--- /dev/null
+/*
+ * IRC - Internet Relay Chat, ircd/opercmds.c (formerly ircd/s_serv.c)
+ * Copyright (C) 1990 Jarkko Oikarinen and
+ * University of Oulu, Computing Center
+ *
+ * See file AUTHORS in IRC package for additional names of
+ * the programmers.
+ *
+ * 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 1, 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., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+/** @file
+ * @brief Implementation of AsLL ping helper commands.
+ * @version $Id$
+ */
+#include "config.h"
+
+#include "opercmds.h"
+#include "class.h"
+#include "client.h"
+#include "ircd.h"
+#include "ircd_chattr.h"
+#include "ircd_reply.h"
+#include "ircd_string.h"
+#include "listener.h"
+#include "match.h"
+#include "msg.h"
+#include "numeric.h"
+#include "numnicks.h"
+#include "s_conf.h"
+#include "send.h"
+#include "struct.h"
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/time.h>
+
+/** Calculate current time or elapsed time.
+ *
+ * If neither \a sec nor \a usec are NULL, calculate milliseconds
+ * elapsed since that time, and return a string containing that
+ * number.
+ *
+ * If either \a sec or \a usec are NULL, format a timestamp containing
+ * Unix timestamp and microseconds since that second (separated by
+ * spaces), and return a string containing that timestamp.
+ *
+ * @todo This should be made into two functions.
+ * @param[in] sec Either NULL or a Unix timestamp in seconds.
+ * @param[in] usec Either NULL or an offset to \a sec in microseconds.
+ * @return A static buffer with contents as described above.
+ */
+char *militime(char* sec, char* usec)
+{
+ struct timeval tv;
+ static char timebuf[18];
+
+ gettimeofday(&tv, NULL);
+ if (sec && usec)
+ sprintf(timebuf, "%ld",
+ (tv.tv_sec - atoi(sec)) * 1000 + (tv.tv_usec - atoi(usec)) / 1000);
+ else
+ sprintf(timebuf, "%ld %ld", tv.tv_sec, tv.tv_usec);
+ return timebuf;
+}
+
+/** Calculate current time or elapsed time.
+ *
+ * If \a start is NULL, create a timestamp containing Unix timestamp
+ * and microseconds since that second (separated by a period), and
+ * return a string containing that timestamp.
+ *
+ * Otherwise, if \a start does not contain a period, return a string
+ * equal to "0".
+ *
+ * Otherwise, calculate milliseconds elapsed since the Unix time
+ * described in \a start (in the format described above), and return a
+ * string containing that number.
+ *
+ * @todo This should be made into two functions.
+ * @param[in] start Either NULL or a Unix timestamp in
+ * pseudo-floating-point format.
+ * @return A static buffer with contents as described above.
+ */
+char *militime_float(char* start)
+{
+ struct timeval tv;
+ static char timebuf[18];
+ char *p;
+
+ gettimeofday(&tv, NULL);
+ if (start)
+ {
+ if ((p = strchr(start, '.')))
+ {
+ p++;
+ sprintf(timebuf, "%ld",
+ (tv.tv_sec - atoi(start)) * 1000 + (tv.tv_usec - atoi(p)) / 1000);
+ }
+ else
+ strcpy(timebuf, "0");
+ }
+ else
+ sprintf(timebuf, "%ld.%ld", tv.tv_sec, tv.tv_usec);
+ return timebuf;
+}