2013-03-07 14:45:08 +08:00
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/* Test that values of pathconf and fpathconf are consistent for a file.
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2016-01-05 00:05:18 +08:00
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Copyright (C) 2013-2016 Free Software Foundation, Inc.
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2013-03-07 14:45:08 +08:00
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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#include <fcntl.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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static void prepare (void);
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#define PREPARE(argc, argv) prepare ()
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static int do_test (void);
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#define TEST_FUNCTION do_test ()
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#include "../test-skeleton.c"
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static int dir_fd;
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static char *dirbuf;
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static void
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prepare (void)
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{
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size_t test_dir_len = strlen (test_dir);
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static const char dir_name[] = "/tst-pathconf.XXXXXX";
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size_t dirbuflen = test_dir_len + sizeof (dir_name);
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2016-06-12 05:50:16 +08:00
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dirbuf = xmalloc (dirbuflen);
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2013-03-07 14:45:08 +08:00
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snprintf (dirbuf, dirbuflen, "%s%s", test_dir, dir_name);
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if (mkdtemp (dirbuf) == NULL)
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{
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printf ("Cannot create temporary directory: %s\n", strerror (errno));
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exit (1);
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}
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add_temp_file (dirbuf);
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dir_fd = open (dirbuf, O_RDONLY);
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if (dir_fd == -1)
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{
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printf ("Cannot open directory: %s\n", strerror (errno));
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exit (1);
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}
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}
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static int
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do_test (void)
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{
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int ret = 0;
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static const char *fifo_name = "some-fifo";
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size_t filenamelen = strlen (dirbuf) + strlen (fifo_name) + 2;
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2016-06-12 05:50:16 +08:00
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char *filename = xmalloc (filenamelen);
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2013-03-07 14:45:08 +08:00
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snprintf (filename, filenamelen, "%s/%s", dirbuf, fifo_name);
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/* Create a fifo in the directory. */
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int e = mkfifo (filename, 0777);
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if (e == -1)
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{
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printf ("fifo creation failed (%s)\n", strerror (errno));
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ret = 1;
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goto out_nofifo;
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}
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long dir_pathconf = pathconf (dirbuf, _PC_PIPE_BUF);
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if (dir_pathconf < 0)
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{
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printf ("pathconf on directory failed: %s\n", strerror (errno));
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ret = 1;
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goto out_nofifo;
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}
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long fifo_pathconf = pathconf (filename, _PC_PIPE_BUF);
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if (fifo_pathconf < 0)
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{
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printf ("pathconf on file failed: %s\n", strerror (errno));
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ret = 1;
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goto out_nofifo;
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}
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int fifo = open (filename, O_RDONLY | O_NONBLOCK);
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if (fifo < 0)
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{
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printf ("fifo open failed (%s)\n", strerror (errno));
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ret = 1;
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goto out_nofifo;
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}
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long dir_fpathconf = fpathconf (dir_fd, _PC_PIPE_BUF);
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if (dir_fpathconf < 0)
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{
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printf ("fpathconf on directory failed: %s\n", strerror (errno));
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ret = 1;
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goto out;
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}
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long fifo_fpathconf = fpathconf (fifo, _PC_PIPE_BUF);
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if (fifo_fpathconf < 0)
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{
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printf ("fpathconf on file failed: %s\n", strerror (errno));
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ret = 1;
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goto out;
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}
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if (fifo_pathconf != fifo_fpathconf)
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{
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printf ("fifo pathconf (%ld) != fifo fpathconf (%ld)\n", fifo_pathconf,
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fifo_fpathconf);
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ret = 1;
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goto out;
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}
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if (dir_pathconf != fifo_pathconf)
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{
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printf ("directory pathconf (%ld) != fifo pathconf (%ld)\n",
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dir_pathconf, fifo_pathconf);
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ret = 1;
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goto out;
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}
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if (dir_fpathconf != fifo_fpathconf)
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{
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printf ("directory fpathconf (%ld) != fifo fpathconf (%ld)\n",
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dir_fpathconf, fifo_fpathconf);
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ret = 1;
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goto out;
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}
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out:
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close (fifo);
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out_nofifo:
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close (dir_fd);
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if (unlink (filename) != 0)
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{
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printf ("Could not remove fifo (%s)\n", strerror (errno));
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ret = 1;
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}
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if (rmdir (dirbuf) != 0)
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{
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printf ("Could not remove directory (%s)\n", strerror (errno));
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ret = 1;
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}
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return ret;
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}
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