X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;ds=sidebyside;f=lib%2Fofpbuf.h;h=520455dc36ed7a5d3708ea9b39f6e1b98471e40c;hb=56de7118d0909425d714457f0cb470d69f069421;hp=b8e3670411908e479f4327fcaac68d452273f918;hpb=933369b1194bce82bffa8cc1ccfdf82782cc5cde;p=openvswitch

diff --git a/lib/ofpbuf.h b/lib/ofpbuf.h
index b8e36704..520455dc 100644
--- a/lib/ofpbuf.h
+++ b/lib/ofpbuf.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2008, 2009, 2010, 2011 Nicira Networks.
+ * Copyright (c) 2008, 2009, 2010, 2011, 2012 Nicira, Inc.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -28,8 +28,8 @@ 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,               /* Un-movable stack space or static buffer. */
+    OFPBUF_STUB                 /* Starts on stack, may expand into heap. */
 };
 
 /* Buffer for holding arbitrary data.  An ofpbuf is automatically reallocated
@@ -57,10 +57,12 @@ struct ofpbuf {
 
 void ofpbuf_use(struct ofpbuf *, void *, size_t);
 void ofpbuf_use_stack(struct ofpbuf *, void *, size_t);
+void ofpbuf_use_stub(struct ofpbuf *, void *, size_t);
 void ofpbuf_use_const(struct ofpbuf *, const void *, size_t);
 
 void ofpbuf_init(struct ofpbuf *, size_t);
 void ofpbuf_uninit(struct ofpbuf *);
+void *ofpbuf_get_uninit_pointer(struct ofpbuf *);
 void ofpbuf_reinit(struct ofpbuf *, size_t);
 
 struct ofpbuf *ofpbuf_new(size_t);
@@ -92,6 +94,7 @@ 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);