[deliverable/binutils-gdb.git] / mmalloc / mvalloc.c

/* 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., 675 Mass Ave,
Cambridge, MA 02139, USA.  */

#include "mmalloc.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 pagesize;

PTR
mvalloc (md, size)
  PTR md;
  size_t size;
{
  if (pagesize == 0)
    {
      pagesize = getpagesize ();
    }

  return (mmemalign (md, pagesize, size));
}
Commit	Line	Data
63abb1e7 FF	1	/* Allocate memory on a page boundary.
	2	Copyright (C) 1991 Free Software Foundation, Inc.
	3
	4	The GNU C Library is free software; you can redistribute it and/or
	5	modify it under the terms of the GNU Library General Public License as
	6	published by the Free Software Foundation; either version 2 of the
	7	License, or (at your option) any later version.
	8
	9	The GNU C Library is distributed in the hope that it will be useful,
	10	but WITHOUT ANY WARRANTY; without even the implied warranty of
	11	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	12	Library General Public License for more details.
	13
	14	You should have received a copy of the GNU Library General Public
	15	License along with the GNU C Library; see the file COPYING.LIB. If
	16	not, write to the Free Software Foundation, Inc., 675 Mass Ave,
	17	Cambridge, MA 02139, USA. */
	18
	19	#include "mmalloc.h"
	20
	21	/* Cache the pagesize for the current host machine. Note that if the host
	22	does not readily provide a getpagesize() function, we need to emulate it
	23	elsewhere, not clutter up this file with lots of kluges to try to figure
	24	it out. */
	25
	26	static size_t pagesize;
	27
	28	PTR
	29	mvalloc (md, size)
	30	PTR md;
	31	size_t size;
	32	{
	33	if (pagesize == 0)
	34	{
	35	pagesize = getpagesize ();
	36	}
	37
	38	return (mmemalign (md, pagesize, size));
	39	}