c-libp2p/include/libp2p/utils/vector.h

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#pragma once
/***
* A very simple vector implementation for unsigned chars
*/
/**
* The struct
*/
struct Libp2pVector {
unsigned char* buffer;
size_t buffer_size;
};
/**
* Create and destroy
*/
struct Libp2pVector* libp2p_utils_vector_new();
void libp2p_utils_vector_free(struct Libp2pVector* vector);
/**
* Add bytes to vector
*/
int libp2p_utils_vector_add(struct Libp2pVector* vector, unsigned char* in_bytes, size_t in_size);
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/**
* serialize the vector into a byte array that has a 4 byte prefix of the size
* @param vector the vector to serialize
* @param out a pointer to the byte array that will be filled
* @param out_size the number of bytes written
* @returns true(1) on success, otherwise false
*/
int libp2p_utils_vector_serialize(struct Libp2pVector* vector, unsigned char** out, size_t* out_size);
/**
* turn a byte array into a Libp2pVector
* @param in the bytes that were previously serialized
* @param out the new Libp2pVector
* @returns true(1) on success, otherwise false(0)
*/
int libp2p_utils_vector_unserialize(unsigned char* in, struct Libp2pVector** out);