| /* block/init_source.c |
| * |
| * Copyright (C) 1996, 1997, 1998, 1999, 2000 Gerard Jungman, Brian Gough |
| * |
| * This program 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. |
| * |
| * This program 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 this program; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
| */ |
| |
| TYPE (gsl_block) * |
| FUNCTION (gsl_block, alloc) (const size_t n) |
| { |
| TYPE (gsl_block) * b; |
| |
| if (n == 0) |
| { |
| GSL_ERROR_VAL ("block length n must be positive integer", |
| GSL_EINVAL, 0); |
| } |
| |
| b = (TYPE (gsl_block) *) malloc (sizeof (TYPE (gsl_block))); |
| |
| if (b == 0) |
| { |
| GSL_ERROR_VAL ("failed to allocate space for block struct", |
| GSL_ENOMEM, 0); |
| } |
| |
| b->data = (ATOMIC *) malloc (MULTIPLICITY * n * sizeof (ATOMIC)); |
| |
| if (b->data == 0) |
| { |
| free (b); /* exception in constructor, avoid memory leak */ |
| |
| GSL_ERROR_VAL ("failed to allocate space for block data", |
| GSL_ENOMEM, 0); |
| } |
| |
| b->size = n; |
| |
| return b; |
| } |
| |
| TYPE (gsl_block) * |
| FUNCTION (gsl_block, calloc) (const size_t n) |
| { |
| size_t i; |
| |
| TYPE (gsl_block) * b = FUNCTION (gsl_block, alloc) (n); |
| |
| if (b == 0) |
| return 0; |
| |
| /* initialize block to zero */ |
| |
| for (i = 0; i < MULTIPLICITY * n; i++) |
| { |
| b->data[i] = 0; |
| } |
| |
| return b; |
| } |
| |
| void |
| FUNCTION (gsl_block, free) (TYPE (gsl_block) * b) |
| { |
| free (b->data); |
| free (b); |
| } |