From 473aab977cc286839a94d0efe3f011ba71a81a68 Mon Sep 17 00:00:00 2001
From: Miles Bader <miles@gnu.org>
Date: Wed, 14 Feb 1996 22:07:04 +0000
Subject: (init_termstate, restore_termstate, term_sgb, localbits):   Moved
 here from boot.c

---
 boot/ux.c | 28 ++++++++++++++++++++++++++++
 1 file changed, 28 insertions(+)

(limited to 'boot')

diff --git a/boot/ux.c b/boot/ux.c
index 46e2f130..0a34b25f 100644
--- a/boot/ux.c
+++ b/boot/ux.c
@@ -241,3 +241,31 @@ printf (const char *fmt, ...)
 
   return 0;
 }
+
+static struct sgttyb term_sgb;
+static int localbits;
+
+void
+init_termstate ()
+{
+  struct sgttyb sgb;
+  int bits;
+  ioctl (0, TIOCGETP, &term_sgb);
+  ioctl (0, TIOCLGET, &localbits);
+  /* Enter raw made.  Rather than try and interpret these bits,
+     we just do what emacs does in .../emacs/src/sysdep.c for
+     an old style terminal driver. */
+  bits = localbits | LDECCTQ | LLITOUT | LPASS8 | LNOFLSH;
+  ioctl (0, TIOCLSET, &bits);
+  sgb = term_sgb;
+  sgb.sg_flags &= ~ECHO;
+  sgb.sg_flags |= RAW | ANYP;
+  ioctl (0, TIOCSETN, &sgb);
+}
+
+void
+restore_termstate ()
+{
+  ioctl (0, TIOCLSET, &localbits);
+  ioctl (0, TIOCSETN, &term_sgb);
+}
-- 
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