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/******************************************************************************
*
* 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);