From d11325cf0fd1aad2f9160e302d4ca3b1d70ab9b4 Mon Sep 17 00:00:00 2001
From: shfil <filip.gawin@zoho.com>
Date: Thu, 31 Dec 2020 16:34:50 +0100
Subject: [PATCH] Fix UB in ProjectileInfo.cpp

---
 src/weapons/ProjectileInfo.cpp | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/weapons/ProjectileInfo.cpp b/src/weapons/ProjectileInfo.cpp
index 754da5f7..0930756c 100644
--- a/src/weapons/ProjectileInfo.cpp
+++ b/src/weapons/ProjectileInfo.cpp
@@ -159,8 +159,12 @@ CProjectileInfo::AddProjectile(CEntity *entity, eWeaponType weapon, CVector pos,
 	}
 
 	int i = 0;
+#ifdef FIX_BUGS
+	while (i < ARRAY_SIZE(gaProjectileInfo) && gaProjectileInfo[i].m_bInUse) i++;
+#else
+	// array overrun is UB
 	while (gaProjectileInfo[i].m_bInUse && i < ARRAY_SIZE(gaProjectileInfo)) i++;
-
+#endif
 	if (i == ARRAY_SIZE(gaProjectileInfo))
 		return false;