101ae00f3170ad0e36c1657f6ff8c89dfa730fd37Elliott Hughes/* $OpenBSD: wcio.h,v 1.2 2013/04/17 17:40:35 tedu Exp $ */ 201ae00f3170ad0e36c1657f6ff8c89dfa730fd37Elliott Hughes/* $NetBSD: wcio.h,v 1.3 2003/01/18 11:30:00 thorpej Exp $ */ 301ae00f3170ad0e36c1657f6ff8c89dfa730fd37Elliott Hughes 401ae00f3170ad0e36c1657f6ff8c89dfa730fd37Elliott Hughes/*- 501ae00f3170ad0e36c1657f6ff8c89dfa730fd37Elliott Hughes * Copyright (c)2001 Citrus Project, 61dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * All rights reserved. 71dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * 81dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * Redistribution and use in source and binary forms, with or without 91dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * modification, are permitted provided that the following conditions 101dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * are met: 1101ae00f3170ad0e36c1657f6ff8c89dfa730fd37Elliott Hughes * 1. Redistributions of source code must retain the above copyright 121dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * notice, this list of conditions and the following disclaimer. 1301ae00f3170ad0e36c1657f6ff8c89dfa730fd37Elliott Hughes * 2. Redistributions in binary form must reproduce the above copyright 1401ae00f3170ad0e36c1657f6ff8c89dfa730fd37Elliott Hughes * notice, this list of conditions and the following disclaimer in the 1501ae00f3170ad0e36c1657f6ff8c89dfa730fd37Elliott Hughes * documentation and/or other materials provided with the distribution. 161dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * 1701ae00f3170ad0e36c1657f6ff8c89dfa730fd37Elliott Hughes * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 1801ae00f3170ad0e36c1657f6ff8c89dfa730fd37Elliott Hughes * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 1901ae00f3170ad0e36c1657f6ff8c89dfa730fd37Elliott Hughes * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 2001ae00f3170ad0e36c1657f6ff8c89dfa730fd37Elliott Hughes * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 2101ae00f3170ad0e36c1657f6ff8c89dfa730fd37Elliott Hughes * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 2201ae00f3170ad0e36c1657f6ff8c89dfa730fd37Elliott Hughes * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 2301ae00f3170ad0e36c1657f6ff8c89dfa730fd37Elliott Hughes * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 2401ae00f3170ad0e36c1657f6ff8c89dfa730fd37Elliott Hughes * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 2501ae00f3170ad0e36c1657f6ff8c89dfa730fd37Elliott Hughes * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 2601ae00f3170ad0e36c1657f6ff8c89dfa730fd37Elliott Hughes * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 271dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * SUCH DAMAGE. 2801ae00f3170ad0e36c1657f6ff8c89dfa730fd37Elliott Hughes * 2901ae00f3170ad0e36c1657f6ff8c89dfa730fd37Elliott Hughes * $Citrus$ 301dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project */ 311dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 321dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#ifndef _WCIO_H_ 331dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#define _WCIO_H_ 341dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 35c48c3e4bb3d1665f3e9fa2785daafa72dfe59399Elliott Hughes#include <sys/cdefs.h> 36c48c3e4bb3d1665f3e9fa2785daafa72dfe59399Elliott Hughes 37c48c3e4bb3d1665f3e9fa2785daafa72dfe59399Elliott Hughes__BEGIN_DECLS 38c48c3e4bb3d1665f3e9fa2785daafa72dfe59399Elliott Hughes 391dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project/* minimal requirement of SUSv2 */ 401dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#define