xgetwidth.c revision 7257d1b4d25bfac0c802847390e98a464fd787ac
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2008 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
/* Copyright (c) 1986 AT&T */
/* All Rights Reserved */
#pragma ident "%Z%%M% %I% %E% SMI"
/*
* _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 "lint.h"
#include <sys/types.h>
#include <euc.h>
#include <getwidth.h>
extern int _cswidth[];
void
_xgetwidth(void)
{
eucwidth_t _eucwidth;
*_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;
}