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/* 
 * Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved. 
 * 
 * Licensed under the Apache License, Version 2.0 (the "License"). 
 * You may not use this file except in compliance with the License. 
 * A copy of the License is located at 
 * 
 *  http://aws.amazon.com/apache2.0 
 * 
 * or in the "license" file accompanying this file. This file is distributed 
 * on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either 
 * express or implied. See the License for the specific language governing 
 * permissions and limitations under the License. 
 */ 
#pragma once 
 
#include <s2n.h> 
#include "utils/s2n_blob.h" 
#include "utils/s2n_result.h" 
 
#define S2N_INITIAL_ARRAY_SIZE 16 
 
struct s2n_array { 
    /* Pointer to elements in array */ 
    struct s2n_blob mem; 
 
    /* The total number of elements currently in the array. */ 
    uint32_t len; 
 
    /* The size of each element in the array */ 
    uint32_t element_size; 
}; 
 
extern S2N_RESULT s2n_array_validate(const struct s2n_array *array); 
extern struct s2n_array *s2n_array_new(uint32_t element_size); 
extern S2N_RESULT s2n_array_init(struct s2n_array *array, uint32_t element_size); 
extern S2N_RESULT s2n_array_pushback(struct s2n_array *array, void **element); 
extern S2N_RESULT s2n_array_get(struct s2n_array *array, uint32_t index, void **element); 
extern S2N_RESULT s2n_array_insert(struct s2n_array *array, uint32_t index, void **element); 
extern S2N_RESULT s2n_array_insert_and_copy(struct s2n_array *array, uint32_t index, void *element); 
extern S2N_RESULT s2n_array_num_elements(struct s2n_array *array, uint32_t *len); 
extern S2N_RESULT s2n_array_capacity(struct s2n_array *array, uint32_t *capacity); 
extern S2N_RESULT s2n_array_remove(struct s2n_array *array, uint32_t index); 
extern S2N_RESULT s2n_array_free_p(struct s2n_array **parray); 
extern S2N_RESULT s2n_array_free(struct s2n_array *array);