ppp: minor changes: fix some 'is unused' warning when debug is off.

src/netif/ppp/auth.c

@@ -178,6 +178,8 @@ static int passwd_from_file;
 void
 link_required(int unit)
 {
+  LWIP_UNUSED_ARG(unit);
+
   AUTHDEBUG((LOG_INFO, "link_required: %d\n", unit));
 }
 
@@ -322,6 +324,8 @@ link_established(int unit)
 void
 auth_peer_fail(int unit, u16_t protocol)
 {
+  LWIP_UNUSED_ARG(protocol);
+
   AUTHDEBUG((LOG_INFO, "auth_peer_fail: %d proto=%X\n", unit, protocol));
   /*
    * Authentication failure: take the link down
@@ -378,6 +382,8 @@ auth_withpeer_fail(int unit, u16_t protocol)
 {
   int errCode = PPPERR_AUTHFAIL;
   
+  LWIP_UNUSED_ARG(protocol);
+
   AUTHDEBUG((LOG_INFO, "auth_withpeer_fail: %d proto=%X\n", unit, protocol));
   if (passwd_from_file) {
     BZERO(ppp_settings.passwd, MAXSECRETLEN);
@@ -437,6 +443,9 @@ auth_withpeer_success(int unit, u16_t protocol)
 void
 np_up(int unit, u16_t proto)
 {
+  LWIP_UNUSED_ARG(unit);
+  LWIP_UNUSED_ARG(proto);
+
   AUTHDEBUG((LOG_INFO, "np_up: %d proto=%X\n", unit, proto));
   if (num_np_up == 0) {
     AUTHDEBUG((LOG_INFO, "np_up: maxconnect=%d idle_time_limit=%d\n",ppp_settings.maxconnect,ppp_settings.idle_time_limit));
@@ -464,6 +473,9 @@ np_up(int unit, u16_t proto)
 void
 np_down(int unit, u16_t proto)
 {
+  LWIP_UNUSED_ARG(unit);
+  LWIP_UNUSED_ARG(proto);
+
   AUTHDEBUG((LOG_INFO, "np_down: %d proto=%X\n", unit, proto));
   if (--num_np_up == 0 && ppp_settings.idle_time_limit > 0) {
     UNTIMEOUT(check_idle, NULL);
@@ -476,6 +488,9 @@ np_down(int unit, u16_t proto)
 void
 np_finished(int unit, u16_t proto)
 {
+  LWIP_UNUSED_ARG(unit);
+  LWIP_UNUSED_ARG(proto);
+
   AUTHDEBUG((LOG_INFO, "np_finished: %d proto=%X\n", unit, proto));
   if (--num_np_open <= 0) {
     /* no further use for the link: shut up shop. */
@@ -526,6 +541,12 @@ int
 check_passwd( int unit, char *auser, int userlen, char *apasswd, int passwdlen, char **msg, int *msglen)
 {
 #if 1
+  LWIP_UNUSED_ARG(unit);
+  LWIP_UNUSED_ARG(auser);
+  LWIP_UNUSED_ARG(userlen);
+  LWIP_UNUSED_ARG(apasswd);
+  LWIP_UNUSED_ARG(passwdlen);
+  LWIP_UNUSED_ARG(msglen);
   *msg = (char *) 0;
   return UPAP_AUTHACK;     /* XXX Assume all entries OK. */
 #else
@@ -621,6 +642,10 @@ int get_secret( int unit, char *client, char *server, char *secret, int *secret_
   int len;
   struct wordlist *addrs;
 
+  LWIP_UNUSED_ARG(unit);
+  LWIP_UNUSED_ARG(server);
+  LWIP_UNUSED_ARG(save_addrs);
+
   addrs = NULL;
 
   if(!client || !client[0] || strcmp(client, ppp_settings.user)) {
@@ -846,6 +871,7 @@ null_login(int unit)
 static int
 get_pap_passwd(int unit, char *user, char *passwd)
 {
+  LWIP_UNUSED_ARG(unit);
 /* normally we would reject PAP if no password is provided,
    but this causes problems with some providers (like CHT in Taiwan)
    who incorrectly request PAP and expect a bogus/empty password, so

src/netif/ppp/chap.c

@@ -638,6 +638,9 @@ ChapReceiveResponse(chap_state *cstate, u_char *inp, int id, int len)
 static void
 ChapReceiveSuccess(chap_state *cstate, u_char *inp, u_char id, int len)
 {
+  LWIP_UNUSED_ARG(id);
+  LWIP_UNUSED_ARG(inp);
+
   CHAPDEBUG((LOG_INFO, "ChapReceiveSuccess: Rcvd id %d.\n", id));
 
   if (cstate->clientstate == CHAPCS_OPEN) {
@@ -672,6 +675,9 @@ ChapReceiveSuccess(chap_state *cstate, u_char *inp, u_char id, int len)
 static void
 ChapReceiveFailure(chap_state *cstate, u_char *inp, u_char id, int len)
 {
+  LWIP_UNUSED_ARG(id);
+  LWIP_UNUSED_ARG(inp);
+
   CHAPDEBUG((LOG_INFO, "ChapReceiveFailure: Rcvd id %d.\n", id));
 
   if (cstate->clientstate != CHAPCS_RESPONSE) {

src/netif/ppp/fsm.c

@@ -148,6 +148,8 @@ fsm_lowerup(fsm *f)
 {
   int oldState = f->state;
 
