| Asiri Rathnayake | 8a486ce | 2016-10-10 08:38:51 +0000 | [diff] [blame] | 1 | // -*- C++ -*- |
| 2 | //===--------------------------- limits.h ---------------------------------===// |
| 3 | // |
| 4 | // The LLVM Compiler Infrastructure |
| 5 | // |
| 6 | // This file is dual licensed under the MIT and the University of Illinois Open |
| 7 | // Source Licenses. See LICENSE.TXT for details. |
| 8 | // |
| 9 | //===----------------------------------------------------------------------===// |
| 10 | |
| 11 | #ifndef _LIBCPP_LIMITS_H |
| 12 | #define _LIBCPP_LIMITS_H |
| 13 | |
| 14 | /* |
| 15 | limits.h synopsis |
| 16 | |
| 17 | Macros: |
| 18 | |
| 19 | CHAR_BIT |
| 20 | SCHAR_MIN |
| 21 | SCHAR_MAX |
| 22 | UCHAR_MAX |
| 23 | CHAR_MIN |
| 24 | CHAR_MAX |
| 25 | MB_LEN_MAX |
| 26 | SHRT_MIN |
| 27 | SHRT_MAX |
| 28 | USHRT_MAX |
| 29 | INT_MIN |
| 30 | INT_MAX |
| 31 | UINT_MAX |
| 32 | LONG_MIN |
| 33 | LONG_MAX |
| 34 | ULONG_MAX |
| 35 | LLONG_MIN // C99 |
| 36 | LLONG_MAX // C99 |
| 37 | ULLONG_MAX // C99 |
| 38 | |
| 39 | */ |
| 40 | |
| 41 | #include <__config> |
| 42 | |
| 43 | #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) |
| 44 | #pragma GCC system_header |
| 45 | #endif |
| 46 | |
| Asiri Rathnayake | f7b867b | 2016-10-10 15:56:01 +0000 | [diff] [blame] | 47 | #ifndef __GNUC__ |
| Asiri Rathnayake | 8a486ce | 2016-10-10 08:38:51 +0000 | [diff] [blame] | 48 | #include_next <limits.h> |
| Asiri Rathnayake | f7b867b | 2016-10-10 15:56:01 +0000 | [diff] [blame] | 49 | #else |
| 50 | // GCC header limits.h recursively includes itself through another header called |
| 51 | // syslimits.h for some reason. This setup breaks down if we directly |
| 52 | // #include_next GCC's limits.h (reasons not entirely clear to me). Therefore, |
| 53 | // we manually re-create the necessary include sequence below: |
| 54 | |
| 55 | // Get the system limits.h defines (force recurse into the next level) |
| 56 | #define _GCC_LIMITS_H_ |
| 57 | #define _GCC_NEXT_LIMITS_H |
| 58 | #include_next <limits.h> |
| 59 | |
| 60 | // Get the ISO C defines |
| 61 | #undef _GCC_LIMITS_H_ |
| 62 | #include_next <limits.h> |
| 63 | #endif // __GNUC__ |
| Asiri Rathnayake | 8a486ce | 2016-10-10 08:38:51 +0000 | [diff] [blame] | 64 | |
| 65 | #endif // _LIBCPP_LIMITS_H |