Rotate Left in an 8-bit Register

#include <stdio.h>
#include <stdint.h>

uint8_t rotate_left(uint8_t reg, uint8_t n) {
    // Your code here
    while(n!=0){
        if((reg&0x80)){
            reg = reg<<1;
            reg |= (1<<0);
        }
        else{
            reg = reg<<1;
            reg &= ~(1<<0);
        }
        n--;
    }
    return reg;
}

int main() {
    uint8_t reg, n;
    scanf("%hhu %hhu", &reg, &n);
    printf("%u", rotate_left(reg, n));
    return 0;
}