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complife/src/vec.h

58 lines
1.5 KiB
C

/* vec.h: Vectors
* Created: 2026-03-10
* Author: Aryadev Chavali
* License: See end of file
* Commentary:
Taken from https://github.com/oreodave/prick - prick_vec.
*/
#ifndef VEC_H
#define VEC_H
#include <assert.h>
#include <stddef.h>
#include <stdint.h>
#define VEC_INLINE_CAPACITY 32
#define VEC_MULT 2
typedef struct
{
uint64_t size, capacity;
uint8_t not_inlined;
union
{
void *ptr;
alignas(max_align_t) uint8_t inlined[VEC_INLINE_CAPACITY];
};
} vec_t;
static_assert(sizeof(vec_t) == 64, "Expected sizeof(vec_t) to be 64");
void vec_append(vec_t *vec, const void *const ptr, uint64_t size);
void vec_append_byte(vec_t *vec, uint8_t byte);
u8 *vec_data(vec_t *vec);
void vec_ensure_capacity(vec_t *vec, uint64_t capacity);
void vec_ensure_free(vec_t *vec, uint64_t size);
void vec_free(vec_t *vec);
void vec_clone(vec_t *v2, vec_t *v1);
void *vec_pop(vec_t *vec, size_t member_size);
u64 vec_find(vec_t *vec, void *ptr, size_t ptrsize);
#define VEC_GET(VEC, INDEX, TYPE) (((TYPE *)vec_data(VEC))[INDEX])
#endif
/* Copyright (C) 2026 Aryadev Chavali
* This program 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 Version 2 for
* details.
* You may distribute and modify this code under the terms of the GNU General
* Public License Version 2, which you should have received a copy of along with
* this program. If not, please go to <https://www.gnu.org/licenses/>.
*/