Cleanup ssh_handle_packets().

git-svn-id: svn+ssh://svn.berlios.de/svnroot/repos/libssh/trunk@474 7dcaeef0-15fb-0310-b436-a5af3365683c

libssh/session.c

@@ -232,26 +232,33 @@ void ssh_set_fd_except(SSH_SESSION *session) {
 /** \warning I don't remember if this should be internal or not
  */
 /* looks if there is data to read on the socket and parse it. */
-int ssh_handle_packets(SSH_SESSION *session){
+int ssh_handle_packets(SSH_SESSION *session) {
-    int w,err,r,i=0;
+  int w = 0;
+  int e = 0;
+  int rc = -1;
+
   enter_function();
+
   do {
-        r=ssh_socket_poll(session->socket,&w,&err);
+    rc = ssh_socket_poll(session->socket, &w, &e);
-        if(r<=0){
+    if (rc <= 0) {
+      /* error or no data available */
       leave_function();
-            return r; // error or no data available
+      return rc;
     }
+
     /* if an exception happened, it will be trapped by packet_read() */
     if ((packet_read(session) != SSH_OK) ||
         (packet_translate(session) != SSH_OK)) {
       leave_function();
       return -1;
     }
+
     packet_parse(session);
-        ++i;
+  } while(rc > 0);
-    } while(r>0);
+
   leave_function();
-    return r;
+  return rc;
 }
 
 /** \brief get session status