[PD-dev] [PD] Trying to track a ghost pdtk_canvas_getscroll call

Hans-Christoph Steiner hans at at.or.at
Mon Nov 22 00:26:27 CET 2010


Before you invest too much time in that, you should know that that  
stuff has changed a lot in 0.43, so its likely anything you did in  
0.42 would not apply to 0.43

.hc

On Nov 21, 2010, at 10:40 AM, Ivica Ico Bukvic wrote:

> Hi Mathieu,
>
> This is a great advice! However, when adding blargh() function from  
> the
> gridflow.c inside the sys_vgui (s_inter.c) so that when the debug is  
> on
> it outptus a trace for each call, it appears it only manages to do one
> level which is obviously the sys_vgui call itself. Why is it not  
> able to
> trace further back?
>
> void blargh(void) {
> #ifdef MACOSX
>  fprintf(stderr,"unhandled exception\n");
> #else
>  int i;
>  void *array[25];
>  int nSize = backtrace(array, 25);
>  char **symbols = backtrace_symbols(array, nSize);
>  for (i=0; i<nSize; i++) fprintf(stderr,"%d: %s\n",i,symbols[i]);
>  free(symbols);
> #endif
> }
>
> void sys_vgui(char *fmt, ...)
> {
>
> <snip>
>
>    if (sys_debuglevel & DEBUG_MESSUP) {
> 	blargh();
>        fprintf(stderr, "%s",  sys_guibuf + sys_guibufhead);
> 	}
>
> <snip>
>
> }
>


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