ucx/allocator.c

Mon, 22 May 2023 16:17:26 +0200

author
Olaf Wintermann <olaf.wintermann@gmail.com>
date
Mon, 22 May 2023 16:17:26 +0200
branch
newapi
changeset 174
0358f1d9c506
child 187
24ce2c326d85
permissions
-rw-r--r--

upgrade ucx

174
0358f1d9c506 upgrade ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
1 /*
0358f1d9c506 upgrade ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
0358f1d9c506 upgrade ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
3 *
0358f1d9c506 upgrade ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
4 * Copyright 2021 Mike Becker, Olaf Wintermann All rights reserved.
0358f1d9c506 upgrade ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
5 *
0358f1d9c506 upgrade ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
6 * Redistribution and use in source and binary forms, with or without
0358f1d9c506 upgrade ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
7 * modification, are permitted provided that the following conditions are met:
0358f1d9c506 upgrade ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
8 *
0358f1d9c506 upgrade ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
9 * 1. Redistributions of source code must retain the above copyright
0358f1d9c506 upgrade ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
10 * notice, this list of conditions and the following disclaimer.
0358f1d9c506 upgrade ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
11 *
0358f1d9c506 upgrade ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
12 * 2. Redistributions in binary form must reproduce the above copyright
0358f1d9c506 upgrade ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
13 * notice, this list of conditions and the following disclaimer in the
0358f1d9c506 upgrade ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
14 * documentation and/or other materials provided with the distribution.
0358f1d9c506 upgrade ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
15 *
0358f1d9c506 upgrade ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
0358f1d9c506 upgrade ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
0358f1d9c506 upgrade ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
0358f1d9c506 upgrade ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
0358f1d9c506 upgrade ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
0358f1d9c506 upgrade ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
0358f1d9c506 upgrade ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
0358f1d9c506 upgrade ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
0358f1d9c506 upgrade ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
0358f1d9c506 upgrade ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
0358f1d9c506 upgrade ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
26 * POSSIBILITY OF SUCH DAMAGE.
0358f1d9c506 upgrade ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
27 */
0358f1d9c506 upgrade ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
28
0358f1d9c506 upgrade ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
29 #include "cx/allocator.h"
0358f1d9c506 upgrade ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
30
0358f1d9c506 upgrade ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
31 __attribute__((__malloc__, __alloc_size__(2)))
0358f1d9c506 upgrade ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
32 static void *cx_malloc_stdlib(
0358f1d9c506 upgrade ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
33 __attribute__((__unused__)) void *d,
0358f1d9c506 upgrade ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
34 size_t n
0358f1d9c506 upgrade ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
35 ) {
0358f1d9c506 upgrade ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
36 return malloc(n);
0358f1d9c506 upgrade ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
37 }
0358f1d9c506 upgrade ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
38
0358f1d9c506 upgrade ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
39 __attribute__((__warn_unused_result__, __alloc_size__(3)))
0358f1d9c506 upgrade ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
40 static void *cx_realloc_stdlib(
0358f1d9c506 upgrade ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
41 __attribute__((__unused__)) void *d,
0358f1d9c506 upgrade ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
42 void *mem,
0358f1d9c506 upgrade ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
43 size_t n
0358f1d9c506 upgrade ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
44 ) {
0358f1d9c506 upgrade ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
45 return realloc(mem, n);
0358f1d9c506 upgrade ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
46 }
0358f1d9c506 upgrade ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
47
0358f1d9c506 upgrade ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
48 __attribute__((__malloc__, __alloc_size__(2, 3)))
0358f1d9c506 upgrade ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
49 static void *cx_calloc_stdlib(
0358f1d9c506 upgrade ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
50 __attribute__((__unused__)) void *d,
0358f1d9c506 upgrade ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
51 size_t nelem,
0358f1d9c506 upgrade ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
52 size_t n
0358f1d9c506 upgrade ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
53 ) {
0358f1d9c506 upgrade ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
54 return calloc(nelem, n);
0358f1d9c506 upgrade ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
55 }
0358f1d9c506 upgrade ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
56
0358f1d9c506 upgrade ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
57 __attribute__((__nonnull__))
0358f1d9c506 upgrade ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
58 static void cx_free_stdlib(
0358f1d9c506 upgrade ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
