From 2be15ff629485441f0ffeb9c4e04f00cc02ec8bf Mon Sep 17 00:00:00 2001
From: fdxx <44993923+fdxx@users.noreply.github.com>
Date: Sat, 2 Nov 2024 23:27:08 +0800
Subject: [PATCH] Fix SDKCall NULL_STRING (#2178)

---
 extensions/sdktools/vdecoder.cpp | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/extensions/sdktools/vdecoder.cpp b/extensions/sdktools/vdecoder.cpp
index 881fa667a..3fb2618d5 100644
--- a/extensions/sdktools/vdecoder.cpp
+++ b/extensions/sdktools/vdecoder.cpp
@@ -575,7 +575,13 @@ DataStatus DecodeValveParam(IPluginContext *pContext,
 	case Valve_String:
 		{
 			char *addr;
-			pContext->LocalToString(param, &addr);
+			pContext->LocalToStringNULL(param, &addr);
+			if (addr == NULL && (data->decflags & VDECODE_FLAG_ALLOWNULL) == 0)
+			{
+				pContext->ThrowNativeError("NULL not allowed");
+				return Data_Fail;
+			}
+			
 			*(char **)buffer = addr;
 			return Data_Okay;
 		}