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/* check.h - Check and repair a PC/MS-DOS filesystem
Copyright (C) 1993 Werner Almesberger <>
Copyright (C) 2008-2014 Daniel Baumann <>
This program 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.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <>.
The complete text of the GNU General Public License
can be found in /usr/share/common-licenses/GPL-3 file.
#ifndef _CHECK_H
#define _CHECK_H
loff_t alloc_rootdir_entry(DOS_FS * fs, DIR_ENT * de, const char *pattern);
/* Allocate a free slot in the root directory for a new file. The file name is
constructed after 'pattern', which must include a %d type format for printf
and expand to exactly 11 characters. The name actually used is written into
the 'de' structure, the rest of *de is cleared. The offset returned is to
where in the filesystem the entry belongs. */
int scan_root(DOS_FS * fs);
/* Scans the root directory and recurses into all subdirectories. See check.c
for all the details. Returns a non-zero integer if the filesystem has to
be checked again. */