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/* lzo1b_tm.ch -- implementation of the LZO1B compression algorithm
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/
*/
/* WARNING: this file should *not* be used by applications. It is
part of the implementation of the library and is subject
to change.
*/
/***********************************************************************
// test for a potential match
************************************************************************/
#if (DD_BITS == 0)
try_match:
#if !defined(NDEBUG) && (LZO_DICT_USE_PTR)
#if (LZO_DETERMINISTIC)
assert(m_pos == NULL || m_pos >= in);
assert(m_pos == NULL || m_pos < ip);
#endif
m_pos_sav = m_pos;
#endif
if (m_pos[0] == ip[0] && m_pos[1] == ip[1] && m_pos[2] == ip[2])
{
m_pos += 3;
goto match;
}
#else /* (DD_BITS == 0) */
/* test potential match */
if (m_len > M2_MIN_LEN)
goto match;
if (m_len == M2_MIN_LEN)
{
#if (_MAX_OFFSET == _M2_MAX_OFFSET)
goto match;
#else
if (m_off <= M2_MAX_OFFSET)
goto match;
#if 0 && (M3_MIN_LEN == M2_MIN_LEN)
if (ip == ii)
goto match;
#endif
#endif
}
goto literal;
#endif /* (DD_BITS == 0) */
/* vim:set ts=4 sw=4 et: */
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