1 files changed, 67 insertions, 0 deletions
diff --git a/libgfortran/intrinsics/gerror.c b/libgfortran/intrinsics/gerror.c
new file mode 100644
index 00000000000..c106adf22a1
--- /dev/null
+++ b/libgfortran/intrinsics/gerror.c
@@ -0,0 +1,67 @@
+/* Implementation of the GERROR g77 intrinsic.
+   Copyright (C) 2005 Free Software Foundation, Inc.
+   Contributed by François-Xavier Coudert <coudert@clipper.ens.fr>
+
+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., 59 Temple Place - Suite 330,
+Boston, MA 02111-1307, USA.  */
+
+#include "config.h"
+#include "libgfortran.h"
+
+#include <errno.h>
+
+#ifdef HAVE_STRING_H
+#include <string.h>
+#endif
+
+
+/* GERROR (MESSAGE), g77 intrinsic for retrieving the system error
+   message corresponding to the last system error (C errno).
+   CHARACTER(len=*), INTENT(OUT) :: MESSAGE  */
+
+#ifdef HAVE_STRERROR
+void PREFIX(gerror) (char *, gfc_charlen_type);
+export_proto_np(PREFIX(gerror));
+
+void 
+PREFIX(gerror) (char * msg, gfc_charlen_type msg_len)
+{
+  int p_len;
+  char *p;
+
+  memset (msg, ' ', msg_len); /* Blank the string.  */
+
+  p = strerror (errno);
+  if (p == NULL)
+    return;
+
+  p_len = strlen (p);
+  if (msg_len < p_len)
+    memcpy (msg, p, msg_len);
+  else
+    memcpy (msg, p, p_len);
+}
+#endif