[or-cvs] fix warning about always-false comparison; detect too-large...

[Nick Mathewson]

Update of /home/or/cvsroot/src/or
In directory moria.mit.edu:/tmp/cvs-serv22839/or

Modified Files:
	rendservice.c 
Log Message:
fix warning about always-false comparison; detect too-large realport better

Index: rendservice.c
===================================================================
RCS file: /home/or/cvsroot/src/or/rendservice.c,v
retrieving revision 1.86
retrieving revision 1.87
diff -u -d -r1.86 -r1.87
--- rendservice.c	12 Oct 2004 20:22:09 -0000	1.86
+++ rendservice.c	13 Oct 2004 19:53:34 -0000	1.87
@@ -128,7 +128,8 @@
 static rend_service_port_config_t *parse_port_config(const char *string)
 {
   int virtport;
-  uint16_t realport;
+  int realport;
+  uint16_t p;
   uint32_t addr;
   char *endptr;
   rend_service_port_config_t *result;
@@ -148,12 +149,11 @@
     realport = virtport;
     addr = 0x7F000001u; /* 127.0.0.1 */
   } else if (strchr(string, ':') || strchr(string, '.')) {
-    if (parse_addr_port(string, NULL, &addr, &realport)<0) {
+    if (parse_addr_port(string, NULL, &addr, &p)<0) {
       log_fn(LOG_WARN,"Unparseable address in hidden service port configuration");
       return NULL;
     }
-    if (!realport)
-      realport = virtport;
+    realport = p?p:virtport;
   } else {
     /* No addr:port, no addr -- must be port. */
     realport = strtol(string, &endptr, 10);