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/cdefs.h>
28 #include <sys/param.h>
29 #include <sys/mman.h>
30 #include <assert.h>
31 #include <stdio.h>
32 #include <stdlib.h>
33 #include <string.h>
34 #include <wchar.h>
35
36 #include <atf-c.h>
37
38 static void *
makebuf(size_t len,int guard_at_end)39 makebuf(size_t len, int guard_at_end)
40 {
41 char *buf;
42 size_t alloc_size, page_size;
43
44 page_size = getpagesize();
45 alloc_size = roundup2(len, page_size) + page_size;
46
47 buf = mmap(NULL, alloc_size, PROT_READ | PROT_WRITE, MAP_ANON, -1, 0);
48 ATF_CHECK(buf);
49 if (guard_at_end) {
50 ATF_CHECK(munmap(buf + alloc_size - page_size, page_size) == 0);
51 return (buf + alloc_size - page_size - len);
52 } else {
53 ATF_CHECK(munmap(buf, page_size) == 0);
54 return (buf + page_size);
55 }
56 }
57
58 static void
test_wcsnlen(const wchar_t * s)59 test_wcsnlen(const wchar_t *s)
60 {
61 wchar_t *s1;
62 size_t size, len, bufsize;
63 int i;
64
65 size = wcslen(s) + 1;
66 for (i = 0; i <= 1; i++) {
67 for (bufsize = 0; bufsize <= size + 10; bufsize++) {
68 s1 = makebuf(bufsize * sizeof(wchar_t), i);
69 wmemcpy(s1, s, bufsize <= size ? bufsize : size);
70 len = (size > bufsize) ? bufsize : size - 1;
71 ATF_CHECK(wcsnlen(s1, bufsize) == len);
72 }
73 }
74 }
75
76 ATF_TC_WITHOUT_HEAD(nul);
ATF_TC_BODY(nul,tc)77 ATF_TC_BODY(nul, tc)
78 {
79
80 test_wcsnlen(L"");
81 }
82
83 ATF_TC_WITHOUT_HEAD(foo);
ATF_TC_BODY(foo,tc)84 ATF_TC_BODY(foo, tc)
85 {
86
87 test_wcsnlen(L"foo");
88 }
89
90 ATF_TC_WITHOUT_HEAD(glorp);
ATF_TC_BODY(glorp,tc)91 ATF_TC_BODY(glorp, tc)
92 {
93
94 test_wcsnlen(L"glorp");
95 }
96
ATF_TP_ADD_TCS(tp)97 ATF_TP_ADD_TCS(tp)
98 {
99
100 ATF_TP_ADD_TC(tp, nul);
101 ATF_TP_ADD_TC(tp, foo);
102 ATF_TP_ADD_TC(tp, glorp);
103
104 return (atf_no_error());
105 }
106