97 lines
3.0 KiB
C
97 lines
3.0 KiB
C
/****************************************************************************
|
|
* 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 */
|
|
|
|
#ifdef CONFIG_ARCH_RV32
|
|
# 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 */
|