X-Git-Url: https://git.saurik.com/apple/security.git/blobdiff_plain/ed6778a32ecff23bc2dfb6ca452badd0c68774a0..563f4f96f568bcdc0a04a82f89cafe3bebbe43f1:/cdsa/cdsa_utilities/cssmalloc.cpp

diff --git a/cdsa/cdsa_utilities/cssmalloc.cpp b/cdsa/cdsa_utilities/cssmalloc.cpp
deleted file mode 100644
index 036e401c..00000000
--- a/cdsa/cdsa_utilities/cssmalloc.cpp
+++ /dev/null
@@ -1,203 +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.
- */
-
-
-//
-// cssmalloc - memory allocation in the CDSA world.
-//
-// Don't eat heavily before inspecting this code.
-//
-#include <Security/cssmalloc.h>
-#include <Security/memutils.h>
-#include <Security/globalizer.h>
-#include <Security/trackingallocator.h>
-#include <stdlib.h>
-#include <errno.h>
-
-using LowLevelMemoryUtilities::alignof;
-using LowLevelMemoryUtilities::increment;
-using LowLevelMemoryUtilities::alignUp;
-
-extern "C" size_t malloc_size(void *);
-
-
-//
-// Features of the CssmAllocator root class
-//
-bool CssmAllocator::operator == (const CssmAllocator &alloc) const throw()
-{
-	return this == &alloc;
-}
-
-CssmAllocator::~CssmAllocator()
-{
-}
-
-
-//
-// Standard CssmAllocator variants.
-// Note that all calls to CssmAllocator::standard(xxx) with the same xxx argument
-// must produce compatible allocators (i.e. they must be work on a common memory
-// pool). This is trivially achieved here by using singletons.
-//
-struct DefaultCssmAllocator : public CssmAllocator {
-	void *malloc(size_t size) throw(std::bad_alloc);
-	void free(void *addr) throw();
-	void *realloc(void *addr, size_t size) throw(std::bad_alloc);
-};
-
-struct SensitiveCssmAllocator : public DefaultCssmAllocator {
-    void free(void *addr) throw();
-    void *realloc(void *addr, size_t size) throw(std::bad_alloc);
-};
-
-struct DefaultAllocators {
-    DefaultCssmAllocator standard;
-    SensitiveCssmAllocator sensitive;
-};
-
-static ModuleNexus<DefaultAllocators> defaultAllocators;
-
-
-CssmAllocator &CssmAllocator::standard(uint32 request)
-{
-    switch (request) {
-    case normal:
-        return defaultAllocators().standard;
-    case sensitive:
-        return defaultAllocators().sensitive;
-    default:
-        CssmError::throwMe(CSSM_ERRCODE_MEMORY_ERROR);
-    }
-}
-
-void *DefaultCssmAllocator::malloc(size_t size) throw(std::bad_alloc)
-{
-	if (void *result = ::malloc(size))
-		return result;
-	throw std::bad_alloc();
-}
-
-void DefaultCssmAllocator::free(void *addr) throw()
-{
-	::free(addr);
-}
-
-void *DefaultCssmAllocator::realloc(void *addr, size_t newSize) throw(std::bad_alloc)
-{
-	if (void *result = ::realloc(addr, newSize))
-		return result;
-	throw std::bad_alloc();
-}
-
-void SensitiveCssmAllocator::free(void *addr) throw()
-{
-    memset(addr, 0, malloc_size(addr));
-    DefaultCssmAllocator::free(addr);
-}
-
-void *SensitiveCssmAllocator::realloc(void *addr, size_t newSize) throw(std::bad_alloc)
-{
-    size_t oldSize = malloc_size(addr);
-    if (newSize < oldSize)
-        memset(increment(addr, newSize), 0, oldSize - newSize);
-    return DefaultCssmAllocator::realloc(addr, newSize);
-}
-
-TrackingAllocator::~TrackingAllocator()
-{
-	AllocSet::iterator first = mAllocSet.begin(), last = mAllocSet.end();
-	for (; first != last; ++first)
-		mAllocator.free(*first);
-}
-
-//
-// CssmMemoryFunctionsAllocators
-//
-void *CssmMemoryFunctionsAllocator::malloc(size_t size) throw(std::bad_alloc)
-{ return functions.malloc(size); }
-
-void CssmMemoryFunctionsAllocator::free(void *addr) throw()
-{ return functions.free(addr); }
-
-void *CssmMemoryFunctionsAllocator::realloc(void *addr, size_t size) throw(std::bad_alloc)
-{ return functions.realloc(addr, size); }
-
-
-//
-// CssmAllocatorMemoryFunctions
-//
-CssmAllocatorMemoryFunctions::CssmAllocatorMemoryFunctions(CssmAllocator &alloc)
-{
-	AllocRef = &alloc;
-	malloc_func = relayMalloc;
-	free_func = relayFree;
-	realloc_func = relayRealloc;
-	calloc_func = relayCalloc;
-}
-
-void *CssmAllocatorMemoryFunctions::relayMalloc(size_t size, void *ref) throw(std::bad_alloc)
-{ return allocator(ref).malloc(size); }
-
-void CssmAllocatorMemoryFunctions::relayFree(void *mem, void *ref) throw()
-{ allocator(ref).free(mem); }
-
-void *CssmAllocatorMemoryFunctions::relayRealloc(void *mem, size_t size, void *ref) throw(std::bad_alloc)
-{ return allocator(ref).realloc(mem, size); }
-
-void *CssmAllocatorMemoryFunctions::relayCalloc(uint32 count, size_t size, void *ref) throw(std::bad_alloc)
-{
-	// CssmAllocator doesn't have a calloc() method
-	void *mem = allocator(ref).malloc(size * count);
-	memset(mem, 0, size * count);
-	return mem;
-}
-
-
-//
-// Memory allocators for CssmHeap objects.
-// This implementation stores a pointer to the allocator used into memory
-// *after* the object's proper storage block. This allows the usual free()
-// functions to safely free our (hidden) pointer without knowing about it.
-// An allocator argument of NULL is interpreted as the standard allocator.
-//
-void *CssmHeap::operator new (size_t size, CssmAllocator *alloc) throw(std::bad_alloc)
-{
-	if (alloc == NULL)
-		alloc = &CssmAllocator::standard();
-	size = alignUp(size, alignof<CssmAllocator *>());
-	size_t totalSize = size + sizeof(CssmAllocator *);
-	void *addr = alloc->malloc(totalSize);
-	*(CssmAllocator **)increment(addr, size) = alloc;
-	return addr;
-}
-
-void CssmHeap::operator delete (void *addr, size_t size, CssmAllocator *alloc) throw()
-{
-	alloc->free(addr);	// as per C++ std, called (only) if construction fails
-}
-
-void CssmHeap::operator delete (void *addr, size_t size) throw()
-{
-	void *end = increment(addr, alignUp(size, alignof<CssmAllocator *>()));
-	(*(CssmAllocator **)end)->free(addr);
-}
-
-
-//
-// CssmVector
-//