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author | Harald Welte <laforge@gnumonks.org> | 2010-03-22 22:25:13 +0800 |
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committer | Harald Welte <laforge@gnumonks.org> | 2010-03-22 22:25:13 +0800 |
commit | 351ec2a1784fbdb2ce688f50a9134532f3bf0723 (patch) | |
tree | d599030f3ffb4e563b73f5ede9a8e80fc1bc048f /libosmocore/src/msgb.c | |
parent | e164d29e7f6c86d1f6f047bbf58159e46a11425f (diff) | |
parent | 045cc22baeb7f12dcb0022b79a1984d86e922870 (diff) |
Add 'libosmocore/' from commit '045cc22baeb7f12dcb0022b79a1984d86e922870'0.9.0
git-subtree-dir: libosmocore
git-subtree-mainline: e164d29e7f6c86d1f6f047bbf58159e46a11425f
git-subtree-split: 045cc22baeb7f12dcb0022b79a1984d86e922870
Diffstat (limited to 'libosmocore/src/msgb.c')
-rw-r--r-- | libosmocore/src/msgb.c | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/libosmocore/src/msgb.c b/libosmocore/src/msgb.c new file mode 100644 index 000000000..60af373eb --- /dev/null +++ b/libosmocore/src/msgb.c @@ -0,0 +1,89 @@ +/* (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 <osmocore/msgb.h> +//#include <openbsc/gsm_data.h> +#include <osmocore/talloc.h> +//#include <openbsc/debug.h> + +void *tall_msgb_ctx; + +struct msgb *msgb_alloc(uint16_t size, const char *name) +{ + struct msgb *msg; + + msg = _talloc_zero(tall_msgb_ctx, sizeof(*msg) + size, name); + + if (!msg) { + //LOGP(DRSL, LOGL_FATAL, "unable to allocate msgb\n"); + return NULL; + } + + msg->data_len = size; + msg->len = 0; + msg->data = msg->_data; + msg->head = msg->_data; + msg->tail = msg->_data; + + 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); +} + +void msgb_reset(struct msgb *msg) +{ + msg->len = 0; + msg->data = msg->_data; + msg->head = msg->_data; + msg->tail = msg->_data; + + msg->bts_link = NULL; + msg->trx = NULL; + msg->lchan = NULL; + msg->l2h = NULL; + msg->l3h = NULL; + msg->smsh = NULL; +} |