Method GetModuleListPSAPI

src/StackWalker.cpp:515–599

  } MODULEINFO, *LPMODULEINFO;

  BOOL GetModuleListPSAPI(HANDLE hProcess)
  {
    // EnumProcessModules()
    typedef BOOL (__stdcall *tEPM)(HANDLE hProcess, HMODULE *lphModule, DWORD cb, LPDWORD lpcbNeeded );
    // GetModuleFileNameEx()
    typedef DWORD (__stdcall *tGMFNE)(HANDLE hProcess, HMODULE hModule, LPSTR lpFilename, DWORD nSize );
    // GetModuleBaseName()
    typedef DWORD (__stdcall *tGMBN)(HANDLE hProcess, HMODULE hModule, LPSTR lpFilename, DWORD nSize );
    // GetModuleInformation()
    typedef BOOL (__stdcall *tGMI)(HANDLE hProcess, HMODULE hModule, LPMODULEINFO pmi, DWORD nSize );

    HINSTANCE hPsapi;
    tEPM pEPM;
    tGMFNE pGMFNE;
    tGMBN pGMBN;
    tGMI pGMI;

    DWORD i;
    //ModuleEntry e;
    DWORD cbNeeded;
    MODULEINFO mi;
    HMODULE *hMods = 0;
    char *tt = NULL;
    char *tt2 = NULL;
    const SIZE_T TTBUFLEN = 8096;
    int cnt = 0;

    hPsapi = LoadLibrary( _T("psapi.dll") );
    if (hPsapi == NULL)
      return FALSE;

    pEPM = (tEPM) GetProcAddress( hPsapi, "EnumProcessModules" );
    pGMFNE = (tGMFNE) GetProcAddress( hPsapi, "GetModuleFileNameExA" );
    pGMBN = (tGMFNE) GetProcAddress( hPsapi, "GetModuleBaseNameA" );
    pGMI = (tGMI) GetProcAddress( hPsapi, "GetModuleInformation" );
    if ( (pEPM == NULL) || (pGMFNE == NULL) || (pGMBN == NULL) || (pGMI == NULL) )
    {
      // we couldn�t find all functions
      FreeLibrary(hPsapi);
      return FALSE;
    }

    hMods = (HMODULE*) malloc(sizeof(HMODULE) * (TTBUFLEN / sizeof HMODULE));
    tt = (char*) malloc(sizeof(char) * TTBUFLEN);
    tt2 = (char*) malloc(sizeof(char) * TTBUFLEN);
    if ( (hMods == NULL) || (tt == NULL) || (tt2 == NULL) )
      goto cleanup;

    if ( ! pEPM( hProcess, hMods, TTBUFLEN, &cbNeeded ) )
    {
      //_ftprintf(fLogFile, _T("%lu: EPM failed, GetLastError = %lu\n"), g_dwShowCount, gle );
      goto cleanup;
    }

    if ( cbNeeded > TTBUFLEN )
    {
      //_ftprintf(fLogFile, _T("%lu: More than %lu module handles. Huh?\n"), g_dwShowCount, lenof( hMods ) );
      goto cleanup;