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-/****************************************************************************
- * bfs *
- * Copyright (C) 2019-2022 Tavian Barnes <tavianator@tavianator.com> *
- * *
- * Permission to use, copy, modify, and/or distribute this software for any *
- * purpose with or without fee is hereby granted. *
- * *
- * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES *
- * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF *
- * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR *
- * ANY SPECIAL, DIRECT, 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. *
- ****************************************************************************/
-
-/**
- * A dynamic array library.
- *
- * darrays are represented by a simple pointer to the array element type, like
- * any other array. Behind the scenes, the capacity and current length of the
- * array are stored along with it. NULL is a valid way to initialize an empty
- * darray:
- *
- * int *darray = NULL;
- *
- * To append an element to a darray, use the DARRAY_PUSH macro:
- *
- * int e = 42;
- * if (DARRAY_PUSH(&darray, &e) != 0) {
- * // Report the error...
- * }
- *
- * The length can be retrieved by darray_length(). Iterating over the array
- * works like normal arrays:
- *
- * for (size_t i = 0; i < darray_length(darray); ++i) {
- * printf("%d\n", darray[i]);
- * }
- *
- * To free a darray, use darray_free():
- *
- * darray_free(darray);
- */
-
-#ifndef BFS_DARRAY_H
-#define BFS_DARRAY_H
-
-#include <stddef.h>
-
-/**
- * Get the length of a darray.
- *
- * @param da
- * The array in question.
- * @return
- * The length of the array.
- */
-size_t darray_length(const void *da);
-
-/**
- * @internal Use DARRAY_PUSH().
- *
- * Push an element into a darray.
- *
- * @param da
- * The array to append to.
- * @param item
- * The item to append.
- * @param size
- * The size of the item.
- * @return
- * The (new) location of the array.
- */
-void *darray_push(void *da, const void *item, size_t size);
-
-/**
- * @internal Use DARRAY_PUSH().
- *
- * Check if the last darray_push() call failed.
- *
- * @param da
- * The darray to check.
- * @return
- * 0 on success, -1 on failure.
- */
-int darray_check(void *da);
-
-/**
- * Free a darray.
- *
- * @param da
- * The darray to free.
- */
-void darray_free(void *da);
-
-/**
- * Push an item into a darray.
- *
- * @param da
- * The array to append to.
- * @param item
- * A pointer to the item to append.
- * @return
- * 0 on success, -1 on failure.
- */
-#define DARRAY_PUSH(da, item) \
- (darray_check(*(da) = darray_push(*(da), (item), sizeof(**(da) = *(item)))))
-
-#endif // BFS_DARRAY_H