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- /* err/stream.c
- *
- * Copyright (C) 1996, 1997, 1998, 1999, 2000, 2007 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 3 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 "gsl__config.h"
- #include <stddef.h>
- #include <stdlib.h>
- #include <stdio.h>
- #include "gsl_errno.h"
- #include "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;
- }
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