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Diffstat (limited to 'usr/src/lib/libcurses/screen/mbcharlen.c')
-rw-r--r--usr/src/lib/libcurses/screen/mbcharlen.c64
1 files changed, 64 insertions, 0 deletions
diff --git a/usr/src/lib/libcurses/screen/mbcharlen.c b/usr/src/lib/libcurses/screen/mbcharlen.c
new file mode 100644
index 0000000000..48a7a6a54f
--- /dev/null
+++ b/usr/src/lib/libcurses/screen/mbcharlen.c
@@ -0,0 +1,64 @@
+/*
+ * 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 <sys/types.h>
+#include "curses_inc.h"
+
+/*
+ * Get the # of valid characters
+ */
+
+int
+mbcharlen(char *sp)
+{
+ int n, m, k, ty;
+ chtype c;
+
+ n = 0;
+ for (; *sp != '\0'; ++sp, ++n)
+ if (ISMBIT(*sp)) {
+ c = RBYTE(*sp);
+ ty = TYPE(c & 0377);
+ m = cswidth[ty] - (ty == 0 ? 1 : 0);
+ for (sp += 1, k = 1; *sp != '\0' && k <= m; ++k,
+ ++sp) {
+ c = RBYTE(*sp);
+ if (TYPE(c) != 0)
+ break;
+ }
+ if (k <= m)
+ break;
+ }
+ return (n);
+}