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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) 1996-2014 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>
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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) && (LZO_DICT_USE_PTR)
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#if (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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*/
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