[WIN32K] Workaround for broken/retarded (on non-x86) FLOATOBJ_GetFloat

The official definition in winddi.h always returns the result in an ULONG. This works to assign to a FLOATL on x86, which is also an ULONG, but it doesn't work on any other architecture, where FLOATL is actually a FLOAT, so the assignment would convert the ULONG encoding of the FLOAT to an actual float, which gives broken results. Work around this by simply replacing the definition with a sane one in win32k.
This commit is contained in:
Timo Kreuzer 2022-12-03 15:00:28 +02:00
parent a206b55838
commit 9762ef9480

View File

@ -74,6 +74,12 @@ typedef struct _SECURITY_ATTRIBUTES SECURITY_ATTRIBUTES, *LPSECURITY_ATTRIBUTES;
/* SEH support with PSEH */
#include <pseh/pseh2.h>
/* The native x64 definition of FLOATOBJ_GetFloat in winddi.h is retarded. Use this instead. */
#ifndef _M_IX86
#undef FLOATOBJ_GetFloat
#define FLOATOBJ_GetFloat(pf) (*(pf))
#endif
#ifdef __cplusplus
extern "C" {
#endif