Otherwise, some uses got warnings about empty if-clause.
Declare failure_stack_ptr only #ifdef REL_ALLOC.
destination)
/* No need to do anything to free, after alloca. */
destination)
/* No need to do anything to free, after alloca. */
+#define REGEX_FREE(arg) while (0) /* empty */
#endif /* not REGEX_MALLOC */
#endif /* not REGEX_MALLOC */
unsigned char *p = pattern;
register unsigned char *pend = pattern + size;
unsigned char *p = pattern;
register unsigned char *pend = pattern + size;
/* This holds the pointer to the failure stack, when
it is allocated relocatably. */
fail_stack_elt_t *failure_stack_ptr;
/* This holds the pointer to the failure stack, when
it is allocated relocatably. */
fail_stack_elt_t *failure_stack_ptr;
/* Assume that each path through the pattern can be null until
proven otherwise. We set this false at the bottom of switch
/* Assume that each path through the pattern can be null until
proven otherwise. We set this false at the bottom of switch
unsigned nfailure_points_pushed = 0, nfailure_points_popped = 0;
#endif
unsigned nfailure_points_pushed = 0, nfailure_points_popped = 0;
#endif
/* This holds the pointer to the failure stack, when
it is allocated relocatably. */
fail_stack_elt_t *failure_stack_ptr;
/* This holds the pointer to the failure stack, when
it is allocated relocatably. */
fail_stack_elt_t *failure_stack_ptr;
/* We fill all the registers internally, independent of what we
return, for use in backreferences. The number here includes
/* We fill all the registers internally, independent of what we
return, for use in backreferences. The number here includes