From 48ca38c6068bd15a94b1ecf2977d3f0160bbe63b Mon Sep 17 00:00:00 2001
From: Stefano Brivio <sbrivio@redhat.com>
Date: Thu, 18 Mar 2021 07:49:08 +0100
Subject: passt: Run in background, add message logging with severities

Signed-off-by: Stefano Brivio <sbrivio@redhat.com>
---
 util.c | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

(limited to 'util.c')

diff --git a/util.c b/util.c
index 44357b7..7a75e02 100644
--- a/util.c
+++ b/util.c
@@ -21,9 +21,27 @@
 #include <netinet/tcp.h>
 #include <netinet/udp.h>
 #include <sys/epoll.h>
+#include <syslog.h>
+#include <stdarg.h>
 
 #include "passt.h"
 
+#define logfn(name, level)						\
+void name(const char *format, ...) {					\
+	va_list args;							\
+									\
+	va_start(args, format);						\
+	vsyslog(level, format, args);					\
+	va_end(args);							\
+}
+
+logfn(err,   LOG_ERR)
+logfn(warn,  LOG_WARNING)
+logfn(info,  LOG_INFO)
+#ifdef DEBUG
+logfn(debug, LOG_DEBUG)
+#endif
+
 /**
  * csum_fold() - Fold long sum for IP and TCP checksum
  * @sum:	Original long sum
-- 
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