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ole32: Add more tracing for reading and writing storage streams. 

Add more tracing for read and write operations and warn in the case of
failure.
This commit is contained in:
Robert Shearman 2006-05-03 14:48:15 +01:00 committed by Alexandre Julliard
parent 168e2fb98f
commit 8d39c80950
1 changed files with 9 additions and 0 deletions
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9
dlls/ole32/stg_stream.c
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@ -268,7 +268,10 @@ static HRESULT WINAPI StgStreamImpl_Read(
iface, pv, cb, pcbRead); iface, pv, cb, pcbRead);
if (!This->parentStorage) if (!This->parentStorage)
{
WARN("storage reverted\n");
return STG_E_REVERTED; return STG_E_REVERTED;
}
/* /*
* If the caller is not interested in the number of bytes read, * If the caller is not interested in the number of bytes read,
@ -372,6 +375,7 @@ static HRESULT WINAPI StgStreamImpl_Write(
case STGM_READWRITE: case STGM_READWRITE:
break; break;
default: default:
WARN("access denied by flags: 0x%lx\n", STGM_ACCESS_MODE(This->grfMode));
return STG_E_ACCESSDENIED; return STG_E_ACCESSDENIED;
} }
@ -379,7 +383,10 @@ static HRESULT WINAPI StgStreamImpl_Write(
return STG_E_INVALIDPOINTER; return STG_E_INVALIDPOINTER;
if (!This->parentStorage) if (!This->parentStorage)
{
WARN("storage reverted\n");
return STG_E_REVERTED; return STG_E_REVERTED;
}
/* /*
* If the caller is not interested in the number of bytes written, * If the caller is not interested in the number of bytes written,
@ -395,6 +402,7 @@ static HRESULT WINAPI StgStreamImpl_Write(
if (cb == 0) if (cb == 0)
{ {
TRACE("<-- S_OK, written 0\n");
return S_OK; return S_OK;
} }
else else
@ -441,6 +449,7 @@ static HRESULT WINAPI StgStreamImpl_Write(
*/ */
This->currentPosition.u.LowPart += *pcbWritten; This->currentPosition.u.LowPart += *pcbWritten;
TRACE("<-- S_OK, written %lu\n", *pcbWritten);
return S_OK; return S_OK;
} }