Security-222.tar.gz

[apple/security.git] / cdsa / cdsa_utilities / memutils.h

diff --git a/cdsa/cdsa_utilities/memutils.h b/cdsa/cdsa_utilities/memutils.h
deleted file mode 100644 (file)
index ff7e10a..0000000
--- a/cdsa/cdsa_utilities/memutils.h
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@@ -1,110 +0,0 @@
-/*
- * Copyright (c) 2000-2001 Apple Computer, Inc. All Rights Reserved.
- * 
- * The contents of this file constitute Original Code as defined in and are
- * subject to the Apple Public Source License Version 1.2 (the 'License').
- * You may not use this file except in compliance with the License. Please obtain
- * a copy of the License at http://www.apple.com/publicsource and read it before
- * using this file.
- * 
- * This Original Code and all software distributed under the License are
- * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS
- * OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, INCLUDING WITHOUT
- * LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
- * PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. Please see the License for the
- * specific language governing rights and limitations under the License.
- */
-
-
-//
-// memutils - memory-related low-level utilities for easier living
-//
-#ifndef _H_MEMUTILS
-#define _H_MEMUTILS
-
-#include <Security/utilities.h>
-#include <stdlib.h>
-#include <algorithm>
-
-
-namespace Security
-{
-
-//
-// Encapsulate these very sharp tools in a separate namespace
-//
-namespace LowLevelMemoryUtilities
-{
-
-
-//
-// The default system alignment.
-// @@@ We should really get this from somewhere... probably from utility_config.h.
-//
-static const size_t systemAlignment = 4;
-typedef UInt32 PointerInt;
-
-
-//
-// Get the local alignment for a type.
-//
-template <class T>
-inline size_t alignof() { struct { char c; T t; } s; return sizeof(s) - sizeof(T); }
-
-
-//
-// Round up a size or pointer to an alignment boundary.
-// Alignment must be a power of two; default is default alignment.
-//
-inline size_t alignUp(size_t size, size_t alignment = systemAlignment)
-{
-       return ((size - 1) & ~(alignment - 1)) + alignment;
-}
-
-inline void *alignUp(void *p, size_t alignment = systemAlignment)
-{
-       return reinterpret_cast<void *>(alignUp(PointerInt(p), alignment));
-}
-
-inline const void *alignUp(const void *p, size_t alignment = systemAlignment)
-{
-       return reinterpret_cast<const void *>(alignUp(PointerInt(p), alignment));
-}
-
-template <class T>
-inline const T *increment(const void *p, ptrdiff_t offset)
-{ return reinterpret_cast<const T *>(PointerInt(p) + offset); }
-
-template <class T>
-inline T *increment(void *p, ptrdiff_t offset)
-{ return reinterpret_cast<T *>(PointerInt(p) + offset); }
-
-inline const void *increment(const void *p, ptrdiff_t offset)
-{ return increment<const void>(p, offset); }
-
-inline void *increment(void *p, ptrdiff_t offset)
-{ return increment<void>(p, offset); }
-
-template <class T>
-inline const T *increment(const void *p, ptrdiff_t offset, size_t alignment)
-{ return increment<const T>(alignUp(p, alignment), offset); }
-
-template <class T>
-inline T *increment(void *p, ptrdiff_t offset, size_t alignment)
-{ return increment<T>(alignUp(p, alignment), offset); }
-
-inline const void *increment(const void *p, ptrdiff_t offset, size_t alignment)
-{ return increment<const void>(p, offset, alignment); }
-
-inline void *increment(void *p, ptrdiff_t offset, size_t alignment)
-{ return increment<void>(p, offset, alignment); }
-
-inline ptrdiff_t difference(const void *p1, const void *p2)
-{ return PointerInt(p1) - PointerInt(p2); }
-
-
-} // end namespace LowLevelMemoryUtilities
-
-} // end namespace Security
-
-#endif //_H_MEMUTILS