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/*
* Copyright (C) 2010 Michael Buesch <m@bues.ch>
*
* This program 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 2
* of the License, or (at your option) any later version.
*
* This program 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.
*/
#include "args.h"
#include <stdlib.h>
#include <stdio.h>
#include <getopt.h>
struct cmdline_args cmdargs;
static void usage(FILE *fd, int argc, char **argv)
{
fprintf(fd, "Usage: %s [OPTIONS]\n", argv[0]);
fprintf(fd, "\n");
fprintf(fd, " -B|--background Fork into background\n");
fprintf(fd, " -P|--pidfile PATH Create a PID-file\n");
fprintf(fd, " -l|--loglevel LEVEL Set logging level\n");
fprintf(fd, " 0=error, 1=info, 2=debug, 3=verbose\n");
fprintf(fd, " -L|--logfile PATH Write log to file\n");
fprintf(fd, " -f|--force Force mode\n");
fprintf(fd, "\n");
fprintf(fd, " -h|--help Print this help text\n");
}
int parse_commandline(int argc, char **argv)
{
static struct option long_options[] = {
{ "help", no_argument, 0, 'h' },
{ "background", no_argument, 0, 'B' },
{ "pidfile", required_argument, 0, 'P' },
{ "loglevel", required_argument, 0, 'l' },
{ "logfile", required_argument, 0, 'L' },
{ "force", no_argument, 0, 'f' },
};
int c, idx;
while (1) {
c = getopt_long(argc, argv, "hBP:l:L:f",
long_options, &idx);
if (c == -1)
break;
switch (c) {
case 'h':
usage(stdout, argc, argv);
return 1;
case 'B':
cmdargs.background = 1;
break;
case 'P':
cmdargs.pidfile = optarg;
break;
case 'l':
if (sscanf(optarg, "%d", &cmdargs.loglevel) != 1) {
fprintf(stderr, "Failed to parse --loglevel argument.\n");
return -1;
}
break;
case 'L':
cmdargs.logfile = optarg;
break;
case 'f':
cmdargs.force = 1;
break;
default:
return -1;
}
}
return 0;
}
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