arrayu64.h

/* arrayu64.h - an expanding array of 64 bit unsigned integers
 *
 * 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: Greg Banks
 * Start Date: 2011/01/11
 */

#ifndef __CYRUS_ARRAYU64_H__
#define __CYRUS_ARRAYU64_H__

#include <sys/types.h>

#include <stdint.h>

typedef struct
{
    size_t count;
    size_t alloc;
    uint64_t *data;
} arrayu64_t;

#define ARRAYU64_INITIALIZER    { 0, 0, NULL }
#define arrayu64_init(sa)   (memset((sa), 0, sizeof(arrayu64_t)))
void arrayu64_fini(arrayu64_t *);

arrayu64_t *arrayu64_new(void);
void arrayu64_free(arrayu64_t *);

int arrayu64_append(arrayu64_t *, uint64_t);
int arrayu64_add(arrayu64_t *, uint64_t);
void arrayu64_set(arrayu64_t *, int idx, uint64_t);
void arrayu64_insert(arrayu64_t *, int idx, uint64_t);
uint64_t arrayu64_remove(arrayu64_t *, int idx);
/* returns number removed */
int arrayu64_remove_all(arrayu64_t *, uint64_t);
uint64_t arrayu64_nth(const arrayu64_t *, int idx);
void arrayu64_truncate(arrayu64_t *, size_t newlen);
arrayu64_t *arrayu64_dup(const arrayu64_t *);

uint64_t arrayu64_max(const arrayu64_t *);

#define arrayu64_shift(sa)          arrayu64_remove((sa), 0)
#define arrayu64_unshift(sa, s)     arrayu64_insert((sa), 0, (s))

#define arrayu64_pop(sa)            arrayu64_remove((sa), -1)
#define arrayu64_push(sa, s)        arrayu64_append((sa), (s))

/* arrayu64_cmp_fn_t is same sig as qsort's compar argument */
typedef int arrayu64_cmp_fn_t(const void *, const void *);
void arrayu64_sort(arrayu64_t *, arrayu64_cmp_fn_t *);

void arrayu64_uniq(arrayu64_t *);

size_t arrayu64_size(const arrayu64_t *);

off_t arrayu64_find(const arrayu64_t *au, uint64_t val, off_t start);
off_t arrayu64_bsearch(const arrayu64_t *au, uint64_t val);

#endif /* __CYRUS_ARRAYU64_H__ */