FreeCalypso > hg > freecalypso-tools

comparison ffstools/tiffs-rd/main.c @ 0:e7502631a0f9

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initial import from freecalypso-sw rev 1033:5ab737ac3ad7
author Mychaela Falconia <falcon@freecalypso.org>
date Sat, 11 Jun 2016 00:13:35 +0000
parents
children d68275d47a32
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-1:000000000000 0:e7502631a0f9
1 /*
2 * This C module contains the main() function for the tiffs utility,
3 * dispatching control to different operation commands.
4 */
5
6 #include <sys/types.h>
7 #include <ctype.h>
8 #include <stdio.h>
9 #include <stdlib.h>
10 #include <string.h>
11 #include <strings.h>
12 #include "types.h"
13 #include "globals.h"
14
15 parse_org_arg(arg)
16 char *arg;
17 {
18 char *cp;
19
20 cp = index(arg, 'x');
21 if (!cp || !isdigit(cp[1]) || !isdigit(arg[0])) {
22 fprintf(stderr,
23 "error: TIFFS organization argument \"%s\" is invalid\n", arg);
24 exit(1);
25 }
26 *cp++ = '\0';
27 if (!strcmp(arg, "8"))
28 eraseblk_size = 0x2000;
29 else if (!strcmp(arg, "16"))
30 eraseblk_size = 0x4000;
31 else if (!strcmp(arg, "32"))
32 eraseblk_size = 0x8000;
33 else if (!strcmp(arg, "64"))
34 eraseblk_size = 0x10000;
35 else if (!strcmp(arg, "128"))
36 eraseblk_size = 0x20000;
37 else if (!strcmp(arg, "256"))
38 eraseblk_size = 0x40000;
39 else {
40 fprintf(stderr,
41 "error: \"%s\" is not a recognized flash sector size\n",
42 arg);
43 exit(1);
44 }
45 total_blocks = atoi(cp);
46 if (total_blocks < 1 || total_blocks > 128) {
47 fprintf(stderr,
48 "error: \"%s\" is not a reasonable number of FFS sectors\n",
49 cp);
50 exit(1);
51 }
52 total_ffs_size = eraseblk_size * total_blocks;
53 inode_limit = eraseblk_size >> 4;
54 }
55
56 extern int cmd_blkhdr();
57 extern int cmd_cat();
58 extern int cmd_catino();
59 extern int cmd_fsinfo();
60 extern int cmd_ls();
61 extern int cmd_lsino();
62 extern int cmd_xtr();
63
64 static struct cmdtab {
65 char *cmd;
66 int (*func)();
67 } cmdtab[] = {
68 {"blkhdr", cmd_blkhdr},
69 {"cat", cmd_cat},
70 {"catino", cmd_catino},
71 {"fsck", NULL},
72 {"fsinfo", cmd_fsinfo},
73 {"ls", cmd_ls},
74 {"lsino", cmd_lsino},
75 {"xtr", cmd_xtr},
76 {NULL, NULL}
77 };
78
79 main(argc, argv)
80 char **argv;
81 {
82 extern int optind;
83 extern char *optarg;
84 int c;
85 char *cmd;
86 struct cmdtab *tp;
87
88 while ((c = getopt(argc, argv, "+a:o:Or:v")) != EOF)
89 switch (c) {
90 case 'a':
91 index_blk_num = atoi(optarg);
92 continue;
93 case 'o':
94 imgfile_offset = strtoul(optarg, 0, 0);
95 continue;
96 case 'O':
97 old_16bit_location = 1;
98 continue;
99 case 'r':
100 root_inode = strtoul(optarg, 0, 16);
101 continue;
102 case 'v':
103 verbose++;
104 continue;
105 default:
106 usage: fprintf(stderr,
107 "usage: %s [global-options] <imgfile> <org> <op> ...\n",
108 argv[0]);
109 exit(1);
110 }
111 if (argc - optind < 3)
112 goto usage;
113 imgfile = argv[optind];
114 parse_org_arg(argv[optind+1]);
115 cmd = argv[optind+2];
116
117 for (tp = cmdtab; tp->cmd; tp++)
118 if (!strcmp(tp->cmd, cmd))
119 break;
120 if (!tp->func) {
121 fprintf(stderr,
122 "%s: operation \"%s\" is unknown or unimplemented\n",
123 argv[0], cmd);
124 exit(1);
125 }
126 optind += 2;
127 return tp->func(argc - optind, argv + optind);
128 }