1/*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License, Version 1.0 only
6 * (the "License").  You may not use this file except in compliance
7 * with the License.
8 *
9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10 * or http://www.opensolaris.org/os/licensing.
11 * See the License for the specific language governing permissions
12 * and limitations under the License.
13 *
14 * When distributing Covered Code, include this CDDL HEADER in each
15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16 * If applicable, add the following below this CDDL HEADER, with the
17 * fields enclosed by brackets "[]" replaced with your own identifying
18 * information: Portions Copyright [yyyy] [name of copyright owner]
19 *
20 * CDDL HEADER END
21 */
22/*
23 * Copyright (c) 1996, by Sun Microsystems, Inc.
24 * All rights reserved.
25 */
26
27#pragma ident	"%Z%%M%	%I%	%E% SMI"
28
29/*
30 * Dummy version of getsyntx() from C/370.
31 * This version simply uses the external variable VARIANTS, and assigns them
32 * to the variant structure.
33 * This is a dummy routine, that would not actually run on any production
34 * system.
35 *
36 * Copyright 1993 by Mortice Kern Systems Inc.  All rights reserved.
37 *
38 */
39#ifdef M_RCSID
40#ifndef lint
41static char const rcsID[] = "$Header: /rd/src/libc/mks/rcs/getsyntx.c 1.4 1995/04/19 23:04:55 ross Exp $";
42#endif /* lint */
43#endif /* M_RCSID */
44
45#include <mks.h>
46#include <variant.h>
47#include <stdlib.h>
48
49struct variant *
50getsyntx(void)
51{
52	static struct variant v;
53	static char const var[] = "\\][}{^~!#|$@`";
54	char const *e;
55
56	if ((e = __m_getenv("VARIANTS")) == NULL || *e == '\0')
57		e = var;
58	else if (strlen(e) != 13) {
59		m_error("getsyntx: environment variable VARIANTS: must be exactly 13 bytes long");
60		return NULL;
61	}
62	v.backslash = e[0];
63	v.right_bracket = e[1];
64	v.left_bracket = e[2];
65	v.right_brace = e[3];
66	v.left_brace = e[4];
67	v.circumflex = e[5];
68	v.tilde = e[6];
69	v.exclamation_mark = e[7];
70	v.number_sign = e[8];
71	v.vertical_line = e[9];
72	v.dollar_sign = e[10];
73	v.commercial_at = e[11];
74	v.grave_accent = e[12];
75	return &v;
76}
77