cmUdpPort.h/c: Added kBroadcastUdpFl option.

cmUdpPort.c

@@ -256,6 +256,18 @@ cmUdpRC_t cmUdpInit(
 
   }
 
+  // if broadcast option was requested.
+  if( cmIsFlag(flags,kBroadcastUdpFl) )
+  {
+    int bcastFl = 1;
+    if( setsockopt( p->sockH, SOL_SOCKET, SO_BROADCAST, &bcastFl, sizeof(bcastFl) ) == cmUdp_SYS_ERR )
+    {
+      rc = cmErrSysMsg(&p->err,kSockOptSetFailUdpRC,errno, "Attempt to set the socket broadcast attribute failed." );
+      goto errLabel;
+    }
+
+  }
+
   if( recvBufByteCnt != 0 )
     p->tempBuf = cmMemAlloc(char,recvBufByteCnt );
 

cmUdpPort.h

@@ -41,7 +41,8 @@ extern "C" {
   {
     kNonBlockingUdpFl = 0x00,
     kBlockingUdpFl    = 0x01,
-    kNoQueueUdpFl     = 0x02
+    kNoQueueUdpFl     = 0x02,
+    kBroadcastUdpFl   = 0x04
     
   };