maxpath.c

   1 /*
   2         gpgstats.c - Program to produce stats on a GPG keyring.
   3         Written by Jonathan McDowell <noodles@earth.li>.
   4
   5         19/02/2000 - Started writing (sort of).
   6 */
   7
   8 #include <stdio.h>
   9 #include <stdlib.h>
  10 #include <string.h>
  11
  12 #include "stats.h"
  13 #include "hash.h"
  14 #include "keydb.h"
  15 #include "ll.h"
  16 #include "stats.h"
  17
  18 void findmaxpath(unsigned long max)
  19 {
  20         struct stats_key *from, *to, *tmp;
  21         struct ll *curkey;
  22         unsigned long distance, loop;
  23
  24         printf("In findmaxpath\n");
  25         distance = 0;
  26         from = to = tmp = NULL;
  27         hash_getkeysigs(0x5B430367);
  28
  29         for (loop = 0; (loop < HASHSIZE) && (distance < max); loop++) {
  30                 curkey = gethashtableentry(loop);
  31                 while (curkey != NULL && distance < max) {
  32                         hash_getkeysigs(((struct stats_key *)
  33                                         curkey->object)->keyid);
  34                         initcolour(false);
  35                         tmp = furthestkey((struct stats_key *)
  36                                                 curkey->object);
  37                         if (tmp->colour > distance) {
  38                                 from = (struct stats_key *)curkey->object;
  39                                 to = tmp;
  40                                 distance = to->colour;
  41                                 printf("Current max path (#%ld) is from %llX to %llX (%ld steps)\n",
  42                                                 loop,
  43                                                 from->keyid,
  44                                                 to->keyid,
  45                                                 distance);
  46                         }
  47                         curkey=curkey->next;
  48                 }
  49         }
  50         printf("Max path is from %llX to %llX (%ld steps)\n",
  51                         from->keyid,
  52                         to->keyid,
  53                         distance);
  54 }
  55
  56 int main(int argc, char *argv[])
  57 {
  58         initdb();
  59         inithash();
  60         findmaxpath(30);
  61         printf("--------\n");
  62         findmaxpath(30);
  63         cleanupdb();
  64
  65         return EXIT_SUCCESS;
  66 }