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
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
|
/*
* $Header: /cvsroot/arc/arc/arclst.c,v 1.2 2003/10/31 02:22:36 highlandsun Exp $
*/
/* ARC - Archive utility - ARCLST
Version 2.39, created on 04/22/87 at 13:48:29
(C) COPYRIGHT 1985-87 by System Enhancement Associates.
You may copy and distribute this program freely,
under the terms of the General Public License.
By: Thom Henderson
Description:
This file contains the routines used to list the contents
of an archive.
Language:
Computer Innovations Optimizing C86
*/
#include <stdio.h>
#include "arc.h"
VOID rempath(), openarc(), closearc();
int readhdr(), match();
static VOID lstfile();
VOID
lstarc(num, arg) /* list files in archive */
int num; /* number of arguments */
char *arg[]; /* pointers to arguments */
{
struct heads hdr; /* header data */
int list; /* true to list a file */
int did[MAXARG]; /* true when argument was used */
long tnum, tlen, tsize; /* totals */
int n; /* index */
tnum = tlen = tsize = 0;/* reset totals */
for (n = 0; n < num; n++) /* for each argument */
did[n] = 0; /* reset usage flag */
rempath(num, arg); /* strip off paths */
if (note && !kludge) {
printf("Name Length ");
if (bose)
printf(" Stowage SF Size now");
printf(" Date ");
if (bose)
printf(" Time CRC");
printf("\n");
printf("============ ========");
if (bose)
printf(" ======== ==== ========");
printf(" =========");
if (bose)
printf(" ====== ====");
printf("\n");
}
openarc(0); /* open archive for reading */
if (num) { /* if files were named */
while (readhdr(&hdr, arc)) { /* process all archive files */
list = 0; /* reset list flag */
for (n = 0; n < num; n++) { /* for each template
* given */
if (match(hdr.name, arg[n])) {
list = 1; /* turn on list flag */
did[n] = 1; /* turn on usage flag */
break; /* stop looking */
}
}
if (list) { /* if this file is wanted */
if (!kludge)
lstfile(&hdr); /* then tell about it */
tnum++; /* update totals */
tlen += hdr.length;
tsize += hdr.size;
}
fseek(arc, hdr.size, 1); /* move to next header */
}
} else
while (readhdr(&hdr, arc)) { /* else report on all files */
if (!kludge)
lstfile(&hdr);
tnum++; /* update totals */
tlen += hdr.length;
tsize += hdr.size;
fseek(arc, hdr.size, 1); /* skip to next header */
}
closearc(0); /* close archive after reading */
if (note && !kludge) {
printf(" ==== ========");
if (bose)
printf(" ==== ========");
printf("\n");
}
if (note) {
printf("Total %6ld %8ld", tnum, tlen);
if (bose) {
if (tlen)
printf(" %3ld%%", 100L - (100L * tsize) / tlen);
else
printf(" ---");
printf(" %8ld", tsize);
}
printf("\n");
for (n = 0; n < num; n++) { /* report unused args */
if (!did[n]) {
printf("File not found: %s\n", arg[n]);
nerrs++;
}
}
}
}
static VOID
lstfile(hdr) /* tell about a file */
struct heads *hdr; /* pointer to header data */
{
int yr, mo, dy; /* parts of a date */
int hh, mm; /* parts of a time */
static char *mon[] = /* month abbreviations */
{"???", /* For month == 0 */
"Jan", "Feb", "Mar", "Apr",
"May", "Jun", "Jul", "Aug",
"Sep", "Oct", "Nov", "Dec"
};
if (!note) { /* no notes means short listing */
printf("%s\n", hdr->name);
return;
}
yr = (hdr->date >> 9) & 0x7f; /* dissect the date */
mo = (hdr->date >> 5) & 0x0f;
if (mo > 12) /* just in case... */
mo = 0;
dy = hdr->date & 0x1f;
hh = (hdr->time >> 11) & 0x1f; /* dissect the time */
mm = (hdr->time >> 5) & 0x3f;
/* ss = (hdr->time & 0x1f) * 2; seconds, not used. */
printf("%-12s %8ld ", hdr->name, hdr->length);
if (bose) {
switch (hdrver) {
case 1:
case 2:
printf(" -- ");
break;
case 3:
printf(" Packed ");
break;
case 4:
printf("Squeezed");
break;
case 5:
case 6:
case 7:
printf("crunched");
break;
case 8:
printf("Crunched");
break;
case 9:
printf("Squashed");
break;
default:
printf("Unknown!");
}
if (hdr->length)
printf(" %3ld%%", 100L - (100L * hdr->size) / hdr->length);
else
printf(" ---");
printf(" %8ld ", hdr->size);
}
printf("%2d %3s %02d", dy, mon[mo], (yr + 80) % 100);
if (bose)
printf(" %2d:%02d%c %04x",
(hh > 12 ? hh - 12 : hh), mm, (hh > 11 ? 'p' : 'a'),
hdr->crc & 0xffff);
printf("\n");
}
|
