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/**
* This file is part of Hercules.
* http://herc.ws - http://github.com/HerculesWS/Hercules
*
* Copyright (C) 2016 Hercules Dev Team
*
* Hercules 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, either version 3 of the License, or
* (at your option) any later version.
*
* 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/>.
*/
#ifndef PLUGINS_HPMHOOKING_H
#define PLUGINS_HPMHOOKING_H
#include "common/hercules.h"
enum HPluginHookType {
HOOK_TYPE_PRE,
HOOK_TYPE_POST,
};
struct HPMHooking_interface {
bool (*AddHook) (enum HPluginHookType type, const char *target, void *hook, unsigned int pID);
void (*HookStop) (const char *func, unsigned int pID);
bool (*HookStopped) (void);
};
#ifdef HERCULES_CORE
struct HPMHooking_core_interface {
bool enabled;
bool force_return;
bool (*addhook_sub) (enum HPluginHookType type, const char *target, void *hook, unsigned int pID);
const char *(*Hooked)(bool *fr);
};
#else // ! HERCULES_CORE
HPExport struct HPMHooking_interface HPMHooking_s;
#include "HPMHooking/HPMHooking.Defs.inc"
#define addHookPre(ifname, funcname, hook) ( \
(void)((HPMHOOK_pre_ ## ifname ## _ ## funcname)0 == (hook)), \
HPMi->hooking->AddHook(HOOK_TYPE_PRE, #ifname "->" #funcname, (hook), HPMi->pid) \
)
#define addHookPrePriv(ifname, funcname, hook) ( \
(void)((HPMHOOK_pre_PRIV__ ## ifname ## _ ## funcname)0 == (hook)), \
HPMi->hooking->AddHook(HOOK_TYPE_PRE, #ifname "->p->" #funcname, (hook), HPMi->pid) \
)
#define addHookPost(ifname, funcname, hook) ( \
(void)((HPMHOOK_post_ ## ifname ## _ ## funcname)0 == (hook)), \
HPMi->hooking->AddHook(HOOK_TYPE_POST, #ifname "->" #funcname, (hook), HPMi->pid) \
)
#define addHookPostPriv(ifname, funcname, hook) ( \
(void)((HPMHOOK_post_PRIV__ ## ifname ## _ ## funcname)0 == (hook)), \
HPMi->hooking->AddHook(HOOK_TYPE_POST, #ifname "->p->" #funcname, (hook), HPMi->pid) \
)
/* need better names ;/ */
/* will not run the original function after pre-hook processing is complete (other hooks will run) */
#define hookStop() (HPMi->hooking->HookStop(__func__,HPMi->pid))
#define hookStopped() (HPMi->hooking->HookStopped())
#endif // ! HERCULES_CORE
#endif // PLUGINS_HPMHOOKING_H
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