diff options
Diffstat (limited to 'drivers/isdn/hardware/eicon/dqueue.c')
-rw-r--r-- | drivers/isdn/hardware/eicon/dqueue.c | 110 |
1 files changed, 0 insertions, 110 deletions
diff --git a/drivers/isdn/hardware/eicon/dqueue.c b/drivers/isdn/hardware/eicon/dqueue.c deleted file mode 100644 index 7958a2536a10..000000000000 --- a/drivers/isdn/hardware/eicon/dqueue.c +++ /dev/null @@ -1,110 +0,0 @@ -/* $Id: dqueue.c,v 1.5 2003/04/12 21:40:49 schindler Exp $ - * - * Driver for Eicon DIVA Server ISDN cards. - * User Mode IDI Interface - * - * Copyright 2000-2003 by Armin Schindler (mac@melware.de) - * Copyright 2000-2003 Cytronics & Melware (info@melware.de) - * - * This software may be used and distributed according to the terms - * of the GNU General Public License, incorporated herein by reference. - */ - -#include "platform.h" -#include "dqueue.h" - -int -diva_data_q_init(diva_um_idi_data_queue_t *q, - int max_length, int max_segments) -{ - int i; - - q->max_length = max_length; - q->segments = max_segments; - - for (i = 0; i < q->segments; i++) { - q->data[i] = NULL; - q->length[i] = 0; - } - q->read = q->write = q->count = q->segment_pending = 0; - - for (i = 0; i < q->segments; i++) { - if (!(q->data[i] = diva_os_malloc(0, q->max_length))) { - diva_data_q_finit(q); - return (-1); - } - } - - return (0); -} - -int diva_data_q_finit(diva_um_idi_data_queue_t *q) -{ - int i; - - for (i = 0; i < q->segments; i++) { - if (q->data[i]) { - diva_os_free(0, q->data[i]); - } - q->data[i] = NULL; - q->length[i] = 0; - } - q->read = q->write = q->count = q->segment_pending = 0; - - return (0); -} - -int diva_data_q_get_max_length(const diva_um_idi_data_queue_t *q) -{ - return (q->max_length); -} - -void *diva_data_q_get_segment4write(diva_um_idi_data_queue_t *q) -{ - if ((!q->segment_pending) && (q->count < q->segments)) { - q->segment_pending = 1; - return (q->data[q->write]); - } - - return NULL; -} - -void -diva_data_q_ack_segment4write(diva_um_idi_data_queue_t *q, int length) -{ - if (q->segment_pending) { - q->length[q->write] = length; - q->count++; - q->write++; - if (q->write >= q->segments) { - q->write = 0; - } - q->segment_pending = 0; - } -} - -const void *diva_data_q_get_segment4read(const diva_um_idi_data_queue_t * - q) -{ - if (q->count) { - return (q->data[q->read]); - } - return NULL; -} - -int diva_data_q_get_segment_length(const diva_um_idi_data_queue_t *q) -{ - return (q->length[q->read]); -} - -void diva_data_q_ack_segment4read(diva_um_idi_data_queue_t *q) -{ - if (q->count) { - q->length[q->read] = 0; - q->count--; - q->read++; - if (q->read >= q->segments) { - q->read = 0; - } - } -} |