105 lines
2.9 KiB
C
105 lines
2.9 KiB
C
/* Copyright 1995 David C. Niemi
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* Copyright 1996-1998,2000-2003,2005,2007-2009 Alain Knaff.
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* Copyright 2010 Volker Lanz (vl@fidra.de)
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* This file is part of mtools.
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*
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* Mtools is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Mtools is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* 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 License
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* along with Mtools. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef MTOOLS_VFAT_H
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#define MTOOLS_VFAT_H
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#include <wchar.h>
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struct dos_name_t;
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struct direntry_t;
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struct unicode_char
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{
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unsigned char lchar;
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unsigned char uchar;
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};
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#define MAX_VFAT_SUBENTRIES 20 /* Max useful # of VSEs */
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#define VSE_NAMELEN 13
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#define VSE1SIZE 5
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#define VSE2SIZE 6
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#define VSE3SIZE 2
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#include "stream.h"
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struct vfat_subentry
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{
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unsigned char id; /* 0x40 = last; & 0x1f = VSE ID */
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struct unicode_char text1[VSE1SIZE];
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unsigned char attribute; /* 0x0f for VFAT */
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unsigned char hash1; /* Always 0? */
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unsigned char sum; /* Checksum of short name */
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struct unicode_char text2[VSE2SIZE];
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unsigned char sector_l; /* 0 for VFAT */
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unsigned char sector_u; /* 0 for VFAT */
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struct unicode_char text3[VSE3SIZE];
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};
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/* Enough size for a worst case number of full VSEs plus a null */
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#define VBUFSIZE ((MAX_VFAT_SUBENTRIES*VSE_NAMELEN) + 1)
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/* Max legal length of a VFAT long name */
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#define MAX_VNAMELEN 255
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#define VSE_PRESENT 0x01
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#define VSE_LAST 0x40
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#define VSE_MASK 0x1f
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struct vfat_state
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{
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wchar_t name[VBUFSIZE];
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int status; /* is now a bit map of 32 bits */
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int subentries;
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unsigned char sum; /* no need to remember the sum for each entry, it is the same anyways */
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int present;
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};
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struct scan_state
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{
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int match_free;
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int shortmatch;
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int longmatch;
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unsigned int free_start;
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unsigned int free_end;
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int slot;
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int got_slots;
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unsigned int size_needed;
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int max_entry;
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};
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int unicode_write(wchar_t *, struct unicode_char *, int num, int *end);
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int clear_vses(struct Stream_t *, int, size_t);
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void autorename_short(struct dos_name_t *, int);
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void autorename_long(char *, int);
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int vfat_lookup(struct direntry_t *entry, const char *filename, int length, int flags, char *shortname, char *longname);
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int dir_write(struct direntry_t *entry);
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int write_vfat(struct Stream_t *, struct dos_name_t *, char *, int, struct direntry_t *);
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#define DO_OPEN 1 /* open all files that are found */
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#define ACCEPT_LABEL 0x08
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#define ACCEPT_DIR 0x10
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#define ACCEPT_PLAIN 0x20
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#define MATCH_ANY 0x40
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#define NO_MSG 0x80
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#define NO_DOTS 0x100 /* accept no dots if matched by wildcard */
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#endif
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