hooklib.h

#ifndef _HOOKLIB_H_
#define _HOOKLIB_H_

#include "_global.h"

#pragma pack(push,1)
struct HOOKOPCODES
{
#ifdef _WIN64
    unsigned short int mov;
#else
    unsigned char mov;
#endif
    ULONG_PTR addr;
    unsigned char push;
    unsigned char ret;
};
#pragma pack(pop)

typedef struct HOOKSTRUCT
{
    ULONG_PTR addr;
    HOOKOPCODES hook;
    unsigned char orig[sizeof(HOOKOPCODES)];
    //SSDT extension
    int SSDTindex;
    LONG SSDTold;
    LONG SSDTnew;
    ULONG_PTR SSDTaddress;
}* HOOK;

class Hooklib
{
public:
    static HOOK Hook(PVOID api, void* newfunc);
    static bool Hook(HOOK hook);
    static bool Unhook(HOOK hook, bool free = false);
};

#endif //_HOOKLIB_H_