Merge tree-ssa-20020619-branch into mainline.

From-SVN: r81764

1 files changed, 70 insertions, 0 deletions

diff --git a/libgfortran/io/close.c b/libgfortran/io/close.c
new file mode 100644
index 0000000..9e2a5a3
--- /dev/null
+++ b/libgfortran/io/close.c
@@ -0,0 +1,70 @@
+/* Copyright (C) 2002-2003 Free Software Foundation, Inc.
+   Contributed by Andy Vaught
+
+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, 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.
+
+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, 59 Temple Place - Suite 330,
+Boston, MA 02111-1307, USA.  */
+
+#include "config.h"
+#include "libgfortran.h"
+#include "io.h"
+
+typedef enum
+{ CLOSE_DELETE, CLOSE_KEEP, CLOSE_UNSPECIFIED }
+close_status;
+
+static st_option status_opt[] = {
+  {"keep", CLOSE_KEEP},
+  {"delete", CLOSE_DELETE},
+  {NULL}
+};
+
+
+void
+st_close (void)
+{
+  close_status status;
+  unit_t *u;
+
+  library_start ();
+
+  status = (ioparm.status == NULL) ? CLOSE_UNSPECIFIED :
+    find_option (ioparm.status, ioparm.status_len, status_opt,
+		 "Bad STATUS parameter in CLOSE statement");
+
+  if (ioparm.library_return != LIBRARY_OK)
+    return;
+
+  u = find_unit (ioparm.unit);
+  if (u != NULL)
+    {
+      if (u->flags.status == STATUS_SCRATCH)
+	{
+	  if (status == CLOSE_KEEP)
+	    generate_error (ERROR_BAD_OPTION,
+			    "Can't KEEP a scratch file on CLOSE");
+	}
+      else
+	{
+	  if (status == CLOSE_DELETE)
+	    delete_file (u);
+	}
+
+      close_unit (u);
+    }
+
+  library_end ();
+}