094a225363
The getopt function is defined in the unistd.h header file. This header file is only available on posix compatible systems. For example, on Windows it's not available when building without mingw.
106 lines
2.5 KiB
C
106 lines
2.5 KiB
C
/*
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* libdivecomputer
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*
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* Copyright (C) 2015 Jef Driesen
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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* MA 02110-1301 USA
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <stdlib.h>
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#include <stdio.h>
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#ifdef HAVE_UNISTD_H
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#include <unistd.h>
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#endif
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#ifdef HAVE_GETOPT_H
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#include <getopt.h>
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#endif
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#include <libdivecomputer/context.h>
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#include <libdivecomputer/descriptor.h>
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#include <libdivecomputer/iterator.h>
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#include "dctool.h"
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static int
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dctool_list_run (int argc, char *argv[], dc_context_t *context, dc_descriptor_t *dummy)
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{
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// Default option values.
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unsigned int help = 0;
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// Parse the command-line options.
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int opt = 0;
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const char *optstring = "h";
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#ifdef HAVE_GETOPT_LONG
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struct option options[] = {
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{"help", no_argument, 0, 'h'},
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{0, 0, 0, 0 }
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};
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while ((opt = getopt_long (argc, argv, optstring, options, NULL)) != -1) {
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#else
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while ((opt = getopt (argc, argv, optstring)) != -1) {
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#endif
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switch (opt) {
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case 'h':
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help = 1;
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break;
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default:
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return EXIT_FAILURE;
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}
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}
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argc -= optind;
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argv += optind;
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// Show help message.
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if (help) {
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dctool_command_showhelp (&dctool_list);
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return EXIT_SUCCESS;
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}
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dc_iterator_t *iterator = NULL;
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dc_descriptor_t *descriptor = NULL;
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dc_descriptor_iterator (&iterator);
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while (dc_iterator_next (iterator, &descriptor) == DC_STATUS_SUCCESS) {
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printf ("%s %s\n",
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dc_descriptor_get_vendor (descriptor),
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dc_descriptor_get_product (descriptor));
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dc_descriptor_free (descriptor);
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}
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dc_iterator_free (iterator);
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return EXIT_SUCCESS;
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}
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const dctool_command_t dctool_list = {
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dctool_list_run,
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DCTOOL_CONFIG_NONE,
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"list",
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"List supported devices",
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"Usage:\n"
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" dctool list [options]\n"
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"\n"
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"Options:\n"
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#ifdef HAVE_GETOPT_LONG
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" -h, --help Show help message\n"
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#else
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" -h Show help message\n"
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#endif
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};
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