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 = roundup2(len, PAGE_SIZE) + PAGE_SIZE; 45 46 buf = mmap(NULL, alloc_size, PROT_READ | PROT_WRITE, MAP_ANON, -1, 0); 47 ATF_CHECK(buf); 48 if (guard_at_end) { 49 ATF_CHECK(munmap(buf + alloc_size - PAGE_SIZE, PAGE_SIZE) == 0); 50 return (buf + alloc_size - PAGE_SIZE - len); 51 } else { 52 ATF_CHECK(munmap(buf, PAGE_SIZE) == 0); 53 return (buf + PAGE_SIZE); 54 } 55 } 56 57 static void 58 test_wcsnlen(const wchar_t *s) 59 { 60 wchar_t *s1; 61 size_t size, len, bufsize; 62 int i; 63 64 size = wcslen(s) + 1; 65 for (i = 0; i <= 1; i++) { 66 for (bufsize = 0; bufsize <= size + 10; bufsize++) { 67 s1 = makebuf(bufsize * sizeof(wchar_t), i); 68 wmemcpy(s1, s, bufsize <= size ? bufsize : size); 69 len = (size > bufsize) ? bufsize : size - 1; 70 ATF_CHECK(wcsnlen(s1, bufsize) == len); 71 } 72 } 73 } 74 75 ATF_TC_WITHOUT_HEAD(nul); 76 ATF_TC_BODY(nul, tc) 77 { 78 79 test_wcsnlen(L""); 80 } 81 82 ATF_TC_WITHOUT_HEAD(foo); 83 ATF_TC_BODY(foo, tc) 84 { 85 86 test_wcsnlen(L"foo"); 87 } 88 89 ATF_TC_WITHOUT_HEAD(glorp); 90 ATF_TC_BODY(glorp, tc) 91 { 92 93 test_wcsnlen(L"glorp"); 94 } 95 96 ATF_TP_ADD_TCS(tp) 97 { 98 99 ATF_TP_ADD_TC(tp, nul); 100 ATF_TP_ADD_TC(tp, foo); 101 ATF_TP_ADD_TC(tp, glorp); 102 103 return (atf_no_error()); 104 } 105