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- # Copyright (C) 1993, 1994, 1995 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, 675 Mass Ave, Cambridge, MA 02139, USA.
-
- function status = strcmp (s1, s2)
-
- # usage: strcmp (s1, s2)
- #
- # Compare two strings.
- #
- # WARNING: Unlike the C function of the same name, this function
- # returns 1 for equal and zero for not equal. Why? To be compatible
- # with Matlab, of course.
-
- if (nargin != 2)
- usage ("strcmp (s, t)");
- endif
-
- status = 0;
- if (isstr (s1) && isstr(s2))
- len_s1 = columns (s1);
- len_s2 = columns (s2);
- if (len_s1 == len_s2)
- if (len_s1 == 0)
- status = 1;
- else
- tmp = implicit_str_to_num_ok;
- unwind_protect
- implicit_str_to_num_ok = "true";
- status = all (s1 == s2);
- unwind_protect_cleanup
- implicit_str_to_num_ok = tmp;
- end_unwind_protect
- endif
- endif
- endif
-
- endfunction
-