Mercurial > octave
view examples/code/unwinddemo.cc @ 20546:2f8500ca91d3
eliminate error_state from example files
* addtwomatrices.cc, celldemo.cc, embedded.cc, fortrandemo.cc,
funcdemo.cc, globaldemo.cc, helloworld.cc, make_int.cc, paramdemo.cc,
stringdemo.cc, structdemo.cc, unwinddemo.cc:
Eliminate use of global error_state variable.
author | John W. Eaton <jwe@octave.org> |
---|---|
date | Sat, 03 Oct 2015 16:05:27 -0400 |
parents | 95c533ed464b |
children | f4d7d0eb5b0c |
line wrap: on
line source
#include <octave/oct.h> #include <octave/unwind-prot.h> void my_err_handler (const char *fmt, ...) { // Do nothing!! } void my_err_with_id_handler (const char *id, const char *fmt, ...) { // Do nothing!! } DEFUN_DLD (unwinddemo, args, nargout, "Unwind Demo") { if (args.length () < 2) print_usage (); NDArray a = args(0).array_value (); NDArray b = args(1).array_value (); // Declare unwind_protect frame which lasts as long as // the variable frame has scope. unwind_protect frame; frame.add_fcn (set_liboctave_warning_handler, current_liboctave_warning_handler); frame.add_fcn (set_liboctave_warning_with_id_handler, current_liboctave_warning_with_id_handler); set_liboctave_warning_handler (my_err_handler); set_liboctave_warning_with_id_handler (my_err_with_id_handler); return octave_value (quotient (a, b)); }