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53e1b683 | 1 | /* SPDX-License-Identifier: LGPL-2.1+ */ |
aacf3b48 LP |
2 | #ifndef foosdcommonhfoo |
3 | #define foosdcommonhfoo | |
4 | ||
5 | /*** | |
aacf3b48 LP |
6 | systemd is free software; you can redistribute it and/or modify it |
7 | under the terms of the GNU Lesser General Public License as published by | |
8 | the Free Software Foundation; either version 2.1 of the License, or | |
9 | (at your option) any later version. | |
10 | ||
11 | systemd is distributed in the hope that it will be useful, but | |
12 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
14 | Lesser General Public License for more details. | |
15 | ||
16 | You should have received a copy of the GNU Lesser General Public License | |
17 | along with systemd; If not, see <http://www.gnu.org/licenses/>. | |
18 | ***/ | |
19 | ||
10b17992 | 20 | /* This is a private header; never even think of including this directly! */ |
aacf3b48 | 21 | |
1070d271 ZJS |
22 | #if defined(__INCLUDE_LEVEL__) && __INCLUDE_LEVEL__ <= 1 |
23 | # error "Do not include _sd-common.h directly; it is a private header." | |
fd1b903a LP |
24 | #endif |
25 | ||
deae09cc YW |
26 | typedef void (*_sd_destroy_t)(void *userdata); |
27 | ||
aacf3b48 LP |
28 | #ifndef _sd_printf_ |
29 | # if __GNUC__ >= 4 | |
2ee1c55d | 30 | # define _sd_printf_(a,b) __attribute__((__format__(printf, a, b))) |
aacf3b48 LP |
31 | # else |
32 | # define _sd_printf_(a,b) | |
33 | # endif | |
34 | #endif | |
35 | ||
36 | #ifndef _sd_sentinel_ | |
012c2f76 | 37 | # define _sd_sentinel_ __attribute__((__sentinel__)) |
aacf3b48 LP |
38 | #endif |
39 | ||
40 | #ifndef _sd_packed_ | |
012c2f76 | 41 | # define _sd_packed_ __attribute__((__packed__)) |
aacf3b48 LP |
42 | #endif |
43 | ||
98f91566 | 44 | #ifndef _sd_pure_ |
012c2f76 | 45 | # define _sd_pure_ __attribute__((__pure__)) |
98f91566 LP |
46 | #endif |
47 | ||
68312977 LP |
48 | /* Note that strictly speaking __deprecated__ has been available before GCC 6. However, starting with GCC 6 |
49 | * it also works on enum values, which we are interested in. Since this is a developer-facing feature anyway | |
50 | * (as opposed to build engineer-facing), let's hence conditionalize this to gcc 6, given that the developers | |
51 | * are probably going to use something newer anyway. */ | |
52 | #ifndef _sd_deprecated_ | |
53 | # if __GNUC__ >= 6 | |
54 | # define _sd_deprecated_ __attribute__((__deprecated__)) | |
55 | # else | |
56 | # define _sd_deprecated_ | |
57 | # endif | |
58 | #endif | |
59 | ||
0095c454 LP |
60 | #ifndef _SD_STRINGIFY |
61 | # define _SD_XSTRINGIFY(x) #x | |
62 | # define _SD_STRINGIFY(x) _SD_XSTRINGIFY(x) | |
63 | #endif | |
64 | ||
65 | #ifndef _SD_BEGIN_DECLARATIONS | |
66 | # ifdef __cplusplus | |
67 | # define _SD_BEGIN_DECLARATIONS \ | |
68 | extern "C" { \ | |
20ba6c2e | 69 | struct _sd_useless_struct_to_allow_trailing_semicolon_ |
0095c454 LP |
70 | # else |
71 | # define _SD_BEGIN_DECLARATIONS \ | |
20ba6c2e | 72 | struct _sd_useless_struct_to_allow_trailing_semicolon_ |
0095c454 LP |
73 | # endif |
74 | #endif | |
75 | ||
76 | #ifndef _SD_END_DECLARATIONS | |
77 | # ifdef __cplusplus | |
78 | # define _SD_END_DECLARATIONS \ | |
79 | } \ | |
20ba6c2e | 80 | struct _sd_useless_cpp_struct_to_allow_trailing_semicolon_ |
0095c454 LP |
81 | # else |
82 | # define _SD_END_DECLARATIONS \ | |
20ba6c2e | 83 | struct _sd_useless_struct_to_allow_trailing_semicolon_ |
0095c454 | 84 | # endif |
aacf3b48 LP |
85 | #endif |
86 | ||
4199f689 ZJS |
87 | #ifndef _SD_ARRAY_STATIC |
88 | # if __STDC_VERSION__ >= 199901L | |
89 | # define _SD_ARRAY_STATIC static | |
90 | # else | |
91 | # define _SD_ARRAY_STATIC | |
92 | # endif | |
93 | #endif | |
94 | ||
4afd3348 | 95 | #define _SD_DEFINE_POINTER_CLEANUP_FUNC(type, func) \ |
0cb27225 | 96 | static __inline__ void func##p(type **p) { \ |
4afd3348 LP |
97 | if (*p) \ |
98 | func(*p); \ | |
99 | } \ | |
20ba6c2e | 100 | struct _sd_useless_struct_to_allow_trailing_semicolon_ |
4afd3348 | 101 | |
aacf3b48 | 102 | #endif |