65 lines
1.9 KiB
C++
65 lines
1.9 KiB
C++
/******************************************************************************
|
|
*
|
|
* Copyright 2014 Google, Inc.
|
|
*
|
|
* 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.
|
|
*
|
|
******************************************************************************/
|
|
|
|
#pragma once
|
|
|
|
#include <stddef.h>
|
|
#include <stdint.h>
|
|
#include <stdlib.h>
|
|
|
|
typedef void* (*alloc_fn)(size_t size);
|
|
typedef void (*free_fn)(void* ptr);
|
|
|
|
typedef struct {
|
|
alloc_fn alloc;
|
|
free_fn free;
|
|
} allocator_t;
|
|
|
|
// allocator_t abstractions for the osi_*alloc and osi_free functions
|
|
extern const allocator_t allocator_malloc;
|
|
extern const allocator_t allocator_calloc;
|
|
|
|
char* osi_strdup(const char* str);
|
|
char* osi_strndup(const char* str, size_t len);
|
|
|
|
void* osi_malloc(size_t size);
|
|
void* osi_calloc(size_t size);
|
|
void osi_free(void* ptr);
|
|
|
|
// Free a buffer that was previously allocated with function |osi_malloc|
|
|
// or |osi_calloc| and reset the pointer to that buffer to NULL.
|
|
// |p_ptr| is a pointer to the buffer pointer to be reset.
|
|
// |p_ptr| cannot be NULL.
|
|
void osi_free_and_reset(void** p_ptr);
|
|
|
|
// Dump allocation-related statistics and debug info to the |fd| file
|
|
// descriptor.
|
|
// The information is in user-readable text format. The |fd| must be valid.
|
|
void osi_allocator_debug_dump(int fd);
|
|
|
|
class OsiObject {
|
|
public:
|
|
OsiObject(void* ptr);
|
|
OsiObject(const void* ptr);
|
|
~OsiObject();
|
|
void* Release();
|
|
|
|
private:
|
|
void* ptr_;
|
|
};
|