74 lines
1.3 KiB
C
74 lines
1.3 KiB
C
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/**
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* Copyright (c) 2023-2024 Marcin Niestroj
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* netdb.h related code common to Zephyr (top: nsos_sockets.c) and Linux
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* (bottom: nsos_adapt.c).
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*
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* It is needed by both sides to share the same macro definitions/values
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* (prefixed with NSOS_MID_), which is not possible to achieve with two separate
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* standard libc libraries, since they use different values for the same
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* symbols.
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*/
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#include "nsos_netdb.h"
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#ifdef __ZEPHYR__
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#include <zephyr/net/socket.h>
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#define ERR(_name) \
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{ DNS_ ## _name, NSOS_MID_ ## _name }
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#else
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#include <netdb.h>
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#define ERR(_name) \
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{ _name, NSOS_MID_ ## _name }
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#endif
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#ifndef ARRAY_SIZE
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#define ARRAY_SIZE(array) (sizeof(array) / sizeof((array)[0]))
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#endif
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struct nsos_eai_map {
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int err;
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int mid_err;
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};
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static const struct nsos_eai_map map[] = {
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ERR(EAI_BADFLAGS),
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ERR(EAI_NONAME),
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ERR(EAI_AGAIN),
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ERR(EAI_FAIL),
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ERR(EAI_FAMILY),
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ERR(EAI_SOCKTYPE),
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ERR(EAI_SERVICE),
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ERR(EAI_MEMORY),
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ERR(EAI_SYSTEM),
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ERR(EAI_OVERFLOW),
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};
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int eai_to_nsos_mid(int err)
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{
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for (int i = 0; i < ARRAY_SIZE(map); i++) {
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if (map[i].err == err) {
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return map[i].mid_err;
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}
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}
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return err;
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}
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int eai_from_nsos_mid(int err)
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{
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for (int i = 0; i < ARRAY_SIZE(map); i++) {
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if (map[i].mid_err == err) {
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return map[i].err;
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}
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}
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return err;
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}
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