cleaning up typecasts

insatomcat · Sep 26, 2017 · ee0409d · ee0409d
1 parent 08bf63c
commit ee0409d
Showing 1 changed file with 5 additions and 4 deletions.
diff --git a/uart/uart_posix.c b/uart/uart_posix.c
@@ -222,13 +222,14 @@ bool uart_send(const serial_port sp, const byte_t* pbtTx, const size_t szTxLen)
   size_t szPos = 0;
   fd_set rfds;
   struct timeval tv;
-
+  const serial_port_unix* spu = (serial_port_unix*)sp;
+
   while (szPos < szTxLen) {
     // Reset file descriptor
     FD_ZERO(&rfds);
-    FD_SET(((serial_port_unix*)sp)->fd, &rfds);
+    FD_SET((spu->fd, &rfds);
     tv = timeout;
-    res = select(((serial_port_unix*)sp)->fd+1, NULL, &rfds, NULL, &tv);
+    res = select((spu->fd+1, NULL, &rfds, NULL, &tv);
 
     // Write error
     if (res < 0) {
@@ -243,7 +244,7 @@ bool uart_send(const serial_port sp, const byte_t* pbtTx, const size_t szTxLen)
     }
 
     // Send away the bytes
-    res = write(((serial_port_unix*)sp)->fd, pbtTx + szPos, szTxLen-szPos);
+    res = write(spu->fd, pbtTx + szPos, szTxLen-szPos);
 
     // Stop if the OS has some troubles sending the data
     if (res <= 0) {