X-Git-Url: https://git.netwichtig.de/gitweb/?a=blobdiff_plain;f=src%2Fdynamic.cpp;h=3a6a151cb5d047db124b4caca75d1a8063c0a1bf;hb=ef23e4c07320fbbbf9d142878aae05a3e87eff0f;hp=4734c4f63bbe268b4bec17fe3f836936337f4d62;hpb=6a869d0701bbfe3c7a5e370793adfda4b5b45c65;p=user%2Fhenk%2Fcode%2Finspircd.git

diff --git a/src/dynamic.cpp b/src/dynamic.cpp
index 4734c4f63..3a6a151cb 100644
--- a/src/dynamic.cpp
+++ b/src/dynamic.cpp
@@ -1,39 +1,53 @@
-/*       +------------------------------------+
- *       | Inspire Internet Relay Chat Daemon |
- *       +------------------------------------+
+/*
+ * InspIRCd -- Internet Relay Chat Daemon
  *
- *  InspIRCd: (C) 2002-2008 InspIRCd Development Team
- * See: http://www.inspircd.org/wiki/index.php/Credits
+ *   Copyright (C) 2009 Daniel De Graaf <danieldg@inspircd.org>
+ *   Copyright (C) 2007 Oliver Lupton <oliverlupton@gmail.com>
+ *   Copyright (C) 2007 Robin Burchell <robin+git@viroteck.net>
+ *   Copyright (C) 2007 Dennis Friis <peavey@inspircd.org>
+ *   Copyright (C) 2003, 2006 Craig Edwards <craigedwards@brainbox.cc>
  *
- * This program is free but copyrighted software; see
- *            the file COPYING for details.
+ * This file is part of InspIRCd.  InspIRCd is free software: you can
+ * redistribute it and/or modify it under the terms of the GNU General Public
+ * License as published by the Free Software Foundation, version 2.
  *
- * ---------------------------------------------------
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+ * FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
+ * details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-/* $Core */
 
 #include "inspircd.h"
 #include "dynamic.h"
-#ifndef WIN32
+#ifndef _WIN32
 #include <dlfcn.h>
+#else
+#define dlopen(path, state) (void*)LoadLibraryA(path)
+#define dlsym(handle, export) (void*)GetProcAddress((HMODULE)handle, export)
+#define dlclose(handle) FreeLibrary((HMODULE)handle)
 #endif
 
-DLLManager::DLLManager(InspIRCd*, const char *fname)
+DLLManager::DLLManager(const char *fname)
 {
-	err = NULL;
-
 	if (!strstr(fname,".so"))
 	{
 		err = "This doesn't look like a module file to me...";
+		h = NULL;
 		return;
 	}
 
 	h = dlopen(fname, RTLD_NOW|RTLD_LOCAL);
 	if (!h)
 	{
-		err = (char*)dlerror();
-		return;
+#ifdef _WIN32
+		RetrieveLastError();
+#else
+		err = dlerror();
+#endif
 	}
 }
 
@@ -44,24 +58,54 @@ DLLManager::~DLLManager()
 		dlclose(h);
 }
 
+union init_t {
+	void* vptr;
+	Module* (*fptr)();
+};
 
-
-bool DLLManager::GetSymbol(void** v, const char* sym_name)
+Module* DLLManager::CallInit()
 {
-	/*
-	 * try extract a symbol from the library
-	 * get any error message is there is any
-	 */
-	
-	if (h)
+	if (!h)
+		return NULL;
+
+	init_t initfn;
+	initfn.vptr = dlsym(h, MODULE_INIT_STR);
+	if (!initfn.vptr)
 	{
-		dlerror(); // clear value
-		*v = dlsym(h, sym_name);
-		err = (char*)dlerror();
-		if (!*v || err)
-			return false;
+#ifdef _WIN32
+		RetrieveLastError();
+#else
+		err = dlerror();
+#endif
+		return NULL;
 	}
-	
-	/* succeeded :) */
-	return true;
+
+	return (*initfn.fptr)();
 }
+
+std::string DLLManager::GetVersion()
+{
+	if (!h)
+		return "";
+
+	const char* srcver = (char*)dlsym(h, "inspircd_src_version");
+	if (srcver)
+		return srcver;
+	return "Unversioned module";
+}
+
+#ifdef _WIN32
+void DLLManager::RetrieveLastError()
+{
+	char errmsg[500];
+	DWORD dwErrorCode = GetLastError();
+	if (FormatMessageA(FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS, NULL, dwErrorCode, MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), (LPSTR)errmsg, _countof(errmsg), NULL) == 0)
+		sprintf_s(errmsg, _countof(errmsg), "Error code: %u", dwErrorCode);
+	SetLastError(ERROR_SUCCESS);
+	err = errmsg;
+
+	std::string::size_type p;
+	while ((p = err.find_last_of("\r\n")) != std::string::npos)
+		err.erase(p, 1);
+}
+#endif