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

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

#define POS 10
#define MASK 0x1f
#define VALUE 31
uint32_t update_register(uint32_t reg) {
    // Your logic here
    uint32_t val = 0;
    val = ( reg >> POS ) & MASK;
    if(val < VALUE){
        reg &= ~(MASK << POS);
        reg |= (val+1 << POS);
    }
    return reg;
}

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