wrl.c

来自「minix操作系统最新版本（3.1.1）的源代码」· C语言 代码 · 共 52 行

/* $Header: /cvsup/minix/src/lib/ack/libp/wrl.c,v 1.1 2005/10/10 15:27:47 beng Exp $ */
/*
 * (c) copyright 1983 by the Vrije Universiteit, Amsterdam, The Netherlands.
 *
 *          This product is part of the Amsterdam Compiler Kit.
 *
 * Permission to use, sell, duplicate or disclose this software must be
 * obtained in writing. Requests for such permissions may be sent to
 *
 *      Dr. Andrew S. Tanenbaum
 *      Wiskundig Seminarium
 *      Vrije Universiteit
 *      Postbox 7161
 *      1007 MC Amsterdam
 *      The Netherlands
 *
 */

/* Author: J.W. Stevenson */

#include	<pc_err.h>
#include	<pc_file.h>

extern		_wstrin();

#define	MAXNEGLONG	-2147483648

_wsl(w,l,f) int w; long l; struct file *f; {
	char *p,c; long j; char buf[11];

	if (w < 0) _trp(EWIDTH);
	p = &buf[11];
	if ((j=l) < 0) {
		if (l == MAXNEGLONG) {
			_wstrin(w,11,"-2147483648",f);
			return;
		}
		j = -j;
	}
	do {
		c = j%10;
		*--p = c + '0';
	} while (j /= 10);
	if (l<0)
		*--p = '-';
	_wstrin(w,(int)(&buf[11]-p),p,f);
}

_wrl(l,f) long l; struct file *f; {
	_wsl(11,l,f);
}