1 files changed, 70 insertions, 0 deletions
diff --git a/openbsc/src/msgb.c b/openbsc/src/msgb.c
new file mode 100644
index 000000000..ce390e84a
--- /dev/null
+++ b/openbsc/src/msgb.c
@@ -0,0 +1,70 @@
+/* (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>
+
+struct msgb *msgb_alloc(u_int16_t size)
+{
+	struct msgb *msg = malloc(sizeof(*msg) + size);
+
+	if (!msg)
+		return NULL;
+	memset(msg, 0, sizeof(*msg)+size);
+
+	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)
+{
+	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);
+}