maint: update copyright

[gnulib.git] / lib / unistr / u16-mbsnlen.c

diff --git a/lib/unistr/u16-mbsnlen.c b/lib/unistr/u16-mbsnlen.c
index 1c87a80..1a2fa06 100644 (file)
--- a/lib/unistr/u16-mbsnlen.c
+++ b/lib/unistr/u16-mbsnlen.c
@@ -1,21 +1,19 @@
 /* Count characters in UTF-16 string.
-   Copyright (C) 2007 Free Software Foundation, Inc.
+   Copyright (C) 2007, 2009-2014 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2007.
 
-   This program is free software; you can redistribute it and/or modify it
-   under the terms of the GNU Library General Public License as published
-   by the Free Software Foundation; either version 2, or (at your option)
-   any later version.
+   This program is free software: you can redistribute it and/or modify it
+   under the terms of the GNU Lesser General Public License as published
+   by the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
 
    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Library General Public License for more details.
+   Lesser General Public License for more details.
 
-   You should have received a copy of the GNU Library General Public
-   License along with this program; if not, write to the Free Software
-   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
-   USA.  */
+   You should have received a copy of the GNU Lesser General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
 
 #include <config.h>
 
@@ -30,12 +28,15 @@ u16_mbsnlen (const uint16_t *s, size_t n)
   characters = 0;
   while (n > 0)
     {
-      int count = u16_mblen (s, n);
+      ucs4_t uc;
+      int count = u16_mbtoucr (&uc, s, n);
+      characters++;
+      if (count == -2)
+        break;
       if (count <= 0)
-       count = 1;
+        count = 1;
       s += count;
       n -= count;
-      characters++;
     }
   return characters;
 }