oldrc: fix reading from standard input

modules/control/oldrc.c

@@ -1851,8 +1851,6 @@ static bool ReadWin32( intf_thread_t *p_intf, char *p_buffer, int *pi_size )
 
 bool ReadCommand( intf_thread_t *p_intf, char *p_buffer, int *pi_size )
 {
-    int i_read = 0;
-
 #ifdef _WIN32
     if( p_intf->p_sys->i_socket == -1 && !p_intf->p_sys->b_quiet )
         return ReadWin32( p_intf, p_buffer, pi_size );
@@ -1863,34 +1861,35 @@ bool ReadCommand( intf_thread_t *p_intf, char *p_buffer, int *pi_size )
     }
 #endif
 
-    while( *pi_size < MAX_LINE_LENGTH &&
-           (i_read = net_Read( p_intf, p_intf->p_sys->i_socket == -1 ?
-                       0 /*STDIN_FILENO*/ : p_intf->p_sys->i_socket,
-                  (uint8_t *)p_buffer + *pi_size, 1, false ) ) > 0 )
-    {
-        if( p_buffer[ *pi_size ] == '\r' || p_buffer[ *pi_size ] == '\n' )
-            break;
-
-        (*pi_size)++;
-    }
 
-    /* Connection closed */
-    if( i_read <= 0 )
+    while( *pi_size < MAX_LINE_LENGTH )
     {
-        if( p_intf->p_sys->i_socket != -1 )
+        if( p_intf->p_sys->i_socket == -1 )
         {
-            net_Close( p_intf->p_sys->i_socket );
-            p_intf->p_sys->i_socket = -1;
+            if( read( 0/*STDIN_FILENO*/, p_buffer + *pi_size, 1 ) <= 0 )
+            {   /* Standard input closed: exit */
+                vlc_value_t empty;
+                Quit( VLC_OBJECT(p_intf), NULL, empty, empty, NULL );
+                p_buffer[*pi_size] = 0;
+                return true;
+            }
         }
         else
+        {   /* Connection closed */
+            if( net_Read( p_intf, p_intf->p_sys->i_socket, p_buffer + *pi_size,
+                          1, false ) <= 0 )
             {
-            /* Standard input closed: exit */
-            vlc_value_t empty;
-            Quit( VLC_OBJECT(p_intf), NULL, empty, empty, NULL );
+                net_Close( p_intf->p_sys->i_socket );
+                p_intf->p_sys->i_socket = -1;
+                p_buffer[*pi_size] = 0;
+                return true;
+            }
         }
 
-        p_buffer[ *pi_size ] = 0;
-        return true;
+        if( p_buffer[ *pi_size ] == '\r' || p_buffer[ *pi_size ] == '\n' )
+            break;
+
+        (*pi_size)++;
     }
 
     if( *pi_size == MAX_LINE_LENGTH ||