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New utility program empsched.

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This commit is contained in:
Markus Armbruster 2007-07-13 16:49:13 +00:00
parent 47be4f724c
commit eeb9d3cb04
4 changed files with 159 additions and 2 deletions
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114
src/util/empsched.c Normal file
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/*
* Empire - A multi-player, client/server Internet based war game.
* Copyright (C) 1986-2007, Dave Pare, Jeff Bailey, Thomas Ruschak,
* Ken Stevens, Steve McClure
*
* 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.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* ---
*
* See files README, COPYING and CREDITS in the root of the source
* tree for related information and legal notices. It is expected
* that future projects/authors will amend these files as needed.
*
* ---
*
* empsched.c: Show the update schedule
*
* Known contributors to this file:
* Markus Armbruster, 2007
*/
#include <config.h>
#if defined(_WIN32)
#include "../lib/gen/getopt.h"
#else
#include <unistd.h>
#endif
#include <stdio.h>
#include "optlist.h"
#include "prototypes.h"
#include "version.h"
#define DFLT_N 16
#define MAX_N 1000
static void
print_usage(char *program_name)
{
printf("Usage: %s [OPTION]... [FILE]\n"
"Print the Empire update schedule.\n\n"
" -e CONFIG-FILE configuration file\n"
" (default %s)\n"
" -n NUMBER print at most NUMBER updates (default %d)\n"
" -h display this help and exit\n"
" -v display version information and exit\n\n"
"If FILE is given, print the schedule defined there instead of\n"
"the current schedule.\n",
program_name, dflt_econfig, DFLT_N);
}
int
main(int argc, char *argv[])
{
char *config_file = NULL;
char *in_file;
unsigned long n = DFLT_N;
time_t sched[MAX_N + 1];
int opt, i;
while ((opt = getopt(argc, argv, "e:n:hv")) != EOF) {
switch (opt) {
case 'e':
config_file = optarg;
break;
case 'n':
n = strtoul(optarg, NULL, 10);
if (n > MAX_N) {
fprintf(stderr, "%s: can't print more than %d updates",
argv[0], MAX_N);
exit(1);
}
break;
case 'h':
print_usage(argv[0]);
exit(0);
case 'v':
printf("%s\n\n%s", version, legal);
exit(0);
default:
print_usage(argv[0]);
exit(1);
}
}
if (emp_config(config_file) < 0)
exit(1);
if (!argv[optind])
in_file = schedulefil;
else if (!strcmp(argv[optind], "-"))
in_file = NULL;
else
in_file = argv[optind];
read_schedule(in_file, sched, n + 1, 0, 0/* FIXME */);
for (i = 0; sched[i]; i++)
printf("%s", ctime(&sched[i]));
return 0;
}