fix(c-wrapper): add a way to clone custom properties of c objects

src/c-wrapper/api/c-content.cpp

@@ -32,10 +32,12 @@ using namespace std;
 
 static void _linphone_content_constructor (LinphoneContent *content);
 static void _linphone_content_destructor (LinphoneContent *content);
+static void _linphone_content_c_clone (LinphoneContent *dest, const LinphoneContent *src);
 
 L_DECLARE_C_CLONABLE_OBJECT_IMPL_WITH_XTORS(Content,
 	_linphone_content_constructor,
 	_linphone_content_destructor,
+	_linphone_content_c_clone,
 
 	void *cryptoContext; // Used to encrypt file for RCS file transfer.
 
@@ -57,6 +59,12 @@ static void _linphone_content_destructor (LinphoneContent *content) {
 	content->cache.~Cache();
 }
 
+static void _linphone_content_c_clone (LinphoneContent *dest, const LinphoneContent *src) {
+	new(&dest->cache) LinphoneContent::Cache();
+	dest->size = src->size;
+	dest->cache = src->cache;
+}
+
 // =============================================================================
 // Reference and user data handling functions.
 // =============================================================================

src/c-wrapper/internal/c-tools.h

@@ -612,6 +612,7 @@ LINPHONE_END_NAMESPACE
 #undef L_INTERNAL_WRAPPER_CONSTEXPR
 
 #define L_INTERNAL_C_NO_XTOR(C_OBJECT)
+#define L_INTERNAL_C_NO_CLONE_C(C_DEST_OBJECT, C_SRC_OBJECT)
 
 #define L_INTERNAL_DECLARE_C_OBJECT(C_TYPE, ...) \
 	static_assert(LinphonePrivate::CTypeMetaInfo<Linphone ## C_TYPE>::defined, "Type is not defined."); \
@@ -669,7 +670,7 @@ LINPHONE_END_NAMESPACE
 		__VA_ARGS__ \
 	}; \
 
-#define L_INTERNAL_DECLARE_C_CLONABLE_OBJECT_FUNCTIONS(C_TYPE, CONSTRUCTOR, DESTRUCTOR) \
+#define L_INTERNAL_DECLARE_C_CLONABLE_OBJECT_FUNCTIONS(C_TYPE, CONSTRUCTOR, DESTRUCTOR, CLONE_C) \
 	BELLE_SIP_DECLARE_VPTR_NO_EXPORT(Linphone ## C_TYPE); \
 	Linphone ## C_TYPE *_linphone_ ## C_TYPE ## _init () { \
 		Linphone ## C_TYPE *object = belle_sip_object_new(Linphone ## C_TYPE); \
@@ -683,6 +684,7 @@ LINPHONE_END_NAMESPACE
 	static void _linphone_ ## C_TYPE ## _clone (Linphone ## C_TYPE *dest, const Linphone ## C_TYPE *src) { \
 		L_ASSERT(src->cppPtr); \
 		dest->cppPtr = new L_CPP_TYPE_OF_C_TYPE(C_TYPE)(*src->cppPtr); \
+		CLONE_C(dest, src); \
 	} \
 	BELLE_SIP_DECLARE_NO_IMPLEMENTED_INTERFACES(Linphone ## C_TYPE); \
 	BELLE_SIP_INSTANCIATE_VPTR( \
@@ -760,15 +762,15 @@ LINPHONE_END_NAMESPACE
 	L_INTERNAL_DECLARE_C_OBJECT(C_TYPE, __VA_ARGS__) \
 	L_INTERNAL_DECLARE_C_OBJECT_FUNCTIONS(C_TYPE, L_INTERNAL_C_NO_XTOR, L_INTERNAL_C_NO_XTOR)
 
-// Declare clonable wrapped C object with constructor/destructor.
-#define L_DECLARE_C_CLONABLE_OBJECT_IMPL_WITH_XTORS(C_TYPE, CONSTRUCTOR, DESTRUCTOR, ...) \
+// Declare clonable wrapped C object with constructor/destructor and clone_c.
+#define L_DECLARE_C_CLONABLE_OBJECT_IMPL_WITH_XTORS(C_TYPE, CONSTRUCTOR, DESTRUCTOR, CLONE_C, ...) \
 	L_INTERNAL_DECLARE_C_CLONABLE_OBJECT(C_TYPE, __VA_ARGS__) \
-	L_INTERNAL_DECLARE_C_CLONABLE_OBJECT_FUNCTIONS(C_TYPE, CONSTRUCTOR, DESTRUCTOR)
+	L_INTERNAL_DECLARE_C_CLONABLE_OBJECT_FUNCTIONS(C_TYPE, CONSTRUCTOR, DESTRUCTOR, CLONE_C)
 
 // Declare clonable wrapped C object.
 #define L_DECLARE_C_CLONABLE_OBJECT_IMPL(C_TYPE, ...) \
 	L_INTERNAL_DECLARE_C_CLONABLE_OBJECT(C_TYPE, __VA_ARGS__) \
-	L_INTERNAL_DECLARE_C_CLONABLE_OBJECT_FUNCTIONS(C_TYPE, L_INTERNAL_C_NO_XTOR, L_INTERNAL_C_NO_XTOR)
+	L_INTERNAL_DECLARE_C_CLONABLE_OBJECT_FUNCTIONS(C_TYPE, L_INTERNAL_C_NO_XTOR, L_INTERNAL_C_NO_XTOR, L_INTERNAL_C_NO_CLONE_C)
 
 // -----------------------------------------------------------------------------
 // Helpers.