[or-cvs] backport: Stop dnsworkers from triggering an assert failure...

[Roger Dingledine]

Update of /home2/or/cvsroot/src/or
In directory moria.mit.edu:/home2/arma/work/onion/0072/src/or

Modified Files:
      Tag: tor-0_0_7-patches
	dns.c 
Log Message:
backport: Stop dnsworkers from triggering an assert failure when you
ask them to resolve the host "".


Index: dns.c
===================================================================
RCS file: /home2/or/cvsroot/src/or/dns.c,v
retrieving revision 1.99.2.1
retrieving revision 1.99.2.2
diff -u -d -r1.99.2.1 -r1.99.2.2
--- dns.c	4 Jul 2004 04:53:32 -0000	1.99.2.1
+++ dns.c	12 Aug 2004 06:27:11 -0000	1.99.2.2
@@ -599,9 +599,8 @@
       log_fn(LOG_INFO,"dnsworker exiting because tor process died.");
       spawn_exit();
     }
-    tor_assert(address_len > 0);
 
-    if(read_all(fd, address, address_len, 1) != address_len) {
+    if(address_len && read_all(fd, address, address_len, 1) != address_len) {
       log_fn(LOG_ERR,"read hostname failed. Child exiting.");
       spawn_exit();
     }