dll/appcompat/apphelp/shimeng.h

   1 /*
   2  * PROJECT:     ReactOS Application compatibility module
   3  * LICENSE:     GPL-2.0+ (https://spdx.org/licenses/GPL-2.0+)
   4  * PURPOSE:     Shim engine structures
   5  * COPYRIGHT:   Copyright 2017 Mark Jansen (mark.jansen@reactos.org)
   6  */
   7
   8 #ifndef SHIMENG_H
   9 #define SHIMENG_H
  10
  11 /* This header is ReactOS specific */
  12
  13 /* Structure that allows dynamic growing.
  14    Be aware, the data may move! */
  15 typedef struct _ARRAY
  16 {
  17     PVOID Data__;
  18     DWORD Size__;
  19     DWORD MaxSize__;
  20     DWORD ItemSize__;
  21 } ARRAY, *PARRAY;
  22
  23 typedef struct _SHIMINFO *PSHIMINFO;
  24 typedef struct _SHIMMODULE *PSHIMMODULE;
  25
  26 /* Shims know this structure as HOOKAPI, with 2 reserved members (the last 2). */
  27 typedef struct tagHOOKAPIEX
  28 {
  29     PCSTR LibraryName;
  30     PCSTR FunctionName;
  31     PVOID ReplacementFunction;
  32     PVOID OriginalFunction;
  33     PSHIMINFO pShimInfo;
  34     PVOID Unused;
  35 } HOOKAPIEX, *PHOOKAPIEX;
  36
  37 C_ASSERT(sizeof(HOOKAPIEX) == sizeof(HOOKAPI));
  38 C_ASSERT(offsetof(HOOKAPIEX, pShimInfo) == offsetof(HOOKAPI, Reserved));
  39
  40 typedef struct _INEXCLUDE
  41 {
  42     UNICODE_STRING Module;
  43     BOOL Include;
  44 } INEXCLUDE, *PINEXCLUDE;
  45
  46 typedef struct _SHIMINFO
  47 {
  48     PCWSTR ShimName;
  49     PHOOKAPIEX pHookApi;
  50     DWORD dwHookCount;
  51     PSHIMMODULE pShimModule;
  52     ARRAY InExclude;        /* INEXCLUDE */
  53 } SHIMINFO, *PSHIMINFO;
  54
  55 typedef struct _SHIMMODULE
  56 {
  57     UNICODE_STRING Name;
  58     PVOID BaseAddress;
  59
  60     PHOOKAPIEX (WINAPI* pGetHookAPIs)(LPCSTR szCommandLine, LPCWSTR wszShimName, PDWORD pdwHookCount);
  61     BOOL (WINAPI* pNotifyShims)(DWORD fdwReason, PVOID ptr);
  62
  63     ARRAY EnabledShims;     /* PSHIMINFO */
  64 } SHIMMODULE, *PSHIMMODULE;
  65
  66 typedef struct _HOOKMODULEINFO
  67 {
  68     UNICODE_STRING Name;
  69     PVOID BaseAddress;
  70
  71     ARRAY HookApis;         /* PHOOKAPIEX */
  72
  73 } HOOKMODULEINFO, *PHOOKMODULEINFO;
  74
  75
  76 #if SDBAPI_DEBUG_ALLOC
  77
  78 LPVOID SdbpAlloc(SIZE_T size, int line, const char* file);
  79 LPVOID SdbpReAlloc(LPVOID mem, SIZE_T size, SIZE_T oldSize, int line, const char* file);
  80 VOID SdbpFree(LPVOID mem, int line, const char* file);
  81
  82 #define SeiAlloc(size) SdbpAlloc(size, __LINE__, __FILE__)
  83 #define SeiReAlloc(mem, size, oldSize) SdbpReAlloc(mem, size, oldSize, __LINE__, __FILE__)
  84 #define SeiFree(mem) SdbpFree(mem, __LINE__, __FILE__)
  85
  86 #else
  87
  88 LPVOID SdbpAlloc(SIZE_T size);
  89 LPVOID SdbpReAlloc(LPVOID mem, SIZE_T size, SIZE_T oldSize);
  90 VOID SdbpFree(LPVOID mem);
  91
  92 #define SeiAlloc(size) SdbpAlloc(size)
  93 #define SeiReAlloc(mem, size, oldSize) SdbpReAlloc(mem, size, oldSize)
  94 #define SeiFree(mem) SdbpFree(mem)
  95
  96 #endif
  97
  98 #endif // SHIMENG_H