X-Git-Url: https://git.danieliu.xyz/?a=blobdiff_plain;ds=sidebyside;f=dwm.c;h=f5aa010aaec2d0b3d7e9563f934ed2f08b909faf;hb=8f052596b2c79e74c0e47b93595f13a754b3e2ef;hp=ec37588b1316baa359101196890fcbdeec2e7644;hpb=9463d5354bc57d0c0086b7328196d7af60ed706d;p=dwm.git

diff --git a/dwm.c b/dwm.c
index ec37588..f5aa010 100644
--- a/dwm.c
+++ b/dwm.c
@@ -1478,7 +1478,7 @@ togglefloating(const Arg *arg) {
 
 void
 togglelayout(const Arg *arg) {
-	if(arg->v)
+	if(arg && arg->v)
 		lt = (Layout *)arg->v;
 	else if(++lt == &layouts[LENGTH(layouts)])
 		lt = &layouts[0];