/* buf.h -- buffers and buffer arrays
 *
 * Copyright (c) 1994-2011 Carnegie Mellon University.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 *
 * 3. The name "Carnegie Mellon University" must not be used to
 *    endorse or promote products derived from this software without
 *    prior written permission. For permission or any legal
 *    details, please contact
 *      Carnegie Mellon University
 *      Center for Technology Transfer and Enterprise Creation
 *      4615 Forbes Avenue
 *      Suite 302
 *      Pittsburgh, PA  15213
 *      (412) 268-7393, fax: (412) 268-7395
 *      innovation@andrew.cmu.edu
 *
 * 4. Redistributions of any form whatsoever must retain the following
 *    acknowledgment:
 *    "This product includes software developed by Computing Services
 *     at Carnegie Mellon University (http://www.cmu.edu/computing/)."
 *
 * CARNEGIE MELLON UNIVERSITY DISCLAIMS ALL WARRANTIES WITH REGARD TO
 * THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
 * AND FITNESS, IN NO EVENT SHALL CARNEGIE MELLON UNIVERSITY BE LIABLE
 * FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
 * AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
 * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 *
 * Author: Bron Gondwana
 * Start Date: 2015/06/26
 */

#ifndef __CYRUS_BUF_H__
#define __CYRUS_BUF_H__

#include <string.h>
#include <sys/types.h>
#include "util.h"

typedef struct {
    size_t alloc;
    size_t count;
    struct buf **items;
} bufarray_t;

#define BUFARRAY_INITIALIZER { 0, 0, NULL }
#define bufarray_init(ba)   (memset((ba), 0, sizeof(bufarray_t)))
void bufarray_fini(bufarray_t *);

bufarray_t *bufarray_new(void);
void bufarray_free(bufarray_t **);

size_t bufarray_append(bufarray_t *, const struct buf *buf);
size_t bufarray_appendm(bufarray_t *, struct buf *buf);
const struct buf *bufarray_nth(const bufarray_t *sa, size_t idx);
void bufarray_truncate(bufarray_t *sa, size_t newlen);
bufarray_t *bufarray_dup(const bufarray_t *);

size_t bufarray_size(const bufarray_t *sa);

#endif /* __CYRUS_BUF_H__ */
