1/*
2 * Copyright (c) 2000-2004,2006 Apple Computer, Inc. All Rights Reserved.
3 *
4 * @APPLE_LICENSE_HEADER_START@
5 *
6 * This file contains Original Code and/or Modifications of Original Code
7 * as defined in and that are subject to the Apple Public Source License
8 * Version 2.0 (the 'License'). You may not use this file except in
9 * compliance with the License. Please obtain a copy of the License at
10 * http://www.opensource.apple.com/apsl/ and read it before using this
11 * file.
12 *
13 * The Original Code and all software distributed under the License are
14 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
15 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
16 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
18 * Please see the License for the specific language governing rights and
19 * limitations under the License.
20 *
21 * @APPLE_LICENSE_HEADER_END@
22 */
23
24
25//
26// cssmalloc - memory allocation in the CDSA world.
27//
28// Don't eat heavily before inspecting this code.
29//
30#include <security_cdsa_utilities/cssmalloc.h>
31#include <stdlib.h>
32#include <errno.h>
33
34
35
36namespace Security {
37
38
39//
40// CssmMemoryFunctionsAllocators
41//
42void *CssmMemoryFunctionsAllocator::malloc(size_t size) throw(std::bad_alloc)
43{ return functions.malloc(size); }
44
45void CssmMemoryFunctionsAllocator::free(void *addr) throw()
46{ return functions.free(addr); }
47
48void *CssmMemoryFunctionsAllocator::realloc(void *addr, size_t size) throw(std::bad_alloc)
49{ return functions.realloc(addr, size); }
50
51
52//
53// CssmAllocatorMemoryFunctions
54//
55CssmAllocatorMemoryFunctions::CssmAllocatorMemoryFunctions(Allocator &alloc)
56{
57	AllocRef = &alloc;
58	malloc_func = relayMalloc;
59	free_func = relayFree;
60	realloc_func = relayRealloc;
61	calloc_func = relayCalloc;
62}
63
64void *CssmAllocatorMemoryFunctions::relayMalloc(size_t size, void *ref) throw(std::bad_alloc)
65{ return allocator(ref).malloc(size); }
66
67void CssmAllocatorMemoryFunctions::relayFree(void *mem, void *ref) throw()
68{ allocator(ref).free(mem); }
69
70void *CssmAllocatorMemoryFunctions::relayRealloc(void *mem, size_t size, void *ref) throw(std::bad_alloc)
71{ return allocator(ref).realloc(mem, size); }
72
73void *CssmAllocatorMemoryFunctions::relayCalloc(uint32 count, size_t size, void *ref) throw(std::bad_alloc)
74{
75	// Allocator doesn't have a calloc() method
76	void *mem = allocator(ref).malloc(size * count);
77	memset(mem, 0, size * count);
78	return mem;
79}
80
81
82//
83// CssmVector
84//
85
86
87}   // namespace Security
88