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-rw-r--r--config.def.h3
-rw-r--r--slock.c5
2 files changed, 6 insertions, 2 deletions
diff --git a/config.def.h b/config.def.h
index 83e4887..3639e91 100644
--- a/config.def.h
+++ b/config.def.h
@@ -11,3 +11,6 @@ static const char *colorname[NUMCOLS] = {
/* treat a cleared input like a wrong password (color) */
static const int failonclear = 1;
+
+/* allow control key to trigger fail on clear */
+static const int controlkeyclear = 1;
diff --git a/slock.c b/slock.c
index 5f4fb7a..fa21209 100644
--- a/slock.c
+++ b/slock.c
@@ -189,8 +189,9 @@ readpw(Display *dpy, struct xrandr *rr, struct lock **locks, int nscreens,
caps = !caps;
break;
default:
- if (num && !iscntrl((int)buf[0]) &&
- (len + num < sizeof(passwd))) {
+ if (controlkeyclear && iscntrl((int)buf[0]))
+ continue;
+ if (num && (len + num < sizeof(passwd))) {
memcpy(passwd + len, buf, num);
len += num;
}