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wine
wine-winehq
Commits
bbdd742a
Commit
bbdd742a
authored
Mar 30, 2010
by
Alexandre Julliard
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Plain Diff
user32: Pack the NCCALCSIZE_PARAMS structure in messages to allow crossing 32/64 boundaries.
parent
eba2ec4a
Show whitespace changes
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Side-by-side
Showing
1 changed file
with
72 additions
and
21 deletions
+72
-21
message.c
dlls/user32/message.c
+72
-21
No files found.
dlls/user32/message.c
View file @
bbdd742a
...
...
@@ -157,6 +157,22 @@ struct packed_HELPINFO
POINT
MousePos
;
};
struct
packed_NCCALCSIZE_PARAMS
{
RECT
rgrc
[
3
];
ULONGLONG
__pad1
;
user_handle_t
hwnd
;
DWORD
__pad2
;
user_handle_t
hwndInsertAfter
;
DWORD
__pad3
;
INT
x
;
INT
y
;
INT
cx
;
INT
cy
;
UINT
flags
;
DWORD
__pad4
;
};
/* the structures are unpacked on top of the packed ones, so make sure they fit */
C_ASSERT
(
sizeof
(
struct
packed_CREATESTRUCTW
)
>=
sizeof
(
CREATESTRUCTW
)
);
C_ASSERT
(
sizeof
(
struct
packed_DRAWITEMSTRUCT
)
>=
sizeof
(
DRAWITEMSTRUCT
)
);
...
...
@@ -166,6 +182,7 @@ C_ASSERT( sizeof(struct packed_COMPAREITEMSTRUCT) >= sizeof(COMPAREITEMSTRUCT) )
C_ASSERT
(
sizeof
(
struct
packed_WINDOWPOS
)
>=
sizeof
(
WINDOWPOS
)
);
C_ASSERT
(
sizeof
(
struct
packed_COPYDATASTRUCT
)
>=
sizeof
(
COPYDATASTRUCT
)
);
C_ASSERT
(
sizeof
(
struct
packed_HELPINFO
)
>=
sizeof
(
HELPINFO
)
);
C_ASSERT
(
sizeof
(
struct
packed_NCCALCSIZE_PARAMS
)
>=
sizeof
(
NCCALCSIZE_PARAMS
)
+
sizeof
(
WINDOWPOS
)
);
union
packed_structs
{
...
...
@@ -177,6 +194,7 @@ union packed_structs
struct
packed_WINDOWPOS
wp
;
struct
packed_COPYDATASTRUCT
cds
;
struct
packed_HELPINFO
hi
;
struct
packed_NCCALCSIZE_PARAMS
ncp
;
};
/* description of the data fields that need to be packed along with a sent message */
...
...
@@ -818,10 +836,19 @@ static size_t pack_message( HWND hwnd, UINT message, WPARAM wparam, LPARAM lpara
}
else
{
NCCALCSIZE_PARAMS
*
nc
=
(
NCCALCSIZE_PARAMS
*
)
lparam
;
push_data
(
data
,
nc
,
sizeof
(
*
nc
)
);
push_data
(
data
,
nc
->
lppos
,
sizeof
(
*
nc
->
lppos
)
);
return
sizeof
(
*
nc
)
+
sizeof
(
*
nc
->
lppos
);
NCCALCSIZE_PARAMS
*
ncp
=
(
NCCALCSIZE_PARAMS
*
)
lparam
;
data
->
ps
.
ncp
.
rgrc
[
0
]
=
ncp
->
rgrc
[
0
];
data
->
ps
.
ncp
.
rgrc
[
1
]
=
ncp
->
rgrc
[
1
];
data
->
ps
.
ncp
.
rgrc
[
2
]
=
ncp
->
rgrc
[
2
];
data
->
ps
.
ncp
.
hwnd
=
wine_server_user_handle
(
ncp
->
lppos
->
hwnd
);
data
->
ps
.
ncp
.
hwndInsertAfter
=
wine_server_user_handle
(
ncp
->
lppos
->
hwndInsertAfter
);
data
->
ps
.
ncp
.
x
=
ncp
->
lppos
->
x
;
data
->
ps
.
ncp
.
y
=
ncp
->
lppos
->
y
;
data
->
ps
.
ncp
.
cx
=
ncp
->
lppos
->
cx
;
data
->
ps
.
ncp
.
cy
=
ncp
->
lppos
->
cy
;
data
->
ps
.
ncp
.
flags
=
ncp
->
lppos
->
flags
;
push_data
(
data
,
&
data
->
ps
.
ncp
,
sizeof
(
data
->
ps
.
ncp
)
);
return
sizeof
(
data
->
ps
.
ncp
);
}
case
WM_GETDLGCODE
:
if
(
lparam
)
push_data
(
data
,
(
MSG
*
)
lparam
,
sizeof
(
MSG
)
);
...
...
