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 * 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 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); 77 ATF_TC_BODY(nul, tc) 78 { 79 80 test_wcsnlen(L""); 81 } 82 83 ATF_TC_WITHOUT_HEAD(foo); 84 ATF_TC_BODY(foo, tc) 85 { 86 87 test_wcsnlen(L"foo"); 88 } 89 90 ATF_TC_WITHOUT_HEAD(glorp); 91 ATF_TC_BODY(glorp, tc) 92 { 93 94 test_wcsnlen(L"glorp"); 95 } 96 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