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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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#include <signal.h>
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/* socket 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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/* plan 9 */
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#include "lib.h"
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#include "sys9.h"
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#include "priv.h"
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int
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bind(int fd, void *a, int alen)
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{
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	int n, len, cfd;
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	Rock *r;
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	char msg[128];
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	struct sockaddr_in *lip;
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	/* assign the address */
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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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	if(alen > sizeof(r->addr)){
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		errno = ENAMETOOLONG;
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		return -1;
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	}
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	memmove(&r->addr, a, alen);
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	/* the rest is IP sepecific */
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	if (r->domain != PF_INET)
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		return 0;
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	cfd = open(r->ctl, O_RDWR);
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	if(cfd < 0){
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		errno = EBADF;
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		return -1;
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	}
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	lip = (struct sockaddr_in*)&r->addr;
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	if(lip->sin_port > 0)
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		snprintf(msg, sizeof msg, "bind %d", ntohs(lip->sin_port));
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	else
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		strcpy(msg, "bind *");
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	n = write(cfd, msg, strlen(msg));
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	if(n < 0){
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		errno = EOPNOTSUPP;	/* Improve error reporting!!! */
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		close(cfd);
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		return -1;
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	}
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	close(cfd);
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	if(lip->sin_port <= 0)
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		_sock_ingetaddr(r, lip, &len, "local");
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	return 0;
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}