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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_win32_utf_conv_h__
#define INCLUDE_win32_utf_conv_h__
#include "git2_util.h"
#include <wchar.h>
#ifndef WC_ERR_INVALID_CHARS
# define WC_ERR_INVALID_CHARS 0x80
#endif
/**
* Converts a NUL-terminated UTF-8 string to wide characters. This is a
* convenience function for `git_utf8_to_16_with_len`.
*
* @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 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.
* @param src_len The length of the 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_with_len(
wchar_t *dest,
size_t dest_size,
const char *src,
int src_len);
/**
* Converts a NUL-terminated wide string to UTF-8. This is a convenience
* function for `git_utf8_from_16_with_len`.
*
* @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.
* @param src_len The length of the string to convert.
* @return The length of the UTF-8 string, in bytes
* (not counting the NULL terminator), or < 0 for failure
*/
int git_utf8_from_16(char *dest, size_t dest_size, const wchar_t *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.
* @param src_len The length of the string to convert.
* @return The length of the UTF-8 string, in bytes
* (not counting the NULL terminator), or < 0 for failure
*/
int git_utf8_from_16_with_len(char *dest, size_t dest_size, const wchar_t *src, int src_len);
/**
* 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 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.
* @param src_len The length of the string.
* @return The length of the wide string, in characters
* (not counting the NULL terminator), or < 0 for failure
*/
int git_utf8_to_16_alloc_with_len(
wchar_t **dest,
const char *src,
int src_len);
/**
* 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_utf8_from_16_alloc(char **dest, const wchar_t *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.
* @param src_len The length of the wide string.
* @return The length of the UTF-8 string, in bytes
* (not counting the NULL terminator), or < 0 for failure
*/
int git_utf8_from_16_alloc_with_len(
char **dest,
const wchar_t *src,
int src_len);
#endif
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