Import dht-0.17.

third-party/dht/CHANGES

@@ -1,3 +1,8 @@
+9 January 2011: dht-0.17:
+
+  * Fix a bug that prevented calling dht_init after dht_uninit.
+  * Remove the "dofree" parameter to dht_uninit.
+
 23 December 2010: dht-0.16:
 
   * Change the interface to allow sharing of the UDP socket e.g. with uTP.

third-party/dht/README

@@ -34,9 +34,7 @@ at client shutdown.
  
 * dht_uninit
 
-This may be called at the end of the session.  If dofree is true, it frees
-all the memory allocated for the DHT.  If dofree is false, this function
-currently does nothing.
+This may be called at the end of the session.
 
 Bootstrapping
 *************

third-party/dht/dht-example.c

@@ -400,7 +400,7 @@ main(int argc, char **argv)
         printf("Found %d (%d + %d) good nodes.\n", i, num, num6);
     }
 
-    dht_uninit(1);
+    dht_uninit();
     return 0;
     
  usage:

third-party/dht/dht.c

@@ -1,5 +1,5 @@
 /*
-Copyright (c) 2009, 2010 by Juliusz Chroboczek
+Copyright (c) 2009-2011 by Juliusz Chroboczek
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
@@ -1659,15 +1659,15 @@ dht_init(int s, int s6, const unsigned char *id, const unsigned char *v)
 }
 
 int
-dht_uninit(int dofree)
+dht_uninit()
 {
-    if(dht_socket < 0) {
+    if(dht_socket < 0 && dht_socket6 < 0) {
         errno = EINVAL;
         return -1;
     }
 
-    if(!dofree)
-        return 1;
+    dht_socket = -1;
+    dht_socket6 = -1;
 
     while(buckets) {
         struct bucket *b = buckets;
@@ -1680,6 +1680,17 @@ dht_uninit(int dofree)
         free(b);
     }
 
+    while(buckets6) {
+        struct bucket *b = buckets6;
+        buckets6 = b->next;
+        while(b->nodes) {
+            struct node *n = b->nodes;
+            b->nodes = n->next;
+            free(n);
+        }
+        free(b);
+    }
+
     while(storage) {
         struct storage *st = storage;
         storage = storage->next;

third-party/dht/dht.h

@@ -1,5 +1,5 @@
 /*
-Copyright (c) 2009, 2010 by Juliusz Chroboczek
+Copyright (c) 2009-2011 by Juliusz Chroboczek
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
@@ -47,7 +47,7 @@ int dht_nodes(int af,
 void dht_dump_tables(FILE *f);
 int dht_get_nodes(struct sockaddr_in *sin, int *num,
                   struct sockaddr_in6 *sin6, int *num6);
-int dht_uninit(int dofree);
+int dht_uninit(void);
 
 /* This must be provided by the user. */
 void dht_hash(void *hash_return, int hash_size,