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 | ||
| 20 | /* function attributes, use like | |
| 21 | * void prototype(void) __attribute__((_CONSTRUCTOR(100))); | |
| 22 | */ | |
| 23 | #if defined(__clang__) | |
| 996c9314 | 24 | #if __clang_major__ > 3 || (__clang_major__ == 3 && __clang_minor__ >= 5) |
| de1a880c | 25 | # define _RET_NONNULL , returns_nonnull |
| 996c9314 | 26 | #endif |
| bd27ea43 DL |
27 | #if __has_attribute(fallthrough) |
| 28 | # define _FALLTHROUGH __attribute__((fallthrough)); | |
| 29 | #endif | |
| de1a880c DL |
30 | # define _CONSTRUCTOR(x) constructor(x) |
| 31 | #elif defined(__GNUC__) | |
| 996c9314 | 32 | #if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 9) |
| de1a880c | 33 | # define _RET_NONNULL , returns_nonnull |
| 996c9314 LB |
34 | #endif |
| 35 | #if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 3) | |
| de1a880c DL |
36 | # define _CONSTRUCTOR(x) constructor(x) |
| 37 | # define _DESTRUCTOR(x) destructor(x) | |
| 38 | # define _ALLOC_SIZE(x) alloc_size(x) | |
| 996c9314 | 39 | #endif |
| bd27ea43 DL |
40 | #if __GNUC__ >= 7 |
| 41 | # define _FALLTHROUGH __attribute__((fallthrough)); | |
| 42 | #endif | |
| de1a880c DL |
43 | #endif |
| 44 | ||
| 45 | #ifdef __sun | |
| 46 | /* Solaris doesn't do constructor priorities due to linker restrictions */ | |
| 996c9314 LB |
47 | #undef _CONSTRUCTOR |
| 48 | #undef _DESTRUCTOR | |
| de1a880c DL |
49 | #endif |
| 50 | ||
| 51 | /* fallback versions */ | |
| 52 | #ifndef _RET_NONNULL | |
| 53 | # define _RET_NONNULL | |
| 54 | #endif | |
| 55 | #ifndef _CONSTRUCTOR | |
| 56 | # define _CONSTRUCTOR(x) constructor | |
| 57 | #endif | |
| 58 | #ifndef _DESTRUCTOR | |
| 59 | # define _DESTRUCTOR(x) destructor | |
| 60 | #endif | |
| 61 | #ifndef _ALLOC_SIZE | |
| 62 | # define _ALLOC_SIZE(x) | |
| 63 | #endif | |
| bd27ea43 DL |
64 | #ifndef _FALLTHROUGH |
| 65 | #define _FALLTHROUGH | |
| 66 | #endif | |
| de1a880c DL |
67 | |
| 68 | /* | |
| 69 | * for warnings on macros, put in the macro content like this: | |
| 70 | * #define MACRO BLA CPP_WARN("MACRO has been deprecated") | |
| 71 | */ | |
| 72 | #define CPP_STR(X) #X | |
| 73 | ||
| 74 | #if defined(__ICC) | |
| 75 | #define CPP_NOTICE(text) _Pragma(CPP_STR(message __FILE__ ": " text)) | |
| 76 | #define CPP_WARN(text) CPP_NOTICE(text) | |
| 77 | ||
| 78 | #elif (defined(__GNUC__) \ | |
| 79 | && (__GNUC__ >= 5 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 8))) \ | |
| 80 | || (defined(__clang__) \ | |
| 81 | && (__clang_major__ >= 4 \ | |
| 82 | || (__clang_major__ == 3 && __clang_minor__ >= 5))) | |
| 83 | #define CPP_WARN(text) _Pragma(CPP_STR(GCC warning text)) | |
| 84 | #define CPP_NOTICE(text) _Pragma(CPP_STR(message text)) | |
| 85 | ||
| 86 | #else | |
| 87 | #define CPP_WARN(text) | |
| ec40eaf9 | 88 | #define CPP_NOTICE(text) |
| de1a880c DL |
89 | #endif |
| 90 | ||
| 91 | #endif /* _FRR_COMPILER_H */ |