validation/builtin-objsize0.c

   1 #define bos(O, T)       __builtin_object_size(O, T)
   2
   3 struct s {
   4         char arr[8];
   5         __INT32_TYPE__ i;
   6         __INT32_TYPE__ padding;
   7 };
   8
   9 static struct s s;
  10 static char *p = &s.arr[1];
  11 static int  *q = &s.i;
  12
  13 int obj_int0(void) { return bos(&s.i, 0) == 8; }
  14 int obj_arr0(void) { return bos(&s.arr[1], 0) == 15; }
  15
  16 int ptr_int(struct s *p) { return bos(&p->i, 0) == -1; }
  17 int ptr_arr(struct s *p) { return bos(&p->arr[1], 0) == -1; }
  18
  19 /*
  20  * check-name: builtin-objsize0
  21  * check-command: test-linearize -Wno-decl $file
  22  *
  23  * check-output-ignore
  24  * check-output-returns: 1
  25  */