use packet indizes for better readability

1 files changed, 10 insertions, 9 deletions

diff --git a/src/net_client.c b/src/net_client.c
index 531bbd1..d0149b4 100644
--- a/src/net_client.c
+++ b/src/net_client.c
@@ -26,9 +26,9 @@ void client_hello(int sock, const char* username)
 		exit(EXIT_FAILURE);
 	}
 
-	buf[0] = msg_type_hello;
-	buf[1] = namelen+2;
-	memcpy(buf+2, username, namelen);
+	buf[INDEX_TYPE] = msg_type_hello;
+	buf[INDEX_LEN] = namelen+2;
+	memcpy(buf+INDEX_PAYLOAD, username, namelen);
 
 	send(sock, buf, namelen+2, 0);
 
@@ -91,7 +91,7 @@ static struct player_list* client_recv_player_list(int sock, uint8_t data_len)
 
 	recv(sock, buf, data_len, 0);
 
-	assert(buf[0] == msg_type_start_game);
+	assert(buf[INDEX_TYPE] == msg_type_start_game);
 
 	players = malloc(sizeof(struct player_list));
 	if(players == NULL)
@@ -99,9 +99,10 @@ static struct player_list* client_recv_player_list(int sock, uint8_t data_len)
 		printf("client_recv_player_list: Out of memory\n");
 		exit(EXIT_FAILURE);
 	}
-	players->count = buf[2];
 
-	pos = 3;
+	pos = INDEX_PAYLOAD;
+	players->count = buf[pos++];
+
 	// read usernames from buffer
 	for(int i=0; i<players->count; i++)
 	{
@@ -124,7 +125,7 @@ static hand* client_recv_deal_cards(int sock, uint8_t data_len)
 
 	recv(sock, buf, data_len, 0);
 
-	assert(buf[0] == msg_type_deal_cards);
+	assert(buf[INDEX_TYPE] == msg_type_deal_cards);
 
 	for(int i=0; i<MAX_HAND_CARDS; i++)
 		*h[i] = (card) buf[i+2];
@@ -146,8 +147,8 @@ void* client_recv(int sock, uint8_t wanted)
 
 	assert(len != -1);
 
-	type = buf[0];
-	data_len = buf[1];
+	type = buf[INDEX_TYPE];
+	data_len = buf[INDEX_LEN];
 	if(type != wanted)
 	{
 		printf("client_recv: received type %d instead of %d", type, wanted);