xref: /illumos-gate/usr/src/test/libc-tests/tests/memset_s.c (revision ed093b41a93e8563e6e1e5dae0768dda2a7bcc27)
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 <assert.h>
27 #include <errno.h>
28 #include <stdint.h>
29 #include <stdlib.h>
30 #include <string.h>
31 
32 static errno_t e;
33 static const char *_RESTRICT_KYWD m;
34 
35 void
36 h(const char *_RESTRICT_KYWD msg, void *_RESTRICT_KYWD ptr, errno_t error)
37 {
38 	e = error;
39 	m = msg;
40 }
41 
42 int
43 main(void)
44 {
45 	char a;
46 	char b[3];
47 
48 	/* null ptr */
49 	(void) set_constraint_handler_s(ignore_handler_s);
50 	assert(memset_s(0, 1, 1, 1) != 0);
51 
52 	/* smax > rmax */
53 	(void) set_constraint_handler_s(ignore_handler_s);
54 	assert(memset_s(&b, RSIZE_MAX + 1, 1, 1) != 0);
55 
56 	/* smax < 0 */
57 	(void) set_constraint_handler_s(ignore_handler_s);
58 	assert(memset_s(&a, -1, 1, 1) != 0);
59 
60 	/* normal */
61 	(void) set_constraint_handler_s(ignore_handler_s);
62 	a = 3;
63 	assert(memset_s(&a, 1, 5, 1) == 0);
64 	assert(a == 5);
65 
66 	/* n > rmax */
67 	(void) set_constraint_handler_s(ignore_handler_s);
68 	assert(memset_s(&a, 1, 1, RSIZE_MAX + 1) != 0);
69 
70 	/* n < 0 */
71 	(void) set_constraint_handler_s(ignore_handler_s);
72 	assert(memset_s(&a, 1, 1, -1) != 0);
73 
74 	/* n < smax */
75 	(void) set_constraint_handler_s(ignore_handler_s);
76 	b[0] = 1; b[1] = 2; b[2] = 3;
77 	assert(memset_s(&b[0], 3, 9, 1) == 0);
78 	assert(b[0] == 9);
79 	assert(b[1] == 2);
80 	assert(b[2] == 3);
81 
82 	/* n > smax, handler */
83 	(void) set_constraint_handler_s(h);
84 	e = 0;
85 	m = NULL;
86 	b[0] = 1; b[1] = 2; b[2] = 3;
87 	assert(memset_s(&b[0], 1, 9, 3) != 0);
88 	assert(e > 0);
89 	assert(strcmp(m, "memset_s: n > smax") == 0);
90 	assert(b[0] == 9);
91 	assert(b[1] == 2);
92 	assert(b[2] == 3);
93 
94 	/* smax > rmax, handler */
95 	(void) set_constraint_handler_s(h);
96 	e = 0;
97 	m = NULL;
98 	assert(memset_s(&a, RSIZE_MAX + 1, 1, 1) != 0);
99 	assert(e > 0);
100 	assert(strcmp(m, "memset_s: smax > RSIZE_MAX") == 0);
101 
102 	/* smax < 0, handler */
103 	(void) set_constraint_handler_s(h);
104 	e = 0;
105 	m = NULL;
106 	assert(memset_s(&a, -1, 1, 1) != 0);
107 	assert(e > 0);
108 	assert(strcmp(m, "memset_s: smax > RSIZE_MAX") == 0);
109 
110 	/* n > rmax, handler */
111 	(void) set_constraint_handler_s(h);
112 	e = 0;
113 	m = NULL;
114 	assert(memset_s(&a, 1, 1, RSIZE_MAX + 1) != 0);
115 	assert(e > 0);
116 	assert(strcmp(m, "memset_s: n > RSIZE_MAX") == 0);
117 
118 	/* n < 0, handler */
119 	(void) set_constraint_handler_s(h);
120 	e = 0;
121 	m = NULL;
122 	assert(memset_s(&a, 1, 1, -1) != 0);
123 	assert(e > 0);
124 	assert(strcmp(m, "memset_s: n > RSIZE_MAX") == 0);
125 
126 	return (0);
127 }
128