From c3b6da47d52b95527c09b8499f4144ea2bfc394a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Marc=20Andr=C3=A9=20Tanner?= <mat@brain-dump.org>
Date: Sun, 13 Mar 2016 13:31:12 +0100
Subject: sam: do not segfault when given a NULL pointer to parse

---
 sam.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/sam.c b/sam.c
index 3f47edd..ff0bc25 100644
--- a/sam.c
+++ b/sam.c
@@ -625,6 +625,8 @@ static bool sam_execute(Vis *vis, Win *win, Command *cmd, Filerange *range) {
 
 enum SamError sam_cmd(Vis *vis, const char *s) {
 	enum SamError err = SAM_ERR_OK;
+	if (!s)
+		return err;
 	Command *cmd = sam_parse(vis, s, &err);
 	if (!cmd) {
 		if (err == SAM_ERR_OK)
-- 
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