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Shared reading of storage files requires STGM_TRANSACTED.

This commit is contained in:
Mike McCormack 2005-03-09 11:44:59 +00:00 committed by Alexandre Julliard
parent 55559aa3f7
commit 6f2f76c410
2 changed files with 45 additions and 28 deletions
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48
dlls/ole32/storage32.c
View File

@ -5426,7 +5426,7 @@ HRESULT WINAPI StgCreateDocfile(
{
StorageImpl* newStorage = 0;
HANDLE hFile = INVALID_HANDLE_VALUE;
HRESULT hr = S_OK;
HRESULT hr = STG_E_INVALIDFLAG;
DWORD shareMode;
DWORD accessMode;
DWORD creationMode;
@ -5449,7 +5449,7 @@ HRESULT WINAPI StgCreateDocfile(
* Validate the STGM flags
*/
if ( FAILED( validateSTGM(grfMode) ))
return STG_E_INVALIDFLAG;
goto end;
/* StgCreateDocFile always opens for write */
switch(STGM_ACCESS_MODE(grfMode))
@ -5458,7 +5458,7 @@ HRESULT WINAPI StgCreateDocfile(
case STGM_READWRITE:
break;
default:
return STG_E_INVALIDFLAG;
goto end;
}
/* can't share write */
@ -5468,22 +5468,13 @@ HRESULT WINAPI StgCreateDocfile(
case STGM_SHARE_DENY_WRITE:
break;
default:
return STG_E_INVALIDFLAG;
goto end;
}
/* need to create in transacted mode */
if( STGM_CREATE_MODE(grfMode) == STGM_CREATE &&
/* shared reading requires transacted mode */
if( STGM_SHARE_MODE(grfMode) == STGM_SHARE_DENY_WRITE &&
!(grfMode&STGM_TRANSACTED) )
return STG_E_INVALIDFLAG;
/*
* Write only access only works in create mode.
* I guess we need read access to read in the old file if there is one.
*/
if( STGM_ACCESS_MODE(grfMode) == STGM_WRITE &&
STGM_SHARE_MODE(grfMode) == STGM_SHARE_DENY_WRITE &&
STGM_CREATE_MODE(grfMode) != STGM_CREATE )
return STG_E_INVALIDFLAG;
goto end;
/*
* Generate a unique name.
@ -5494,7 +5485,7 @@ HRESULT WINAPI StgCreateDocfile(
static const WCHAR prefix[] = { 'S', 'T', 'O', 0 };
if (STGM_SHARE_MODE(grfMode) == STGM_SHARE_EXCLUSIVE)
return STG_E_INVALIDFLAG;
goto end;
memset(tempPath, 0, sizeof(tempPath));
memset(tempFileName, 0, sizeof(tempFileName));
@ -5505,7 +5496,10 @@ HRESULT WINAPI StgCreateDocfile(
if (GetTempFileNameW(tempPath, prefix, 0, tempFileName) != 0)
pwcsName = tempFileName;
else
return STG_E_INSUFFICIENTMEMORY;
{
hr = STG_E_INSUFFICIENTMEMORY;
goto end;
}
creationMode = TRUNCATE_EXISTING;
}
@ -5544,8 +5538,10 @@ HRESULT WINAPI StgCreateDocfile(
if (hFile == INVALID_HANDLE_VALUE)
{
if(GetLastError() == ERROR_FILE_EXISTS)
return STG_E_FILEALREADYEXISTS;
return E_FAIL;
hr = STG_E_FILEALREADYEXISTS;
else
hr = E_FAIL;
goto end;
}
/*
@ -5554,7 +5550,10 @@ HRESULT WINAPI StgCreateDocfile(
newStorage = HeapAlloc(GetProcessHeap(), 0, sizeof(StorageImpl));
if (newStorage == 0)
return STG_E_INSUFFICIENTMEMORY;
{
hr = STG_E_INSUFFICIENTMEMORY;
goto end;
}
hr = StorageImpl_Construct(
newStorage,
@ -5568,7 +5567,7 @@ HRESULT WINAPI StgCreateDocfile(
if (FAILED(hr))
{
HeapFree(GetProcessHeap(), 0, newStorage);
return hr;
goto end;
}
/*
@ -5578,6 +5577,8 @@ HRESULT WINAPI StgCreateDocfile(
(IStorage*)newStorage,
(REFIID)&IID_IStorage,
(void**)ppstgOpen);
end:
TRACE("<-- %p r = %08lx\n", *ppstgOpen, hr);
return hr;
}
@ -6186,7 +6187,6 @@ static DWORD GetAccessModeFromSTGM(DWORD stgm)
case STGM_READ:
return GENERIC_READ;
case STGM_WRITE:
return GENERIC_WRITE;
case STGM_READWRITE:
return GENERIC_READ | GENERIC_WRITE;
}
@ -6884,7 +6884,7 @@ HRESULT WINAPI ReadFmtUserTypeStg (LPSTORAGE pstg, CLIPFORMAT* pcf, LPOLESTR* lp
STGM_READ | STGM_SHARE_EXCLUSIVE, 0, &stm );
if( FAILED ( r ) )
{
ERR("Failed to open stream\n");
WARN("Failed to open stream r = %08lx\n", r);
return r;
}

