hamnet70/impl/src/var_array.c

/*
 * SPDX-License-Identifier: GPL-3.0-or-later
 *
 * Copyright (C) 2024  Thomas Kolb
 */

#include <errno.h>
#include <string.h>

#include "logger.h"

#include "var_array.h"

bool var_array_cf_init(var_array_cf_t *array)
{
	array->used = 0;
	array->allocated = 64;
	array->symbols = reallocarray(NULL, array->allocated, sizeof(float complex));

	return (array->symbols != NULL);
}


void var_array_cf_free(var_array_cf_t *array)
{
	if(array->symbols) {
		free(array->symbols);
		array->symbols = NULL;
	}

	array->used = 0;
	array->allocated = 0;
}

void var_array_cf_clear(var_array_cf_t *array)
{
	array->used = 0;
}

bool var_array_cf_append(var_array_cf_t *array, float complex symbol)
{
	if(array->used == array->allocated) {
		size_t new_size = 2 * array->allocated;
		float complex *new_symbols = reallocarray(array->symbols, new_size, sizeof(float complex));

		if(!new_symbols) {
			LOG(LVL_ERR, "reallocarray: %s", strerror(errno));
			return false;
		}

		array->allocated = new_size;
		array->symbols = new_symbols;
	}

	array->symbols[array->used++] = symbol;
	return true;
}