Mercurial > 510Connectbot
annotate src/com/jcraft/jzlib/InfCodes.java @ 361:395a16681ae1
add help files to the web documentation
author | Carl Byington <carl@five-ten-sg.com> |
---|---|
date | Mon, 04 Aug 2014 08:23:36 -0700 |
parents | 46c2115ae1c8 |
children |
rev | line source |
---|---|
0 | 1 /* -*-mode:java; c-basic-offset:2; -*- */ |
2 /* | |
3 Copyright (c) 2000,2001,2002,2003 ymnk, JCraft,Inc. All rights reserved. | |
4 | |
5 Redistribution and use in source and binary forms, with or without | |
6 modification, are permitted provided that the following conditions are met: | |
7 | |
8 1. Redistributions of source code must retain the above copyright notice, | |
9 this list of conditions and the following disclaimer. | |
10 | |
357
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
11 2. Redistributions in binary form must reproduce the above copyright |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
12 notice, this list of conditions and the following disclaimer in |
0 | 13 the documentation and/or other materials provided with the distribution. |
14 | |
15 3. The names of the authors may not be used to endorse or promote products | |
16 derived from this software without specific prior written permission. | |
17 | |
18 THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES, | |
19 INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND | |
20 FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL JCRAFT, | |
21 INC. OR ANY CONTRIBUTORS TO THIS SOFTWARE BE LIABLE FOR ANY DIRECT, INDIRECT, | |
22 INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
23 LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, | |
24 OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF | |
25 LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING | |
26 NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, | |
27 EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
28 */ | |
29 /* | |
30 * This program is based on zlib-1.1.3, so all credit should go authors | |
31 * Jean-loup Gailly(jloup@gzip.org) and Mark Adler(madler@alumni.caltech.edu) | |
32 * and contributors of zlib. | |
33 */ | |
34 | |
35 package com.jcraft.jzlib; | |
36 | |
357
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
37 final class InfCodes{ |
0 | 38 |
357
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
39 static final private int[] inflate_mask = { |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
40 0x00000000, 0x00000001, 0x00000003, 0x00000007, 0x0000000f, |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
41 0x0000001f, 0x0000003f, 0x0000007f, 0x000000ff, 0x000001ff, |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
42 0x000003ff, 0x000007ff, 0x00000fff, 0x00001fff, 0x00003fff, |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
43 0x00007fff, 0x0000ffff |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
44 }; |
0 | 45 |
357
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
46 static final private int Z_OK=0; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
47 static final private int Z_STREAM_END=1; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
48 static final private int Z_NEED_DICT=2; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
49 static final private int Z_ERRNO=-1; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
50 static final private int Z_STREAM_ERROR=-2; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
51 static final private int Z_DATA_ERROR=-3; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
52 static final private int Z_MEM_ERROR=-4; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
53 static final private int Z_BUF_ERROR=-5; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
54 static final private int Z_VERSION_ERROR=-6; |
0 | 55 |
357
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
56 // waiting for "i:"=input, |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
57 // "o:"=output, |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
58 // "x:"=nothing |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
59 static final private int START=0; // x: set up for LEN |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
60 static final private int LEN=1; // i: get length/literal/eob next |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
61 static final private int LENEXT=2; // i: getting length extra (have base) |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
62 static final private int DIST=3; // i: get distance next |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
63 static final private int DISTEXT=4;// i: getting distance extra |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
64 static final private int COPY=5; // o: copying bytes in window, waiting for space |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
65 static final private int LIT=6; // o: got literal, waiting for output space |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
66 static final private int WASH=7; // o: got eob, possibly still output waiting |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
67 static final private int END=8; // x: got eob and all data flushed |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
68 static final private int BADCODE=9;// x: got error |
0 | 69 |
357
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
70 int mode; // current inflate_codes mode |
0 | 71 |
357
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
72 // mode dependent information |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
73 int len; |
0 | 74 |
357
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
75 int[] tree; // pointer into tree |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
76 int tree_index=0; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
77 int need; // bits needed |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
78 |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
79 int lit; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
80 |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
81 // if EXT or COPY, where and how much |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
82 int get; // bits to get for extra |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
83 int dist; // distance back to copy from |
0 | 84 |
357
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
85 byte lbits; // ltree bits decoded per branch |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
86 byte dbits; // dtree bits decoder per branch |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
87 int[] ltree; // literal/length/eob tree |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
88 int ltree_index; // literal/length/eob tree |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
89 int[] dtree; // distance tree |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
90 int dtree_index; // distance tree |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
91 |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
92 private final ZStream z; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
93 private final InfBlocks s; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
94 InfCodes(ZStream z, InfBlocks s){ |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
95 this.z=z; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
96 this.s=s; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
97 } |
0 | 98 |
357
