Move ID allocator to a separate file and use it also in OSPF

1 files changed, 25 insertions, 0 deletions

diff --git a/lib/idm.h b/lib/idm.h
new file mode 100644
index 00000000..e3380cce
--- /dev/null
+++ b/lib/idm.h
@@ -0,0 +1,25 @@
+/*
+ *	BIRD Library -- ID Map
+ *
+ *	(c) 2013--2015 Ondrej Zajicek <santiago@crfreenet.org>
+ *	(c) 2013--2015 CZ.NIC z.s.p.o.
+ *
+ *	Can be freely distributed and used under the terms of the GNU GPL.
+ */
+
+#ifndef _BIRD_IDM_H_
+#define _BIRD_IDM_H_
+
+struct idm
+{
+  u32 *data;
+  u32 pos;
+  u32 used;
+  u32 size;
+};
+
+void idm_init(struct idm *m, pool *p, uint size);
+u32 idm_alloc(struct idm *m);
+void idm_free(struct idm *m, u32 id);
+
+#endif