2 * Copyright (c) 2009 David Schultz <das@FreeBSD.org>
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
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.
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
27 #include <sys/cdefs.h>
28 __FBSDID("$FreeBSD$");
30 #include <sys/param.h>
40 makebuf(size_t len, int guard_at_end)
43 size_t alloc_size = roundup2(len, PAGE_SIZE) + PAGE_SIZE;
45 buf = mmap(NULL, alloc_size, PROT_READ | PROT_WRITE, MAP_ANON, -1, 0);
48 assert(munmap(buf + alloc_size - PAGE_SIZE, PAGE_SIZE) == 0);
49 return (buf + alloc_size - PAGE_SIZE - len);
51 assert(munmap(buf, PAGE_SIZE) == 0);
52 return (buf + PAGE_SIZE);
57 test_stpncpy(const char *s)
60 size_t size, len, bufsize, x;
64 for (i = 0; i <= 1; i++) {
65 for (j = 0; j <= 1; j++) {
66 for (bufsize = 0; bufsize <= size + 10; bufsize++) {
67 src = makebuf(size, i);
69 dst = makebuf(bufsize, j);
70 memset(dst, 'X', bufsize);
71 len = (bufsize < size) ? bufsize : size - 1;
72 assert(stpncpy(dst, src, bufsize) == dst+len);
73 assert(memcmp(src, dst, len) == 0);
74 for (x = len; x < bufsize; x++)
75 assert(dst[x] == '\0');
81 ATF_TC_WITHOUT_HEAD(nul);
88 ATF_TC_WITHOUT_HEAD(foo);
95 ATF_TC_WITHOUT_HEAD(glorp);
96 ATF_TC_BODY(glorp, tc)
99 test_stpncpy("glorp");
105 ATF_TP_ADD_TC(tp, nul);
106 ATF_TP_ADD_TC(tp, foo);
107 ATF_TP_ADD_TC(tp, glorp);
109 return (atf_no_error());