1 files changed, 116 insertions, 0 deletions
diff --git a/usr/src/lib/libcurses/screen/mbgetwidth.c b/usr/src/lib/libcurses/screen/mbgetwidth.c
new file mode 100644
index 0000000000..04ceb3a8a0
--- /dev/null
+++ b/usr/src/lib/libcurses/screen/mbgetwidth.c
@@ -0,0 +1,116 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License, Version 1.0 only
+ * (the "License").  You may not use this file except in compliance
+ * with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+/*  Copyright (c) 1988 AT&T */
+/*    All Rights Reserved   */
+
+
+/*
+ *      Copyright (c) 1997, by Sun Microsystems, Inc.
+ *      All rights reserved.
+ */
+
+#pragma ident	"%Z%%M%	%I%	%E% SMI"
+
+/*LINTLIBRARY*/
+
+#include	"curses_inc.h"
+#include	<sys/types.h>
+#include	<ctype.h>
+
+#define	CSWIDTH	514
+
+short		cswidth[4] = {-1, 1, 1, 1};	/* character length */
+short		_curs_scrwidth[4] = {1, 1, 1, 1};	/* screen width */
+
+/*
+ * This function is called only once in a program.
+ * Before cgetwidth() is called, setlocale() must be called.
+ */
+
+void
+mbgetwidth(void)
+{
+	unsigned char *cp = &__ctype[CSWIDTH];
+
+	cswidth[0] = cp[0];
+	cswidth[1] = cp[1];
+	cswidth[2] = cp[2];
+	_curs_scrwidth[0] = cp[3];
+	_curs_scrwidth[1] = cp[4];
+	_curs_scrwidth[2] = cp[5];
+
+}
+
+int
+mbeucw(int c)
+{
+	c &= 0xFF;
+
+	if (c & 0x80) {
+		if (c == SS2) {
+			return (cswidth[1]);
+		} else if (c == SS3) {
+			return (cswidth[2]);
+		}
+		return (cswidth[0]);
+	}
+	return (1);
+}
+
+int
+mbscrw(int c)
+{
+	c &= 0xFF;
+
+	if (c & 0x80) {
+		if (c == SS2) {
+			return (_curs_scrwidth[1]);
+		} else if (c == SS3) {
+			return (_curs_scrwidth[2]);
+		}
+		return (_curs_scrwidth[0]);
+	}
+	return (1);
+}
+
+int
+wcscrw(wchar_t wc)
+{
+	int	rv;
+
+	switch (wc & EUCMASK) {
+	case	P11:	/* Code set 1 */
+		rv = _curs_scrwidth[0];
+		break;
+	case	P01:	/* Code set 2 */
+		rv = _curs_scrwidth[1];
+		break;
+	case	P10:	/* Code set 3 */
+		rv = _curs_scrwidth[2];
+		break;
+	default	:	/* Code set 0 */
+		rv = 1;
+		break;
+	}
+
+	return (rv);
+}