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https://github.com/espressif/esp-idf.git
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4772f51437
Add support for socketpair() directly from lwip sockets (if sock-utils included) Add support for gai_strerror() directly from lwip netdb.h (if sock-utils included) Closes https://github.com/espressif/esp-idf/issues/13772 Closes https://github.com/espressif/esp-idf/issues/14849 fix(lwip): prevent socket.h to spellcheck
51 lines
1.4 KiB
C
51 lines
1.4 KiB
C
/*
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* SPDX-FileCopyrightText: 2022-2024 Espressif Systems (Shanghai) CO LTD
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#pragma once
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#include <stddef.h>
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#include_next "lwip/netdb.h"
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#include "sdkconfig.h"
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#if CONFIG_LWIP_USE_ESP_GETADDRINFO
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#include_next "esp_netdb.h"
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#endif
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#ifdef __cplusplus
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extern "C" {
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#endif
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#if LWIP_NETDB_HAS_GAI_STRERROR
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/**
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* @brief If `LWIP_NETDB_HAS_GAI_STRERROR=1` lwip can declare gai_strerror()
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* since it will be defined in en external dependency of lwip
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*/
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/**
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* @brief Returns a string representing the `getaddrinfo()` error code.
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*
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* @param[in] ecode Error code returned by `getaddrinfo()`.
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*
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* @return A pointer to a string describing the error.
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*/
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const char * gai_strerror(int ecode);
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#endif
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static inline int gethostbyname_r(const char *name, struct hostent *ret, char *buf, size_t buflen, struct hostent **result, int *h_errnop)
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{ return lwip_gethostbyname_r(name, ret, buf, buflen, result, h_errnop); }
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static inline struct hostent *gethostbyname(const char *name)
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{ return lwip_gethostbyname(name); }
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static inline void freeaddrinfo(struct addrinfo *ai)
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{ lwip_freeaddrinfo(ai); }
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static inline int getaddrinfo(const char *nodename, const char *servname, const struct addrinfo *hints, struct addrinfo **res)
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#ifdef CONFIG_LWIP_USE_ESP_GETADDRINFO
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{ return esp_getaddrinfo(nodename, servname, hints, res); }
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#else
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{ return lwip_getaddrinfo(nodename, servname, hints, res); }
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#endif
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#ifdef __cplusplus
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}
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#endif
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