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04277e02 | 1 | /* Copyright (C) 1998-2019 Free Software Foundation, Inc. |
41bdb6e2 | 2 | This file is part of the GNU C Library. |
80a18298 UD |
3 | Contributed by Ulrich Drepper <drepper@cygnus.com>, 1998. |
4 | ||
5 | The GNU C Library is free software; you can redistribute it and/or | |
41bdb6e2 AJ |
6 | modify it under the terms of the GNU Lesser General Public |
7 | License as published by the Free Software Foundation; either | |
8 | version 2.1 of the License, or (at your option) any later version. | |
80a18298 UD |
9 | |
10 | The GNU C Library is distributed in the hope that it will be useful, | |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
41bdb6e2 | 13 | Lesser General Public License for more details. |
80a18298 | 14 | |
41bdb6e2 | 15 | You should have received a copy of the GNU Lesser General Public |
59ba27a6 PE |
16 | License along with the GNU C Library; if not, see |
17 | <http://www.gnu.org/licenses/>. */ | |
80a18298 UD |
18 | |
19 | #include <dirent.h> | |
20 | #include <errno.h> | |
21 | #include <fcntl.h> | |
22 | #include <stdio.h> | |
23 | #include <stdlib.h> | |
24 | #include <string.h> | |
25 | #include <unistd.h> | |
ceaa9889 | 26 | #include <sys/stat.h> |
80a18298 UD |
27 | |
28 | /* Name of the FIFO. */ | |
29 | char tmpname[] = "fifoXXXXXX"; | |
30 | ||
31 | ||
32 | /* Do the real work. */ | |
33 | static int | |
34 | real_test (void) | |
35 | { | |
36 | DIR *dirp; | |
37 | ||
38 | /* This should not block for an FIFO. */ | |
39 | dirp = opendir (tmpname); | |
40 | ||
41 | /* Successful. */ | |
42 | if (dirp != NULL) | |
43 | { | |
44 | /* Oh, oh, how can this work? */ | |
8b7fb588 | 45 | fputs ("`opendir' succeeded on a FIFO???\n", stdout); |
80a18298 UD |
46 | closedir (dirp); |
47 | return 1; | |
48 | } | |
49 | ||
50 | if (errno != ENOTDIR) | |
51 | { | |
8b7fb588 | 52 | fprintf (stdout, "`opendir' return error `%s' instead of `%s'\n", |
80a18298 UD |
53 | strerror (errno), strerror (ENOTDIR)); |
54 | return 1; | |
55 | } | |
56 | ||
57 | return 0; | |
58 | } | |
59 | ||
60 | ||
61 | static int | |
c23de0aa | 62 | do_test (void) |
80a18298 UD |
63 | { |
64 | int retval; | |
65 | ||
66 | if (mktemp (tmpname) == NULL) | |
67 | { | |
68 | perror ("mktemp"); | |
69 | return 1; | |
70 | } | |
71 | ||
72 | /* Try to generate a FIFO. */ | |
73 | if (mknod (tmpname, 0600 | S_IFIFO, 0) < 0) | |
74 | { | |
75 | perror ("mknod"); | |
76 | /* We cannot make this an error. */ | |
77 | return 0; | |
78 | } | |
79 | ||
80 | retval = real_test (); | |
81 | ||
82 | remove (tmpname); | |
83 | ||
84 | return retval; | |
85 | } | |
86 | ||
87 | ||
de149cdb | 88 | static void |
80a18298 UD |
89 | do_cleanup (void) |
90 | { | |
91 | remove (tmpname); | |
92 | } | |
c23de0aa | 93 | #define CLEANUP_HANDLER do_cleanup |
80a18298 | 94 | |
c23de0aa | 95 | #include <support/test-driver.c> |