at least no more segfault

src/backend/haiku.cxx

@@ -1,8 +1,21 @@
 #include <Mw/Milsko.h>
 
-MwLL MwLLCreateImpl(MwLL parent, int x, int y, int width, int height) {}
+MwLL MwLLCreateImpl(MwLL parent, int x, int y, int width, int height) {
+	MwLL r = (MwLL)malloc(sizeof(*r));
 
-void MwLLDestroyImpl(MwLL handle) {}
+	MwLLCreateCommon(r);
+
+	r->common.copy_buffer = 1;
+	r->common.type	      = MwLLBackendHaiku;
+
+	return r;
+}
+
+void MwLLDestroyImpl(MwLL handle) {
+	MwLLDestroyCommon(handle);
+
+	free(handle);
+}
 
 void MwLLPolygonImpl(MwLL handle, MwPoint* points, int points_count, MwLLColor color) {}
 
@@ -12,9 +25,17 @@ void MwLLBeginDrawImpl(MwLL handle) {}
 
 void MwLLEndDrawImpl(MwLL handle) {}
 
-MwLLColor MwLLAllocColorImpl(MwLL handle, int r, int g, int b) {}
+MwLLColor MwLLAllocColorImpl(MwLL handle, int r, int g, int b) {
+	MwLLColor c = (MwLLColor)malloc(sizeof(*c));
+	MwLLColorUpdate(handle, c, r, g, b);
+	return c;
+}
 
-void MwLLColorUpdateImpl(MwLL handle, MwLLColor c, int r, int g, int b) {}
+void MwLLColorUpdateImpl(MwLL handle, MwLLColor c, int r, int g, int b) {
+	c->common.red	= r;
+	c->common.green = g;
+	c->common.blue	= b;
+}
 
 void MwLLFreeColorImpl(MwLLColor color) {}
 
@@ -26,15 +47,33 @@ void MwLLSetWHImpl(MwLL handle, int w, int h) {}
 
 void MwLLSetTitleImpl(MwLL handle, const char* title) {}
 
-int MwLLPendingImpl(MwLL handle) {}
+int MwLLPendingImpl(MwLL handle) {
+	return 0;
+}
 
 void MwLLNextEventImpl(MwLL handle) {}
 
-MwLLPixmap MwLLCreatePixmapImpl(MwLL handle, unsigned char* data, int width, int height) {}
+MwLLPixmap MwLLCreatePixmapImpl(MwLL handle, unsigned char* data, int width, int height) {
+	MwLLPixmap r = (MwLLPixmap)malloc(sizeof(*r));
+	r->common.raw = (unsigned char*)malloc(4 * width * height);
+	memcpy(r->common.raw, data, 4 * width * height);
+
+	r->common.width	 = width;
+	r->common.height = height;
+
+	MwLLPixmapUpdate(r);
+	return r;
+
+	return r;
+}
 
 void MwLLPixmapUpdateImpl(MwLLPixmap pixmap) {}
 
-void MwLLDestroyPixmapImpl(MwLLPixmap pixmap) {}
+void MwLLDestroyPixmapImpl(MwLLPixmap pixmap) {
+	free(pixmap->common.raw);
+
+	free(pixmap);
+}
 
 void MwLLDrawPixmapImpl(MwLL handle, MwRect* rect, MwLLPixmap pixmap) {}
 
@@ -72,11 +111,19 @@ void MwLLGetCursorCoordImpl(MwLL handle, MwPoint* point) {}
 
 void MwLLGetScreenSizeImpl(MwLL handle, MwRect* rect) {}
 
-void MwLLSetDarkThemeImpl(MwLL handle, int toggle) {}
+void MwLLSetDarkThemeImpl(MwLL handle, int toggle) {
+	(void)handle;
+	(void)toggle;
+}
 
-MwBool MwLLDoModernImpl(MwLL handle) {}
+MwBool MwLLDoModernImpl(MwLL handle) {
+	(void)handle;
+	return MwTRUE;
+}
 
-int MwLLHaikuCallInitImpl() {}
+int MwLLHaikuCallInitImpl() {
+	return 0;
+}
 
 #include "call.c"
 CALL(Haiku);