mirror of
https://github.com/espressif/esp-protocols.git
synced 2025-11-04 08:31:37 +01:00
57 lines
1.4 KiB
C
57 lines
1.4 KiB
C
|
/*
|
||
|
|
* SPDX-FileCopyrightText: 2024 Espressif Systems (Shanghai) CO LTD
|
||
|
|
*
|
||
|
|
* SPDX-License-Identifier: Apache-2.0
|
||
|
|
*/
|
||
|
|
#pragma once
|
||
|
|
|
||
|
|
#include "lwip/sockets.h"
|
||
|
|
#include "netdb_macros.h"
|
||
|
|
// include also other related headers to simplify porting of linux libs
|
||
|
|
#include "getnameinfo.h"
|
||
|
|
#include "socketpair.h"
|
||
|
|
#include "gai_strerror.h"
|
||
|
|
|
||
|
|
#ifdef __cplusplus
|
||
|
|
extern "C" {
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#ifdef CONFIG_IDF_TARGET_LINUX
|
||
|
|
// namespace with esp_ on linux to avoid duplication of symbols
|
||
|
|
#define getifaddrs esp_getifaddrs
|
||
|
|
#define freeifaddrs esp_freeifaddrs
|
||
|
|
#endif
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @brief Simplified version of ifaddr struct
|
||
|
|
*/
|
||
|
|
struct ifaddrs {
|
||
|
|
struct ifaddrs *ifa_next; /* Next item in list */
|
||
|
|
char *ifa_name; /* Name of interface */
|
||
|
|
struct sockaddr *ifa_addr; /* Address of interface */
|
||
|
|
unsigned int ifa_flags;
|
||
|
|
};
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @brief Retrieves a list of network interfaces and their addresses.
|
||
|
|
*
|
||
|
|
* @param[out] ifap Pointer to a linked list of `struct ifaddrs`. On success, `*ifap` will be set
|
||
|
|
* to the head of the list.
|
||
|
|
*
|
||
|
|
* @return
|
||
|
|
* - 0 on success.
|
||
|
|
* - -1 on failure, with `errno` set to indicate the error.
|
||
|
|
*/
|
||
|
|
int getifaddrs(struct ifaddrs **ifap);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @brief Frees the memory allocated by `getifaddrs()`.
|
||
|
|
*
|
||
|
|
* @param[in] ifa Pointer to the linked list of network interfaces to be freed.
|
||
|
|
*/
|
||
|
|
void freeifaddrs(struct ifaddrs *ifa);
|
||
|
|
|
||
|
|
#ifdef __cplusplus
|
||
|
|
}
|
||
|
|
#endif
|