/src/lzo-2.10/src/lzo1c_9x.c

Source
/* lzo1c_9x.c -- implementation of the LZO1C-999 compression algorithm

   This file is part of the LZO real-time data compression library.

   Copyright (C) 1996-2017 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 "config1c.h"


/***********************************************************************
//
************************************************************************/

#define SWD_N           16383           /* size of ring buffer */
#define SWD_THRESHOLD       2           /* lower limit for match length */
#define SWD_F            2048           /* upper limit for match length */


#define LZO1C 1
#define LZO_COMPRESS_T  lzo1c_999_t
#define lzo_swd_t       lzo1c_999_swd_t
#include "lzo_mchw.ch"



/***********************************************************************
//
************************************************************************/

static lzo_bytep
code_match ( LZO_COMPRESS_T *c, lzo_bytep op, lzo_uint m_len, lzo_uint m_off )
{
    if (m_len <= M2_MAX_LEN && m_off <= M2_MAX_OFFSET)
    {
        assert(m_len >= M2_MIN_LEN);
        assert(m_off >= M2_MIN_OFFSET);

        m_off -= M2_MIN_OFFSET;
        /* code match len + low offset bits */
        *op++ = LZO_BYTE(((m_len - (M2_MIN_LEN - 2)) << M2O_BITS) |
                          (m_off & M2O_MASK));
        /* code high offset bits */
        *op++ = LZO_BYTE(m_off >> M2O_BITS);
        c->m2_m++;
    }
    else
    {
        assert(m_len >= M3_MIN_LEN);
        assert(m_off <= M3_MAX_OFFSET);

        m_off -= M3_MIN_OFFSET - M3_EOF_OFFSET;
        /* code match len */
        if (m_len <= M3_MAX_LEN)
            *op++ = LZO_BYTE(M3_MARKER | (m_len - (M3_MIN_LEN - 1)));
        else
        {
            assert(m_len >= M4_MIN_LEN);
            /* code M4 match len flag */
            *op++ = M4_MARKER;
            /* code match len */
            m_len -= M4_MIN_LEN - 1;
            while (m_len > 255)
            {
                m_len -= 255;
                *op++ = 0;
            }
            assert(m_len > 0);
            *op++ = LZO_BYTE(m_len);
        }
        /* code low offset bits */
        *op++ = LZO_BYTE(m_off & M3O_MASK);
        /* code high offset bits */
        *op++ = LZO_BYTE(m_off >> M3O_BITS);

        c->r1_m_len = 0;
        c->m3 = op;
        c->m3_m++;
    }
    return op;
}


/***********************************************************************
// this is a public function, but there is no prototype in a header file
************************************************************************/

LZO_EXTERN(int)
lzo1c_999_compress_callback ( const lzo_bytep in , lzo_uint  in_len,
                                    lzo_bytep out, lzo_uintp out_len,
                                    lzo_voidp wrkmem,
                                    lzo_callback_p cb,
                                    lzo_uint max_chain );

LZO_PUBLIC(int)
lzo1c_999_compress_callback ( const lzo_bytep in , lzo_uint  in_len,
                                    lzo_bytep out, lzo_uintp out_len,
                                    lzo_voidp wrkmem,
                                    lzo_callback_p cb,
                                    lzo_uint max_chain )
{
    lzo_bytep op;
    const lzo_bytep ii;
    lzo_uint lit;
    lzo_uint m_len, m_off;
    LZO_COMPRESS_T cc;
    LZO_COMPRESS_T * const c = &cc;
    lzo_swd_p const swd = (lzo_swd_p) wrkmem;
    int r;

    /* sanity check */
    LZO_COMPILE_TIME_ASSERT(LZO1C_999_MEM_COMPRESS >= SIZEOF_LZO_SWD_T)

    c->init = 0;
    c->ip = c->in = in;
    c->in_end = in + in_len;
    c->cb = cb;
    c->r1_r = c->m3_r = c->m2_m = c->m3_m = 0;

    op = out;
    ii = c->ip;             /* point to start of literal run */
    lit = 0;
    c->r1_m_len = 0;
    c->m3 = out + 1;        /* pointer after last m3/m4 match */

    r = init_match(c,swd,NULL,0,0);
    if (r != 0)
        return r;
    if (max_chain > 0)
        swd->max_chain = max_chain;

    r = find_match(c,swd,0,0);
    if (r != 0)
        return r;
    while (c->look > 0)
    {
        int lazy_match_min_gain = -1;
        lzo_uint ahead = 0;

        m_len = c->m_len;
        m_off = c->m_off;

