aosp12/external/mtools/subdir.c

45 lines
1.2 KiB
C

/* Copyright 1986-1992 Emmet P. Gray.
* Copyright 1996,1997,2001,2002,2009 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 "sysincludes.h"
#include "msdos.h"
#include "mtools.h"
#include "vfat.h"
#include "file.h"
#include "buffer.h"
/*
* Find the directory and load a new dir_chain[]. A null directory
* is OK. Returns a 1 on error.
*/
void bufferize(Stream_t **Dir)
{
Stream_t *BDir;
if(!*Dir)
return;
BDir = buf_init(*Dir, 64*16384, 512, MDIR_SIZE);
if(!BDir){
FREE(Dir);
*Dir = NULL;
} else
*Dir = BDir;
}