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/** |
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* vim: set ts=4 : |
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* ============================================================================= |
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* SourceMod |
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* Copyright (C) 2004-2008 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 modify it under |
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* the terms of the GNU General Public License, version 3.0, as published by the |
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* Free Software Foundation. |
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* |
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* This program is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS |
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* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more |
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* details. |
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* |
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* You should have received a copy of the GNU General Public License along with |
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* 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 link the |
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* code of this program (as well as its derivative works) to "Half-Life 2," the |
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* "Source Engine," the "SourcePawn JIT," and any Game MODs that run on software |
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* by the Valve Corporation. You must obey the GNU General Public License in |
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* all respects for all other code used. Additionally, AlliedModders LLC grants |
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* this exception to all derivative works. AlliedModders LLC defines further |
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* exceptions, found in LICENSE.txt (as of this writing, version JULY-31-2007), |
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* 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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}; |
