diff src/oct-strstrm.cc @ 2081:e9ec222a53e1

[project @ 1996-04-25 03:17:36 by jwe] Initial revision
author jwe
date Thu, 25 Apr 1996 03:17:36 +0000
parents
children 8125b6f9c134
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/oct-strstrm.cc	Thu Apr 25 03:17:36 1996 +0000
@@ -0,0 +1,81 @@
+/*
+
+Copyright (C) 1996 John W. Eaton
+
+This file is part of Octave.
+
+Octave 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.
+
+Octave 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 Octave; see the file COPYING.  If not, write to the Free
+Software Foundation, 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+
+*/
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include "oct-strstrm.h"
+
+// Position a stream at OFFSET relative to ORIGIN.
+
+int
+octave_base_strstream::seek (streampos offset, ios::seek_dir origin)
+{
+  int retval = -1;
+
+  if (! bad ())
+    {
+      streambuf *sb = rdbuf ();
+
+      if (sb)
+	{
+	  clear ();
+
+	  sb->seekoff (offset, origin);
+	  retval = bad () ? -1 : 0;
+	}
+    }
+
+  return retval;
+}
+
+// Return current stream position.
+
+long
+octave_base_strstream::tell (void) const
+{
+  long retval = -1;
+
+  if (! bad ())
+    {
+      // XXX FIXME XXX -- shouldn't have to do this!
+
+      streambuf *sb = ((octave_base_strstream *)this)->rdbuf ();
+
+      if (sb)
+	{
+	  retval = (long) sb->seekoff (0, ios::cur);
+
+	  if (bad ())
+	    retval = -1;
+	}
+    }
+
+  return retval;
+}
+
+/*
+;;; Local Variables: ***
+;;; mode: C++ ***
+;;; End: ***
+*/