From d27cc759ccd977816f1f32a89dd6d27cc6772b22 Mon Sep 17 00:00:00 2001
From: Sami Kerola <kerolasa@iki.fi>
Date: Sun, 21 Aug 2016 18:32:16 +0100
Subject: [PATCH] cleanup: move max port number to be a define in net.h

---
 mtr.c | 4 ++--
 net.h | 1 +
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/mtr.c b/mtr.c
index 83b57bc..fd254ba 100644
--- a/mtr.c
+++ b/mtr.c
@@ -597,13 +597,13 @@ void parse_arg (int argc, char **argv)
       break;
     case 'P':
       remoteport = strtoint_or_err(optarg, "invalid argument");
-      if (remoteport > 65535 || remoteport < 1) {
+      if (remoteport < 1 || MaxPort < remoteport) {
         error(EXIT_FAILURE, 0, "Illegal port number: %d", remoteport);
       }
       break;
     case 'L':
       localport = strtoint_or_err(optarg, "invalid argument");
-      if (localport > 65535 || localport < MinPort) {
+      if (localport < MinPort || MaxPort < localport) {
         error(EXIT_FAILURE, 0, "Illegal port number: %d", localport);
       }
       break;
diff --git a/net.h b/net.h
index 0350a4a..e8daa9d 100644
--- a/net.h
+++ b/net.h
@@ -86,6 +86,7 @@ void net_process_fds(fd_set *writefd);
 #define MinSequence 33000
 #define MaxSequence 65536
 #define MinPort 1024
+#define MaxPort 65535
 
 #define MAXPACKET 4470		/* largest test packet size */
 #define MINPACKET 28		/* 20 bytes IP header and 8 bytes ICMP or UDP */
-- 
2.47.3