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43 lines
1.0 KiB
C
43 lines
1.0 KiB
C
/*
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* endian.h
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*/
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#ifndef _ENDIAN_H
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#define _ENDIAN_H
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#include <klibc/compiler.h>
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#include <asm/byteorder.h>
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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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#define LITTLE_ENDIAN __LITTLE_ENDIAN
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#define BIG_ENDIAN __BIG_ENDIAN
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#define PDP_ENDIAN __PDP_ENDIAN
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#define BYTE_ORDER __BYTE_ORDER
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#endif /* _ENDIAN_H */
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