New subject: [Bug 48577] DISPLAYCONFIG_VIDEO_OUTPUT_TECHNOLOGY and other enums are the wrong size

7 Feb 2020


      https://bugs.winehq.org/show_bug.cgi?id=48577
Bug ID: 48577
           Summary: DISPLAYCONFIG_VIDEO_OUTPUT_TECHNOLOGY and other enums
                    are the wrong size
           Product: Wine
           Version: 5.1
          Hardware: x86
                OS: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: user32
          Assignee: wine-bugs@winehq.org
          Reporter: bshanks@codeweavers.com
      Distribution: ---
When building for 64-bit with MinGW or MSVC,
sizeof(DISPLAYCONFIG_VIDEO_OUTPUT_TECHNOLOGY)=4.
But when building against Wine headers,
sizeof(DISPLAYCONFIG_VIDEO_OUTPUT_TECHNOLOGY)=8.
It seems that when gcc/clang finds constants too large to be represented by a
signed int, like 'DISPLAYCONFIG_OUTPUT_TECHNOLOGY_INTERNAL = 0x80000000', it
increases the enum size to match, but MSVC doesn't.
This was tracked a few years ago in MinGW bug #456
https://sourceforge.net/p/mingw-w64/bugs/456/ and fixed by casting the
constants to int:
https://sourceforge.net/p/mingw-w64/mingw-w64/ci/5d61ecd2d087a3a1bdaa9db90270ae0eac121db0/
tomConstants in tom.h and RecordCreateOptionsEnum in adoint_backcompat.h were
also fixed in the same commit, and I can confirm those are also the wrong size
in Wine's headers. There may be other enums that need to be fixed though.
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[Bug 48577] New: DISPLAYCONFIG_VIDEO_OUTPUT_TECHNOLOGY and other enums are the wrong size