/* This software is licensed by the MIT License, see LICENSE file */
/*                                Copyright © 2022 Gregory Lirent */

#include "../../include/array.h"
#include "../../include/extra/array.h"
#include "../__internal/include.h"

#ifndef LIBCDSB_SRC_ARRAY_INCLUDE_H
#define LIBCDSB_SRC_ARRAY_INCLUDE_H

#define ARRAY_MEM_BLOCK_SIZE 256

ainline(size_t array_nblocks(const arr_t* x)) {
    size_t n = x->size*vtype_size(x->type);

    if (n%vtype_size(x->type)) {
        return    n / ARRAY_MEM_BLOCK_SIZE + 1;
    } else return n / ARRAY_MEM_BLOCK_SIZE;
}

ainline(size_t array_allocated_nmemb(const arr_t* x)) {
    return array_nblocks(x) * ARRAY_MEM_BLOCK_SIZE;
}

ainline(void array_cut(arr_t* x, size_t i, size_t n)) {
    void* v = x->mem + i*vtype_size(x->type);
    void* e = v      + n*vtype_size(x->type);

    memmove(v, e, (x->size-(i+n))*vtype_size(x->type));
    x->size -= n;
}

ainline(void* array_end(const arr_t* x)) {
    return x->mem + x->size*vtype_size(x->type);
}

ainline(void* array_at(const arr_t* x, size_t i)) {
    return x->mem + i*vtype_size(x->type);
}

#endif /* LIBCDSB_SRC_ARRAY_INCLUDE_H */