2 * Copyright (c) 2009 David Schultz <das@FreeBSD.org>
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
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.
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
27 #include <sys/cdefs.h>
28 __FBSDID("$FreeBSD$");
31 #include <sys/param.h>
39 makebuf(size_t len, int guard_at_end)
42 size_t alloc_size = roundup2(len, PAGE_SIZE) + PAGE_SIZE;
44 buf = mmap(NULL, alloc_size, PROT_READ | PROT_WRITE, MAP_ANON, -1, 0);
47 assert(munmap(buf + alloc_size - PAGE_SIZE, PAGE_SIZE) == 0);
48 return (buf + alloc_size - PAGE_SIZE - len);
50 assert(munmap(buf, PAGE_SIZE) == 0);
51 return (buf + PAGE_SIZE);
56 test_wcsnlen(const wchar_t *s)
59 size_t size, len, bufsize;
63 for (i = 0; i <= 1; i++) {
64 for (bufsize = 0; bufsize <= size + 10; bufsize++) {
65 s1 = makebuf(bufsize * sizeof(wchar_t), i);
66 wmemcpy(s1, s, bufsize);
67 len = (size > bufsize) ? bufsize : size - 1;
68 assert(wcsnlen(s1, bufsize) == len);
74 main(int argc, char *argv[])
80 printf("ok 1 - wcsnlen\n");
82 printf("ok 2 - wcsnlen\n");
83 test_wcsnlen(L"glorp");
84 printf("ok 3 - wcsnlen\n");