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04277e02d7
* All files with FSF copyright notices: Update copyright dates using scripts/update-copyrights. * locale/programs/charmap-kw.h: Regenerated. * locale/programs/locfile-kw.h: Likewise.
54 lines
1.4 KiB
C
54 lines
1.4 KiB
C
/* Copyright (C) 1995-2019 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@gnu.ai.mit.edu>, 1995.
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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 Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the 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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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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#include <wchar.h>
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#ifdef WCSCAT
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# define __wcscat WCSCAT
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#endif
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/* Append SRC on the end of DEST. */
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wchar_t *
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__wcscat (wchar_t *dest, const wchar_t *src)
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{
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wchar_t *s1 = dest;
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const wchar_t *s2 = src;
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wchar_t c;
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/* Find the end of the string. */
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do
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c = *s1++;
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while (c != L'\0');
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/* Make S1 point before the next character, so we can increment
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it while memory is read (wins on pipelined cpus). */
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s1 -= 2;
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do
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{
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c = *s2++;
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*++s1 = c;
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}
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while (c != L'\0');
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return dest;
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}
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#ifndef WCSCAT
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weak_alias (__wcscat, wcscat)
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#endif
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