FreeDOS/hdr/fnode.h
Bart Oldeman ecfcb9be29 dir_read() no longer updates the diroff counter. This eliminates the NEW
field, simplifies remove_lfn_entries(), and avoids a bug if you delete
the first entry in the root directory on FAT32.


git-svn-id: https://svn.code.sf.net/p/freedos/svn/kernel/trunk@911 6ac86273-5f31-0410-b378-82cca8765d1b
2004-04-30 17:14:33 +00:00

71 lines
3.3 KiB
C

/****************************************************************/
/* */
/* fnode.h */
/* */
/* Internal File Node for FAT File System */
/* */
/* January 4, 1992 */
/* */
/* Copyright (c) 1995 */
/* Pasquale J. Villani */
/* All Rights Reserved */
/* */
/* This file is part of DOS-C. */
/* */
/* DOS-C is free software; you can redistribute it and/or */
/* modify it under the terms of the GNU General Public License */
/* as published by the Free Software Foundation; either version */
/* 2, or (at your option) any later version. */
/* */
/* DOS-C is distributed in the hope that it will be useful, but */
/* WITHOUT ANY WARRANTY; without even the implied warranty of */
/* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See */
/* the GNU General Public License for more details. */
/* */
/* You should have received a copy of the GNU General Public */
/* License along with DOS-C; see the file COPYING. If not, */
/* write to the Free Software Foundation, 675 Mass Ave, */
/* Cambridge, MA 02139, USA. */
/****************************************************************/
#ifdef MAIN
#ifdef VERSION_STRINGS
static BYTE *fnode_hRcsId =
"$Id$";
#endif
#endif
struct f_node {
UWORD f_count; /* number of uses of this file */
COUNT f_mode; /* read, write, read-write, etc */
UWORD f_flags; /* file flags */
struct dirent f_dir; /* this file's dir entry image */
UWORD f_diroff; /* offset/32 of the dir entry */
CLUSTER f_dirstart; /* the starting cluster of dir */
/* when dir is not root */
struct dpb FAR *f_dpb; /* the block device for file */
ULONG f_offset; /* byte offset for next op */
CLUSTER f_cluster_offset; /* relative cluster number within file */
CLUSTER f_cluster; /* the cluster we are at */
};
#define F_DMOD 1 /* directory has been modified */
#define F_DDIR 2 /* fnode is assigned to dir */
#define F_DDATE 4 /* date set using setdate */
typedef struct f_node *f_node_ptr;
struct lfn_inode {
UNICODE l_name[261]; /* Long file name string */
/* If the string is empty, */
/* then file has the 8.3 name */
struct dirent l_dir; /* Directory entry image */
UWORD l_diroff; /* Current directory entry offset */
};
typedef struct lfn_inode FAR * lfn_inode_ptr;