67 lines
2.6 KiB
C
67 lines
2.6 KiB
C
/*
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* Copyright (c) 1997-2006 Motoyuki Kasahara
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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
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the project nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
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* 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 PROJECT OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef LINEBUF_H
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#define LINEBUF_H
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#include <sys/types.h>
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/*
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* Buffer size of `Line_Buffer' struct.
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*/
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#define LINEBUF_BUFFER_SIZE 256
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/*
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* Line buffer manager.
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*/
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typedef struct {
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int file; /* file descriptor */
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int timeout; /* idle timeout interval */
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size_t cache_length; /* length of cache data */
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char buffer[LINEBUF_BUFFER_SIZE]; /* buffer */
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} Line_Buffer;
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/*
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* Function declarations.
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*/
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void initialize_line_buffer(Line_Buffer *line_buffer);
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void finalize_line_buffer(Line_Buffer *line_buffer);
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void set_line_buffer_timeout(Line_Buffer *line_buffer, int timeout);
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void bind_file_to_line_buffer(Line_Buffer *line_buffer, int file);
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int file_bound_to_line_buffer(Line_Buffer *line_buffer);
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void discard_cache_in_line_buffer(Line_Buffer *line_buffer);
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size_t cache_length_in_line_buffer(Line_Buffer *line_buffer);
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ssize_t read_line_buffer(Line_Buffer *line_buffer, char *line,
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size_t max_line_length);
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ssize_t binary_read_line_buffer(Line_Buffer *line_buffer, char *stream,
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size_t stream_length);
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int skip_line_buffer(Line_Buffer *line_buffer);
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#endif /* not LINEBUF_H */
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