From: Kurt A. Shoens <kurt@ucbvax.Berkeley.EDU>
Date: Sun, 21 Oct 1979 16:06:30 +0000 (-0800)
Subject: BSD 3 development
X-Git-Tag: BSD-3~799
X-Git-Url: https://git.subgeniuskitty.com/unix-history/.git/commitdiff_plain/3bb3507eb5a01105b4959f1d8332e00d210913a8

BSD 3 development
Work on file usr/src/cmd/reset.c

Synthesized-from: 3bsd
---

diff --git a/usr/src/cmd/reset.c b/usr/src/cmd/reset.c
new file mode 100644
index 0000000000..177404782e
--- /dev/null
+++ b/usr/src/cmd/reset.c
@@ -0,0 +1,32 @@
+/*
+ * reset - set the teletype mode bits to be sensible
+ *
+ * Kurt Shoens
+ *
+ * Very useful after crapping out in raw.
+ * Modified by Mark Horton to know about tchars
+ * and to not mess with peoples chars unless they are null.
+ */
+#include <sgtty.h>
+#define chk(val, dft) (val==0 ? dft : val)
+
+main()
+{
+	struct sgttyb buf;
+	struct tchars tbuf;
+
+	gtty(2, &buf);
+	ioctl(2, TIOCGETC, &tbuf);
+	buf.sg_flags &= ~(RAW|CBREAK|VTDELAY|ALLDELAY);
+	buf.sg_flags |= XTABS|ECHO|CRMOD|ANYP;
+	buf.sg_erase = chk(buf.sg_erase, '\08');	/* ^H */
+	buf.sg_kill = chk(buf.sg_kill, '\30');		/* ^X */
+	tbuf.t_intrc = chk(tbuf.t_intrc, '\177');	/* ^? */
+	tbuf.t_quitc = chk(tbuf.t_quitc, '\34');	/* ^\ */
+	tbuf.t_startc = chk(tbuf.t_startc, '\22');	/* ^Q */
+	tbuf.t_stopc = chk(tbuf.t_stopc, '\24');	/* ^S */
+	tbuf.t_eofc = chk(tbuf.t_eofc, '\4');		/* ^D */
+	/* brkc is left alone */
+	ioctl(2, TIOCSETN, &buf);
+	ioctl(2, TIOCSETC, &tbuf);
+}