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author | Pedro Alvarez <pedro.alvarez@codethink.co.uk> | 2016-06-02 22:51:01 +0100 |
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committer | Pedro Alvarez <pedro.alvarez@codethink.co.uk> | 2016-06-02 22:51:01 +0100 |
commit | fea57a6d2a1a4c0232fb7ac3fa1d449134f5a481 (patch) | |
tree | 9074cfaed7a3231aa7f621cbf03985c3ad2b6477 /lzo/src/lzo1b_xx.c | |
parent | f92b88bc6c65ba71dad92fe7da7b7085607b439a (diff) | |
download | syslinux-fea57a6d2a1a4c0232fb7ac3fa1d449134f5a481.tar.gz |
Import lzo-2.09baserock/pedroalvarez/gcc6
Diffstat (limited to 'lzo/src/lzo1b_xx.c')
-rw-r--r-- | lzo/src/lzo1b_xx.c | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/lzo/src/lzo1b_xx.c b/lzo/src/lzo1b_xx.c new file mode 100644 index 00000000..56f30066 --- /dev/null +++ b/lzo/src/lzo1b_xx.c @@ -0,0 +1,82 @@ +/* lzo1b_xx.c -- LZO1B compression public entry point + + This file is part of the LZO real-time data compression library. + + Copyright (C) 1996-2015 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 +}; + + +static 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 (lzo_compress_t) 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); +} + + +/* vim:set ts=4 sw=4 et: */ |