X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;f=src%2Fcommon%2Fdynamic-buffer.h;h=d4813fa3919b6c3d43dc536d308368f8f186b837;hb=3afa94aeca5a0daae40fd7b6cc96b7e4c150c7d8;hp=1352a67c103a49206f5feca938761bc261fbb542;hpb=38b6c4f5eb49d404ff3f2248b017cea415c49618;p=lttng-tools.git

diff --git a/src/common/dynamic-buffer.h b/src/common/dynamic-buffer.h
index 1352a67c1..d4813fa39 100644
--- a/src/common/dynamic-buffer.h
+++ b/src/common/dynamic-buffer.h
@@ -12,6 +12,12 @@
 #include <stdint.h>
 #include <common/macros.h>
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct lttng_buffer_view;
+
 struct lttng_dynamic_buffer {
 	char *data;
 	/* size is the buffer's currently used capacity. */
@@ -27,7 +33,6 @@ struct lttng_dynamic_buffer {
  * Initialize a dynamic buffer. This performs no allocation and is meant
  * to be used instead of memset or explicit initialization of the buffer.
  */
-LTTNG_HIDDEN
 void lttng_dynamic_buffer_init(struct lttng_dynamic_buffer *buffer);
 
 /*
@@ -35,7 +40,6 @@ void lttng_dynamic_buffer_init(struct lttng_dynamic_buffer *buffer);
  * (after its current "size"). The dynamic buffer's size is increased by
  * "len", and its capacity is adjusted automatically.
  */
-LTTNG_HIDDEN
 int lttng_dynamic_buffer_append(struct lttng_dynamic_buffer *buffer,
 		const void *buf, size_t len);
 
@@ -44,10 +48,17 @@ int lttng_dynamic_buffer_append(struct lttng_dynamic_buffer *buffer,
  * dynamic buffer as the source buffer. The source buffer's size is used in lieu
  * of "len".
  */
-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".
+ */
+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
@@ -64,7 +75,6 @@ int lttng_dynamic_buffer_append_buffer(struct lttng_dynamic_buffer *dst_buffer,
  * NOTE: It is striclty _invalid_ to access memory after _size_, regardless
  *       of prior calls to set_capacity().
  */
-LTTNG_HIDDEN
 int lttng_dynamic_buffer_set_size(struct lttng_dynamic_buffer *buffer,
 		size_t new_size);
 
@@ -76,17 +86,18 @@ int lttng_dynamic_buffer_set_size(struct lttng_dynamic_buffer *buffer,
  *
  * If the current size > new_capacity, the operation will fail.
  */
-LTTNG_HIDDEN
 int lttng_dynamic_buffer_set_capacity(struct lttng_dynamic_buffer *buffer,
 		size_t new_capacity);
 
 /* Release any memory used by the dynamic buffer. */
-LTTNG_HIDDEN
 void lttng_dynamic_buffer_reset(struct lttng_dynamic_buffer *buffer);
 
 /* Get the space left in the buffer before a new resize is needed. */
-LTTNG_HIDDEN
 size_t lttng_dynamic_buffer_get_capacity_left(
 		struct lttng_dynamic_buffer *buffer);
 
+#ifdef __cplusplus
+}
+#endif
+
 #endif /* LTTNG_DYNAMIC_BUFFER_H */