/*
 * |-----------------------------------------------------------|
 * | Copyright (c) 1990 MIPS Computer Systems, Inc.            |
 * | All Rights Reserved                                       |
 * |-----------------------------------------------------------|
 * |          Restricted Rights Legend                         |
 * | Use, duplication, or disclosure by the Government is      |
 * | subject to restrictions as set forth in                   |
 * | subparagraph (c)(1)(ii) of the Rights in Technical        |
 * | Data and Computer Software Clause of DFARS 52.227-7013.   |
 * |         MIPS Computer Systems, Inc.                       |
 * |         928 Arques Avenue                                 |
 * |         Sunnyvale, CA 94086                               |
 * |-----------------------------------------------------------|
 */
#ident	"$Header: xgetwidth.c,v 1.1.2.1 92/06/24 14:11:05 marker Exp $"

/*	Copyright (c) 1986 AT&T	*/
/*	  All Rights Reserved  	*/

/*	THIS IS UNPUBLISHED PROPRIETARY SOURCE CODE OF AT&T	*/
/*	The copyright notice above does not evidence any   	*/
/*	actual or intended publication of such source code.	*/

/*	This module is created for NLS on Sep.03.86		*/

#ident	"@(#)libw-port:wstdio/xgetwidth.c	1.0"

/*
 * _Xgetwidth calls _getwidth to get the values of environment variables
 * CSWIDTH, SCRWIDTH and PCWIDTH, and checks the values to fit C process
 * environment. This function is called only once in a program.
 */

#include "shlib.h"
#include <euc.h>
#include <getwidth.h>
extern eucwidth_t _eucwidth;
extern int _cswidth[];
extern char *getenv();

void
_xgetwidth()
{
	*_cswidth = 1; /* set to 1 when called */
	getwidth(&_eucwidth);

	if (_eucwidth._eucw1 <= 4)
		_cswidth[1] = _eucwidth._eucw1;
	if (_eucwidth._eucw2 <= 4)
		_cswidth[2] = _eucwidth._eucw2;
	if (_eucwidth._eucw3 <= 4)
		_cswidth[3] = _eucwidth._eucw3;
}
