/usr/include/android/cutils/array.h is in android-libcutils-dev 21-6.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* Copyright (C) 2007 The Android Open Source Project
*
* 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.
*/
/**
* A pointer array which intelligently expands its capacity ad needed.
*/
#ifndef __ARRAY_H
#define __ARRAY_H
#ifdef __cplusplus
extern "C" {
#endif
#include <stdlib.h>
/** An array. */
typedef struct Array Array;
/** Constructs a new array. Returns NULL if we ran out of memory. */
Array* arrayCreate();
/** Frees an array. Does not free elements themselves. */
void arrayFree(Array* array);
/** Adds a pointer. Returns 0 is successful, < 0 otherwise. */
int arrayAdd(Array* array, void* pointer);
/** Gets the pointer at the specified index. */
void* arrayGet(Array* array, int index);
/** Removes the pointer at the given index and returns it. */
void* arrayRemove(Array* array, int index);
/** Sets pointer at the given index. Returns old pointer. */
void* arraySet(Array* array, int index, void* pointer);
/** Sets the array size. Sets new pointers to NULL. Returns 0 if successful, < 0 otherwise . */
int arraySetSize(Array* array, int size);
/** Returns the size of the given array. */
int arraySize(Array* array);
/**
* Returns a pointer to a C-style array which will be valid until this array
* changes.
*/
const void** arrayUnwrap(Array* array);
#ifdef __cplusplus
}
#endif
#endif /* __ARRAY_H */
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