99 lines
2.1 KiB
C
99 lines
2.1 KiB
C
/* (C) 2008 by Harald Welte <laforge@gnumonks.org>
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* All Rights Reserved
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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*/
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#include <unistd.h>
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#include <string.h>
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#include <stdlib.h>
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#include <sys/types.h>
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#include <osmocore/msgb.h>
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//#include <openbsc/gsm_data.h>
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#include <osmocore/talloc.h>
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//#include <openbsc/debug.h>
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void *tall_msgb_ctx;
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struct msgb *msgb_alloc(u_int16_t size, const char *name)
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{
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struct msgb *msg;
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msg = _talloc_zero(tall_msgb_ctx, sizeof(*msg) + size, name);
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if (!msg) {
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//LOGP(DRSL, LOGL_FATAL, "unable to allocate msgb\n");
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return NULL;
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}
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msg->data_len = size;
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msg->len = 0;
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msg->data = msg->_data;
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msg->head = msg->data;
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msg->data = msg->data;
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/* reset tail pointer */
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msg->tail = msg->data;
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//msg->end = msg->tail + size;
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return msg;
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}
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void msgb_free(struct msgb *m)
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{
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talloc_free(m);
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}
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void msgb_enqueue(struct llist_head *queue, struct msgb *msg)
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{
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llist_add_tail(&msg->list, queue);
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}
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struct msgb *msgb_dequeue(struct llist_head *queue)
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{
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struct llist_head *lh;
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if (llist_empty(queue))
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return NULL;
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lh = queue->next;
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llist_del(lh);
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return llist_entry(lh, struct msgb, list);
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}
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void msgb_reset(struct msgb *msg)
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{
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msg->len = 0;
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msg->len = 0;
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msg->data = msg->_data;
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msg->head = msg->data;
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msg->data = msg->data;
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/* reset tail pointer */
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msg->tail = msg->data;
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/* reset pointers */
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msg->bts_link = NULL;
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msg->trx = NULL;
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msg->lchan = NULL;
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msg->l2h = NULL;
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msg->l3h = NULL;
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msg->smsh = NULL;
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}
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