146035553Spatrick // -*- C++ -*- 2*4bdff4beSrobert //===----------------------------------------------------------------------===// 346035553Spatrick // 446035553Spatrick // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 546035553Spatrick // See https://llvm.org/LICENSE.txt for license information. 646035553Spatrick // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 746035553Spatrick // 846035553Spatrick //===----------------------------------------------------------------------===// 946035553Spatrick 1046035553Spatrick #ifndef _LIBCPP_LIMITS_H 1146035553Spatrick #define _LIBCPP_LIMITS_H 1246035553Spatrick 1346035553Spatrick /* 1446035553Spatrick limits.h synopsis 1546035553Spatrick 1646035553Spatrick Macros: 1746035553Spatrick 1846035553Spatrick CHAR_BIT 1946035553Spatrick SCHAR_MIN 2046035553Spatrick SCHAR_MAX 2146035553Spatrick UCHAR_MAX 2246035553Spatrick CHAR_MIN 2346035553Spatrick CHAR_MAX 2446035553Spatrick MB_LEN_MAX 2546035553Spatrick SHRT_MIN 2646035553Spatrick SHRT_MAX 2746035553Spatrick USHRT_MAX 2846035553Spatrick INT_MIN 2946035553Spatrick INT_MAX 3046035553Spatrick UINT_MAX 3146035553Spatrick LONG_MIN 3246035553Spatrick LONG_MAX 3346035553Spatrick ULONG_MAX 3446035553Spatrick LLONG_MIN // C99 3546035553Spatrick LLONG_MAX // C99 3646035553Spatrick ULLONG_MAX // C99 3746035553Spatrick 3846035553Spatrick */ 3946035553Spatrick 4046035553Spatrick #include <__config> 4146035553Spatrick 4246035553Spatrick #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 4346035553Spatrick # pragma GCC system_header 4446035553Spatrick #endif 4546035553Spatrick 46*4bdff4beSrobert #ifdef _LIBCPP_COMPILER_GCC 47*4bdff4beSrobert 4846035553Spatrick // GCC header limits.h recursively includes itself through another header called 4946035553Spatrick // syslimits.h for some reason. This setup breaks down if we directly 50*4bdff4beSrobert // #include_next GCC's limits.h (reasons not entirely clear to me). 51*4bdff4beSrobert // See https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107795 for more details. 52*4bdff4beSrobert // Therefore, we manually re-create the necessary include sequence below: 5346035553Spatrick 5446035553Spatrick // Get the system limits.h defines (force recurse into the next level) 5546035553Spatrick #define _GCC_LIMITS_H_ 5646035553Spatrick #define _GCC_NEXT_LIMITS_H 5746035553Spatrick #include_next <limits.h> 5846035553Spatrick 5946035553Spatrick // Get the ISO C defines 6046035553Spatrick #undef _GCC_LIMITS_H_ 6146035553Spatrick #include_next <limits.h> 62*4bdff4beSrobert 63*4bdff4beSrobert #else 64*4bdff4beSrobert 65*4bdff4beSrobert # if __has_include_next(<limits.h>) 66*4bdff4beSrobert # include_next <limits.h> 67*4bdff4beSrobert # endif 68*4bdff4beSrobert 69*4bdff4beSrobert #endif // _LIBCPP_COMPILER_GCC 7046035553Spatrick 7146035553Spatrick #endif // _LIBCPP_LIMITS_H 72