From b0f2caac7073751b5425acaf7c417ee622519e74 Mon Sep 17 00:00:00 2001
From: RandomCrocodile <mawi@polosab.com>
Date: Sun, 7 Jun 2026 18:42:52 +0200
Subject: [PATCH] fix(renamer): fix generic name parsing null case (upstream
 #516)

When preserveGenericParams is true but name is null or empty,
ParseGenericName would crash. Add a null/empty guard to prevent this.

Cherry-pick of mkaring/ConfuserEx#516.
---
 Confuser.Renamer/NameService.cs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Confuser.Renamer/NameService.cs b/Confuser.Renamer/NameService.cs
index aafebadda..ac60618b7 100644
--- a/Confuser.Renamer/NameService.cs
+++ b/Confuser.Renamer/NameService.cs
@@ -214,7 +214,7 @@ public string ObfuscateName(IDnlibDef dnlibDef, RenameMode mode) {
 
 		public string ObfuscateName(string format, string name, RenameMode mode, bool preserveGenericParams = false) {
 			int genericParamsCount = 0;
-			if (preserveGenericParams) {
+			if (preserveGenericParams && !string.IsNullOrEmpty(name)) {
 				name = ParseGenericName(name, out genericParamsCount);
 			}