23
dlls/ole32/tests/storage32.c
View File

@ -153,8 +153,9 @@ void test_create_storage_modes(void)
ok(r==STG_E_FILEALREADYEXISTS, "StgCreateDocfile wrong error\n");
r = StgCreateDocfile( filename, STGM_SHARE_EXCLUSIVE | STGM_WRITE, 0, &stg);
ok(r==STG_E_FILEALREADYEXISTS, "StgCreateDocfile wrong error\n");
/*ok(DeleteFileW(filename), "failed to delete file\n"); */
r = StgCreateDocfile( filename, STGM_CREATE | STGM_SHARE_DENY_WRITE | STGM_READWRITE, 0, &stg);
ok(r==STG_E_INVALIDFLAG, "StgCreateDocfile succeeded\n");
r = StgCreateDocfile( filename, STGM_CREATE | STGM_SHARE_EXCLUSIVE | STGM_READWRITE |STGM_TRANSACTED, 0, &stg);
ok(r==S_OK, "StgCreateDocfile failed\n");
r = IStorage_Release(stg);
@ -162,7 +163,6 @@ void test_create_storage_modes(void)
ok(DeleteFileW(filename), "failed to delete file\n");
/* test the way excel uses StgCreateDocFile */
r = StgCreateDocfile( filename, STGM_TRANSACTED|STGM_CREATE|STGM_SHARE_DENY_WRITE|STGM_READWRITE, 0, &stg);
ok(r==S_OK, "StgCreateDocfile the excel way failed\n");
@ -183,6 +183,24 @@ void test_create_storage_modes(void)
ok(DeleteFileW(filename), "failed to delete file\n");
}
r = StgCreateDocfile( filename, STGM_TRANSACTED|STGM_CREATE|STGM_SHARE_DENY_WRITE|STGM_WRITE, 0, &stg);
ok(r==S_OK, "StgCreateDocfile the excel way failed\n");
if(r == S_OK)
{
r = IStorage_Release(stg);
ok(r == 0, "storage not released\n");
ok(DeleteFileW(filename), "failed to delete file\n");
}
r = StgCreateDocfile( filename, STGM_CREATE | STGM_SHARE_EXCLUSIVE | STGM_READWRITE, 0, &stg);
ok(r==S_OK, "StgCreateDocfile the powerpoint way failed\n");
if(r == S_OK)
{
r = IStorage_Release(stg);
ok(r == 0, "storage not released\n");
ok(DeleteFileW(filename), "failed to delete file\n");
}
/* test the way msi uses StgCreateDocfile */
r = StgCreateDocfile( filename, STGM_DIRECT | STGM_READWRITE | STGM_SHARE_EXCLUSIVE, 0, &stg);
ok(r==S_OK, "StgCreateDocFile failed\n");
@ -454,7 +472,6 @@ void test_storage_suminfo(void)
ok(r == STG_E_FILENOTFOUND, "open failed\n");
if(r == S_OK)
IPropertyStorage_Release(ps);
printf("r = %08lx\n",r);
r = IPropertySetStorage_Release( propset );
ok(r == 1, "ref count wrong\n");