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include: Declare _STGMEDIUM_UNION type except when it violates C spec. 

Fixes a regression introduced by 732f67ed38
Based on a patch from Zebediah Figura <z.figura12@gmail.com>

Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=47710
Signed-off-by: Jeff Smith <whydoubt@gmail.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Jeff Smith 2019-12-22 23:56:36 -06:00 committed by Alexandre Julliard
parent 94675cd8e3
commit 6cfda676f7
1 changed files with 11 additions and 1 deletions
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12
include/objidl.idl
View File

@ -1426,8 +1426,14 @@ interface IAdviseSink : IUnknown
default: wireHGLOBAL hGeneric;
} GDI_OBJECT;
/* When NONAMELESSUNION is not defined, the presence of _STGMEDIUM_UNION
* violates the C spec, but is necessary for C++. Avoid C spec violation. */
cpp_quote("#if !defined(NONAMELESSUNION) && !defined(__cplusplus)")
cpp_quote("#define _STGMEDIUM_UNION")
cpp_quote("#endif")
typedef struct _userSTGMEDIUM {
union switch(DWORD tymed) u {
union _STGMEDIUM_UNION switch(DWORD tymed) u {
case TYMED_NULL: ;
case TYMED_MFPICT: wireHMETAFILEPICT hMetaFilePict;
case TYMED_ENHMF: wireHENHMETAFILE hHEnhMetaFile;
@ -1440,6 +1446,10 @@ interface IAdviseSink : IUnknown
IUnknown *pUnkForRelease;
} userSTGMEDIUM;
cpp_quote("#if !defined(NONAMELESSUNION) && !defined(__cplusplus)")
cpp_quote("#undef _STGMEDIUM_UNION")
cpp_quote("#endif")
typedef [unique] userSTGMEDIUM *wireSTGMEDIUM;
typedef [wire_marshal(wireSTGMEDIUM)] uSTGMEDIUM STGMEDIUM;