1 files changed, 46 insertions, 0 deletions
diff --git a/contrib/nvi/ex/ex_open.c b/contrib/nvi/ex/ex_open.c
new file mode 100644
index 0000000..afffaeb
--- /dev/null
+++ b/contrib/nvi/ex/ex_open.c
@@ -0,0 +1,46 @@
+/*-
+ * Copyright (c) 1993, 1994
+ *	The Regents of the University of California.  All rights reserved.
+ * Copyright (c) 1993, 1994, 1995, 1996
+ *	Keith Bostic.  All rights reserved.
+ *
+ * See the LICENSE file for redistribution information.
+ */
+
+#include "config.h"
+
+#ifndef lint
+static const char sccsid[] = "@(#)ex_open.c	10.7 (Berkeley) 3/6/96";
+#endif /* not lint */
+
+#include <sys/types.h>
+#include <sys/queue.h>
+
+#include <bitstring.h>
+#include <limits.h>
+#include <stdio.h>
+
+#include "../common/common.h"
+
+/*
+ * ex_open -- :[line] o[pen] [/pattern/] [flags]
+ *
+ *	Switch to single line "open" mode.
+ *
+ * PUBLIC: int ex_open __P((SCR *, EXCMD *));
+ */
+int
+ex_open(sp, cmdp)
+	SCR *sp;
+	EXCMD *cmdp;
+{
+	/* If open option off, disallow open command. */
+	if (!O_ISSET(sp, O_OPEN)) {
+		msgq(sp, M_ERR,
+	    "140|The open command requires that the open option be set");
+		return (1);
+	}
+
+	msgq(sp, M_ERR, "141|The open command is not yet implemented");
+	return (1);
+}