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annotate pirollback/inopath.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 18472a2ccf55
children
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45
18472a2ccf55 pirollback: pathname reconstruction implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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1 #include <stdio.h>
18472a2ccf55 pirollback: pathname reconstruction implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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2 #include <stdlib.h>
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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3 #include "pathname.h"
18472a2ccf55 pirollback: pathname reconstruction implemented
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4
18472a2ccf55 pirollback: pathname reconstruction implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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5 extern char *imgfile;
18472a2ccf55 pirollback: pathname reconstruction implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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6 extern int last_inode;
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7
18472a2ccf55 pirollback: pathname reconstruction implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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8 main(argc, argv)
18472a2ccf55 pirollback: pathname reconstruction implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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9 char **argv;
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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10 {
18472a2ccf55 pirollback: pathname reconstruction implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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11 int ino;
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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12 char *strtoul_endp;
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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13 char pathname[PATHNAME_BUF_SIZE];
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14
18472a2ccf55 pirollback: pathname reconstruction implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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15 if (argc != 3) {
18472a2ccf55 pirollback: pathname reconstruction implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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16 usage: fprintf(stderr, "usage: %s ffs-image inode\n", argv[0]);
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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17 exit(1);
18472a2ccf55 pirollback: pathname reconstruction implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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18 }
18472a2ccf55 pirollback: pathname reconstruction implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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19 imgfile = argv[1];
18472a2ccf55 pirollback: pathname reconstruction implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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20 ino = strtoul(argv[2], &strtoul_endp, 16);
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21 if (!argv[2][0] || *strtoul_endp)
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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22 goto usage;
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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23 read_img_file();
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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24 read_inodes();
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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25 if (ino < 1 || ino > last_inode) {
18472a2ccf55 pirollback: pathname reconstruction implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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26 fprintf(stderr, "%s: bad inode number specified\n", argv[0]);
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27 exit(1);
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28 }
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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29 walk_tree();
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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30 check_object_names();
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31 if (pathname_of_inode(ino, pathname) < 0) {
18472a2ccf55 pirollback: pathname reconstruction implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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32 fprintf(stderr, "unable to get the pathname\n");
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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33 exit(1);
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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34 }
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35 printf("%s\n", pathname);
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36 exit(0);
18472a2ccf55 pirollback: pathname reconstruction implemented
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37 }