| /* (C) 2008 by Harald Welte <laforge@gnumonks.org> |
| * All Rights Reserved |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; either version 2 of the License, or |
| * (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License along |
| * with this program; if not, write to the Free Software Foundation, Inc., |
| * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| */ |
| |
| |
| #include <unistd.h> |
| #include <string.h> |
| #include <stdlib.h> |
| #include <sys/types.h> |
| |
| #include <openbsc/msgb.h> |
| #include <openbsc/gsm_data.h> |
| #include <openbsc/talloc.h> |
| |
| static void *tall_msgb_ctx; |
| |
| struct msgb *msgb_alloc(u_int16_t size, const char *name) |
| { |
| struct msgb *msg; |
| |
| msg = _talloc_zero(tall_msgb_ctx, sizeof(*msg) + size, name); |
| |
| if (!msg) |
| return NULL; |
| |
| msg->data_len = size; |
| msg->len = 0; |
| msg->data = msg->_data; |
| |
| msg->head = msg->data; |
| msg->data = msg->data; |
| /* reset tail pointer */ |
| msg->tail = msg->data; |
| //msg->end = msg->tail + size; |
| |
| return msg; |
| } |
| |
| void msgb_free(struct msgb *m) |
| { |
| talloc_free(m); |
| } |
| |
| void msgb_enqueue(struct llist_head *queue, struct msgb *msg) |
| { |
| llist_add_tail(&msg->list, queue); |
| } |
| |
| struct msgb *msgb_dequeue(struct llist_head *queue) |
| { |
| struct llist_head *lh; |
| |
| if (llist_empty(queue)) |
| return NULL; |
| |
| lh = queue->next; |
| llist_del(lh); |
| |
| return llist_entry(lh, struct msgb, list); |
| } |
| |
| static __attribute__((constructor)) void on_dso_load_trau_msgb(void) |
| { |
| tall_msgb_ctx = talloc_named_const(tall_bsc_ctx, 1, "msgb"); |
| } |