e9cfd1f82e
storing the pointer to the data. add_to_buffer() is now exported. Renamed writebuff() and readbuff() to write_buffer() and read_buffer().
49 lines
1.5 KiB
C
49 lines
1.5 KiB
C
/* $Id: buffer.h,v 1.7 2001-11-25 22:05:42 rjkaes Exp $
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*
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* See 'buffer.c' for a detailed description.
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*
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* Copyright (C) 1999 Robert James Kaes (rjkaes@flarenet.com)
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2, or (at your option) any
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* later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* 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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* General Public License for more details.
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*/
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#ifndef _TINYPROXY_BUFFER_H_
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#define _TINYPROXY_BUFFER_H_
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/*
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* This structure contains the total size of a buffer, plus pointers to the
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* head and tail of the buffer.
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*/
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struct buffer_s {
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struct bufline_s *head; /* top of the buffer */
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struct bufline_s *tail; /* bottom of the buffer */
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size_t size; /* total size of the buffer */
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};
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/*
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* Return the size of a buffer (pass a pointer to a buffer_s structure.)
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*/
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#define BUFFER_SIZE(x) (x)->size
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extern struct buffer_s *new_buffer(void);
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extern void delete_buffer(struct buffer_s *buffptr);
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/*
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* Add a new line to the given buffer. The data IS copied into the structure.
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*/
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extern int add_to_buffer(struct buffer_s *buffptr, unsigned char *data,
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size_t length);
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extern ssize_t read_buffer(int fd, struct buffer_s *buffptr);
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extern ssize_t write_buffer(int fd, struct buffer_s *buffptr);
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#endif /* __BUFFER_H_ */
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