(svn r767) Introduce USERSTRING_LEN (128) and try to make sure we don't overflow it anywhere (as long as we keep USERSTRING_LEN above 7 or so).

1 files changed, 2 insertions, 1 deletions

diff --git a/engine.c b/engine.c
index 23916de88..f980703bc 100644
--- a/engine.c
+++ b/engine.c
@@ -601,7 +601,8 @@ StringID GetCustomEngineName(int engine)
 {
 	if (!_engine_custom_names[engine])
 		return _engine_name_strings[engine];
-	strcpy(_userstring, _engine_custom_names[engine]);
+	strncpy(_userstring, _engine_custom_names[engine], USERSTRING_LEN);
+	_userstring[USERSTRING_LEN - 1] = '\0';
 	return STR_SPEC_USERSTRING;
 }