From 340fa59b67dfcc850717c7453f75e5126eaeb1e9 Mon Sep 17 00:00:00 2001
From: Benjamin Franzke <benjaminfranzke@googlemail.com>
Date: Fri, 9 Nov 2012 09:46:01 +0100
Subject: pd_server: Some code cleanup

---
 pd_server.c | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/pd_server.c b/pd_server.c
index 80fcb4f..829a6f7 100644
--- a/pd_server.c
+++ b/pd_server.c
@@ -1,6 +1,7 @@
 #include <stdio.h> 
 #include <stdlib.h> 
 #include <string.h>
+#include <assert.h>
 #include <unistd.h>
 #include <errno.h>
 #include <sys/types.h>
@@ -29,12 +30,17 @@ int pay(int a, int b)
 int
 main(int argc, char *argv[])
 {
-	int sock, player[2], read_fd;
+	int sock, player[2];
 	struct sockaddr_in serv_addr;
 	int port = 8068;
-	int rounds, i;
+	int a_payment = 0, b_payment = 0, rounds, i;
 	int optval = 1;
 
+	if (argc < 2) {
+		fprintf(stderr, "usage: %s number-of-rounds\n", argv[0]);
+		exit(EXIT_FAILURE);
+	}
+
 	rounds = atoi(argv[1]);
 
 	sock = socket(AF_INET, SOCK_STREAM, 0);
@@ -56,7 +62,6 @@ main(int argc, char *argv[])
 	for (i = 0; i < 2; ++i) {
 		player[i] = accept(sock, NULL, NULL);
 	}
-	int a_payment = 0, b_payment = 0;
 	for (i = 0; i < rounds; ++i) {
 		char a, b;
 		read(player[0], &a, 1);
-- 
cgit