FreeCalypso > hg > freecalypso-reveng

annotate mpffs/cat.c @ 65:3890c2672fe0

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
atsc hack written
author Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
date Sun, 02 Feb 2014 08:45:56 +0000
parents 7ceab8bfacb3
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
35
ee4c761187cf mpffs-cat implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1 /*
ee4c761187cf mpffs-cat implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
2 * This module contains the main function and other code specific to mpffs-cat
ee4c761187cf mpffs-cat implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
3 */
ee4c761187cf mpffs-cat implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
4
ee4c761187cf mpffs-cat implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
5 #include <sys/types.h>
ee4c761187cf mpffs-cat implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
6 #include <ctype.h>
ee4c761187cf mpffs-cat implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
7 #include <stdio.h>
ee4c761187cf mpffs-cat implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
8 #include <string.h>
ee4c761187cf mpffs-cat implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
9 #include <strings.h>
ee4c761187cf mpffs-cat implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
10 #include <stdlib.h>
ee4c761187cf mpffs-cat implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
11 #include <unistd.h>
ee4c761187cf mpffs-cat implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
12 #include "types.h"
ee4c761187cf mpffs-cat implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
13 #include "struct.h"
ee4c761187cf mpffs-cat implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
14
ee4c761187cf mpffs-cat implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
15 extern char *imgfile;
ee4c761187cf mpffs-cat implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
16 extern int verbose;
ee4c761187cf mpffs-cat implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
17
37
8256eec598dd mpffs-cat: more sensible handling of -v
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 35
diff changeset
18 int cat_v;
8256eec598dd mpffs-cat: more sensible handling of -v
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 35
diff changeset
19
35
ee4c761187cf mpffs-cat implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
20 cat_chunk(chi)
ee4c761187cf mpffs-cat implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
21 struct chunkinfo *chi;
ee4c761187cf mpffs-cat implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
22 {
ee4c761187cf mpffs-cat implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
23 u8 *dp;
ee4c761187cf mpffs-cat implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
24 size_t len;
ee4c761187cf mpffs-cat implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
25 int c;
ee4c761187cf mpffs-cat implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
26
ee4c761187cf mpffs-cat implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
27 dp = chi->start;
ee4c761187cf mpffs-cat implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
28 len = chi->len;
ee4c761187cf mpffs-cat implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
29 while (len) {
ee4c761187cf mpffs-cat implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
30 c = *dp++;
37
8256eec598dd mpffs-cat: more sensible handling of -v
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 35
diff changeset
31 if (!cat_v || c >= ' ' && c <= '~' || c == '\n')
35
ee4c761187cf mpffs-cat implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
32 putchar(c);
ee4c761187cf mpffs-cat implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
33 else {
ee4c761187cf mpffs-cat implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
34 if (c & 0x80) {
ee4c761187cf mpffs-cat implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
35 putchar('M');
ee4c761187cf mpffs-cat implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
36 putchar('-');
ee4c761187cf mpffs-cat implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
37 c &= 0x7F;
ee4c761187cf mpffs-cat implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
38 }
ee4c761187cf mpffs-cat implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
39 putchar('^');
ee4c761187cf mpffs-cat implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
40 if (c == 0x7F)
ee4c761187cf mpffs-cat implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
41 putchar('?');
ee4c761187cf mpffs-cat implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
42 else
ee4c761187cf mpffs-cat implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
43 putchar(c + '@');
ee4c761187cf mpffs-cat implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
44 }
ee4c761187cf mpffs-cat implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
45 len--;
ee4c761187cf mpffs-cat implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
46 }
ee4c761187cf mpffs-cat implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
47 }
ee4c761187cf mpffs-cat implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
48
40
7ceab8bfacb3 mpffs-cat and mpffs-xtr converted to use the new extra chunk handling
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 37
diff changeset
49 void
7ceab8bfacb3 mpffs-cat and mpffs-xtr converted to use the new extra chunk handling
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 37
diff changeset
50 extra_chunk_callback(obj, opaque)
7ceab8bfacb3 mpffs-cat and mpffs-xtr converted to use the new extra chunk handling
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 37
diff changeset
51 struct objinfo *obj;
7ceab8bfacb3 mpffs-cat and mpffs-xtr converted to use the new extra chunk handling
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 37
diff changeset
52 u_long opaque;
7ceab8bfacb3 mpffs-cat and mpffs-xtr converted to use the new extra chunk handling
