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/*
* Copyright (C) 2025 Johnny Richard <johnny@johnnyrichard.com>
*
* SPDX-License-Identifier: LGPL-3.0-or-later
*
* This file is part of obe.
*
* obe is free software: you can redistribute it and/or modify it under the
* terms of the GNU Lesser General Public License as published by the Free
* Software Foundation, either version 3 of the License, or (at your option)
* any later version.
*
* obe is distributed in the hope that it will be useful, but WITHOUT ANY
* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
* details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with obe. If not, see <https://www.gnu.org/licenses/>.
*/
#ifndef OBE_ARRAY_H
#define OBE_ARRAY_H
#include <obe/arena.h>
#include <stddef.h>
#define OBE_ARRAY_INITIAL_CAPACITY 4
#define obe_array(arena, T) (T*)obe_array_new((arena), sizeof(T))
#define obe_array_append(arr, item) \
do { \
obe_array_header_t* h = obe_array_get_header(arr); \
if (h->capacity < h->length + 1) { \
arr = obe_array_grow(arr); \
h = obe_array_get_header(arr); \
} \
arr[h->length++] = item; \
} while (0)
typedef struct obe_array_header
{
obe_arena_t* arena;
size_t capacity;
size_t item_size;
size_t length;
} obe_array_header_t;
void*
obe_array_new(obe_arena_t* arena, size_t item_size);
obe_array_header_t*
obe_array_get_header(void* arr);
void*
obe_array_grow(void* arr);
size_t
obe_array_length(void* arr);
#endif /* OBE_ARRAY_H */
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