt_zero);
62 ATF_TC_BODY(smax_lt_zero, tc)
63 {
64 	char b;
65 
66 	assert(memset_s(&b, -1, 1, 1) != 0);
67 }
68 
69 /* normal */
70 ATF_TC_WITHOUT_HEAD(normal);
71 ATF_TC_BODY(normal, tc)
72 {
73 	char b;
74 
75 	b = 3;
76 	assert(memset_s(&b, 1, 5, 1) == 0);
77 	assert(b == 5);
78 }
79 
80 /* n > rmax */
81 ATF_TC_WITHOUT_HEAD(n_gt_rmax);
82 ATF_TC_BODY(n_gt_rmax, tc)
83 {
84 	char b;
85 
86 	assert(memset_s(&b, 1, 1, RSIZE_MAX + 1) != 0);
87 }
88 
89 /* n < 0 */
90 ATF_TC_WITHOUT_HEAD(n_lt_zero);
91 ATF_TC_BODY(n_lt_zero, tc)
92 {
93 	char b;
94 
95 	assert(memset_s(&b, 1, 1, -1) != 0);
96 }
97 
98 /* n < smax */
99 ATF_TC_WITHOUT_HEAD(n_lt_smax);
100 ATF_TC_BODY(n_lt_smax, tc)
101 {
102 	char b[3] = {1, 2, 3};
103 
104 	assert(memset_s(&b[0], 3, 9, 1) == 0);
105 	assert(b[0] == 9);
106 	assert(b[1] == 2);
107 	assert(b[2] == 3);
108 }
109 
110 /* n > smax, handler */
111 ATF_TC_WITHOUT_HEAD(n_gt_smax);
112 ATF_TC_BODY(n_gt_smax, tc)
113 {
114 	char b[3] = {1, 2, 3};
115 
116 	e = 0;
117 	m = NULL;
118 	set_constraint_handler_s(h);
119 	assert(memset_s(&b[0], 1, 9, 3) != 0);
120 	assert(e > 0);
121 	assert(strcmp(m, "memset_s : n > smax") == 0);
122 	assert(b[0] == 9);
123 	assert(b[1] == 2);
124 	assert(b[2] == 3);
125 }
126 
127 /* smax > rmax, handler */
128 ATF_TC_WITHOUT_HEAD(smax_gt_rmax_handler);
129 ATF_TC_BODY(smax_gt_rmax_handler, tc)
130 {
131 	char b;
132 
133 	e = 0;
134 	m = NULL;
135 	set_constraint_handler_s(h);
136 	assert(memset_s(&b, RSIZE_MAX + 1, 1, 1) != 0);
137 	assert(e > 0);
138 	assert(strcmp(m, "memset_s : smax > RSIZE_MAX") == 0);
139 }
140 
141 /* smax < 0, handler */
142 ATF_TC_WITHOUT_HEAD(smax_lt_zero_handler);
143 ATF_TC_BODY(smax_lt_zero_handler, tc)
144 {
145 	char b;
146 
147 	e = 0;
148 	m = NULL;
149 	set_constraint_handler_s(h);
150 	assert(memset_s(&b, -1, 1, 1) != 0);
151 	assert(e > 0);
152 	assert(strcmp(m, "memset_s : smax > RSIZE_MAX") == 0);
153 }
154 
155 /* n > rmax, handler */
156 ATF_TC_WITHOUT_HEAD(n_gt_rmax_handler);
157 ATF_TC_BODY(n_gt_rmax_handler, tc)
158 {
159 	char b;
160 
161 	e = 0;
162 	m = NULL;
163 	set_constraint_handler_s(h);
164 	assert(memset_s(&b, 1, 1, RSIZE_MAX + 1) != 0);
165 	assert(e > 0);
166 	assert(strcmp(m, "memset_s : n > RSIZE_MAX") == 0);
167 }
168 
169 /* n < 0, handler */
170 ATF_TC_WITHOUT_HEAD(n_lt_zero_handler);
171 ATF_TC_BODY(n_lt_zero_handler, tc)
172 {
173 	char b;
174 
175 	e = 0;
176 	m = NULL;
177 	set_constraint_handler_s(h);
178 	assert(memset_s(&b, 1, 1, -1) != 0);
179 	assert(e > 0);
180 	assert(strcmp(m, "memset_s : n > RSIZE_MAX") == 0);
181 }
182 
183 ATF_TP_ADD_TCS(tp)
184 {
185 	ATF_TP_ADD_TC(tp, null_ptr);
186 	ATF_TP_ADD_TC(tp, smax_gt_rmax);
187 	ATF_TP_ADD_TC(tp, smax_lt_zero);
188 	ATF_TP_ADD_TC(tp, normal);
189 	ATF_TP_ADD_TC(tp, n_gt_rmax);
190 	ATF_TP_ADD_TC(tp, n_lt_zero);
191 	ATF_TP_ADD_TC(tp, n_gt_smax);
192 	ATF_TP_ADD_TC(tp, n_lt_smax);
193 	ATF_TP_ADD_TC(tp, smax_gt_rmax_handler);
194 	ATF_TP_ADD_TC(tp, smax_lt_zero_handler);
195 	ATF_TP_ADD_TC(tp, n_gt_rmax_handler);
196 	ATF_TP_ADD_TC(tp, n_lt_zero_handler);
197 	return (atf_no_error());
198 }
199