#if 0
        printf("%5ld: %5d len:%3d off:%5d\n", (c->ip-c->look)-in, c->look,
                m_len, m_off);
#endif

        assert(c->ip - c->look >= in);
        if (lit == 0)
            ii = c->ip - c->look;
        assert(ii + lit == c->ip - c->look);
        assert(swd->b_char == *(c->ip - c->look));

        if ((m_len < M2_MIN_LEN) ||
            (m_len < M3_MIN_LEN && m_off > M2_MAX_OFFSET))
        {
            m_len = 0;
        }
        else
        {
            assert(c->ip - c->look - m_off >= in);
            assert(c->ip - c->look - m_off + m_len < c->ip);
            assert(lzo_memcmp(c->ip - c->look, c->ip - c->look - m_off,
                              m_len) == 0);

            if (lit > 0)
            {
                /* we have a current literal run: do not try a lazy match,
                   if the literal could be coded into a r1 or m3 match */
                if (lit == 1 && c->r1_m_len == M2_MIN_LEN)
                    lazy_match_min_gain = -1;
                else if (lit == 3 && op == c->m3)
                    lazy_match_min_gain = -1;
                else if (lit < 3 && op == c->m3)
                    lazy_match_min_gain = 0;
                else
                    lazy_match_min_gain = 1;

#if (M2_MIN_LEN == 2)
                if (m_len == 2)
                {
                    /* don't code a match of len 2 if we have to
                       code a literal run. Code a literal instead. */
                    m_len = 0;
                }
#endif
#if (M2_MIN_LEN == M3_MIN_LEN)
                if (m_len == M2_MIN_LEN && m_off > M2_MAX_OFFSET)
                {
                    /* don't code a M3 match of len 3 if we have to
                       code a literal run. Code a literal instead. */
                    m_len = 0;
                }
#endif
            }
            else
            {
                /* no current literal run: only try a lazy match,
                   if the literal could be coded into a r1 or m3 match */
                if (c->r1_m_len == M2_MIN_LEN || op == c->m3)
                    lazy_match_min_gain = 0;
                else
                    lazy_match_min_gain = -1;
            }
        }


        /* try a lazy match */
        if (m_len == 0)
            lazy_match_min_gain = -1;
        if (lazy_match_min_gain >= 0 && c->look > m_len)
        {
            assert(m_len > 0);

            r = find_match(c,swd,1,0);
            assert(r == 0); LZO_UNUSED(r);
            assert(c->look > 0);

            if (m_len <= M2_MAX_LEN && m_off <= M2_MAX_OFFSET &&
                c->m_off > M2_MAX_OFFSET)
                lazy_match_min_gain += 1;

            if (c->m_len >= m_len + lazy_match_min_gain)
            {
                c->lazy++;
#if !defined(NDEBUG)
                m_len = c->m_len;
                m_off = c->m_off;
                assert(lzo_memcmp(c->ip - c->look, c->ip - c->look - m_off,
                                  m_len) == 0);
#endif
                lit++;
                assert(ii + lit == c->ip - c->look);
                continue;
            }
            else
            {
                ahead = 1;
                assert(ii + lit + 1 == c->ip - c->look);
            }
            assert(m_len > 0);
        }
        assert(ii + lit + ahead == c->ip - c->look);


