Clients: Fix memleak issues in various clients of weston

In many clients of weston, Display was not being destroyed so added it.
Also destroy windows, widgets which were not being destroyed.

Signed-off-by: vivek <vivek.ellur@samsung.com>
Reviewed-by: Pekka Paalanen <ppaalanen@gmail.com>
Reviewed-by: Bryce Harrington <b.harrington@samsung.com>

clients/cliptest.c

@@ -879,6 +879,14 @@ benchmark(void)
 	return 0;
 }
 
+static void
+cliptest_destroy(struct cliptest *cliptest)
+{
+	widget_destroy(cliptest->widget);
+	window_destroy(cliptest->window);
+	free(cliptest);
+}
+
 int
 main(int argc, char *argv[])
 {
@@ -897,9 +905,8 @@ main(int argc, char *argv[])
 	cliptest = cliptest_create(d);
 	display_run(d);
 
-	widget_destroy(cliptest->widget);
+	cliptest_destroy(cliptest);
-	window_destroy(cliptest->window);
+	display_destroy(d);
-	free(cliptest);
 
 	return 0;
 }

clients/dnd.c

@@ -639,6 +639,14 @@ dnd_create(struct display *display)
 	return dnd;
 }
 
+static void
+dnd_destroy(struct dnd *dnd)
+{
+	widget_destroy(dnd->widget);
+	window_destroy(dnd->window);
+	free(dnd);
+}
+
 int
 main(int argc, char *argv[])
 {
@@ -660,5 +668,8 @@ main(int argc, char *argv[])
 
 	display_run(d);
 
+	dnd_destroy(dnd);
+	display_destroy(d);
+
 	return 0;
 }

clients/editor.c

@@ -1382,6 +1382,9 @@ main(int argc, char *argv[])
 
 	text_entry_destroy(editor.entry);
 	text_entry_destroy(editor.editor);
+	widget_destroy(editor.widget);
+	window_destroy(editor.window);
+	display_destroy(editor.display);
 
 	return 0;
 }

clients/flower.c

@@ -195,5 +195,9 @@ int main(int argc, char *argv[])
 
 	display_run(d);
 
+	widget_destroy(flower.widget);
+	window_destroy(flower.window);
+	display_destroy(d);
+
 	return 0;
 }

clients/fullscreen.c

@@ -562,5 +562,9 @@ int main(int argc, char *argv[])
 
 	display_run(d);
 
+	widget_destroy(fullscreen.widget);
+	window_destroy(fullscreen.window);
+	display_destroy(d);
+
 	return 0;
 }

clients/gears.c

@@ -469,17 +469,29 @@ gears_create(struct display *display)
 	return gears;
 }
 
+static void
+gears_destroy(struct gears *gears)
+{
+	widget_destroy(gears->widget);
+	window_destroy(gears->window);
+	free(gears);
+}
+
 int main(int argc, char *argv[])
 {
 	struct display *d;
+	struct gears *gears;
 
 	d = display_create(&argc, argv);
 	if (d == NULL) {
 		fprintf(stderr, "failed to create display: %m\n");
 		return -1;
 	}
-	gears_create(d);
+	gears = gears_create(d);
 	display_run(d);
 
+	gears_destroy(gears);
+	display_destroy(d);
+
 	return 0;
 }

clients/image.c

@@ -424,5 +424,7 @@ main(int argc, char *argv[])
 	if (image_counter > 0)
 		display_run(d);
 
+	display_destroy(d);
+
 	return 0;
 }

clients/scaler.c

@@ -321,6 +321,9 @@ main(int argc, char *argv[])
 
 	display_run(d);
 
+	widget_destroy(box.widget);
 	window_destroy(box.window);
+	display_destroy(d);
+
 	return 0;
 }

clients/smoke.c

@@ -329,5 +329,9 @@ int main(int argc, char *argv[])
 
 	display_run(d);
 
+	widget_destroy(smoke.widget);
+	window_destroy(smoke.window);
+	display_destroy(d);
+
 	return 0;
 }

clients/stacking.c

@@ -304,5 +304,8 @@ main(int argc, char *argv[])
 
 	display_run(stacking.display);
 
+	window_destroy(stacking.root_window);
+	display_destroy(stacking.display);
+
 	return 0;
 }

clients/transformed.c

@@ -290,6 +290,9 @@ int main(int argc, char *argv[])
 			       transformed.width, transformed.height);
 
 	display_run(d);
+	widget_destroy(transformed.widget);
+	window_destroy(transformed.window);
+	display_destroy(d);
 
 	return 0;
 }