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 /* SPDX-License-Identifier: BSD-2-Clause */
 
 /*
  * Copyright (c) 2012 embedded brains GmbH & Co. KG
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
  *    documentation and/or other materials provided with the distribution.
  *
  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  * POSSIBILITY OF SUCH DAMAGE.
  */
 
 #ifdef HAVE_CONFIG_H
 #include "config.h"
 #endif
 
 #include "tmacros.h"
 
 #include <sys/stat.h>
 #include <fcntl.h>
 #include <errno.h>
 #include <unistd.h>
 #include <stdio.h>
 
 #include <rtems/libio.h>
 #include <rtems/rtems-rfs-format.h>
 #include <rtems/ramdisk.h>
 
 const char rtems_test_name[] = "FSROFS 1";
 
 static const rtems_rfs_format_config rfs_config;
 
 static const char rda [] = "/dev/rda";
 
 static const char mnt [] = "/mnt";
 
 static const char file [] = "/mnt/file";
 
 static const char not_exist [] = "/mnt/not_exist";
 
 static void test_mount(bool writeable)
 {
   int rv;
   const void *data = NULL;
 
   rv = mount(
     rda,
     mnt,
     RTEMS_FILESYSTEM_TYPE_RFS,
     writeable ? RTEMS_FILESYSTEM_READ_WRITE : 0,
     data
   );
   rtems_test_assert(rv == 0);
 }
 
 static void test_create_file_system(void)
 {
   int rv;
 
   rv = mkdir(mnt, S_IRWXU | S_IRWXG | S_IRWXO);
   rtems_test_assert(rv == 0);
 
   rv = rtems_rfs_format(rda, &rfs_config);
   rtems_test_assert(rv == 0);
 
   test_mount(true);
 
   rv = mknod(file, S_IFREG | S_IRWXU | S_IRWXG | S_IRWXO, 0);
   rtems_test_assert(rv == 0);
 
   rv = unmount(mnt);
   rtems_test_assert(rv == 0);
 }
 
 static void test_rofs(void)
 {
   int rv;
   int fd;
   char buf [1];
   ssize_t n;
 
   test_mount(false);
 
   fd = open(file, O_RDONLY | O_CREAT, S_IRWXU | S_IRWXG | S_IRWXO);
   rtems_test_assert(fd >= 0);
 
   n = read(fd, buf, sizeof(buf));
   rtems_test_assert(n == 0);
 
   errno = 0;
   n = write(fd, buf, sizeof(buf));
   rtems_test_assert(n == -1);
   rtems_test_assert(errno == EBADF);
 
   errno = 0;
   rv = ftruncate(fd, 0);
   rtems_test_assert(rv == -1);
   rtems_test_assert(errno == EINVAL);
 
   errno = 0;
   rv = fchmod(fd, 0);
   rtems_test_assert(rv == -1);
   rtems_test_assert(errno == EROFS);
 
   errno = 0;
   rv = fchown(fd, 0, 0);
   rtems_test_assert(rv == -1);
   rtems_test_assert(errno == EROFS);
 
   rv = close(fd);
   rtems_test_assert(rv == 0);
 
   errno = 0;
   fd = open(not_exist, O_RDONLY | O_CREAT, S_IRWXU | S_IRWXG | S_IRWXO);
   rtems_test_assert(fd == -1);
   rtems_test_assert(errno == EROFS);
 
   errno = 0;
   rv = mknod(not_exist, S_IFREG | S_IRWXU | S_IRWXG | S_IRWXO, 0);
   rtems_test_assert(rv == -1);
   rtems_test_assert(errno == EROFS);
 
   errno = 0;
   rv = mkdir(not_exist, S_IRWXU | S_IRWXG | S_IRWXO);
   rtems_test_assert(rv == -1);
   rtems_test_assert(errno == EROFS);
 
   errno = 0;
   rv = rename(file, not_exist);
   rtems_test_assert(rv == -1);
   rtems_test_assert(errno == EROFS);
 
   errno = 0;
   rv = link(file, not_exist);
   rtems_test_assert(rv == -1);
   rtems_test_assert(errno == EROFS);
 
   errno = 0;
   rv = unlink(file);
   rtems_test_assert(rv == -1);
   rtems_test_assert(errno == EROFS);
 
   errno = 0;
   rv = symlink(file, not_exist);
   rtems_test_assert(rv == -1);
   rtems_test_assert(errno == EROFS);
 
   rv = unmount(mnt);
   rtems_test_assert(rv == 0);
 }
 
 static void Init(rtems_task_argument arg)
 {
   TEST_BEGIN();
 
   test_create_file_system();
   test_rofs();
 
   TEST_END();
   rtems_test_exit(0);
 }
 
 rtems_ramdisk_config rtems_ramdisk_configuration [] = {
   { .block_size = 512, .block_num = 1024 }
 };
 
 size_t rtems_ramdisk_configuration_size = 1;
 
 #define CONFIGURE_APPLICATION_NEEDS_CLOCK_DRIVER
 #define CONFIGURE_APPLICATION_NEEDS_SIMPLE_CONSOLE_DRIVER
 #define CONFIGURE_APPLICATION_EXTRA_DRIVERS RAMDISK_DRIVER_TABLE_ENTRY
 #define CONFIGURE_APPLICATION_NEEDS_LIBBLOCK
 
 #define CONFIGURE_MAXIMUM_FILE_DESCRIPTORS 5
 
 #define CONFIGURE_FILESYSTEM_RFS
 
 #define CONFIGURE_MAXIMUM_TASKS 2
 
 #define CONFIGURE_EXTRA_TASK_STACKS (8 * 1024)
 
 #define CONFIGURE_INITIAL_EXTENSIONS RTEMS_TEST_INITIAL_EXTENSION
 
 #define CONFIGURE_RTEMS_INIT_TASKS_TABLE
 
 #define CONFIGURE_INIT
 
 #include <rtems/confdefs.h>

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