source: rtems/cpukit/libcsupport/src/statvfs.c @ 955a34b5

4.10
Last change on this file since 955a34b5 was 955a34b5, checked in by Sebastian Huber <sebastian.huber@…>, on Jul 1, 2010 at 3:18:06 PM

2010-07-01 Sebastian Huber <sebastian.huber@…>

  • libcsupport/include/rtems/libio_.h: Removed rtems_filesystem_mount_table_control.
  • libcsupport/include/rtems/libio.h, libcsupport/src/mount-mgr.c, libcsupport/src/mount.c libcsupport/src/statvfs.c, libcsupport/src/unmount.c, libmisc/shell/main_mount.c: Documentation. Removed rtems_filesystem_mounts_first() and rtems_filesystem_mounts_next(). Added rtems_filesystem_mount_iterate(). Changed return type of rtems_filesystem_iterate(). Removed rtems_filesystem_nodes_equal().

2010-07-01 Sebastian Huber <sebastian.huber@…>

  • libfs/src/nfsclient/src/nfs.c, libfs/src/nfsclient/src/nfs.c, libfs/src/nfsclient/src/librtemsNfs.h: Renamed rtems_nfsfs_initialize() in rtems_nfs_initialize().
  • sapi/include/confdefs.h: Reflect changes above. Renamed *_miniIMFS in *_MINIIMFS. Renamed *_NFSFS in *_NFS.
  • Property mode set to 100644
File size: 1.3 KB
Line 
1/*
2 *  COPYRIGHT (c) 2009 Chris Johns <chrisj@rtems.org>
3 *
4 *  The license and distribution terms for this file may be
5 *  found in the file LICENSE in this distribution or at
6 *  http://www.rtems.com/license/LICENSE.
7 *
8 *  $Id$
9 */
10/*
11 * The statvfs as defined by the SUS:
12 *    http://www.opengroup.org/onlinepubs/009695399/basedefs/sys/statvfs.h.html
13 */
14
15#if HAVE_CONFIG_H
16#include "config.h"
17#endif
18
19#include <rtems/libio_.h>
20#include <rtems/seterr.h>
21
22#include <sys/statvfs.h>
23
24int
25statvfs (const char *path, struct statvfs *sb)
26{
27  rtems_filesystem_location_info_t      loc;
28  rtems_filesystem_location_info_t     *fs_mount_root;
29  rtems_filesystem_mount_table_entry_t *mt_entry;
30  int                                   result;
31
32  /*
33   *  Get
34   *    The root node of the mounted filesytem.
35   *    The node for the directory that the fileystem is mounted on.
36   *    The mount entry that is being refered to.
37   */
38
39  if ( rtems_filesystem_evaluate_path( path, strlen( path ), 0x0, &loc, true ) )
40    return -1;
41
42  mt_entry      = loc.mt_entry;
43  fs_mount_root = &mt_entry->mt_fs_root;
44
45  if ( !fs_mount_root->ops->statvfs_h )
46    rtems_set_errno_and_return_minus_one( ENOTSUP );
47
48  memset (sb, 0, sizeof (struct statvfs));
49
50  result = ( fs_mount_root->ops->statvfs_h )( fs_mount_root, sb );
51
52  rtems_filesystem_freenode( &loc );
53
54  return result;
55}
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