BSD 4_2 release

[unix-history] / usr / src / usr.bin / uucp / setline.c

#ifndef lint
static char sccsid[] = "@(#)setline.c   5.1 (Berkeley) 7/2/83";
#endif

/***
*      setline - optimize line setting for sending or receiving files
*
*      return code - none
*/

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

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

setline(type)
char type;
{
#ifdef  SYSIII
       static struct termio tbuf, sbuf;
       static int set = 0;

       DEBUG(2, "setline - %c\n", type);
       if (Unet)
               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;
/* Anticipatory bug fixes: set, sbuf now static, 'set' is now reset.  rti!trt */
               set = 0;
               ioctl(Ifn, TCSETAW, &sbuf);
               break;
       }
#endif
}