irix-657m-src/eoe/cmd/keyserv/mout.c

/*	Copyright (c) 1990, 1991 UNIX System Laboratories, Inc.	*/
/*	Copyright (c) 1984, 1986, 1987, 1988, 1989, 1990 AT&T	*/
/*	  All Rights Reserved  	*/

/*	THIS IS UNPUBLISHED PROPRIETARY SOURCE CODE OF     	*/
/*	UNIX System Laboratories, Inc.                     	*/
/*	The copyright notice above does not evidence any   	*/
/*	actual or intended publication of such source code.	*/


#ident	"@(#)keyserv:mout.c	1.1.3.2"

/*+++++++++++++++++++++++++++++++++++++++++++++++++++++++++
*	PROPRIETARY NOTICE (Combined)
*
* This source code is unpublished proprietary information
* constituting, or derived under license from AT&T's UNIX(r) System V.
* In addition, portions of such source code were derived from Berkeley
* 4.3 BSD under license from the Regents of the University of
* California.
*
*
*
*	Copyright Notice 
*
* Notice of copyright on this source code product does not indicate 
*  publication.
*
*	(c) 1986,1987,1988,1989,1990  Sun Microsystems, Inc
*	(c) 1983,1984,1985,1986,1987,1988,1989,1990  AT&T.
*	(c) 1990,1991  UNIX System Laboratories, Inc.
*          All rights reserved.
*/ 
/*
 * Copyright (c) 1980 Regents of the University of California.
 * All rights reserved.  The Berkeley software License Agreement
 * specifies the terms and conditions for redistribution.
 */

#if !defined(lint) && defined(SCCSIDS)
static char sccsid[] = "@(#)mout.c 1.1 89/03/10 Copyr 1986 Sun Micro";
#endif
/* from UCB 5.2 3/13/86 */

/* LINTLIBRARY */

#include <stdio.h>
#include "mp.h"

static
m_in(a,b,f) 
	MINT *a; FILE *f;
{
	MINT x, y, ten;
	int sign, c;
	short qten, qy;

	xfree(a);
	sign=1;
	ten.len=1;
	ten.val= &qten;
	qten=b;
	x.len=0;
	y.len=1;
	y.val= &qy;
	while ((c = getc(f)) != EOF)
	switch (c) {

	case '\\':
		(void)getc(f);
		continue;
	case '\t':
	case '\n': 
		a->len *= sign;
		xfree(&x);
		return(0);
	case ' ':
		continue;
	case '-': 
		sign = -sign;
		continue;
	default: 
		if(c>='0' && c<= '9') {	
			qy=c-'0';
			mult(&x,&ten,a);
			madd(a,&y,a);
			_mp_move(a,&x);
			continue;
		} else {	
			(void) ungetc(c,stdin);
			a->len *= sign;
			return(0);
		}
	}
	return(EOF);
}

static
m_out(a,b,f) MINT *a; FILE *f;
{	int sign,xlen,i;
	short r;
	MINT x;

	char *obuf, *malloc();
	register char *bp;

	if (a == NULL)
		return;	
	sign=1;
	xlen=a->len;
	if(xlen<0)
	{	xlen= -xlen;
		sign= -1;
	}
	if(xlen==0) {
		(void) fprintf(f,"0\n");
		return;
	}
	x.len=xlen;
	x.val=xalloc(xlen,"m_out");
	for(i=0;i<xlen;i++) x.val[i]=a->val[i];
	obuf=(char *)malloc(7*(unsigned)xlen);
	bp=obuf+7*xlen-1;
	*bp--=0;
	while(x.len>0)
	{	for(i=0;i<10&&x.len>0;i++)
		{	sdiv(&x,(short)b,&x,&r);
			*bp--=r+'0';
		}
		if(x.len>0) *bp--=' ';
	}
	if(sign==-1) *bp--='-';
	(void) fprintf(f,"%s\n",bp+1);
	free(obuf);
	xfree(&x);
}


static s_div();

sdiv(a,n,q,r) MINT *a,*q; short n; short *r;
{	MINT x,y;
	int sign;
	sign=1;
	x.len=a->len;
	x.val=a->val;
	if(n<0)
	{	sign= -sign;
		n= -n;
	}
	if(x.len<0)
	{	sign = -sign;
		x.len= -x.len;
	}
	s_div(&x,n,&y,r);
	xfree(q);
	q->val=y.val;
	q->len=sign*y.len;
	*r = *r*sign;
	return;
}

static
s_div(a,n,q,r) MINT *a,*q; short n; short *r;
{	int qlen;
	register int i;
	register long int x;
	register short *qval;
	register short *aval;

	x=0;
	qlen=a->len;
	q->val = xalloc(qlen,"s_div");
	aval = a->val + qlen;
	qval = q->val + qlen;
	for(i = qlen - 1; i >= 0 ;i--) {
		x = x * 0100000 + *--aval;
		*--qval = x / n;
		x = x % n;
	}
	*r=x;
	if(qlen && q->val[qlen-1]==0) qlen--;
	q->len=qlen;
	if(qlen==0) free((char *) q->val);
}

min(a) MINT *a;
{
	return(m_in(a,10,stdin));
}

omin(a) MINT *a;
{
	return(m_in(a,8,stdin));
}

mout(a) MINT *a;
{
	m_out(a,10,stdout);
}

omout(a) MINT *a;
{
	m_out(a,8,stdout);
}

fmout(a,f) MINT *a; FILE *f;
{	m_out(a,10,f);
}

fmin(a,f) MINT *a; FILE *f;
{
	return(m_in(a,10,f));
}