forked from Telodendria/Telodendria
74 lines
1.5 KiB
C
74 lines
1.5 KiB
C
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#ifndef TELODENDRIA_INT_H
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#define TELODENDRIA_INT_H
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#include <limits.h>
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#define BIT64_MAX 18446744073709551615
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#define BIT32_MAX 4294967295
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#define BIT16_MAX 65535
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#define BIT8_MAX 255
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#ifndef UCHAR_MAX
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#error Size of char data type is unknown. Define UCHAR_MAX.
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#endif
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#ifndef USHRT_MAX
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#error Size of short data type is unknown. Define USHRT_MAX.
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#endif
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#ifndef UINT_MAX
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#error Size of int data type is unknown. Define UINT_MAX.
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#endif
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#ifndef ULONG_MAX
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#error Size of long data type is unknown. Define ULONG_MAX.
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#endif
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#if UCHAR_MAX == BIT8_MAX
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typedef signed char Int8;
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typedef unsigned char UInt8;
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#else
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#error Unable to determine suitable data type for 8-bit integers.
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#endif
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#if UINT_MAX == BIT16_MAX
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typedef signed int Int16;
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typedef unsigned int UInt16;
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#elif USHRT_MAX == BIT16_MAX
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typedef signed short Int16;
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typedef unsigned short UInt16;
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#elif UCHAR_MAX == BIT16_MAX
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typedef signed char Int16;
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typedef unsigned char UInt16;
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#else
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#error Unable to determine suitable data type for 16-bit integers.
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#endif
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#if ULONG_MAX == BIT32_MAX
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typedef signed long Int32;
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typedef unsigned long UInt32;
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#elif UINT_MAX == BIT32_MAX
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typedef signed int Int32;
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typedef unsigned int UInt32;
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#elif USHRT_MAX == BIT32_MAX
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typedef signed short Int32;
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typedef unsigned short UInt32;
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#elif UCHAR_MAX == BIT32_MAX
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typedef signed char Int32;
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typedef unsigned char UInt32;
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#else
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#error Unable to determine suitable data type for 32-bit integers.
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#endif
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/* The ANSI C standard only guarantees a data size of up to 32 bits. */
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#endif
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