forked from KolibriOS/kolibrios
126 lines
3.6 KiB
C
126 lines
3.6 KiB
C
/*-
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* Copyright (c) 2002 Tim J. Robbins.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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/*
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FUNCTION
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<<putwchar>>, <<putwchar_unlocked>>---write a wide character to standard output
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INDEX
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putwchar
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INDEX
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putwchar_unlocked
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INDEX
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_putwchar_r
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INDEX
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_putwchar_unlocked_r
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ANSI_SYNOPSIS
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#include <wchar.h>
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wint_t putwchar(wchar_t <[wc]>);
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#include <wchar.h>
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wint_t putwchar_unlocked(wchar_t <[wc]>);
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#include <wchar.h>
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wint_t _putwchar_r(struct _reent *<[reent]>, wchar_t <[wc]>);
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#include <wchar.h>
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wint_t _putwchar_unlocked_r(struct _reent *<[reent]>, wchar_t <[wc]>);
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TRAD_SYNOPSIS
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#include <wchar.h>
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wint_t putwchar(<[wc]>)
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wchar_t <[wc]>;
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#include <wchar.h>
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wint_t putwchar_unlocked(<[wc]>)
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wchar_t <[wc]>;
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#include <wchar.h>
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wint_t _putwchar_r(<[reent]>, <[wc]>)
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struct _reent *<[reent]>;
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wchar_t <[wc]>;
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#include <wchar.h>
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wint_t _putwchar_unlocked_r(<[reent]>, <[wc]>)
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struct _reent *<[reent]>;
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wchar_t <[wc]>;
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DESCRIPTION
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The <<putwchar>> function or macro is the wide-character equivalent of
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the <<putchar>> function. It writes the wide character wc to stdout.
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<<putwchar_unlocked>> is a non-thread-safe version of <<putwchar>>.
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<<putwchar_unlocked>> may only safely be used within a scope
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protected by flockfile() (or ftrylockfile()) and funlockfile(). This
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function may safely be used in a multi-threaded program if and only
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if they are called while the invoking thread owns the (FILE *)
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object, as is the case after a successful call to the flockfile() or
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ftrylockfile() functions. If threads are disabled, then
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<<putwchar_unlocked>> is equivalent to <<putwchar>>.
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The alternate functions <<_putwchar_r>> and <<_putwchar_unlocked_r>> are
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reentrant versions of the above. The extra argument <[reent]> is a pointer
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to a reentrancy structure.
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RETURNS
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If successful, <<putwchar>> returns its argument <[wc]>. If an error
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intervenes, the result is <<EOF>>. You can use `<<ferror(stdin)>>' to
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query for errors.
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PORTABILITY
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<<putwchar>> is required by C99.
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<<putwchar_unlocked>> is a GNU extension.
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*/
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#include <_ansi.h>
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#include <reent.h>
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#include <stdio.h>
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#include <wchar.h>
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#include "local.h"
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#undef putwchar
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wint_t
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_DEFUN(_putwchar_r, (ptr, wc),
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struct _reent *ptr _AND
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wchar_t wc)
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{
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return _fputwc_r (ptr, wc, stdout);
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}
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/*
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* Synonym for fputwc(wc, stdout).
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*/
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wint_t
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_DEFUN(putwchar, (wc),
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wchar_t wc)
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{
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_REENT_SMALL_CHECK_INIT (_REENT);
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return fputwc (wc, stdout);
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}
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