FreeCalypso > hg > freecalypso-tools

annotate target-utils/libtiffs/findfile.c @ 752:c79aaed75bd8

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
compile-fc-batt: allow possible third field in source lines Battery tables maintained in the fc-battery-conf repository will now have a third field added, defining thresholds for the battery bars icon, and there will be a new utility to compile them into the new /etc/batterytab2 file read by the FC Tourmaline version of our FCHG driver. For backward compatibility with the original Magnetite version of FCHG, compile-fc-batt remains the tool for compiling the original /etc/batterytab file format, and it needs to ignore the newly added third field in battery table sources.
author Mychaela Falconia <falcon@freecalypso.org>
date Thu, 05 Nov 2020 20:37:55 +0000
parents 87cb03b35f77
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
0
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
1 #include <sys/types.h>
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
2 #include "types.h"
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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3 #include "struct.h"
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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4 #include "globals.h"
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parents:
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5 #include "macros.h"
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6
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diff changeset
7 static u8 *
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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8 find_endofchunk(ino)
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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9 {
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Mychaela Falconia <falcon@freecalypso.org>
parents: 0
diff changeset
10 struct inode *irec = tiffs_active_index + ino;
0
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Mychaela Falconia <falcon@freecalypso.org>
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11 u8 *p;
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Mychaela Falconia <falcon@freecalypso.org>
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12 int i;
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Mychaela Falconia <falcon@freecalypso.org>
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13
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
14 p = inode_to_dataptr(irec) + irec->len;
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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15 for (i = 0; i < 16; i++) {
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Mychaela Falconia <falcon@freecalypso.org>
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16 p--;
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Mychaela Falconia <falcon@freecalypso.org>
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17 if (!*p)
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18 return(p);
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Mychaela Falconia <falcon@freecalypso.org>
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19 if (*p != 0xFF)
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20 break;
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21 }
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Mychaela Falconia <falcon@freecalypso.org>
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22 printf("Error: inode #%x has no valid termination\n", ino);
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Mychaela Falconia <falcon@freecalypso.org>
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23 return(p); /* XXX */
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24 }
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25
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26 tiffs_find_file(pathname, startret, sizeret, continue_ret)
0
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27 char *pathname;
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28 u8 **startret;
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29 size_t *sizeret;
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30 int *continue_ret;
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31 {
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32 int ino, cont;
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33 struct inode *irec;
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34 u8 *start, *end;
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35 int size;
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36
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37 ino = tiffs_pathname_to_inode(pathname);
0
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38 if (ino <= 0)
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Mychaela Falconia <falcon@freecalypso.org>
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39 return(-1);
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diff changeset
40 irec = tiffs_active_index + ino;
0
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parents:
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41 if (irec->type != OBJTYPE_FILE) {
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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42 printf("Error: %s is not a regular file\n", pathname);
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43 return(-1);
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44 }
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45 start = inode_to_dataptr(irec);
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46 start += strlen(start) + 1;
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47 end = find_endofchunk(ino);
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48 size = end - start;
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49 if (size < 0)
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50 size = 0;
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51 cont = irec->descend;
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52 if (cont == 0xFFFF)
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53 cont = 0;
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54 if (startret)
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55 *startret = start;
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56 if (sizeret)
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57 *sizeret = size;
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58 if (continue_ret)
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59 *continue_ret = cont;
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60 return(0);
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61 }
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62
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63 tiffs_get_segment(ino, startret, sizeret, continue_ret)
0
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64 int ino;
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65 u8 **startret;
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66 size_t *sizeret;
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67 int *continue_ret;
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68 {
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69 int cont;
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70 struct inode *irec;
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71 u8 *start, *end;
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72 int size;
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73
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74 for (;;) {
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75 irec = tiffs_active_index + ino;
0
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Mychaela Falconia <falcon@freecalypso.org>
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76 if (irec->type)
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77 break;
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78 if (irec->sibling == 0xFFFF) {
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79 printf("Error: segment inode #%d: deleted and no sibling\n",
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80 ino);
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81 return(-1);
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82 }
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83 ino = irec->sibling;
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84 }
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85 if (irec->type != OBJTYPE_SEGMENT) {
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
86 printf("Error: inode #%x is not a segment\n", ino);
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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87 return(-1);
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88 }
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89 start = inode_to_dataptr(irec);
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
90 end = find_endofchunk(ino);
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Mychaela Falconia <falcon@freecalypso.org>
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91 size = end - start;
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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92 if (size <= 0) {
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Mychaela Falconia <falcon@freecalypso.org>
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93 printf("Error: segment inode #%x: bad length\n", ino);
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parents:
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94 return(-1);
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95 }
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96 cont = irec->descend;
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parents:
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97 if (cont == 0xFFFF)
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Mychaela Falconia <falcon@freecalypso.org>
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98 cont = 0;
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Mychaela Falconia <falcon@freecalypso.org>
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99 if (startret)
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Mychaela Falconia <falcon@freecalypso.org>
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100 *startret = start;
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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101 if (sizeret)
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Mychaela Falconia <falcon@freecalypso.org>
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102 *sizeret = size;
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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103 if (continue_ret)
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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104 *continue_ret = cont;
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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105 return(0);
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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106 }