WCIO_UNGETWC_BUFSIZE 1 411dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 421dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Projectstruct wchar_io_data { 4301ae00f3170ad0e36c1657f6ff8c89dfa730fd37Elliott Hughes mbstate_t wcio_mbstate_in; 4401ae00f3170ad0e36c1657f6ff8c89dfa730fd37Elliott Hughes mbstate_t wcio_mbstate_out; 4501ae00f3170ad0e36c1657f6ff8c89dfa730fd37Elliott Hughes 4601ae00f3170ad0e36c1657f6ff8c89dfa730fd37Elliott Hughes wchar_t wcio_ungetwc_buf[WCIO_UNGETWC_BUFSIZE]; 4701ae00f3170ad0e36c1657f6ff8c89dfa730fd37Elliott Hughes size_t wcio_ungetwc_inbuf; 4801ae00f3170ad0e36c1657f6ff8c89dfa730fd37Elliott Hughes 4901ae00f3170ad0e36c1657f6ff8c89dfa730fd37Elliott Hughes int wcio_mode; /* orientation */ 501dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project}; 511dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 521dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#define WCIO_GET(fp) \ 5301ae00f3170ad0e36c1657f6ff8c89dfa730fd37Elliott Hughes (_EXT(fp) ? &(_EXT(fp)->_wcio) : (struct wchar_io_data *)0) 541dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 5501ae00f3170ad0e36c1657f6ff8c89dfa730fd37Elliott Hughes#define _SET_ORIENTATION(fp, mode) \ 5601ae00f3170ad0e36c1657f6ff8c89dfa730fd37Elliott Hughesdo {\ 5701ae00f3170ad0e36c1657f6ff8c89dfa730fd37Elliott Hughes struct wchar_io_data *_wcio = WCIO_GET(fp); \ 5801ae00f3170ad0e36c1657f6ff8c89dfa730fd37Elliott Hughes if (_wcio && _wcio->wcio_mode == 0) \ 5901ae00f3170ad0e36c1657f6ff8c89dfa730fd37Elliott Hughes _wcio->wcio_mode = (mode);\ 6001ae00f3170ad0e36c1657f6ff8c89dfa730fd37Elliott Hughes} while (0) 611dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 621dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project/* 631dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * WCIO_FREE should be called by fclose 641dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project */ 6501ae00f3170ad0e36c1657f6ff8c89dfa730fd37Elliott Hughes#define WCIO_FREE(fp) \ 6601ae00f3170ad0e36c1657f6ff8c89dfa730fd37Elliott Hughesdo {\ 6701ae00f3170ad0e36c1657f6ff8c89dfa730fd37Elliott Hughes struct wchar_io_data *_wcio = WCIO_GET(fp); \ 6801ae00f3170ad0e36c1657f6ff8c89dfa730fd37Elliott Hughes if (_wcio) { \ 6901ae00f3170ad0e36c1657f6ff8c89dfa730fd37Elliott Hughes _wcio->wcio_mode = 0;\ 7001ae00f3170ad0e36c1657f6ff8c89dfa730fd37Elliott Hughes _wcio->wcio_ungetwc_inbuf = 0;\ 7101ae00f3170ad0e36c1657f6ff8c89dfa730fd37Elliott Hughes } \ 7201ae00f3170ad0e36c1657f6ff8c89dfa730fd37Elliott Hughes} while (0) 731dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 7401ae00f3170ad0e36c1657f6ff8c89dfa730fd37Elliott Hughes#define WCIO_FREEUB(fp) \ 7501ae00f3170ad0e36c1657f6ff8c89dfa730fd37Elliott Hughesdo {\ 7601ae00f3170ad0e36c1657f6ff8c89dfa730fd37Elliott Hughes struct wchar_io_data *_wcio = WCIO_GET(fp); \ 7701ae00f3170ad0e36c1657f6ff8c89dfa730fd37Elliott Hughes if (_wcio) { \ 7801ae00f3170ad0e36c1657f6ff8c89dfa730fd37Elliott Hughes _wcio->wcio_ungetwc_inbuf = 0;\ 7901ae00f3170ad0e36c1657f6ff8c89dfa730fd37Elliott Hughes } \ 8001ae00f3170ad0e36c1657f6ff8c89dfa730fd37Elliott Hughes} while (0) 811dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 8201ae00f3170ad0e36c1657f6ff8c89dfa730fd37Elliott Hughes#define WCIO_INIT(fp) \ 8301ae00f3170ad0e36c1657f6ff8c89dfa730fd37Elliott Hughes memset(&(_EXT(fp)->_wcio), 0, sizeof(struct wchar_io_data)) 841dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 85c48c3e4bb3d1665f3e9fa2785daafa72dfe59399Elliott Hughes__END_DECLS 86c48c3e4bb3d1665f3e9fa2785daafa72dfe59399Elliott Hughes 871dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#endif /*_WCIO_H_*/ 88