Add lttng_dynamic_buffer_append_view util

[lttng-tools.git] / src / common / dynamic-buffer.h

diff --git a/src/common/dynamic-buffer.h b/src/common/dynamic-buffer.h
index 1352a67c103a49206f5feca938761bc261fbb542..3435c846c3bf60054a86339383d96aa8ccb42a97 100644 (file)
--- a/src/common/dynamic-buffer.h
+++ b/src/common/dynamic-buffer.h
@@ -12,6 +12,8 @@
 #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. */
@@ -48,6 +50,15 @@ LTTNG_HIDDEN
 int lttng_dynamic_buffer_append_buffer(struct lttng_dynamic_buffer *dst_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 accommodates new_size. Areas acquired by