From a98fba8971ab4b8d8b1f18422b808a79434d8923 Mon Sep 17 00:00:00 2001
From: Markus Teich <markus.teich@stusta.mhn.de>
Date: Fri, 23 Sep 2016 19:08:39 +0200
Subject: [PATCH] error out early on crypt() fail

---
 slock.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/slock.c b/slock.c
index 6dedc69..2d57e81 100644
--- a/slock.c
+++ b/slock.c
@@ -321,8 +321,9 @@ main(int argc, char **argv) {
 #endif
 
 	hash = gethash();
-	if (strlen(hash) < 2)
-		die("slock: failed to get user password hash.\n");
+	errno = 0;
+	if (!crypt("", hash))
+		die("slock: crypt: %s\n", strerror(errno));
 
 	if (!(dpy = XOpenDisplay(NULL)))
 		die("slock: cannot open display\n");
-- 
2.20.1