be more paranoid when freeing memory and some whitespace fixes

diff --git a/scrotwm.c b/scrotwm.c
index 10b638c..edf326d 100644 (file)
--- a/scrotwm.c
+++ b/scrotwm.c
@@ -995,7 +995,7 @@ geteventname(XEvent *e)
 char *
 xrandr_geteventname(XEvent *e)
 {
-       char                    *name = NULL;
+       char                    *name = NULL;
 
        switch(e->type - xrandr_eventbase) {
        case RRScreenChangeNotify:
@@ -2485,7 +2485,6 @@ done:
                if (window_name_enabled || title_name_enabled ||
                    title_class_enabled)
                        bar_update();
-               
                return;
        }
 
@@ -5082,7 +5081,7 @@ setquirk(const char *class, const char *name, unsigned long quirk)
        struct quirk            *qp;
 
        DNPRINTF(SWM_D_QUIRK, "setquirk: enter %s:%s [%lu]\n", class, name,
-          quirk); 
+          quirk);
 
        TAILQ_FOREACH(qp, &quirks, entry) {
                if (!strcmp(qp->class, class) && !strcmp(qp->name, name)) {
@@ -5955,7 +5954,10 @@ unmanage_window(struct ws_win *win)
 
        focus_prev(win);
 
-       XFree(win->hints);
+       if (win->hints) {
+               XFree(win->hints);
+               win->hints = NULL;
+       }
 
        TAILQ_REMOVE(&win->ws->winlist, win, entry);
        TAILQ_INSERT_TAIL(&win->ws->unmanagedlist, win, entry);