/*
* 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
* 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) 1995, by Sun Microsystems, Inc.
* All rights reserved.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
/*
* unctrl.c
*
* XCurses Library
*
* Copyright 1990, 1995 by Mortice Kern Systems Inc. All rights reserved.
*
*/
#if M_RCSID
#ifndef lint
static char rcsID[] = "$Header: /rd/src/libc/xcurses/rcs/unctrl.c 1.2 1995/10/02 19:34:15 ant Exp $";
#endif
#endif
#include <private.h>
#include <limits.h>
#include <ctype.h>
static const char *carat[] = {
"^?",
"^@",
"^A",
"^B",
"^C",
"^D",
"^E",
"^F",
"^G",
"^H",
"^I",
"^J",
"^K",
"^L",
"^M",
"^N",
"^O",
"^P",
"^Q",
"^R",
"^S",
"^T",
"^U",
"^V",
"^W",
"^X",
"^Y",
"^Z",
"^[",
"^\\",
"^]",
"^^",
"^_"
};
const char *
{
char *str;
int c, msb;
#ifdef M_CURSES_TRACE
#endif
/* Map wide character to a wide string. */
c = ch & A_CHARTEXT;
if (iscntrl(c)) {
/* ASCII DEL */
if (c == 127)
/* ASCII control codes. */
if (0 <= c && c < 32)
/* Something we don't know what to do with. */
return __m_return_pointer("unctrl", (char *) 0);
} else if (c & msb) {
/* Meta key notation if high bit is set on character. */
c &= ~msb;
chr[0] = 'M';
if (iscntrl(c)) {
} else {
chr[2] = c;
}
} else {
/* Return byte as is. */
chr[0] = c;
}
}