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