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/*
* Copyright (C) 2023 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 bits/bionic_multibyte_result.h
* @brief Named values for the magic number return values of multibyte
* conversion APIs defined by C.
*/
#include <stddef.h>
#include <sys/cdefs.h>
__BEGIN_DECLS
/**
* @brief The error values defined by C for multibyte conversion APIs.
*
* Refer to C23 7.30.1 Restartable multibyte/wide character conversion functions
* for more details.
*/
enum : size_t {
/// @brief An encoding error occurred. The bytes read are not a valid unicode
/// character, nor are they a partially valid character.
BIONIC_MULTIBYTE_RESULT_ILLEGAL_SEQUENCE = -1UL,
#define BIONIC_MULTIBYTE_RESULT_ILLEGAL_SEQUENCE BIONIC_MULTIBYTE_RESULT_ILLEGAL_SEQUENCE
/// @brief The bytes read may produce a valid unicode character, but the
/// sequence is incomplete. Future calls may complete the character.
BIONIC_MULTIBYTE_RESULT_INCOMPLETE_SEQUENCE = -2UL,
#define BIONIC_MULTIBYTE_RESULT_INCOMPLETE_SEQUENCE BIONIC_MULTIBYTE_RESULT_INCOMPLETE_SEQUENCE
/// @brief The output of the call was the result of a previous successful
/// decoding. No new bytes were consumed.
///
/// The common case for this return value is when mbrtoc16 returns the low
/// surrogate of a pair.
BIONIC_MULTIBYTE_RESULT_NO_BYTES_CONSUMED = -3UL,
#define BIONIC_MULTIBYTE_RESULT_NO_BYTES_CONSUMED BIONIC_MULTIBYTE_RESULT_NO_BYTES_CONSUMED
};
__END_DECLS