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 value = 0;
    value = ((reg>>10)& 0x1f);
    if(value<31){
        reg &= ~(0x1f<<10);
        reg |= (((value+1)&0x1f)<<10);
        return reg;
    }
    else{
        return reg;
    }
    return 0;
}

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