Function add_port

lib/termios.c:1184–1283

----------------------------------------------------------*/

static struct termios_list *add_port(const char *filename)
{
    struct termios_list *index = first_tl;
    struct termios_list *port;

    ENTER("add_port");

    port = calloc(1, sizeof(struct termios_list));

    if (!port)
    {
        goto fail;
    }

    memset(port, 0, sizeof(struct termios_list));

    port->ttyset = calloc(1, sizeof(struct termios));

    if (! port->ttyset)
    {
        goto fail;
    }

    memset(port->ttyset, 0, sizeof(struct termios));

    port->sstruct = calloc(1, sizeof(struct serial_struct));

    if (! port->sstruct)
    {
        goto fail;
    }

    memset(port->sstruct, 0, sizeof(struct serial_struct));
    port->sis = calloc(1, sizeof(struct serial_icounter_struct));

    if (! port->sis)
    {
        goto fail;
    }

    memset(port->sis, 0, sizeof(struct serial_icounter_struct));

    /*  FIXME  the async_struct is being defined by mingw32 headers?
        port->astruct = calloc(1, sizeof( struct async_struct ) );
        if( ! port->astruct )
            goto fail;
        memset( port->astruct, 0, sizeof( struct async_struct ) );
    */
    port->MSR = 0;

    strncpy(port->filename, filename, sizeof(port->filename) - 1);

    port->fd = get_free_fd();


    if (!first_tl)
    {
        port->prev = NULL;