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/*
* Buffer management functions
* Copyright (C) 2008 Andreas Öman
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program 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 this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#ifndef HTSBUF_H__
#define HTSBUF_H__
#include <stdarg.h>
#include "htsq.h"
#include <inttypes.h>
TAILQ_HEAD(htsbuf_data_queue, htsbuf_data);
typedef struct htsbuf_data {
TAILQ_ENTRY(htsbuf_data) hd_link;
uint8_t *hd_data;
unsigned int hd_data_size; /* Size of allocation hb_data */
unsigned int hd_data_len; /* Number of valid bytes from hd_data */
unsigned int hd_data_off; /* Offset in data, used for partial writes */
} htsbuf_data_t;
typedef struct htsbuf_queue {
struct htsbuf_data_queue hq_q;
unsigned int hq_size;
unsigned int hq_maxsize;
} htsbuf_queue_t;
void htsbuf_queue_init(htsbuf_queue_t *hq, unsigned int maxsize);
void htsbuf_queue_flush(htsbuf_queue_t *hq);
void htsbuf_vqprintf(htsbuf_queue_t *hq, const char *fmt, va_list ap);
void htsbuf_qprintf(htsbuf_queue_t *hq, const char *fmt, ...);
void htsbuf_append(htsbuf_queue_t *hq, const char *buf, size_t len);
void htsbuf_append_prealloc(htsbuf_queue_t *hq, const char *buf, size_t len);
void htsbuf_data_free(htsbuf_queue_t *hq, htsbuf_data_t *hd);
size_t htsbuf_read(htsbuf_queue_t *hq, char *buf, size_t len);
size_t htsbuf_peek(htsbuf_queue_t *hq, char *buf, size_t len);
size_t htsbuf_drop(htsbuf_queue_t *hq, size_t len);
size_t htsbuf_find(htsbuf_queue_t *hq, uint8_t v);
#endif /* HTSBUF_H__ */
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