compat_undoc.h File Reference

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Classes
struct	_ReactOS_ShimData

Macros
#define	REACTOS_SHIMDATA_MAGIC   0xAC0DEDAB
#define	REACTOS_COMPATVERSION_UNINITIALIZED   0xfffffffe
#define	REACTOS_COMPATVERSION_IGNOREMANIFEST   0xffffffff

Typedefs
typedef struct _ReactOS_ShimData	ReactOS_ShimData

Functions
static DWORD	RosGetProcessCompatVersion (VOID)
static UINT	RosGetProcessEffectiveVersion (VOID)
BOOL WINAPI	BaseCheckAppcompatCache (_In_ PCWSTR ApplicationName, _In_ HANDLE FileHandle, _In_opt_ PCWSTR Environment, _Out_opt_ PULONG pdwReason)

Macro Definition Documentation

REACTOS_COMPATVERSION_IGNOREMANIFEST

#define REACTOS_COMPATVERSION_IGNOREMANIFEST   0xffffffff

Definition at line 17 of file compat_undoc.h.

REACTOS_COMPATVERSION_UNINITIALIZED

#define REACTOS_COMPATVERSION_UNINITIALIZED   0xfffffffe

Definition at line 16 of file compat_undoc.h.

REACTOS_SHIMDATA_MAGIC

#define REACTOS_SHIMDATA_MAGIC   0xAC0DEDAB

Definition at line 15 of file compat_undoc.h.

Typedef Documentation

ReactOS_ShimData

typedef struct _ReactOS_ShimData ReactOS_ShimData

Function Documentation

BaseCheckAppcompatCache()

BOOL WINAPI BaseCheckAppcompatCache	(	_In_ PCWSTR	ApplicationName,
		_In_ HANDLE	FileHandle,
		_In_opt_ PCWSTR	Environment,
		_Out_opt_ PULONG	pdwReason
	)

Definition at line 229 of file appcache.c.

{
    BOOL ret = FALSE;
    ULONG dwReason;
 
    DPRINT("(%S, %p, %S, %p)\n", ApplicationName, FileHandle, Environment, pdwReason);
 
    dwReason = 0;
    if (BasepShimCacheCheckBypass(ApplicationName, FileHandle, Environment, TRUE, &dwReason))
    {
        dwReason |= 2;
    }
    else
    {
        ret = BasepShimCacheLookup(ApplicationName, FileHandle);
        if (!ret)
            dwReason |= 1;
    }
 
    if (pdwReason)
        *pdwReason = dwReason;
 
    return ret;
}

Referenced by BasepCheckBadapp(), and Imm32CheckAndApplyAppCompat().

RosGetProcessCompatVersion()

static DWORD RosGetProcessCompatVersion ( VOID  )

inlinestatic

Definition at line 22 of file compat_undoc.h.

{
    static DWORD g_CompatVersion = REACTOS_COMPATVERSION_UNINITIALIZED;
    if (g_CompatVersion == REACTOS_COMPATVERSION_UNINITIALIZED)
    {
        ReactOS_ShimData* pShimData = (ReactOS_ShimData*)NtCurrentPeb()->pShimData;
        if (pShimData && pShimData->dwMagic == REACTOS_SHIMDATA_MAGIC &&
            pShimData->dwSize == sizeof(ReactOS_ShimData))
        {
            g_CompatVersion = pShimData->dwRosProcessCompatVersion;
        }
    }
    return g_CompatVersion < REACTOS_COMPATVERSION_UNINITIALIZED ? g_CompatVersion : 0;
}

Referenced by LdrpApisetVersion(), and RosGetProcessEffectiveVersion().

RosGetProcessEffectiveVersion()

static UINT RosGetProcessEffectiveVersion ( VOID  )

inlinestatic

Definition at line 39 of file compat_undoc.h.

{
    PPEB peb = NtCurrentPeb();
    UINT shimVer = RosGetProcessCompatVersion();
    if (shimVer)
        return shimVer;
    else
        return (peb->OSMajorVersion << 8) | (peb->OSMinorVersion);
}

Referenced by CDefaultContextMenu::AddStaticContextMenusToMenu(), CDefaultContextMenu::InvokeRegVerb(), SHBrowseForFolderW(), and CDefaultContextMenu::TryPickDefault().