55 lines
1.5 KiB
C
55 lines
1.5 KiB
C
/* bits.h
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* (c) 2002 Karel 'Clock' Kulhavy
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* This file is a part of the Links program, released under GPL.
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*/
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/* t2c
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* Type that has exactly 2 chars.
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* If there is none, t2c is not defined
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* The type may be signed or unsigned, it doesn't matter
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*/
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#if SIZEOF_UNSIGNED_SHORT == 2
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#define t2c unsigned short
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#elif SIZEOF_UNSIGNED == 2
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#define t2c unsigned
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#elif SIZEOF_UNSIGNED_LONG == 2
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#define t2c unsigned long
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#elif defined(SIZEOF_UNSIGNED_LONG_LONG) && SIZEOF_UNSIGNED_LONG_LONG == 2
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#define t2c unsigned long long
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#endif /* #if sizeof(short) */
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/* t4c
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* Type that has exactly 4 chars.
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* If there is none, t4c is not defined
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* The type may be signed or unsigned, it doesn't matter
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*/
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#if SIZEOF_UNSIGNED_SHORT == 4
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#define t4c unsigned short
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#elif SIZEOF_UNSIGNED == 4
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#define t4c unsigned
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#elif SIZEOF_UNSIGNED_LONG == 4
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#define t4c unsigned long
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#elif defined(SIZEOF_UNSIGNED_LONG_LONG) && SIZEOF_UNSIGNED_LONG_LONG == 4
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#define t4c unsigned long long
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#endif /* #if sizeof(short) */
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/* t8c
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* Type that has exactly 8 chars.
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* If there is none, t8c is not defined
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* The type may be signed or unsigned, it doesn't matter
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*/
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#if SIZEOF_UNSIGNED_SHORT == 8
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#define t8c unsigned short
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#elif SIZEOF_UNSIGNED == 8
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#define t8c unsigned
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#elif SIZEOF_UNSIGNED_LONG == 8
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#define t8c unsigned long
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#elif defined(SIZEOF_UNSIGNED_LONG_LONG) && SIZEOF_UNSIGNED_LONG_LONG == 8
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#define t8c unsigned long long
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#endif /* #if sizeof(short) */
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#ifdef t8c
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#if SIZEOF_UNSIGNED_LONG >= 8 || defined(__x86_64__) || defined(__aarch64__)
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#define t8c_is_efficient
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#endif
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#endif
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