--- a/config.lib	Mon May 05 16:05:36 2008 +0000
+++ b/config.lib	Mon May 05 18:27:57 2008 +0000
@@ -934,7 +934,7 @@
 		fi
 
 		if [ $cc_version -ge 30 ]; then
-			CFLAGS="$CFLAGS -W -Wno-unused-parameter"
+			CFLAGS="$CFLAGS -W -Wno-unused-parameter -Wformat=2"
 		fi
 
 		if [ $cc_version -ge 34 ]; then

--- a/src/network/network_client.cpp	Mon May 05 16:05:36 2008 +0000
+++ b/src/network/network_client.cpp	Mon May 05 18:27:57 2008 +0000
@@ -82,10 +82,10 @@
 	if (StrEmpty(_network_player_info[_local_player].password)) return;
 
 	_password_game_seed = _patches.generation_seed;
-	snprintf(_password_server_unique_id, sizeof(_password_server_unique_id), _network_unique_id);
+	ttd_strlcpy(_password_server_unique_id, _network_unique_id, sizeof(_password_server_unique_id));
 
 	const char *new_pw = GenerateCompanyPasswordHash(_network_player_info[_local_player].password);
-	snprintf(_network_player_info[_local_player].password, sizeof(_network_player_info[_local_player].password), new_pw);
+	ttd_strlcpy(_network_player_info[_local_player].password, new_pw, sizeof(_network_player_info[_local_player].password));
 }
 
 

--- a/src/saveload.cpp	Mon May 05 16:05:36 2008 +0000
+++ b/src/saveload.cpp	Mon May 05 18:27:57 2008 +0000
@@ -1580,7 +1580,7 @@
 		if (_sl.excpt_uninit != NULL) _sl.excpt_uninit();
 
 		ShowInfo(GetSaveLoadErrorString());
-		fprintf(stderr, GetSaveLoadErrorString());
+		DEBUG(sl, 0, GetSaveLoadErrorString());
 
 		if (threaded) {
 			SetAsyncSaveFinish(SaveFileError);