294 lines
6.6 KiB
C
294 lines
6.6 KiB
C
/*
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* CDE - Common Desktop Environment
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*
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* Copyright (c) 1993-2012, The Open Group. All rights reserved.
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*
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* These libraries and programs are free software; you can
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* redistribute them and/or modify them under the terms of the GNU
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* Lesser General Public License as published by the Free Software
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* Foundation; either version 2 of the License, or (at your option)
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* any later version.
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*
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* These libraries and programs are distributed in the hope that
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* they will be useful, but WITHOUT ANY WARRANTY; without even the
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* implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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* PURPOSE. See the GNU Lesser General Public License for more
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* details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with these libraries and programs; if not, write
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* to the Free Software Foundation, Inc., 51 Franklin Street, Fifth
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* Floor, Boston, MA 02110-1301 USA
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*/
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/* lcStd.c 1.1 - Fujitsu source for CDEnext 95/11/06 20:32:41 */
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/* $XConsortium: _fallcStd.c /main/1 1996/04/08 15:19:02 cde-fuj $ */
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/*
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* Copyright 1992, 1993 by TOSHIBA Corp.
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*
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* Permission to use, copy, modify, and distribute this software and its
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* documentation for any purpose and without fee is hereby granted, provided
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* that the above copyright notice appear in all copies and that both that
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* copyright notice and this permission notice appear in supporting
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* documentation, and that the name of TOSHIBA not be used in advertising
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* or publicity pertaining to distribution of the software without specific,
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* written prior permission. TOSHIBA make no representations about the
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* suitability of this software for any purpose. It is provided "as is"
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* without express or implied warranty.
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*
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* TOSHIBA DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
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* ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
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* TOSHIBA BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
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* ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
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* WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
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* ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
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* SOFTWARE.
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*
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* Author: Katsuhisa Yano TOSHIBA Corp.
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* mopi@osa.ilab.toshiba.co.jp
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*/
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#include "_fallibint.h"
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#include "_fallcPubI.h"
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int
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_fallcmbtowc(XLCd lcd, wchar_t *wstr, char *str, int len)
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{
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static XLCd last_lcd = NULL;
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static XlcConv conv = NULL;
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XPointer from, to;
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int from_left, to_left;
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wchar_t tmp_wc;
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if (lcd == NULL) {
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lcd = _fallcCurrentLC();
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if (lcd == NULL)
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return -1;
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}
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if (str == NULL)
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return XLC_PUBLIC(lcd, is_state_depend);
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if (conv && lcd != last_lcd) {
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_fallcCloseConverter(conv);
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conv = NULL;
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}
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last_lcd = lcd;
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if (conv == NULL) {
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conv = _fallcOpenConverter(lcd, XlcNMultiByte, lcd, XlcNWideChar);
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if (conv == NULL)
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return -1;
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}
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from = (XPointer) str;
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from_left = len;
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to = (XPointer) (wstr ? wstr : &tmp_wc);
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to_left = 1;
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if (_fallcConvert(conv, &from, &from_left, &to, &to_left, NULL, 0) < 0)
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return -1;
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return (len - from_left);
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}
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int
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_fallcwctomb(XLCd lcd, char *str, wchar_t wc)
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{
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static XLCd last_lcd = NULL;
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static XlcConv conv = NULL;
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XPointer from, to;
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int from_left, to_left, length;
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if (lcd == NULL) {
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lcd = _fallcCurrentLC();
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if (lcd == NULL)
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return -1;
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}
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if (str == NULL)
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return XLC_PUBLIC(lcd, is_state_depend);
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if (conv && lcd != last_lcd) {
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_fallcCloseConverter(conv);
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conv = NULL;
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}
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last_lcd = lcd;
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if (conv == NULL) {
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conv = _fallcOpenConverter(lcd, XlcNWideChar, lcd, XlcNMultiByte);
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if (conv == NULL)
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return -1;
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}
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from = (XPointer) &wc;
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from_left = 1;
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to = (XPointer) str;
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length = to_left = XLC_PUBLIC(lcd, mb_cur_max);
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if (_fallcConvert(conv, &from, &from_left, &to, &to_left, NULL, 0) < 0)
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return -1;
