Mercurial > octave
view liboctave/wrappers/getopt-wrapper.c @ 23084:ef4d915df748
maint: Merge stable to default.
author | John W. Eaton <jwe@octave.org> |
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date | Mon, 23 Jan 2017 14:27:48 -0500 |
parents | 3a2b891d0b33 e9a0469dedd9 |
children | 092078913d54 |
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/* Copyright (C) 2016 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 3 of the License, 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, see <http://www.gnu.org/licenses/>. */ // getopt_long may be provided by gnulib. We don't include gnulib // headers directly in Octave's C++ source files to avoid problems that // may be caused by the way that gnulib overrides standard library // functions. #if defined (HAVE_CONFIG_H) # include "config.h" #endif #include <stdlib.h> #include <getopt.h> #include "getopt-wrapper.h" static struct option * make_option_struct (const struct octave_getopt_options *opts) { const struct octave_getopt_options *p = opts; struct option *retval = 0, *q = 0; int n = 0; while (p->name) { n++; p++; } retval = (struct option *) malloc ((n+1) * sizeof (struct option)); p = opts; q = retval; while (p->name) { q->name = p->name; switch (p->has_arg) { case octave_required_arg: q->has_arg = required_argument; break; case octave_optional_arg: q->has_arg = optional_argument; break; default: q->has_arg = no_argument; break; } q->flag = p->flag; q->val = p->val; q++; p++; } q->name = 0; q->has_arg = 0; q->flag = 0; q->val = 0; return retval; } int octave_getopt_long_wrapper (int argc, char **argv, const char *shortopts, const struct octave_getopt_options *longopts, int *longind) { struct option *lopts = make_option_struct (longopts); int retval = getopt_long (argc, argv, shortopts, lopts, longind); free (lopts); return retval; } char * octave_optarg_wrapper (void) { return optarg; } int octave_optind_wrapper (void) { return optind; }