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__FBSDID("$FreeBSD$"); 29 30#include <sys/mman.h> 31#include <sys/param.h> 32#include <assert.h> 33#include <stdio.h> 34#include <stdlib.h> 35#include <string.h> 36#include <wchar.h> 37 38static void * 39makebuf(size_t len, int guard_at_end) 40{ 41 char *buf; 42 size_t alloc_size = roundup2(len, PAGE_SIZE) + PAGE_SIZE; 43 44 buf = mmap(NULL, alloc_size, PROT_READ | PROT_WRITE, MAP_ANON, -1, 0); 45 assert(buf); 46 if (guard_at_end) { 47 assert(munmap(buf + alloc_size - PAGE_SIZE, PAGE_SIZE) == 0); 48 return (buf + alloc_size - PAGE_SIZE - len); 49 } else { 50 assert(munmap(buf, PAGE_SIZE) == 0); 51 return (buf + PAGE_SIZE); 52 } 53} 54 55static void 56test_wcsnlen(const wchar_t *s) 57{ 58 wchar_t *s1; 59 size_t size, len, bufsize; 60 int i; 61 62 size = wcslen(s) + 1; 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); 69 } 70 } 71} 72 73int 74main(int argc, char *argv[]) 75{ 76 77 printf("1..3\n"); 78 79 test_wcsnlen(L""); 80 printf("ok 1 - wcsnlen\n"); 81 test_wcsnlen(L"foo"); 82 printf("ok 2 - wcsnlen\n"); 83 test_wcsnlen(L"glorp"); 84 printf("ok 3 - wcsnlen\n"); 85 86 exit(0); 87} 88