57 lines
1.3 KiB
C
57 lines
1.3 KiB
C
|
/*++
|
||
|
|
|
||
|
|
Copyright (c) 1997 Microsoft Corporation
|
||
|
|
|
||
|
|
Module Name:
|
||
|
|
|
||
|
|
commsg.h
|
||
|
|
|
||
|
|
Abstract:
|
||
|
|
|
||
|
|
HRESULT <-> Win32 error mapping macros.
|
||
|
|
|
||
|
|
Author:
|
||
|
|
|
||
|
|
Michael W. Thomas (michth) 24-Sep-1996
|
||
|
|
|
||
|
|
Revision History:
|
||
|
|
|
||
|
|
Keith Moore (keithmo) 07-Feb-1997
|
||
|
|
Cleanup, comment, made Metadata errors "real" HRESULTs.
|
||
|
|
|
||
|
|
--*/
|
||
|
|
|
||
|
|
|
||
|
|
#ifndef _COMMSG_H_
|
||
|
|
#define _COMMSG_H_
|
||
|
|
|
||
|
|
|
||
|
|
//
|
||
|
|
// RETURNCODETOHRESULT() maps a return code to an HRESULT. If the return
|
||
|
|
// code is a Win32 error (identified by a zero high word) then it is mapped
|
||
|
|
// using the standard HRESULT_FROM_WIN32() macro. Otherwise, the return
|
||
|
|
// code is assumed to already be an HRESULT and is returned unchanged.
|
||
|
|
//
|
||
|
|
|
||
|
|
#define RETURNCODETOHRESULT(rc) \
|
||
|
|
(((rc) < 0x10000) \
|
||
|
|
? HRESULT_FROM_WIN32(rc) \
|
||
|
|
: (rc))
|
||
|
|
|
||
|
|
|
||
|
|
//
|
||
|
|
// HRESULTTOWIN32() maps an HRESULT to a Win32 error. If the facility code
|
||
|
|
// of the HRESULT is FACILITY_WIN32, then the code portion (i.e. the
|
||
|
|
// original Win32 error) is returned. Otherwise, the original HRESULT is
|
||
|
|
// returned unchagned.
|
||
|
|
//
|
||
|
|
|
||
|
|
#define HRESULTTOWIN32(hres) \
|
||
|
|
((HRESULT_FACILITY(hres) == FACILITY_WIN32) \
|
||
|
|
? HRESULT_CODE(hres) \
|
||
|
|
: (hres))
|
||
|
|
|
||
|
|
|
||
|
|
#endif // _COMMSG_H_
|
||
|
|
|