Mercurial > octave
view liboctave/wrappers/getopt-wrapper.c @ 31197:8d4c87e88d0e
maint: Merge stable to default.
author | Markus Mützel <markus.muetzel@gmx.de> |
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date | Tue, 23 Aug 2022 19:45:19 +0200 |
parents | 796f54d4ddbf |
children | 597f3ee61a48 |
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//////////////////////////////////////////////////////////////////////// // // Copyright (C) 2016-2022 The Octave Project Developers // // See the file COPYRIGHT.md in the top-level directory of this // distribution or <https://octave.org/copyright/>. // // 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 // <https://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)); // If we don't have enough memory even to start Octave // then we might as well quit now. if (! retval) abort (); 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; } int octave_get_opterr_wrapper (void) { return opterr; } int octave_set_opterr_wrapper (int val) { int retval = opterr; opterr = val; return retval; }