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/* Allocate memory on a page boundary.

   Copyright (C) 1991 Free Software Foundation, Inc.

The GNU C Library is free software; you can redistribute it and/or

modify it under the terms of the GNU Library General Public License as

published by the Free Software Foundation; either version 2 of the

License, or (at your option) any later version.

The GNU C Library is distributed in the hope that it will be useful,

but WITHOUT ANY WARRANTY; without even the implied warranty of

MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

Library General Public License for more details.

You should have received a copy of the GNU Library General Public

License along with the GNU C Library; see the file COPYING.LIB.  If

not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,

Boston, MA 02111-1307, USA.  */

#include "mmprivate.h"

/* Cache the pagesize for the current host machine.  Note that if the host

   does not readily provide a getpagesize() function, we need to emulate it

   elsewhere, not clutter up this file with lots of kluges to try to figure

   it out. */

static size_t cache_pagesize;

#if NEED_DECLARATION_GETPAGESIZE

extern int getpagesize PARAMS ((void));

#endif

PTR

mvalloc (md, size)

  PTR md;

  size_t size;

{

  if (cache_pagesize == 0)

    {

      cache_pagesize = getpagesize ();

    }

  return (mmemalign (md, cache_pagesize, size));

}

PTR

valloc (size)

  size_t size;

{

  return mvalloc ((PTR) NULL, size);

}