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/* --------------------------------------------------------------------------
* Copyright 2003-2011 (inclusive) Nathan Angelacos
* (nangel@users.sourceforge.net)
*
* This file is part of haserl.
*
* Haserl is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2,
* as published by the Free Software Foundation.
*
* Haserl 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with haserl. If not, see <http://www.gnu.org/licenses/>.
*
* ------------------------------------------------------------------------ */
#ifndef _SLIDING_BUF_H
#define _SLIDING_BUF_H 1
/* sliding buffer structure */
typedef struct {
int fh; /* the input filehandle for the buffer */
unsigned char *buf; /* pointer to the buffer */
unsigned char *ptr; /* start positon (used internally) */
unsigned char *segment; /* the start position of this segment */
size_t len; /* length of this segment */
size_t maxsize; /* max size of buffer */
size_t bufsize; /* current size of buffer */
size_t maxread; /* maximum number of bytes to read from fh, ignored if 0 */
size_t nrread; /* number of bytes read from fh */
int eof; /* true if there is no more to read */
} sliding_buffer_t;
/* sliding_buffer.c */
int s_buffer_init(sliding_buffer_t *sbuf, int size);
void s_buffer_destroy(sliding_buffer_t *sbuf);
int s_buffer_read(sliding_buffer_t *sbuf, char *matchstr);
#endif /* !_SLIDING_BUF_H */
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