diff options
Diffstat (limited to 'cpukit/libmisc/fsmount/fsmount.c')
| -rw-r--r-- | cpukit/libmisc/fsmount/fsmount.c | 138 |
1 files changed, 138 insertions, 0 deletions
diff --git a/cpukit/libmisc/fsmount/fsmount.c b/cpukit/libmisc/fsmount/fsmount.c new file mode 100644 index 0000000000..1d82b94391 --- /dev/null +++ b/cpukit/libmisc/fsmount/fsmount.c @@ -0,0 +1,138 @@ +/** + * @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; +} |