Function randrace

src/role.c:786–810

}

int
randrace(int rolenum)
{
    int i, n = 0;

    /* Count the number of valid races */
    for (i = 0; races[i].noun; i++)
        if (roles[rolenum].allow & races[i].allow & ROLE_RACEMASK)
            n++;

    /* Pick a random race */
    /* Use a factor of 100 in case of bad random number generators */
    if (n)
        n = rn2(n * 100) / 100;
    for (i = 0; races[i].noun; i++)
        if (roles[rolenum].allow & races[i].allow & ROLE_RACEMASK) {
            if (n)
                n--;
            else
                return i;
        }

    /* This role has no permitted races? */
    return rn2(SIZE(races) - 1);
}

int
str2race(const char *str)