/*
- * Copyright (C) 2017 - Jérémie Galarneau <jeremie.galarneau@efficios.com>
+ * Copyright (C) 2017 Jérémie Galarneau <jeremie.galarneau@efficios.com>
*
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU Lesser General Public License, version 2.1 only,
- * as published by the Free Software Foundation.
+ * SPDX-License-Identifier: LGPL-2.1-only
*
- * 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 Lesser General Public License
- * for more details.
- *
- * You should have received a copy of the GNU Lesser 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
*/
#ifndef LTTNG_DYNAMIC_BUFFER_H
#include <stdint.h>
#include <common/macros.h>
+struct lttng_buffer_view;
+
struct lttng_dynamic_buffer {
char *data;
/* size is the buffer's currently used capacity. */
*/
LTTNG_HIDDEN
int lttng_dynamic_buffer_append_buffer(struct lttng_dynamic_buffer *dst_buffer,
- struct lttng_dynamic_buffer *src_buffer);
+ const struct lttng_dynamic_buffer *src_buffer);
+
+/*
+ * Performs the same action as lttng_dynamic_buffer_append(), but using a
+ * buffer view as the source buffer. The source buffer's size is used in lieu
+ * of "len".
+ */
+LTTNG_HIDDEN
+int lttng_dynamic_buffer_append_view(struct lttng_dynamic_buffer *buffer,
+ const struct lttng_buffer_view *view);
/*
* Set the buffer's size to new_size. The capacity of the buffer will
- * be expanded (if necessary) to accomodate new_size. Areas acquired by
+ * be expanded (if necessary) to accommodates new_size. Areas acquired by
* a size increase will be zeroed.
*
* Be careful to expand the buffer's size _before_ calling out external
size_t new_size);
/*
- * Set the buffer's capacity to accomodate the new_capacity, allocating memory
+ * Set the buffer's capacity to accommodates the new_capacity, allocating memory
* as necessary. The buffer's content is preserved. Setting a buffer's capacity
* is meant as a _hint_ to the underlying buffer and is only optimization; no
* guarantee is offered that subsequent calls to append or set_size will succeed.