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
99 void init(int bl, int bd, |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
100 int[] tl, int tl_index, |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
101 int[] td, int td_index){ |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
102 mode=START; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
103 lbits=(byte)bl; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
104 dbits=(byte)bd; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
105 ltree=tl; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
106 ltree_index=tl_index; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
107 dtree = td; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
108 dtree_index=td_index; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
109 tree=null; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
110 } |
0 | 111 |
357
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
112 int proc(int r){ |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
113 int j; // temporary storage |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
114 int[] t; // temporary pointer |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
115 int tindex; // temporary pointer |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
116 int e; // extra bits or operation |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
117 int b=0; // bit buffer |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
118 int k=0; // bits in bit buffer |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
119 int p=0; // input data pointer |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
120 int n; // bytes available there |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
121 int q; // output window write pointer |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
122 int m; // bytes to end of window or read pointer |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
123 int f; // pointer to copy strings from |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
124 |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
125 // copy input/output information to locals (UPDATE macro restores) |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
126 p=z.next_in_index;n=z.avail_in;b=s.bitb;k=s.bitk; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
127 q=s.write;m=q<s.read?s.read-q-1:s.end-q; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
128 |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
129 // process input and output based on current state |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
130 while (true){ |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
131 switch (mode){ |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
132 // waiting for "i:"=input, "o:"=output, "x:"=nothing |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
133 case START: // x: set up for LEN |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
134 if (m >= 258 && n >= 10){ |
0 | 135 |
357
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
136 s.bitb=b;s.bitk=k; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
137 z.avail_in=n;z.total_in+=p-z.next_in_index;z.next_in_index=p; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
138 s.write=q; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
139 r = inflate_fast(lbits, dbits, |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
140 ltree, ltree_index, |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
141 dtree, dtree_index, |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
142 s, z); |
0 | 143 |
357
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
144 p=z.next_in_index;n=z.avail_in;b=s.bitb;k=s.bitk; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
145 q=s.write;m=q<s.read?s.read-q-1:s.end-q; |
0 | 146 |
357
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
147 if (r != Z_OK){ |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
148 mode = r == Z_STREAM_END ? WASH : BADCODE; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
149 break; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
150 } |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
151 } |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
152 need = lbits; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
153 tree = ltree; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
154 tree_index=ltree_index; |
0 | 155 |
357
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
156 mode = LEN; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
157 case LEN: // i: get length/literal/eob next |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
158 j = need; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
159 |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
160 while(k<(j)){ |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
161 if(n!=0)r=Z_OK; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
162 else{ |
0 | 163 |
357
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
164 s.bitb=b;s.bitk=k; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
165 z.avail_in=n;z.total_in+=p-z.next_in_index;z.next_in_index=p; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
166 s.write=q; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
167 return s.inflate_flush(r); |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
168 } |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
169 n--; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
170 b|=(z.next_in[p++]&0xff)<<k; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
171 k+=8; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
172 } |
0 | 173 |
357
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
174 tindex=(tree_index+(b&inflate_mask[j]))*3; |
0 | 175 |
357
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
176 b>>>=(tree[tindex+1]); |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
177 k-=(tree[tindex+1]); |
0 | 178 |
357
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
179 e=tree[tindex]; |
0 | 180 |
357
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
181 if(e == 0){ // literal |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
182 lit = tree[tindex+2]; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
183 mode = LIT; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
184 break; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
185 } |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
186 if((e & 16)!=0 ){ // length |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
187 get = e & 15; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
188 len = tree[tindex+2]; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
189 mode = LENEXT; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
190 break; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
191 } |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
192 if ((e & 64) == 0){ // next table |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
193 need = e; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
194 tree_index = tindex/3+tree[tindex+2]; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
195 break; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
196 } |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
197 if ((e & 32)!=0){ // end of block |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
198 mode = WASH; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
