blob: aadd021f10c78c6855d4977033ce3da89a1be1b0 (
plain)
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
|
/*
* Copyright (C) the libgit2 contributors. All rights reserved.
*
* This file is part of libgit2, distributed under the GNU GPL v2 with
* a Linking Exception. For full terms see the included COPYING file.
*/
#ifndef INCLUDE_array_h__
#define INCLUDE_array_h__
#include "util.h"
#define git_array_t(type) struct { type *ptr; size_t size, asize; }
#define git_array_init(a) \
do { (a).size = (a).asize = 0; (a).ptr = NULL; } while (0)
#define git_array_clear(a) \
do { git__free((a).ptr); git_array_init(a); } while (0)
#define git_array_grow(a) do { \
void *new_array; size_t new_size = \
((a).asize >= 256) ? (a).asize + 256 : ((a).asize >= 8) ? (a).asize * 2 : 8; \
new_array = git__realloc((a).ptr, new_size * sizeof(*(a).ptr)); \
if (!new_array) { git_array_clear(a); } \
else { (a).ptr = new_array; (a).asize = new_size; } \
} while (0)
#define GITERR_CHECK_ARRAY(a) GITERR_CHECK_ALLOC((a).ptr)
#define git_array_alloc(a, el) do { \
if ((a).size >= (a).asize) git_array_grow(a); \
(el) = (a).ptr ? &(a).ptr[(a).size++] : NULL; \
} while (0)
#define git_array_last(a) ((a).size ? &(a).ptr[(a).size - 1] : NULL)
#define git_array_get(a, i) (((i) < (a).size) ? &(a).ptr[(i)] : NULL)
#define git_array_size(a) (a).size
#endif
|
