1 files changed, 83 insertions, 0 deletions
diff --git a/libgfortran/intrinsics/getcwd.c b/libgfortran/intrinsics/getcwd.c
new file mode 100644
index 000000000..15e8e8f7b
--- /dev/null
+++ b/libgfortran/intrinsics/getcwd.c
@@ -0,0 +1,83 @@
+/* Implementation of the GETCWD intrinsic.
+   Copyright (C) 2004, 2005, 2007, 2009 Free Software Foundation, Inc.
+   Contributed by Steven G. Kargl <kargls@comcast.net>.
+
+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 3 of the License, or (at your option) any later version.
+
+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.
+
+Under Section 7 of GPL version 3, you are granted additional
+permissions described in the GCC Runtime Library Exception, version
+3.1, as published by the Free Software Foundation.
+
+You should have received a copy of the GNU General Public License and
+a copy of the GCC Runtime Library Exception along with this program;
+see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
+<http://www.gnu.org/licenses/>.  */
+
+#include "libgfortran.h"
+
+#include <string.h>
+#include <errno.h>
+
+#ifdef HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+
+#ifdef HAVE_GETCWD
+
+extern void getcwd_i4_sub (char *, GFC_INTEGER_4 *, gfc_charlen_type);
+iexport_proto(getcwd_i4_sub);
+
+void
+getcwd_i4_sub (char *cwd, GFC_INTEGER_4 *status, gfc_charlen_type cwd_len)
+{
+  char str[cwd_len + 1];
+  GFC_INTEGER_4 stat;
+
+  memset(cwd, ' ', (size_t) cwd_len);
+
+  if (!getcwd (str, (size_t) cwd_len + 1))
+    stat = errno;
+  else
+    {
+      stat = 0;
+      memcpy (cwd, str, strlen (str));
+    }
+  if (status != NULL)
+    *status = stat;
+}
+iexport(getcwd_i4_sub);
+
+extern void getcwd_i8_sub (char *, GFC_INTEGER_8 *, gfc_charlen_type);
+export_proto(getcwd_i8_sub);
+
+void
+getcwd_i8_sub (char *cwd, GFC_INTEGER_8 *status, gfc_charlen_type cwd_len)
+{
+  GFC_INTEGER_4 status4;
+  getcwd_i4_sub (cwd, &status4, cwd_len);
+  if (status)
+    *status = status4;
+}
+
+extern GFC_INTEGER_4 PREFIX(getcwd) (char *, gfc_charlen_type);
+export_proto_np(PREFIX(getcwd));
+
+GFC_INTEGER_4
+PREFIX(getcwd) (char *cwd, gfc_charlen_type cwd_len)
+{
+  GFC_INTEGER_4 status;
+  getcwd_i4_sub (cwd, &status, cwd_len);
+  return status;
+}
+
+#endif