/*
 * Copyright (c) 2019 Oticon A/S
 *
 * SPDX-License-Identifier: Apache-2.0
 */

#include <util.h>

u8_t u8_to_dec(char *buf, u8_t buflen, u8_t value)
{
    u8_t divisor = 100;
    u8_t num_digits = 0;
    u8_t digit;

    while (buflen > 0 && divisor > 0) {
        digit = value / divisor;
        if (digit != 0 || divisor == 1 || num_digits != 0) {
            *buf = (char)digit + '0';
            buf++;
            buflen--;
            num_digits++;
        }

        value -= digit * divisor;
        divisor /= 10;
    }

    if (buflen) {
        *buf = '\0';
    }

    return num_digits;
}