From f553f1a5e29711c9739ae11224dfe62016372bbd Mon Sep 17 00:00:00 2001
From: Nathan Fritzer <nfblaster@live.com>
Date: Mon, 19 May 2025 20:44:43 -0600
Subject: [PATCH] fix(CarbonCore): add OpenDefaultComponent stub

---
 .../CoreServices/include/CarbonCore/Components.h      |  2 ++
 .../CoreServices/src/CarbonCore/Components.cpp        | 11 +++++++++++
 2 files changed, 13 insertions(+)

diff --git a/src/frameworks/CoreServices/include/CarbonCore/Components.h b/src/frameworks/CoreServices/include/CarbonCore/Components.h
index 004c0bcce..e1780827b 100644
--- a/src/frameworks/CoreServices/include/CarbonCore/Components.h
+++ b/src/frameworks/CoreServices/include/CarbonCore/Components.h
@@ -138,6 +138,8 @@ long CountComponents(ComponentDescription* desc);
 
 OSErr OpenAComponent(Component comp, ComponentInstance* out);
 ComponentInstance OpenComponent(Component comp);
+ComponentInstance OpenDefaultComponent(OSType componentType, OSType componentSubType);
+
 OSErr CloseComponent(ComponentInstance inst);
 
 Component RegisterComponent(ComponentDescription *cd, ComponentRoutineUPP componentEntryPoint, SInt16 global,
diff --git a/src/frameworks/CoreServices/src/CarbonCore/Components.cpp b/src/frameworks/CoreServices/src/CarbonCore/Components.cpp
index 39c6315be..1c5ac447e 100644
--- a/src/frameworks/CoreServices/src/CarbonCore/Components.cpp
+++ b/src/frameworks/CoreServices/src/CarbonCore/Components.cpp
@@ -22,6 +22,11 @@ along with Darling.  If not, see <http://www.gnu.org/licenses/>.
 #include <CarbonCore/MacMemory.h>
 #include "ComponentManager.h"
 
+static int verbose = 0;
+__attribute__((constructor)) static void initme(void) {
+    verbose = getenv("STUB_VERBOSE") != NULL;
+}
+
 Component FindNextComponent(Component prev, ComponentDescription* desc)
 {
 	std::vector<Component> components = ComponentManager::instance()->findMatching(desc);
@@ -85,6 +90,12 @@ ComponentInstance OpenComponent(Component comp)
 	return nullptr;
 }
 
+ComponentInstance OpenDefaultComponent(OSType componentType, OSType componentSubType)
+{
+    if (verbose) puts("STUB: OpenDefaultComponent called");
+	return nullptr;
+}
+
 OSErr CloseComponent(ComponentInstance inst)
 {
 	return ComponentManager::instance()->dispose(inst);
-- 
2.51.2