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 17Macros: 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 47#ifndef __GNUC__ 48#include_next <limits.h> 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__ 64 65#endif // _LIBCPP_LIMITS_H 66