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[/] [openrisc/] [trunk/] [rtos/] [rtems/] [c/] [src/] [lib/] [libc/] [imfs_initsupp.c] - Blame information for rev 173

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1 30 unneback
/*
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 *  IMFS Initialization
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 *
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 *  COPYRIGHT (c) 1989-1999.
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 *  On-Line Applications Research Corporation (OAR).
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 *
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 *  The license and distribution terms for this file may be
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 *  found in the file LICENSE in this distribution or at
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 *  http://www.OARcorp.com/rtems/license.html.
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 *
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 *  $Id: imfs_initsupp.c,v 1.2 2001-09-27 12:01:15 chris Exp $
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 */
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#include <sys/types.h>         /* for mkdir */
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#include <fcntl.h>
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#include <unistd.h>
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#include <stdlib.h>
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#include <assert.h>
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#include "imfs.h"
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#include "libio_.h"
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#if defined(IMFS_DEBUG)
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#include <stdio.h>
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#endif
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/*
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 *  IMFS_initialize
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 */
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int IMFS_initialize_support(
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  rtems_filesystem_mount_table_entry_t *temp_mt_entry,
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   rtems_filesystem_operations_table    *op_table,
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   rtems_filesystem_file_handlers_r     *memfile_handlers,
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   rtems_filesystem_file_handlers_r     *directory_handlers
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)
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{
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  IMFS_fs_info_t                        *fs_info;
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  IMFS_jnode_t                          *jnode;
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  /*
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   *  Create the root node
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   */
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  temp_mt_entry->mt_fs_root.node_access = IMFS_create_node(
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    NULL,
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    IMFS_DIRECTORY,
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    "",
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    ( S_IFDIR | S_IRWXO | S_IRWXG| S_IRWXU ),
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    NULL
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  );
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  temp_mt_entry->mt_fs_root.handlers         = directory_handlers;
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  temp_mt_entry->mt_fs_root.ops              = op_table;
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  temp_mt_entry->pathconf_limits_and_options = IMFS_LIMITS_AND_OPTIONS;
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  /*
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   * Create custom file system data.
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   */
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  fs_info = calloc( 1, sizeof( IMFS_fs_info_t ) );
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  if ( !fs_info ){
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    free(temp_mt_entry->mt_fs_root.node_access);
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    return 1;
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  }
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  temp_mt_entry->fs_info = fs_info;
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  /*
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   * Set st_ino for the root to 1.
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   */
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  fs_info->ino_count          = 1;
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  fs_info->memfile_handlers   = memfile_handlers;
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  fs_info->directory_handlers = directory_handlers;
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  jnode = temp_mt_entry->mt_fs_root.node_access;
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  jnode->st_ino = fs_info->ino_count;
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  return 0;
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}

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