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