X-Git-Url: https://git.xinqibao.xyz/dwm.git/blobdiff_plain/9463d5354bc57d0c0086b7328196d7af60ed706d..016dca4f694cb51c7db77aeeefcb55b8869f3842:/dwm.c?ds=inline

diff --git a/dwm.c b/dwm.c
index ec37588..29af1bd 100644
--- a/dwm.c
+++ b/dwm.c
@@ -324,9 +324,9 @@ buttonpress(XEvent *e) {
 			}
 		}
 		if(ev->x < x + blw) {
-			if(ev->button == Button1) 
+			if(ev->button == Button1)
 				togglelayout(NULL);
-			else if(ev->button == Button3) 
+			else if(ev->button == Button3)
 				togglemax(NULL);
 		}
 	}
@@ -662,7 +662,7 @@ focusstack(const Arg *arg) {
 		for(i = clients; i != sel; i = i->next)
 			if (!i->isbanned)
 				c = i;
-		if(!c) 
+		if(!c)
 			for(; i; i = i->next)
 				if (!i->isbanned)
 					c = i;
@@ -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];