blob: 49a10e6425fa551cca68ec3e2f07a034182c4b5d [file] [log] [blame]
Dan Albert287553d2017-02-16 10:47:51 -08001/*
2 * Copyright (C) 2012 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17#ifndef LIBC_INCLUDE_MALLOC_H_
18#define LIBC_INCLUDE_MALLOC_H_
19
20/*
21 * Declaration of malloc routines. Bionic uses dlmalloc (see
22 * upstream-dlmalloc) but doesn't directly include it here to keep the
23 * defined malloc.h interface small.
24 */
25#include <sys/cdefs.h>
26#include <stddef.h>
27
28__BEGIN_DECLS
29
30extern __mallocfunc void* malloc(size_t);
31extern __mallocfunc void* calloc(size_t, size_t);
32extern void* realloc(void *, size_t);
33extern void free(void *);
34
35extern void* memalign(size_t alignment, size_t bytesize);
36extern size_t malloc_usable_size(const void*);
37
38extern void* valloc(size_t bytesize);
39extern void* pvalloc(size_t bytesize);
40
41#ifndef STRUCT_MALLINFO_DECLARED
42#define STRUCT_MALLINFO_DECLARED 1
43struct mallinfo {
44 size_t arena;
45 size_t ordblks;
46 size_t smblks;
47 size_t hblks;
48 size_t hblkhd;
49 size_t usmblks;
50 size_t fsmblks;
51 size_t uordblks;
52 size_t fordblks;
53 size_t keepcost;
54};
55#endif /* STRUCT_MALLINFO_DECLARED */
56
57extern struct mallinfo mallinfo(void);
58
59__END_DECLS
60
61#endif /* LIBC_INCLUDE_MALLOC_H_ */