Source code of Windows XP (NT5)
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//+---------------------------------------------------------------------
//
// File: misc.cxx
//
// Contents: Useful OLE helper and debugging functions
//
//----------------------------------------------------------------------
extern "C" {
#include <nt.h>
#include <ntrtl.h>
#include <nturtl.h>
#include <windows.h>
#include <stdio.h>
#include <stdlib.h>
#include <basetyps.h>
#include "dswarn.h"
#include "oledsdbg.h"
}
#if (defined(BUILD_FOR_NT40))
typedef unsigned long HRESULT;
#endif
static HRESULT ADsDebugOutHRESULT(DWORD dwFlags, HRESULT r);
#if DBG == 1
//+---------------------------------------------------------------
//
// Function: PrintHRESULT
//
// Synopsis: Outputs the name of the SCODE and a carriage return
// to the debugging device.
//
// Arguments: [dwFlags] -- Flags to ADsDebugOut.
// [scode] -- The status code to report.
//
// Notes: This function disappears in retail builds.
//
//----------------------------------------------------------------
STDAPI
PrintHRESULT(DWORD dwFlags, HRESULT hr)
{
ADsDebugOut((dwFlags | DEB_NOCOMPNAME, " "));
ADsDebugOutHRESULT(dwFlags | DEB_NOCOMPNAME, hr);
ADsDebugOut((dwFlags | DEB_NOCOMPNAME, "\n"));
return hr;
}
//+---------------------------------------------------------------
//
// Function: ADsDebugOutHRESULT
//
// Synopsis: Outputs the name of the SCODE to the debugging device.
//
// Arguments: [dwFlags] -- Flags to ADsDebugOut.
// [scode] -- The status code to report.
//
// Notes: This function disappears in retail builds.
//
//----------------------------------------------------------------
static HRESULT
ADsDebugOutHRESULT(DWORD dwFlags, HRESULT r)
{
LPWSTR lpstr;
#define CASE_SCODE(sc) \
case sc: lpstr = (LPWSTR)L#sc; break;
switch (r) {
/* SCODE's defined in SCODE.H */
CASE_SCODE(S_OK)
CASE_SCODE(S_FALSE)
CASE_SCODE(OLE_S_USEREG)
CASE_SCODE(OLE_S_STATIC)
CASE_SCODE(OLE_S_MAC_CLIPFORMAT)
CASE_SCODE(DRAGDROP_S_DROP)
CASE_SCODE(DRAGDROP_S_USEDEFAULTCURSORS)
CASE_SCODE(DRAGDROP_S_CANCEL)
CASE_SCODE(DATA_S_SAMEFORMATETC)
CASE_SCODE(VIEW_S_ALREADY_FROZEN)
CASE_SCODE(CACHE_S_FORMATETC_NOTSUPPORTED)
CASE_SCODE(CACHE_S_SAMECACHE)
CASE_SCODE(CACHE_S_SOMECACHES_NOTUPDATED)
CASE_SCODE(OLEOBJ_S_INVALIDVERB)
CASE_SCODE(OLEOBJ_S_CANNOT_DOVERB_NOW)
CASE_SCODE(OLEOBJ_S_INVALIDHWND)
CASE_SCODE(INPLACE_S_TRUNCATED)
CASE_SCODE(CONVERT10_S_NO_PRESENTATION)
CASE_SCODE(MK_S_REDUCED_TO_SELF)
CASE_SCODE(MK_S_ME)
CASE_SCODE(MK_S_HIM)
CASE_SCODE(MK_S_US)
CASE_SCODE(MK_S_MONIKERALREADYREGISTERED)
CASE_SCODE(STG_S_CONVERTED)
CASE_SCODE(E_UNEXPECTED)
