t_scanf.c revision 276478 
1/* $NetBSD: t_scanf.c,v 1.3 2012/03/18 07:00:51 jruoho Exp $ */
2
3/*-
4 * Copyright (c) 2010 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
17 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
18 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
19 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
20 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26 * POSSIBILITY OF SUCH DAMAGE.
27 */
28
29#include <atf-c.h>
30#include <math.h>
31#include <stdio.h>
32#include <string.h>
33
34#define NUM     -0x1234
35#define STRNUM  ___STRING(NUM)
36
37ATF_TC(sscanf_neghex);
38ATF_TC_HEAD(sscanf_neghex, tc)
39{
40	atf_tc_set_md_var(tc, "descr",
41	    "PR lib/21691: %%i and %%x fail with negative hex numbers");
42}
43
44ATF_TC_BODY(sscanf_neghex, tc)
45{
46        int i;
47
48        sscanf(STRNUM, "%i", &i);
49	ATF_REQUIRE(i == NUM);
50
51        sscanf(STRNUM, "%x", &i);
52	ATF_REQUIRE(i == NUM);
53}
54
55ATF_TC(sscanf_whitespace);
56ATF_TC_HEAD(sscanf_whitespace, tc)
57{
58
59	atf_tc_set_md_var(tc, "descr", "verify sscanf skips all whitespace");
60}
61
62ATF_TC_BODY(sscanf_whitespace, tc)
63{
64	const char str[] = "\f\n\r\t\v%z";
65	char c;
66
67#ifndef __NetBSD__
68	atf_tc_expect_fail("fails on FreeBSD and some variants of Linux");
69#endif
70
71        /* set of "white space" symbols from isspace(3) */
72        c = 0;
73        (void)sscanf(str, "%%%c", &c);
74	ATF_REQUIRE(c == 'z');
75}
76
77
78ATF_TP_ADD_TCS(tp)
79{
80
81	ATF_TP_ADD_TC(tp, sscanf_neghex);
82	ATF_TP_ADD_TC(tp, sscanf_whitespace);
83
84	return atf_no_error();
85}
86