// -*- C++ -*-
//===--------------------------- limits.h ---------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//

#ifndef _LIBCUDACXX_LIMITS_H
#define _LIBCUDACXX_LIMITS_H

/*
    limits.h synopsis

Macros:

    CHAR_BIT
    SCHAR_MIN
    SCHAR_MAX
    UCHAR_MAX
    CHAR_MIN
    CHAR_MAX
    MB_LEN_MAX
    SHRT_MIN
    SHRT_MAX
    USHRT_MAX
    INT_MIN
    INT_MAX
    UINT_MAX
    LONG_MIN
    LONG_MAX
    ULONG_MAX
    LLONG_MIN   // C99
    LLONG_MAX   // C99
    ULLONG_MAX  // C99

*/

#include <__config>

#include <__pragma_push>

#if defined(_CCCL_IMPLICIT_SYSTEM_HEADER_GCC)
#  pragma GCC system_header
#elif defined(_CCCL_IMPLICIT_SYSTEM_HEADER_CLANG)
#  pragma clang system_header
#elif defined(_CCCL_IMPLICIT_SYSTEM_HEADER_MSVC)
#  pragma system_header
#endif // no system header

#ifndef __GNUC__
#include_next <limits.h>
#else
// GCC header limits.h recursively includes itself through another header called
// syslimits.h for some reason. This setup breaks down if we directly
// #include_next GCC's limits.h (reasons not entirely clear to me). Therefore,
// we manually re-create the necessary include sequence below:

// Get the system limits.h defines (force recurse into the next level)
#define _GCC_LIMITS_H_
#define _GCC_NEXT_LIMITS_H
#include_next <limits.h>

// Get the ISO C defines
#undef _GCC_LIMITS_H_
#include_next <limits.h>
#endif // __GNUC__

#include <__pragma_pop>

#endif  // _LIBCUDACXX_LIMITS_H
