1 /*
2 * This file and its contents are supplied under the terms of the
3 * Common Development and Distribution License ("CDDL"), version 1.0.
4 * You may only use this file in accordance with the terms of version
5 * 1.0 of the CDDL.
6 *
7 * A full copy of the text of the CDDL should have accompanied this
8 * source. A copy of the CDDL is also available via the Internet at
9 * http://www.illumos.org/license/CDDL.
10 */
11
12 /*
13 * Copyright 2016 Joyent, Inc.
14 */
15
16 /*
17 * open(2) should return EISDIR when asking for write access on a dir.
18 * This test should return the same results in both GZ and NGZ contexts.
19 */
20 #include <stdio.h>
21 #include <strings.h>
22 #include <errno.h>
23 #include <fcntl.h>
24 #include <sys/types.h>
25 #include <sys/stat.h>
26 #include <sys/debug.h>
27 #include <sys/statvfs.h>
28
29 #define SD_TEST_DIR "/dev/zvol"
30
31 int
main(int argc,char * argv[])32 main(int argc, char *argv[])
33 {
34 struct stat st;
35 struct statvfs vfs;
36 int ret;
37
38 if (stat(SD_TEST_DIR, &st) != 0) {
39 fprintf(stderr, "test failed: failed to stat %s\n",
40 SD_TEST_DIR);
41 return (1);
42 }
43
44 if ((st.st_mode & S_IFMT) != S_IFDIR) {
45 fprintf(stderr, "test failed: %s is not a dir\n", SD_TEST_DIR);
46 return (1);
47 }
48
49 if (statvfs(SD_TEST_DIR, &vfs) != 0) {
50 fprintf(stderr, "test failed: failed to stat vfs for %s: %s\n",
51 SD_TEST_DIR, strerror(errno));
52 return (1);
53 }
54
55 if (strncmp("dev", vfs.f_basetype, FSTYPSZ) != 0) {
56 fprintf(stderr, "test failed: asked to run on non-dev\n");
57 return (1);
58 }
59
60 ret = open(SD_TEST_DIR, O_RDWR, 0);
61 VERIFY3S(ret, ==, -1);
62 VERIFY3S(errno, ==, EISDIR);
63
64 /*
65 * It's important to test both O_RDWR and O_RDWR | O_CREAT
66 * because of the different code paths taken in sdev.
67 */
68 ret = open(SD_TEST_DIR, O_RDWR | O_CREAT, 0);
69 VERIFY3S(ret, ==, -1);
70 VERIFY3S(errno, ==, EISDIR);
71
72 return (0);
73 }
74