diff options
Diffstat (limited to 'usr/src/lib/libcurses/screen/mbcharlen.c')
-rw-r--r-- | usr/src/lib/libcurses/screen/mbcharlen.c | 64 |
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); +} |