From 764f8d22b250e09c1dea98fb8073e71a720892f7 Mon Sep 17 00:00:00 2001
From: Nathan Reiner <nathan@nathanreiner.xyz>
Date: Wed, 8 Feb 2023 21:39:42 +0100
Subject: add pager

---
 lib/tctl/tctl.c | 40 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 40 insertions(+)

(limited to 'lib/tctl/tctl.c')

diff --git a/lib/tctl/tctl.c b/lib/tctl/tctl.c
index 187d1a9..d54f2dd 100644
--- a/lib/tctl/tctl.c
+++ b/lib/tctl/tctl.c
@@ -4,6 +4,10 @@
 #define GET_WIN_SIZE 0x5413
 #define SET_WIN_SIZE 0x5414
 #define TC_GET_ATTR  0x5401
+#define TC_SET_ATTR  0x5402
+#define FD_FLUSH     0x000b
+#define ICANON       000002
+#define ECHO         000010
 
 window_size_t tctl_get_window_size()
 {
@@ -24,3 +28,39 @@ int isatty()
 	termios_t term;
 	return ioctl(1, TC_GET_ATTR, &term) == 0;
 }
+
+
+int tcgetattr(int fd, termios_t *termios)
+{
+	return ioctl(fd, TC_GET_ATTR, termios);
+}
+
+
+void tcsetattr(int fd, termios_t *termios)
+{
+	ioctl(fd, TC_SET_ATTR, termios);
+}
+
+
+void setcanonical(termios_t *term, int is_canonical)
+{
+	if (is_canonical)
+		term->c_lflag |= ICANON;
+	else
+		term->c_lflag &= ~ICANON;
+}
+
+
+void setecho(termios_t *term, int is_echo)
+{
+	if (is_echo)
+		term->c_lflag |= ECHO;
+	else
+		term->c_lflag &= ~ECHO;
+}
+
+
+void flush(unsigned int fd)
+{
+	ioctl(fd, FD_FLUSH, 0);
+}
-- 
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