+  LWIP_UNUSED_ARG(oldState);
+
   switch( f->state ) {
     case LS_INITIAL:
       f->state = LS_CLOSED;
@@ -183,6 +185,8 @@ fsm_lowerdown(fsm *f)
 {
   int oldState = f->state;
 
+  LWIP_UNUSED_ARG(oldState);
+
   switch( f->state ) {
     case LS_CLOSED:
       f->state = LS_INITIAL;
@@ -233,6 +237,8 @@ fsm_open(fsm *f)
 {
   int oldState = f->state;
 
+  LWIP_UNUSED_ARG(oldState);
+
   switch( f->state ) {
     case LS_INITIAL:
       f->state = LS_STARTING;
@@ -279,6 +285,8 @@ fsm_close(fsm *f, char *reason)
 {
   int oldState = f->state;
 
+  LWIP_UNUSED_ARG(oldState);
+
   f->term_reason = reason;
   f->term_reason_len = (reason == NULL? 0: strlen(reason));
   switch( f->state ) {
@@ -747,6 +755,8 @@ fsm_rconfnakrej(fsm *f, int code, int id, u_char *inp, int len)
 static void
 fsm_rtermreq(fsm *f, int id, u_char *p, int len)
 {
+  LWIP_UNUSED_ARG(p);
+
   FSMDEBUG((LOG_INFO, "fsm_rtermreq(%s): Rcvd id %d state=%d (%s)\n",
         PROTO_NAME(f), id, f->state, ppperr_strerr[f->state]));
 

src/netif/ppp/pap.c

@@ -466,6 +466,8 @@ upap_rauthack(upap_state *u, u_char *inp, int id, int len)
   u_char msglen;
   char *msg;
 
+  LWIP_UNUSED_ARG(id);
+
   UPAPDEBUG((LOG_INFO, "pap_rauthack: Rcvd id %d s=%d\n", id, u->us_clientstate));
 
   if (u->us_clientstate != UPAPCS_AUTHREQ) { /* XXX */
@@ -503,6 +505,8 @@ upap_rauthnak(upap_state *u, u_char *inp, int id, int len)
   u_char msglen;
   char *msg;
 
+  LWIP_UNUSED_ARG(id);
+
   UPAPDEBUG((LOG_INFO, "pap_rauthnak: Rcvd id %d s=%d\n", id, u->us_clientstate));
 
   if (u->us_clientstate != UPAPCS_AUTHREQ) { /* XXX */

src/netif/ppp/ppp.c

@@ -590,6 +590,9 @@ int pppOverEthernetOpen(struct netif *ethif, const char *service_name, const cha
   PPPControl *pc;
   int pd;
 
+  LWIP_UNUSED_ARG(service_name);
+  LWIP_UNUSED_ARG(concentrator_name);
+
   /* Find a free PPP session descriptor. Critical region? */
   for (pd = 0; pd < NUM_PPP && pppControl[pd].openFlag != 0; pd++);
   if (pd >= NUM_PPP) {

src/netif/ppp/ppp.h

@@ -187,7 +187,7 @@ enum NPmode {
 }
 #define PUTSHORT(s, cp) { \
     *(cp)++ = (u_char) ((s) >> 8); \
-    *(cp)++ = (u_char) (s); \
+    *(cp)++ = (u_char) (s & 0xff); \
 }
 
 #define GETLONG(l, cp) { \

src/netif/ppp/ppp_oe.c

@@ -1201,6 +1201,8 @@ pppoe_ifattach_hook(void *arg, struct pbuf **mp, struct netif *ifp, int dir)
 static void
 pppoe_clear_softc(struct pppoe_softc *sc, const char *message)
 {
+  LWIP_UNUSED_ARG(message);
+
   /* stop timer */
   tcpip_untimeout(pppoe_timeout, sc);
   PPPDEBUG((LOG_DEBUG, "pppoe: %c%c%"U16_F": session 0x%x terminated, %s\n", sc->sc_ethif->name[0], sc->sc_ethif->name[1], sc->sc_ethif->num, sc->sc_session, message));