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/**
* @file
*
* File system mount functions.
*/
/*===============================================================*\
| Project: RTEMS fsmount |
+-----------------------------------------------------------------+
| File: fsmount.c |
+-----------------------------------------------------------------+
| Copyright (c) 2003 IMD |
| Ingenieurbuero fuer Microcomputertechnik Th. Doerfler |
| <Thomas.Doerfler@imd-systems.de> |
| all rights reserved |
+-----------------------------------------------------------------+
| this file contains the fsmount functions. These functions |
| are used to mount a list of filesystems (and create their mount |
| points before) |
| |
| The license and distribution terms for this file may be |
| found in the file LICENSE in this distribution or at |
| http://www.rtems.com/license/LICENSE. |
| |
+-----------------------------------------------------------------+
| date history ID |
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
| 02.07.03 creation doe |
\*===============================================================*/
#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;
}
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