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wine
wine-winehq
Commits
33817372
Commit
33817372
authored
Jul 01, 2002
by
Juergen Schmied
Committed by
Alexandre Julliard
Jul 01, 2002
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Plain Diff
Support for large and negative offsets.
parent
4227bf4a
Hide whitespace changes
Inline
Side-by-side
Showing
2 changed files
with
15 additions
and
38 deletions
+15
-38
hglobalstream.c
dlls/ole32/hglobalstream.c
+10
-33
ifs.c
dlls/ole32/ifs.c
+5
-5
No files found.
dlls/ole32/hglobalstream.c
View file @
33817372
...
...
@@ -33,6 +33,7 @@
#include "ole2.h"
#include "winbase.h"
#include "winerror.h"
#include "ntddk.h"
#include "wine/debug.h"
...
...
@@ -573,59 +574,35 @@ HRESULT WINAPI HGLOBALStreamImpl_Seek(
dlibMove
.
s
.
LowPart
,
dwOrigin
,
plibNewPosition
);
/*
* The caller is allowed to pass in NULL as the new position return value.
* If it happens, we assign it to a dynamic variable to avoid special cases
* in the code below.
*/
if
(
plibNewPosition
==
0
)
{
plibNewPosition
=
&
newPosition
;
}
/*
* The file pointer is moved depending on the given "function"
* parameter.
*/
switch
(
dwOrigin
)
{
case
STREAM_SEEK_SET
:
plibNewPosition
->
s
.
HighPart
=
0
;
plibNewPosition
->
s
.
LowPart
=
0
;
newPosition
.
s
.
HighPart
=
0
;
newPosition
.
s
.
LowPart
=
0
;
break
;
case
STREAM_SEEK_CUR
:
*
plibN
ewPosition
=
This
->
currentPosition
;
n
ewPosition
=
This
->
currentPosition
;
break
;
case
STREAM_SEEK_END
:
*
plibN
ewPosition
=
This
->
streamSize
;
n
ewPosition
=
This
->
streamSize
;
break
;
default:
return
STG_E_INVALIDFUNCTION
;
}
/*
* We don't support files with offsets of 64 bits.
*/
assert
(
dlibMove
.
s
.
HighPart
==
0
);
/*
* Check if we end-up before the beginning of the file. That should trigger an
* error.
*/
if
(
(
dlibMove
.
s
.
LowPart
<
0
)
&&
(
plibNewPosition
->
s
.
LowPart
<
(
ULONG
)(
-
dlibMove
.
s
.
LowPart
))
)
{
/*
* I don't know what error to send there.
*/
return
E_FAIL
;
}
/*
* Move the actual file pointer
* If the file pointer ends-up after the end of the stream, the next Write operation will
* make the file larger. This is how it is documented.
*/
plibNewPosition
->
s
.
LowPart
+=
dlibMove
.
s
.
LowPart
;
This
->
currentPosition
=
*
plibNewPosition
;
newPosition
.
QuadPart
=
RtlLargeIntegerAdd
(
newPosition
.
QuadPart
,
dlibMove
.
QuadPart
);
if
(
newPosition
.
QuadPart
<
0
)
return
STG_E_INVALIDFUNCTION
;
if
(
plibNewPosition
)
*
plibNewPosition
=
newPosition
;
This
->
currentPosition
=
newPosition
;
return
S_OK
;
}
...
...
dlls/ole32/ifs.c
View file @
33817372
...
...
@@ -260,14 +260,14 @@ typedef struct
static
HRESULT
WINAPI
IMalloc_fnQueryInterface
(
LPMALLOC
iface
,
REFIID
refiid
,
LPVOID
*
obj
)
{
ICOM_THIS
(
IMalloc32Impl
,
iface
);
TRACE
(
"(%p)->
QueryInterface
(%s,%p)
\n
"
,
This
,
debugstr_guid
(
refiid
),
obj
);
if
(
!
memcmp
(
&
IID_IUnknown
,
refiid
,
sizeof
(
IID_IUnknown
))
||
!
memcmp
(
&
IID_IMalloc
,
refiid
,
sizeof
(
IID_IMalloc
))
)
{
TRACE
(
"(%p)->(%s,%p)
\n
"
,
This
,
debugstr_guid
(
refiid
),
obj
);
if
(
IsEqualIID
(
&
IID_IUnknown
,
refiid
)
||
IsEqualIID
(
&
IID_IMalloc
,
refiid
)
)
{
*
obj
=
This
;
return
S_OK
;
}
return
OLE_E_ENUM_NOMOR
E
;
return
E_NOINTERFAC
E
;
}
/******************************************************************************
...
...
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