Check for NULL session and whatnot in status_replace, from Thomas Adam.

1 files changed, 12 insertions, 8 deletions

diff --git a/usr.bin/tmux/status.c b/usr.bin/tmux/status.c
index ca8db145986..da68a95a5a5 100644
--- a/usr.bin/tmux/status.c
+++ b/usr.bin/tmux/status.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: status.c,v 1.108 2014/01/28 23:07:09 nicm Exp $ */
+/* $OpenBSD: status.c,v 1.109 2014/02/14 12:37:54 nicm Exp $ */
 
 /*
  * Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
@@ -445,11 +445,11 @@ status_replace(struct client *c, struct session *s, struct winlink *wl,
 	if (fmt == NULL)
 		return (xstrdup(""));
 
-	if (s == NULL)
+	if (s == NULL && c != NULL)
 		s = c->session;
-	if (wl == NULL)
+	if (wl == NULL && s != NULL)
 		wl = s->curw;
-	if (wp == NULL)
+	if (wp == NULL && wl != NULL)
 		wp = wl->window->active;
 
 	len = strftime(in, sizeof in, fmt, localtime(&t));
@@ -472,10 +472,14 @@ status_replace(struct client *c, struct session *s, struct winlink *wl,
 	*optr = '\0';
 
 	ft = format_create();
-	format_client(ft, c);
-	format_session(ft, s);
-	format_winlink(ft, s, wl);
-	format_window_pane(ft, wp);
+	if (c != NULL)
+		format_client(ft, c);
+	if (s != NULL)
+		format_session(ft, s);
+	if (s != NULL && wl != NULL)
+		format_winlink(ft, s, wl);
+	if (wp != NULL)
+		format_window_pane(ft, wp);
 	expanded = format_expand(ft, out);
 	format_free(ft);
 	return (expanded);