cscvs to tla changeset 57

[onak.git] / maxpath.c

diff --git a/maxpath.c b/maxpath.c
index 0bb5fcf1aca5aa7b2a6f4aaeb359cbee2c889b78..21f23c281655305c196a96bbd70dd4630c1c9a07 100644 (file)
--- a/maxpath.c
+++ b/maxpath.c
@@ -1,9 +1,10 @@
 /*
-       gpgstats.c - Program to produce stats on a GPG keyring.
-       Written by Jonathan McDowell <noodles@earth.li>.
-
-       19/02/2000 - Started writing (sort of).
-*/
+ * maxpath.c - Find the longest trust path in the key database.
+ * 
+ * Jonathan McDowell <noodles@earth.li>
+ *
+ * Copyright 2001-2002 Project Purple.
+ */
 
 #include <stdio.h>
 #include <stdlib.h>
@@ -24,8 +25,19 @@ void findmaxpath(unsigned long max)
 
        distance = 0;
        from = to = tmp = NULL;
+
+       /*
+        * My (noodles@earth.li, DSA) key is in the strongly connected set of
+        * keys, so we use it as a suitable starting seed.
+        */
        cached_getkeysigs(0xF1BD4BE45B430367);
 
+       /*
+        * Loop through the hash examining each key present and finding the
+        * furthest key from it. If it's further than our current max then
+        * store it as our new max and print out the fact we've found a new
+        * max.
+        */
        for (loop = 0; (loop < HASHSIZE) && (distance < max); loop++) {
                curkey = gethashtableentry(loop);
                while (curkey != NULL && distance < max) {
@@ -38,7 +50,8 @@ void findmaxpath(unsigned long max)
                                from = (struct stats_key *)curkey->object;
                                to = tmp;
                                distance = to->colour;
-                               printf("Current max path (#%ld) is from %llX to %llX (%ld steps)\n", 
+                               printf("Current max path (#%ld) is from %llX"
+                                               " to %llX (%ld steps)\n", 
                                                loop,
                                                from->keyid,
                                                to->keyid,