| lh | 9ed821d | 2023-04-07 01:36:19 -0700 | [diff] [blame] | 1 | /* Copyright (C) 1998, 2000 Free Software Foundation, Inc. |
| 2 | This file is part of the GNU C Library. |
| 3 | Contributed by Ulrich Drepper <drepper@cygnus.com>, 1998. |
| 4 | |
| 5 | The GNU C Library is free software; you can redistribute it and/or |
| 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. |
| 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 |
| 13 | Lesser General Public License for more details. |
| 14 | |
| 15 | You should have received a copy of the GNU Lesser General Public |
| 16 | License along with the GNU C Library; if not, write to the Free |
| 17 | Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA |
| 18 | 02111-1307 USA. */ |
| 19 | |
| 20 | #include <dirent.h> |
| 21 | #include <errno.h> |
| 22 | #include <fcntl.h> |
| 23 | #include <stdio.h> |
| 24 | #include <stdlib.h> |
| 25 | #include <string.h> |
| 26 | #include <unistd.h> |
| 27 | #include <sys/stat.h> |
| 28 | |
| 29 | /* Name of the FIFO. */ |
| 30 | char tmpname[] = "fifoXXXXXX"; |
| 31 | |
| 32 | |
| 33 | /* Do the real work. */ |
| 34 | static int |
| 35 | real_test (void) |
| 36 | { |
| 37 | DIR *dirp; |
| 38 | |
| 39 | /* This should not block for an FIFO. */ |
| 40 | dirp = opendir (tmpname); |
| 41 | |
| 42 | /* Successful. */ |
| 43 | if (dirp != NULL) |
| 44 | { |
| 45 | /* Oh, oh, how can this work? */ |
| 46 | fputs ("`opendir' succeeded on a FIFO???\n", stdout); |
| 47 | closedir (dirp); |
| 48 | return 1; |
| 49 | } |
| 50 | |
| 51 | if (errno != ENOTDIR) |
| 52 | { |
| 53 | fprintf (stdout, "`opendir' return error `%s' instead of `%s'\n", |
| 54 | strerror (errno), strerror (ENOTDIR)); |
| 55 | return 1; |
| 56 | } |
| 57 | |
| 58 | return 0; |
| 59 | } |
| 60 | |
| 61 | |
| 62 | static int |
| 63 | do_test (int argc, char *argv[]) |
| 64 | { |
| 65 | int retval; |
| 66 | |
| 67 | retval = mkstemp(tmpname); |
| 68 | close(retval); |
| 69 | unlink(tmpname); |
| 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 | |
| 87 | static void |
| 88 | do_cleanup (void) |
| 89 | { |
| 90 | remove (tmpname); |
| 91 | } |
| 92 | #define CLEANUP_HANDLER do_cleanup () |
| 93 | |
| 94 | |
| 95 | /* Include the test skeleton. */ |
| 96 | #include "../test-skeleton.c" |