59 __attribute__((__unused__)) void *d,
0358f1d9c506 upgrade ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
60 void *mem
0358f1d9c506 upgrade ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
61 ) {
0358f1d9c506 upgrade ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
62 free(mem);
0358f1d9c506 upgrade ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
63 }
0358f1d9c506 upgrade ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
64
0358f1d9c506 upgrade ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
65 static cx_allocator_class cx_default_allocator_class = {
0358f1d9c506 upgrade ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
66 cx_malloc_stdlib,
0358f1d9c506 upgrade ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
67 cx_realloc_stdlib,
0358f1d9c506 upgrade ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
68 cx_calloc_stdlib,
0358f1d9c506 upgrade ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
69 cx_free_stdlib
0358f1d9c506 upgrade ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
70 };
0358f1d9c506 upgrade ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
71
0358f1d9c506 upgrade ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
72 struct cx_allocator_s cx_default_allocator = {
0358f1d9c506 upgrade ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
73 &cx_default_allocator_class,
0358f1d9c506 upgrade ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
74 NULL
0358f1d9c506 upgrade ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
75 };
0358f1d9c506 upgrade ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
76 CxAllocator *cxDefaultAllocator = &cx_default_allocator;
0358f1d9c506 upgrade ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
77
0358f1d9c506 upgrade ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
78 // IMPLEMENTATION OF HIGH LEVEL API
0358f1d9c506 upgrade ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
79
0358f1d9c506 upgrade ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
80 void *cxMalloc(
0358f1d9c506 upgrade ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
81 CxAllocator const *allocator,
0358f1d9c506 upgrade ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
82 size_t n
0358f1d9c506 upgrade ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
83 ) {
0358f1d9c506 upgrade ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
84 return allocator->cl->malloc(allocator->data, n);
0358f1d9c506 upgrade ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
85 }
0358f1d9c506 upgrade ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
86
0358f1d9c506 upgrade ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
87 void *cxRealloc(
0358f1d9c506 upgrade ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
88 CxAllocator const *allocator,
0358f1d9c506 upgrade ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
89 void *mem,
0358f1d9c506 upgrade ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
90 size_t n
0358f1d9c506 upgrade ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
91 ) {
0358f1d9c506 upgrade ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
92 return allocator->cl->realloc(allocator->data, mem, n);
0358f1d9c506 upgrade ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
93 }
0358f1d9c506 upgrade ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
94
0358f1d9c506 upgrade ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
95 int cxReallocate(
0358f1d9c506 upgrade ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
96 CxAllocator const *allocator,
0358f1d9c506 upgrade ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
97 void **mem,
0358f1d9c506 upgrade ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
98 size_t n
0358f1d9c506 upgrade ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
99 ) {
0358f1d9c506 upgrade ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
100 void *nmem = allocator->cl->realloc(allocator->data, *mem, n);
0358f1d9c506 upgrade ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
101 if (nmem == NULL) {
0358f1d9c506 upgrade ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
102 return 1;
0358f1d9c506 upgrade ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
103 } else {
0358f1d9c506 upgrade ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
104 *mem = nmem;
0358f1d9c506 upgrade ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
105 return 0;
0358f1d9c506 upgrade ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
106 }
0358f1d9c506 upgrade ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
107 }
0358f1d9c506 upgrade ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
108
0358f1d9c506 upgrade ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
109 void *cxCalloc(
0358f1d9c506 upgrade ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
110 CxAllocator const *allocator,
0358f1d9c506 upgrade ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
111 size_t nelem,
0358f1d9c506 upgrade ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
112 size_t n
0358f1d9c506 upgrade ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
113 ) {
0358f1d9c506 upgrade ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
114 return allocator->cl->calloc(allocator->data, nelem, n);
0358f1d9c506 upgrade ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
115 }
0358f1d9c506 upgrade ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
116
0358f1d9c506 upgrade ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
117 void cxFree(
0358f1d9c506 upgrade ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
118 CxAllocator const *allocator,
0358f1d9c506 upgrade ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
119 void *mem
0358f1d9c506 upgrade ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
120 ) {
0358f1d9c506 upgrade ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
121 allocator->cl->free(allocator->data, mem);
0358f1d9c506 upgrade ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
122 }

mercurial