[3/3] kernel32: In Win9x mode UnmapViewOfFile requires base address of a mapping.
Sebastian Lackner
sebastian at fds-team.de
Tue Jul 19 06:00:30 CDT 2016
From: Michael Müller <michael at fds-team.de>
Signed-off-by: Michael Müller <michael at fds-team.de>
Signed-off-by: Sebastian Lackner <sebastian at fds-team.de>
---
dlls/kernel32/virtual.c | 14 +++++++++++++-
1 file changed, 13 insertions(+), 1 deletion(-)
diff --git a/dlls/kernel32/virtual.c b/dlls/kernel32/virtual.c
index 37ab264..5733a42 100644
--- a/dlls/kernel32/virtual.c
+++ b/dlls/kernel32/virtual.c
@@ -576,7 +576,19 @@ LPVOID WINAPI MapViewOfFileEx( HANDLE handle, DWORD access,
*/
BOOL WINAPI UnmapViewOfFile( LPCVOID addr )
{
- NTSTATUS status = NtUnmapViewOfSection( GetCurrentProcess(), (void *)addr );
+ NTSTATUS status;
+
+ if (GetVersion() & 0x80000000)
+ {
+ MEMORY_BASIC_INFORMATION info;
+ if (!VirtualQuery( addr, &info, sizeof(info) ) || info.AllocationBase != addr)
+ {
+ SetLastError( ERROR_INVALID_ADDRESS );
+ return FALSE;
+ }
+ }
+
+ status = NtUnmapViewOfSection( GetCurrentProcess(), (void *)addr );
if (status) SetLastError( RtlNtStatusToDosError(status) );
return !status;
}
--
2.8.0
More information about the wine-patches
mailing list