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improved 2 defines

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svn path=/trunk/; revision=6521
This commit is contained in:
Gunnar Dalsnes 2003-11-03 20:27:51 +00:00
parent 1edc640537
commit a556f44333
1 changed files with 3 additions and 3 deletions
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6
reactos/include/ddk/mmtypes.h
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@ -1,4 +1,4 @@
/* $Id: mmtypes.h,v 1.16 2003/06/07 10:14:39 chorns Exp $ */
/* $Id: mmtypes.h,v 1.17 2003/11/03 20:27:51 gdalsnes Exp $ */
#ifndef _INCLUDE_DDK_MMTYPES_H
#define _INCLUDE_DDK_MMTYPES_H
@ -16,7 +16,7 @@
* PURPOSE: Returns the byte offset of a field within a structure
*/
#ifndef FIELD_OFFSET
#define FIELD_OFFSET(Type,Field) (LONG)(&(((Type *)(0))->Field))
#define FIELD_OFFSET(Type,Field) ((LONG)(&(((Type *)(0))->Field)))
#endif
/*
@ -28,7 +28,7 @@
* Field = Name of the field whose address is none
*/
#ifndef CONTAINING_RECORD
#define CONTAINING_RECORD(Address,Type,Field) (Type *)(((LONG)Address) - FIELD_OFFSET(Type,Field))
#define CONTAINING_RECORD(Address,Type,Field) ((Type *)(((LONG)Address) - FIELD_OFFSET(Type,Field)))
#endif