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41bdb6e20c
2001-07-06 Paul Eggert <eggert@twinsun.com> * manual/argp.texi: Remove ignored LGPL copyright notice; it's not appropriate for documentation anyway. * manual/libc-texinfo.sh: "Library General Public License" -> "Lesser General Public License". 2001-07-06 Andreas Jaeger <aj@suse.de> * All files under GPL/LGPL version 2: Place under LGPL version 2.1.
85 lines
1.9 KiB
C
85 lines
1.9 KiB
C
/* Copyright (C) 1996, 1997 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>, 1996.
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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, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA. */
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#include <wchar.h>
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int
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wmemcmp (s1, s2, n)
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const wchar_t *s1;
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const wchar_t *s2;
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size_t n;
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{
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register wint_t c1;
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register wint_t c2;
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while (n >= 4)
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{
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c1 = (wint_t) s1[0];
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c2 = (wint_t) s2[0];
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if (c1 - c2 != 0)
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return c1 - c2;
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c1 = (wint_t) s1[1];
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c2 = (wint_t) s2[1];
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if (c1 - c2 != 0)
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return c1 - c2;
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c1 = (wint_t) s1[2];
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c2 = (wint_t) s2[2];
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if (c1 - c2 != 0)
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return c1 - c2;
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c1 = (wint_t) s1[3];
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c2 = (wint_t) s2[3];
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if (c1 - c2 != 0)
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return c1 - c2;
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s1 += 4;
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s2 += 4;
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n -= 4;
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}
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if (n > 0)
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{
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c1 = (wint_t) s1[0];
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c2 = (wint_t) s2[0];
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if (c1 - c2 != 0)
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return c1 - c2;
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++s1;
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++s2;
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--n;
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}
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if (n > 0)
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{
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c1 = (wint_t) s1[0];
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c2 = (wint_t) s2[0];
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if (c1 - c2 != 0)
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return c1 - c2;
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++s1;
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++s2;
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--n;
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}
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if (n > 0)
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{
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c1 = (wint_t) s1[0];
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c2 = (wint_t) s2[0];
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if (c1 - c2 != 0)
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return c1 - c2;
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}
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return 0;
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}
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