#include "ip6.h"

static char tohex(char num) {
  if (num<10)
    return num+'0';
  else if (num<16)
    return num-10+'a';
  else
    return -1;
}

unsigned int ip6_fmt_flat(char *s,const char ip[16])
{
  int i;
  if (!s) return 32;
  for (i=0; i<16; i++) {
    *s++=tohex((unsigned char)ip[i] >> 4);
    *s++=tohex((unsigned char)ip[i] & 15);
  }
  return 32;
}