/* vi: set sw=4 ts=4: *//* * newdir.c --- create a new directory block * * Copyright (C) 1994, 1995 Theodore Ts'o. * * %Begin-Header% * This file may be redistributed under the terms of the GNU Public * License. * %End-Header% */#include <stdio.h>#include <string.h>#if HAVE_UNISTD_H#include <unistd.h>#endif#include "ext2_fs.h"#include "ext2fs.h"#ifndef EXT2_FT_DIR#define EXT2_FT_DIR		2#endif/* * Create new directory block */errcode_t ext2fs_new_dir_block(ext2_filsys fs, ext2_ino_t dir_ino,			       ext2_ino_t parent_ino, char **block){	struct ext2_dir_entry	*dir = NULL;	errcode_t		retval;	char			*buf;	int			rec_len;	int			filetype = 0;	EXT2_CHECK_MAGIC(fs, EXT2_ET_MAGIC_EXT2FS_FILSYS);	retval = ext2fs_get_mem(fs->blocksize, &buf);	if (retval)		return retval;	memset(buf, 0, fs->blocksize);	dir = (struct ext2_dir_entry *) buf;	dir->rec_len = fs->blocksize;	if (dir_ino) {		if (fs->super->s_feature_incompat &		    EXT2_FEATURE_INCOMPAT_FILETYPE)			filetype = EXT2_FT_DIR << 8;		/*		 * Set up entry for '.'		 */		dir->inode = dir_ino;		dir->name_len = 1 | filetype;		dir->name[0] = '.';		rec_len = dir->rec_len - EXT2_DIR_REC_LEN(1);		dir->rec_len = EXT2_DIR_REC_LEN(1);		/*		 * Set up entry for '..'		 */		dir = (struct ext2_dir_entry *) (buf + dir->rec_len);		dir->rec_len = rec_len;		dir->inode = parent_ino;		dir->name_len = 2 | filetype;		dir->name[0] = '.';		dir->name[1] = '.';	}	*block = buf;	return 0;}