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/* Memory management routines.
Copyright 2002, 2005, 2006, 2007, 2009 Free Software Foundation, Inc.
Contributed by Paul Brook <>
This file is part of the GNU Fortran 95 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
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
<>. */
#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;
p = (void *) calloc (1, n);
p = (void *) malloc (n);
if (p == NULL)
os_error ("Memory allocation failed");
return p;
free_mem (void *p)
free (p);
/* Allocate memory for internal (compiler generated) use. */
void *
internal_malloc_size (size_t size)
if (size == 0)
return NULL;
return get_mem (size);