issues/286: get rid of Useless "no IPv4 address assigned" warning

diff --git a/tcpdump.c b/tcpdump.c
index fc5b52ee0da718b38d33f8a2aad64decd6d94f18..daee688ee65653fa4aa359faefa84a7f14ad3660 100644 (file)
--- a/tcpdump.c
+++ b/tcpdump.c
@@ -729,7 +729,7 @@ int
 main(int argc, char **argv)
 {
        register int cnt, op, i;
-       bpf_u_int32 localnet, netmask;
+       bpf_u_int32 localnet =0 , netmask = 0;
        register char *cp, *infile, *cmdbuf, *device, *RFileName, *VFileName, *WFileName;
        pcap_handler callback;
        int type;
@@ -1254,8 +1254,6 @@ main(int argc, char **argv)
                            RFileName, dlt_name,
                            pcap_datalink_val_to_description(dlt));
                }
-               localnet = 0;
-               netmask = 0;
        } else {
                /*
                 * We're doing a live capture.
@@ -1415,11 +1413,12 @@ main(int argc, char **argv)
                        warning("snaplen raised from %d to %d", snaplen, i);
                        snaplen = i;
                }
-               if (pcap_lookupnet(device, &localnet, &netmask, ebuf) < 0) {
-                       localnet = 0;
-                       netmask = 0;
-                       warning("%s", ebuf);
-               }
+                if(fflag != 0) {
+                        if (pcap_lookupnet(device, &localnet, &netmask, ebuf) < 0) {
+                                warning("foreign (-f) flag used but: %s", ebuf);
+                        }
+                }
+
        }
        if (infile)
                cmdbuf = read_infile(infile);