Mercurial > octave
diff src/oct-strstrm.cc @ 2081:e9ec222a53e1
[project @ 1996-04-25 03:17:36 by jwe]
Initial revision
author | jwe |
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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: *** +*/