#include "hexutils.h"

#include <stdio.h>
#include <string.h>

const char* hex2str(uint8_t* data, uint32_t len) {
  static char hex[256];
  uint32_t    i = 0;
  for (i = 0; i < len; i++) {
    sprintf(hex + i * 2, "%02X", data[i]);
  }
  hex[i * 2] = 0;

  return hex;
}

const char* hex2str_ext(char* cache, int cachesize, uint8_t* data, uint32_t len) {
  hex2str(data, len);
  strncpy(cache, hex2str(data, len), cachesize);
  return cache;
}