int
nffs_dir_close(struct nffs_dir *dir)
{
int rc;
if (dir == NULL) {
return 0;
}
if (dir->nd_dirent.nde_inode_entry != NULL) {
rc = nffs_inode_dec_refcnt(dir->nd_dirent.nde_inode_entry);
if (rc != 0) {
return rc;
}
}
rc = nffs_inode_dec_refcnt(dir->nd_parent_inode_entry);
if (rc != 0) {
return rc;
}
rc = nffs_dir_free(dir);
if (rc != 0) {
return rc;
}
return 0;
}
int
nffs_dir_read(struct nffs_dir *dir, struct nffs_dirent **out_dirent)
{
struct nffs_inode_entry *child;
int rc;
if (dir->nd_dirent.nde_inode_entry == NULL) {
child = SLIST_FIRST(&dir->nd_parent_inode_entry->nie_child_list);
} else {
child = SLIST_NEXT(dir->nd_dirent.nde_inode_entry, nie_sibling_next);
rc = nffs_inode_dec_refcnt(dir->nd_dirent.nde_inode_entry);
if (rc != 0) {
/* XXX: Need to clean up anything? */
return rc;
}
}
dir->nd_dirent.nde_inode_entry = child;
if (child == NULL) {
*out_dirent = NULL;
return FS_ENOENT;
}
child->nie_refcnt++;
*out_dirent = &dir->nd_dirent;
return 0;
}
/**
* Closes the specified file and invalidates the file handle. If the file has
* already been unlinked, and this is the last open handle to the file, this
* operation causes the file to be deleted.
*
* @param file The file handle to close.
*
* @return 0 on success; nonzero on failure.
*/
int
nffs_file_close(struct nffs_file *file)
{
int rc;
rc = nffs_inode_dec_refcnt(file->nf_inode_entry);
if (rc != 0) {
return rc;
}
rc = nffs_file_free(file);
if (rc != 0) {
return rc;
}
return 0;
}