blob: 4464b6cdc113cf61341d5c8410480c6a6974eaad (
plain) (
blame)
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
|
/*
This file is part of libmicrohttpd
Copyright (C) 2021 Karlson2k (Evgeny Grin)
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library.
If not, see <http://www.gnu.org/licenses/>.
*/
/**
* @file microhttpd/mhd_align.h
* @brief types alignment macros
* @author Karlson2k (Evgeny Grin)
*/
#ifndef MHD_ALIGN_H
#define MHD_ALIGN_H 1
#include <stdint.h>
#include "mhd_options.h"
#ifdef HAVE_STDDEF_H
#include <stddef.h>
#endif
#ifdef HAVE_C_ALIGNOF
#ifdef HAVE_STDALIGN_H
#include <stdalign.h>
#endif
#define _MHD_ALIGNOF(type) alignof(type)
#endif /* HAVE_C_ALIGNOF */
#ifdef offsetof
#define _MHD_OFFSETOF(strct, membr) offsetof(strct, membr)
#else /* ! offsetof */
#define _MHD_OFFSETOF(strct, membr) (size_t)(((char*)&(((strct*)0)->membr)) - \
((char*)((strct*)0)))
#endif /* ! offsetof */
/* Provide a limited set of alignment macros */
/* The set could be extended as needed */
#ifdef _MHD_ALIGNOF
#define _MHD_UINT32_ALIGN _MHD_ALIGNOF(uint32_t)
#define _MHD_UINT64_ALIGN _MHD_ALIGNOF(uint64_t)
#else /* ! _MHD_ALIGNOF */
struct _mhd_dummy_uint32_offset_test
{
char dummy;
uint32_t ui32;
};
#define _MHD_UINT32_ALIGN \
_MHD_OFFSETOF(struct _mhd_dummy_uint32_offset_test, ui32)
struct _mhd_dummy_uint64_offset_test
{
char dummy;
uint32_t ui64;
};
#define _MHD_UINT32_ALIGN \
_MHD_OFFSETOF(struct _mhd_dummy_uint64_offset_test, ui64)
#endif /* ! _MHD_ALIGNOF */
#endif /* ! MHD_ALIGN_H */
|
