linux-sgx-trts-modified/sdk/tkey_exchange/simple_vector.h

/*
 * Copyright (C) 2011-2017 Intel Corporation. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
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 *     notice, this list of conditions and the following disclaimer.
 *   * 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.
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 *     contributors may be used to endorse or promote products derived
 *     from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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 */


#ifndef _SIMPLE_VECOTR_H
#define _SIMPLE_VECOTR_H

#include <stdint.h>

#ifdef  __cplusplus
extern "C" {
#endif

typedef struct _simple_vector
{
    uint32_t size;
    uint32_t capacity;
    void** data;
}simple_vector;

//call vector_init first or set all field to 0 to use a simple_vector
void vector_init(simple_vector* vector);

//get number of elements in simple_vector
uint32_t vector_size(const simple_vector* vector);

//insert an element to the end of simple_vector, the element can only be pointer
errno_t vector_push_back(simple_vector* vector, const void* data);

//get an element
errno_t vector_get(const simple_vector* v, uint32_t index, void** data);

//set an element content
errno_t vector_set(simple_vector* v, uint32_t index, const void* data);

//free the simple_vector allocated memory
void vector_free(simple_vector* vector);

#ifdef  __cplusplus
}
#endif

#endif