*: add -Wunused-parameter; fix resulting breakage

function                                             old     new   delta
procps_scan                                         1265    1298     +33
aliascmd                                             278     283      +5
parse_file_cmd                                       116     120      +4
dname_enc                                            373     377      +4
setcmd                                                90      93      +3
execcmd                                               57      60      +3
count_lines                                           72      74      +2
process_command_subs                                 340     339      -1
test_main                                            409     407      -2
mknod_main                                           179     177      -2
handle_incoming_and_exit                            2653    2651      -2
argstr                                              1312    1310      -2
shiftcmd                                             131     128      -3
exitcmd                                               46      43      -3
dotcmd                                               297     294      -3
breakcmd                                              86      83      -3
evalpipe                                             353     349      -4
evalcommand                                         1180    1176      -4
evalcmd                                              109     105      -4
send_tree                                            374     369      -5
mkfifo_main                                           82      77      -5
evalsubshell                                         152     147      -5
typecmd                                               75      69      -6
letcmd                                                61      55      -6
add_cmd                                             1190    1183      -7
main                                                 891     883      -8
ash_main                                            1415    1407      -8
parse_stream                                        1377    1367     -10
alloc_procps_scan                                     55       -     -55
------------------------------------------------------------------------------
(add/remove: 0/1 grow/shrink: 7/21 up/down: 54/-148)          Total: -94 bytes
   text    data     bss     dec     hex filename
 797195     658    7428  805281   c49a1 busybox_old
 797101     658    7428  805187   c4943 busybox_unstripped

1 files changed, 6 insertions, 3 deletions

diff --git a/networking/dnsd.c b/networking/dnsd.c
index 0a5278377..b269bc52a 100644
--- a/networking/dnsd.c
+++ b/networking/dnsd.c
@@ -321,15 +321,15 @@ static int process_packet(uint8_t * buf)
 /*
  * Exit on signal
  */
-static void interrupt(int x)
+static void interrupt(int sig)
 {
         /* unlink("/var/run/dnsd.lock"); */
         bb_error_msg("interrupt, exiting\n");
-        exit(2);
+        kill_myself_with_sig(sig);
 }
 
 int dnsd_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
-int dnsd_main(int argc, char **argv)
+int dnsd_main(int argc ATTRIBUTE_UNUSED, char **argv)
 {
         const char *listen_interface = "0.0.0.0";
         char *sttl, *sport;
@@ -387,6 +387,9 @@ int dnsd_main(int argc, char **argv)
 // Or else we can exhibit usual UDP ugliness:
 // [ip1.multihomed.ip2] <=  query to ip1  <= peer
 // [ip1.multihomed.ip2] => reply from ip2 => peer (confused)
+
+// TODO: recv_from_to
+
                 r = recvfrom(udps, buf, sizeof(buf), 0, &lsa->u.sa, &fromlen);
                 if (OPT_verbose)
                         bb_info_msg("Got UDP packet");