sdcc/support/regression/tests/bug-2625.c

   1 /*
   2   bug-2625.c
   3 */
   4
   5 #include <testfwk.h>
   6
   7 struct s {
   8   int a,b,c;
   9   unsigned char array[512-3*sizeof(int)];
  10 };
  11
  12 int check_ptr(unsigned char *p, struct s *sp)
  13 {
  14   if (p > sp->array + 400) /* Converting the array to its address for the add  */
  15     return 1;              /* incorrectly used the size of the array to        */
  16   else                     /* determine the size of the resulting pointer.     */
  17     return 0;
  18 }
  19
  20 #if !defined( __SDCC_pdk14) && !defined( __SDCC_pdk15) && !defined( __SDCC_pic14) // Lack of memory
  21 __xdata struct s teststruct;
  22 #endif
  23
  24 void testBug (void)
  25 {
  26 #if !defined( __SDCC_pdk14) && !defined( __SDCC_pdk15) && !defined( __SDCC_pic14) // Lack of memory
  27   struct s * sp = &teststruct;
  28
  29   ASSERT (check_ptr(&(sp->array[400]),sp) == 0);
  30   ASSERT (check_ptr(&(sp->array[401]),sp) == 1);
  31 #endif
  32 }