mirror of
https://github.com/morgan9e/systemd
synced 2026-04-15 00:47:10 +09:00
c11e5f43d2
DNS_HOSTNAME_MAX is used by sd-resolve, but it was defined in src/shared/dns-domain.h. The library libsystemd should be independent of source files under src/shared.
18 lines
692 B
C
18 lines
692 B
C
/* SPDX-License-Identifier: LGPL-2.1-or-later */
|
|
#pragma once
|
|
|
|
/* Length of a single label, with all escaping removed, excluding any trailing dot or NUL byte */
|
|
#define DNS_LABEL_MAX 63
|
|
|
|
/* Worst case length of a single label, with all escaping applied and room for a trailing NUL byte. */
|
|
#define DNS_LABEL_ESCAPED_MAX (DNS_LABEL_MAX*4+1)
|
|
|
|
/* Maximum length of a full hostname, consisting of a series of unescaped labels, and no trailing dot or NUL byte */
|
|
#define DNS_HOSTNAME_MAX 253
|
|
|
|
/* Maximum length of a full hostname, on the wire, including the final NUL byte */
|
|
#define DNS_WIRE_FORMAT_HOSTNAME_MAX 255
|
|
|
|
/* Maximum number of labels per valid hostname */
|
|
#define DNS_N_LABELS_MAX 127
|