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/* Copyright (C) 1995-2020 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, 1995.
The GNU C Library 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 2.1 of the License, or (at your option) any later version.
The GNU C Library 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 the GNU C Library; if not, see
<https://www.gnu.org/licenses/>. */
#include <wchar.h>
#ifdef WCSCSPN
# define wcscspn WCSCSPN
#endif
/* Return the length of the maximum initial segment
of WCS which contains only wide-characters not in REJECT. */
size_t
wcscspn (const wchar_t *wcs, const wchar_t *reject)
{
size_t count = 0;
while (*wcs != L'\0')
if (wcschr (reject, *wcs++) == NULL)
++count;
else
return count;
return count;
}
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