199 break; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
200 } |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
201 mode = BADCODE; // invalid code |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
202 z.msg = "invalid literal/length code"; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
203 r = Z_DATA_ERROR; |
0 | 204 |
357
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
205 s.bitb=b;s.bitk=k; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
206 z.avail_in=n;z.total_in+=p-z.next_in_index;z.next_in_index=p; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
207 s.write=q; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
208 return s.inflate_flush(r); |
0 | 209 |
357
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
210 case LENEXT: // i: getting length extra (have base) |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
211 j = get; |
0 | 212 |
357
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
213 while(k<(j)){ |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
214 if(n!=0)r=Z_OK; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
215 else{ |
0 | 216 |
357
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
217 s.bitb=b;s.bitk=k; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
218 z.avail_in=n;z.total_in+=p-z.next_in_index;z.next_in_index=p; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
219 s.write=q; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
220 return s.inflate_flush(r); |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
221 } |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
222 n--; b|=(z.next_in[p++]&0xff)<<k; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
223 k+=8; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
224 } |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
225 |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
226 len += (b & inflate_mask[j]); |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
227 |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
228 b>>=j; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
229 k-=j; |
0 | 230 |
357
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
231 need = dbits; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
232 tree = dtree; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
233 tree_index=dtree_index; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
234 mode = DIST; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
235 case DIST: // i: get distance next |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
236 j = need; |
0 | 237 |
357
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
238 while(k<(j)){ |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
239 if(n!=0)r=Z_OK; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
240 else{ |
0 | 241 |
357
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
242 s.bitb=b;s.bitk=k; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
243 z.avail_in=n;z.total_in+=p-z.next_in_index;z.next_in_index=p; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
244 s.write=q; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
245 return s.inflate_flush(r); |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
246 } |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
247 n--; b|=(z.next_in[p++]&0xff)<<k; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
248 k+=8; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
249 } |
0 | 250 |
357
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
251 tindex=(tree_index+(b & inflate_mask[j]))*3; |
0 | 252 |
357
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
253 b>>=tree[tindex+1]; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
254 k-=tree[tindex+1]; |
0 | 255 |
357
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
256 e = (tree[tindex]); |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
257 if((e & 16)!=0){ // distance |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
258 get = e & 15; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
259 dist = tree[tindex+2]; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
260 mode = DISTEXT; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
261 break; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
262 } |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
263 if ((e & 64) == 0){ // next table |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
264 need = e; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
265 tree_index = tindex/3 + tree[tindex+2]; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
266 break; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
267 } |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
268 mode = BADCODE; // invalid code |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
269 z.msg = "invalid distance code"; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
270 r = Z_DATA_ERROR; |
0 | 271 |
357
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
272 s.bitb=b;s.bitk=k; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
273 z.avail_in=n;z.total_in+=p-z.next_in_index;z.next_in_index=p; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
274 s.write=q; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
275 return s.inflate_flush(r); |
0 | 276 |
357
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
277 case DISTEXT: // i: getting distance extra |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
278 j = get; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
279 |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
280 while(k<(j)){ |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
281 if(n!=0)r=Z_OK; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
282 else{ |
0 | 283 |
357
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
284 s.bitb=b;s.bitk=k; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
285 z.avail_in=n;z.total_in+=p-z.next_in_index;z.next_in_index=p; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
286 s.write=q; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
287 return s.inflate_flush(r); |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
288 } |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
289 n--; b|=(z.next_in[p++]&0xff)<<k; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
290 k+=8; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
291 } |
0 | 292 |
357
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
293 dist += (b & inflate_mask[j]); |
0 | 294 |
357
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
295 b>>=j; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
296 k-=j; |
0 | 297 |
357
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
298 mode = COPY; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
299 case COPY: // o: copying bytes in window, waiting for space |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
300 f = q - dist; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
301 while(f < 0){ // modulo window size-"while" instead |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
302 f += s.end; // of "if" handles invalid distances |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
303 } |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
304 while (len!=0){ |
0 | 305 |
357
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
306 if(m==0){ |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
