#define FAIL_STACK_GROWTH_FACTOR 4
#define GROW_FAIL_STACK(fail_stack) \
- ((fail_stack).size >= re_max_failures * TYPICAL_FAILURE_SIZE \
+ (((fail_stack).size * sizeof (fail_stack_elt_t) \
+ >= re_max_failures * TYPICAL_FAILURE_SIZE) \
? 0 \
: ((fail_stack).stack \
= (fail_stack_elt_t *) \