From 3791a996e230aec59d61faea46634ae4f031e359 Mon Sep 17 00:00:00 2001
From: Hiltjo Posthuma <hiltjo@codemadness.org>
Date: Sat, 16 Aug 2025 11:11:27 +0200
Subject: add a comment for the ctrl-u clear field combo

---
 slock.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/slock.c b/slock.c
index b5d05b1..f16781f 100644
--- a/slock.c
+++ b/slock.c
@@ -185,7 +185,7 @@ readpw(Display *dpy, struct xrandr *rr, struct lock **locks, int nscreens,
 				    (len + num < sizeof(passwd))) {
 					memcpy(passwd + len, buf, num);
 					len += num;
-				} else if (buf[0] == '\025') {
+				} else if (buf[0] == '\025') { /* ctrl-u clears input */
 					explicit_bzero(&passwd, sizeof(passwd));
 					len = 0;
 				}
-- 
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