view lib/wcsnlen-impl.h @ 40132:6bcaf5dcb02b

fdatasync: Fix compilation error on Android 4.3. * m4/fdatasync.m4 (gl_FUNC_FDATASYNC): On platforms other than Solaris, test whether fdatasync() exists.
author Bruno Haible <bruno@clisp.org>
date Fri, 25 Jan 2019 00:15:50 +0100
parents b06060465f09
children
line wrap: on
line source

/* Determine the length of a size-bounded wide string.
   Copyright (C) 1999, 2011-2019 Free Software Foundation, Inc.
   Written by Bruno Haible <bruno@clisp.org>, 1999.

   This program is free software: you can redistribute it and/or modify
   it under the terms of the GNU 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 General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */

size_t
wcsnlen (const wchar_t *s, size_t maxlen)
{
  const wchar_t *ptr;

  for (ptr = s; maxlen > 0 && *ptr != (wchar_t)'\0'; ptr++, maxlen--)
    ;
  return ptr - s;
}