35 lines
948 B
C
35 lines
948 B
C
/* SPDX-License-Identifier: LGPL-2.1-or-later */
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#pragma once
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#include <stdbool.h>
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#include <stdio.h>
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#include "macro.h"
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#include "strv.h"
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bool hostname_is_set(void);
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char* gethostname_malloc(void);
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char* gethostname_short_malloc(void);
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int gethostname_strict(char **ret);
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bool valid_ldh_char(char c) _const_;
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bool hostname_is_valid(const char *s, bool allow_trailing_dot) _pure_;
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char* hostname_cleanup(char *s);
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#define machine_name_is_valid(s) hostname_is_valid(s, false)
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bool is_localhost(const char *hostname);
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static inline bool is_gateway_hostname(const char *hostname) {
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/* This tries to identify the valid syntaxes for the our synthetic "gateway" host. */
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return STRCASE_IN_SET(hostname, "_gateway", "_gateway.");
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}
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int sethostname_idempotent(const char *s);
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int shorten_overlong(const char *s, char **ret);
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int read_etc_hostname_stream(FILE *f, char **ret);
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int read_etc_hostname(const char *path, char **ret);
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