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85 lines
2.9 KiB
C
85 lines
2.9 KiB
C
/*
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* This file is part of the SEWmanage project.
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* Copyright 2022 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 <assert.h>
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#include <stdarg.h>
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#include <stdio.h>
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#include "cmdlnopts.h"
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#include "usefull_macros.h"
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// default PID filename:
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#define DEFAULT_SOCKPATH "\0canbus"
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static int help;
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static glob_pars G = {
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.path = DEFAULT_SOCKPATH,
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.setspeed = INT_MAX,
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};
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glob_pars *GP = &G;
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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_int, APTR(&help), _("show this help")},
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{"logfile", NEED_ARG, NULL, 'l', arg_string, APTR(&G.logfile), _("file to save logs (default: none)")},
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{"sockpath",NEED_ARG, NULL, 'f', arg_string, APTR(&G.path), _("socket path (start from \\0 for no files)")},
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{"verbose", NO_ARGS, NULL, 'v', arg_none, APTR(&G.verbose), _("increase log verbose level (default: LOG_WARN) and messages (default: none)")},
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{"setspeed",NEED_ARG, NULL, 's', arg_int, APTR(&G.setspeed), _("set motor speed")},
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{"stop", NO_ARGS, NULL, '0', arg_int, APTR(&G.stop), _("stop motor")},
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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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void parse_args(int argc, char **argv){
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int i;
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size_t hlen = 1024;
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char helpstring[1024], *hptr = helpstring;
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snprintf(hptr, hlen, "Usage: %%s [args]\n\n\tWhere args are:\n");
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// format of help: "Usage: progname [args]\n"
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change_helpstring(helpstring);
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// parse arguments
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parseargs(&argc, &argv, cmdlnopts);
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for(i = 0; i < argc; i++)
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printf("Ignore parameter\t%s\n", argv[i]);
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if(help) showhelp(-1, cmdlnopts);
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}
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/**
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* @brief verbose - print additional messages depending of G.verbose (add '\n' at end)
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* @param levl - message level
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* @param fmt - message
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*/
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void verbose(int levl, const char *fmt, ...){
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va_list ar;
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if(levl > G.verbose) return;
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//printf("%s: ", __progname);
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va_start(ar, fmt);
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vprintf(fmt, ar);
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va_end(ar);
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printf("\n");
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}
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