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54 lines
1.7 KiB
54 lines
1.7 KiB
/******************************************************************************
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*
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* Copyright 2014 Google, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at:
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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******************************************************************************/
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#pragma once
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#include <stddef.h>
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#include <stdint.h>
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#include <stdlib.h>
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typedef void* (*alloc_fn)(size_t size);
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typedef void (*free_fn)(void* ptr);
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typedef struct {
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alloc_fn alloc;
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free_fn free;
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} allocator_t;
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// allocator_t abstractions for the osi_*alloc and osi_free functions
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extern const allocator_t allocator_malloc;
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extern const allocator_t allocator_calloc;
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char* osi_strdup(const char* str);
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char* osi_strndup(const char* str, size_t len);
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void* osi_malloc(size_t size);
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void* osi_calloc(size_t size);
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void osi_free(void* ptr);
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// Free a buffer that was previously allocated with function |osi_malloc|
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// or |osi_calloc| and reset the pointer to that buffer to NULL.
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// |p_ptr| is a pointer to the buffer pointer to be reset.
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// |p_ptr| cannot be NULL.
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void osi_free_and_reset(void** p_ptr);
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// Dump allocation-related statistics and debug info to the |fd| file
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// descriptor.
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// The information is in user-readable text format. The |fd| must be valid.
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void osi_allocator_debug_dump(int fd);
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