45 lines
1.1 KiB
C
45 lines
1.1 KiB
C
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#include <stdlib.h>
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#include <string.h>
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#include "libp2p/utils/vector.h"
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/**
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* Allocate memory for a new Libp2pVector
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* @returns a new Libp2pVector or NULL if it couldn't do it
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*/
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struct Libp2pVector* libp2p_utils_vector_new() {
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struct Libp2pVector* out = (struct Libp2pVector*)malloc(sizeof(struct Libp2pVector));
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if (out != NULL) {
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out->buffer = NULL;
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out->buffer_size = 0;
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}
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return out;
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}
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void libp2p_utils_vector_free(struct Libp2pVector* vector) {
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if (vector != NULL) {
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if (vector->buffer != NULL)
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free(vector->buffer);
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vector->buffer_size = 0;
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free(vector);
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vector = NULL;
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}
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}
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/**
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* Add bytes to vector
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*/
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int libp2p_utils_vector_add(struct Libp2pVector* vector, unsigned char* in_bytes, size_t in_size) {
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if (in_size > 0) {
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if (vector->buffer == NULL) {
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vector->buffer = (unsigned char*)malloc(in_size);
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memcpy(vector->buffer, in_bytes, in_size);
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} else {
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vector->buffer = (unsigned char*)realloc(vector->buffer, in_size + vector->buffer_size);
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memcpy(&vector->buffer[vector->buffer_size], in_bytes, in_size);
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vector->buffer_size += in_size;
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}
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}
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return 1;
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}
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