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/* ISC license. */
#include <skalibs/nonposix.h>
#include <errno.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <string.h>
#include <skalibs/uint16.h>
#include <skalibs/ip46.h>
#ifdef SKALIBS_IPV6_ENABLED
int socket_local46 (int s, ip46 *ip, uint16_t *port)
{
struct sockaddr_storage sa ;
socklen_t dummy = sizeof sa ;
if (getsockname(s, (struct sockaddr *)&sa, &dummy) < 0) return -1 ;
if (sa.ss_family == AF_INET6)
{
struct sockaddr_in6 *sa6 = (struct sockaddr_in6 *)&sa ;
memcpy(ip->ip, sa6->sin6_addr.s6_addr, 16) ;
uint16_unpack_big((char *)&sa6->sin6_port, port) ;
ip->is6 = 1 ;
}
else if (sa.ss_family == AF_INET)
{
struct sockaddr_in *sa4 = (struct sockaddr_in *)&sa ;
memcpy(ip->ip, &sa4->sin_addr.s_addr, 4) ;
uint16_unpack_big((char *)&sa4->sin_port, port) ;
ip->is6 = 0 ;
}
else return (errno = EAFNOSUPPORT, -1) ;
return 0 ;
}
#endif
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