From 0d9c9d805ac3f0bfeca55904bce796652d46333f Mon Sep 17 00:00:00 2001
From: verdant <i@glowisle.me>
Date: Wed, 20 May 2026 00:01:47 +0800
Subject: Move termios-about functions to utils.h/.c

---
 utils.c | 19 +++++++++++++++++++
 utils.h |  7 +++++++
 2 files changed, 26 insertions(+)
 create mode 100644 utils.c
 create mode 100644 utils.h

diff --git a/utils.c b/utils.c
new file mode 100644
index 0000000..da5fe12
--- /dev/null
+++ b/utils.c
@@ -0,0 +1,19 @@
+#include <termios.h>
+#include "utils.h"
+
+static struct termios original_term;
+
+void disable_term_echo()
+{
+	struct termios new_setting;
+	tcgetattr(0, &original_term);
+	new_setting = original_term;
+
+	new_setting.c_lflag &= ~ECHO;
+	tcsetattr(0, TCSANOW, &new_setting);
+}
+
+void enable_term_echo()
+{
+	tcsetattr(0, TCSANOW, &original_term);
+}
diff --git a/utils.h b/utils.h
new file mode 100644
index 0000000..b556bbf
--- /dev/null
+++ b/utils.h
@@ -0,0 +1,7 @@
+#ifndef KL_UTILS_H
+#define KL_UTILS_H
+
+void disable_term_echo();
+void enable_term_echo();
+
+#endif
-- 
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