Add LV2_ATOM_CONTENTS_CONST and LV2_ATOM_BODY_CONST.

2 files changed, 13 insertions, 0 deletions

diff --git a/lv2/lv2plug.in/ns/ext/atom/atom.h b/lv2/lv2plug.in/ns/ext/atom/atom.h
index 37a3e6c..8169167 100644
--- a/lv2/lv2plug.in/ns/ext/atom/atom.h
+++ b/lv2/lv2plug.in/ns/ext/atom/atom.h
@@ -80,11 +80,22 @@ typedef char lv2_atom_assert_double_fits_in_64_bits[
 	((void*)((uint8_t*)(atom) + sizeof(type)))
 
 /**
+   Const version of LV2_ATOM_CONTENTS.
+*/
+#define LV2_ATOM_CONTENTS_CONST(type, atom) \
+	((const void*)((const uint8_t*)(atom) + sizeof(type)))
+
+/**
    Return a pointer to the body of an Atom.  The "body" of an atom is the
    data just past the LV2_Atom head (i.e. the same offset for all types).
 */
 #define LV2_ATOM_BODY(atom) LV2_ATOM_CONTENTS(LV2_Atom, atom)
 
+/**
+   Const version of LV2_ATOM_BODY.
+*/
+#define LV2_ATOM_BODY_CONST(atom) LV2_ATOM_CONTENTS_CONST(LV2_Atom, atom)
+
 /** The header of an atom:Atom. */
 typedef struct {
 	uint32_t size;  /**< Size in bytes, not including type and size. */
diff --git a/lv2/lv2plug.in/ns/ext/atom/lv2-atom.doap.ttl b/lv2/lv2plug.in/ns/ext/atom/lv2-atom.doap.ttl
index 4823bc5..eec8130 100644
--- a/lv2/lv2plug.in/ns/ext/atom/lv2-atom.doap.ttl
+++ b/lv2/lv2plug.in/ns/ext/atom/lv2-atom.doap.ttl
@@ -26,6 +26,8 @@
 				rdfs:label "Fix outdated documentation in forge.h."
 			] , [
 				rdfs:label "Use consistent label style."
+			] , [
+				rdfs:label "Add LV2_ATOM_CONTENTS_CONST and LV2_ATOM_BODY_CONST."
 			]
 		]
 	] , [