Super simple c function to print a binary string without worrying about messing up the terminal

gistfile1.txt

/* Print a binary string `str` of `len` bytes safely by printing
 * non-printable characters as red hex codes. */
void safe_print(unsigned char *str, size_t len) {
  unsigned char *it = str;
  while (len--) {
    if (isprint(*it)) {
      putchar(*it);
    } else {
      printf("\33[31m%02X\33[0m", *it);
    }
    ++it;
  }
}