summaryrefslogtreecommitdiff
path: root/app/lzo/src/lzo2a_d.ch
diff options
context:
space:
mode:
Diffstat (limited to 'app/lzo/src/lzo2a_d.ch')
-rw-r--r--app/lzo/src/lzo2a_d.ch191
1 files changed, 0 insertions, 191 deletions
diff --git a/app/lzo/src/lzo2a_d.ch b/app/lzo/src/lzo2a_d.ch
deleted file mode 100644
index 48e51caa..00000000
--- a/app/lzo/src/lzo2a_d.ch
+++ /dev/null
@@ -1,191 +0,0 @@
-/* lzo2a_d.ch -- implementation of the LZO2A decompression algorithm
-
- 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/
- */
-
-
-#include "lzo1_d.ch"
-
-
-/***********************************************************************
-// decompress a block of data.
-************************************************************************/
-
-#define _NEEDBYTE NEED_IP(1)
-#define _NEXTBYTE (*ip++)
-
-LZO_PUBLIC(int)
-DO_DECOMPRESS ( const lzo_bytep in , lzo_uint in_len,
- lzo_bytep out, lzo_uintp out_len,
- lzo_voidp wrkmem )
-{
- register lzo_bytep op;
- register const lzo_bytep ip;
- register const lzo_bytep m_pos;
-
- lzo_uint t;
- const lzo_bytep const ip_end = in + in_len;
-#if defined(HAVE_ANY_OP)
- lzo_bytep const op_end = out + *out_len;
-#endif
-
- lzo_uint32 b = 0; /* bit buffer */
- unsigned k = 0; /* bits in bit buffer */
-
- LZO_UNUSED(wrkmem);
-
- op = out;
- ip = in;
-
- while (TEST_IP && TEST_OP)
- {
- NEEDBITS(1);
- if (MASKBITS(1) == 0)
- {
- DUMPBITS(1);
- /* a literal */
- NEED_IP(1); NEED_OP(1);
- *op++ = *ip++;
- continue;
- }
- DUMPBITS(1);
-
- NEEDBITS(1);
- if (MASKBITS(1) == 0)
- {
- DUMPBITS(1);
- /* a M1 match */
- NEEDBITS(2);
- t = M1_MIN_LEN + (lzo_uint) MASKBITS(2);
- DUMPBITS(2);
- NEED_IP(1); NEED_OP(t);
- m_pos = op - 1 - *ip++;
- assert(m_pos >= out); assert(m_pos < op);
- TEST_LB(m_pos);
- MEMCPY_DS(op,m_pos,t);
- continue;
- }
- DUMPBITS(1);
-
- NEED_IP(2);
- t = *ip++;
- m_pos = op;
- m_pos -= (t & 31) | (((lzo_uint) *ip++) << 5);
- t >>= 5;
- if (t == 0)
- {
-#if (SWD_N >= 8192)
- NEEDBITS(1);
- t = MASKBITS(1);
- DUMPBITS(1);
- if (t == 0)
- t = 10 - 1;
- else
- {
- /* a M3 match */
- m_pos -= 8192; /* t << 13 */
- t = M3_MIN_LEN - 1;
- }
-#else
- t = 10 - 1;
-#endif
- NEED_IP(1);
- while (*ip == 0)
- {
- t += 255;
- ip++;
- NEED_IP(1);
- }
- t += *ip++;
- }
- else
- {
-#if defined(LZO_EOF_CODE)
- if (m_pos == op)
- goto eof_found;
-#endif
- t += 2;
- }
- assert(m_pos >= out); assert(m_pos < op);
- TEST_LB(m_pos);
- NEED_OP(t);
- MEMCPY_DS(op,m_pos,t);
- }
-
-
-#if defined(LZO_EOF_CODE)
-#if defined(HAVE_TEST_IP) || defined(HAVE_TEST_OP)
- /* no EOF code was found */
- *out_len = pd(op, out);
- return LZO_E_EOF_NOT_FOUND;
-#endif
-
-eof_found:
- assert(t == 1);
-#endif
- *out_len = pd(op, out);
- return (ip == ip_end ? LZO_E_OK :
- (ip < ip_end ? LZO_E_INPUT_NOT_CONSUMED : LZO_E_INPUT_OVERRUN));
-
-
-#if defined(HAVE_NEED_IP)
-input_overrun:
- *out_len = pd(op, out);
- return LZO_E_INPUT_OVERRUN;
-#endif
-
-#if defined(HAVE_NEED_OP)
-output_overrun:
- *out_len = pd(op, out);
- return LZO_E_OUTPUT_OVERRUN;
-#endif
-
-#if defined(LZO_TEST_OVERRUN_LOOKBEHIND)
-lookbehind_overrun:
- *out_len = pd(op, out);
- return LZO_E_LOOKBEHIND_OVERRUN;
-#endif
-}
-
-
-/*
-vi:ts=4:et
-*/
-