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
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
|
#ifndef NVIM_MEMORY_H
#define NVIM_MEMORY_H
#include <stdbool.h>
#include <stddef.h>
#include <stdint.h>
#include <time.h>
#include "nvim/macros.h"
/// `malloc()` function signature
typedef void *(*MemMalloc)(size_t);
/// `free()` function signature
typedef void (*MemFree)(void *);
/// `calloc()` function signature
typedef void *(*MemCalloc)(size_t, size_t);
/// `realloc()` function signature
typedef void *(*MemRealloc)(void *, size_t);
#ifdef UNIT_TESTING
/// When unit testing: pointer to the `malloc()` function, may be altered
extern MemMalloc mem_malloc;
/// When unit testing: pointer to the `free()` function, may be altered
extern MemFree mem_free;
/// When unit testing: pointer to the `calloc()` function, may be altered
extern MemCalloc mem_calloc;
/// When unit testing: pointer to the `realloc()` function, may be altered
extern MemRealloc mem_realloc;
#endif
#ifdef EXITFREE
/// Indicates that free_all_mem function was or is running
extern bool entered_free_all_mem;
#endif
EXTERN size_t arena_alloc_count INIT(= 0);
typedef struct consumed_blk {
struct consumed_blk *prev;
} *ArenaMem;
#define ARENA_ALIGN MAX(sizeof(void *), sizeof(double))
typedef struct {
char *cur_blk;
size_t pos, size;
} Arena;
// inits an empty arena.
#define ARENA_EMPTY { .cur_blk = NULL, .pos = 0, .size = 0 }
#define kv_fixsize_arena(a, v, s) \
((v).capacity = (s), \
(v).items = (void *)arena_alloc(a, sizeof((v).items[0]) * (v).capacity, true))
#ifdef INCLUDE_GENERATED_DECLARATIONS
# include "memory.h.generated.h"
#endif
#define XFREE_CLEAR(ptr) \
do { \
/* Take the address to avoid double evaluation. #1375 */ \
void **ptr_ = (void **)&(ptr); \
xfree(*ptr_); \
/* coverity[dead-store] */ \
*ptr_ = NULL; \
(void)(*ptr_); \
} while (0)
#endif // NVIM_MEMORY_H
|