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annotate pirollback/checknames.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 78ac405716db
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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44
074237879eca pirollback: name check implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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1 #include <sys/types.h>
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2 #include <stdio.h>
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3 #include <stdlib.h>
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4 #include "types.h"
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5 #include "struct.h"
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6 #include "pathname.h"
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7
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8 extern struct inode_info inode[];
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9 extern int last_inode;
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10
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11 static void
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12 check_inode(ino)
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13 {
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14 struct inode_info *in;
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15 u8 *cp;
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16 int cnt;
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17
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18 in = inode + ino;
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19 switch (in->type) {
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20 case 0xE1:
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21 case 0xF1:
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22 case 0xF2:
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23 break;
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24 case 0x00:
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25 case 0xF4:
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26 return;
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27 default:
46
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28 fprintf(stderr, "inode #%x: unexpected type %02X\n", ino,
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29 in->type);
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30 exit(1);
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31 }
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32 for (cp = in->dataptr, cnt = 0; ; cp++, cnt++) {
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33 if (cnt >= in->len) {
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34 fprintf(stderr,
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35 "inode #%x: name expected at %x: length overrun\n",
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36 ino, in->offset);
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37 exit(1);
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38 }
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39 if (!*cp)
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40 break;
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41 if (cnt >= MAX_FN_COMPONENT) {
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42 fprintf(stderr,
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43 "inode #%x: name exceeds program limit of %d chars\n",
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44 ino, MAX_FN_COMPONENT);
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45 exit(1);
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46 }
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47 if (*cp < '!' || *cp > '~') {
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48 fprintf(stderr,
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49 "inode #%x: name expected at %x: bad character\n",
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50 ino, in->offset);
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51 exit(1);
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52 }
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53 }
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54 if (!cnt) {
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55 fprintf(stderr, "inode #%x: name expected at %x: null string\n",
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56 ino, in->offset);
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57 exit(1);
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58 }
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59 in->byte_after_name = cp + 1;
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60 }
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61
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62 check_object_names()
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63 {
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64 int ino;
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65
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66 for (ino = 1; ino <= last_inode; ino++)
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67 check_inode(ino);
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68 }