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
38 static void
runtest(const char * fname1,const char * mode1,const char * fname2,const char * mode2,bool success)39 runtest(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
62 ATF_TC_WITHOUT_HEAD(null__r__r__test);
ATF_TC_BODY(null__r__r__test,tc)63 ATF_TC_BODY(null__r__r__test, tc)
64 {
65
66 runtest(_PATH_DEVNULL, "r", NULL, "r", true);
67 }
68
69 ATF_TC_WITHOUT_HEAD(null__w__r__test);
ATF_TC_BODY(null__w__r__test,tc)70 ATF_TC_BODY(null__w__r__test, tc)
71 {
72
73 runtest(_PATH_DEVNULL, "w", NULL, "r", false);
74 }
75
76 ATF_TC_WITHOUT_HEAD(null__r_append__r__test);
ATF_TC_BODY(null__r_append__r__test,tc)77 ATF_TC_BODY(null__r_append__r__test, tc)
78 {
79
80 runtest(_PATH_DEVNULL, "r+", NULL, "r", true);
81 }
82
83 ATF_TC_WITHOUT_HEAD(null__r__w__test);
ATF_TC_BODY(null__r__w__test,tc)84 ATF_TC_BODY(null__r__w__test, tc)
85 {
86
87 runtest(_PATH_DEVNULL, "r", NULL, "w", false);
88 }
89
90 ATF_TC_WITHOUT_HEAD(null__w__w__test);
ATF_TC_BODY(null__w__w__test,tc)91 ATF_TC_BODY(null__w__w__test, tc)
92 {
93
94 runtest(_PATH_DEVNULL, "w", NULL, "w", true);
95 }
96
97 ATF_TC_WITHOUT_HEAD(null__r_append__w__test);
ATF_TC_BODY(null__r_append__w__test,tc)98 ATF_TC_BODY(null__r_append__w__test, tc)
99 {
100
101 runtest(_PATH_DEVNULL, "r+", NULL, "w", true);
102 }
103
104 ATF_TC_WITHOUT_HEAD(null__r__a__test);
ATF_TC_BODY(null__r__a__test,tc)105 ATF_TC_BODY(null__r__a__test, tc)
106 {
107
108 runtest(_PATH_DEVNULL, "r", NULL, "a", false);
109 }
110
111 ATF_TC_WITHOUT_HEAD(null__w__a__test);
ATF_TC_BODY(null__w__a__test,tc)112 ATF_TC_BODY(null__w__a__test, tc)
113 {
114
115 runtest(_PATH_DEVNULL, "w", NULL, "a", true);
116 }
117
118 ATF_TC_WITHOUT_HEAD(null__r_append__a__test);
ATF_TC_BODY(null__r_append__a__test,tc)119 ATF_TC_BODY(null__r_append__a__test, tc)
120 {
121
122 runtest(_PATH_DEVNULL, "r+", NULL, "a", true);
123 }
124
125 ATF_TC_WITHOUT_HEAD(null__r__r_append__test);
ATF_TC_BODY(null__r__r_append__test,tc)126 ATF_TC_BODY(null__r__r_append__test, tc)
127 {
128
129 runtest(_PATH_DEVNULL, "r", NULL, "r+", false);
130 }
131
132 ATF_TC_WITHOUT_HEAD(null__w__r_append__test);
ATF_TC_BODY(null__w__r_append__test,tc)133 ATF_TC_BODY(null__w__r_append__test, tc)
134 {
135
136 runtest(_PATH_DEVNULL, "w", NULL, "r+", false);
137 }
138
139 ATF_TC_WITHOUT_HEAD(null__r_append__r_append__test);
ATF_TC_BODY(null__r_append__r_append__test,tc)140 ATF_TC_BODY(null__r_append__r_append__test, tc)
141 {
142
143 runtest(_PATH_DEVNULL, "r+", NULL, "r+", true);
144 }
145
146 ATF_TC_WITHOUT_HEAD(null__r__w_append__test);
ATF_TC_BODY(null__r__w_append__test,tc)147 ATF_TC_BODY(null__r__w_append__test, tc)
148 {
149
150 runtest(_PATH_DEVNULL, "r", NULL, "w+", false);
151 }
152
153 ATF_TC_WITHOUT_HEAD(null__w__w_append__test);
ATF_TC_BODY(null__w__w_append__test,tc)154 ATF_TC_BODY(null__w__w_append__test, tc)
155 {
156
157 runtest(_PATH_DEVNULL, "w", NULL, "w+", false);
158 }
159
160 ATF_TC_WITHOUT_HEAD(null__r_append__w_append__test);
ATF_TC_BODY(null__r_append__w_append__test,tc)161 ATF_TC_BODY(null__r_append__w_append__test, tc)
162 {
163
164 runtest(_PATH_DEVNULL, "r+", NULL, "w+", true);
165 }
166
167 ATF_TC_WITHOUT_HEAD(sh__r__r__test);
ATF_TC_BODY(sh__r__r__test,tc)168 ATF_TC_BODY(sh__r__r__test, tc)
169 {
170
171 runtest("/bin/sh", "r", NULL, "r", true);
172 }
173
174 ATF_TC_WITHOUT_HEAD(sh__sh__r__r__test);
ATF_TC_BODY(sh__sh__r__r__test,tc)175 ATF_TC_BODY(sh__sh__r__r__test, tc)
176 {
177
178 runtest("/bin/sh", "r", "/bin/sh", "r", true);
179 }
180
181 ATF_TC_WITHOUT_HEAD(sh__null__r__r__test);
ATF_TC_BODY(sh__null__r__r__test,tc)182 ATF_TC_BODY(sh__null__r__r__test, tc)
183 {
184
185 runtest("/bin/sh", "r", _PATH_DEVNULL, "r", true);
186 }
187
188 ATF_TC_WITHOUT_HEAD(sh__null__r__w__test);
ATF_TC_BODY(sh__null__r__w__test,tc)189 ATF_TC_BODY(sh__null__r__w__test, tc)
190 {
191
192 runtest("/bin/sh", "r", _PATH_DEVNULL, "w", true);
193 }
194
ATF_TP_ADD_TCS(tp)195 ATF_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