Function hc_error_new

error/error.c:51–71

}

struct hc_error *hc_error_new(const char *message, ...) {
  va_list args;
  va_start(args, message);
  
  va_list tmp_args;
  va_copy(tmp_args, args);
  int len = vsnprintf(NULL, 0, message, tmp_args);
  va_end(tmp_args);

  if (len < 0) {
    vfprintf(stderr, message, args);
    abort();
  }
  
  len++;
  struct hc_error *e = malloc(sizeof(struct hc_error));
  e->message = malloc(len);
  vsnprintf(e->message, len, message, args);
  va_end(args);
  return e;
}

void hc_error_free(struct hc_error *e) {
  free(e->message);