intFuntions.cc

#include "cstdint"

uint16_t intLen(uint32_t forInt) {

    uint64_t factor = 1;
    uint16_t intLen;

    for ( intLen = 0 ; (forInt / factor) != 0 ; intLen++ ) {
        factor *= 10;
    }

    return intLen;
}

uint32_t intReverse(uint32_t forInt) {

    uint8_t factor = 1;
    uint32_t res = 0;

    for ( uint16_t it = 0 ; forInt != 0 ;  it++ ) {
        res = (res * factor) + (forInt % 10);
        forInt = forInt / 10;
        if ( it == 0 )
            factor = 10;
    }

    return res;
}