74 lines
2.1 KiB
C
74 lines
2.1 KiB
C
/* Memory management routines.
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Copyright 2002, 2005, 2006, 2007 Free Software Foundation, Inc.
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Contributed by Paul Brook <paul@nowt.org>
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This file is part of the GNU Fortran 95 runtime library (libgfortran).
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Libgfortran is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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In addition to the permissions in the GNU General Public License, the
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Free Software Foundation gives you unlimited permission to link the
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compiled version of this file into combinations with other programs,
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and to distribute those combinations without any restriction coming
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from the use of this file. (The General Public License restrictions
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do apply in other respects; for example, they cover modification of
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the file, and distribution when not linked into a combine
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executable.)
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Libgfortran is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public
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License along with libgfortran; see the file COPYING. If not,
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write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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Boston, MA 02110-1301, USA. */
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#include "libgfortran.h"
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#include <stdlib.h>
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/* If GFC_CLEAR_MEMORY is defined, the memory allocation routines will
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return memory that is guaranteed to be set to zero. This can have
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a severe efficiency penalty, so it should never be set if good
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performance is desired, but it can help when you're debugging code. */
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/* #define GFC_CLEAR_MEMORY */
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void *
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get_mem (size_t n)
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{
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void *p;
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#ifdef GFC_CLEAR_MEMORY
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p = (void *) calloc (1, n);
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#else
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p = (void *) malloc (n);
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#endif
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if (p == NULL)
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os_error ("Memory allocation failed");
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return p;
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}
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void
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free_mem (void *p)
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{
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free (p);
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}
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/* Allocate memory for internal (compiler generated) use. */
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void *
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internal_malloc_size (size_t size)
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{
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if (size == 0)
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return NULL;
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return get_mem (size);
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}
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