1 files changed, 66 insertions, 0 deletions
diff --git a/gsl-1.9/err/stream.c b/gsl-1.9/err/stream.c
new file mode 100644
index 0000000..acc7122
--- /dev/null
+++ b/gsl-1.9/err/stream.c
@@ -0,0 +1,66 @@
+/* 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;
+}