51ffecc181
. abandons mixer, gomoku, talk, talkd, top from base system . compile top with clang so no ack-compiled program needs -lcurses any more
138 lines
3.7 KiB
C
138 lines
3.7 KiB
C
/* $NetBSD: cchar.c,v 1.5 2010/12/16 17:42:28 wiz Exp $ */
|
|
|
|
/*
|
|
* Copyright (c) 2005 The NetBSD Foundation Inc.
|
|
* All rights reserved.
|
|
*
|
|
* This code is derived from code donated to the NetBSD Foundation
|
|
* by Ruibiao Qiu <ruibiao@arl.wustl.edu,ruibiao@gmail.com>.
|
|
*
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 3. Neither the name of the NetBSD Foundation nor the names of its
|
|
* contributors may be used to endorse or promote products derived
|
|
* from this software without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND
|
|
* CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
|
|
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
|
|
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*/
|
|
|
|
#include <sys/cdefs.h>
|
|
#ifndef lint
|
|
__RCSID("$NetBSD: cchar.c,v 1.5 2010/12/16 17:42:28 wiz Exp $");
|
|
#endif /* not lint */
|
|
|
|
#include <string.h>
|
|
|
|
#include "curses.h"
|
|
#include "curses_private.h"
|
|
|
|
/*
|
|
* getcchar --
|
|
* get a wide-character string and rendition from a cchar_t
|
|
*/
|
|
int
|
|
getcchar(const cchar_t *wcval, wchar_t *wch, attr_t *attrs,
|
|
short *color_pair, void *opts)
|
|
{
|
|
#ifndef HAVE_WCHAR
|
|
return ERR;
|
|
#else
|
|
wchar_t *wp;
|
|
size_t len;
|
|
|
|
if ( opts )
|
|
return ERR;
|
|
|
|
len = (wp = wmemchr(wcval->vals, L'\0', CCHARW_MAX))
|
|
? wp - wcval->vals : CCHARW_MAX;
|
|
|
|
if (wch == NULL)
|
|
return (int) len;
|
|
if (attrs == 0 || color_pair == 0)
|
|
return ERR;
|
|
if (len > 0) {
|
|
*attrs = wcval->attributes;
|
|
*color_pair = COLOR_PAIR( wcval -> attributes );
|
|
wmemcpy(wch, wcval->vals, (unsigned) len);
|
|
wch[len] = L'\0';
|
|
}
|
|
return OK;
|
|
#endif /* HAVE_WCHAR */
|
|
}
|
|
|
|
/*
|
|
* setcchar --
|
|
* set cchar_t from a wide-character string and rendition
|
|
*/
|
|
int
|
|
setcchar(cchar_t *wcval, const wchar_t *wch, const attr_t attrs,
|
|
short color_pair, const void *opts)
|
|
{
|
|
#ifndef HAVE_WCHAR
|
|
return ERR;
|
|
#else
|
|
int i;
|
|
size_t len;
|
|
|
|
if (opts || (len = wcslen(wch)) > CCHARW_MAX
|
|
|| (len > 1 && wcwidth(wch[0]) < 0)) {
|
|
return ERR;
|
|
}
|
|
|
|
/*
|
|
* If we have a following spacing-character, stop at that point. We
|
|
* are only interested in adding non-spacing characters.
|
|
*/
|
|
for (i = 1; i < len; ++i) {
|
|
if (wcwidth(wch[i]) != 0) {
|
|
len = i;
|
|
break;
|
|
}
|
|
}
|
|
|
|
memset(wcval, 0, sizeof(*wcval));
|
|
if (len != 0) {
|
|
wcval -> attributes = attrs | color_pair;
|
|
wcval -> elements = 1;
|
|
memcpy(&wcval->vals, wch, len * sizeof(wchar_t));
|
|
}
|
|
|
|
return OK;
|
|
#endif /* HAVE_WCHAR */
|
|
}
|
|
|
|
void
|
|
__cursesi_chtype_to_cchar(chtype in, cchar_t *out)
|
|
{
|
|
unsigned int idx;
|
|
|
|
if (in & __ACS_IS_WACS) {
|
|
idx = in & __CHARTEXT;
|
|
if (idx < NUM_ACS) {
|
|
memcpy(out, &_wacs_char[idx], sizeof(cchar_t));
|
|
out->attributes |= in & __ATTRIBUTES;
|
|
return;
|
|
}
|
|
}
|
|
out->vals[0] = in & __CHARTEXT;
|
|
out->attributes = in & __ATTRIBUTES;
|
|
out->elements = 1;
|
|
}
|