static int
rtems_rfs_rtems_dir_rmnod (rtems_filesystem_location_info_t* parent_pathloc,
rtems_filesystem_location_info_t* pathloc)
{
rtems_rfs_file_system* fs = rtems_rfs_rtems_pathloc_dev (pathloc);
rtems_rfs_ino parent = rtems_rfs_rtems_get_pathloc_ino (parent_pathloc);
rtems_rfs_ino ino = rtems_rfs_rtems_get_pathloc_ino (pathloc);
uint32_t doff = rtems_rfs_rtems_get_pathloc_doff (pathloc);
int rc;
if (rtems_rfs_rtems_trace (RTEMS_RFS_RTEMS_DEBUG_DIR_RMNOD))
printf ("rtems-rfs: dir-rmnod: parent:%" PRId32 " doff:%" PRIu32 ", ino:%" PRId32 "\n",
parent, doff, ino);
if (ino == RTEMS_RFS_ROOT_INO)
return rtems_rfs_rtems_error ("dir_rmnod: root inode", EBUSY);
rtems_rfs_rtems_lock (fs);
rc = rtems_rfs_unlink (fs, parent, ino, doff, rtems_rfs_unlink_dir_if_empty);
if (rc)
{
rtems_rfs_rtems_unlock (fs);
return rtems_rfs_rtems_error ("dir_rmnod: unlinking", rc);
}
rtems_rfs_rtems_unlock (fs);
return 0;
}
/**
* Rename the node.
*/
static int
rtems_rfs_rtems_rename(const rtems_filesystem_location_info_t* old_parent_loc,
const rtems_filesystem_location_info_t* old_loc,
const rtems_filesystem_location_info_t* new_parent_loc,
const char* new_name,
size_t new_name_len)
{
rtems_rfs_file_system* fs = rtems_rfs_rtems_pathloc_dev (old_loc);
rtems_rfs_ino old_parent;
rtems_rfs_ino new_parent;
rtems_rfs_ino ino;
uint32_t doff;
int rc;
old_parent = rtems_rfs_rtems_get_pathloc_ino (old_parent_loc);
new_parent = rtems_rfs_rtems_get_pathloc_ino (new_parent_loc);
ino = rtems_rfs_rtems_get_pathloc_ino (old_loc);
doff = rtems_rfs_rtems_get_pathloc_doff (old_loc);
if (rtems_rfs_rtems_trace (RTEMS_RFS_RTEMS_DEBUG_RENAME))
printf ("rtems-rfs: rename: ino:%" PRId32 " doff:%" PRIu32 ", new parent:%" PRId32 "\n",
ino, doff, new_parent);
/*
* Link to the inode before unlinking so the inode is not erased when
* unlinked.
*/
rc = rtems_rfs_link (fs, new_name, new_name_len, new_parent, ino, true);
if (rc)
{
return rtems_rfs_rtems_error ("rename: linking", rc);
}
/*
* Unlink all inodes even directories with the dir option as false because a
* directory may not be empty.
*/
rc = rtems_rfs_unlink (fs, old_parent, ino, doff,
rtems_rfs_unlink_dir_allowed);
if (rc)
{
return rtems_rfs_rtems_error ("rename: unlinking", rc);
}
return 0;
}
/**
* Routine to remove a node from the RFS file system.
*
* @param parent_pathloc
* @param pathloc
* @return int
*/
int
rtems_rfs_rtems_rmnod (const rtems_filesystem_location_info_t* parent_pathloc,
const rtems_filesystem_location_info_t* pathloc)
{
rtems_rfs_file_system* fs = rtems_rfs_rtems_pathloc_dev (pathloc);
rtems_rfs_ino parent = rtems_rfs_rtems_get_pathloc_ino (parent_pathloc);
rtems_rfs_ino ino = rtems_rfs_rtems_get_pathloc_ino (pathloc);
uint32_t doff = rtems_rfs_rtems_get_pathloc_doff (pathloc);
int rc;
if (rtems_rfs_rtems_trace (RTEMS_RFS_RTEMS_DEBUG_RMNOD))
printf ("rtems-rfs: rmnod: parent:%" PRId32 " doff:%" PRIu32 ", ino:%" PRId32 "\n",
parent, doff, ino);
rc = rtems_rfs_unlink (fs, parent, ino, doff, rtems_rfs_unlink_dir_if_empty);
if (rc)
{
return rtems_rfs_rtems_error ("rmnod: unlinking", rc);
}
return 0;
}