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52ad194e | 1 | /* SPDX-License-Identifier: LGPL-2.1+ */ |
60f067b4 JS |
2 | #ifndef foosdcommonhfoo |
3 | #define foosdcommonhfoo | |
4 | ||
5 | /*** | |
6 | This file is part of systemd. | |
7 | ||
8 | Copyright 2013 Lennart Poettering | |
9 | ||
10 | systemd is free software; you can redistribute it and/or modify it | |
11 | under the terms of the GNU Lesser General Public License as published by | |
12 | the Free Software Foundation; either version 2.1 of the License, or | |
13 | (at your option) any later version. | |
14 | ||
15 | systemd is distributed in the hope that it will be useful, but | |
16 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
17 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
18 | Lesser General Public License for more details. | |
19 | ||
20 | You should have received a copy of the GNU Lesser General Public License | |
21 | along with systemd; If not, see <http://www.gnu.org/licenses/>. | |
22 | ***/ | |
23 | ||
24 | /* This is a private header; never even think of including this directly! */ | |
25 | ||
81c58355 MB |
26 | #if defined(__INCLUDE_LEVEL__) && __INCLUDE_LEVEL__ <= 1 |
27 | # error "Do not include _sd-common.h directly; it is a private header." | |
60f067b4 JS |
28 | #endif |
29 | ||
30 | #ifndef _sd_printf_ | |
31 | # if __GNUC__ >= 4 | |
32 | # define _sd_printf_(a,b) __attribute__ ((format (printf, a, b))) | |
33 | # else | |
34 | # define _sd_printf_(a,b) | |
35 | # endif | |
36 | #endif | |
37 | ||
38 | #ifndef _sd_sentinel_ | |
39 | # define _sd_sentinel_ __attribute__((sentinel)) | |
40 | #endif | |
41 | ||
42 | #ifndef _sd_packed_ | |
43 | # define _sd_packed_ __attribute__((packed)) | |
44 | #endif | |
45 | ||
46 | #ifndef _sd_pure_ | |
47 | # define _sd_pure_ __attribute__((pure)) | |
48 | #endif | |
49 | ||
50 | #ifndef _SD_STRINGIFY | |
51 | # define _SD_XSTRINGIFY(x) #x | |
52 | # define _SD_STRINGIFY(x) _SD_XSTRINGIFY(x) | |
53 | #endif | |
54 | ||
55 | #ifndef _SD_BEGIN_DECLARATIONS | |
56 | # ifdef __cplusplus | |
57 | # define _SD_BEGIN_DECLARATIONS \ | |
58 | extern "C" { \ | |
4c89c718 | 59 | struct _sd_useless_struct_to_allow_trailing_semicolon_ |
60f067b4 JS |
60 | # else |
61 | # define _SD_BEGIN_DECLARATIONS \ | |
4c89c718 | 62 | struct _sd_useless_struct_to_allow_trailing_semicolon_ |
60f067b4 JS |
63 | # endif |
64 | #endif | |
65 | ||
66 | #ifndef _SD_END_DECLARATIONS | |
67 | # ifdef __cplusplus | |
68 | # define _SD_END_DECLARATIONS \ | |
69 | } \ | |
4c89c718 | 70 | struct _sd_useless_cpp_struct_to_allow_trailing_semicolon_ |
60f067b4 JS |
71 | # else |
72 | # define _SD_END_DECLARATIONS \ | |
4c89c718 | 73 | struct _sd_useless_struct_to_allow_trailing_semicolon_ |
60f067b4 JS |
74 | # endif |
75 | #endif | |
76 | ||
4c89c718 | 77 | #define _SD_DEFINE_POINTER_CLEANUP_FUNC(type, func) \ |
aa27b158 | 78 | static __inline__ void func##p(type **p) { \ |
4c89c718 MP |
79 | if (*p) \ |
80 | func(*p); \ | |
81 | } \ | |
82 | struct _sd_useless_struct_to_allow_trailing_semicolon_ | |
83 | ||
60f067b4 | 84 | #endif |