CASE_SCODE(E_NOTIMPL)
CASE_SCODE(E_OUTOFMEMORY)
CASE_SCODE(E_INVALIDARG)
CASE_SCODE(E_NOINTERFACE)
CASE_SCODE(E_POINTER)
CASE_SCODE(E_HANDLE)
CASE_SCODE(E_ABORT)
CASE_SCODE(E_FAIL)
CASE_SCODE(E_ACCESSDENIED)
/* SCODE's defined in DVOBJ.H */
// CASE_SCODE(DATA_E_FORMATETC)
// same as DATA_E_FORMATETC CASE_SCODE(DV_E_FORMATETC)
CASE_SCODE(VIEW_E_DRAW)
// same as VIEW_E_DRAW CASE_SCODE(E_DRAW)
CASE_SCODE(CACHE_E_NOCACHE_UPDATED)
/* SCODE's defined in OLE2.H */
CASE_SCODE(OLE_E_OLEVERB)
CASE_SCODE(OLE_E_ADVF)
CASE_SCODE(OLE_E_ENUM_NOMORE)
CASE_SCODE(OLE_E_ADVISENOTSUPPORTED)
CASE_SCODE(OLE_E_NOCONNECTION)
CASE_SCODE(OLE_E_NOTRUNNING)
CASE_SCODE(OLE_E_NOCACHE)
CASE_SCODE(OLE_E_BLANK)
CASE_SCODE(OLE_E_CLASSDIFF)
CASE_SCODE(OLE_E_CANT_GETMONIKER)
CASE_SCODE(OLE_E_CANT_BINDTOSOURCE)
CASE_SCODE(OLE_E_STATIC)
CASE_SCODE(OLE_E_PROMPTSAVECANCELLED)
CASE_SCODE(OLE_E_INVALIDRECT)
CASE_SCODE(OLE_E_WRONGCOMPOBJ)
CASE_SCODE(OLE_E_INVALIDHWND)
CASE_SCODE(DV_E_DVTARGETDEVICE)
CASE_SCODE(DV_E_STGMEDIUM)
CASE_SCODE(DV_E_STATDATA)
CASE_SCODE(DV_E_LINDEX)
CASE_SCODE(DV_E_TYMED)
CASE_SCODE(DV_E_CLIPFORMAT)
CASE_SCODE(DV_E_DVASPECT)
CASE_SCODE(DV_E_DVTARGETDEVICE_SIZE)
CASE_SCODE(DV_E_NOIVIEWOBJECT)
CASE_SCODE(CONVERT10_E_OLESTREAM_GET)
CASE_SCODE(CONVERT10_E_OLESTREAM_PUT)
CASE_SCODE(CONVERT10_E_OLESTREAM_FMT)
CASE_SCODE(CONVERT10_E_OLESTREAM_BITMAP_TO_DIB)
CASE_SCODE(CONVERT10_E_STG_FMT)
CASE_SCODE(CONVERT10_E_STG_NO_STD_STREAM)
CASE_SCODE(CONVERT10_E_STG_DIB_TO_BITMAP)
CASE_SCODE(CLIPBRD_E_CANT_OPEN)
CASE_SCODE(CLIPBRD_E_CANT_EMPTY)
CASE_SCODE(CLIPBRD_E_CANT_SET)
CASE_SCODE(CLIPBRD_E_BAD_DATA)
CASE_SCODE(CLIPBRD_E_CANT_CLOSE)
CASE_SCODE(DRAGDROP_E_NOTREGISTERED)
CASE_SCODE(DRAGDROP_E_ALREADYREGISTERED)
CASE_SCODE(DRAGDROP_E_INVALIDHWND)
CASE_SCODE(OLEOBJ_E_NOVERBS)
CASE_SCODE(INPLACE_E_NOTUNDOABLE)
CASE_SCODE(INPLACE_E_NOTOOLSPACE)
/* SCODE's defined in STORAGE.H */
CASE_SCODE(STG_E_INVALIDFUNCTION)
CASE_SCODE(STG_E_FILENOTFOUND)
CASE_SCODE(STG_E_PATHNOTFOUND)
CASE_SCODE(STG_E_TOOMANYOPENFILES)
CASE_SCODE(STG_E_ACCESSDENIED)
CASE_SCODE(STG_E_INVALIDHANDLE)
CASE_SCODE(STG_E_INSUFFICIENTMEMORY)
CASE_SCODE(STG_E_INVALIDPOINTER)
CASE_SCODE(STG_E_NOMOREFILES)
CASE_SCODE(STG_E_DISKISWRITEPROTECTED)
CASE_SCODE(STG_E_SEEKERROR)
CASE_SCODE(STG_E_WRITEFAULT)
CASE_SCODE(STG_E_READFAULT)
CASE_SCODE(STG_E_LOCKVIOLATION)
CASE_SCODE(STG_E_FILEALREADYEXISTS)
CASE_SCODE(STG_E_INVALIDPARAMETER)
CASE_SCODE(STG_E_MEDIUMFULL)
CASE_SCODE(STG_E_ABNORMALAPIEXIT)
CASE_SCODE(STG_E_INVALIDHEADER)
CASE_SCODE(STG_E_INVALIDNAME)
CASE_SCODE(STG_E_UNKNOWN)
CASE_SCODE(STG_E_UNIMPLEMENTEDFUNCTION)
CASE_SCODE(STG_E_INVALIDFLAG)
