Merge branch 'master' of ssh://git@wg.reiner-h.de:22003/~git/oxen

1 files changed, 26 insertions, 6 deletions

diff --git a/src/net.c b/src/net.c
index 0eea8a9..1b3811d 100644
--- a/src/net.c
+++ b/src/net.c
@@ -84,7 +84,11 @@ int* server_get_players(int serversock, const uint8_t count)
 	assert(count < MAX_PLAYERS && count > 0);
 
 	clientsocks = malloc(count*sizeof(int));
-	assert(clientsocks != NULL);
+	if(clientsocks == NULL)
+	{
+		printf("server_get_players: Out of memory\n");
+		exit(EXIT_FAILURE);
+	}
 
 	// accept connections
 	for(i=0; i<count; i++)
@@ -117,8 +121,13 @@ void client_hello(int sock, const char* username)
 	uint8_t namelen = strlen(username);
 
 	buf = malloc(namelen+2); // type + len + username
+	if(buf == NULL)
+	{
+		printf("client_hello: Out of memory\n");
+		exit(EXIT_FAILURE);
+	}
 
-	buf[0] = CLIENT_HELLO;
+	buf[0] = msg_type_hello;
 	buf[1] = namelen;
 	memcpy(buf+2, username, namelen);
 
@@ -187,7 +196,12 @@ void server_start_game(int* clients, const uint8_t clientcount, const char* user
 		buflen += strlen(usernames[i]);
 
 	buf = malloc(buflen);
-	buf[pos++] = SERVER_START_GAME;
+	if(buf == NULL)
+	{
+		printf("server_start_game: Out of memory\n");
+		exit(EXIT_FAILURE);
+	}
+	buf[pos++] = msg_type_start_game;
 	buf[pos++] = clientcount;
 	// copy usernames with length to buffer
 	for(int i=0; i<usercount; i++)
@@ -217,11 +231,17 @@ char* server_recv_hello(int sock)
 
 	recv(sock, buf, 13, 0);
 
-	assert(buf[0] == CLIENT_HELLO);
+	assert(buf[0] == msg_type_hello);
 
 	namelen = buf[1];
 	name = malloc(namelen+1);
-	strncpy(name, buf+2, namelen);
+	if(name == NULL)
+	{
+		printf("sender_recv_hello: Out of memory\n");
+		exit(EXIT_FAILURE);
+	}
+
+	memcpy(name, buf+2, namelen);
 	name[namelen] = '\0';
 
 	return name;
@@ -247,7 +267,7 @@ void* server_recv(int sock, uint8_t wanted)
 
 	switch(type)
 	{
-		case CLIENT_HELLO:
+		case msg_type_hello:
 			result = server_recv_hello(sock);
 			break;
 	}