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annotate pirollback/dumpjournal.c @ 371:c7514c8b5b41

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pirelli/headset: plug insertion detection figured out
author Mychaela Falconia <falcon@freecalypso.org>
date Mon, 14 Jun 2021 01:33:48 +0000
parents 79a0897dee7b
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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47
3b6296382e24 pirollback: dumpjournal utility written, works
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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1 #include <stdio.h>
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2 #include <stdlib.h>
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3 #include <string.h>
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4 #include <strings.h>
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5 #include "types.h"
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6 #include "struct.h"
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7 #include "pathname.h"
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8
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9 extern char *imgfile;
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10 extern struct inode_info inode[];
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11 extern int last_inode;
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12 extern int journal_start_ino;
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13
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14 dump_inode(ino)
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15 {
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16 struct inode_info *inf;
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17 char pathname[PATHNAME_BUF_SIZE];
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18 int typechar, delchar;
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19
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20 inf = inode + ino;
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21 switch (inf->type) {
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22 case 0xE1:
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23 typechar = 'j';
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24 break;
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25 case 0xF1:
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26 typechar = 'f';
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27 break;
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28 case 0xF2:
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29 typechar = 'd';
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30 break;
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31 case 0xF4:
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32 typechar = '.';
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33 break;
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34 default:
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35 fprintf(stderr, "dumping inode #%x: unexpected type %02X\n",
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36 ino, inf->type);
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37 exit(1);
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38 }
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39 delchar = inf->flash->type ? ' ' : '~';
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40 if (inf->type == 0xF4)
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41 sprintf(pathname, "parent: %x", inf->parent);
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42 else if (pathname_of_inode(ino, pathname) < 0)
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43 strcpy(pathname, "-nopath-");
48
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44 printf("#%04X @%06X: %c%c %s\n", ino, inf->offset, typechar, delchar,
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45 pathname);
47
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46 }
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47
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48 main(argc, argv)
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49 char **argv;
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50 {
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51 int ino;
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52
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53 if (argc != 2) {
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54 fprintf(stderr, "usage: %s ffs-image\n", argv[0]);
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55 exit(1);
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56 }
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57 imgfile = argv[1];
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58 read_img_file();
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59 read_inodes();
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60 walk_tree();
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61 check_object_names();
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62 parse_journal();
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63 check_object_names(); /* rerun for "undeleted" objects */
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64 for (ino = journal_start_ino; ino <= last_inode; ino++)
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65 dump_inode(ino);
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66 exit(0);
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67 }