kubo/kubo_dynarray.h

92 lines
5.7 KiB
C

/*
* Copyright Luka Jankovic 2025
*
* This file is part of Kubo.
*
* Kubo is free software: you can redistribute it and/or modify it under the
* terms of the GNU General Public License as published by the Free Software
* Foundation, either version 3 of the License, or (at your option) any later
* version.
*
* Kubo 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License along with
* Kubo. If not, see <https://www.gnu.org/licenses/>.
*/
#ifndef KUBO_DYNARRAY_H
#define KUBO_DYNARRAY_H
#include <assert.h>
#include <stdlib.h>
#include <string.h>
#define KUBO_DRYNARRAY_DEFAULT_CAP 4
#define KUBO_DYNARRAY_REGISTER(name, type) \
struct name { \
type *data; \
size_t count; \
size_t capacity; \
}; \
\
static inline void name##_init(struct name *arr) { \
arr->count = 0; \
arr->capacity = KUBO_DRYNARRAY_DEFAULT_CAP; \
arr->data = malloc(sizeof(type) * arr->capacity); \
} \
\
static inline void name##_free(struct name *arr) { free(arr->data); } \
\
static inline bool name##_reserve(struct name *arr, size_t new_cap) { \
if (arr->capacity >= new_cap) \
return true; \
type *new_data = realloc(arr->data, sizeof(type) * new_cap); \
if (!new_data) \
return false; \
arr->data = new_data; \
arr->capacity = new_cap; \
return true; \
} \
\
static inline bool name##_add(struct name *arr, type new_val) { \
if (arr->count == arr->capacity - 1) { \
if (!name##_reserve(arr, arr->capacity * 2)) { \
return false; \
} \
} \
arr->data[arr->count++] = new_val; \
return true; \
} \
\
static inline type name##_get(struct name *arr, size_t index) { \
assert(index < arr->count); \
return arr->data[index]; \
} \
\
static inline void name##_set(struct name *arr, type new_val, \
size_t index) { \
assert(index < arr->count); \
arr->data[index] = new_val; \
} \
\
static inline void name##_pop(struct name *arr) { \
if (arr->count > 0) { \
arr->count--; \
} \
} \
\
static inline void name##_clear(struct name *arr) { \
free(arr->data); \
name##_init(arr); \
} \
\
static inline void name##_del(struct name *arr, size_t index) { \
assert(index < arr->count); \
memmove(arr->data + index, arr->data + index + 1, \
(--arr->count - index) * sizeof(type)); \
}
#endif