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58 lines
2.0 KiB
C
58 lines
2.0 KiB
C
/* Multibyte and wide printf buffers writing data to a FILE * stream.
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Copyright (C) 2022-2024 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<https://www.gnu.org/licenses/>. */
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#ifndef PRINTF_BUFFER_TO_FILE_H
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#define PRINTF_BUFFER_TO_FILE_H
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#include <bits/types/FILE.h>
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#include <printf_buffer.h>
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struct __printf_buffer_to_file
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{
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struct __printf_buffer base;
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FILE *fp;
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/* Staging buffer. Used if fp does not have any available buffer
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space. */
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char stage[PRINTF_BUFFER_SIZE_TO_FILE_STAGE];
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};
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/* Initializes *BUF to write data to FP. */
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void __printf_buffer_to_file_init (struct __printf_buffer_to_file *buf,
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FILE *fp) attribute_hidden;
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/* Transfers any pending data in BUF to BUF->FP. The return value
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follows the printf convention (number bytes written; or -1 for error). */
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int __printf_buffer_to_file_done (struct __printf_buffer_to_file *buf)
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attribute_hidden;
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/* Wide version below. */
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struct __wprintf_buffer_to_file
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{
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struct __wprintf_buffer base;
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FILE *fp;
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wchar_t stage[PRINTF_BUFFER_SIZE_TO_FILE_STAGE];
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};
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void __wprintf_buffer_to_file_init (struct __wprintf_buffer_to_file *buf,
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FILE *fp) attribute_hidden;
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int __wprintf_buffer_to_file_done (struct __wprintf_buffer_to_file *buf)
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attribute_hidden;
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#endif /* PRINTF_BUFFER_TO_FILE_H */
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