anagrams

bool task_1_4_is_anagrams(const char* line1, const char* line2)
{
    size_t len1 = std::strlen(line1);
    size_t len2 = std::strlen(line2);

    if (len1 != len2)
    {
        return false;
    }

    int buf = 0;

    for (int i = 0; i < len1; ++i)
    {
        buf ^= line1[i] ^ line2[i];
    }
    return (buf == 0);
}