/* * Copyright (C) 2008 Nokia Corporation. * Copyright (C) 2008 University of Szeged, Hungary * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 as published by * the Free Software Foundation. * * This program 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 * this program; if not, write to the Free Software Foundation, Inc., 51 * Franklin St, Fifth Floor, Boston, MA 02110-1301 USA * * Authors: Artem Bityutskiy * Adrian Hunter * Zoltan Sogor */ #ifndef __UBIFS_COMPRESS_H__ #define __UBIFS_COMPRESS_H__ /* * Compressors may end-up with more data in the output buffer than in the input * buffer. This constant defined the worst case factor, i.e. we assume that the * output buffer may be at max. WORST_COMPR_FACTOR times larger than input * buffer. */ #define WORST_COMPR_FACTOR 4 int compress_data(void *in_buf, size_t in_len, void *out_buf, size_t *out_len, int type); int init_compression(void); void destroy_compression(void); #endif