/*
- * Copyright (c) 2008, 2009 Nicira Networks.
+ * Copyright (c) 2008, 2009, 2010 Nicira Networks.
*
- * Permission to use, copy, modify, and/or distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
*
- * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
- * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
- * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
- * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
- * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
- * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
*/
#ifndef OFPBUF_H
#include <stddef.h>
+#ifdef __cplusplus
+extern "C" {
+#endif
+
/* Buffer for holding arbitrary data. An ofpbuf is automatically reallocated
* as necessary if it grows too large for the available memory. */
struct ofpbuf {
void *l7; /* Application data. */
struct ofpbuf *next; /* Next in a list of ofpbufs. */
- void *private; /* Private pointer for use by owner. */
+ void *private_p; /* Private pointer for use by owner. */
};
void ofpbuf_use(struct ofpbuf *, void *, size_t);
void ofpbuf_reinit(struct ofpbuf *, size_t);
struct ofpbuf *ofpbuf_new(size_t);
+struct ofpbuf *ofpbuf_new_with_headroom(size_t, size_t headroom);
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);
void ofpbuf_delete(struct ofpbuf *);
void *ofpbuf_put(struct ofpbuf *, const void *, size_t);
void ofpbuf_reserve(struct ofpbuf *, size_t);
void *ofpbuf_push_uninit(struct ofpbuf *b, size_t);
+void *ofpbuf_push_zeros(struct ofpbuf *, size_t);
void *ofpbuf_push(struct ofpbuf *b, const void *, size_t);
-size_t ofpbuf_headroom(struct ofpbuf *);
-size_t ofpbuf_tailroom(struct ofpbuf *);
+size_t ofpbuf_headroom(const struct ofpbuf *);
+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_pull(struct ofpbuf *, size_t);
void *ofpbuf_try_pull(struct ofpbuf *, size_t);
+char *ofpbuf_to_string(const struct ofpbuf *, size_t maxbytes);
+
+#ifdef __cplusplus
+}
+#endif
+
#endif /* ofpbuf.h */