307 if(q==s.end&&s.read!=0){q=0;m=q<s.read?s.read-q-1:s.end-q;} |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
308 if(m==0){ |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
309 s.write=q; r=s.inflate_flush(r); |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
310 q=s.write;m=q<s.read?s.read-q-1:s.end-q; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
311 |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
312 if(q==s.end&&s.read!=0){q=0;m=q<s.read?s.read-q-1:s.end-q;} |
0 | 313 |
357
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
314 if(m==0){ |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
315 s.bitb=b;s.bitk=k; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
316 z.avail_in=n;z.total_in+=p-z.next_in_index;z.next_in_index=p; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
317 s.write=q; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
318 return s.inflate_flush(r); |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
319 } |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
320 } |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
321 } |
0 | 322 |
357
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
323 s.window[q++]=s.window[f++]; m--; |
0 | 324 |
357
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
325 if (f == s.end) |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
326 f = 0; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
327 len--; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
328 } |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
329 mode = START; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
330 break; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
331 case LIT: // o: got literal, waiting for output space |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
332 if(m==0){ |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
333 if(q==s.end&&s.read!=0){q=0;m=q<s.read?s.read-q-1:s.end-q;} |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
334 if(m==0){ |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
335 s.write=q; r=s.inflate_flush(r); |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
336 q=s.write;m=q<s.read?s.read-q-1:s.end-q; |
0 | 337 |
357
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
338 if(q==s.end&&s.read!=0){q=0;m=q<s.read?s.read-q-1:s.end-q;} |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
339 if(m==0){ |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
340 s.bitb=b;s.bitk=k; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
341 z.avail_in=n;z.total_in+=p-z.next_in_index;z.next_in_index=p; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
342 s.write=q; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
343 return s.inflate_flush(r); |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
344 } |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
345 } |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
346 } |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
347 r=Z_OK; |
0 | 348 |
357
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
349 s.window[q++]=(byte)lit; m--; |
0 | 350 |
357
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
351 mode = START; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
352 break; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
353 case WASH: // o: got eob, possibly more output |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
354 if (k > 7){ // return unused byte, if any |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
355 k -= 8; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
356 n++; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
357 p--; // can always return one |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
358 } |
0 | 359 |
357
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
360 s.write=q; r=s.inflate_flush(r); |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
361 q=s.write;m=q<s.read?s.read-q-1:s.end-q; |
0 | 362 |
357
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
363 if (s.read != s.write){ |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
364 s.bitb=b;s.bitk=k; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
365 z.avail_in=n;z.total_in+=p-z.next_in_index;z.next_in_index=p; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
366 s.write=q; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
367 return s.inflate_flush(r); |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
368 } |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
369 mode = END; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
370 case END: |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
371 r = Z_STREAM_END; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
372 s.bitb=b;s.bitk=k; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
373 z.avail_in=n;z.total_in+=p-z.next_in_index;z.next_in_index=p; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
374 s.write=q; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
375 return s.inflate_flush(r); |
0 | 376 |
357
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
377 case BADCODE: // x: got error |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
378 |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
379 r = Z_DATA_ERROR; |
0 | 380 |
357
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
381 s.bitb=b;s.bitk=k; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
382 z.avail_in=n;z.total_in+=p-z.next_in_index;z.next_in_index=p; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
383 s.write=q; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
384 return s.inflate_flush(r); |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
385 |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
386 default: |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
387 r = Z_STREAM_ERROR; |
0 | 388 |
357
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
389 s.bitb=b;s.bitk=k; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
390 z.avail_in=n;z.total_in+=p-z.next_in_index;z.next_in_index=p; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
391 s.write=q; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
392 return s.inflate_flush(r); |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
393 } |
0 | 394 } |
357
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
395 } |
0 | 396 |
357
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
397 void free(ZStream z){ |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
398 // ZFREE(z, c); |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
399 } |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
400 |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
401 // Called with number of bytes left to write in window at least 258 |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
402 // (the maximum string length) and number of input bytes available |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
403 // at least ten. The ten bytes are six bytes for the longest length/ |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
404 // distance pair plus four bytes for overloading the bit buffer. |
0 | 405 |
357
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
406 int inflate_fast(int bl, int bd, |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
407 int[] tl, int tl_index, |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
408 int[] td, int td_index, |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