@@ -1155,9 +1182,22 @@ static BOOL unpack_message( HWND hwnd, UINT message, WPARAM *wparam, LPARAM *lpa
if
(
!*
wparam
)
minsize
=
sizeof
(
RECT
);
else
{
NCCALCSIZE_PARAMS
*
nc
=
*
buffer
;
if
(
size
<
sizeof
(
*
nc
)
+
sizeof
(
*
nc
->
lppos
))
return
FALSE
;
nc
->
lppos
=
(
WINDOWPOS
*
)(
nc
+
1
);
NCCALCSIZE_PARAMS
ncp
;
WINDOWPOS
wp
;
if
(
size
<
sizeof
(
ps
->
ncp
))
return
FALSE
;
ncp
.
rgrc
[
0
]
=
ps
->
ncp
.
rgrc
[
0
];
ncp
.
rgrc
[
1
]
=
ps
->
ncp
.
rgrc
[
1
];
ncp
.
rgrc
[
2
]
=
ps
->
ncp
.
rgrc
[
2
];
wp
.
hwnd
=
wine_server_ptr_handle
(
ps
->
ncp
.
hwnd
);
wp
.
hwndInsertAfter
=
wine_server_ptr_handle
(
ps
->
ncp
.
hwndInsertAfter
);
wp
.
x
=
ps
->
ncp
.
x
;
wp
.
y
=
ps
->
ncp
.
y
;
wp
.
cx
=
ps
->
ncp
.
cx
;
wp
.
cy
=
ps
->
ncp
.
cy
;
wp
.
flags
=
ps
->
ncp
.
flags
;
ncp
.
lppos
=
(
WINDOWPOS
*
)((
NCCALCSIZE_PARAMS
*
)
&
ps
->
ncp
+
1
);
memcpy
(
&
ps
->
ncp
,
&
ncp
,
sizeof
(
ncp
)
);
*
ncp
.
lppos
=
wp
;
}
break
;
case
WM_GETDLGCODE
:
...
...
@@ -1431,9 +1471,18 @@ static void pack_reply( HWND hwnd, UINT message, WPARAM wparam, LPARAM lparam,
push_data
(
data
,
(
RECT
*
)
lparam
,
sizeof
(
RECT
)
);
else
{
NCCALCSIZE_PARAMS
*
nc
=
(
NCCALCSIZE_PARAMS
*
)
lparam
;
push_data
(
data
,
nc
,
sizeof
(
*
nc
)
);
push_data
(
data
,
nc
->
lppos
,
sizeof
(
*
nc
->
lppos
)
);
NCCALCSIZE_PARAMS
*
ncp
=
(
NCCALCSIZE_PARAMS
*
)
lparam
;
data
->
ps
.
ncp
.
rgrc
[
0
]
=
ncp
->
rgrc
[
0
];
data
->
ps
.
ncp
.
rgrc
[
1
]
=
ncp
->
rgrc
[
1
];
data
->
ps
.
ncp
.
rgrc
[
2
]
=
ncp
->
rgrc
[
2
];
data
->
ps
.
ncp
.
hwnd
=
wine_server_user_handle
(
ncp
->
lppos
->
hwnd
);
data
->
ps
.
ncp
.
hwndInsertAfter
=
wine_server_user_handle
(
ncp
->
lppos
->
hwndInsertAfter
);
data
->
ps
.
ncp
.
x
=
ncp
->
lppos
->
x
;
data
->
ps
.
ncp
.
y
=
ncp
->
lppos
->
y
;
data
->
ps
.
ncp
.
cx
=
ncp
->
lppos
->
cx
;
data
->
ps
.
ncp
.
cy
=
ncp
->
lppos
->
cy
;
data
->
ps
.
ncp
.
flags
=
ncp
->
lppos
->
flags
;
push_data
(
data
,
&
data
->
ps
.
ncp
,
sizeof
(
data
->
ps
.
ncp
)
);
}
break
;
case
EM_GETSEL
:
...
...
@@ -1554,17 +1603,19 @@ static void unpack_reply( HWND hwnd, UINT message, WPARAM wparam, LPARAM lparam,
case
WM_NCCALCSIZE
:
if
(
!
wparam
)
memcpy
(
(
RECT
*
)
lparam
,
buffer
,
min
(
sizeof
(
RECT
),
size
));
else
{
NCCALCSIZE_PARAMS
*
nc
=
(
NCCALCSIZE_PARAMS
*
)
lparam
;
WINDOWPOS
*
wp
=
nc
->
lppos
;
memcpy
(
nc
,
buffer
,
min
(
sizeof
(
*
nc
),
size
));
if
(
size
>
sizeof
(
*
nc
))
{
size
-=
sizeof
(
*
nc
);
memcpy
(
wp
,
(
NCCALCSIZE_PARAMS
*
)
buffer
+
1
,
min
(
sizeof
(
*
wp
),
size
));
}
nc
->
lppos
=
wp
;
/* restore the original pointer */
else
if
(
size
>=
sizeof
(
ps
->
ncp
))
{
NCCALCSIZE_PARAMS
*
ncp
=
(
NCCALCSIZE_PARAMS
*
)
lparam
;
ncp
->
rgrc
[
0
]
=
ps
->
ncp
.
rgrc
[
0
];
ncp
->
rgrc
[
1
]
=
ps
->
ncp
.
rgrc
[
1
];
ncp
->
rgrc
[
2
]
=
ps
->
ncp
.
rgrc
[
2
];
ncp
->
lppos
->
hwnd
=
wine_server_ptr_handle
(
ps
->
ncp
.
hwnd
);
ncp
->
lppos
->
hwndInsertAfter
=
wine_server_ptr_handle
(
ps
->
ncp
.
hwndInsertAfter
);
ncp
->
lppos
->
x
=
ps
->
ncp
.
x
;
ncp
->
lppos
->
y
=
ps
->
ncp
.
y
;
ncp
->
lppos
->
cx
=
ps
->
ncp
.
cx
;
ncp
->
lppos
->
cy
=
ps
->
ncp
.
cy
;
ncp
->
lppos
->
flags
=
ps
->
ncp
.
flags
;
}
break
;
case
EM_GETSEL
:
...
...
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