From 5571d7a21c5dc920eb9d25336b5bb7b04d72fc9d Mon Sep 17 00:00:00 2001
From: nicm <nicm>
Date: Wed, 22 May 2019 18:58:31 +0000
Subject: [PATCH] Fix crash if window doesn't exist, GitHub issue 1751.

---
 cmd-show-options.c | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/cmd-show-options.c b/cmd-show-options.c
index 1e1518f6..2b4651b9 100644
--- a/cmd-show-options.c
+++ b/cmd-show-options.c
@@ -91,7 +91,14 @@ cmd_show_options_exec(struct cmd *self, struct cmdq_item *item)
 
 	window = (self->entry == &cmd_show_window_options_entry);
 	if (args->argc == 0) {
-		options_scope_from_flags(args, window, fs, &oo, &cause);
+		scope = options_scope_from_flags(args, window, fs, &oo, &cause);
+		if (scope == OPTIONS_TABLE_NONE) {
+			if (args_has(args, 'q'))
+				return (CMD_RETURN_NORMAL);
+			cmdq_error(item, "%s", cause);
+			free(cause);
+			return (CMD_RETURN_ERROR);
+		}
 		return (cmd_show_options_all(self, item, oo));
 	}
 	argument = format_single(item, args->argv[0], c, s, wl, NULL);