wunctrl.c revision 7c478bd95313f5f23a4c958a745db2134aa03244
/*
* 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) 1995-1998 by Sun Microsystems, Inc.
* All rights reserved.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
/* LINTLIBRARY */
/*
* wunctrl.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/wunctrl.c 1.1 "
"1995/05/16 15:15:37 ant Exp $";
#endif
#endif
#include <private.h>
static const wchar_t *carat[] = {
L"^?",
L"^@",
L"^A",
L"^B",
L"^C",
L"^D",
L"^E",
L"^F",
L"^G",
L"^H",
L"^I",
L"^J",
L"^K",
L"^L",
L"^M",
L"^N",
L"^O",
L"^P",
L"^Q",
L"^R",
L"^S",
L"^T",
L"^U",
L"^V",
L"^W",
L"^X",
L"^Y",
L"^Z",
L"^[",
L"^\\",
L"^]",
L"^^",
L"^_"
};
wchar_t *
wunctrl(cchar_t *cc)
{
int i;
wint_t wc;
static wchar_t wcs[_M_CCHAR_MAX + 1];
if (cc->_n <= 0)
return (NULL);
/* Map wide character to a wide string. */
wc = cc->_wc[0];
if (iswcntrl(wc)) {
if (wc == 127)
return ((wchar_t *)carat[0]);
if (0 <= wc && wc <= 32)
return ((wchar_t *)carat[wc+1]);
return (NULL);
}
for (i = 0; i < cc->_n; ++i)
wcs[i] = cc->_wc[i];
wcs[i] = L'\0';
return (wcs);
}