Systemd/src/basic/hostname-util.h

30 lines
899 B
C

/* SPDX-License-Identifier: LGPL-2.1-or-later */
#pragma once
#include <stdbool.h>
#include <stdio.h>
#include "macro.h"
#include "strv.h"
char* gethostname_malloc(void);
char* gethostname_short_malloc(void);
int gethostname_strict(char **ret);
bool valid_ldh_char(char c) _const_;
typedef enum ValidHostnameFlags {
VALID_HOSTNAME_TRAILING_DOT = 1 << 0, /* Accept trailing dot on multi-label names */
VALID_HOSTNAME_DOT_HOST = 1 << 1, /* Accept ".host" as valid hostname */
} ValidHostnameFlags;
bool hostname_is_valid(const char *s, ValidHostnameFlags flags) _pure_;
char* hostname_cleanup(char *s);
bool is_localhost(const char *hostname);
static inline bool is_gateway_hostname(const char *hostname) {
/* This tries to identify the valid syntaxes for the our synthetic "gateway" host. */
return STRCASE_IN_SET(hostname, "_gateway", "_gateway.");
}