1/*-
2 * Copyright (c) 2014 Jilles Tjoelker
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 <errno.h>
31#include <paths.h>
32#include <stdbool.h>
33#include <stdio.h>
34#include <string.h>
35
36#include <atf-c.h>
37
38static void
39runtest(const char *fname1, const char *mode1, const char *fname2,
40    const char *mode2, bool success)
41{
42	FILE *fp1, *fp2;
43	const char *fname2_print;
44
45	fname2_print = fname2 != NULL ? fname2 : "<NULL>";
46	fp1 = fopen(fname1, mode1);
47	ATF_REQUIRE_MSG(fp1 != NULL,
48	    "fopen(\"%s\", \"%s\") failed; errno=%d", fname1, mode1, errno);
49	fp2 = freopen(fname2, mode2, fp1);
50	if (fp2 == NULL) {
51		ATF_REQUIRE_MSG(success == false,
52		    "freopen(\"%s\", \"%s\", fopen(\"%s\", \"%s\")) succeeded "
53		    "unexpectedly", fname2_print, mode2, fname1, mode1);
54		return;
55	}
56	ATF_REQUIRE_MSG(success == true,
57	    "freopen(\"%s\", \"%s\", fopen(\"%s\", \"%s\")) failed: %d",
58	    fname2_print, mode2, fname1, mode1, errno);
59	fclose(fp2);
60}
61
62ATF_TC_WITHOUT_HEAD(null__r__r__test);
63ATF_TC_BODY(null__r__r__test, tc)
64{
65
66	runtest(_PATH_DEVNULL, "r", NULL, "r", true);
67}
68
69ATF_TC_WITHOUT_HEAD(null__w__r__test);
70ATF_TC_BODY(null__w__r__test, tc)
71{
72
73	runtest(_PATH_DEVNULL, "w", NULL, "r", false);
74}
75
76ATF_TC_WITHOUT_HEAD(null__r_append__r__test);
77ATF_TC_BODY(null__r_append__r__test, tc)
78{
79
80	runtest(_PATH_DEVNULL, "r+", NULL, "r", true);
81}
82
83ATF_TC_WITHOUT_HEAD(null__r__w__test);
84ATF_TC_BODY(null__r__w__test, tc)
85{
86
87	runtest(_PATH_DEVNULL, "r", NULL, "w", false);
88}
89
90ATF_TC_WITHOUT_HEAD(null__w__w__test);
91ATF_TC_BODY(null__w__w__test, tc)
92{
93
94	runtest(_PATH_DEVNULL, "w", NULL, "w", true);
95}
96
97ATF_TC_WITHOUT_HEAD(null__r_append__w__test);
98ATF_TC_BODY(null__r_append__w__test, tc)
99{
100
101	runtest(_PATH_DEVNULL, "r+", NULL, "w", true);
102}
103
104ATF_TC_WITHOUT_HEAD(null__r__a__test);
105ATF_TC_BODY(null__r__a__test, tc)
106{
107
108	runtest(_PATH_DEVNULL, "r", NULL, "a", false);
109}
110
111ATF_TC_WITHOUT_HEAD(null__w__a__test);
112ATF_TC_BODY(null__w__a__test, tc)
113{
114
115	runtest(_PATH_DEVNULL, "w", NULL, "a", true);
116}
117
118ATF_TC_WITHOUT_HEAD(null__r_append__a__test);
119ATF_TC_BODY(null__r_append__a__test, tc)
120{
121
122	runtest(_PATH_DEVNULL, "r+", NULL, "a", true);
123}
124
125ATF_TC_WITHOUT_HEAD(null__r__r_append__test);
126ATF_TC_BODY(null__r__r_append__test, tc)
127{
128
129	runtest(_PATH_DEVNULL, "r", NULL, "r+", false);
130}
131
132ATF_TC_WITHOUT_HEAD(null__w__r_append__test);
133ATF_TC_BODY(null__w__r_append__test, tc)
134{
135
136	runtest(_PATH_DEVNULL, "w", NULL, "r+", false);
137}
138
139ATF_TC_WITHOUT_HEAD(null__r_append__r_append__test);
140ATF_TC_BODY(null__r_append__r_append__test, tc)
141{
142
143	runtest(_PATH_DEVNULL, "r+", NULL, "r+", true);
144}
145
146ATF_TC_WITHOUT_HEAD(null__r__w_append__test);
147ATF_TC_BODY(null__r__w_append__test, tc)
148{
149
150	runtest(_PATH_DEVNULL, "r", NULL, "w+", false);
151}
152
153ATF_TC_WITHOUT_HEAD(null__w__w_append__test);
154ATF_TC_BODY(null__w__w_append__test, tc)
155{
156
157	runtest(_PATH_DEVNULL, "w", NULL, "w+", false);
158}
159
160ATF_TC_WITHOUT_HEAD(null__r_append__w_append__test);
161ATF_TC_BODY(null__r_append__w_append__test, tc)
162{
163
164	runtest(_PATH_DEVNULL, "r+", NULL, "w+", true);
165}
166
167ATF_TC_WITHOUT_HEAD(sh__r__r__test);
168ATF_TC_BODY(sh__r__r__test, tc)
169{
170
171	runtest("/bin/sh", "r", NULL, "r", true);
172}
173
174ATF_TC_WITHOUT_HEAD(sh__sh__r__r__test);
175ATF_TC_BODY(sh__sh__r__r__test, tc)
176{
177
178	runtest("/bin/sh", "r", "/bin/sh", "r", true);
179}
180
181ATF_TC_WITHOUT_HEAD(sh__null__r__r__test);
182ATF_TC_BODY(sh__null__r__r__test, tc)
183{
184
185	runtest("/bin/sh", "r", _PATH_DEVNULL, "r", true);
186}
187
188ATF_TC_WITHOUT_HEAD(sh__null__r__w__test);
189ATF_TC_BODY(sh__null__r__w__test, tc)
190{
191
192	runtest("/bin/sh", "r", _PATH_DEVNULL, "w", true);
193}
194
195ATF_TP_ADD_TCS(tp)
196{
197
198	ATF_TP_ADD_TC(tp, null__r__r__test);
199	ATF_TP_ADD_TC(tp, null__w__r__test);
200	ATF_TP_ADD_TC(tp, null__r_append__r__test);
201	ATF_TP_ADD_TC(tp, null__r__w__test);
202	ATF_TP_ADD_TC(tp, null__w__w__test);
203	ATF_TP_ADD_TC(tp, null__r_append__w__test);
204	ATF_TP_ADD_TC(tp, null__r__a__test);
205	ATF_TP_ADD_TC(tp, null__w__a__test);
206	ATF_TP_ADD_TC(tp, null__r_append__a__test);
207	ATF_TP_ADD_TC(tp, null__r__r_append__test);
208	ATF_TP_ADD_TC(tp, null__w__r_append__test);
209	ATF_TP_ADD_TC(tp, null__r_append__r_append__test);
210	ATF_TP_ADD_TC(tp, null__r__w_append__test);
211	ATF_TP_ADD_TC(tp, null__w__w_append__test);
212	ATF_TP_ADD_TC(tp, null__r_append__w_append__test);
213	ATF_TP_ADD_TC(tp, sh__r__r__test);
214	ATF_TP_ADD_TC(tp, sh__sh__r__r__test);
215	ATF_TP_ADD_TC(tp, sh__null__r__r__test);
216	ATF_TP_ADD_TC(tp, sh__null__r__w__test);
217
218	return (atf_no_error());
219}
220
221/*
222 vim:ts=8:cin:sw=8
223 */
224