Nimrod Gileadi
dae74030fe
Add const to ArrayList function arguments where appropriate. PiperOrigin-RevId: 559064386 Change-Id: I8763974a60a05f34dadd56e953cefa40fe78df42
67 lines
2.0 KiB
C
67 lines
2.0 KiB
C
// Copyright 2023 DeepMind Technologies Limited
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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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#ifndef MUJOCO_SRC_ENGINE_ENGINE_UTIL_CONTAINER_H_
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#define MUJOCO_SRC_ENGINE_ENGINE_UTIL_CONTAINER_H_
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#include <stddef.h>
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#include <mujoco/mjdata.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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//---------------------------------- mjArrayList ---------------------------------------------------
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struct mjArrayList_ {
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// pointer to mjData to allow for growth of the list
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mjData* d;
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// size of element
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size_t element_size;
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// maximum number of elements
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size_t capacity;
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// number of elements in this list
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size_t size;
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// pointer to the next segment of the array list, NULL if last
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struct mjArrayList_* next_segment;
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// buffer for data in this segment stored in d->arena
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void* buffer;
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};
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typedef struct mjArrayList_ mjArrayList;
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// stack allocate and initialize new mjArrayList
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mjArrayList* mju_arrayListCreate(mjData* d, size_t element_size, size_t initial_capacity);
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// returns total number of elements in mjArrayList
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size_t mju_arrayListSize(const mjArrayList* array_list);
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// copies an element into an mjArrayList
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void mju_arrayListAdd(mjArrayList* array_list, void* element);
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// returns a pointer to the element at the specified location of the arraylist
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// NULL returned if index is not in the mjArrayList
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void* mju_arrayListAt(const mjArrayList* array_list, size_t index);
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#ifdef __cplusplus
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}
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#endif
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#endif // MUJOCO_SRC_ENGINE_ENGINE_UTIL_CONTAINER_H_
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