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return (length - to_left);
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}
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int
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_fallcmbstowcs(XLCd lcd, wchar_t *wstr, char *str, int len)
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{
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XlcConv conv;
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XPointer from, to;
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int from_left, to_left, ret;
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if (lcd == NULL) {
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lcd = _fallcCurrentLC();
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if (lcd == NULL)
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return -1;
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}
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conv = _fallcOpenConverter(lcd, XlcNMultiByte, lcd, XlcNWideChar);
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if (conv == NULL)
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return -1;
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from = (XPointer) str;
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from_left = strlen(str);
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to = (XPointer) wstr;
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to_left = len;
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if (_fallcConvert(conv, &from, &from_left, &to, &to_left, NULL, 0) < 0)
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ret = -1;
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else {
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ret = len - to_left;
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if (wstr && to_left > 0)
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wstr[ret] = (wchar_t) 0;
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}
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_fallcCloseConverter(conv);
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return ret;
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}
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int
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_fallcwcstombs(XLCd lcd, char *str, wchar_t *wstr, int len)
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{
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XlcConv conv;
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XPointer from, to;
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int from_left, to_left, ret;
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if (lcd == NULL) {
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lcd = _fallcCurrentLC();
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if (lcd == NULL)
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return -1;
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}
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conv = _fallcOpenConverter(lcd, XlcNWideChar, lcd, XlcNMultiByte);
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if (conv == NULL)
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return -1;
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from = (XPointer) wstr;
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from_left = _falwcslen(wstr);
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to = (XPointer) str;
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to_left = len;
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if (_fallcConvert(conv, &from, &from_left, &to, &to_left, NULL, 0) < 0)
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ret = -1;
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else {
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ret = len - to_left;
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if (str && to_left > 0)
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str[ret] = '\0';
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}
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_fallcCloseConverter(conv);
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return ret;
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}
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int
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_falmbtowc(wchar_t *wstr, char *str, int len)
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{
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return _fallcmbtowc((XLCd) NULL, wstr, str, len);
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}
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int
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_falmblen(char *str, int len)
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{
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return _falmbtowc((wchar_t *) NULL, str, len);
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}
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int
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_falwctomb(char *str, wchar_t wc)
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{
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return _fallcwctomb((XLCd) NULL, str, wc);
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}
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int
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_falmbstowcs(wchar_t *wstr, char *str, int len)
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{
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return _fallcmbstowcs((XLCd) NULL, wstr, str, len);
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}
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int
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_falwcstombs(char *str, wchar_t *wstr, int len)
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{
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return _fallcwcstombs((XLCd) NULL, str, wstr, len);
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}
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wchar_t *
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_falwcscpy(wchar_t *wstr1, wchar_t *wstr2)
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{
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wchar_t *wstr_tmp = wstr1;
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while (*wstr1++ = *wstr2++)
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;
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return wstr_tmp;
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}
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wchar_t *
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_falwcsncpy(wchar_t *wstr1, wchar_t *wstr2, int len)
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{
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wchar_t *wstr_tmp = wstr1;
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while (len-- > 0)
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if (!(*wstr1++ = *wstr2++))
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break;
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while (len-- > 0)
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*wstr1++ = (wchar_t) 0;
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return wstr_tmp;
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}
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int
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_falwcslen(wchar_t *wstr)
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{
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wchar_t *wstr_ptr = wstr;
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while (*wstr_ptr)
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wstr_ptr++;
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return wstr_ptr - wstr;
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}
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int
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_falwcscmp(wchar_t *wstr1, wchar_t *wstr2)
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{
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for ( ; *wstr1 && *wstr2; wstr1++, wstr2++)
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if (*wstr1 != *wstr2)
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break;
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return *wstr1 - *wstr2;
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}
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int
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_falwcsncmp(wchar_t *wstr1, wchar_t *wstr2, int len)
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{
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for ( ; *wstr1 && *wstr2 && len > 0; wstr1++, wstr2++, len--)
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if (*wstr1 != *wstr2)
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break;
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if (len <= 0)
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return 0;
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return *wstr1 - *wstr2;
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}
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