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 = ((1 << 5) -1) << 10;
    uint8_t value = (reg & mask) >> 10;

    value = (value < 31) ? value + 1 : value;
    
    reg = (reg & ~(mask)) | value << 10;

    return reg;
}

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