From: Sami Kerola <kerolasa@iki.fi>
Date: Sun, 4 Sep 2016 16:20:55 +0000 (+0100)
Subject: cleanup: set variable only if it is used
X-Git-Tag: v0.88~26^2~4
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=bcd58e1b0b46f1c247041795c9f045e8ca46b9c8;p=thirdparty%2Fmtr.git

cleanup: set variable only if it is used

Variable introduction needs to be same way preprocessor conditional as the
related code.  This is a minor clean up, because modern compilers should
remove these types of variables automatically.
---

diff --git a/net.c b/net.c
index 1cd97a3..047d953 100644
--- a/net.c
+++ b/net.c
@@ -1341,7 +1341,9 @@ static void set_fd_flags(int fd)
 
 extern int net_preopen(void) 
 {
+#ifdef IP_HDRINCL
   int trueopt = 1;
+#endif
 
 #if !defined(IP_HDRINCL) && defined(IP_TOS) && defined(IP_TTL)
   sendsock4_icmp = socket(AF_INET, SOCK_RAW, IPPROTO_ICMP);