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 37
diff changeset
53 {
7ceab8bfacb3 mpffs-cat and mpffs-xtr converted to use the new extra chunk handling
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 37
diff changeset
54 struct chunkinfo chi;
7ceab8bfacb3 mpffs-cat and mpffs-xtr converted to use the new extra chunk handling
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 37
diff changeset
55
7ceab8bfacb3 mpffs-cat and mpffs-xtr converted to use the new extra chunk handling
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 37
diff changeset
56 size_extra_chunk(obj, &chi);
7ceab8bfacb3 mpffs-cat and mpffs-xtr converted to use the new extra chunk handling
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 37
diff changeset
57 cat_chunk(&chi);
7ceab8bfacb3 mpffs-cat and mpffs-xtr converted to use the new extra chunk handling
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 37
diff changeset
58 }
7ceab8bfacb3 mpffs-cat and mpffs-xtr converted to use the new extra chunk handling
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 37
diff changeset
59
35
ee4c761187cf mpffs-cat implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
60 cat_file(headidx)
ee4c761187cf mpffs-cat implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
61 {
ee4c761187cf mpffs-cat implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
62 struct objinfo obj;
ee4c761187cf mpffs-cat implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
63 struct chunkinfo chi;
ee4c761187cf mpffs-cat implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
64
ee4c761187cf mpffs-cat implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
65 obj.entryno = headidx;
ee4c761187cf mpffs-cat implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
66 get_index_entry(&obj);
ee4c761187cf mpffs-cat implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
67 if (obj.type != 0xF1) {
ee4c761187cf mpffs-cat implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
68 fprintf(stderr,
ee4c761187cf mpffs-cat implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
69 "mpffs-cat: the requested FFS object is not a regular file\n");
ee4c761187cf mpffs-cat implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
70 exit(1);
ee4c761187cf mpffs-cat implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
71 }
ee4c761187cf mpffs-cat implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
72 validate_chunk(&obj);
ee4c761187cf mpffs-cat implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
73 size_head_chunk(&obj, &chi);
ee4c761187cf mpffs-cat implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
74 cat_chunk(&chi);
40
7ceab8bfacb3 mpffs-cat and mpffs-xtr converted to use the new extra chunk handling
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 37
diff changeset
75 iterate_extra_chunks(obj.descend, extra_chunk_callback, (u_long) 0);
37
8256eec598dd mpffs-cat: more sensible handling of -v
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 35
diff changeset
76 if (cat_v)
8256eec598dd mpffs-cat: more sensible handling of -v
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 35
diff changeset
77 putchar('\n');
35
ee4c761187cf mpffs-cat implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
78 }
ee4c761187cf mpffs-cat implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
79
ee4c761187cf mpffs-cat implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
80 usage()
ee4c761187cf mpffs-cat implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
81 {
ee4c761187cf mpffs-cat implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
82 fprintf(stderr, "usage: mpffs-cat [options] ffs-image pathname\n");
ee4c761187cf mpffs-cat implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
83 exit(1);
ee4c761187cf mpffs-cat implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
84 }
ee4c761187cf mpffs-cat implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
85
ee4c761187cf mpffs-cat implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
86 main(argc, argv)
ee4c761187cf mpffs-cat implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
87 char **argv;
ee4c761187cf mpffs-cat implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
88 {
ee4c761187cf mpffs-cat implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
89 extern int optind;
ee4c761187cf mpffs-cat implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
90 int idx;
ee4c761187cf mpffs-cat implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
91
ee4c761187cf mpffs-cat implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
92 parse_cmdline_options(argc, argv);
ee4c761187cf mpffs-cat implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
93 if (argc - optind != 2)
ee4c761187cf mpffs-cat implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
94 usage();
37
8256eec598dd mpffs-cat: more sensible handling of -v
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 35
diff changeset
95 if (verbose) {
8256eec598dd mpffs-cat: more sensible handling of -v
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 35
diff changeset
96 cat_v = 1;
8256eec598dd mpffs-cat: more sensible handling of -v
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 35
diff changeset
97 verbose--;
8256eec598dd mpffs-cat: more sensible handling of -v
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 35
diff changeset
98 }
35
ee4c761187cf mpffs-cat implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
99 imgfile = argv[optind];
ee4c761187cf mpffs-cat implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
100 preliminaries();
ee4c761187cf mpffs-cat implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
101 idx = find_pathname(argv[optind+1]);
ee4c761187cf mpffs-cat implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
102 cat_file(idx);
ee4c761187cf mpffs-cat implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
103 exit(0);
ee4c761187cf mpffs-cat implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
104 }