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// SPDX-FileCopyrightText: 2024 Lizzy Fleckenstein <lizzy@vlhl.dev>
//
// SPDX-License-Identifier: AGPL-3.0-or-later
#ifndef ARRAY_H
#define ARRAY_H
#include <stddef.h>
#include <string.h>
#include <stdlib.h>
#define len(X) (sizeof X / sizeof *X)
#define array(T) struct { size_t len; T *data; }
#define arraybuf(T) struct { size_t cap; size_t len; T *data; }
#define ARR_REMOVE(A, P) memmove((P), (P)+1, sizeof *(P) * (--(A).len - ((P) - (A).data)));
#define ARR_APPEND(A) (((A).cap == (A).len) \
? (A).data = realloc((A).data, sizeof *(A).data * ((A).cap = (A).cap ? (A).cap * 2 : 1)) \
: NULL, &((A).data)[(A).len++])
#define ARR_ITER(A, I) \
for (typeof((A).data) (I) = (A).data; (size_t) ((I) - (A).data) < (A).len; (I)++)
#endif
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