CASE_SCODE(STG_E_INUSE)
CASE_SCODE(STG_E_NOTCURRENT)
CASE_SCODE(STG_E_REVERTED)
CASE_SCODE(STG_E_CANTSAVE)
CASE_SCODE(STG_E_OLDFORMAT)
CASE_SCODE(STG_E_OLDDLL)
CASE_SCODE(STG_E_SHAREREQUIRED)
/* SCODE's defined in COMPOBJ.H */
CASE_SCODE(CO_E_NOTINITIALIZED)
CASE_SCODE(CO_E_ALREADYINITIALIZED)
CASE_SCODE(CO_E_CANTDETERMINECLASS)
CASE_SCODE(CO_E_CLASSSTRING)
CASE_SCODE(CO_E_IIDSTRING)
CASE_SCODE(CO_E_APPNOTFOUND)
CASE_SCODE(CO_E_APPSINGLEUSE)
CASE_SCODE(CO_E_ERRORINAPP)
CASE_SCODE(CO_E_DLLNOTFOUND)
CASE_SCODE(CO_E_ERRORINDLL)
CASE_SCODE(CO_E_WRONGOSFORAPP)
CASE_SCODE(CO_E_OBJNOTREG)
CASE_SCODE(CO_E_OBJISREG)
CASE_SCODE(CO_E_OBJNOTCONNECTED)
CASE_SCODE(CO_E_APPDIDNTREG)
CASE_SCODE(CLASS_E_NOAGGREGATION)
CASE_SCODE(REGDB_E_READREGDB)
CASE_SCODE(REGDB_E_WRITEREGDB)
CASE_SCODE(REGDB_E_KEYMISSING)
CASE_SCODE(REGDB_E_INVALIDVALUE)
CASE_SCODE(REGDB_E_CLASSNOTREG)
CASE_SCODE(REGDB_E_IIDNOTREG)
CASE_SCODE(RPC_E_CALL_REJECTED)
CASE_SCODE(RPC_E_CALL_CANCELED)
CASE_SCODE(RPC_E_CANTPOST_INSENDCALL)
CASE_SCODE(RPC_E_CANTCALLOUT_INASYNCCALL)
CASE_SCODE(RPC_E_CANTCALLOUT_INEXTERNALCALL)
CASE_SCODE(RPC_E_CONNECTION_TERMINATED)
#if defined(NO_NTOLEBUGS)
CASE_SCODE(RPC_E_SERVER_DIED)
#endif // NO_NTOLEBUGS
CASE_SCODE(RPC_E_CLIENT_DIED)
CASE_SCODE(RPC_E_INVALID_DATAPACKET)
CASE_SCODE(RPC_E_CANTTRANSMIT_CALL)
CASE_SCODE(RPC_E_CLIENT_CANTMARSHAL_DATA)
CASE_SCODE(RPC_E_CLIENT_CANTUNMARSHAL_DATA)
CASE_SCODE(RPC_E_SERVER_CANTMARSHAL_DATA)
CASE_SCODE(RPC_E_SERVER_CANTUNMARSHAL_DATA)
CASE_SCODE(RPC_E_INVALID_DATA)
CASE_SCODE(RPC_E_INVALID_PARAMETER)
CASE_SCODE(RPC_E_UNEXPECTED)
/* SCODE's defined in MONIKER.H */
CASE_SCODE(MK_E_CONNECTMANUALLY)
CASE_SCODE(MK_E_EXCEEDEDDEADLINE)
CASE_SCODE(MK_E_NEEDGENERIC)
CASE_SCODE(MK_E_UNAVAILABLE)
CASE_SCODE(MK_E_SYNTAX)
CASE_SCODE(MK_E_NOOBJECT)
CASE_SCODE(MK_E_INVALIDEXTENSION)
CASE_SCODE(MK_E_INTERMEDIATEINTERFACENOTSUPPORTED)
CASE_SCODE(MK_E_NOTBINDABLE)
CASE_SCODE(MK_E_NOTBOUND)
CASE_SCODE(MK_E_CANTOPENFILE)
CASE_SCODE(MK_E_MUSTBOTHERUSER)
CASE_SCODE(MK_E_NOINVERSE)
CASE_SCODE(MK_E_NOSTORAGE)
#if defined(NO_NTOLEBUGS)
CASE_SCODE(MK_S_MONIKERALREADYREGISTERED)
#endif //NO_NTOLEBUGS
// Dispatch error codes
CASE_SCODE(DISP_E_MEMBERNOTFOUND)
default:
ADsDebugOut((dwFlags, "<UNKNOWN SCODE 0x%lx>", r));
return r;
}
#undef CASE_SCODE
ADsDebugOut((dwFlags, "<%ws (0x%lx)>", lpstr, r));
return r;
}
//+---------------------------------------------------------------------------
//
// Function: BreakOnFailed
//
// Synopsis: Function called when CheckAndReturnResult or CheckResult
// examines a failure code. Set a breakpoint on this function
// to break on failures.
