source: rtems/cpukit/libfs/src/imfs/imfs_initsupp.c @ cf0539b1

4.104.114.84.95
Last change on this file since cf0539b1 was cf0539b1, checked in by Joel Sherrill <joel.sherrill@…>, on 09/04/03 at 18:54:17

2003-09-04 Joel Sherrill <joel@…>

  • src/dosfs/dosfs.h, src/dosfs/fat.h, src/dosfs/fat_fat_operations.h, src/dosfs/fat_file.h, src/dosfs/msdos.h, src/dosfs/msdos_create.c, src/dosfs/msdos_dir.c, src/dosfs/msdos_eval.c, src/dosfs/msdos_file.c, src/dosfs/msdos_free.c, src/dosfs/msdos_fsunmount.c, src/dosfs/msdos_handlers_dir.c, src/dosfs/msdos_handlers_file.c, src/dosfs/msdos_init.c, src/dosfs/msdos_initsupp.c, src/dosfs/msdos_misc.c, src/dosfs/msdos_mknod.c, src/dosfs/msdos_node_type.c, src/imfs/deviceio.c, src/imfs/imfs.h, src/imfs/imfs_chown.c, src/imfs/imfs_config.c, src/imfs/imfs_creat.c, src/imfs/imfs_debug.c, src/imfs/imfs_directory.c, src/imfs/imfs_eval.c, src/imfs/imfs_fchmod.c, src/imfs/imfs_fcntl.c, src/imfs/imfs_fdatasync.c, src/imfs/imfs_free.c, src/imfs/imfs_fsunmount.c, src/imfs/imfs_getchild.c, src/imfs/imfs_gtkn.c, src/imfs/imfs_handlers_device.c, src/imfs/imfs_handlers_directory.c, src/imfs/imfs_handlers_link.c, src/imfs/imfs_handlers_memfile.c, src/imfs/imfs_init.c, src/imfs/imfs_initsupp.c, src/imfs/imfs_link.c, src/imfs/imfs_mknod.c, src/imfs/imfs_mount.c, src/imfs/imfs_ntype.c, src/imfs/imfs_readlink.c, src/imfs/imfs_rmnod.c, src/imfs/imfs_stat.c, src/imfs/imfs_symlink.c, src/imfs/imfs_unixstub.c, src/imfs/imfs_unlink.c, src/imfs/imfs_unmount.c, src/imfs/imfs_utime.c, src/imfs/ioman.c, src/imfs/linearfile.c, src/imfs/memfile.c, src/imfs/miniimfs_init.c: URL for license changed.
  • Property mode set to 100644
File size: 2.0 KB
Line 
1/*
2 *  IMFS Initialization
3 *
4 *  COPYRIGHT (c) 1989-1999.
5 *  On-Line Applications Research Corporation (OAR).
6 *
7 *  The license and distribution terms for this file may be
8 *  found in the file LICENSE in this distribution or at
9 *  http://www.rtems.com/license/LICENSE.
10 *
11 *  $Id$
12 */
13
14#if HAVE_CONFIG_H
15#include "config.h"
16#endif
17
18#include <sys/types.h>         /* for mkdir */
19#include <fcntl.h>
20#include <unistd.h>
21#include <stdlib.h>
22
23#include <assert.h>
24
25#include "imfs.h"
26#include <rtems/libio_.h>
27#include <rtems/seterr.h>
28
29#if defined(IMFS_DEBUG)
30#include <stdio.h>
31#endif
32
33/*
34 *  IMFS_initialize
35 */
36
37int IMFS_initialize_support(
38  rtems_filesystem_mount_table_entry_t *temp_mt_entry,
39   rtems_filesystem_operations_table    *op_table,
40   rtems_filesystem_file_handlers_r     *linearfile_handlers,
41   rtems_filesystem_file_handlers_r     *memfile_handlers,
42   rtems_filesystem_file_handlers_r     *directory_handlers
43)
44{
45  IMFS_fs_info_t                        *fs_info;
46  IMFS_jnode_t                          *jnode;
47
48  /*
49   *  Create the root node
50   *
51   *  NOTE: UNIX root is 755 and owned by root/root (0/0).
52   */
53
54  temp_mt_entry->mt_fs_root.node_access = IMFS_create_node(
55    NULL,
56    IMFS_DIRECTORY,
57    "",
58    ( S_IFDIR | 0755 ),
59    NULL
60  );
61
62  temp_mt_entry->mt_fs_root.handlers         = directory_handlers;
63  temp_mt_entry->mt_fs_root.ops              = op_table;
64  temp_mt_entry->pathconf_limits_and_options = IMFS_LIMITS_AND_OPTIONS;
65
66  /*
67   * Create custom file system data.
68   */
69  fs_info = calloc( 1, sizeof( IMFS_fs_info_t ) );
70  if ( !fs_info ){
71    free(temp_mt_entry->mt_fs_root.node_access);
72    rtems_set_errno_and_return_minus_one(ENOMEM);
73  }
74  temp_mt_entry->fs_info = fs_info;
75
76  /*
77   * Set st_ino for the root to 1.
78   */
79
80  fs_info->ino_count             = 1;
81  fs_info->linearfile_handlers   = linearfile_handlers;
82  fs_info->memfile_handlers      = memfile_handlers;
83  fs_info->directory_handlers    = directory_handlers;
84
85  jnode = temp_mt_entry->mt_fs_root.node_access;
86  jnode->st_ino = fs_info->ino_count;
87
88  return 0;
89}
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