[Freeciv-Dev] client programming problems

[nikodimka <nikodimka@xxxxxxxxx>]

Lukas,

This is the C language, right?

All the C standards prior to C99 disallow 
variable definition intermixed with executable code.

So just move root_widget definition up to the beginning of the function.

nikodimka

>2)
>When compiling the following code (and similar things) with the first "if" 
>expression included, i get a "parse error before struct" in the line just 
>below. Return values have no meaning yet and i also tried using "NULL" 
>instead of "0" for pointer testing. Isn't there some sort of "assert" 
>function for such stuff ?
>
>
>int gui_widget_run(struct gui_widget *modal_widget)
>{
>// no idea why this doesn't work !  :(
>//  if (modal_widget == 0) {
>//    return 0;
>//  }
>
>  // find the root widget for painting the whole gui tree
>  struct gui_widget *root_widget = modal_widget;
>  while (root_widget->parent != 0) {
>    root_widget = root_widget->parent;
>  }
>  // run the event loop without blocking up the CPU
>  while (!modal_widget->quit) {
>    SDL_Delay(10);
>    gui_widget_paint(root_widget);
>  }
>  return 0;
>}

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