Implemented GetFileSizeEx (based on a patch by Steve Lustbader).

dlls/kernel/kernel32.spec

@@ -366,6 +366,7 @@
 @ stdcall GetFileAttributesW(wstr) GetFileAttributesW
 @ stdcall GetFileInformationByHandle(long ptr) GetFileInformationByHandle
 @ stdcall GetFileSize(long ptr) GetFileSize
+@ stdcall GetFileSizeEx(long ptr) GetFileSizeEx
 @ stdcall GetFileTime(long ptr ptr ptr) GetFileTime
 @ stdcall GetFileType(long) GetFileType
 @ stdcall GetFullPathNameA(str long ptr ptr) GetFullPathNameA

files/file.c

@@ -998,6 +998,31 @@ DWORD WINAPI GetFileSize( HANDLE hFile, LPDWORD filesizehigh )
 
 
 /***********************************************************************
+ *           GetFileSizeEx   (KERNEL32.@)
+ */
+BOOL WINAPI GetFileSizeEx( HANDLE hFile, PLARGE_INTEGER lpFileSize )
+{
+    BY_HANDLE_FILE_INFORMATION info;
+
+    if (!lpFileSize)
+    {
+        SetLastError( ERROR_INVALID_PARAMETER );
+        return FALSE;
+    }
+
+    if (!GetFileInformationByHandle( hFile, &info ))
+    {
+        return FALSE;
+    }
+
+    lpFileSize->s.LowPart = info.nFileSizeLow;
+    lpFileSize->s.HighPart = info.nFileSizeHigh;
+
+    return TRUE;
+}
+
+
+/***********************************************************************
  *           GetFileTime   (KERNEL32.@)
  */
 BOOL WINAPI GetFileTime( HANDLE hFile, FILETIME *lpCreationTime,

include/winbase.h

@@ -1304,6 +1304,7 @@ BOOL        WINAPI GetFileSecurityA(LPCSTR,SECURITY_INFORMATION,PSECURITY_DESCRI
 BOOL        WINAPI GetFileSecurityW(LPCWSTR,SECURITY_INFORMATION,PSECURITY_DESCRIPTOR,DWORD,LPDWORD);
 #define     GetFileSecurity WINELIB_NAME_AW(GetFileSecurity)
 DWORD       WINAPI GetFileSize(HANDLE,LPDWORD);
+BOOL        WINAPI GetFileSizeEx(HANDLE,PLARGE_INTEGER);
 BOOL        WINAPI GetFileTime(HANDLE,LPFILETIME,LPFILETIME,LPFILETIME);
 DWORD       WINAPI GetFileType(HANDLE);
 DWORD       WINAPI GetFullPathNameA(LPCSTR,DWORD,LPSTR,LPSTR*);