        if (m_len == 0)
        {
            /* a literal */
            lit++;
            r = find_match(c,swd,1,0);
            assert(r == 0); LZO_UNUSED(r);
        }
        else
        {
            /* 1 - store run */
            if (lit > 0)
            {
                /* code current literal run */
                if (lit == 1 && c->r1_m_len == M2_MIN_LEN)
                {
                    /* Code a context sensitive R1 match. */
                    assert((op[-2] >> M2O_BITS) == (M2_MARKER >> M2O_BITS));
                    op[-2] &= M2O_MASK;
                    assert((op[-2] >> M2O_BITS) == 0);
                    /* copy 1 literal */
                    *op++ = *ii++;
                    assert(ii + ahead == c->ip - c->look);
                    c->r1_r++;
                }
                else if (lit < 4 && op == c->m3)
                {
                    assert((c->m3[-2] >> M3O_BITS) == 0);
                    c->m3[-2] = LZO_BYTE(c->m3[-2] | (lit << M3O_BITS));
                    MEMCPY_DS(op, ii, lit);
                    assert(ii + ahead == c->ip - c->look);
                    c->m3_r++;
                }
                else
                {
                    op = STORE_RUN(op,ii,lit);
                }
                if (lit < R0FAST)
                    c->r1_m_len = m_len;
                else
                    c->r1_m_len = 0;
                lit = 0;
            }
            else
                c->r1_m_len = 0;

            /* 2 - code match */
            op = code_match(c,op,m_len,m_off);
            r = find_match(c,swd,m_len,1+ahead);
            assert(r == 0); LZO_UNUSED(r);
        }

        c->codesize = pd(op, out);
    }


    /* store final run */
    if (lit > 0)
        op = STORE_RUN(op,ii,lit);

#if defined(LZO_EOF_CODE)
    *op++ = M3_MARKER | 1;
    *op++ = 0;
    *op++ = 0;
#endif

    c->codesize = pd(op, out);
    assert(c->textsize == in_len);

    *out_len = pd(op, out);

    if (c->cb && c->cb->nprogress)
        (*c->cb->nprogress)(c->cb, c->textsize, c->codesize, 0);

#if 0
    printf("%ld %ld -> %ld: %ld %ld %ld %ld %ld\n",
        (long) c->textsize, (long)in_len, (long) c->codesize,
        c->r1_r, c->m3_r, c->m2_m, c->m3_m, c->lazy);
#endif
    return LZO_E_OK;
}



/***********************************************************************
//
************************************************************************/

LZO_PUBLIC(int)
lzo1c_999_compress  ( const lzo_bytep in , lzo_uint  in_len,
                            lzo_bytep out, lzo_uintp out_len,
                            lzo_voidp wrkmem )
{
    return lzo1c_999_compress_callback(in,in_len,out,out_len,wrkmem,
                                       (lzo_callback_p) 0, 0);
}