//
// History: 5-18-94 adams Created
//
//----------------------------------------------------------------------------
static void
BreakOnFailed(void)
{
int x;
x = 1;
}
//+---------------------------------------------------------------
//
// Function: CheckAndReturnResult
//
// Synopsis: Issues a warning if the HRESULT indicates failure,
// and asserts if the HRESULT is not a permitted success code.
//
// Arguments: [hr] -- the HRESULT to be checked.
// [lpstrFile] -- the file where the HRESULT is being checked.
// [line] -- the line in the file where the HRESULT is
// being checked.
// [cSuccess] -- the number of permitted non-zero success codes.
// [...] -- list of success codes.
//
// Returns: The return value is exactly the HRESULT passed in.
//
// History: 1-06-94 adams Created.
// 5-24-94 adams Added call to BreakOnFailed.
//
// Notes: This function should not be used directly. Use
// the SRETURN and RRETURN macros instead.
//
//----------------------------------------------------------------
STDAPI
CheckAndReturnResult(
HRESULT hr,
LPSTR lpstrFile,
UINT line,
int cSuccess,
...)
{
BOOL fOKReturnCode;
va_list va;
int i;
HRESULT hrSuccess;
//
// Check if code is an error or permitted success.
//
fOKReturnCode = (FAILED(hr) || hr == S_OK || hr == S_FALSE ||
cSuccess == -1);
if (!fOKReturnCode && cSuccess > 0)
{
va_start(va, cSuccess);
for (i = 0; i < cSuccess; i++)
{
hrSuccess = va_arg(va, HRESULT);
ADsAssert(SUCCEEDED(hrSuccess));
if (hr == hrSuccess)
{
fOKReturnCode = TRUE;
break;
}
}
va_end(va);
}
//
// Assert on non-permitted success code.
//
if (!fOKReturnCode)
{
/* ADsDebugOut((
DEB_ERROR,
"ERROR: %s:%d returned bad success code",
lpstrFile,
line)); */
// (void) PrintHRESULT(DEB_ERROR | DEB_NOCOMPNAME, hr);
//
// I've removed the Assert but we should enable this
// to monitor all functions that are returning S_FALSE
// As far as possible, functions should not return
// S_FALSE except for the Next function of an Enumerator
// object.
// ADsAssert(0 && "An unpermitted success code was returned.");
}
//
// Warn on error result.
//
if (FAILED(hr))
{
ADsDebugOut((
DEB_IWARN,
"WARNING: %s:%d returning",
lpstrFile,
line));
PrintHRESULT(DEB_IWARN | DEB_NOCOMPNAME, hr);
BreakOnFailed();
}
return hr;
}
//+---------------------------------------------------------------
//
// Function: CheckResult
//
// Synopsis: Issues a warning if the HRESULT indicates failure
//
// Arguments: [hr] -- the HRESULT to be checked
// [lpstrFile] -- the file where the HRESULT is being checked
// [line] -- the line in the file where the HRESULT is being checked
//
//
// History: 1-06-94 adams Error printed only on FAILURE, not also
// on non-zero success.
// 5-24-94 adams Added call to BreakOnFailed.
//
// Notes: This function should not be used directly. The RRETURN
// macro is provided for convenience.
//
//----------------------------------------------------------------
STDAPI_(void)
CheckResult(HRESULT hr, LPSTR lpstrFile, UINT line)
{
if (FAILED(hr))
{
ADsDebugOut((DEB_IWARN, "WARNING: "));
ADsDebugOutHRESULT(DEB_IWARN | DEB_NOCOMPNAME, hr);
ADsDebugOut((
DEB_IWARN | DEB_NOCOMPNAME,
" occurred at %s:%d.\n",
lpstrFile,
line));
BreakOnFailed();
}
}
#endif // DBG == 1