Rotate Right in a 32-bit Register

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

uint32_t rotate_right(uint32_t reg, uint8_t n) {
    while(n>0)
    {
        if(reg&(1<<0)){
            reg=reg>>1;
            reg|=(1<<31);
        }
        else reg=reg>>1;

        n--;
    }
    return reg;
}

int main() {
    uint32_t reg;
    uint8_t n;
    scanf("%u %hhu", &reg, &n);
    printf("%u", rotate_right(reg, n));
    return 0;
}