/* vim:set ts=4 sw=4 et: */

Coverage Report

Created: 2026-02-14 06:27

Line	Count	Source
1		/* lzo1c_9x.c -- implementation of the LZO1C-999 compression algorithm
2
3		This file is part of the LZO real-time data compression library.
4
5		Copyright (C) 1996-2017 Markus Franz Xaver Johannes Oberhumer
6		All Rights Reserved.
7
8		The LZO library is free software; you can redistribute it and/or
9		modify it under the terms of the GNU General Public License as
10		published by the Free Software Foundation; either version 2 of
11		the License, or (at your option) any later version.
12
13		The LZO library is distributed in the hope that it will be useful,
14		but WITHOUT ANY WARRANTY; without even the implied warranty of
15		MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16		GNU General Public License for more details.
17
18		You should have received a copy of the GNU General Public License
19		along with the LZO library; see the file COPYING.
20		If not, write to the Free Software Foundation, Inc.,
21		51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
22
23		Markus F.X.J. Oberhumer
24		<markus@oberhumer.com>
25		http://www.oberhumer.com/opensource/lzo/
26		*/
27
28
29		#include "config1c.h"
30
31
32		/***********************************************************************
33		//
34		************************************************************************/
35
36	641	#define SWD_N 16383 /* size of ring buffer */
37	9.19M	#define SWD_THRESHOLD 2 /* lower limit for match length */
38	641	#define SWD_F 2048 /* upper limit for match length */
39
40
41		#define LZO1C 1
42	1.28k	#define LZO_COMPRESS_T lzo1c_999_t
43	641	#define lzo_swd_t lzo1c_999_swd_t
44		#include "lzo_mchw.ch"
45
46
47
48		/***********************************************************************
49		//
50		************************************************************************/
51
52		static lzo_bytep
53		code_match ( LZO_COMPRESS_T *c, lzo_bytep op, lzo_uint m_len, lzo_uint m_off )
54	99.2k	{
55	99.2k	if (m_len <= M2_MAX_LEN && m_off <= M2_MAX_OFFSET)
56	69.5k	{
57	69.5k	assert(m_len >= M2_MIN_LEN);
58	69.5k	assert(m_off >= M2_MIN_OFFSET);
59
60	69.5k	m_off -= M2_MIN_OFFSET;
61		/* code match len + low offset bits */
62	69.5k	*op++ = LZO_BYTE(((m_len - (M2_MIN_LEN - 2)) << M2O_BITS) \|
63	69.5k	(m_off & M2O_MASK));
64		/* code high offset bits */
65	69.5k	*op++ = LZO_BYTE(m_off >> M2O_BITS);
66	69.5k	c->m2_m++;
67	69.5k	}
68	29.6k	else
69	29.6k	{
70	29.6k	assert(m_len >= M3_MIN_LEN);
71	29.6k	assert(m_off <= M3_MAX_OFFSET);
72
73	29.6k	m_off -= M3_MIN_OFFSET - M3_EOF_OFFSET;
74		/* code match len */
75	29.6k	if (m_len <= M3_MAX_LEN)
76	19.5k	*op++ = LZO_BYTE(M3_MARKER \| (m_len - (M3_MIN_LEN - 1)));
77	10.1k	else
78	10.1k	{
79	10.1k	assert(m_len >= M4_MIN_LEN);
80		/* code M4 match len flag */
81	10.1k	*op++ = M4_MARKER;
82		/* code match len */
83	10.1k	m_len -= M4_MIN_LEN - 1;
84	23.4k	while (m_len > 255)
85	13.3k	{
86	13.3k	m_len -= 255;
87	13.3k	*op++ = 0;
88	13.3k	}
89	10.1k	assert(m_len > 0);
90	10.1k	*op++ = LZO_BYTE(m_len);
91	10.1k	}
92		/* code low offset bits */
93	29.6k	*op++ = LZO_BYTE(m_off & M3O_MASK);
94		/* code high offset bits */
95	29.6k	*op++ = LZO_BYTE(m_off >> M3O_BITS);
96
97	29.6k	c->r1_m_len = 0;
98	29.6k	c->m3 = op;
99	29.6k	c->m3_m++;
100	29.6k	}
101	99.2k	return op;
102	99.2k	}
103
104
105		/***********************************************************************
106		// this is a public function, but there is no prototype in a header file
