new copyright notices

[unix-history] / usr / src / contrib / connectd / cd / snd.c

/*-
* Copyright (c) 1993 The Regents of the University of California.
* All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* Bill Jolitz.
*
* %sccs.include.redist.c%
*/

#ifndef lint
static char sccsid[] = "@(#)snd.c       5.2 (Berkeley) %G%";
#endif /* not lint */

#include "main.h"

/*
* Send a message back to a customer,
* from data structures and return error status 
*/
int 
sendrequest(sock, rqst, cp, opts, optlen, fd) 
       int sock, rqst ;
       struct conversation *cp ;
       char *opts;
       int optlen, fd ;
{
       int rv ;
       struct iovec iov[4];
       struct msghdr msg ;

       /* send message to user application containing fd */
       msg.msg_name = "" ;
       msg.msg_namelen = 0 ;           /* size of address */
       iov[0].iov_base = (caddr_t) &rqst ;
       iov[0].iov_len = sizeof (rqst) ;
       iov[1].iov_base = (caddr_t) &cp->co_constatus ;
       iov[1].iov_len = sizeof(int) ;
       msg.msg_iov = iov;
       msg.msg_iovlen = 2;
       if (opts) {
               iov[2].iov_base = (caddr_t) opts;
               iov[2].iov_len = optlen ;
               msg.msg_iovlen = 3;
       }
       if (fd >= 0) {
               msg.msg_accrights = (caddr_t) &fd ;
               msg.msg_accrightslen = sizeof(int) ;
       } else  {
               msg.msg_accrightslen = 0 ;
               msg.msg_accrights = 0 ;
       }

       rv = sendmsg(sock, &msg, 0) ; 
       if (rv < 0) {
               perror("snd:") ;
       }
       return (rv) ;
}