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pmt/include/libgnulib/wcsnlen-impl.h
2024-12-14 11:17:56 +03:00

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/* Determine the length of a size-bounded wide string.
Copyright (C) 1999, 2011-2024 Free Software Foundation, Inc.
Written by Bruno Haible <bruno@clisp.org>, 1999.
This file 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 file 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 <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;
}