friendlistsave.c

friendlistsave.c

static uint32_t friends_list_save(const Messenger *m, uint8_t *data)
{
    uint32_t i;
    uint32_t num = 0;

    for (i = 0; i < m->numfriends; i++) {
        if (m->friendlist[i].status > 0) {
            struct SAVED_FRIEND temp;
            memset(&temp, 0, sizeof(struct SAVED_FRIEND));
            temp.status = m->friendlist[i].status;
            memcpy(temp.real_pk, m->friendlist[i].real_pk, crypto_box_PUBLICKEYBYTES);

            if (temp.status < 3) {
                if (m->friendlist[i].info_size > SAVED_FRIEND_REQUEST_SIZE) {
                    memcpy(temp.info, m->friendlist[i].info, SAVED_FRIEND_REQUEST_SIZE);
                } else {
                    memcpy(temp.info, m->friendlist[i].info, m->friendlist[i].info_size);
                }

                temp.info_size = htons(m->friendlist[i].info_size);
                temp.friendrequest_nospam = m->friendlist[i].friendrequest_nospam;
            } else {
                memcpy(temp.name, m->friendlist[i].name, m->friendlist[i].name_length);
                temp.name_length = htons(m->friendlist[i].name_length);
                memcpy(temp.statusmessage, m->friendlist[i].statusmessage, m->friendlist[i].statusmessage_length);
                temp.statusmessage_length = htons(m->friendlist[i].statusmessage_length);
                temp.userstatus = m->friendlist[i].userstatus;

                uint8_t last_seen_time[sizeof(uint64_t)];
                memcpy(last_seen_time, &m->friendlist[i].last_seen_time, sizeof(uint64_t));
                host_to_net(last_seen_time, sizeof(uint64_t));
                memcpy(&temp.last_seen_time, last_seen_time, sizeof(uint64_t));
            }

            memcpy(data + num * sizeof(struct SAVED_FRIEND), &temp, sizeof(struct SAVED_FRIEND));
            num++;
        }
    }

    return num * sizeof(struct SAVED_FRIEND);
}