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/param.h> 31 #include <sys/mman.h> 32 #include <assert.h> 33 #include <stdio.h> 34 #include <stdlib.h> 35 #include <string.h> 36 #include <wchar.h> 37 38 #include <atf-c.h> 39 40 static void * 41 makebuf(size_t len, int guard_at_end) 42 { 43 char *buf; 44 size_t alloc_size, page_size; 45 46 page_size = getpagesize(); 47 alloc_size = roundup2(len, page_size) + page_size; 48 49 buf = mmap(NULL, alloc_size, PROT_READ | PROT_WRITE, MAP_ANON, -1, 0); 50 ATF_CHECK(buf); 51 if (guard_at_end) { 52 ATF_CHECK(munmap(buf + alloc_size - page_size, page_size) == 0); 53 return (buf + alloc_size - page_size - len); 54 } else { 55 ATF_CHECK(munmap(buf, page_size) == 0); 56 return (buf + page_size); 57 } 58 } 59 60 static void 61 test_wcsnlen(const wchar_t *s) 62 { 63 wchar_t *s1; 64 size_t size, len, bufsize; 65 int i; 66 67 size = wcslen(s) + 1; 68 for (i = 0; i <= 1; i++) { 69 for (bufsize = 0; bufsize <= size + 10; bufsize++) { 70 s1 = makebuf(bufsize * sizeof(wchar_t), i); 71 wmemcpy(s1, s, bufsize <= size ? bufsize : size); 72 len = (size > bufsize) ? bufsize : size - 1; 73 ATF_CHECK(wcsnlen(s1, bufsize) == len); 74 } 75 } 76 } 77 78 ATF_TC_WITHOUT_HEAD(nul); 79 ATF_TC_BODY(nul, tc) 80 { 81 82 test_wcsnlen(L""); 83 } 84 85 ATF_TC_WITHOUT_HEAD(foo); 86 ATF_TC_BODY(foo, tc) 87 { 88 89 test_wcsnlen(L"foo"); 90 } 91 92 ATF_TC_WITHOUT_HEAD(glorp); 93 ATF_TC_BODY(glorp, tc) 94 { 95 96 test_wcsnlen(L"glorp"); 97 } 98 99 ATF_TP_ADD_TCS(tp) 100 { 101 102 ATF_TP_ADD_TC(tp, nul); 103 ATF_TP_ADD_TC(tp, foo); 104 ATF_TP_ADD_TC(tp, glorp); 105 106 return (atf_no_error()); 107 } 108