| /* |
| * Copyright (C) 2014 The Android Open Source 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 |
| * 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. |
| * |
| * 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 |
| * SUCH DAMAGE. |
| */ |
| |
| #pragma once |
| |
| /** |
| * @file uchar.h |
| * @brief Unicode functions. |
| */ |
| |
| #include <stddef.h> |
| #include <sys/cdefs.h> |
| #include <bits/mbstate_t.h> |
| |
| __BEGIN_DECLS |
| |
| #if !defined(__cplusplus) |
| /** The UTF-16 character type. */ |
| typedef __CHAR16_TYPE__ char16_t; |
| /** The UTF-32 character type. */ |
| typedef __CHAR32_TYPE__ char32_t; |
| #endif |
| |
| /** On Android, char16_t is UTF-16. */ |
| #define __STD_UTF_16__ 1 |
| |
| /** On Android, char32_t is UTF-32. */ |
| #define __STD_UTF_32__ 1 |
| |
| /** |
| * [c16rtomb(3)](http://man7.org/linux/man-pages/man3/c16rtomb.3.html) converts a single UTF-16 |
| * character to UTF-8. |
| * |
| * Returns the number of bytes written to `__buf` on success, and returns -1 and sets `errno` |
| * on failure. |
| * |
| * Available since API level 21. |
| */ |
| size_t c16rtomb(char* _Nullable __buf, char16_t __ch16, mbstate_t* _Nullable __ps) __INTRODUCED_IN(21); |
| |
| /** |
| * [c32rtomb(3)](http://man7.org/linux/man-pages/man3/c32rtomb.3.html) converts a single UTF-32 |
| * character to UTF-8. |
| * |
| * Returns the number of bytes written to `__buf` on success, and returns -1 and sets `errno` |
| * on failure. |
| * |
| * Available since API level 21. |
| */ |
| size_t c32rtomb(char* _Nullable __buf, char32_t __ch32, mbstate_t* _Nullable __ps) __INTRODUCED_IN(21); |
| |
| /** |
| * [mbrtoc16(3)](http://man7.org/linux/man-pages/man3/mbrtoc16.3.html) converts the next UTF-8 |
| * sequence to a UTF-16 code point. |
| * |
| * Available since API level 21. |
| */ |
| size_t mbrtoc16(char16_t* _Nullable __ch16, const char* _Nullable __s, size_t __n, mbstate_t* _Nullable __ps) __INTRODUCED_IN(21); |
| |
| /** |
| * [mbrtoc32(3)](http://man7.org/linux/man-pages/man3/mbrtoc32.3.html) converts the next UTF-8 |
| * sequence to a UTF-32 code point. |
| * |
| * Available since API level 21. |
| */ |
| size_t mbrtoc32(char32_t* _Nullable __ch32, const char* _Nullable __s, size_t __n, mbstate_t* _Nullable __ps) __INTRODUCED_IN(21); |
| |
| __END_DECLS |
