zephyr/subsys/net/lib/sockets/getnameinfo.c

33 lines
691 B
C

/*
* Copyright (c) 2019 Linaro Limited
*
* SPDX-License-Identifier: Apache-2.0
*/
#include <stdio.h>
#include <errno.h>
#include <net/socket.h>
int zsock_getnameinfo(const struct sockaddr *addr, socklen_t addrlen,
char *host, socklen_t hostlen,
char *serv, socklen_t servlen, int flags)
{
/* Both sockaddr_in & _in6 have same offsets for family and address. */
struct sockaddr_in *a = (struct sockaddr_in *)addr;
if (host != NULL) {
void *res = zsock_inet_ntop(a->sin_family, &a->sin_addr,
host, hostlen);
if (res == NULL) {
return DNS_EAI_SYSTEM;
}
}
if (serv != NULL) {
snprintk(serv, servlen, "%hu", ntohs(a->sin_port));
}
return 0;
}