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[SHELL32][SHELL32_APITEST][SDK] SHIsBadInterfacePtr (#7664)

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Implementing missing features...
JIRA issue: CORE-19278
- Move function definition from
  stubs.cpp to utils.cpp.
- Implement SHIsBadInterfacePtr
  function in utils.cpp.
- Add prototype to <undocshell.h>.
This commit is contained in:
Katayama Hirofumi MZ 2025-01-26 19:24:24 +09:00 • committed by GitHub
parent e302bacd7e
commit a58bf95914
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6 changed files with 85 additions and 11 deletions
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24
dll/win32/shell32/utils.cpp
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@ -1809,6 +1809,30 @@ SHELL_CreateShell32DefaultExtractIcon(int IconIndex, REFIID riid, LPVOID *ppvOut
return initIcon->QueryInterface(riid, ppvOut);
}
/*************************************************************************
* SHIsBadInterfacePtr [SHELL32.84]
*
* Retired in 6.0 from Windows Vista and higher.
*/
EXTERN_C
BOOL WINAPI
SHIsBadInterfacePtr(
_In_ LPCVOID pv,
_In_ UINT_PTR ucb)
{
struct CUnknownVtbl
{
HRESULT (STDMETHODCALLTYPE *QueryInterface)(REFIID riid, LPVOID *ppvObj);
ULONG (STDMETHODCALLTYPE *AddRef)();
ULONG (STDMETHODCALLTYPE *Release)();
};
struct CUnknown { CUnknownVtbl *lpVtbl; };
const CUnknown *punk = reinterpret_cast<const CUnknown *>(pv);
return !punk || IsBadReadPtr(punk, sizeof(punk->lpVtbl)) ||
IsBadReadPtr(punk->lpVtbl, ucb) ||
IsBadCodePtr((FARPROC)punk->lpVtbl->Release);
}
/*************************************************************************
* SHGetUserDisplayName [SHELL32.241]
*