xref: /freebsd/lib/libc/tests/stdio/fopen_test.c (revision 22cf89c938886d14f5796fc49f9f020c23ea8eaf)
1 /*-
2  * Copyright (c) 2013 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 <fcntl.h>
29 #include <paths.h>
30 #include <stdio.h>
31 #include <string.h>
32 
33 #include <atf-c.h>
34 
35 /*
36  * O_ACCMODE is currently defined incorrectly. This is what it should be.
37  * Various code depends on the incorrect value.
38  */
39 #define CORRECT_O_ACCMODE (O_ACCMODE | O_EXEC)
40 
41 static void
42 runtest(const char *fname, const char *mode)
43 {
44 	FILE *fp;
45 	int exp_fget_ret, fget_ret, fd, flags, wantedflags;
46 
47 	fp = fopen(fname, mode);
48 	ATF_REQUIRE_MSG(fp != NULL,
49 	    "fopen(\"%s\", \"%s\") failed", fname, mode);
50 	fd = fileno(fp);
51 	ATF_REQUIRE_MSG(fd >= 0, "fileno() failed for fopen");
52 	exp_fget_ret = strchr(mode, 'e') != NULL ? FD_CLOEXEC : 0;
53 	ATF_REQUIRE_MSG((fget_ret = fcntl(fd, F_GETFD)) == exp_fget_ret,
54 	    "fcntl(.., F_GETFD) didn't FD_CLOEXEC as expected %d != %d",
55 	    exp_fget_ret, fget_ret);
56 	flags = fcntl(fd, F_GETFL);
57 	if (strchr(mode, '+'))
58 		wantedflags = O_RDWR | (*mode == 'a' ? O_APPEND : 0);
59 	else if (*mode == 'r')
60 		wantedflags = O_RDONLY;
61 	else if (*mode == 'w')
62 		wantedflags = O_WRONLY;
63 	else if (*mode == 'a')
64 		wantedflags = O_WRONLY | O_APPEND;
65 	else
66 		wantedflags = -1;
67 	fclose(fp);
68 	if (wantedflags == -1)
69 		atf_tc_fail("unrecognized mode: %s", mode);
70 	else if ((flags & (CORRECT_O_ACCMODE | O_APPEND)) != wantedflags)
71 		atf_tc_fail("incorrect access mode: %s", mode);
72 }
73 
74 ATF_TC_WITHOUT_HEAD(fopen_r_test);
75 ATF_TC_BODY(fopen_r_test, tc)
76 {
77 
78 	runtest(_PATH_DEVNULL, "r");
79 }
80 
81 ATF_TC_WITHOUT_HEAD(fopen_r_append_test);
82 ATF_TC_BODY(fopen_r_append_test, tc)
83 {
84 
85 	runtest(_PATH_DEVNULL, "r+");
86 }
87 
88 ATF_TC_WITHOUT_HEAD(fopen_w_test);
89 ATF_TC_BODY(fopen_w_test, tc)
90 {
91 
92 	runtest(_PATH_DEVNULL, "w");
93 }
94 
95 ATF_TC_WITHOUT_HEAD(fopen_w_append_test);
96 ATF_TC_BODY(fopen_w_append_test, tc)
97 {
98 
99 	runtest(_PATH_DEVNULL, "w+");
100 }
101 
102 ATF_TC_WITHOUT_HEAD(fopen_a_test);
103 ATF_TC_BODY(fopen_a_test, tc)
104 {
105 
106 	runtest(_PATH_DEVNULL, "a");
107 }
108 
109 ATF_TC_WITHOUT_HEAD(fopen_a_append_test);
110 ATF_TC_BODY(fopen_a_append_test, tc)
111 {
112 
113 	runtest(_PATH_DEVNULL, "a+");
114 }
115 
116 ATF_TC_WITHOUT_HEAD(fopen_re_test);
117 ATF_TC_BODY(fopen_re_test, tc)
118 {
119 
120 	runtest(_PATH_DEVNULL, "re");
121 }
122 
123 ATF_TC_WITHOUT_HEAD(fopen_r_append_e_test);
124 ATF_TC_BODY(fopen_r_append_e_test, tc)
125 {
126 
127 	runtest(_PATH_DEVNULL, "r+e");
128 }
129 
130 ATF_TC_WITHOUT_HEAD(fopen_we_test);
131 ATF_TC_BODY(fopen_we_test, tc)
132 {
133 
134 	runtest(_PATH_DEVNULL, "we");
135 }
136 
137 ATF_TC_WITHOUT_HEAD(fopen_w_append_e_test);
138 ATF_TC_BODY(fopen_w_append_e_test, tc)
139 {
140 
141 	runtest(_PATH_DEVNULL, "w+e");
142 }
143 
144 ATF_TC_WITHOUT_HEAD(fopen_ae_test);
145 ATF_TC_BODY(fopen_ae_test, tc)
146 {
147 
148 	runtest(_PATH_DEVNULL, "ae");
149 }
150 
151 ATF_TC_WITHOUT_HEAD(fopen_a_append_e_test);
152 ATF_TC_BODY(fopen_a_append_e_test, tc)
153 {
154 
155 	runtest(_PATH_DEVNULL, "a+e");
156 }
157 
158 ATF_TC_WITHOUT_HEAD(fopen_re_append_test);
159 ATF_TC_BODY(fopen_re_append_test, tc)
160 {
161 
162 	runtest(_PATH_DEVNULL, "re+");
163 }
164 
165 ATF_TC_WITHOUT_HEAD(fopen_we_append_test);
166 ATF_TC_BODY(fopen_we_append_test, tc)
167 {
168 
169 	runtest(_PATH_DEVNULL, "we+");
170 }
171 
172 ATF_TC_WITHOUT_HEAD(fopen_ae_append_test);
173 ATF_TC_BODY(fopen_ae_append_test, tc)
174 {
175 
176 	runtest(_PATH_DEVNULL, "ae+");
177 }
178 
179 ATF_TP_ADD_TCS(tp)
180 {
181 
182 	ATF_TP_ADD_TC(tp, fopen_r_test);
183 	ATF_TP_ADD_TC(tp, fopen_r_append_test);
184 	ATF_TP_ADD_TC(tp, fopen_w_test);
185 	ATF_TP_ADD_TC(tp, fopen_w_append_test);
186 	ATF_TP_ADD_TC(tp, fopen_a_test);
187 	ATF_TP_ADD_TC(tp, fopen_a_append_test);
188 	ATF_TP_ADD_TC(tp, fopen_re_test);
189 	ATF_TP_ADD_TC(tp, fopen_r_append_e_test);
190 	ATF_TP_ADD_TC(tp, fopen_we_test);
191 	ATF_TP_ADD_TC(tp, fopen_w_append_e_test);
192 	ATF_TP_ADD_TC(tp, fopen_ae_test);
193 	ATF_TP_ADD_TC(tp, fopen_a_append_e_test);
194 	ATF_TP_ADD_TC(tp, fopen_re_append_test);
195 	ATF_TP_ADD_TC(tp, fopen_we_append_test);
196 	ATF_TP_ADD_TC(tp, fopen_ae_append_test);
197 
198 	return (atf_no_error());
199 }
200 
201 /*
202  vim:ts=8:cin:sw=8
203  */
204