From f9036ce6dcd4958e5cc9d16629c16e2d0e1a9043 Mon Sep 17 00:00:00 2001
From: Yaroslav Tykhiy <ytykhiy@gmail.com>
Date: Wed, 16 Feb 2005 11:35:51 +0000
Subject: [PATCH] Add some consistency checks to the signal-related code.

MFC:	along with rev. 1.202
---
 libexec/ftpd/ftpd.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/libexec/ftpd/ftpd.c b/libexec/ftpd/ftpd.c
index 5d8229dffc89..1334757e7b5b 100644
--- a/libexec/ftpd/ftpd.c
+++ b/libexec/ftpd/ftpd.c
@@ -2765,10 +2765,16 @@ flagxfer(int flag)
 {
 
 	if (flag) {
+		if (transflag)
+			syslog(LOG_ERR, "Internal: flagxfer(1): "
+					"transfer already under way");
 		transflag = 1;
 		maskurg(0);
 		recvurg = 0;
 	} else {
+		if (!transflag)
+			syslog(LOG_ERR, "Internal: flagxfer(0): "
+					"no active transfer");
 		maskurg(1);
 		transflag = 0;
 	}