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88 lines
3.0 KiB
C
88 lines
3.0 KiB
C
/*
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* This file is part of the libmmpp project.
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* Copyright 2019 Edward V. Emelianov <edward.emelianoff@gmail.com>.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program 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
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "wheelscmdlnopts.h"
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#include <assert.h>
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#include <libmmpp.h>
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#include <stdio.h>
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#include <string.h>
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#include <strings.h>
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/*
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* here are global parameters initialisation
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*/
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static int help;
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static glob_pars G;
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int quiet = 0; // less messages @ stdout
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// DEFAULTS
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// default global parameters
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glob_pars const Gdefault = {
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.pidfile = "/tmp/MMPP_wheels.pid"
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};
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/*
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* Define command line options by filling structure:
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* name has_arg flag val type argptr help
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*/
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static myoption cmdlnopts[] = {
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{"help", NO_ARGS, NULL, 'h', arg_none, APTR(&help), N_("show this help")},
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{"quiet", NO_ARGS, NULL, 'q', arg_none, APTR(&quiet), N_("don't show anything @screen from stdout")},
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{"pidfile", NEED_ARG, NULL, 'p', arg_string, APTR(&G.pidfile), N_("PID-file name")},
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{"status", NO_ARGS, NULL, 's', arg_none, APTR(&G.getstatus), N_("get device status")},
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{"goto", MULT_PAR, NULL, 'g', arg_int, APTR(&G.gotopos), N_("go to given position")},
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{"wheel-id",MULT_PAR, NULL, 'I', arg_string, APTR(&G.wh_ids), N_("name wheel by ID")},
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{"home", NO_ARGS, NULL, 'H', arg_none, APTR(&G.gohome), N_("rotate all wheels to home position")},
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end_option
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};
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/**
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* Parse command line options and return dynamically allocated structure
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* to global parameters
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* @param argc - copy of argc from main
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* @param argv - copy of argv from main
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* @return allocated structure with global parameters
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*/
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glob_pars *parse_args(int argc, char **argv){
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void *ptr;
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ptr = memcpy(&G, &Gdefault, sizeof(G)); assert(ptr);
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parseargs(&argc, &argv, cmdlnopts);
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if(help) showhelp(-1, cmdlnopts);
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if(argc > 0){
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WARNX("%d unused parameters:\n", argc);
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for(int i = 0; i < argc; ++i)
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printf("\t%4d: %s\n", i+1, argv[i]);
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}
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return &G;
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}
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/**
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* @brief MSG show coloured message if `quiet` not set
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* !! This function adds trailing '\n' to message
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* @param s1 - green part of message (may be null)
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* @param s2 - normal colored part of messate (may be null)
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*/
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void MSG(const char *s1, const char *s2){
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if(quiet) return;
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if(s1){
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green("%s%s", s1, s2 ? ": " : "\n");
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}
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if(s2) printf("%s\n", s2);
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}
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