usr/src/usr.bin/uucp/libuu/setline.c

/*-
 * Copyright (c) 1985, 1993
 *      The Regents of the University of California.  All rights reserved.
 *
 * This module is believed to contain source code proprietary to AT&T.
 * Use and redistribution is subject to the Berkeley Software License
 * Agreement and your Software Agreement with AT&T (Western Electric).
 */

#ifndef lint
static char sccsid[] = "@(#)setline.c   8.1 (Berkeley) 6/6/93";
#endif /* not lint */

#include "uucp.h"
#ifdef  USG
#include <termio.h>
#endif

#define PACKSIZE        64
#define SNDFILE 'S'
#define RCVFILE 'R'
#define RESET   'X'

/*LINTLIBRARY*/

/*
 *      optimize line setting for sending or receiving files
 *
 *      return code - none
 */
/*ARGSUSED*/
setupline(type)
char type;
{
#ifdef  USG
        static struct termio tbuf, sbuf;
        static int set = 0;

        DEBUG(2, "setline - %c\n", type);
        if (IsTcpIp)
                return;
        switch(type) {
        case SNDFILE:
                break;
        case RCVFILE:
                ioctl(Ifn, TCGETA, &tbuf);
                sbuf = tbuf;
                tbuf.c_cc[VMIN] = PACKSIZE;
                ioctl(Ifn, TCSETAW, &tbuf);
                set++;
                break;
        case RESET:
                if (set == 0) break;
                set = 0;
                ioctl(Ifn, TCSETAW, &sbuf);
                break;
        }
#endif
}