summaryrefslogtreecommitdiff
path: root/app/lzo/src/lzo1b_cc.c
diff options
context:
space:
mode:
Diffstat (limited to 'app/lzo/src/lzo1b_cc.c')
-rw-r--r--app/lzo/src/lzo1b_cc.c170
1 files changed, 0 insertions, 170 deletions
diff --git a/app/lzo/src/lzo1b_cc.c b/app/lzo/src/lzo1b_cc.c
deleted file mode 100644
index cc7c2e87..00000000
--- a/app/lzo/src/lzo1b_cc.c
+++ /dev/null
@@ -1,170 +0,0 @@
-/* lzo1b_cc.c -- LZO1B compression internal entry point
-
- This file is part of the LZO real-time data compression library.
-
- Copyright (C) 2011 Markus Franz Xaver Johannes Oberhumer
- Copyright (C) 2010 Markus Franz Xaver Johannes Oberhumer
- Copyright (C) 2009 Markus Franz Xaver Johannes Oberhumer
- 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/
- */
-
-
-#define LZO_NEED_DICT_H 1
-#include "config1b.h"
-
-
-/***********************************************************************
-// compression internal entry point.
-************************************************************************/
-
-int _lzo1b_do_compress ( const lzo_bytep in, lzo_uint in_len,
- lzo_bytep out, lzo_uintp out_len,
- lzo_voidp wrkmem,
- lzo_compress_t func )
-{
- int r;
-#if defined(LZO_TEST_COMPRESS_OVERRUN)
- lzo_uint avail_out = *out_len;
-#endif
-
-
-#if (LZO_COLLECT_STATS)
- _lzo1b_stats_init(lzo_stats);
- lzo_stats->in_len = in_len;
-#endif
-
-
- /* don't try to compress a block that's too short */
- if (in_len == 0)
- {
- *out_len = 0;
- r = LZO_E_OK;
- }
- else if (in_len <= MIN_LOOKAHEAD + 1)
- {
-#if defined(LZO_RETURN_IF_NOT_COMPRESSIBLE)
- *out_len = 0;
- r = LZO_E_NOT_COMPRESSIBLE;
-#else
- *out_len = pd(STORE_RUN(out,in,in_len), out);
- r = (*out_len > in_len) ? LZO_E_OK : LZO_E_ERROR;
-#endif
- }
- else
- r = func(in,in_len,out,out_len,wrkmem);
-
-
-#if defined(LZO_EOF_CODE)
-#if defined(LZO_TEST_COMPRESS_OVERRUN)
- if (r == LZO_E_OK && avail_out - *out_len < 3)
- r = LZO_E_COMPRESS_OVERRUN;
-#endif
- if (r == LZO_E_OK)
- {
- lzo_bytep op = out + *out_len;
- op[0] = M3_MARKER | 1;
- op[1] = 0;
- op[2] = 0;
- *out_len += 3;
- }
-#endif
-
-
-#if (LZO_COLLECT_STATS)
- lzo_stats->out_len = *out_len;
- lzo_stats->match_bytes =
- 1 * lzo_stats->m1_matches + 2 * lzo_stats->m2_matches +
- 3 * lzo_stats->m3_matches + 4 * lzo_stats->m4_matches;
- _lzo1b_stats_calc(lzo_stats);
-#endif
-
- return r;
-}
-
-
-/***********************************************************************
-// note: this is not thread safe, but as it is used for finetuning only
-// we don't care
-************************************************************************/
-
-#undef lzo_stats
-/* lzo_stats_t is still defined */
-
-
-#if (LZO_COLLECT_STATS)
-
-static lzo_stats_t lzo_statistics;
-lzo_stats_t * const lzo1b_stats = &lzo_statistics;
-
-
-void _lzo1b_stats_init(lzo_stats_t *lzo_stats)
-{
- lzo_memset(lzo_stats,0,sizeof(*lzo_stats));
-}
-
-
-void _lzo1b_stats_calc(lzo_stats_t *lzo_stats)
-{
- lzo_stats->matches =
- lzo_stats->m1_matches + lzo_stats->m2_matches +
- lzo_stats->m3_matches + lzo_stats->m4_matches;
-
- lzo_stats->literal_overhead = lzo_stats->lit_runs +
- 2 * (lzo_stats->r0short_runs + lzo_stats->r0fast_runs +
- lzo_stats->r0long_runs);
- lzo_stats->literal_bytes = lzo_stats->literals +
- lzo_stats->literal_overhead;
-
-#if 0
- assert(lzo_stats->match_bytes + lzo_stats->literal_bytes ==
- lzo_stats->out_len);
-#endif
-
- lzo_stats->m2_matches -= lzo_stats->r1_matches;
- lzo_stats->m2_match[M2_MIN_LEN] -= lzo_stats->r1_matches;
-
- if (lzo_stats->literals > 0)
- lzo_stats->literal_overhead_percent =
- 100.0 * lzo_stats->literal_overhead / lzo_stats->literals;
-}
-
-
-#endif
-
-
-/*
-vi:ts=4:et
-*/
-