set LOG_PERROR for openlog() when running foreground.

Obtained from:	KAME
MFC after:	1 week

1 files changed, 7 insertions, 3 deletions

diff --git a/usr.sbin/rtadvd/rtadvd.c b/usr.sbin/rtadvd/rtadvd.c
index 0af7440fcdb0..497cd0f1254e 100644
--- a/usr.sbin/rtadvd/rtadvd.c
+++ b/usr.sbin/rtadvd/rtadvd.c
@@ -158,12 +158,10 @@ main(argc, argv)
 #endif
 	struct timeval *timeout;
 	int i, ch;
-	int fflag = 0;
+	int fflag = 0, logopt;
 	FILE *pidfp;
 	pid_t pid;
 
-	openlog("rtadvd", LOG_NDELAY|LOG_PID, LOG_DAEMON);
-
 	/* get command line options and arguments */
 	while ((ch = getopt(argc, argv, "c:dDfM:Rs")) != -1) {
 		switch (ch) {
@@ -202,6 +200,11 @@ main(argc, argv)
 		exit(1);
 	}
 
+	logopt = LOG_NDELAY | LOG_PID;
+	if (fflag)
+		logopt |= LOG_PERROR;
+	openlog("rtadvd", logopt, LOG_DAEMON);
+
 	/* set log level */
 	if (dflag == 0)
 		(void)setlogmask(LOG_UPTO(LOG_ERR));
@@ -228,6 +231,7 @@ main(argc, argv)
 		fprintf(stderr, "fatal: inet_pton failed\n");
 		exit(1);
 	}
+
 	if (!fflag)
 		daemon(1, 0);