updated coding standards

project1/server-udp.c

@@ -10,10 +10,9 @@
 #define SERV_PORT 	11111				/* define our server port number */
 #define MSGLEN 		80  				/* limit incoming message size */
 
-int
-main(int argc, char** argv)
+int main (int argc, char** argv) 
 {
-/* CREATE THE SOCKET */
+    /* CREATE THE SOCKET */
 
     struct sockaddr_in servaddr;        /* our server's address */
     struct sockaddr_in cliaddr;	        /* the client's address */
@@ -23,24 +22,22 @@ main(int argc, char** argv)
     int msgnum = 0;	                    /* the messages we reveive in order */
     char buf[MSGLEN];                   /* the incoming message */
 
-/* create a UDP/IP socket */
 
-	if((sockfd = socket(AF_INET, SOCK_DGRAM, 0)) < 0)
-	{
+    /* create a UDP/IP socket */
+    if ((sockfd = socket(AF_INET, SOCK_DGRAM, 0)) < 0) {
         perror("cannot create socket");
         return 0;
     }
 
-/*	printf("created socket descriptor = %d\n", sockfd);  */
 
-/* INADDR_ANY = IP address and socket =  11111, modify SERV_PORT to change */
+    /* INADDR_ANY = IPaddr, socket =  11111, modify SERV_PORT to change */
     memset((char *)&servaddr, 0, sizeof(servaddr));
 
 
-	servaddr.sin_family 	 = AF_INET;
     /* host-to-network-long conversion (htonl) */
-	servaddr.sin_addr.s_addr = htonl(INADDR_ANY);
     /* host-to-network-short conversion (htons) */
+    servaddr.sin_family 	 = AF_INET;
+    servaddr.sin_addr.s_addr = htonl(INADDR_ANY);
     servaddr.sin_port 		 = htons(SERV_PORT);
 
 
@@ -49,22 +46,31 @@ main(int argc, char** argv)
         return 0;
     }
 
-/* loop, listen for client, print received, reply to client */
-	for(;;) {
+
+    /* loop, listen for client, print received, reply to client */
+    for ( ; ; ) {
         printf("waiting for client message on port %d\n", SERV_PORT);
-		recvlen = recvfrom(sockfd, buf, MSGLEN, 0, (struct sockaddr *)&cliaddr, &addrlen);
+
+        recvlen = recvfrom(sockfd, buf, MSGLEN, 0, 
+                (struct sockaddr *)&cliaddr, &addrlen);
+
         printf("heard %d bytes\n", recvlen);
+
         if (recvlen > 0) {
             buf[recvlen] = 0;
             printf("I heard this: \"%s\"\n", buf);
         }
+
         else
             printf("lost the connection to client\n");
+
         sprintf(buf, "Message #%d received\n", msgnum++);
         printf("reply sent \"%s\"\n", buf);
-	if (sendto(sockfd, buf, strlen(buf), 0, (struct sockaddr *)&cliaddr, addrlen) < 0)
-		perror("sendto");
-	/* continues to loop, use "Ctrl+C" to terminate listening */
 
+        if (sendto(sockfd, buf, strlen(buf), 0, 
+                    (struct sockaddr *)&cliaddr, addrlen) < 0)
+            perror("sendto");
+        
+        /* continues to loop, use "Ctrl+C" to terminate listening */
     }
 }