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/* SPDX-License-Identifier: BSD-2-Clause */
/**
* @file
*
* @ingroup rtems_fstab File System Mount Support
*
* @brief File System Mount Functions
*
* This file contains the fsmount functions. These functions
* are used to mount a list of filesystems (and create their mount
* points before).
*/
/*
* Copyright (c) 2003 IMD Ingenieurbuero fuer Microcomputertechnik
* All rights reserved.
*
* 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.
*/
#ifndef HAVE_CONFIG_H
#include "config.h"
#endif
#include <rtems.h>
#include <rtems/fsmount.h>
#include <rtems/libio.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
/*=========================================================================*\
| Function: |
\*-------------------------------------------------------------------------*/
int rtems_fsmount
(
/*-------------------------------------------------------------------------*\
| Purpose: |
| This function will create the mount points listed and mount the file |
| systems listed in the calling parameters |
+---------------------------------------------------------------------------+
| Input Parameters: |
\*-------------------------------------------------------------------------*/
const rtems_fstab_entry *fstab_ptr,
size_t fstab_count,
size_t *fail_idx
)
/*-------------------------------------------------------------------------*\
| Return Value: |
| 0, if success, -1 and errno if failed |
\*=========================================================================*/
{
int rc = 0;
int tmp_rc;
size_t fstab_idx = 0;
bool terminate = false;
/*
* scan through all fstab entries;
*/
while (!terminate &&
(fstab_idx < fstab_count)) {
tmp_rc = 0;
/*
* create mount point
*/
if (tmp_rc == 0) {
tmp_rc = rtems_mkdir(fstab_ptr->target, S_IRWXU | S_IRWXG | S_IRWXO);
if (tmp_rc != 0) {
if (0 != (fstab_ptr->report_reasons & FSMOUNT_MNTPNT_CRTERR)) {
fprintf(stdout,"fsmount: creation of mount point \"%s\" failed: %s\n",
fstab_ptr->target,
strerror(errno));
}
if (0 != (fstab_ptr->abort_reasons & FSMOUNT_MNTPNT_CRTERR)) {
terminate = true;
rc = tmp_rc;
}
}
}
/*
* mount device to given mount point
*/
if (tmp_rc == 0) {
tmp_rc = mount(fstab_ptr->source,
fstab_ptr->target,
fstab_ptr->type,
fstab_ptr->options,
NULL);
if (tmp_rc != 0) {
if (0 != (fstab_ptr->report_reasons & FSMOUNT_MNT_FAILED)) {
fprintf(stdout,"fsmount: mounting of \"%s\" to"
" \"%s\" failed: %s\n",
fstab_ptr->source,
fstab_ptr->target,
strerror(errno));
}
if (0 != (fstab_ptr->abort_reasons & FSMOUNT_MNT_FAILED)) {
terminate = true;
rc = tmp_rc;
}
}
else {
if (0 != (fstab_ptr->report_reasons & FSMOUNT_MNT_OK)) {
fprintf(stdout,"fsmount: mounting of \"%s\" to"
" \"%s\" succeeded\n",
fstab_ptr->source,
fstab_ptr->target);
}
if (0 != (fstab_ptr->abort_reasons & FSMOUNT_MNT_OK)) {
terminate = true;
}
}
}
/*
* proceed to next entry
*/
if (!terminate) {
fstab_ptr++;
fstab_idx++;
}
}
if (fail_idx != NULL) {
*fail_idx = fstab_idx;
}
return rc;
}
|
