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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);
}
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