#include "ruby.h"
#include "string.h"

static VALUE mExample;

VALUE example2_cs_fast(char *s1, char *s2) {
	char *start = s1;
	while (*s1 && *s2 && (*++s1 == *++s2));
	if ((*s1 != 0 && *s1 != 47) || (*s2 != 0 && *s2 != 47)) {
		while(*--s1 != 47);
	}
	if (s1-start <= 1) { *s1++; } // correction for '/'
	*s1 = 0;
	return rb_str_new2(s1);
}

void Init_example() {
	mExample = rb_define_module("Example2");
	rb_define_module_function(mExample, "cs_fast", example2_cs_fast, 2);
}