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smallarrayu64.h
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smallarrayu64.h
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/* smallarrayu64.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_SMALLARRAYU64_H__
#define __CYRUS_SMALLARRAYU64_H__
#include <sys/types.h>
#include <stdint.h>
#include "arrayu64.h"
#define SMALLARRAYU64_ALLOC 8
typedef struct {
size_t count;
uint8_t data[SMALLARRAYU64_ALLOC];
arrayu64_t spillover;
int use_spillover;
} smallarrayu64_t;
#define SMALLARRAYU64_INITIALIZER { 0, { 0 }, ARRAYU64_INITIALIZER, 0 }
#define smallarrayu64_init(sa) (memset((sa), 0, sizeof(smallarrayu64_t)))
extern void smallarrayu64_fini(smallarrayu64_t *sa);
extern smallarrayu64_t *smallarrayu64_new(void);
extern void smallarrayu64_free(smallarrayu64_t *);
extern int smallarrayu64_append(smallarrayu64_t *sa, uint64_t num);
extern size_t smallarrayu64_size(smallarrayu64_t *sa);
extern uint64_t smallarrayu64_nth(smallarrayu64_t *sa, int idx);
#endif /* __CYRUS_SMALLARRAYU64_H__ */

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