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/*
* Copyright (C) 2012 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef LIBC_INCLUDE_MALLOC_H_
#define LIBC_INCLUDE_MALLOC_H_
/*
* Declaration of malloc routines. Bionic uses dlmalloc (see
* upstream-dlmalloc) but doesn't directly include it here to keep the
* defined malloc.h interface small.
*/
#include <sys/cdefs.h>
#include <stddef.h>
__BEGIN_DECLS
#if !defined(__clang__) || __clang_major__ > 3 || (__clang_major__ == 3 && __clang_minor__ < 5)
extern void* malloc(size_t byte_count) __mallocfunc __wur __attribute__((alloc_size(1)));
extern void* calloc(size_t item_count, size_t item_size) __mallocfunc __wur __attribute__((alloc_size(1,2)));
extern void* realloc(void* p, size_t byte_count) __wur __attribute__((alloc_size(2)));
extern void* memalign(size_t alignment, size_t byte_count) __mallocfunc __wur __attribute__((alloc_size(2)));
#else
extern void* malloc(size_t byte_count) __mallocfunc __wur;
extern void* calloc(size_t item_count, size_t item_size) __mallocfunc __wur;
extern void* realloc(void* p, size_t byte_count) __wur;
extern void* memalign(size_t alignment, size_t byte_count) __mallocfunc __wur;
#endif
extern void free(void* p);
extern size_t malloc_usable_size(const void* p);
#ifndef STRUCT_MALLINFO_DECLARED
#define STRUCT_MALLINFO_DECLARED 1
struct mallinfo {
size_t arena; /* Total number of non-mmapped bytes currently allocated from OS. */
size_t ordblks; /* Number of free chunks. */
size_t smblks; /* (Unused.) */
size_t hblks; /* (Unused.) */
size_t hblkhd; /* Total number of bytes in mmapped regions. */
size_t usmblks; /* Maximum total allocated space; greater than total if trimming has occurred. */
size_t fsmblks; /* (Unused.) */
size_t uordblks; /* Total allocated space (normal or mmapped.) */
size_t fordblks; /* Total free space. */
size_t keepcost; /* Upper bound on number of bytes releasable by malloc_trim. */
};
#endif /* STRUCT_MALLINFO_DECLARED */
extern struct mallinfo mallinfo(void);
__END_DECLS
#endif /* LIBC_INCLUDE_MALLOC_H_ */
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