/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License, Version 1.0 only
 * (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 (c) 1996, by Sun Microsystems, Inc.
 * All rights reserved.
 */

/*
 * Dummy version of getsyntx() from C/370.
 * This version simply uses the external variable VARIANTS, and assigns them
 * to the variant structure.
 * This is a dummy routine, that would not actually run on any production
 * system.
 *
 * Copyright 1993 by Mortice Kern Systems Inc.  All rights reserved.
 *
 */
#ifdef M_RCSID
#ifndef lint
static char const rcsID[] = "$Header: /rd/src/libc/mks/rcs/getsyntx.c 1.4 1995/04/19 23:04:55 ross Exp $";
#endif /* lint */
#endif /* M_RCSID */

#include <mks.h>
#include <variant.h>
#include <stdlib.h>

struct variant *
getsyntx(void)
{
	static struct variant v;
	static char const var[] = "\\][}{^~!#|$@`";
	char const *e;

	if ((e = __m_getenv("VARIANTS")) == NULL || *e == '\0')
		e = var;
	else if (strlen(e) != 13) {
		m_error("getsyntx: environment variable VARIANTS: must be exactly 13 bytes long");
		return NULL;
	}
	v.backslash = e[0];
	v.right_bracket = e[1];
	v.left_bracket = e[2];
	v.right_brace = e[3];
	v.left_brace = e[4];
	v.circumflex = e[5];
	v.tilde = e[6];
	v.exclamation_mark = e[7];
	v.number_sign = e[8];
	v.vertical_line = e[9];
	v.dollar_sign = e[10];
	v.commercial_at = e[11];
	v.grave_accent = e[12];
	return &v;
}