38ddbb37b9
--HG-- extra : convert_revision : svn%3A39bc706e-5318-0410-9160-8a85361fbb7c/trunk%401237
119 lines
3.6 KiB
C++
119 lines
3.6 KiB
C++
/**
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* vim: set ts=4 :
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* ================================================================
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* SourceMod
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* Copyright (C) 2004-2007 AlliedModders LLC. All rights reserved.
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* ================================================================
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License,
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* version 3.0, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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* As a special exception, AlliedModders LLC gives you permission to
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* link the code of this program (as well as its derivative works) to
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* "Half-Life 2," the "Source Engine," the "SourcePawn JIT," and any
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* Game MODs that run on software by the Valve Corporation. You must
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* obey the GNU General Public License in all respects for all other
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* code used. Additionally, AlliedModders LLC grants this exception
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* to all derivative works. AlliedModders LLC defines further
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* exceptions, found in LICENSE.txt (as of this writing, version
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* JULY-31-2007), or <http://www.sourcemod.net/license.php>.
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*
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* Version: $Id$
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*/
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#include "sm_globals.h"
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#include "HandleSys.h"
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#include "PluginSys.h"
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static cell_t sm_IsValidHandle(IPluginContext *pContext, const cell_t *params)
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{
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Handle_t hndl = static_cast<Handle_t>(params[1]);
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HandleError err = g_HandleSys.ReadHandle(hndl, 0, NULL, NULL);
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if (err != HandleError_Access
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&& err != HandleError_None)
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{
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return 0;
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}
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return 1;
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}
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static cell_t sm_CloseHandle(IPluginContext *pContext, const cell_t *params)
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{
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Handle_t hndl = static_cast<Handle_t>(params[1]);
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HandleSecurity sec;
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sec.pIdentity = NULL;
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sec.pOwner = pContext->GetIdentity();
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HandleError err = g_HandleSys.FreeHandle(hndl, &sec);
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if (err == HandleError_None)
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{
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return 1;
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} else if (err == HandleError_Access) {
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return 0;
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} else {
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return pContext->ThrowNativeError("Handle %x is invalid (error %d)", hndl, err);
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}
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}
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static cell_t sm_CloneHandle(IPluginContext *pContext, const cell_t *params)
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{
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Handle_t new_hndl;
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Handle_t hndl = static_cast<Handle_t>(params[1]);
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HandleError err;
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IdentityToken_t *pNewOwner;
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if (params[2] == 0)
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{
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pNewOwner = pContext->GetIdentity();
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} else {
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Handle_t hPlugin = static_cast<Handle_t>(params[2]);
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IPlugin *pPlugin = g_PluginSys.PluginFromHandle(hPlugin, &err);
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if (!pPlugin)
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{
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return pContext->ThrowNativeError("Plugin handle %x is invalid (error %d)", hndl, err);
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}
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pNewOwner = pPlugin->GetIdentity();
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}
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err = g_HandleSys.CloneHandle(hndl, &new_hndl, pNewOwner, NULL);
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if (err == HandleError_Access)
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{
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return 0;
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} else if (err == HandleError_None) {
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return new_hndl;
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} else {
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return pContext->ThrowNativeError("Handle %x cannot be cloned because it is invalid (error %d)", hndl, err);
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}
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}
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static cell_t sm_GetMyHandle(IPluginContext *pContext, const cell_t *params)
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{
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CPlugin *pPlugin = g_PluginSys.GetPluginByCtx(pContext->GetContext());
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return pPlugin->GetMyHandle();
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}
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REGISTER_NATIVES(handles)
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{
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{"IsValidHandle", sm_IsValidHandle},
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{"CloseHandle", sm_CloseHandle},
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{"CloneHandle", sm_CloneHandle},
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{"GetMyHandle", sm_GetMyHandle},
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{NULL, NULL},
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};
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