[PATCH v5 0/2] MR4812: user32: Fix the number of characters processed by DrawTextExW.

[JiangYi Chen (＠meshine)]

Description:
    When flags does not include DT_CALCRECT, since len is calculated in the middle,
    it will be reduced to zero. Resulting in the length of the processed string that
    is finally returned to zero and the non-processing string length is unchanged.
    But some application taking the non-processing string length to zero as the loop
    end condition.

Log:

Signed-off-by: chenjiangyi 
Change-Id: Icc0f250f5f4faba1bee8326fc911a4fc9cd7c012

--
  v5: user32: Fix the number of characters processed by DrawTextExW.
      user32/tests: Add tests for DrawTextExW.

https://gitlab.winehq.org/wine/wine/-/merge_requests/4812