diff options
Diffstat (limited to 'libc/stdio/wcio.h')
| -rw-r--r-- | libc/stdio/wcio.h | 80 |
1 files changed, 52 insertions, 28 deletions
diff --git a/libc/stdio/wcio.h b/libc/stdio/wcio.h index dd6db21a0..584a3f209 100644 --- a/libc/stdio/wcio.h +++ b/libc/stdio/wcio.h @@ -1,34 +1,34 @@ -/* - * Copyright (C) 2008 The Android Open Source Project +/* $OpenBSD: wcio.h,v 1.2 2013/04/17 17:40:35 tedu Exp $ */ +/* $NetBSD: wcio.h,v 1.3 2003/01/18 11:30:00 thorpej Exp $ */ + +/*- + * Copyright (c)2001 Citrus Project, * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: - * * Redistributions of source code must retain the above copyright + * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. - * * 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. + * 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. * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 - * COPYRIGHT OWNER 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 + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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. + * + * $Citrus$ */ -/* this file is only used to quiet the BSD stdio implementation - * since we don't implement wchar support at all - */ #ifndef _WCIO_H_ #define _WCIO_H_ @@ -36,22 +36,46 @@ #define WCIO_UNGETWC_BUFSIZE 1 struct wchar_io_data { - int dummy; + mbstate_t wcio_mbstate_in; + mbstate_t wcio_mbstate_out; + + wchar_t wcio_ungetwc_buf[WCIO_UNGETWC_BUFSIZE]; + size_t wcio_ungetwc_inbuf; + + int wcio_mode; /* orientation */ }; -/* BIONIC: disable wchar support */ #define WCIO_GET(fp) \ - ((struct wchar_io_data*) 0) + (_EXT(fp) ? &(_EXT(fp)->_wcio) : (struct wchar_io_data *)0) -#define _SET_ORIENTATION(fp, mode) ((void)0) +#define _SET_ORIENTATION(fp, mode) \ +do {\ + struct wchar_io_data *_wcio = WCIO_GET(fp); \ + if (_wcio && _wcio->wcio_mode == 0) \ + _wcio->wcio_mode = (mode);\ +} while (0) /* * WCIO_FREE should be called by fclose */ -#define WCIO_FREE(fp) ((void)(0)) +#define WCIO_FREE(fp) \ +do {\ + struct wchar_io_data *_wcio = WCIO_GET(fp); \ + if (_wcio) { \ + _wcio->wcio_mode = 0;\ + _wcio->wcio_ungetwc_inbuf = 0;\ + } \ +} while (0) -#define WCIO_FREEUB(fp) ((void)0) +#define WCIO_FREEUB(fp) \ +do {\ + struct wchar_io_data *_wcio = WCIO_GET(fp); \ + if (_wcio) { \ + _wcio->wcio_ungetwc_inbuf = 0;\ + } \ +} while (0) -#define WCIO_INIT(fp) ((void)0) +#define WCIO_INIT(fp) \ + memset(&(_EXT(fp)->_wcio), 0, sizeof(struct wchar_io_data)) #endif /*_WCIO_H_*/ |