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45 lines
1.3 KiB
C
45 lines
1.3 KiB
C
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/* Allocate memory on a page boundary.
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Copyright (C) 1991, 1992, 1993 Free Software Foundation, Inc.
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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 License as
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published by the Free Software Foundation; either version 2 of the
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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; see the file COPYING.LIB. If
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not, write to the Free Software Foundation, Inc., 675 Mass Ave,
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Cambridge, MA 02139, USA.
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The author may be reached (Email) at the address mike@ai.mit.edu,
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or (US mail) as Mike Haertel c/o Free Software Foundation. */
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#ifndef _MALLOC_INTERNAL
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#define _MALLOC_INTERNAL
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#include <malloc.h>
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#endif
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#ifdef __GNU_LIBRARY__
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extern size_t __getpagesize __P ((void));
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#else
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#include "getpagesize.h"
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#define __getpagesize() getpagesize()
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#endif
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static size_t pagesize;
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__ptr_t
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valloc (size)
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size_t size;
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{
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if (pagesize == 0)
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pagesize = __getpagesize ();
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return memalign (pagesize, size);
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}
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