return;
XWarpPointer(dpy, None, c->win, 0, 0, 0, 0, c->w + c->bw - 1, c->h + c->bw - 1);
do {
- XMaskEvent(dpy, MOUSEMASK|ExposureMask|SubstructureRedirectMask , &ev);
+ XMaskEvent(dpy, MOUSEMASK|ExposureMask|SubstructureRedirectMask, &ev);
switch(ev.type) {
case ConfigureRequest:
case Expose:
void
toggletag(const Arg *arg) {
- unsigned int mask = sel->tags ^ (arg->ui & TAGMASK);
+ unsigned int mask;
+ if (!sel)
+ return;
+
+ mask = sel->tags ^ (arg->ui & TAGMASK);
if(sel && mask) {
sel->tags = mask;
arrange();