/**************************************************************************** * arch/risc-v/include/limits.h * * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright ownership. The * ASF licenses this file to you under the Apache License, Version 2.0 (the * "License"); you may not use this file except in compliance with the * License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the * License for the specific language governing permissions and limitations * under the License. * ****************************************************************************/ #ifndef __ARCH_RISCV_INCLUDE_LIMITS_H #define __ARCH_RISCV_INCLUDE_LIMITS_H /**************************************************************************** * Included Files ****************************************************************************/ /**************************************************************************** * Pre-processor Definitions ****************************************************************************/ #define CHAR_BIT 8 #define SCHAR_MIN (-SCHAR_MAX - 1) #define SCHAR_MAX 127 #define UCHAR_MAX 255 /* These could be different on machines where char is unsigned */ #ifdef __CHAR_UNSIGNED__ # define CHAR_MIN 0 # define CHAR_MAX UCHAR_MAX #else # define CHAR_MIN SCHAR_MIN # define CHAR_MAX SCHAR_MAX #endif #define SHRT_MIN (-SHRT_MAX - 1) #define SHRT_MAX 32767 #define USHRT_MAX 65535U #define INT_MIN (-INT_MAX - 1) #define INT_MAX 2147483647 #define UINT_MAX 4294967295U /* These change on 32-bit and 64-bit platforms */ #if defined(CONFIG_ARCH_RV32) || defined(CONFIG_ARCH_RV64ILP32) # define LONG_MIN (-LONG_MAX - 1) # define LONG_MAX 2147483647L # define ULONG_MAX 4294967295UL # define LLONG_MIN (-LLONG_MAX - 1) # define LLONG_MAX 9223372036854775807LL # define ULLONG_MAX 18446744073709551615ULL /* A pointer is 4 bytes */ # define PTR_MIN (-PTR_MAX - 1) # define PTR_MAX 2147483647 # define UPTR_MAX 4294967295U #else /* CONFIG_ARCH_RV32 */ # define LONG_MIN (-LONG_MAX - 1) # define LONG_MAX 9223372036854775807L # define ULONG_MAX 18446744073709551615UL # define LLONG_MIN (-LLONG_MAX - 1) # define LLONG_MAX 9223372036854775807LL # define ULLONG_MAX 18446744073709551615ULL # define PTR_MIN (-PTR_MAX - 1) # define PTR_MAX 9223372036854775807 # define UPTR_MAX 18446744073709551615U #endif #if !defined(__WCHAR_TYPE__) # define WCHAR_MIN INT_MIN # define WCHAR_MAX INT_MAX #elif defined(__WCHAR_UNSIGNED__) # define WCHAR_MIN 0 # define WCHAR_MAX __WCHAR_MAX__ #else # define WCHAR_MIN (-__WCHAR_MAX__ - 1) # define WCHAR_MAX __WCHAR_MAX__ #endif #endif /* __ARCH_RISCV_INCLUDE_LIMITS_H */