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