Subversion Repositories planix.SVN

/* posix */
#include <sys/types.h>
#include <unistd.h>
#include <stdlib.h>
#include <stdio.h>
#include <fcntl.h>
#include <string.h>
#include <errno.h>
#include <sys/stat.h>

/* bsd extensions */
#include <sys/uio.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <sys/un.h>

#include "priv.h"

int
getpeername(int fd, void *addr, int *alen)
{
        Rock *r;
        int i;
        struct sockaddr_in *rip;
        struct sockaddr_un *runix;

        r = _sock_findrock(fd, 0);
        if(r == 0){
                errno = ENOTSOCK;
                return -1;
        }

        switch(r->domain){
        case PF_INET:
                rip = (struct sockaddr_in*)&r->raddr;
                memmove(addr, rip, sizeof(struct sockaddr_in));
                *alen = sizeof(struct sockaddr_in);
                break;
        case PF_UNIX:
                runix = (struct sockaddr_un*)&r->raddr;
                i = &runix->sun_path[strlen(runix->sun_path)] - (char*)runix;
                memmove(addr, runix, i);
                *alen = i;
                break;
        default:
                errno = EAFNOSUPPORT;
                return -1;
        }
        return 0;
}