[Linux-C] Thread function, websocket communication

/*
 * Dependency: https://github.com/mortzdk/Websocket
 * This thread function constantly sends data read from serial port.
 */
void *broadcastFromSerial(void *serialBuffer) {
    pthread_detach(pthread_self());
    (void) serialBuffer;
    char buffer[16] = "milannnnn<br>";

    int n = 100;    // random value
    while(1) {
        usleep(1000000);
        ws_connection_close status;

        ws_message *m = message_new();
        m->len = strlen(buffer);

        char *temp = malloc( sizeof(char)*(m->len+1) );
        if (temp == NULL) {
            raise(SIGINT);
            break;
        }

        /*
         * Test koji generise promjenjiv sadrzaj za slanje.
         * https://stackoverflow.com/questions/2279379/how-to-convert-integer-to-char-in-c
         *
         * A char in C is already a number (the character's ASCII code), no conversion required.
         *
         * If you want to convert a digit to the corresponding character, you can simply add '0':
         *
         * c = i +'0';
         * The '0' is a character in the ASCll table.
         *
         */
        char a = (n % 10) + '0';
        buffer[7] = a ;

        memset(temp, '\0', (m->len+1));
        memcpy(temp, buffer, m->len);
        memset(temp, (n % 10) + '0' , 5);
        m->msg = temp;

        temp = NULL;

        if ( (status = encodeMessage(m)) != CONTINUE) {
            message_free(m);
            free(m);
            raise(SIGINT);
            break;;
        }

        list_multicast_all(l, m);
        message_free(m);
        free(m);
        n--;
    }
        return 0;
}