#include "mystring.h"

#include <string.h>

int mystring::find_last_of(const char* setstr, size_t setlen,

			   size_t offset) const

{

  if(offset == (size_t)-1)

    offset = rep->length-1;

  for(int i = offset; i >= 0; --i) {

    if(memchr(setstr, rep->buf[i], setlen))

      return i;

  }

  return -1;

}

int mystring::find_last_of(const char* setstr, size_t offset) const

{

  return find_last_of(setstr, strlen(setstr), offset);

}

int mystring::find_last_of(const mystring& setstr, size_t offset) const

{

  return find_last_of(setstr.rep->buf, setstr.rep->length, offset);

}