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
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
|
/* SPDX-License-Identifier: LGPL-2.1-or-later */
#ifndef foosdcommonhfoo
#define foosdcommonhfoo
/***
systemd 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.
systemd 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 systemd; If not, see <https://www.gnu.org/licenses/>.
***/
/* This is a private header; never even think of including this directly! */
#if defined(__INCLUDE_LEVEL__) && __INCLUDE_LEVEL__ <= 1 && !defined(__COVERITY__)
# error "Do not include _sd-common.h directly; it is a private header."
#endif
typedef void (*_sd_destroy_t)(void *userdata);
#ifndef _sd_printf_
# if __GNUC__ >= 4
# define _sd_printf_(a,b) __attribute__((__format__(printf, a, b)))
# else
# define _sd_printf_(a,b)
# endif
#endif
#ifndef _sd_sentinel_
# define _sd_sentinel_ __attribute__((__sentinel__))
#endif
#ifndef _sd_packed_
# define _sd_packed_ __attribute__((__packed__))
#endif
#ifndef _sd_pure_
# define _sd_pure_ __attribute__((__pure__))
#endif
/* Note that strictly speaking __deprecated__ has been available before GCC 6. However, starting with GCC 6
* it also works on enum values, which we are interested in. Since this is a developer-facing feature anyway
* (as opposed to build engineer-facing), let's hence conditionalize this to gcc 6, given that the developers
* are probably going to use something newer anyway. */
#ifndef _sd_deprecated_
# if __GNUC__ >= 6
# define _sd_deprecated_ __attribute__((__deprecated__))
# else
# define _sd_deprecated_
# endif
#endif
#ifndef _SD_STRINGIFY
# define _SD_XSTRINGIFY(x) #x
# define _SD_STRINGIFY(x) _SD_XSTRINGIFY(x)
#endif
#ifndef _SD_BEGIN_DECLARATIONS
# ifdef __cplusplus
# define _SD_BEGIN_DECLARATIONS \
extern "C" { \
struct _sd_useless_struct_to_allow_trailing_semicolon_
# else
# define _SD_BEGIN_DECLARATIONS \
struct _sd_useless_struct_to_allow_trailing_semicolon_
# endif
#endif
#ifndef _SD_END_DECLARATIONS
# ifdef __cplusplus
# define _SD_END_DECLARATIONS \
} \
struct _sd_useless_cpp_struct_to_allow_trailing_semicolon_
# else
# define _SD_END_DECLARATIONS \
struct _sd_useless_struct_to_allow_trailing_semicolon_
# endif
#endif
#ifndef _SD_ARRAY_STATIC
# if __STDC_VERSION__ >= 199901L && !defined(__cplusplus)
# define _SD_ARRAY_STATIC static
# else
# define _SD_ARRAY_STATIC
# endif
#endif
#define _SD_DEFINE_POINTER_CLEANUP_FUNC(type, func) \
static __inline__ void func##p(type **p) { \
if (*p) \
func(*p); \
} \
struct _sd_useless_struct_to_allow_trailing_semicolon_
/* The following macro should be used in all public enums, to force 64-bit wideness on them, so that we can
* freely extend them later on, without breaking compatibility. */
#define _SD_ENUM_FORCE_S64(id) \
_SD_##id##_INT64_MIN = INT64_MIN, \
_SD_##id##_INT64_MAX = INT64_MAX
#endif
|
