From: Ralph Campbell <ralph@ucbvax.Berkeley.EDU>
Date: Thu, 10 Mar 1983 08:22:41 +0000 (-0800)
Subject: date and time created 83/03/09 16:22:41 by ralph
X-Git-Tag: BSD-4_1c_2-Snapshot-Development~60
X-Git-Url: https://git.subgeniuskitty.com/unix-history/.git/commitdiff_plain/75cca8e4c118a4193ff54680010e2b610387bd85

date and time created 83/03/09 16:22:41 by ralph

SCCS-vsn: old/lib2648/escseq.c 4.1
---

diff --git a/usr/src/old/lib2648/escseq.c b/usr/src/old/lib2648/escseq.c
new file mode 100644
index 0000000000..3177084a91
--- /dev/null
+++ b/usr/src/old/lib2648/escseq.c
@@ -0,0 +1,49 @@
+/*	escseq.c	4.1	83/03/09	*/
+/*
+ * escseq: get us out of any escape sequence we are in the middle of
+ * and put us into the requested kind of escape sequence.
+ */
+
+#include "2648.h"
+
+escseq(mode)
+int mode;
+{
+	if (mode == _escmode)
+		return;
+	/* Get out of previous mode */
+	switch (_escmode) {
+	case NONE:
+		break;
+	case ESCD:
+		if (mode == TEXT) {
+			outchar('s');
+			_escmode = mode;
+			return;
+		}
+	case ESCP:
+	case ESCM:
+		outchar('Z');	/* no-op */
+		break;
+	case TEXT:
+		outstr("\33*dT");
+		break;
+	}
+	/* Get into new mode */
+	switch (_escmode = mode) {
+	case NONE:
+		break;
+	case ESCD:
+		outstr("\33*d");
+		break;
+	case ESCP:
+		outstr("\33*p");
+		break;
+	case ESCM:
+		outstr("\33*m");
+		break;
+	case TEXT:
+		outstr("\33*dS");
+		break;
+	}
+}