46 lines
1.4 KiB
C
46 lines
1.4 KiB
C
/* Copyright (C) 1998, 1999 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Ulrich Drepper <drepper@cygnus.com>, 1998.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If not,
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write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#include <wchar.h>
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/* Copy SRC to DEST. */
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size_t
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__wcsnlen (s, maxlen)
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const wchar_t *s;
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size_t maxlen;
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{
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size_t len = 0;
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while (s[len] != L'\0' && maxlen > 0)
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{
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if (s[++len] == L'\0' || --maxlen == 0)
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return len;
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if (s[++len] == L'\0' || --maxlen == 0)
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return len;
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if (s[++len] == L'\0' || --maxlen == 0)
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return len;
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++len;
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--maxlen;
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}
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return len;
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}
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weak_alias (__wcsnlen, wcsnlen)
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