""

Makefile.am

@@ -22,7 +22,7 @@ noinst_HEADERS = addr_hash.h ether.h ethertype.h extract.h hash.h iftop.h \
                  integers.h ip.h llc.h ns_hash.h options.h resolver.h \
                  screenfilter.h serv_hash.h sll.h sorted_list.h tcp.h \
                  threadprof.h token.h ui.h dlcommon.h stringmap.h \
-		 vector.h cfgfile.h
+		 vector.h cfgfile.h util.h
 
 man_MANS = iftop.8
 

configure.in

@@ -37,9 +37,9 @@ AC_ARG_WITH(resolver,
     [  --with-resolver=TYPE    Technique iftop should use for name resolution. Valid
                           options are netdb, netdb_1thread (for systems without
                           working gethostbyaddr_r), ares for the MIT ARES
-                          asynchronous resolver library, forking for the REALLY SUCKY
-                          forking resolver, or none if you don't need any name
-                          resolution.
+                          asynchronous resolver library, forking for the REALLY
+                          SUCKY forking resolver, or none if you don't need any
+                          name resolution.
                           [default=netdb]],
     [resolver=$withval],
     [resolver=netdb])

resolver.c

@@ -332,6 +332,7 @@ char *do_resolve(struct in_addr *addr) {
                 return NULL;
 
             default:
+fprintf(stderr, "New child is %d, we have fd %d, he has fd %d\n", workerinfo->child, p[0], p[1]);
                 close(p[1]);
         }
     }
@@ -340,11 +341,13 @@ char *do_resolve(struct in_addr *addr) {
     if (write(workerinfo->fd, addr, sizeof *addr) != sizeof *addr
         || read(workerinfo->fd, name, NAMESIZE) != NAMESIZE) {
         /* Something went wrong. Just kill the child and get on with it. */
+fprintf(stderr, "Protocol error (%s) talking to child %d\n", strerror(errno), workerinfo->child);
         kill(workerinfo->child, SIGKILL);
         wait();
         close(workerinfo->fd);
         xfree(workerinfo);
         pthread_setspecific(worker_key, NULL);
+        *name = 0;
     }
     if (!*name)
         return NULL;