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/* Memory management routines.

   Copyright 2002, 2005, 2006, 2007, 2009, 2010 Free Software Foundation, Inc.

   Contributed by Paul Brook <paul@nowt.org>

This file is part of the GNU Fortran runtime library (libgfortran).

Libgfortran is free software; you can redistribute it and/or

modify it under the terms of the GNU General Public

License as published by the Free Software Foundation; either

version 3 of the License, or (at your option) any later version.

Libgfortran 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 General Public License for more details.

Under Section 7 of GPL version 3, you are granted additional

permissions described in the GCC Runtime Library Exception, version

3.1, as published by the Free Software Foundation.

You should have received a copy of the GNU General Public License and

a copy of the GCC Runtime Library Exception along with this program;

see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see

<http://www.gnu.org/licenses/>.  */

#include "libgfortran.h"

#include <stdlib.h>

/* If GFC_CLEAR_MEMORY is defined, the memory allocation routines will

   return memory that is guaranteed to be set to zero.  This can have

   a severe efficiency penalty, so it should never be set if good

   performance is desired, but it can help when you're debugging code.  */

/* #define GFC_CLEAR_MEMORY */

void *

get_mem (size_t n)

{

  void *p;

#ifdef GFC_CLEAR_MEMORY

  p = (void *) calloc (1, n);

#else

  p = (void *) malloc (n);

#endif

  if (p == NULL)

    os_error ("Memory allocation failed");

  return p;

}

/* Allocate memory for internal (compiler generated) use.  */

void *

internal_malloc_size (size_t size)

{

  if (unlikely (size == 0))

    size = 1;

  return get_mem (size);

}