tools/elf4rom/libs/libelf-0.8.10/lib/memset.c
author Martin Trojer <martin.trojer@nokia.com>
Fri, 15 Jan 2010 09:07:44 +0000
changeset 34 92d87f2e53c2
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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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#if HAVE_CONFIG_H
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# include <config.h>
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#endif /* HAVE_CONFIG_H */
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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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#include <stddef.h>	/* for size_t */
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#include <sys/types.h>
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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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    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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}