author | Maciej Jablonski <maciej.jablonski@sosco.com> |
Wed, 12 May 2010 23:13:16 +0100 | |
changeset 71 | d00bf4f57250 |
parent 34 | 92d87f2e53c2 |
permissions | -rwxr-xr-x |
34
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/* |
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* memset.c - replacement for memset(3), using duff's device. |
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* Copyright (C) 1995 - 2004 Michael Riepe |
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* |
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* This 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 |
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* License as published by the Free Software Foundation; either |
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* version 2 of the License, or (at your option) any later version. |
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* |
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* This 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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* |
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* You should have received a copy of the GNU Library General Public |
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* License along with this library; if not, write to the Free Software |
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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*/ |
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|
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#if HAVE_CONFIG_H |
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# include <config.h> |
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#endif /* HAVE_CONFIG_H */ |
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|
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#ifndef lint |
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static const char rcsid[] = "@(#) $Id: memset.c,v 1.10 2005/05/21 15:39:24 michael Exp $"; |
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#endif /* lint */ |
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|
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#include <stddef.h> /* for size_t */ |
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#include <sys/types.h> |
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|
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void* |
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_elf_memset(void *s, int c, size_t n) { |
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char *t = (char*)s; |
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|
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if (n) { |
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switch (n % 8u) { |
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do { |
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n -= 8; |
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default: |
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case 0: *t++ = (char)c; |
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case 7: *t++ = (char)c; |
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case 6: *t++ = (char)c; |
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case 5: *t++ = (char)c; |
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case 4: *t++ = (char)c; |
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case 3: *t++ = (char)c; |
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case 2: *t++ = (char)c; |
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case 1: *t++ = (char)c; |
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} |
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while (n > 8); |
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} |
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} |
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return s; |
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} |