#include <stdio.h>
#include <inttypes.h>
#include "ucore_string.h"

char *
uc_human_bytesz(uint64_t bytes, char *result, size_t result_len)
{
    if(bytes < 1000) {
        snprintf(result, result_len, "%" PRIu64 " b", bytes);
    } else if (bytes < 1000000) {
        snprintf(result, result_len, "%.2f kB", bytes/1000.0);
    } else if (bytes < 1000000000ULL) {
        snprintf(result, result_len, "%.2f MB", bytes/1000000.0);
    } else if (bytes < 1000000000000ULL) {
        snprintf(result, result_len, "%.2f GB", bytes/1000000000.0);
    } else if (bytes < 1000000000000000ULL) {
        snprintf(result, result_len, "%.2f TB", bytes/1000000000000.0);
    } else {
        snprintf(result, result_len, "%.2f PB", bytes/1000000000000000.0);
    }

    return result;
}