X-Git-Url: https://git.saurik.com/apple/security.git/blobdiff_plain/80e2389990082500d76eb566d4946be3e786c3ef..d8f41ccd20de16f8ebe2ccc84d47bf1cb2b26bbb:/libsecurity_utilities/lib/memstreams.h

diff --git a/libsecurity_utilities/lib/memstreams.h b/libsecurity_utilities/lib/memstreams.h
deleted file mode 100644
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--- a/libsecurity_utilities/lib/memstreams.h
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@@ -1,168 +0,0 @@
-/*
- * Copyright (c) 2000-2004 Apple Computer, Inc. All Rights Reserved.
- * 
- * @APPLE_LICENSE_HEADER_START@
- * 
- * This file contains Original Code and/or Modifications of Original Code
- * as defined in and that are subject to the Apple Public Source License
- * Version 2.0 (the 'License'). You may not use this file except in
- * compliance with the License. Please obtain a copy of the License at
- * http://www.opensource.apple.com/apsl/ and read it before using this
- * file.
- * 
- * The 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.
- * 
- * @APPLE_LICENSE_HEADER_END@
- */
-
-
-//
-// memstreams - primitive memory block streaming support
-//
-#ifndef _H_MEMSTREAMS
-#define _H_MEMSTREAMS
-
-#include <stdint.h>
-#include <security_utilities/memutils.h>
-#include <security_utilities/endian.h>
-#include <security_utilities/errors.h>
-
-
-namespace Security
-{
-
-//
-// Encapsulate these very sharp tools in a separate namespace
-//
-namespace LowLevelMemoryUtilities
-{
-
-
-//
-// A simple utility for incremental creation of a contiguous memory block.
-//
-// Note that Writer and Writer::Counter go together. They use the same alignment
-// and padding rules, so Writer::Counter will correctly calculate total buffer
-// size for Writer, *presuming* that they are called in the same order.
-//
-// This layer allocates no memory; that's up to the caller (you).
-//
-// WARNING: There is no check for overflow. If you write too much, you will die.
-// Writer::Counter can tell you how much you need.
-//
-class Writer {
-private:
-	void *advance(size_t size)
-	{
-		void *here = alignUp(writePos);
-		writePos = increment(here, size);
-		return here;
-	}
-    
-public:    
-	Writer() { }
-	Writer(void *base) : writePos(base) { }
-	void operator = (void *base) { writePos = base; }
-
-	template <class T>
-	T *operator () (const T &obj)
-	{ T *here = (T *)advance(sizeof(T)); *here = obj; return here; }
-
-	void *operator () (const void *addr, size_t size)
-	{ void *here = advance(size); return memcpy(here, addr, size); }
-
-	char *operator () (const char *s)
-	{ return (char *)(*this)(s, strlen(s) + 1); }
-	
-	void countedData(const void *data, size_t length)
-	{ 
-        if (length > uint32_t(~0))
-            UnixError::throwMe(ERANGE);
-        Endian<uint32_t> temp = (uint32_t)length; (*this)(temp); (*this)(data, length); 
-    }
-	
-	template <class Data>
-	void countedData(const Data &data)
-	{ countedData(data.data(), data.length()); }
-
-	class Counter;
-
-private:
-	void *writePos;			// next byte address
-};
-
-class Writer::Counter {
-private:
-	void align() { totalSoFar = alignUp(totalSoFar); }
-
-public:
-	Counter() : totalSoFar(0) { }
-	operator size_t () { return totalSoFar; }
-
-	template <class T> size_t operator () (const T &) { align(); return totalSoFar += sizeof(T); }
-	size_t insert(size_t size) { align(); return totalSoFar += size; }
-	size_t operator () (const char *s) { align(); return totalSoFar += strlen(s) + 1; }
-	
-	void countedData(const void *, size_t length)
-	{ insert(sizeof(length)); insert(length); }
-	
-	template <class Data>
-	void countedData(const Data &data)
-	{ countedData(data.data(), data.length()); }
-
-private:
-	size_t totalSoFar;	// total size counted so far
-};
-
-
-//
-// The Reader counter-part for a Writer.
-// Again, Reader and Writer share alignment and representation rules, so what was
-// Written shall be Read again, just fine.
-//
-class Reader {
-private:
-    const void *advance(size_t size = 0)
-    {
-        const void *here = alignUp(readPos);
-        readPos = increment(here, size);
-        return here;
-    }
-
-public:
-    Reader() { }
-    Reader(const void *base) : readPos(base) { }
-    void operator = (const void *base) { readPos = base; }
-    
-    template <class T>
-    void operator () (T &obj) {	obj = *reinterpret_cast<const T *>(advance(sizeof(T))); }
-    void operator () (void *addr, size_t size)	{ memcpy(addr, advance(size), size); }
-    void operator () (const char * &s)
-    { s = reinterpret_cast<const char *>(advance()); advance(strlen(s) + 1); }
-    template <class T>
-    const T *get(size_t size)
-	{ return reinterpret_cast<const T *>(advance(size)); }
-	
-	void countedData(const void * &data, size_t &length)
-	{ Endian<uint32_t> temp; (*this)(temp); length = temp; data = advance(length); }
-
-private:
-	// Explicitly forbid some invocations that are likely to be wrong.
-	void operator () (char * &s);	// can't get writable string in-place
-    
-private:
-    const void *readPos;	// next byte address
-};
-
-
-} // end namespace LowLevelMemoryUtilities
-
-} // end namespace Security
-
-#endif //_H_MEMUTILS