From 3d47010cbde09b450589ab285299cb2041e0fc74 Mon Sep 17 00:00:00 2001
From: Asher Baker <asherkin@gmail.com>
Date: Mon, 15 Aug 2011 20:19:07 +0100
Subject: [PATCH] Fail to load a metamod-enabled extension if it refuses to
 attach to MM:S (bug 5042, r=dvander).

---
 core/ExtensionSys.cpp | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/core/ExtensionSys.cpp b/core/ExtensionSys.cpp
index 9cecd5d8..12ba24d1 100644
--- a/core/ExtensionSys.cpp
+++ b/core/ExtensionSys.cpp
@@ -182,6 +182,28 @@ bool CLocalExtension::Load(char *error, size_t maxlength)
 	{
 		bool already;
 		m_PlId = g_pMMPlugins->Load(m_Path.c_str(), g_PLID, already, error, maxlength);
+
+		// Check the plugin didn't refuse load
+		Pl_Status status;
+		
+#ifndef METAMOD_PLAPI_VERSION
+		const char *file;
+		PluginId source;
+#endif
+		
+		if (!m_PlId || (
+#ifndef METAMOD_PLAPI_VERSION
+			g_pMMPlugins->Query(m_PlId, file, status, source)
+#else
+			g_pMMPlugins->Query(m_PlId, NULL, &status, NULL)
+#endif			
+			&& status < Pl_Paused))
+		{
+			m_pLib->CloseLibrary();
+			m_pLib = NULL;
+			m_pAPI = NULL;
+			return false;
+		}
 	}
 
 	if (!CExtension::Load(error, maxlength))