107		************************************************************************/
108
109		LZO_EXTERN(int)
110		lzo1c_999_compress_callback ( const lzo_bytep in , lzo_uint in_len,
111		lzo_bytep out, lzo_uintp out_len,
112		lzo_voidp wrkmem,
113		lzo_callback_p cb,
114		lzo_uint max_chain );
115
116		LZO_PUBLIC(int)
117		lzo1c_999_compress_callback ( const lzo_bytep in , lzo_uint in_len,
118		lzo_bytep out, lzo_uintp out_len,
119		lzo_voidp wrkmem,
120		lzo_callback_p cb,
121		lzo_uint max_chain )
122	641	{
123	641	lzo_bytep op;
124	641	const lzo_bytep ii;
125	641	lzo_uint lit;
126	641	lzo_uint m_len, m_off;
127	641	LZO_COMPRESS_T cc;
128	641	LZO_COMPRESS_T * const c = &cc;
129	641	lzo_swd_p const swd = (lzo_swd_p) wrkmem;
130	641	int r;
131
132		/* sanity check */
133	641	LZO_COMPILE_TIME_ASSERT(LZO1C_999_MEM_COMPRESS >= SIZEOF_LZO_SWD_T)
134
135	641	c->init = 0;
136	641	c->ip = c->in = in;
137	641	c->in_end = in + in_len;
138	641	c->cb = cb;
139	641	c->r1_r = c->m3_r = c->m2_m = c->m3_m = 0;
140
141	641	op = out;
142	641	ii = c->ip; /* point to start of literal run */
143	641	lit = 0;
144	641	c->r1_m_len = 0;
145	641	c->m3 = out + 1; /* pointer after last m3/m4 match */
146
147	641	r = init_match(c,swd,NULL,0,0);
148	641	if (r != 0)
149	0	return r;
150	641	if (max_chain > 0)
151	0	swd->max_chain = max_chain;
152
153	641	r = find_match(c,swd,0,0);
154	641	if (r != 0)
155	0	return r;
156	9.12M	while (c->look > 0)
157	9.12M	{
158	9.12M	int lazy_match_min_gain = -1;
159	9.12M	lzo_uint ahead = 0;
160
161	9.12M	m_len = c->m_len;
162	9.12M	m_off = c->m_off;
163
164		#if 0
165		printf("%5ld: %5d len:%3d off:%5d\n", (c->ip-c->look)-in, c->look,
166		m_len, m_off);
167		#endif
168
169	9.12M	assert(c->ip - c->look >= in);
170	9.12M	if (lit == 0)
171	99.6k	ii = c->ip - c->look;
172	9.12M	assert(ii + lit == c->ip - c->look);
173	9.12M	assert(swd->b_char == *(c->ip - c->look));
174
175	9.12M	if ((m_len < M2_MIN_LEN) \|\|
176	118k	(m_len < M3_MIN_LEN && m_off > M2_MAX_OFFSET))
177	9.01M	{
178	9.01M	m_len = 0;
179	9.01M	}
180	114k	else
181	114k	{
182	114k	assert(c->ip - c->look - m_off >= in);
183	114k	assert(c->ip - c->look - m_off + m_len < c->ip);
184	114k	assert(lzo_memcmp(c->ip - c->look, c->ip - c->look - m_off,
185	114k	m_len) == 0);
186
187	114k	if (lit > 0)
188	73.6k	{
189		/* we have a current literal run: do not try a lazy match,
190		if the literal could be coded into a r1 or m3 match */
191	73.6k	if (lit == 1 && c->r1_m_len == M2_MIN_LEN)
192	9.01k	lazy_match_min_gain = -1;
193	64.6k	else if (lit == 3 && op == c->m3)
194	2.97k	lazy_match_min_gain = -1;
195	61.6k	else if (lit < 3 && op == c->m3)
196	15.8k	lazy_match_min_gain = 0;
197	45.8k	else
198	45.8k	lazy_match_min_gain = 1;
199
200		#if (M2_MIN_LEN == 2)
201		if (m_len == 2)
202		{
203		/* don't code a match of len 2 if we have to
204		code a literal run. Code a literal instead. */
205		m_len = 0;
206		}
207		#endif
208		#if (M2_MIN_LEN == M3_MIN_LEN)
209		if (m_len == M2_MIN_LEN && m_off > M2_MAX_OFFSET)
210		{
211		/* don't code a M3 match of len 3 if we have to
212		code a literal run. Code a literal instead. */
213		m_len = 0;
214		}
215		#endif
216	73.6k	}
217	41.2k	else
218	41.2k	{
219		/* no current literal run: only try a lazy match,
220		if the literal could be coded into a r1 or m3 match */
221	41.2k	if (c->r1_m_len == M2_MIN_LEN \|\| op == c->m3)
222	21.9k	lazy_match_min_gain = 0;
223	19.3k	else
224	19.3k	lazy_match_min_gain = -1;
225	41.2k	}
226	114k	}
227
228
229		/* try a lazy match */
230	9.12M	if (m_len == 0)
