#include <stdlib.h>
#include <string.h>

#include "list.h"

static void list_init(List *list, int elmSize)
{
	list->data = NULL;
	list->capacity = 0;
	list->len = 0;
	list->elmSize = elmSize;
}

void list_initf(List *list)
{
	list_init(list, sizeof(float));
}

void list_initi(List *list)
{
	list_init(list, sizeof(int));
}

void list_initu(List *list)
{
	list_init(list, sizeof(unsigned int));
}

void list_initb(List *list)
{
	list_init(list, sizeof(unsigned char));
}

static void list_push(List *list, const void *elm)
{
	if (list->len == list->capacity) {
		list->capacity *= 2;
		if (!list->capacity)
			list->capacity = 8;
		list->data = realloc(list->data, list->elmSize * list->capacity);
	}

	void *ptr = ((char *)list->data) + list->elmSize * list->len;
	memcpy(ptr, elm, list->elmSize);
	list->len++;
}

void list_pushf(List *list, float f)
{
	list_push(list, &f);
}

void list_pushi(List *list, int i)
{
	list_push(list, &i);
}

void list_pushu(List *list, unsigned int u)
{
	list_push(list, &u);
}

void list_pushb(List *list, unsigned char b)
{
	list_push(list, &b);
}

void list_free(List *list)
{
	free(list->data);
}