Free the data returned by XGetWindowProperty()

Signed-off-by: Eirik Byrkjeflot Anonsen <eirik@eirikba.org>

1 files changed, 8 insertions, 2 deletions

diff --git a/xprop.c b/xprop.c
index 7d20ca1..795cedd 100644
--- a/xprop.c
+++ b/xprop.c
@@ -1423,9 +1423,15 @@ Get_Window_Property_Data_And_Type (Atom atom,
     unsigned long nitems;
     unsigned long nbytes;
     unsigned long bytes_after;
-    unsigned char *prop;
+    static unsigned char *prop = NULL;
     int status;
-	
+
+    if (prop)
+    {
+	XFree(prop);
+	prop = NULL;
+    }
+
     status = XGetWindowProperty(dpy, target_win, atom, 0, (max_len+3)/4,
 				False, AnyPropertyType, &actual_type,
 				&actual_format, &nitems, &bytes_after,