1 /* 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 30 extern __mallocfunc void* malloc(size_t); 31 extern __mallocfunc void* calloc(size_t, size_t); 32 extern void* realloc(void *, size_t); 33 extern void free(void *); 34 35 extern void* memalign(size_t alignment, size_t bytesize); 36 extern size_t malloc_usable_size(void*); 37 38 extern void* valloc(size_t bytesize); 39 extern void* pvalloc(size_t bytesize); 40 41 #ifndef STRUCT_MALLINFO_DECLARED 42 #define STRUCT_MALLINFO_DECLARED 1 43 struct 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 57 extern struct mallinfo mallinfo(void); 58 59 __END_DECLS 60 61 #endif /* LIBC_INCLUDE_MALLOC_H_ */ 62