39 lines
1006 B
C
39 lines
1006 B
C
/*
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* klibc/endian.h
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*
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* Like <endian.h>, but export only double-underscore symbols
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*/
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#ifndef _KLIBC_ENDIAN_H
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#define _KLIBC_ENDIAN_H
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#define __LITTLE_ENDIAN /* we're on i386, littleendian */
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/* Linux' asm/byteorder.h defines either __LITTLE_ENDIAN or
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__BIG_ENDIAN, but the glibc/BSD-ish macros expect both to be
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defined with __BYTE_ORDER defining which is actually used... */
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#if defined(__LITTLE_ENDIAN)
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# undef __LITTLE_ENDIAN
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# define __LITTLE_ENDIAN 1234
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# define __BIG_ENDIAN 4321
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# define __PDP_ENDIAN 3412
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# define __BYTE_ORDER __LITTLE_ENDIAN
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#elif defined(__BIG_ENDIAN)
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# undef __BIG_ENDIAN
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# define __LITTLE_ENDIAN 1234
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# define __BIG_ENDIAN 4321
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# define __PDP_ENDIAN 3412
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# define __BYTE_ORDER __BIG_ENDIAN
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#elif defined(__PDP_ENDIAN)
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# undef __PDP_ENDIAN
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# define __LITTLE_ENDIAN 1234
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# define __BIG_ENDIAN 4321
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# define __PDP_ENDIAN 3412
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# define __BYTE_ORDER __PDP_ENDIAN
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#else
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# error "Unknown byte order!"
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#endif
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#endif /* _KLIBC_ENDIAN_H */
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