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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);
}