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      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