409 InfBlocks s, ZStream z){ |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
410 int t; // temporary pointer |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
411 int[] tp; // temporary pointer |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
412 int tp_index; // temporary pointer |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
413 int e; // extra bits or operation |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
414 int b; // bit buffer |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
415 int k; // bits in bit buffer |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
416 int p; // input data pointer |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
417 int n; // bytes available there |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
418 int q; // output window write pointer |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
419 int m; // bytes to end of window or read pointer |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
420 int ml; // mask for literal/length tree |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
421 int md; // mask for distance tree |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
422 int c; // bytes to copy |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
423 int d; // distance back to copy from |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
424 int r; // copy source pointer |
0 | 425 |
357
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
426 int tp_index_t_3; // (tp_index+t)*3 |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
427 |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
428 // load input, output, bit values |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
429 p=z.next_in_index;n=z.avail_in;b=s.bitb;k=s.bitk; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
430 q=s.write;m=q<s.read?s.read-q-1:s.end-q; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
431 |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
432 // initialize masks |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
433 ml = inflate_mask[bl]; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
434 md = inflate_mask[bd]; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
435 |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
436 // do until not enough input or output space for fast loop |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
437 do { // assume called with m >= 258 && n >= 10 |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
438 // get literal/length code |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
439 while(k<(20)){ // max bits for literal/length code |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
440 n--; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
441 b|=(z.next_in[p++]&0xff)<<k;k+=8; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
442 } |
0 | 443 |
357
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
444 t= b&ml; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
445 tp=tl; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
446 tp_index=tl_index; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
447 tp_index_t_3=(tp_index+t)*3; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
448 if ((e = tp[tp_index_t_3]) == 0){ |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
449 b>>=(tp[tp_index_t_3+1]); k-=(tp[tp_index_t_3+1]); |
0 | 450 |
357
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
451 s.window[q++] = (byte)tp[tp_index_t_3+2]; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
452 m--; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
453 continue; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
454 } |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
455 do { |
0 | 456 |
357
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
457 b>>=(tp[tp_index_t_3+1]); k-=(tp[tp_index_t_3+1]); |
0 | 458 |
357
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
459 if((e&16)!=0){ |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
460 e &= 15; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
461 c = tp[tp_index_t_3+2] + ((int)b & inflate_mask[e]); |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
462 |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
463 b>>=e; k-=e; |
0 | 464 |
357
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
465 // decode distance base of block to copy |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
466 while(k<(15)){ // max bits for distance code |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
467 n--; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
468 b|=(z.next_in[p++]&0xff)<<k;k+=8; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
469 } |
0 | 470 |
357
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
471 t= b&md; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
472 tp=td; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
473 tp_index=td_index; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
474 tp_index_t_3=(tp_index+t)*3; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
475 e = tp[tp_index_t_3]; |
0 | 476 |
357
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
477 do { |
0 | 478 |
357
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
479 b>>=(tp[tp_index_t_3+1]); k-=(tp[tp_index_t_3+1]); |
0 | 480 |
357
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
481 if((e&16)!=0){ |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
482 // get extra bits to add to distance base |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
483 e &= 15; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
484 while(k<(e)){ // get extra bits (up to 13) |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
485 n--; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
486 b|=(z.next_in[p++]&0xff)<<k;k+=8; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
487 } |
0 | 488 |
357
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
489 d = tp[tp_index_t_3+2] + (b&inflate_mask[e]); |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
490 |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
491 b>>=(e); k-=(e); |
0 | 492 |
357
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
493 // do the copy |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
494 m -= c; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
495 if (q >= d){ // offset before dest |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
496 // just copy |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
497 r=q-d; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
498 if(q-r>0 && 2>(q-r)){ |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
499 s.window[q++]=s.window[r++]; // minimum count is three, |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
500 s.window[q++]=s.window[r++]; // so unroll loop a little |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
501 c-=2; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
502 } |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
503 else{ |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
504 System.arraycopy(s.window, r, s.window, q, 2); |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
505 q+=2; r+=2; c-=2; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
506 } |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
507 } |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
508 else{ // else offset after destination |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
