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/* Multibyte and wide printf buffers writing data to a FILE * stream.
Copyright (C) 2022-2025 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<https://www.gnu.org/licenses/>. */
#ifndef PRINTF_BUFFER_TO_FILE_H
#define PRINTF_BUFFER_TO_FILE_H
#include <bits/types/FILE.h>
#include <printf_buffer.h>
struct __printf_buffer_to_file
{
struct __printf_buffer base;
FILE *fp;
/* Staging buffer. Used if fp does not have any available buffer
space. */
char stage[PRINTF_BUFFER_SIZE_TO_FILE_STAGE];
};
/* Initializes *BUF to write data to FP. */
void __printf_buffer_to_file_init (struct __printf_buffer_to_file *buf,
FILE *fp) attribute_hidden;
/* Transfers any pending data in BUF to BUF->FP. The return value
follows the printf convention (number bytes written; or -1 for error). */
int __printf_buffer_to_file_done (struct __printf_buffer_to_file *buf)
attribute_hidden;
/* Wide version below. */
struct __wprintf_buffer_to_file
{
struct __wprintf_buffer base;
FILE *fp;
wchar_t stage[PRINTF_BUFFER_SIZE_TO_FILE_STAGE];
};
void __wprintf_buffer_to_file_init (struct __wprintf_buffer_to_file *buf,
FILE *fp) attribute_hidden;
int __wprintf_buffer_to_file_done (struct __wprintf_buffer_to_file *buf)
attribute_hidden;
#endif /* PRINTF_BUFFER_TO_FILE_H */
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