1 /* $NetBSD: t_memset.c,v 1.2 2011/07/14 07:33:20 jruoho Exp $ */ 2 3 /*- 4 * Copyright (c) 2011 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Jukka Ruohonen. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 #include <sys/cdefs.h> 32 __RCSID("$NetBSD: t_memset.c,v 1.2 2011/07/14 07:33:20 jruoho Exp $"); 33 34 #include <sys/stat.h> 35 36 #include <atf-c.h> 37 #include <stdlib.h> 38 #include <string.h> 39 #include <unistd.h> 40 41 static long page = 0; 42 static void fill(char *, size_t, char); 43 static bool check(char *, size_t, char); 44 45 ATF_TC(memset_array); 46 ATF_TC_HEAD(memset_array, tc) 47 { 48 atf_tc_set_md_var(tc, "descr", "Test memset(3) with arrays"); 49 } 50 51 ATF_TC_BODY(memset_array, tc) 52 { 53 char buf[1024]; 54 55 (void)memset(buf, 0, sizeof(buf)); 56 57 if (check(buf, sizeof(buf), 0) != true) 58 atf_tc_fail("memset(3) did not fill a static buffer"); 59 60 (void)memset(buf, 'x', sizeof(buf)); 61 62 if (check(buf, sizeof(buf), 'x') != true) 63 atf_tc_fail("memset(3) did not fill a static buffer"); 64 } 65 66 ATF_TC(memset_basic); 67 ATF_TC_HEAD(memset_basic, tc) 68 { 69 atf_tc_set_md_var(tc, "descr", "A basic test of memset(3)"); 70 } 71 72 ATF_TC_BODY(memset_basic, tc) 73 { 74 char *buf, *ret; 75 76 buf = malloc(page); 77 ret = malloc(page); 78 79 ATF_REQUIRE(buf != NULL); 80 ATF_REQUIRE(ret != NULL); 81 82 fill(ret, page, 0); 83 memset(buf, 0, page); 84 85 ATF_REQUIRE(memcmp(ret, buf, page) == 0); 86 87 fill(ret, page, 'x'); 88 memset(buf, 'x', page); 89 90 ATF_REQUIRE(memcmp(ret, buf, page) == 0); 91 92 free(buf); 93 free(ret); 94 } 95 96 ATF_TC(memset_nonzero); 97 ATF_TC_HEAD(memset_nonzero, tc) 98 { 99 atf_tc_set_md_var(tc, "descr", "Test memset(3) with non-zero params"); 100 } 101 102 ATF_TC_BODY(memset_nonzero, tc) 103 { 104 const size_t n = 0x7f; 105 char *buf; 106 size_t i; 107 108 buf = malloc(page); 109 ATF_REQUIRE(buf != NULL); 110 111 for (i = 0x21; i < n; i++) { 112 113 (void)memset(buf, i, page); 114 115 if (check(buf, page, i) != true) 116 atf_tc_fail("memset(3) did not fill properly"); 117 } 118 119 free(buf); 120 } 121 122 ATF_TC(memset_struct); 123 ATF_TC_HEAD(memset_struct, tc) 124 { 125 atf_tc_set_md_var(tc, "descr", "Test memset(3) with a structure"); 126 } 127 128 ATF_TC_BODY(memset_struct, tc) 129 { 130 struct stat st; 131 132 st.st_dev = 0; 133 st.st_ino = 1; 134 st.st_mode = 2; 135 st.st_nlink = 3; 136 st.st_uid = 4; 137 st.st_gid = 5; 138 st.st_rdev = 6; 139 st.st_size = 7; 140 st.st_atime = 8; 141 st.st_mtime = 9; 142 143 (void)memset(&st, 0, sizeof(struct stat)); 144 145 ATF_CHECK(st.st_dev == 0); 146 ATF_CHECK(st.st_ino == 0); 147 ATF_CHECK(st.st_mode == 0); 148 ATF_CHECK(st.st_nlink == 0); 149 ATF_CHECK(st.st_uid == 0); 150 ATF_CHECK(st.st_gid == 0); 151 ATF_CHECK(st.st_rdev == 0); 152 ATF_CHECK(st.st_size == 0); 153 ATF_CHECK(st.st_atime == 0); 154 ATF_CHECK(st.st_mtime == 0); 155 } 156 157 static void 158 fill(char *buf, size_t len, char x) 159 { 160 size_t i; 161 162 for (i = 0; i < len; i++) 163 buf[i] = x; 164 } 165 166 static bool 167 check(char *buf, size_t len, char x) 168 { 169 size_t i; 170 171 for (i = 0; i < len; i++) { 172 173 if (buf[i] != x) 174 return false; 175 } 176 177 return true; 178 } 179 180 ATF_TP_ADD_TCS(tp) 181 { 182 183 page = sysconf(_SC_PAGESIZE); 184 ATF_REQUIRE(page >= 0); 185 186 ATF_TP_ADD_TC(tp, memset_array); 187 ATF_TP_ADD_TC(tp, memset_basic); 188 ATF_TP_ADD_TC(tp, memset_nonzero); 189 ATF_TP_ADD_TC(tp, memset_struct); 190 191 return atf_no_error(); 192 } 193