1 /*-
2 * Copyright (c) 2009 David Schultz <das@FreeBSD.org>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 */
26
27 #include <sys/param.h>
28 #include <sys/mman.h>
29 #include <assert.h>
30 #include <stdio.h>
31 #include <stdlib.h>
32 #include <string.h>
33 #include <wchar.h>
34
35 #include <atf-c.h>
36
37 static void *
makebuf(size_t len,int guard_at_end)38 makebuf(size_t len, int guard_at_end)
39 {
40 char *buf;
41 size_t alloc_size, page_size;
42
43 page_size = getpagesize();
44 alloc_size = roundup2(len, page_size) + page_size;
45
46 buf = mmap(NULL, alloc_size, PROT_READ | PROT_WRITE, MAP_ANON, -1, 0);
47 ATF_CHECK(buf);
48 if (guard_at_end) {
49 ATF_CHECK(munmap(buf + alloc_size - page_size, page_size) == 0);
50 return (buf + alloc_size - page_size - len);
51 } else {
52 ATF_CHECK(munmap(buf, page_size) == 0);
53 return (buf + page_size);
54 }
55 }
56
57 static void
test_wcsnlen(const wchar_t * s)58 test_wcsnlen(const wchar_t *s)
59 {
60 wchar_t *s1;
61 size_t size, len, bufsize;
62 int i;
63
64 size = wcslen(s) + 1;
65 for (i = 0; i <= 1; i++) {
66 for (bufsize = 0; bufsize <= size + 10; bufsize++) {
67 s1 = makebuf(bufsize * sizeof(wchar_t), i);
68 wmemcpy(s1, s, bufsize <= size ? bufsize : size);
69 len = (size > bufsize) ? bufsize : size - 1;
70 ATF_CHECK(wcsnlen(s1, bufsize) == len);
71 }
72 }
73 }
74
75 ATF_TC_WITHOUT_HEAD(nul);
ATF_TC_BODY(nul,tc)76 ATF_TC_BODY(nul, tc)
77 {
78
79 test_wcsnlen(L"");
80 }
81
82 ATF_TC_WITHOUT_HEAD(foo);
ATF_TC_BODY(foo,tc)83 ATF_TC_BODY(foo, tc)
84 {
85
86 test_wcsnlen(L"foo");
87 }
88
89 ATF_TC_WITHOUT_HEAD(glorp);
ATF_TC_BODY(glorp,tc)90 ATF_TC_BODY(glorp, tc)
91 {
92
93 test_wcsnlen(L"glorp");
94 }
95
ATF_TP_ADD_TCS(tp)96 ATF_TP_ADD_TCS(tp)
97 {
98
99 ATF_TP_ADD_TC(tp, nul);
100 ATF_TP_ADD_TC(tp, foo);
101 ATF_TP_ADD_TC(tp, glorp);
102
103 return (atf_no_error());
104 }
105