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6d7e8eda | 1 | /* Copyright (C) 1998-2023 Free Software Foundation, Inc. |
41bdb6e2 | 2 | This file is part of the GNU C Library. |
80a18298 UD |
3 | |
4 | The GNU C Library is free software; you can redistribute it and/or | |
41bdb6e2 AJ |
5 | modify it under the terms of the GNU Lesser General Public |
6 | License as published by the Free Software Foundation; either | |
7 | version 2.1 of the License, or (at your option) any later version. | |
80a18298 UD |
8 | |
9 | The GNU C Library is distributed in the hope that it will be useful, | |
10 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
41bdb6e2 | 12 | Lesser General Public License for more details. |
80a18298 | 13 | |
41bdb6e2 | 14 | You should have received a copy of the GNU Lesser General Public |
59ba27a6 | 15 | License along with the GNU C Library; if not, see |
5a82c748 | 16 | <https://www.gnu.org/licenses/>. */ |
80a18298 UD |
17 | |
18 | #include <dirent.h> | |
19 | #include <errno.h> | |
20 | #include <fcntl.h> | |
21 | #include <stdio.h> | |
22 | #include <stdlib.h> | |
23 | #include <string.h> | |
24 | #include <unistd.h> | |
ceaa9889 | 25 | #include <sys/stat.h> |
80a18298 UD |
26 | |
27 | /* Name of the FIFO. */ | |
28 | char tmpname[] = "fifoXXXXXX"; | |
29 | ||
30 | ||
31 | /* Do the real work. */ | |
32 | static int | |
33 | real_test (void) | |
34 | { | |
35 | DIR *dirp; | |
36 | ||
37 | /* This should not block for an FIFO. */ | |
38 | dirp = opendir (tmpname); | |
39 | ||
40 | /* Successful. */ | |
41 | if (dirp != NULL) | |
42 | { | |
43 | /* Oh, oh, how can this work? */ | |
8b7fb588 | 44 | fputs ("`opendir' succeeded on a FIFO???\n", stdout); |
80a18298 UD |
45 | closedir (dirp); |
46 | return 1; | |
47 | } | |
48 | ||
49 | if (errno != ENOTDIR) | |
50 | { | |
8b7fb588 | 51 | fprintf (stdout, "`opendir' return error `%s' instead of `%s'\n", |
80a18298 UD |
52 | strerror (errno), strerror (ENOTDIR)); |
53 | return 1; | |
54 | } | |
55 | ||
56 | return 0; | |
57 | } | |
58 | ||
59 | ||
60 | static int | |
c23de0aa | 61 | do_test (void) |
80a18298 UD |
62 | { |
63 | int retval; | |
64 | ||
65 | if (mktemp (tmpname) == NULL) | |
66 | { | |
67 | perror ("mktemp"); | |
68 | return 1; | |
69 | } | |
70 | ||
71 | /* Try to generate a FIFO. */ | |
72 | if (mknod (tmpname, 0600 | S_IFIFO, 0) < 0) | |
73 | { | |
74 | perror ("mknod"); | |
75 | /* We cannot make this an error. */ | |
76 | return 0; | |
77 | } | |
78 | ||
79 | retval = real_test (); | |
80 | ||
81 | remove (tmpname); | |
82 | ||
83 | return retval; | |
84 | } | |
85 | ||
86 | ||
de149cdb | 87 | static void |
80a18298 UD |
88 | do_cleanup (void) |
89 | { | |
90 | remove (tmpname); | |
91 | } | |
c23de0aa | 92 | #define CLEANUP_HANDLER do_cleanup |
80a18298 | 93 | |
c23de0aa | 94 | #include <support/test-driver.c> |