projects / mirror_frr.git / blame
| Commit | Line | Data |
|---|---|---|
| de1a880c DL |
1 | /* |
| 2 | * Copyright (c) 2015-2017 David Lamparter, for NetDEF, Inc. | |
| 3 | * | |
| 4 | * Permission to use, copy, modify, and distribute this software for any | |
| 5 | * purpose with or without fee is hereby granted, provided that the above | |
| 6 | * copyright notice and this permission notice appear in all copies. | |
| 7 | * | |
| 8 | * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES | |
| 9 | * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF | |
| 10 | * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR | |
| 11 | * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES | |
| 12 | * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN | |
| 13 | * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF | |
| 14 | * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. | |
| 15 | */ | |
| 16 | ||
| 17 | #ifndef _FRR_COMPILER_H | |
| 18 | #define _FRR_COMPILER_H | |
| 19 | ||
| 5e244469 RW |
20 | #ifdef __cplusplus |
| 21 | extern "C" { | |
| 22 | #endif | |
| 23 | ||
| de1a880c DL |
24 | /* function attributes, use like |
| 25 | * void prototype(void) __attribute__((_CONSTRUCTOR(100))); | |
| 26 | */ | |
| 27 | #if defined(__clang__) | |
| 996c9314 | 28 | #if __clang_major__ > 3 || (__clang_major__ == 3 && __clang_minor__ >= 5) |
| de1a880c | 29 | # define _RET_NONNULL , returns_nonnull |
| 996c9314 | 30 | #endif |
| bd27ea43 DL |
31 | #if __has_attribute(fallthrough) |
| 32 | # define _FALLTHROUGH __attribute__((fallthrough)); | |
| 33 | #endif | |
| de1a880c DL |
34 | # define _CONSTRUCTOR(x) constructor(x) |
| 35 | #elif defined(__GNUC__) | |
| 996c9314 | 36 | #if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 9) |
| de1a880c | 37 | # define _RET_NONNULL , returns_nonnull |
| 996c9314 LB |
38 | #endif |
| 39 | #if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 3) | |
| de1a880c DL |
40 | # define _CONSTRUCTOR(x) constructor(x) |
| 41 | # define _DESTRUCTOR(x) destructor(x) | |
| 42 | # define _ALLOC_SIZE(x) alloc_size(x) | |
| 996c9314 | 43 | #endif |
| bd27ea43 DL |
44 | #if __GNUC__ >= 7 |
| 45 | # define _FALLTHROUGH __attribute__((fallthrough)); | |
| 46 | #endif | |
| de1a880c DL |
47 | #endif |
| 48 | ||
| 49 | #ifdef __sun | |
| 50 | /* Solaris doesn't do constructor priorities due to linker restrictions */ | |
| 996c9314 LB |
51 | #undef _CONSTRUCTOR |
| 52 | #undef _DESTRUCTOR | |
| de1a880c DL |
53 | #endif |
| 54 | ||
| 55 | /* fallback versions */ | |
| 56 | #ifndef _RET_NONNULL | |
| 57 | # define _RET_NONNULL | |
| 58 | #endif | |
| 59 | #ifndef _CONSTRUCTOR | |
| 60 | # define _CONSTRUCTOR(x) constructor | |
| 61 | #endif | |
| 62 | #ifndef _DESTRUCTOR | |
| 63 | # define _DESTRUCTOR(x) destructor | |
| 64 | #endif | |
| 65 | #ifndef _ALLOC_SIZE | |
| 66 | # define _ALLOC_SIZE(x) | |
| 67 | #endif | |
| bd27ea43 DL |
68 | #ifndef _FALLTHROUGH |
| 69 | #define _FALLTHROUGH | |
| 70 | #endif | |
| de1a880c DL |
71 | |
| 72 | /* | |
| 73 | * for warnings on macros, put in the macro content like this: | |
| 74 | * #define MACRO BLA CPP_WARN("MACRO has been deprecated") | |
| 75 | */ | |
| 76 | #define CPP_STR(X) #X | |
| 77 | ||
| 78 | #if defined(__ICC) | |
| 79 | #define CPP_NOTICE(text) _Pragma(CPP_STR(message __FILE__ ": " text)) | |
| 80 | #define CPP_WARN(text) CPP_NOTICE(text) | |
| 81 | ||
| 82 | #elif (defined(__GNUC__) \ | |
| 83 | && (__GNUC__ >= 5 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 8))) \ | |
| 84 | || (defined(__clang__) \ | |
| 85 | && (__clang_major__ >= 4 \ | |
| 86 | || (__clang_major__ == 3 && __clang_minor__ >= 5))) | |
| 87 | #define CPP_WARN(text) _Pragma(CPP_STR(GCC warning text)) | |
| 88 | #define CPP_NOTICE(text) _Pragma(CPP_STR(message text)) | |
| 89 | ||
| 90 | #else | |
| 91 | #define CPP_WARN(text) | |
| ec40eaf9 | 92 | #define CPP_NOTICE(text) |
| de1a880c DL |
93 | #endif |
| 94 | ||
| 5e244469 RW |
95 | #ifdef __cplusplus |
| 96 | } | |
| 97 | #endif | |
| 98 | ||
| de1a880c | 99 | #endif /* _FRR_COMPILER_H */ |