/*
* Empire - A multi-player, client/server Internet based war game.
- * Copyright (C) 1986-2006, Dave Pare, Jeff Bailey, Thomas Ruschak,
+ * Copyright (C) 1986-2009, Dave Pare, Jeff Bailey, Thomas Ruschak,
* Ken Stevens, Steve McClure
*
* This program is free software; you can redistribute it and/or modify
* ---
*
* anno.c: Delete announcements older than ANNO_KEEP_DAYS
- *
+ *
* Known contributors to this file:
* Ken Stevens, 1995
* Doug Hay, 1998
#include <config.h>
+#if defined(_WIN32) && defined(__GNUC__)
+#include <io.h>
+#endif
#include <stdio.h>
#include <time.h>
#include "tel.h"
static int copy_and_expire(FILE *annfp, FILE *tmpfp,
char *tmp_filename, time_t expiry_time);
+static int copy_sink(char *, size_t, void *);
void
delete_old_announcements(void)
if (rename(tmp_filename, annfil) != 0)
logerror("can't move temporary telegram file %s "
"to telegram file %s", tmp_filename, annfil);
+ } else {
+ if (remove(tmp_filename) < 0)
+ logerror("can't delete telegram file %s", tmp_filename);
}
}
time_t expiry_time)
{
struct telstr tgm;
- int writeit;
- char message[MAXTELSIZE]; /* UTF-8 */
+ int res, writeit;
int deleted = 0;
int saved = 0;
int first = 1;
- while (fread(&tgm, sizeof(tgm), 1, annfp) == 1) {
- writeit = 1;
- if (tgm.tel_length < 0 || tgm.tel_length > MAXTELSIZE) {
- logerror("bad telegram file header (length=%ld)",
- tgm.tel_length);
- return 0;
- }
- if (tgm.tel_type < 0 || tgm.tel_type > TEL_LAST) {
- logerror("bad telegram file header (type=%d)",
- tgm.tel_type);
- return 0;
- }
-
+ while ((res = tel_read_header(annfp, annfil, &tgm)) > 0) {
+ writeit = tgm.tel_date >= expiry_time;
if (first) {
first = 0;
- if (tgm.tel_date >= expiry_time)
+ if (writeit)
return 0;
}
- if (tgm.tel_date < expiry_time)
- writeit = 0;
-
if (writeit) {
if (fwrite(&tgm, sizeof(tgm), 1, tmpfp) != 1) {
logerror("error writing header to temporary "
++saved;
} else
++deleted;
- if (fread(message, 1, tgm.tel_length, annfp) !=
- (size_t)tgm.tel_length) {
- logerror("error reading body from telegram file %s",
- annfil);
+ res = tel_read_body(annfp, annfil, &tgm,
+ writeit ? copy_sink : NULL, tmpfp);
+ if (res < 0)
return 0;
- }
- if (writeit) {
- if (fwrite(message, 1, tgm.tel_length, tmpfp) !=
- (size_t)tgm.tel_length) {
- logerror("error writing body to temporary telegram "
- "file %s", tmp_filename);
- return 0;
- }
- }
}
+
+ if (res < 0)
+ return 0;
logerror("%d announcements deleted; %d announcements saved",
deleted, saved);
return 1;
}
+
+static int
+copy_sink(char *chunk, size_t sz, void *fp)
+{
+ if (fwrite(chunk, 1, sz, fp) != sz) {
+ logerror("error writing to %s.tmp", annfil);
+ return -1;
+ }
+ return 0;
+}