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 mask = (0b11111 << 10);
    int temp = (reg & mask) >> 10;
    if(temp < 31){
        temp = (temp + 1);
        reg &= ~mask;
        reg |= (temp << 10);
    }
    return reg;
}

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