blob: 60b8324dcb492c82d60b1f152c27193474048a42 [file] [log] [blame]
/**
* Copyright (c) 2023-2024 Marcin Niestroj
*
* SPDX-License-Identifier: Apache-2.0
*
* netdb.h related code common to Zephyr (top: nsos_sockets.c) and Linux
* (bottom: nsos_adapt.c).
*
* It is needed by both sides to share the same macro definitions/values
* (prefixed with NSOS_MID_), which is not possible to achieve with two separate
* standard libc libraries, since they use different values for the same
* symbols.
*/
#include "nsos_netdb.h"
#ifdef __ZEPHYR__
#include <zephyr/net/socket.h>
#define ERR(_name) \
{ DNS_ ## _name, NSOS_MID_ ## _name }
#else
#include <netdb.h>
#define ERR(_name) \
{ _name, NSOS_MID_ ## _name }
#endif
#ifndef ARRAY_SIZE
#define ARRAY_SIZE(array) (sizeof(array) / sizeof((array)[0]))
#endif
struct nsos_eai_map {
int err;
int mid_err;
};
static const struct nsos_eai_map map[] = {
ERR(EAI_BADFLAGS),
ERR(EAI_NONAME),
ERR(EAI_AGAIN),
ERR(EAI_FAIL),
ERR(EAI_FAMILY),
ERR(EAI_SOCKTYPE),
ERR(EAI_SERVICE),
ERR(EAI_MEMORY),
ERR(EAI_SYSTEM),
ERR(EAI_OVERFLOW),
};
int eai_to_nsos_mid(int err)
{
for (int i = 0; i < ARRAY_SIZE(map); i++) {
if (map[i].err == err) {
return map[i].mid_err;
}
}
return err;
}
int eai_from_nsos_mid(int err)
{
for (int i = 0; i < ARRAY_SIZE(map); i++) {
if (map[i].mid_err == err) {
return map[i].err;
}
}
return err;
}