Update.
[glibc.git] / dirent / opendir-tst1.c
blob4ecd5ae44647e0f192b96598fc35d1d0b9b18ebf
1 /* Copyright (C) 1998 Free Software Foundation, Inc.
2 Contributed by Ulrich Drepper <drepper@cygnus.com>, 1998.
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Library General Public License as
6 published by the Free Software Foundation; either version 2 of the
7 License, or (at your option) any later version.
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
12 Library General Public License for more details.
14 You should have received a copy of the GNU Library General Public
15 License along with the GNU C Library; see the file COPYING.LIB. If not,
16 write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
17 Boston, MA 02111-1307, USA. */
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>
27 /* Name of the FIFO. */
28 char tmpname[] = "fifoXXXXXX";
31 /* Do the real work. */
32 static int
33 real_test (void)
35 DIR *dirp;
37 /* This should not block for an FIFO. */
38 dirp = opendir (tmpname);
40 /* Successful. */
41 if (dirp != NULL)
43 /* Oh, oh, how can this work? */
44 fputs ("`opendir' succeeded on a FIFO???\n", stdout);
45 closedir (dirp);
46 return 1;
49 if (errno != ENOTDIR)
51 fprintf (stdout, "`opendir' return error `%s' instead of `%s'\n",
52 strerror (errno), strerror (ENOTDIR));
53 return 1;
56 return 0;
60 static int
61 do_test (int argc, char *argv[])
63 int retval;
65 if (mktemp (tmpname) == NULL)
67 perror ("mktemp");
68 return 1;
71 /* Try to generate a FIFO. */
72 if (mknod (tmpname, 0600 | S_IFIFO, 0) < 0)
74 perror ("mknod");
75 /* We cannot make this an error. */
76 return 0;
79 retval = real_test ();
81 remove (tmpname);
83 return retval;
87 void
88 do_cleanup (void)
90 remove (tmpname);
92 #define CLEANUP_HANDLER do_cleanup ()
95 /* Include the test skeleton. */
96 #include <test-skeleton.c>