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/* lzo1b_tm.ch -- implementation of the LZO1B compression algorithm
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   This file is part of the LZO real-time data compression library.
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   Copyright (C) 2008 Markus Franz Xaver Johannes Oberhumer
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   Copyright (C) 2007 Markus Franz Xaver Johannes Oberhumer
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   Copyright (C) 2006 Markus Franz Xaver Johannes Oberhumer
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   Copyright (C) 2005 Markus Franz Xaver Johannes Oberhumer
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   Copyright (C) 2004 Markus Franz Xaver Johannes Oberhumer
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   Copyright (C) 2003 Markus Franz Xaver Johannes Oberhumer
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   Copyright (C) 2002 Markus Franz Xaver Johannes Oberhumer
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   Copyright (C) 2001 Markus Franz Xaver Johannes Oberhumer
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   Copyright (C) 2000 Markus Franz Xaver Johannes Oberhumer
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   Copyright (C) 1999 Markus Franz Xaver Johannes Oberhumer
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   Copyright (C) 1998 Markus Franz Xaver Johannes Oberhumer
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   Copyright (C) 1997 Markus Franz Xaver Johannes Oberhumer
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   Copyright (C) 1996 Markus Franz Xaver Johannes Oberhumer
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   All Rights Reserved.
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   The LZO library is free software; you can redistribute it and/or
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   modify it under the terms of the GNU General Public License as
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   published by the Free Software Foundation; either version 2 of
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   the License, or (at your option) any later version.
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   The LZO library is distributed in the hope that it will be useful,
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   but WITHOUT ANY WARRANTY; without even the implied warranty of
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   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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   GNU General Public License for more details.
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   You should have received a copy of the GNU General Public License
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   along with the LZO library; see the file COPYING.
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   If not, write to the Free Software Foundation, Inc.,
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   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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   Markus F.X.J. Oberhumer
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   <markus@oberhumer.com></markus@oberhumer.com>
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   http://www.oberhumer.com/opensource/lzo/
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 */
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/* WARNING: this file should *not* be used by applications. It is
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   part of the implementation of the library and is subject
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   to change.
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 */
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/***********************************************************************
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// test for a potential match
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************************************************************************/
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#if (DD_BITS == 0)
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try_match:
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#if !defined(NDEBUG) && defined(LZO_DICT_USE_PTR)
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#if defined(LZO_DETERMINISTIC)
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        assert(m_pos == NULL || m_pos >= in);
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        assert(m_pos == NULL || m_pos < ip);
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#endif
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        m_pos_sav = m_pos;
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#endif
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        if (m_pos[0] == ip[0] && m_pos[1] == ip[1] && m_pos[2] == ip[2])
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        {
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            m_pos += 3;
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            goto match;
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        }
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#else /* (DD_BITS == 0) */
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    /* test potential match */
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        if (m_len > M2_MIN_LEN)
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            goto match;
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        if (m_len == M2_MIN_LEN)
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        {
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#if (_MAX_OFFSET == _M2_MAX_OFFSET)
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            goto match;
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#else
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            if (m_off <= M2_MAX_OFFSET)
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                goto match;
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#if 0 && (M3_MIN_LEN == M2_MIN_LEN)
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            if (ip == ii)
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                goto match;
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#endif
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#endif
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        }
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        goto literal;
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#endif /* (DD_BITS == 0) */
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/*
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vi:ts=4:et
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*/