| /* err/stream.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. |
| */ |
| |
| #include <config.h> |
| #include <stddef.h> |
| #include <stdlib.h> |
| #include <stdio.h> |
| |
| #include <gsl/gsl_errno.h> |
| #include <gsl/gsl_message.h> |
| |
| FILE * gsl_stream = NULL ; |
| gsl_stream_handler_t * gsl_stream_handler = NULL; |
| |
| void |
| gsl_stream_printf (const char *label, const char *file, int line, |
| const char *reason) |
| { |
| if (gsl_stream == NULL) |
| { |
| gsl_stream = stderr; |
| } |
| if (gsl_stream_handler) |
| { |
| (*gsl_stream_handler) (label, file, line, reason); |
| return; |
| } |
| fprintf (gsl_stream, "gsl: %s:%d: %s: %s\n", file, line, label, reason); |
| |
| } |
| |
| gsl_stream_handler_t * |
| gsl_set_stream_handler (gsl_stream_handler_t * new_handler) |
| { |
| gsl_stream_handler_t * previous_handler = gsl_stream_handler; |
| gsl_stream_handler = new_handler; |
| return previous_handler; |
| } |
| |
| FILE * |
| gsl_set_stream (FILE * new_stream) |
| { |
| FILE * previous_stream; |
| if (gsl_stream == NULL) { |
| gsl_stream = stderr; |
| } |
| previous_stream = gsl_stream; |
| gsl_stream = new_stream; |
| return previous_stream; |
| } |