Handle pasting of empty selection.

Otherwise, pasting the X11 primary selection when empty results an
error and Xlib forcibly exits.

Signed-off-by: Christoph Lohmann <20h@r-36.net>

1 files changed, 2 insertions, 0 deletions

diff --git a/st.c b/st.c
index aa4185c..836ae21 100644
--- a/st.c
+++ b/st.c
@@ -995,6 +995,8 @@ selnotify(XEvent *e) {
 
         ofs = 0;
         xsev = (XSelectionEvent *)e;
+        if (xsev->property == None)
+            return;
         do {
                 if(XGetWindowProperty(xw.dpy, xw.win, xsev->property, ofs,
                                         BUFSIZ/4, False, AnyPropertyType,