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/* posix */
#include <sys/types.h>
#include <unistd.h>
#include <stdlib.h>
#include <stdio.h>
#include <fcntl.h>
#include <string.h>
#include <errno.h>
/* bsd extensions */
#include <sys/uio.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <sys/un.h>
#include "priv.h"
int
getsockname(int fd, struct sockaddr *addr, int *alen)
{
Rock *r;
int i;
struct sockaddr_in *lip;
struct sockaddr_un *lunix;
r = _sock_findrock(fd, 0);
if(r == 0){
errno = ENOTSOCK;
return -1;
}
switch(r->domain){
case PF_INET:
lip = (struct sockaddr_in*)addr;
_sock_ingetaddr(r, lip, alen, "local");
break;
case PF_UNIX:
lunix = (struct sockaddr_un*)&r->addr;
i = &lunix->sun_path[strlen(lunix->sun_path)] - (char*)lunix;
memmove(addr, lunix, i);
*alen = i;
break;
default:
errno = EAFNOSUPPORT;
return -1;
}
return 0;
}
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