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90 lines
3.1 KiB
90 lines
3.1 KiB
/*
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* *****************************************************************************
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*
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* Copyright (c) 2018-2021 Gavin D. Howard and contributors.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* * Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* * Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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* *****************************************************************************
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*
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* Definitions for implementing buffered I/O on my own terms.
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*
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*/
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#ifndef BC_FILE_H
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#define BC_FILE_H
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#include <stdarg.h>
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#include <vector.h>
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#define BC_FILE_ULL_LENGTH (21)
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typedef struct BcFile {
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int fd;
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char *buf;
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size_t len;
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size_t cap;
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} BcFile;
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#if BC_ENABLE_HISTORY
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typedef enum BcFlushType {
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BC_FLUSH_NO_EXTRAS_NO_CLEAR,
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BC_FLUSH_SAVE_EXTRAS_NO_CLEAR,
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BC_FLUSH_NO_EXTRAS_CLEAR,
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BC_FLUSH_SAVE_EXTRAS_CLEAR,
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} BcFlushType;
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#else // BC_ENABLE_HISTORY
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#define bc_file_putchar(f, t, c) bc_file_putchar(f, c)
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#define bc_file_flushErr(f, t) bc_file_flushErr(f)
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#define bc_file_flush(f, t) bc_file_flush(f)
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#define bc_file_write(f, t, b, n) bc_file_write(f, b, n)
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#define bc_file_puts(f, t, s) bc_file_puts(f, s)
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#endif // BC_ENABLE_HISTORY
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void bc_file_init(BcFile *f, int fd, char *buf, size_t cap);
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void bc_file_free(BcFile *f);
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void bc_file_putchar(BcFile *restrict f, BcFlushType type, uchar c);
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BcStatus bc_file_flushErr(BcFile *restrict f, BcFlushType type);
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void bc_file_flush(BcFile *restrict f, BcFlushType type);
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void bc_file_write(BcFile *restrict f, BcFlushType type,
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const char *buf, size_t n);
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void bc_file_printf(BcFile *restrict f, const char *fmt, ...);
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void bc_file_vprintf(BcFile *restrict f, const char *fmt, va_list args);
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void bc_file_puts(BcFile *restrict f, BcFlushType type, const char *str);
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#if BC_ENABLE_HISTORY
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extern const BcFlushType bc_flush_none;
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extern const BcFlushType bc_flush_err;
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extern const BcFlushType bc_flush_save;
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#endif // BC_ENABLE_HISTORY
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#endif // BC_FILE_H
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