97 lines
1.9 KiB
C
97 lines
1.9 KiB
C
#ifndef lint
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static char sccsid[] = "@(#)t_snd.c 1.1 94/10/31 SMI";
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#endif
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/* Copyright (c) 1984 AT&T */
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/* All Rights Reserved */
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/* THIS IS UNPUBLISHED PROPRIETARY SOURCE CODE OF AT&T */
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/* The copyright notice above does not evidence any */
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/* actual or intended publication of such source code. */
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/*
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#ident "@(#)libnsl:nsl/t_snd.c 1.3"
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*/
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#include <sys/param.h>
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#include <sys/types.h>
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#include <sys/errno.h>
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#include <sys/stream.h>
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#include <sys/ioctl.h>
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#include <sys/stropts.h>
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#include <nettli/tihdr.h>
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#include <nettli/timod.h>
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#include <nettli/tiuser.h>
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extern int t_errno;
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extern int errno;
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extern struct _ti_user *_t_checkfd();
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extern int putmsg();
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t_snd(fd, buf, nbytes, flags)
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int fd;
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register char *buf;
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unsigned nbytes;
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int flags;
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{
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struct strbuf ctlbuf, databuf;
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struct T_data_req *datareq;
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int flg = 0;
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int tmpcnt, tmp;
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char *tmpbuf;
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register struct _ti_user *tiptr;
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if ((tiptr = _t_checkfd(fd)) == NULL)
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return(-1);
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if (tiptr->ti_servtype == T_CLTS) {
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t_errno = TNOTSUPPORT;
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return(-1);
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}
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datareq = (struct T_data_req *)tiptr->ti_ctlbuf;
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if (flags&T_EXPEDITED) {
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datareq->PRIM_type = T_EXDATA_REQ;
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} else
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datareq->PRIM_type = T_DATA_REQ;
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ctlbuf.maxlen = sizeof(struct T_data_req);
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ctlbuf.len = sizeof(struct T_data_req);
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ctlbuf.buf = tiptr->ti_ctlbuf;
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tmp = nbytes;
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tmpbuf = buf;
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while (tmp) {
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if ((tmpcnt = tmp) > tiptr->ti_maxpsz) {
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datareq->MORE_flag = 1;
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tmpcnt = tiptr->ti_maxpsz;
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} else {
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if (flags&T_MORE)
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datareq->MORE_flag = 1;
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else
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datareq->MORE_flag = 0;
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}
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databuf.maxlen = tmpcnt;
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databuf.len = tmpcnt;
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databuf.buf = tmpbuf;
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if (putmsg(fd, &ctlbuf, &databuf, flg) < 0) {
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if (nbytes == tmp) {
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if (errno == EAGAIN)
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t_errno = TFLOW;
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else
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t_errno = TSYSERR;
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return(-1);
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} else
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return(nbytes - tmp);
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}
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tmp = tmp - tmpcnt;
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tmpbuf = tmpbuf + tmpcnt;
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}
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return(nbytes - tmp);
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}
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