| /* Memory management routines. |
| Copyright 2002, 2005, 2006, 2007 Free Software Foundation, Inc. |
| Contributed by Paul Brook <paul@nowt.org> |
| |
| 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 2 of the License, or (at your option) any later version. |
| |
| In addition to the permissions in the GNU General Public License, the |
| Free Software Foundation gives you unlimited permission to link the |
| compiled version of this file into combinations with other programs, |
| and to distribute those combinations without any restriction coming |
| from the use of this file. (The General Public License restrictions |
| do apply in other respects; for example, they cover modification of |
| the file, and distribution when not linked into a combine |
| executable.) |
| |
| 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. |
| |
| You should have received a copy of the GNU General Public |
| License along with libgfortran; see the file COPYING. If not, |
| write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
| Boston, MA 02110-1301, USA. */ |
| |
| #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; |
| } |
| |
| |
| void |
| 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); |
| } |