/* dynarray.h -- an expanding array of same-size members
 *
 * Copyright (c) 1994-2020 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.
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 *    notice, this list of conditions and the following disclaimer in
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 *    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
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 *    "This product includes software developed by Computing Services
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#ifndef __CYRUS_DYNARRAY_H__
#define __CYRUS_DYNARRAY_H__

typedef struct dynarray {
    size_t membsize;
    int count;
    int alloc;
    void *data;
} dynarray_t;

#define DYNARRAY_INITIALIZER(membsize) { (membsize), 0, 0, NULL }

extern void dynarray_init(struct dynarray *da, size_t membsize);
extern void dynarray_fini(struct dynarray *da);

extern struct dynarray *dynarray_new(size_t membsize);
extern void dynarray_free(struct dynarray **dap);

extern void dynarray_append(struct dynarray *da, void *memb);
extern void dynarray_set(struct dynarray *, int idx, void *memb);
extern void *dynarray_nth(const struct dynarray *da, int idx);
extern int dynarray_size(struct dynarray *da);
extern void dynarray_truncate(struct dynarray *da, int newlen);
extern void dynarray_sort(struct dynarray *da,
                          int (*compare)(const void *, const void *));

#endif /* __CYRUS_DYNARRAY_H__ */
