#include "ListOfArrays.h"
#include "../vmalloc.h"

ListOfArrays* makeListOfArrays(size_t entry_size, int num_entries_per_block){
    ListOfArrays* newLoA = (ListOfArrays*) VMS__malloc(sizeof(ListOfArrays));
    newLoA->first = NULL;
    newLoA->last = NULL;
    newLoA->entry_size = entry_size;
    newLoA->num_entries_per_fragment = num_entries_per_block;
    newLoA->next_free_index = 0;
    
    return newLoA;
}

void forAllInListOfArraysDo(ListOfArrays* list, ListOfArraysFnPtr fnPtr){
    ArrayFragment* current = list->first;
    while(current->next){
        uintptr_t p;
        for(p = current->data; p < current->data + list->num_entries_per_fragment * list->entry_size; p += list->entry_size){
            (*fnPtr)(p);
        }
        current = current->next;
    }
    //assert(current == list->last);
    int offset_in_last = list->next_free_index % list->num_entries_per_fragment;
    uintptr_t p;
    for(p = current->data; p < current->data + offset_in_last * list->entry_size; p += list->entry_size){
        (*fnPtr)(p);
    }
}