quiet some warnings

modules/ca/src/client/udpiiu.cpp

@@ -1162,7 +1162,7 @@ void udpiiu :: show ( unsigned level ) const
         }
     }
     if ( level > 2u ) {
-        ::printf ("\tsocket identifier %d\n", this->sock );
+        ::printf ("\tsocket identifier %d\n", int(this->sock) );
         ::printf ("\tbytes in xmit buffer %u\n", this->nBytesInXmitBuf );
         ::printf ("\tshut down command bool %u\n", this->shutdownCmd );
         ::printf ( "\trecv thread exit signal:\n" );
@@ -1195,10 +1195,7 @@ bool udpiiu::wakeupMsg ()
     // send a wakeup msg so the UDP recv thread will exit
     int status = sendto ( this->sock, reinterpret_cast < char * > ( &msg ),  
             sizeof (msg), 0, &addr.sa, sizeof ( addr.sa ) );
-    if ( status == sizeof (msg) ) {
-        return true;
-    }
-    return false;
+    return status == sizeof (msg);
 }
 
 void udpiiu::beaconAnomalyNotify ( 

modules/database/src/ioc/rsrv/caserverio.c

@@ -56,7 +56,7 @@ void cas_send_bs_msg ( struct client *pclient, int lock_needed )
     if ( pclient->disconnect ) {
         if ( CASDEBUG > 2 ) {
             errlogPrintf ( "CAS: msg Discard for sock %d addr %x\n",
-                pclient->sock, (unsigned) pclient->addr.sin_addr.s_addr );
+                (int)pclient->sock, (unsigned) pclient->addr.sin_addr.s_addr );
         }
         pclient->send.stk = 0u;
         if(lock_needed)

modules/database/src/ioc/rsrv/caservertask.c

@@ -335,7 +335,7 @@ void rsrv_build_addr_lists(void)
             char sockErrBuf[64];
             epicsSocketConvertErrnoToString (
                 sockErrBuf, sizeof ( sockErrBuf ) );
-            errlogPrintf("rsrv: failed to set mcast ttl %d\n", ttl);
+            errlogPrintf("rsrv: failed to set mcast ttl %d\n", (int)ttl);
         }
     }
 #endif

modules/libcom/src/error/errSymLib.c

@@ -192,7 +192,7 @@ void errSymLookup(long status, char * pBuf, size_t bufLength)
 {
     const char* msg = errSymLookupInternal(status);
     if(msg) {
-        strncpy(pBuf, msg, bufLength);
+        strncpy(pBuf, msg, bufLength-1);
         pBuf[bufLength-1] = '\0';
         return;
     }

modules/libcom/src/fdmgr/fdManager.cpp

@@ -249,7 +249,7 @@ void fdRegId::show ( unsigned level ) const
         static_cast <const void *> ( this ) );
     if ( level > 1u ) {
         printf ( "\tfd = %d, type = %d\n",
-            this->fd, this->type );
+            int(this->fd), this->type );
     }
 }