[PATCH 0/1] MR10642: shcore: Handle 64-bit position in file stream Seek().

[Nikolay Sivov (＠nsivov)]

Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=59643

-- 
https://gitlab.winehq.org/wine/wine/-/merge_requests/10642

[PATCH 1/1] shcore: Handle 64-bit position in file stream Seek().

[Nikolay Sivov]

From: Nikolay Sivov <[e-mail]>

Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=59643
---
 dlls/shcore/main.c | 10 +++-------
 1 file changed, 3 insertions(+), 7 deletions(-)

diff --git a/dlls/shcore/main.c b/dlls/shcore/main.c
index f04853cb9f5..4d9761a2be8 100644
--- a/dlls/shcore/main.c
+++ b/dlls/shcore/main.c
@@ -942,19 +942,15 @@ static HRESULT WINAPI filestream_Write(IStream *iface, const void *buff, ULONG s
 static HRESULT WINAPI filestream_Seek(IStream *iface, LARGE_INTEGER move, DWORD origin, ULARGE_INTEGER *new_pos)
 {
     struct shstream *stream = impl_from_IStream(iface);
-    DWORD position;
+    LARGE_INTEGER position;
 
     TRACE("%p, %s, %ld, %p.\n", iface, wine_dbgstr_longlong(move.QuadPart), origin, new_pos);
 
-    position = SetFilePointer(stream->u.file.handle, move.u.LowPart, NULL, origin);
-    if (position == INVALID_SET_FILE_POINTER)
+    if (!SetFilePointerEx(stream->u.file.handle, move, &position, origin))
         return HRESULT_FROM_WIN32(GetLastError());
 
     if (new_pos)
-    {
-        new_pos->u.HighPart = 0;
-        new_pos->u.LowPart = position;
-    }
+        new_pos->QuadPart = position.QuadPart;
 
     return S_OK;
 }
-- 
GitLab

https://gitlab.winehq.org/wine/wine/-/merge_requests/10642