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85 lines
3.0 KiB
C
85 lines
3.0 KiB
C
/*
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* Copyright (C) 2017 The Android Open Source Project
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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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* * 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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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
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* 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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#pragma once
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/**
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* @file iconv.h
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* @brief Character encoding conversion.
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*/
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#include <sys/cdefs.h>
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#include <sys/types.h>
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__BEGIN_DECLS
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/* If we just use void* in the typedef, the compiler exposes that in error messages. */
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struct __iconv_t;
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/**
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* The `iconv_t` type that represents an instance of a converter.
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*/
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typedef struct __iconv_t* iconv_t;
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/**
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* [iconv_open(3)](http://man7.org/linux/man-pages/man3/iconv_open.3.html) allocates a new converter
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* from `__src_encoding` to `__dst_encoding`.
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*
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* Returns a new `iconv_t` on success and returns `((iconv_t) -1)` and sets `errno` on failure.
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*
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* Available since API level 28.
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*/
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iconv_t iconv_open(const char* __src_encoding, const char* __dst_encoding);
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/**
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* [iconv(3)](http://man7.org/linux/man-pages/man3/iconv.3.html) converts characters from one
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* encoding to another.
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*
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* Android supports the `utf8`, `ascii`, `usascii`, `utf16be`, `utf16le`, `utf32be`, `utf32le`,
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* and `wchart` encodings. Android also supports the GNU `//IGNORE` and `//TRANSLIT` extensions.
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*
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* Returns the number of characters converted on success and returns `((size_t) -1)` and
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* sets `errno` on failure.
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*
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* Available since API level 28.
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*/
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size_t iconv(iconv_t __converter, char** __src_buf, size_t* __src_bytes_left, char** __dst_buf, size_t* __dst_bytes_left);
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/**
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* [iconv_close(3)](http://man7.org/linux/man-pages/man3/iconv_close.3.html) deallocates a converter
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* returned by iconv_open().
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*
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* Returns 0 on success and returns -1 and sets `errno` on failure.
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*
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* Available since API level 28.
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*/
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int iconv_close(iconv_t __converter);
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__END_DECLS
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