| /* Test that values of pathconf and fpathconf are consistent for a file. |
| Copyright (C) 2013-2014 Free Software Foundation, Inc. |
| This file is part of the GNU C Library. |
| |
| The GNU C Library is free software; you can redistribute it and/or |
| modify it under the terms of the GNU Lesser General Public |
| License as published by the Free Software Foundation; either |
| version 2.1 of the License, or (at your option) any later version. |
| |
| The GNU C Library is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| Lesser General Public License for more details. |
| |
| You should have received a copy of the GNU Lesser General Public |
| License along with the GNU C Library; if not, see |
| <http://www.gnu.org/licenses/>. */ |
| |
| #include <fcntl.h> |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <string.h> |
| #include <unistd.h> |
| |
| |
| static void prepare (void); |
| #define PREPARE(argc, argv) prepare () |
| |
| static int do_test (void); |
| #define TEST_FUNCTION do_test () |
| |
| #include "../test-skeleton.c" |
| |
| static int dir_fd; |
| static char *dirbuf; |
| |
| static void |
| prepare (void) |
| { |
| size_t test_dir_len = strlen (test_dir); |
| static const char dir_name[] = "/tst-pathconf.XXXXXX"; |
| |
| size_t dirbuflen = test_dir_len + sizeof (dir_name); |
| dirbuf = malloc (dirbuflen); |
| if (dirbuf == NULL) |
| { |
| puts ("Out of memory"); |
| exit (1); |
| } |
| |
| snprintf (dirbuf, dirbuflen, "%s%s", test_dir, dir_name); |
| if (mkdtemp (dirbuf) == NULL) |
| { |
| printf ("Cannot create temporary directory: %s\n", strerror (errno)); |
| exit (1); |
| } |
| |
| add_temp_file (dirbuf); |
| |
| dir_fd = open (dirbuf, O_RDONLY); |
| if (dir_fd == -1) |
| { |
| printf ("Cannot open directory: %s\n", strerror (errno)); |
| exit (1); |
| } |
| } |
| |
| |
| static int |
| do_test (void) |
| { |
| int ret = 0; |
| static const char *fifo_name = "some-fifo"; |
| |
| size_t filenamelen = strlen (dirbuf) + strlen (fifo_name) + 2; |
| char *filename = malloc (filenamelen); |
| |
| snprintf (filename, filenamelen, "%s/%s", dirbuf, fifo_name); |
| |
| /* Create a fifo in the directory. */ |
| int e = mkfifo (filename, 0777); |
| if (e == -1) |
| { |
| printf ("fifo creation failed (%s)\n", strerror (errno)); |
| ret = 1; |
| goto out_nofifo; |
| } |
| |
| long dir_pathconf = pathconf (dirbuf, _PC_PIPE_BUF); |
| |
| if (dir_pathconf < 0) |
| { |
| printf ("pathconf on directory failed: %s\n", strerror (errno)); |
| ret = 1; |
| goto out_nofifo; |
| } |
| |
| long fifo_pathconf = pathconf (filename, _PC_PIPE_BUF); |
| |
| if (fifo_pathconf < 0) |
| { |
| printf ("pathconf on file failed: %s\n", strerror (errno)); |
| ret = 1; |
| goto out_nofifo; |
| } |
| |
| int fifo = open (filename, O_RDONLY | O_NONBLOCK); |
| |
| if (fifo < 0) |
| { |
| printf ("fifo open failed (%s)\n", strerror (errno)); |
| ret = 1; |
| goto out_nofifo; |
| } |
| |
| long dir_fpathconf = fpathconf (dir_fd, _PC_PIPE_BUF); |
| |
| if (dir_fpathconf < 0) |
| { |
| printf ("fpathconf on directory failed: %s\n", strerror (errno)); |
| ret = 1; |
| goto out; |
| } |
| |
| long fifo_fpathconf = fpathconf (fifo, _PC_PIPE_BUF); |
| |
| if (fifo_fpathconf < 0) |
| { |
| printf ("fpathconf on file failed: %s\n", strerror (errno)); |
| ret = 1; |
| goto out; |
| } |
| |
| if (fifo_pathconf != fifo_fpathconf) |
| { |
| printf ("fifo pathconf (%ld) != fifo fpathconf (%ld)\n", fifo_pathconf, |
| fifo_fpathconf); |
| ret = 1; |
| goto out; |
| } |
| |
| if (dir_pathconf != fifo_pathconf) |
| { |
| printf ("directory pathconf (%ld) != fifo pathconf (%ld)\n", |
| dir_pathconf, fifo_pathconf); |
| ret = 1; |
| goto out; |
| } |
| |
| if (dir_fpathconf != fifo_fpathconf) |
| { |
| printf ("directory fpathconf (%ld) != fifo fpathconf (%ld)\n", |
| dir_fpathconf, fifo_fpathconf); |
| ret = 1; |
| goto out; |
| } |
| |
| out: |
| close (fifo); |
| out_nofifo: |
| close (dir_fd); |
| |
| if (unlink (filename) != 0) |
| { |
| printf ("Could not remove fifo (%s)\n", strerror (errno)); |
| ret = 1; |
| } |
| |
| if (rmdir (dirbuf) != 0) |
| { |
| printf ("Could not remove directory (%s)\n", strerror (errno)); |
| ret = 1; |
| } |
| |
| return ret; |
| } |