50 lines
1.3 KiB
C
Executable File
50 lines
1.3 KiB
C
Executable File
/*
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memset.c - dumb and inefficient replacement for memset(3).
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Copyright (C) 1995 Michael Riepe <riepe@ifwsn4.ifw.uni-hannover.de>
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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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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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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
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#include <sys/types.h>
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#if STDC_HEADERS
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# include <stdlib.h>
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# include <string.h>
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#else
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extern void bcopy();
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extern void *memcpy();
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#endif
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#if !HAVE_MEMCPY
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# define memcpy(d,s,n) bcopy(s,d,n)
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#endif
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void*
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__memset(void *s, int c, size_t n) {
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if (n > 64) {
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__memset((char*)s + n / 2, c, n - n / 2);
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memcpy(s, (char*)s + n / 2, n / 2);
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}
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else {
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while (n > 0) {
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((char*)s)[--n] = c;
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}
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}
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}
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