95 lines
2.8 KiB
C
95 lines
2.8 KiB
C
/****************************************************************************
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* arch/z80/include/ez80/limits.h
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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#ifndef __ARCH_Z80_INCLUDE_EZ80_LIMITS_H
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#define __ARCH_Z80_INCLUDE_EZ80_LIMITS_H
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/****************************************************************************
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* Included Files
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****************************************************************************/
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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#define CHAR_BIT 8
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#define SCHAR_MIN (-SCHAR_MAX - 1)
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#define SCHAR_MAX 127
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#define UCHAR_MAX 255
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/* These could be different on machines where char is unsigned */
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#ifdef __CHAR_UNSIGNED__
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# define CHAR_MIN 0
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# define CHAR_MAX UCHAR_MAX
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#else
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# define CHAR_MIN SCHAR_MIN
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# define CHAR_MAX SCHAR_MAX
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#endif
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#define SHRT_MIN (-SHRT_MAX - 1)
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#define SHRT_MAX 32767
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#define USHRT_MAX 65535U
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#define INT_MIN (-INT_MAX - 1)
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#define INT_MAX 32767
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#define UINT_MAX 65535U
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/* These change on 32-bit and 64-bit platforms */
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#define LONG_MIN (-LONG_MAX - 1)
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#define LONG_MAX 2147483647L
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#define ULONG_MAX 4294967295UL
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/* A pointer is 2 or 3 bytes, depending upon if the ez80 is in z80
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* compatibility mode or not
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*
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* Z80 mode - 16 bits
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* ADL mode - 24 bits
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*/
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#define PTR_MIN (-PTR_MAX - 1)
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#ifdef CONFIG_EZ80_Z80MODE
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# define PTR_MAX 32767
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# define UPTR_MAX 65535U
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#else
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# define PTR_MAX 8388607
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# define UPTR_MAX 16777215U
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#endif
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#ifdef __clang__
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# define LLONG_MIN (-LLONG_MAX - 1)
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# define LLONG_MAX 9223372036854775807LL
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# define ULLONG_MAX 18446744073709551615ULL
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#endif
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#if !defined(__WCHAR_TYPE__)
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# define WCHAR_MIN INT_MIN
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# define WCHAR_MAX INT_MAX
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#elif defined(__WCHAR_UNSIGNED__)
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# define WCHAR_MIN 0
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# define WCHAR_MAX __WCHAR_MAX__
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#else
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# define WCHAR_MIN (-__WCHAR_MAX__ - 1)
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# define WCHAR_MAX __WCHAR_MAX__
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#endif
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#endif /* __ARCH_Z80_INCLUDE_EZ80_LIMITS_H */
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