2 |
- |
1 |
/* Copyright (C) 1995, 1996, 1998 Aladdin Enterprises. All rights reserved.
|
|
|
2 |
|
|
|
3 |
This software is provided AS-IS with no warranty, either express or
|
|
|
4 |
implied.
|
|
|
5 |
|
|
|
6 |
This software is distributed under license and may not be copied,
|
|
|
7 |
modified or distributed except as expressly authorized under the terms
|
|
|
8 |
of the license contained in the file LICENSE in this distribution.
|
|
|
9 |
|
|
|
10 |
For more information about licensing, please refer to
|
|
|
11 |
http://www.ghostscript.com/licensing/. For information on
|
|
|
12 |
commercial licensing, go to http://www.artifex.com/licensing/ or
|
|
|
13 |
contact Artifex Software, Inc., 101 Lucas Valley Road #110,
|
|
|
14 |
San Rafael, CA 94903, U.S.A., +1(415)492-9861.
|
|
|
15 |
*/
|
|
|
16 |
|
|
|
17 |
/* $Id: slzwc.c,v 1.4 2002/02/21 22:24:54 giles Exp $ */
|
|
|
18 |
/* Code common to LZW encoding and decoding streams */
|
|
|
19 |
#include "std.h"
|
|
|
20 |
#include "strimpl.h"
|
|
|
21 |
#include "slzwx.h"
|
|
|
22 |
|
|
|
23 |
/* Define the structure for the GC. */
|
|
|
24 |
public_st_LZW_state();
|
|
|
25 |
|
|
|
26 |
/* Set defaults */
|
|
|
27 |
void
|
|
|
28 |
s_LZW_set_defaults(stream_state * st)
|
|
|
29 |
{
|
|
|
30 |
stream_LZW_state *const ss = (stream_LZW_state *) st;
|
|
|
31 |
|
|
|
32 |
s_LZW_set_defaults_inline(ss);
|
|
|
33 |
}
|
|
|
34 |
|
|
|
35 |
/* Release a LZW filter. */
|
|
|
36 |
void
|
|
|
37 |
s_LZW_release(stream_state * st)
|
|
|
38 |
{
|
|
|
39 |
stream_LZW_state *const ss = (stream_LZW_state *) st;
|
|
|
40 |
|
|
|
41 |
gs_free_object(st->memory, ss->table.decode, "LZW(close)");
|
|
|
42 |
}
|