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