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Diffstat (limited to 'vfat.h')
| -rw-r--r-- | vfat.h | 110 |
1 files changed, 110 insertions, 0 deletions
@@ -0,0 +1,110 @@ +#ifndef MTOOLS_VFAT_H +#define MTOOLS_VFAT_H + +/* Copyright 1995 David C. Niemi + * Copyright 1996-1998,2000-2003,2005,2007-2009 Alain Knaff. + * This file is part of mtools. + * + * Mtools 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 3 of the License, or + * (at your option) any later version. + * + * Mtools 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 Mtools. If not, see <http://www.gnu.org/licenses/>. + */ + +#include "msdos.h" + +/* + * VFAT-related common header file + */ +#define VFAT_SUPPORT + +struct unicode_char { + unsigned char lchar; + unsigned char uchar; +} PACKED; + + +/* #define MAX_VFAT_SUBENTRIES 32 */ /* Theoretical max # of VSEs */ +#define MAX_VFAT_SUBENTRIES 20 /* Max useful # of VSEs */ +#define VSE_NAMELEN 13 + +#define VSE1SIZE 5 +#define VSE2SIZE 6 +#define VSE3SIZE 2 + +#include "stream.h" + +struct vfat_subentry { + unsigned char id; /* 0x40 = last; & 0x1f = VSE ID */ + struct unicode_char text1[VSE1SIZE]; + unsigned char attribute; /* 0x0f for VFAT */ + unsigned char hash1; /* Always 0? */ + unsigned char sum; /* Checksum of short name */ + struct unicode_char text2[VSE2SIZE]; + unsigned char sector_l; /* 0 for VFAT */ + unsigned char sector_u; /* 0 for VFAT */ + struct unicode_char text3[VSE3SIZE]; +}; + +/* Enough size for a worst case number of full VSEs plus a null */ +#define VBUFSIZE ((MAX_VFAT_SUBENTRIES*VSE_NAMELEN) + 1) + +/* Max legal length of a VFAT long name */ +#define MAX_VNAMELEN (255) + +#define VSE_PRESENT 0x01 +#define VSE_LAST 0x40 +#define VSE_MASK 0x1f + +struct vfat_state { + wchar_t name[VBUFSIZE]; + int status; /* is now a bit map of 32 bits */ + int subentries; + unsigned char sum; /* no need to remember the sum for each entry, + * it is the same anyways */ + int present; +}; + + +struct scan_state { + int match_free; + int shortmatch; + int longmatch; + unsigned int free_start; + unsigned int free_end; + int slot; + int got_slots; + unsigned int size_needed; + int max_entry; +}; + +#include "mtoolsDirentry.h" + +void clear_vfat(struct vfat_state *); +int unicode_write(wchar_t *, struct unicode_char *, int num, int *end); + +int clear_vses(Stream_t *, int, size_t); +void autorename_short(struct dos_name_t *, int); +void autorename_long(char *, int); + +#define DO_OPEN 1 /* open all files that are found */ +#define ACCEPT_LABEL 0x08 +#define ACCEPT_DIR 0x10 +#define ACCEPT_PLAIN 0x20 +#define MATCH_ANY 0x40 +#define NO_MSG 0x80 +#define NO_DOTS 0x100 /* accept no dots if matched by wildcard */ +#define DO_OPEN_DIRS 0x400 /* open all directories that are found */ +#define OPEN_PARENT 0x1000 /* in target lookup, open parent + * instead of file itself */ +#define NO_UNIX 0x2000 /* in target lookup, consider all files to reside on + * the DOS fs */ +#endif |