231	9.01M	lazy_match_min_gain = -1;
232	9.12M	if (lazy_match_min_gain >= 0 && c->look > m_len)
233	83.3k	{
234	83.3k	assert(m_len > 0);
235
236	83.3k	r = find_match(c,swd,1,0);
237	83.3k	assert(r == 0); LZO_UNUSED(r);
238	83.3k	assert(c->look > 0);
239
240	83.3k	if (m_len <= M2_MAX_LEN && m_off <= M2_MAX_OFFSET &&
241	53.8k	c->m_off > M2_MAX_OFFSET)
242	1.06k	lazy_match_min_gain += 1;
243
244	83.3k	if (c->m_len >= m_len + lazy_match_min_gain)
245	15.6k	{
246	15.6k	c->lazy++;
247		#if !defined(NDEBUG)
248		m_len = c->m_len;
249		m_off = c->m_off;
250		assert(lzo_memcmp(c->ip - c->look, c->ip - c->look - m_off,
251		m_len) == 0);
252		#endif
253	15.6k	lit++;
254	15.6k	assert(ii + lit == c->ip - c->look);
255	15.6k	continue;
256	15.6k	}
257	67.7k	else
258	67.7k	{
259	67.7k	ahead = 1;
260	67.7k	assert(ii + lit + 1 == c->ip - c->look);
261	67.7k	}
262	83.3k	assert(m_len > 0);
263	67.7k	}
264	9.12M	assert(ii + lit + ahead == c->ip - c->look);
265
266
267	9.11M	if (m_len == 0)
268	9.01M	{
269		/* a literal */
270	9.01M	lit++;
271	9.01M	r = find_match(c,swd,1,0);
272	9.01M	assert(r == 0); LZO_UNUSED(r);
273	9.01M	}
274	99.2k	else
275	99.2k	{
276		/* 1 - store run */
277	99.2k	if (lit > 0)
278	64.9k	{
279		/* code current literal run */
280	64.9k	if (lit == 1 && c->r1_m_len == M2_MIN_LEN)
281	9.01k	{
282		/* Code a context sensitive R1 match. */
283	9.01k	assert((op[-2] >> M2O_BITS) == (M2_MARKER >> M2O_BITS));
284	9.01k	op[-2] &= M2O_MASK;
285	9.01k	assert((op[-2] >> M2O_BITS) == 0);
286		/* copy 1 literal */
287	9.01k	op++ = ii++;
288	9.01k	assert(ii + ahead == c->ip - c->look);
289	9.01k	c->r1_r++;
290	9.01k	}
291	55.9k	else if (lit < 4 && op == c->m3)
292	14.1k	{
293	14.1k	assert((c->m3[-2] >> M3O_BITS) == 0);
294	14.1k	c->m3[-2] = LZO_BYTE(c->m3[-2] \| (lit << M3O_BITS));
295	14.1k	MEMCPY_DS(op, ii, lit);
296	14.1k	assert(ii + ahead == c->ip - c->look);
297	14.1k	c->m3_r++;
298	14.1k	}
299	41.7k	else
300	41.7k	{
301	41.7k	op = STORE_RUN(op,ii,lit);
302	41.7k	}
303	64.9k	if (lit < R0FAST)
304	62.7k	c->r1_m_len = m_len;
305	2.22k	else
306	2.22k	c->r1_m_len = 0;
307	64.9k	lit = 0;
308	64.9k	}
309	34.3k	else
310	34.3k	c->r1_m_len = 0;
311
312		/* 2 - code match */
313	99.2k	op = code_match(c,op,m_len,m_off);
314	99.2k	r = find_match(c,swd,m_len,1+ahead);
315	99.2k	assert(r == 0); LZO_UNUSED(r);
316	99.2k	}
317
318	9.11M	c->codesize = pd(op, out);
319	9.11M	}
320
321
322		/* store final run */
323	641	if (lit > 0)
324	372	op = STORE_RUN(op,ii,lit);
325
326	641	#if defined(LZO_EOF_CODE)
327	641	*op++ = M3_MARKER \| 1;
328	641	*op++ = 0;
329	641	*op++ = 0;
330	641	#endif
331
332	641	c->codesize = pd(op, out);
333	641	assert(c->textsize == in_len);
334
335	641	*out_len = pd(op, out);
336
337	641	if (c->cb && c->cb->nprogress)
338	0	(*c->cb->nprogress)(c->cb, c->textsize, c->codesize, 0);
339
340		#if 0
341		printf("%ld %ld -> %ld: %ld %ld %ld %ld %ld\n",
342		(long) c->textsize, (long)in_len, (long) c->codesize,
343		c->r1_r, c->m3_r, c->m2_m, c->m3_m, c->lazy);
344		#endif
345	641	return LZO_E_OK;
346	641	}
347
348
349
350		/***********************************************************************
351		//
352		************************************************************************/
353
354		LZO_PUBLIC(int)
355		lzo1c_999_compress ( const lzo_bytep in , lzo_uint in_len,
356		lzo_bytep out, lzo_uintp out_len,
357		lzo_voidp wrkmem )
358	641	{
359	641	return lzo1c_999_compress_callback(in,in_len,out,out_len,wrkmem,
360	641	(lzo_callback_p) 0, 0);
361	641	}
362
363
364		/* vim:set ts=4 sw=4 et: */