[hackers] [tabbed][PATCH] Fix crashes when nclients == 0 in movetab() and focusurgent()

[Caleb Malchik]

---
 tabbed.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/tabbed.c b/tabbed.c
index 6321575..23c3b47 100644
--- a/tabbed.c
+++ b/tabbed.c
@@ -502,6 +502,9 @@ focusurgent(const Arg *arg)
 {
        int c;
 
+       if (nclients == 0)
+               return;
+
        for (c = (sel + 1) % nclients; c != sel; c = (c + 1) % nclients) {
                if (clients[c]->urgent) {
                        focus(c);
@@ -785,6 +788,9 @@ movetab(const Arg *arg)
        int c;
        Client *new;
 
+       if (nclients == 0)
+               return;
+
        c = (sel + arg->i) % nclients;
        if (c < 0)
                c += nclients;
-- 
2.12.2