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

#include "include.h"

int array_compare(const arr_t* s0, const arr_t* s1) {
    void *e, *p0, *p1;
    int cmp;

    if (s0 == s1 || (!s0->size && !s0->size))
        return 0;

    if (s0->type != s1->type)
        return (s0->type < s1->type) ? -1 : 1;

    if (s0->size != s1->size)
        return (s0->size < s1->size) ? -1 : 1;

    p0 = s0->mem;
    p1 = s1->mem;

    e  = array_end(s0);

    do {
        cmp = vtype_compare_eq(p0, p1, s0->type);

        if (cmp == 0) {
            p0 += vtype_size(s0->type);
            p1 += vtype_size(s0->type);
        } else return cmp;

    } while (p0 < e);

    return 0;
}