setline.c

来自「<B>Digital的Unix操作系统VAX 4.2源码</B>」· C语言 代码 · 共 49 行

#ifndef lint
static char sccsid[] = "@(#)setline.c	4.1 (decvax!larry) 7/2/90";
#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);
	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);
/* Probable bugs: sbuf should be static, set should be reset to 0. rti!trt */
/* fixed 10/3/83 decvax!larry */
		break;
	}
#endif
}