diff options
Diffstat (limited to 'c/src/exec/libfs/src/dosfs/msdos_initsupp.c')
| -rw-r--r-- | c/src/exec/libfs/src/dosfs/msdos_initsupp.c | 149 |
1 files changed, 0 insertions, 149 deletions
diff --git a/c/src/exec/libfs/src/dosfs/msdos_initsupp.c b/c/src/exec/libfs/src/dosfs/msdos_initsupp.c deleted file mode 100644 index eee8a6f9b2..0000000000 --- a/c/src/exec/libfs/src/dosfs/msdos_initsupp.c +++ /dev/null @@ -1,149 +0,0 @@ -/* - * MSDOS Initialization support routine implementation - * - * Copyright (C) 2001 OKTET Ltd., St.-Petersburg, Russia - * Author: Eugeny S. Mints <Eugeny.Mints@oktet.ru> - * - * The license and distribution terms for this file may be - * found in the file LICENSE in this distribution or at - * http://www.OARcorp.com/rtems/license.html. - * - * @(#) $Id$ - */ - -#if HAVE_CONFIG_H -#include "config.h" -#endif - -#include <sys/types.h> -#include <fcntl.h> -#include <unistd.h> -#include <stdlib.h> -#include <stdio.h> - -#include <assert.h> -#include <rtems.h> -#include <rtems/libio_.h> - -#include "fat.h" -#include "fat_fat_operations.h" -#include "fat_file.h" - -#include "msdos.h" - -/* msdos_initialize_support -- - * MSDOS filesystem initialization - * - * PARAMETERS: - * temp_mt_entry - mount table entry - * op_table - filesystem operations table - * file_handlers - file operations table - * directory_handlers - directory operations table - * - * RETURNS: - * RC_OK and filled temp_mt_entry on success, or -1 if error occured - * (errno set apropriately) - * - */ -int -msdos_initialize_support( - rtems_filesystem_mount_table_entry_t *temp_mt_entry, - rtems_filesystem_operations_table *op_table, - rtems_filesystem_file_handlers_r *file_handlers, - rtems_filesystem_file_handlers_r *directory_handlers - ) -{ - int rc = RC_OK; - rtems_status_code sc = RTEMS_SUCCESSFUL; - msdos_fs_info_t *fs_info = NULL; - fat_file_fd_t *fat_fd = NULL; - unsigned32 cl_buf_size; - - fs_info = (msdos_fs_info_t *)calloc(1, sizeof(msdos_fs_info_t)); - if (!fs_info) - set_errno_and_return_minus_one(ENOMEM); - - temp_mt_entry->fs_info = fs_info; - - rc = fat_init_volume_info(temp_mt_entry); - if (rc != RC_OK) - { - free(fs_info); - return rc; - } - - fs_info->file_handlers = file_handlers; - fs_info->directory_handlers = directory_handlers; - - /* - * open fat-file which correspondes to root directory - * (so inode number 0x00000010 is always used for root directory) - */ - rc = fat_file_open(temp_mt_entry, FAT_ROOTDIR_CLUSTER_NUM, 0, &fat_fd); - if (rc != RC_OK) - { - fat_shutdown_drive(temp_mt_entry); - free(fs_info); - return rc; - } - - /* again: unfortunately "fat-file" is just almost fat file :( */ - fat_fd->fat_file_type = FAT_DIRECTORY; - fat_fd->size_limit = MSDOS_MAX_DIR_LENGHT; - fat_fd->info_cln = FAT_ROOTDIR_CLUSTER_NUM; - fat_fd->info_ofs = 0; - fat_fd->cln = fs_info->fat.vol.rdir_cl; - - fat_fd->map.file_cln = 0; - fat_fd->map.disk_cln = fat_fd->cln; - - /* if we have FAT12/16 */ - if ( fat_fd->cln == 0 ) - { - fat_fd->fat_file_size = fs_info->fat.vol.rdir_size; - cl_buf_size = (fs_info->fat.vol.bpc > fs_info->fat.vol.rdir_size) ? - fs_info->fat.vol.bpc : - fs_info->fat.vol.rdir_size; - } - else - { - rc = fat_file_size(temp_mt_entry, fat_fd); - if ( rc != RC_OK ) - { - fat_file_close(temp_mt_entry, fat_fd); - fat_shutdown_drive(temp_mt_entry); - free(fs_info); - return rc; - } - cl_buf_size = fs_info->fat.vol.bpc; - } - - fs_info->cl_buf = (char *)calloc(cl_buf_size, sizeof(char)); - if (fs_info->cl_buf == NULL) - { - fat_file_close(temp_mt_entry, fat_fd); - fat_shutdown_drive(temp_mt_entry); - free(fs_info); - set_errno_and_return_minus_one(ENOMEM); - } - - sc = rtems_semaphore_create(3, - 1, - RTEMS_BINARY_SEMAPHORE | RTEMS_FIFO, - RTEMS_INHERIT_PRIORITY, - &fs_info->vol_sema); - if (sc != RTEMS_SUCCESSFUL) - { - fat_file_close(temp_mt_entry, fat_fd); - fat_shutdown_drive(temp_mt_entry); - free(fs_info->cl_buf); - free(fs_info); - set_errno_and_return_minus_one( EIO ); - } - - temp_mt_entry->mt_fs_root.node_access = fat_fd; - temp_mt_entry->mt_fs_root.handlers = directory_handlers; - temp_mt_entry->mt_fs_root.ops = op_table; - - return rc; -} |