X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=lib%2Fofpbuf.h;h=7f8338cd07a5d81ad7e9897cfb349a28275f64c4;hb=541bc79f73add327072470c9bc3febb4195cdb3c;hp=15f0ab1626e2ee56935628aadd034358c8fd19f0;hpb=31ac1e590b9bb2a2ce7c70cd7c8fd2db0fb8e481;p=openvswitch

diff --git a/lib/ofpbuf.h b/lib/ofpbuf.h
index 15f0ab16..7f8338cd 100644
--- a/lib/ofpbuf.h
+++ b/lib/ofpbuf.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2008, 2009, 2010 Nicira Networks.
+ * Copyright (c) 2008, 2009, 2010, 2011 Nicira Networks.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -28,8 +28,7 @@ extern "C" {
 
 enum ofpbuf_source {
     OFPBUF_MALLOC,              /* Obtained via malloc(). */
-    OFPBUF_STACK,               /* Stack space or static buffer. */
-    OFPBUF_CONST                /* Must not be expanded. */
+    OFPBUF_STACK                /* Stack space or static buffer. */
 };
 
 /* Buffer for holding arbitrary data.  An ofpbuf is automatically reallocated
@@ -69,6 +68,8 @@ struct ofpbuf *ofpbuf_clone(const struct ofpbuf *);
 struct ofpbuf *ofpbuf_clone_with_headroom(const struct ofpbuf *,
                                           size_t headroom);
 struct ofpbuf *ofpbuf_clone_data(const void *, size_t);
+struct ofpbuf *ofpbuf_clone_data_with_headroom(const void *, size_t,
+                                               size_t headroom);
 void ofpbuf_delete(struct ofpbuf *);
 
 void *ofpbuf_at(const struct ofpbuf *, size_t offset, size_t size);
@@ -90,11 +91,14 @@ size_t ofpbuf_tailroom(const struct ofpbuf *);
 void ofpbuf_prealloc_headroom(struct ofpbuf *, size_t);
 void ofpbuf_prealloc_tailroom(struct ofpbuf *, size_t);
 void ofpbuf_trim(struct ofpbuf *);
+void ofpbuf_padto(struct ofpbuf *, size_t);
 
 void ofpbuf_clear(struct ofpbuf *);
 void *ofpbuf_pull(struct ofpbuf *, size_t);
 void *ofpbuf_try_pull(struct ofpbuf *, size_t);
 
+void *ofpbuf_steal_data(struct ofpbuf *);
+
 char *ofpbuf_to_string(const struct ofpbuf *, size_t maxbytes);
 
 static inline struct ofpbuf *ofpbuf_from_list(const struct list *list)