1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
|
#include "macunpack.h"
#ifdef JDW
#include "jdw.h"
#include "globals.h"
#include "huffman.h"
#include "../fileio/wrfile.h"
#include "../fileio/machdr.h"
#include "../util/util.h"
#include "../util/masks.h"
extern void de_huffman();
extern void set_huffman();
extern void read_tree();
extern void clrhuff();
static void jdw_wrfile();
static void jdw_wrfork();
static void jdw_block();
void jdw(ibytes)
unsigned long ibytes;
{
char fauth[5], ftype[5];
int filel, i;
unsigned int rsrcLength, dataLength;
set_huffman(HUFF_BE);
for(i = 0; i < 6; i++) (void)getb(infp);
for(i = 0; i < INFOBYTES; i++) {
info[i] = 0;
}
for(i = 0; i < 4; i++) {
info[I_TYPEOFF + i] = getb(infp);
}
for(i = 0; i < 4; i++) {
info[I_AUTHOFF + i] = getb(infp);
}
for(i = 0; i < 8; i++) {
info[I_FLAGOFF + i] = getb(infp);
}
for(i = 0; i < 4; i++) {
info[I_DLENOFF + i] = getb(infp);
}
for(i = 0; i < 4; i++) {
info[I_RLENOFF + i] = getb(infp);
}
for(i = 0; i < 4; i++) {
info[I_CTIMOFF + i] = getb(infp);
}
for(i = 0; i < 4; i++) {
info[I_MTIMOFF + i] = getb(infp);
}
filel = getb(infp);
info[I_NAMEOFF] = filel;
i = filel;
for(i = 1; i <= filel; i++) {
info[I_NAMEOFF + i] = getb(infp);
}
(void)getb(infp);
rsrcLength = get4(info + I_RLENOFF);
dataLength = get4(info + I_DLENOFF);
ibytes -= filel + 40;
write_it = 1;
if(list) {
transname(info + I_NAMEOFF + 1, text, (int)info[I_NAMEOFF]);
transname(info + I_TYPEOFF, ftype, 4);
transname(info + I_AUTHOFF, fauth, 4);
do_indent(indent);
(void)fprintf(stderr,
"name=\"%s\", type=%4.4s, author=%4.4s, data=%ld, rsrc=%ld",
text, ftype, fauth, (long)dataLength, (long)rsrcLength);
if(info_only) {
write_it = 0;
}
if(query) {
write_it = do_query();
} else {
(void)fputc('\n', stderr);
}
}
jdw_wrfile((unsigned long)rsrcLength, (unsigned long)dataLength);
}
static void jdw_wrfile(rsrcLength, dataLength)
unsigned long rsrcLength, dataLength;
{
if(write_it) {
define_name(text);
start_info(info, rsrcLength, dataLength);
start_data();
}
if(verbose) {
(void)fprintf(stderr, "\tData: ");
}
jdw_wrfork(dataLength);
if(write_it) {
start_rsrc();
}
if(verbose) {
(void)fprintf(stderr, ", Rsrc: ");
}
jdw_wrfork(rsrcLength);
if(write_it) {
end_file();
}
if(verbose) {
(void)fprintf(stderr, ".\n");
}
}
static void jdw_wrfork(length)
unsigned long length;
{
int olength, ilength, i;
unsigned long origlength, comprlength;
if(length == 0) {
(void)fprintf(stderr, "empty");
return;
}
(void)fprintf(stderr, "Huffman compressed ");
comprlength = 0;
origlength = length;
while(length > 0) {
olength = getb(infp) & BYTEMASK;
olength = (olength << 8) | (getb(infp) & BYTEMASK);
ilength = getb(infp) & BYTEMASK;
ilength = (ilength << 8) | (getb(infp) & BYTEMASK);
if(write_it) {
jdw_block(olength);
} else {
for(i = 0; i < ilength; i++) {
(void)getb(infp);
}
}
comprlength += ilength + 4;
length -= olength;
}
if(verbose) {
(void)fprintf(stderr, "(%4.1f%%)", 100.0 * comprlength / origlength);
}
}
static void jdw_block(olength)
int olength;
{
bytesread = 0;
read_tree();
/* Put reading back at a word boundary! */
while(bytesread & 3) {
(void)getb(infp);
bytesread++;
}
clrhuff();
de_huffman((unsigned long)olength);
}
#else /* JDW */
int jdw; /* keep lint and some compilers happy */
#endif /* JDW */
|
