2 * Empire - A multi-player, client/server Internet based war game.
3 * Copyright (C) 1986-2000, Dave Pare, Jeff Bailey, Thomas Ruschak,
4 * Ken Stevens, Steve McClure
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22 * See the "LEGAL", "LICENSE", "CREDITS" and "README" files for all the
23 * related information and legal notices. It is expected that any future
24 * projects/authors will amend these files as needed.
28 * anno.c: Delete announcements older than ANNO_KEEP_DAYS
30 * Known contributors to this file:
48 delete_old_announcements(void)
55 s_char tmp_filename[1024];
57 s_char message[MAXTELSIZE];
65 old = now - days(ANNO_KEEP_DAYS);
66 logerror("Deleting annos older than %s", ctime(&old));
69 if ((oldfp = fopen(annfil, "r+")) == 0) {
71 if ((oldfp = fopen(annfil, "r+b")) == 0) {
73 logerror("can't read telegram file %s", annfil);
76 sprintf(tmp_filename, "%s.tmp", annfil);
79 open(tmp_filename, O_WRONLY | O_CREAT | O_TRUNC, 0666)) < 0) {
82 open(tmp_filename, O_WRONLY | O_CREAT | O_TRUNC | O_BINARY,
85 logerror("can't write telegram file %s", tmp_filename);
88 while (fread((s_char *)&tgm, sizeof(tgm), 1, oldfp) == 1) {
90 if (tgm.tel_length < 0) {
91 logerror("bad telegram file header (length)");
94 if (tgm.tel_type < 0 || tgm.tel_type > TEL_LAST) {
95 logerror("bad telegram file header (type)");
100 if (tgm.tel_date >= old) {
106 if (tgm.tel_date < old) {
111 if (write(tmpfd, &tgm, sizeof(tgm)) < (int)sizeof(tgm)) {
112 logerror("error writing to ann.tmp");
119 length = tgm.tel_length;
122 if (nbytes > (int)sizeof(message))
123 nbytes = sizeof(message);
124 (void)fread(message, sizeof(s_char), nbytes, oldfp);
126 if (write(tmpfd, message, nbytes) < nbytes) {
127 logerror("Error writing to ann.tmp");
134 logerror("%d announcements deleted; %d announcements saved",
139 rename(tmp_filename, annfil);