Fix 32-bit bug when writing address to descriptor.

#define FOR_EACH_DESCRIPTOR_END } STMT_END ;

/* Onion service directory file names. */

static const char *fname_keyfile_prefix = "hs_ed25519";

static const char *fname_hostname = "hostname";

static const char *address_tld = "onion";

static const char fname_keyfile_prefix[] = "hs_ed25519";

static const char fname_hostname[] = "hostname";

static const char address_tld[] = "onion";

/* Staging list of service object. When configuring service, we add them to

 * this list considered a staging area and they will get added to our global

{

  int ret = -1;

  char *fname = NULL;

  /* Length of an address plus the sizeof the address tld (onion) which counts

   * the NUL terminated byte so we keep it for the "." and the newline. */

  char buf[HS_SERVICE_ADDR_LEN_BASE32 + sizeof(address_tld) + 1];

  char *addr_buf = NULL;

  tor_assert(service);

  tor_assert(fname_);

  /* Construct the full address with the onion tld and write the hostname file

   * to disk. */

  tor_snprintf(buf, sizeof(buf), "%s.%s\n", service->onion_address,

               address_tld);

  tor_asprintf(&addr_buf, "%s.%s\n", service->onion_address, address_tld);

  /* Notice here that we use the given "fname_". */

  fname = hs_path_from_filename(service->config.directory_path, fname_);

  if (write_str_to_file(fname, buf, 0) < 0) {

  if (write_str_to_file(fname, addr_buf, 0) < 0) {

    log_warn(LD_REND, "Could not write onion address to hostname file %s",

             escaped(fname));

    goto end;

  ret = 0;

 end:

  tor_free(fname);

  tor_free(addr_buf);

  return ret;

}