codekingpro/portable-devtools

1// -*- C++ -*-2//===--------------------------- limits.h ---------------------------------===//3//4// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.5// See https://llvm.org/LICENSE.txt for license information.6// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception7//8//===----------------------------------------------------------------------===//9 10#ifndef _LIBCUDACXX_LIMITS_H11#define _LIBCUDACXX_LIMITS_H12 13/*14    limits.h synopsis15 16Macros:17 18    CHAR_BIT19    SCHAR_MIN20    SCHAR_MAX21    UCHAR_MAX22    CHAR_MIN23    CHAR_MAX24    MB_LEN_MAX25    SHRT_MIN26    SHRT_MAX27    USHRT_MAX28    INT_MIN29    INT_MAX30    UINT_MAX31    LONG_MIN32    LONG_MAX33    ULONG_MAX34    LLONG_MIN   // C9935    LLONG_MAX   // C9936    ULLONG_MAX  // C9937 38*/39 40#include <__config>41 42#include <__pragma_push>43 44#if defined(_CCCL_IMPLICIT_SYSTEM_HEADER_GCC)45#  pragma GCC system_header46#elif defined(_CCCL_IMPLICIT_SYSTEM_HEADER_CLANG)47#  pragma clang system_header48#elif defined(_CCCL_IMPLICIT_SYSTEM_HEADER_MSVC)49#  pragma system_header50#endif // no system header51 52#ifndef __GNUC__53#include_next <limits.h>54#else55// GCC header limits.h recursively includes itself through another header called56// syslimits.h for some reason. This setup breaks down if we directly57// #include_next GCC's limits.h (reasons not entirely clear to me). Therefore,58// we manually re-create the necessary include sequence below:59 60// Get the system limits.h defines (force recurse into the next level)61#define _GCC_LIMITS_H_62#define _GCC_NEXT_LIMITS_H63#include_next <limits.h>64 65// Get the ISO C defines66#undef _GCC_LIMITS_H_67#include_next <limits.h>68#endif // __GNUC__69 70#include <__pragma_pop>71 72#endif  // _LIBCUDACXX_LIMITS_H73