} _iterator;
};
+/**
+ * Checks if a payload view's buffer is safe to access.
+ *
+ * After calling the payload view creation functions, callers should verify
+ * if the resquested length (if any is explicitly provided) could be mapped
+ * to a new view.
+ *
+ * @view Payload to validate
+ */
+bool lttng_payload_view_is_valid(const struct lttng_payload_view *view);
+
/**
* Return a payload view referencing a subset of a payload.
*
* cause the view to reference the whole payload from the
* offset provided.
*/
-LTTNG_HIDDEN
struct lttng_payload_view lttng_payload_view_from_payload(
const struct lttng_payload *payload, size_t offset,
ptrdiff_t len);
* cause the payload view to reference the whole payload view's
* buffer view from the offset provided.
*/
-LTTNG_HIDDEN
struct lttng_payload_view lttng_payload_view_from_view(
struct lttng_payload_view *view, size_t offset,
ptrdiff_t len);
* cause the payload view to reference the whole payload from the
* offset provided.
*/
-LTTNG_HIDDEN
struct lttng_payload_view lttng_payload_view_from_dynamic_buffer(
const struct lttng_dynamic_buffer *buffer, size_t offset,
ptrdiff_t len);
* cause the payload view to reference the whole payload from the
* offset provided.
*/
-LTTNG_HIDDEN
struct lttng_payload_view lttng_payload_view_from_buffer_view(
const struct lttng_buffer_view *view, size_t offset,
ptrdiff_t len);
* Note that a payload view never assumes the ownership of the memory it
* references.
*/
-LTTNG_HIDDEN
struct lttng_payload_view lttng_payload_view_init_from_buffer(
const char *src, size_t offset, ptrdiff_t len);
*
* Returns the number of file descriptor handles left on success, -1 on error.
*/
-LTTNG_HIDDEN
int lttng_payload_view_get_fd_handle_count(
- struct lttng_payload_view *payload_view);
+ const struct lttng_payload_view *payload_view);
/**
* Pop an fd handle from a payload view.
*
* Returns an fd_handle on success, -1 on error.
*/
-LTTNG_HIDDEN
struct fd_handle *lttng_payload_view_pop_fd_handle(
struct lttng_payload_view *payload_view);