From e38c5da0546c2d1e0862933d50582333109e7fbe Mon Sep 17 00:00:00 2001
From: KitRifty <kitrifty@gmail.com>
Date: Fri, 16 Feb 2024 13:37:08 -0800
Subject: [PATCH] Fix edge case with passing 0 to PawnAddressToPtr

---
 extension/helpers.h | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/extension/helpers.h b/extension/helpers.h
index 84ab100..8d32c46 100644
--- a/extension/helpers.h
+++ b/extension/helpers.h
@@ -158,6 +158,11 @@ inline cell_t PtrToPawnAddress(const void* ptr) {
 
 inline void* PawnAddressToPtr(cell_t addr) {
 #ifdef PLATFORM_X64
+	if (!addr) {
+		// BUGFIX: Passing 0 to FromPseudoAddress won't return nullptr but a valid pseudo address.
+		// If we're getting 0 from a plugin then we treat it as nullptr since Address_Null is 0.
+		return 0;
+	}
 	return (void*)g_pSM->FromPseudoAddress(addr);
 #else
 	return (void*)addr;