fstests/fsrenamelongname/test.c

0001 /* SPDX-License-Identifier: BSD-2-Clause */
0002
0003 /*
0004  *  COPYRIGHT (c) 1989-2011.
0005  *  On-Line Applications Research Corporation (OAR).
0006  *
0007  * Redistribution and use in source and binary forms, with or without
0008  * modification, are permitted provided that the following conditions
0009  * are met:
0010  * 1. Redistributions of source code must retain the above copyright
0011  *    notice, this list of conditions and the following disclaimer.
0012  * 2. Redistributions in binary form must reproduce the above copyright
0013  *    notice, this list of conditions and the following disclaimer in the
0014  *    documentation and/or other materials provided with the distribution.
0015  *
0016  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
0017  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
0018  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
0019  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
0020  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
0021  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
0022  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
0023  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
0024  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
0025  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
0026  * POSSIBILITY OF SUCH DAMAGE.
0027  */
0028
0029 #ifdef HAVE_CONFIG_H
0030 #include "config.h"
0031 #endif
0032
0033 #include <sys/stat.h>
0034 #include <limits.h>
0035 #include <fcntl.h>
0036 #include <errno.h>
0037 #include <stdio.h>
0038 #include <stdint.h>
0039 #include <string.h>
0040 #include <unistd.h>
0041
0042 #include "fstest.h"
0043 #include "fs_config.h"
0044 #include <tmacros.h>
0045
0046 const char rtems_test_name[] = "FSRENAMELONGNAME " FILESYSTEM;
0047 const RTEMS_TEST_STATE rtems_test_state = TEST_STATE;
0048
0049 void test (void)
0050 {
0051   int fd;
0052   int status;
0053
0054   const char *name01 = "name01";
0055
0056   mode_t mode = S_IRWXU | S_IRWXG | S_IRWXO;
0057   const char *wd = __func__;
0058
0059   char filename[NAME_MAX + 2];
0060
0061   /*
0062    * Create a new directory and change the current directory to this
0063    */
0064
0065   status = mkdir (wd, mode);
0066   rtems_test_assert (status == 0);
0067   status = chdir (wd);
0068   rtems_test_assert (status == 0);
0069
0070   /*
0071    * The new argument is a name bigger than NAME_MAX and
0072    * the old argument points to a file.
0073    */
0074
0075   puts ("\nRename file with a name size exceeding NAME_MAX\n");
0076
0077   fd = creat (name01, mode);
0078   rtems_test_assert (fd >= 0);
0079   status = close (fd);
0080   rtems_test_assert (status == 0);
0081
0082   /* Generate string with NAME_MAX + 1 length */
0083   memset(filename, 'a', NAME_MAX + 1);
0084   filename[NAME_MAX + 1] = '\0';
0085
0086   EXPECT_ERROR (ENAMETOOLONG, rename, name01, filename);
0087
0088   /*
0089    * Clear directory
0090    */
0091
0092   EXPECT_EQUAL (0, unlink, name01);
0093   EXPECT_EQUAL (-1, unlink, filename);
0094
0095   /*
0096    * Go back to parent directory
0097    */
0098
0099   status = chdir ("..");
0100   rtems_test_assert (status == 0);
0101
0102   /*
0103    * Remove test directory
0104    */
0105
0106   status = rmdir (wd);
0107   rtems_test_assert (status == 0);
0108 }