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/*
* Copyright (C) the libgit2 contributors. All rights reserved.
*
* This file is part of libgit2, distributed under the GNU GPL v2 with
* a Linking Exception. For full terms see the included COPYING file.
*/
#ifndef INCLUDE_git_utfconv_h__
#define INCLUDE_git_utfconv_h__
#include "common.h"
#include <wchar.h>
#ifndef WC_ERR_INVALID_CHARS
# define WC_ERR_INVALID_CHARS 0x80
#endif
/**
* Converts a UTF-8 string to wide characters.
*
* @param dest The buffer to receive the wide string.
* @param dest_size The size of the buffer, in characters.
* @param src The UTF-8 string to convert.
* @return The length of the wide string, in characters (not counting the NULL terminator), or < 0 for failure
*/
int git__utf8_to_16(wchar_t *dest, size_t dest_size, const char *src);
/**
* Converts a wide string to UTF-8.
*
* @param dest The buffer to receive the UTF-8 string.
* @param dest_size The size of the buffer, in bytes.
* @param src The wide string to convert.
* @return The length of the UTF-8 string, in bytes (not counting the NULL terminator), or < 0 for failure
*/
int git__utf16_to_8(char *dest, size_t dest_size, const wchar_t *src);
/**
* Converts a UTF-8 string to wide characters.
* Memory is allocated to hold the converted string.
* The caller is responsible for freeing the string with git__free.
*
* @param dest Receives a pointer to the wide string.
* @param src The UTF-8 string to convert.
* @return The length of the wide string, in characters (not counting the NULL terminator), or < 0 for failure
*/
int git__utf8_to_16_alloc(wchar_t **dest, const char *src);
/**
* Converts a wide string to UTF-8.
* Memory is allocated to hold the converted string.
* The caller is responsible for freeing the string with git__free.
*
* @param dest Receives a pointer to the UTF-8 string.
* @param src The wide string to convert.
* @return The length of the UTF-8 string, in bytes (not counting the NULL terminator), or < 0 for failure
*/
int git__utf16_to_8_alloc(char **dest, const wchar_t *src);
#endif
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