509 r=q-d; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
510 do{ |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
511 r+=s.end; // force pointer in window |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
512 }while(r<0); // covers invalid distances |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
513 e=s.end-r; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
514 if(c>e){ // if source crosses, |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
515 c-=e; // wrapped copy |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
516 if(q-r>0 && e>(q-r)){ |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
517 do{s.window[q++] = s.window[r++];} |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
518 while(--e!=0); |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
519 } |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
520 else{ |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
521 System.arraycopy(s.window, r, s.window, q, e); |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
522 q+=e; r+=e; e=0; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
523 } |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
524 r = 0; // copy rest from start of window |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
525 } |
0 | 526 |
357
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
527 } |
0 | 528 |
357
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
529 // copy all or what's left |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
530 if(q-r>0 && c>(q-r)){ |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
531 do{s.window[q++] = s.window[r++];} |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
532 while(--c!=0); |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
533 } |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
534 else{ |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
535 System.arraycopy(s.window, r, s.window, q, c); |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
536 q+=c; r+=c; c=0; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
537 } |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
538 break; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
539 } |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
540 else if((e&64)==0){ |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
541 t+=tp[tp_index_t_3+2]; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
542 t+=(b&inflate_mask[e]); |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
543 tp_index_t_3=(tp_index+t)*3; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
544 e=tp[tp_index_t_3]; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
545 } |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
546 else{ |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
547 z.msg = "invalid distance code"; |
0 | 548 |
357
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
549 c=z.avail_in-n;c=(k>>3)<c?k>>3:c;n+=c;p-=c;k-=c<<3; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
550 |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
551 s.bitb=b;s.bitk=k; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
552 z.avail_in=n;z.total_in+=p-z.next_in_index;z.next_in_index=p; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
553 s.write=q; |
0 | 554 |
357
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
555 return Z_DATA_ERROR; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
556 } |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
557 } |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
558 while(true); |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
559 break; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
560 } |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
561 |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
562 if((e&64)==0){ |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
563 t+=tp[tp_index_t_3+2]; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
564 t+=(b&inflate_mask[e]); |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
565 tp_index_t_3=(tp_index+t)*3; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
566 if((e=tp[tp_index_t_3])==0){ |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
567 |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
568 b>>=(tp[tp_index_t_3+1]); k-=(tp[tp_index_t_3+1]); |
0 | 569 |
357
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
570 s.window[q++]=(byte)tp[tp_index_t_3+2]; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
571 m--; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
572 break; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
573 } |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
574 } |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
575 else if((e&32)!=0){ |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
576 |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
577 c=z.avail_in-n;c=(k>>3)<c?k>>3:c;n+=c;p-=c;k-=c<<3; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
578 |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
579 s.bitb=b;s.bitk=k; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
580 z.avail_in=n;z.total_in+=p-z.next_in_index;z.next_in_index=p; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
581 s.write=q; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
582 |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
583 return Z_STREAM_END; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
584 } |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
585 else{ |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
586 z.msg="invalid literal/length code"; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
587 |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
588 c=z.avail_in-n;c=(k>>3)<c?k>>3:c;n+=c;p-=c;k-=c<<3; |
0 | 589 |
357
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
590 s.bitb=b;s.bitk=k; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
591 z.avail_in=n;z.total_in+=p-z.next_in_index;z.next_in_index=p; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
592 s.write=q; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
593 |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
594 return Z_DATA_ERROR; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
595 } |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
596 } |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
597 while(true); |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
598 } |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
599 while(m>=258 && n>= 10); |
0 | 600 |
357
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
601 // not enough input or output--restore pointers and return |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
602 c=z.avail_in-n;c=(k>>3)<c?k>>3:c;n+=c;p-=c;k-=c<<3; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
603 |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
604 s.bitb=b;s.bitk=k; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
605 z.avail_in=n;z.total_in+=p-z.next_in_index;z.next_in_index=p; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
606 s.write=q; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
607 |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
608 return Z_OK; |
46c2115ae1c8
update jzlib to a21be20213d66eff15904d925e9b721956a01ef7
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
609 } |
0 | 610 } |