gcc/testsuite/gcc.dg/torture/pr51801.c

   1 /* { dg-do compile } */
   2
   3 typedef struct { char Vshow; } TScreen;
   4 typedef struct _Misc { char Tshow; } Misc;
   5 typedef struct _XtermWidgetRec { TScreen screen; Misc misc; } XtermWidgetRec, *XtermWidget;
   6 extern XtermWidget term;
   7 void Bell (XtermWidget, int, int);
   8 void set_tek_visibility (int);
   9
  10 void
  11 handle_tekshow (void *gw, int allowswitch)
  12 {
  13   XtermWidget xw = term;
  14   if (!((xw)->misc.Tshow))
  15     set_tek_visibility (1);
  16 }
  17
  18 void
  19 do_tekonoff (void *gw, void *closure, void *data)
  20 {
  21   handle_tekshow (gw, 0);
  22 }
  23
  24 void
  25 do_vtonoff (void *gw, void *closure, void *data)
  26 {
  27 }
  28
  29 void
  30 handle_toggle (void (*proc) (void *gw, void *closure, void *data),
  31                int var, char **params, unsigned int nparams, void *w,
  32                void *closure, void *data)
  33 {
  34   XtermWidget xw = term;
  35   int dir = -2;
  36   switch (nparams)
  37     {
  38     case 0:
  39       dir = -1;
  40     }
  41   switch (dir)
  42     {
  43     case 1:
  44       (*proc) (w, closure, data);
  45       Bell (xw, 2, 0);
  46     }
  47 }
  48
  49 void
  50 HandleVisibility (void *w, char **params, unsigned int *param_count)
  51 {
  52   XtermWidget xw = term;
  53   if (*param_count == 2)
  54     switch (params[0][0])
  55       {
  56       case 'v':
  57         handle_toggle (do_vtonoff, (int) ((int) (&(xw)->screen)->Vshow),
  58                        params + 1, (*param_count) - 1, w, (void *) 0,
  59                        (void *) 0);
  60         handle_toggle (do_tekonoff, (int) ((int) ((xw)->misc.Tshow)),
  61                        params + 1, (*param_count) - 1, w, (void *) 0,
  62                        (void *) 0);
  63       }
  64 }