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>

diff --git a/st.c b/st.c
index aa4185c..836ae21 100644 (file)
--- 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,