hostname.h

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/*
 * Copyright (c) 2017 Intel Corporation
 *
 * SPDX-License-Identifier: Apache-2.0
 */
 
#ifndef ZEPHYR_INCLUDE_NET_HOSTNAME_H_
#define ZEPHYR_INCLUDE_NET_HOSTNAME_H_
 
#ifdef __cplusplus
extern "C" {
#endif
 
#if defined(CONFIG_NET_HOSTNAME_MAX_LEN)
#define NET_HOSTNAME_MAX_LEN                                                                       \
        MAX(CONFIG_NET_HOSTNAME_MAX_LEN,                                                           \
            (sizeof(CONFIG_NET_HOSTNAME) - 1 +                                                     \
             (IS_ENABLED(CONFIG_NET_HOSTNAME_UNIQUE) ? sizeof("0011223344556677") - 1 : 0)))
#else
#define NET_HOSTNAME_MAX_LEN                                                                       \
        (sizeof(CONFIG_NET_HOSTNAME) - 1 +                                                         \
         (IS_ENABLED(CONFIG_NET_HOSTNAME_UNIQUE) ? sizeof("0011223344556677") - 1 : 0))
#endif
 
#if defined(CONFIG_NET_HOSTNAME_ENABLE)
#define NET_HOSTNAME_SIZE NET_HOSTNAME_MAX_LEN + 1
#else
#define NET_HOSTNAME_SIZE 1
#endif
 
#if defined(CONFIG_NET_HOSTNAME_ENABLE)
const char *net_hostname_get(void);
#else
static inline const char *net_hostname_get(void)
{
        return "zephyr";
}
#endif /* CONFIG_NET_HOSTNAME_ENABLE */
 
#if defined(CONFIG_NET_HOSTNAME_DYNAMIC)
int net_hostname_set(char *host, size_t len);
#else
static inline int net_hostname_set(char *host, size_t len)
{
        return -ENOTSUP;
}
#endif
 
#if defined(CONFIG_NET_HOSTNAME_ENABLE)
void net_hostname_init(void);
#else
static inline void net_hostname_init(void)
{
}
#endif /* CONFIG_NET_HOSTNAME_ENABLE */
 
#if defined(CONFIG_NET_HOSTNAME_UNIQUE)
int net_hostname_set_postfix(const uint8_t *hostname_postfix,
                              int postfix_len);
#else
static inline int net_hostname_set_postfix(const uint8_t *hostname_postfix,
                                           int postfix_len)
{
        return -EMSGSIZE;
}
#endif /* CONFIG_NET_HOSTNAME_UNIQUE */
 
#ifdef __cplusplus
}
#endif
 
#endif /* ZEPHYR_INCLUDE_NET_HOSTNAME_H_ */