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