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memry.cpp
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1 /**********************************************************************
2 * File: memry.c (Formerly memory.c)
3 * Description: Memory allocation with builtin safety checks.
4 * Author: Ray Smith
5 * Created: Wed Jan 22 09:43:33 GMT 1992
6 *
7 * (C) Copyright 1992, Hewlett-Packard Ltd.
8 ** Licensed under the Apache License, Version 2.0 (the "License");
9 ** you may not use this file except in compliance with the License.
10 ** You may obtain a copy of the License at
11 ** http://www.apache.org/licenses/LICENSE-2.0
12 ** Unless required by applicable law or agreed to in writing, software
13 ** distributed under the License is distributed on an "AS IS" BASIS,
14 ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 ** See the License for the specific language governing permissions and
16 ** limitations under the License.
17 *
18 **********************************************************************/
19
20 #include "mfcpch.h"
21 #include "memry.h"
22 #include <stdlib.h>
23
24 // With improvements in OS memory allocators, internal memory management
25 // is no longer required, so all these functions now map to their malloc
26 // family equivalents.
27
28 // TODO(rays) further cleanup by redirecting calls to new and creating proper
29 // constructors.
30
31 char *alloc_string(inT32 count) {
32 // Round up the amount allocated to a multiple of 4
33 return static_cast<char*>(malloc((count + 3) & ~3));
34 }
35
36 void free_string(char *string) {
37 free(string);
38 }
39
40 void* alloc_struct(inT32 count, const char *) {
41 return malloc(count);
42 }
43
44 void free_struct(void *deadstruct, inT32, const char *) {
45 free(deadstruct);
46 }
47
48 void *alloc_mem(inT32 count) {
49 return malloc(static_cast<size_t>(count));
50 }
51
52 void *alloc_big_zeros(inT32 count) {
53 return calloc(static_cast<size_t>(count), 1);
54 }
55
56 void free_mem(void *oldchunk) {
57 free(oldchunk);
58 }
59
60 void free_big_mem(void *oldchunk) {
61 free(oldchunk);
62 }