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diff --git a/usr.sbin/sendmail/src/stats.c b/usr.sbin/sendmail/src/stats.c
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+/*
+ * Copyright (c) 1983 Eric P. Allman
+ * Copyright (c) 1988, 1993
+ * The Regents of the University of California. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ * must display the following acknowledgement:
+ * This product includes software developed by the University of
+ * California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#ifndef lint
+static char sccsid[] = "@(#)stats.c 8.3 (Berkeley) 8/28/93";
+#endif /* not lint */
+
+# include "sendmail.h"
+# include "mailstats.h"
+
+struct statistics Stat;
+
+bool GotStats = FALSE; /* set when we have stats to merge */
+
+#define ONE_K 1000 /* one thousand (twenty-four?) */
+#define KBYTES(x) (((x) + (ONE_K - 1)) / ONE_K)
+ /*
+** MARKSTATS -- mark statistics
+*/
+
+markstats(e, to)
+ register ENVELOPE *e;
+ register ADDRESS *to;
+{
+ if (to == NULL)
+ {
+ if (e->e_from.q_mailer != NULL)
+ {
+ Stat.stat_nf[e->e_from.q_mailer->m_mno]++;
+ Stat.stat_bf[e->e_from.q_mailer->m_mno] +=
+ KBYTES(e->e_msgsize);
+ }
+ }
+ else
+ {
+ Stat.stat_nt[to->q_mailer->m_mno]++;
+ Stat.stat_bt[to->q_mailer->m_mno] += KBYTES(e->e_msgsize);
+ }
+ GotStats = TRUE;
+}
+ /*
+** POSTSTATS -- post statistics in the statistics file
+**
+** Parameters:
+** sfile -- the name of the statistics file.
+**
+** Returns:
+** none.
+**
+** Side Effects:
+** merges the Stat structure with the sfile file.
+*/
+
+poststats(sfile)
+ char *sfile;
+{
+ register int fd;
+ struct statistics stat;
+ extern off_t lseek();
+
+ if (sfile == NULL || !GotStats)
+ return;
+
+ (void) time(&Stat.stat_itime);
+ Stat.stat_size = sizeof Stat;
+
+ fd = open(sfile, O_RDWR);
+ if (fd < 0)
+ {
+ errno = 0;
+ return;
+ }
+ (void) lockfile(fd, sfile, NULL, LOCK_EX);
+ if (read(fd, (char *) &stat, sizeof stat) == sizeof stat &&
+ stat.stat_size == sizeof stat)
+ {
+ /* merge current statistics into statfile */
+ register int i;
+
+ for (i = 0; i < MAXMAILERS; i++)
+ {
+ stat.stat_nf[i] += Stat.stat_nf[i];
+ stat.stat_bf[i] += Stat.stat_bf[i];
+ stat.stat_nt[i] += Stat.stat_nt[i];
+ stat.stat_bt[i] += Stat.stat_bt[i];
+ }
+ }
+ else
+ bcopy((char *) &Stat, (char *) &stat, sizeof stat);
+
+ /* write out results */
+ (void) lseek(fd, (off_t) 0, 0);
+ (void) write(fd, (char *) &stat, sizeof stat);
+ (void) close(fd);
+
+ /* clear the structure to avoid future disappointment */
+ bzero(&Stat, sizeof stat);
+ GotStats = FALSE;
+}