Mercurial > gnulib
view lib/unistr/u16-mbsnlen.c @ 17249:e542fd46ad6f
maint: update all copyright year number ranges
Run "make update-copyright". Compare to commit 1602f0a from last year.
Signed-off-by: Eric Blake <eblake@redhat.com>
author | Eric Blake <eblake@redhat.com> |
---|---|
date | Tue, 01 Jan 2013 00:50:58 +0000 |
parents | 8250f2777afc |
children | 344018b6e5d7 |
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/* Count characters in UTF-16 string. Copyright (C) 2007, 2009-2013 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 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 Lesser General Public License for more details. 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> /* Specification. */ #include "unistr.h" size_t u16_mbsnlen (const uint16_t *s, size_t n) { size_t characters; characters = 0; while (n > 0) { ucs4_t uc; int count = u16_mbtoucr (&uc, s, n); characters++; if (count == -2) break; if (count <= 0) count = 1; s += count; n -= count; } return characters; }