Hashcode Generator

hashcode.cpp

int hashCode(string text) {
    int hash = 0;
    size_t strlen = text.length(), i;
    char character;
    if (strlen == 0) {
        return hash;
    }
    for (i = 0; i < strlen; i++) {
        character = text.at(i);
        hash = (31 * hash) + (character);
    }
    return hash;
}