1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
|
#ifndef LSTD_MEMORY_H
#define LSTD_MEMORY_H
#include "types.h"
typedef struct {
void *(*allocate)(usize size, void *ctx);
void *(*allocate_aligned)(usize alignment, usize size, void *ctx);
void *(*allocate_array)(usize count, usize item_size, void *ctx);
void *(*reallocate)(void *ptr, usize old_size, usize new_size, void *ctx);
void (*free)(void *ptr, void *ctx);
void *ctx;
} Allocator;
void *Allocator_allocate(Allocator *allocator, usize size);
void *Allocator_allocate_aligned(Allocator *allocator, usize alignment,
usize size);
void *Allocator_allocate_array(Allocator *allocator, usize count,
usize item_size);
void *Allocator_reallocate(Allocator *allocator, void *ptr, usize old_size,
usize new_size);
void Allocator_free(Allocator *allocator, void *ptr);
extern Allocator system_allocator;
typedef struct {
usize capacity;
usize size;
u8 *data;
} Arena;
Allocator Arena_allocator(Arena *arena);
void Arena_init(Arena *arena, Allocator *allocator, usize size);
void *Arena_allocate(Arena *arena, usize size);
void *Arena_allocate_array(Arena *arena, usize count, usize item_size);
void Arena_clear(Arena *arena);
void Arena_deinit(Arena *arena, Allocator *allocator);
char *memory_clone_string(Allocator *allocator, const char *str);
#endif // LSTD_MEMORY_H
|
