#include <stdio.h>
#include <inttypes.h>
#include "ucore/string.h"

char *
uc_human_bytesz_dec(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;
}

char *
uc_human_bytesz_bin(uint64_t bytes, char *result, size_t result_len)
{
    if (bytes < 1024) {
        snprintf(result, result_len, "%" PRIu64 " b", bytes);
    } else if (bytes < 1048576) {
        snprintf(result, result_len, "%.2f KiB", bytes/1024.0);
    } else if (bytes < 1073741824ULL) {
        snprintf(result, result_len, "%.2f MiB", bytes/1048576.0);
    } else if (bytes < 1099511627776ULL) {
        snprintf(result, result_len, "%.2f GiB", bytes/1073741824.0);
    } else if (bytes < 1125899906842624ULL) {
        snprintf(result, result_len, "%.2f TiB", bytes/1099511627776.0);
    } else {
        snprintf(result, result_len, "%.2f PiB", bytes/1125899906842624.0);
    }

    return result;
}