From 1ba45ef26597b82aba81ab20f63a1cb2320dd15e Mon Sep 17 00:00:00 2001
From: Christian Hesse <mail@eworm.de>
Date: Wed, 4 Sep 2019 12:14:46 +0200
Subject: move function to condition...

... and purge a variable.
---
 udp514-journal.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/udp514-journal.c b/udp514-journal.c
index 1065b99..9a1db8b 100644
--- a/udp514-journal.c
+++ b/udp514-journal.c
@@ -8,7 +8,7 @@
 #include "udp514-journal.h"
 
 int main(int argc, char **argv) {
-	int sock, num;
+	int sock;
 	socklen_t len;
 	struct sockaddr_in cliAddr, servAddr;
 	char buffer[BUFFER_SIZE];
@@ -42,9 +42,7 @@ int main(int argc, char **argv) {
 
 		memset(buffer, 0, BUFFER_SIZE);
 		len = sizeof(cliAddr);
-		num = recvfrom(sock, buffer, BUFFER_SIZE, 0,
-			(struct sockaddr *) &cliAddr, &len);
-		if (num < 0) {
+		if (recvfrom(sock, buffer, BUFFER_SIZE, 0, (struct sockaddr *) &cliAddr, &len) < 0) {
 			perror("could not receive data");
 			continue;
 		}
-- 
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