26. Extract and Modify Field in a 32-bit Register

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

uint32_t update_register(uint32_t reg) {
    uint32_t temp = 0;
    temp|=(0x1F<<10);
    temp = temp&reg;
    temp  =temp>>10;
    if(temp<31){
        temp+=1;
        temp=temp<<10;
        reg &= ~(0x1F<<10);
        reg|=temp;
    }
    
    return reg;
}

int main() {
    uint32_t reg;
    scanf("%u", &reg);
    uint32_t updated = update_register(reg);
    printf("%u", updated);
    return 0;
}