| /* lzo1b_xx.c -- LZO1B compression public entry point |
| |
| This file is part of the LZO real-time data compression library. |
| |
| Copyright (C) 2008 Markus Franz Xaver Johannes Oberhumer |
| Copyright (C) 2007 Markus Franz Xaver Johannes Oberhumer |
| Copyright (C) 2006 Markus Franz Xaver Johannes Oberhumer |
| Copyright (C) 2005 Markus Franz Xaver Johannes Oberhumer |
| Copyright (C) 2004 Markus Franz Xaver Johannes Oberhumer |
| Copyright (C) 2003 Markus Franz Xaver Johannes Oberhumer |
| Copyright (C) 2002 Markus Franz Xaver Johannes Oberhumer |
| Copyright (C) 2001 Markus Franz Xaver Johannes Oberhumer |
| Copyright (C) 2000 Markus Franz Xaver Johannes Oberhumer |
| Copyright (C) 1999 Markus Franz Xaver Johannes Oberhumer |
| Copyright (C) 1998 Markus Franz Xaver Johannes Oberhumer |
| Copyright (C) 1997 Markus Franz Xaver Johannes Oberhumer |
| Copyright (C) 1996 Markus Franz Xaver Johannes Oberhumer |
| All Rights Reserved. |
| |
| The LZO library 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 2 of |
| the License, or (at your option) any later version. |
| |
| The LZO library 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 the LZO library; see the file COPYING. |
| If not, write to the Free Software Foundation, Inc., |
| 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
| |
| Markus F.X.J. Oberhumer |
| <markus@oberhumer.com> |
| http://www.oberhumer.com/opensource/lzo/ |
| */ |
| |
| |
| #include "config1b.h" |
| |
| |
| /*********************************************************************** |
| // |
| ************************************************************************/ |
| |
| static const lzo_compress_t * const c_funcs [9] = |
| { |
| &_lzo1b_1_compress_func, |
| &_lzo1b_2_compress_func, |
| &_lzo1b_3_compress_func, |
| &_lzo1b_4_compress_func, |
| &_lzo1b_5_compress_func, |
| &_lzo1b_6_compress_func, |
| &_lzo1b_7_compress_func, |
| &_lzo1b_8_compress_func, |
| &_lzo1b_9_compress_func |
| }; |
| |
| |
| lzo_compress_t _lzo1b_get_compress_func(int clevel) |
| { |
| const lzo_compress_t *f; |
| |
| if (clevel < LZO1B_BEST_SPEED || clevel > LZO1B_BEST_COMPRESSION) |
| { |
| if (clevel == LZO1B_DEFAULT_COMPRESSION) |
| clevel = LZO1B_BEST_SPEED; |
| else |
| return 0; |
| } |
| f = c_funcs[clevel-1]; |
| assert(f && *f); |
| return *f; |
| } |
| |
| |
| LZO_PUBLIC(int) |
| lzo1b_compress ( const lzo_bytep src, lzo_uint src_len, |
| lzo_bytep dst, lzo_uintp dst_len, |
| lzo_voidp wrkmem, |
| int clevel ) |
| { |
| lzo_compress_t f; |
| |
| f = _lzo1b_get_compress_func(clevel); |
| if (!f) |
| return LZO_E_ERROR; |
| return _lzo1b_do_compress(src,src_len,dst,dst_len,wrkmem,f); |
| } |
| |
| |
| |
| /* |
| vi:ts=4:et |
| */ |
| |