Extract and Modify Field in a 32-bit Register

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

uint32_t update_register(uint32_t reg) {
    // Your logic here

    uint32_t mask = (1 << 5)-1;
    uint32_t value = (reg >> 10) & mask;

    if(value < 31){
        value++;
        reg = reg & ~(mask << 10);
        reg = reg | (value << 10);
    }

    return reg;
}

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