gcc/testsuite/gcc.c-torture/compile/921011-2.c

   1 extern int foobar1 ();
   2
   3 typedef struct
   4   {
   5     unsigned long colormap;
   6     unsigned long red_max;
   7     unsigned long red_mult;
   8     unsigned long green_max;
   9     unsigned long green_mult;
  10     unsigned long blue_max;
  11     unsigned long blue_mult;
  12     unsigned long base_pixel;
  13     unsigned long visualid;
  14     unsigned long killid;
  15   }
  16 frotz;
  17
  18 int
  19 foobar (stdcmap, count)
  20      frotz **stdcmap;
  21      int *count;
  22 {
  23   register int i;
  24   frotz *data = ((void *) 0);
  25
  26   unsigned long nitems;
  27   int ncmaps;
  28   int old_style = 0;
  29   unsigned long def_visual = 0L;
  30   frotz *cmaps;
  31
  32
  33   if ( foobar1 (&data) != 0)
  34     return 0;
  35   if (nitems < 10)
  36     {
  37       ncmaps = 1;
  38       if (nitems < 9)
  39         {
  40         }
  41     }
  42   else
  43     ncmaps = (nitems / 10);
  44
  45   {
  46     register frotz *map;
  47     register frotz *prop;
  48
  49     for (i = ncmaps, map = cmaps, prop = data; i > 0; i--, map++, prop++)
  50       {
  51         map->colormap = prop->colormap;
  52         map->red_max = prop->red_max;
  53         map->red_mult = prop->red_mult;
  54         map->green_max = prop->green_max;
  55         map->green_mult = prop->green_mult;
  56         map->blue_max = prop->blue_max;
  57         map->blue_mult = prop->blue_mult;
  58         map->base_pixel = prop->base_pixel;
  59         map->visualid = (def_visual ? def_visual : prop->visualid);
  60         map->killid = (old_style ? 0L : prop->killid);
  61       }
  62   }
  63   *stdcmap = cmaps;
  64   *count = ncmaps;
  65 }