ce290a033f
extend() now uses f_cluster instead of f_back, while map_cluster makes sure it's not set to LONG_LAST_CLUSTER (but to the cluster before it) when calling extend(). extend() and first_fat() now return the new cluster number or LONG_LAST_CLUSTER, just like find_fat_free() Hopefully I didn't break anything... Initial testing was successful. git-svn-id: https://svn.code.sf.net/p/freedos/svn/kernel/trunk@816 6ac86273-5f31-0410-b378-82cca8765d1b
73 lines
3.5 KiB
C
73 lines
3.5 KiB
C
/****************************************************************/
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/* */
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/* fnode.h */
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/* */
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/* Internal File Node for FAT File System */
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/* */
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/* January 4, 1992 */
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/* */
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/* Copyright (c) 1995 */
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/* Pasquale J. Villani */
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/* All Rights Reserved */
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/* */
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/* This file is part of DOS-C. */
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/* */
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/* DOS-C is free software; you can redistribute it and/or */
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/* modify it under the terms of the GNU General Public License */
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/* as published by the Free Software Foundation; either version */
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/* 2, or (at your option) any later version. */
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/* */
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/* DOS-C is distributed in the hope that it will be useful, but */
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/* WITHOUT ANY WARRANTY; without even the implied warranty of */
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/* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See */
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/* the GNU General Public License for more details. */
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/* */
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/* You should have received a copy of the GNU General Public */
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/* License along with DOS-C; see the file COPYING. If not, */
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/* write to the Free Software Foundation, 675 Mass Ave, */
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/* Cambridge, MA 02139, USA. */
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/****************************************************************/
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#ifdef MAIN
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#ifdef VERSION_STRINGS
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static BYTE *fnode_hRcsId =
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"$Id$";
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#endif
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#endif
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struct f_node {
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UWORD f_count; /* number of uses of this file */
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COUNT f_mode; /* read, write, read-write, etc */
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struct {
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BITS f_dmod:1; /* directory has been modified */
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BITS f_droot:1; /* directory is the root */
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BITS f_dnew:1; /* fnode is new and needs fill */
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BITS f_ddir:1; /* fnode is assigned to dir */
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BITS f_ddate:1; /* date set using setdate */
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} f_flags; /* file flags */
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struct dirent f_dir; /* this file's dir entry image */
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UWORD f_diroff; /* offset/32 of the dir entry */
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CLUSTER f_dirstart; /* the starting cluster of dir */
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/* when dir is not root */
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struct dpb FAR *f_dpb; /* the block device for file */
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ULONG f_offset; /* byte offset for next op */
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CLUSTER f_cluster_offset; /* relative cluster number within file */
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CLUSTER f_cluster; /* the cluster we are at */
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};
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typedef struct f_node *f_node_ptr;
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struct lfn_inode {
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UNICODE l_name[261]; /* Long file name string */
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/* If the string is empty, */
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/* then file has the 8.3 name */
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struct dirent l_dir; /* Directory entry image */
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ULONG l_diroff; /* Current directory entry offset */
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};
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typedef struct lfn_inode FAR * lfn_inode_ptr;
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