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[or-cvs] Fix bug reported by peter palfrader: an empty address is un...



Update of /home/or/cvsroot/src/common
In directory moria.mit.edu:/tmp/cvs-serv5571/src/common

Modified Files:
	util.c 
Log Message:
Fix bug reported by peter palfrader: an empty address is unresolvable, but not an occasion for an assertion failure in a dnsworker.

Index: util.c
===================================================================
RCS file: /home/or/cvsroot/src/common/util.c,v
retrieving revision 1.108
retrieving revision 1.109
diff -u -d -r1.108 -r1.109
--- util.c	30 Jun 2004 16:37:08 -0000	1.108
+++ util.c	6 Jul 2004 23:25:20 -0000	1.109
@@ -1709,7 +1709,10 @@
   struct in_addr iaddr;
   struct hostent *ent;
   tor_assert(addr);
-  if (tor_inet_aton(name, &iaddr)) {
+  if (!*name) {
+    /* Empty address is an error. */
+    return -1;
+  } if (tor_inet_aton(name, &iaddr)) {
     /* It's an IP. */
     memcpy(addr, &iaddr.s_addr, 4);
     return 0;