/* vi: set sw=4 ts=4: *//* * lookup.c --- ext2fs directory lookup operations * * Copyright (C) 1993, 1994, 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"struct lookup_struct  {	const char	*name;	int		len;	ext2_ino_t	*inode;	int		found;};#ifdef __TURBOC__# pragma argsused#endifstatic int lookup_proc(struct ext2_dir_entry *dirent,		       int	offset EXT2FS_ATTR((unused)),		       int	blocksize EXT2FS_ATTR((unused)),		       char	*buf EXT2FS_ATTR((unused)),		       void	*priv_data){	struct lookup_struct *ls = (struct lookup_struct *) priv_data;	if (ls->len != (dirent->name_len & 0xFF))		return 0;	if (strncmp(ls->name, dirent->name, (dirent->name_len & 0xFF)))		return 0;	*ls->inode = dirent->inode;	ls->found++;	return DIRENT_ABORT;}errcode_t ext2fs_lookup(ext2_filsys fs, ext2_ino_t dir, const char *name,			int namelen, char *buf, ext2_ino_t *inode){	errcode_t	retval;	struct lookup_struct ls;	EXT2_CHECK_MAGIC(fs, EXT2_ET_MAGIC_EXT2FS_FILSYS);	ls.name = name;	ls.len = namelen;	ls.inode = inode;	ls.found = 0;	retval = ext2fs_dir_iterate(fs, dir, 0, buf, lookup_proc, &ls);	if (retval)		return retval;	return (ls.found) ? 0 : EXT2_ET_FILE_NOT_FOUND;}