#include "header.h"
#include <stdio.h>
#include <string.h>
#include <stdlib.h>

void sort(void *base, size_t nmemb, size_t size,
                  int (*compare)(const void *, const void *))
{
        if(!compare) return;
        if(base == NULL) return;
        if(size < 2) return;
        for(int i = 0; i < nmemb - 1; i++)
        for(int j = 0; j < nmemb -1 - i; j++)
        {
                        char *a = (char*)base + size*j,
            *b = (char*)base + size*(j+1);
            if(compare(a, b) > 0)
                        {
                for(int k = 0; k < size; k++)
                                {
                                    char temp = *(a+k);
                                        *(a+k) = *(b+k);
                                        *(b+k) = temp;
                                }
                        }
        }
}