I now see only warnings in relation to left shifts. Anyway, there's obviously something else that's not the right size. (Disappointing that the Judy developers haven't ported this correctly.)

There is a heads-up in the Judy sources that might explain this.

cJU_POP0MASK(7) is defined (in JudyCommon/JudyPrivateBranch.h:129) as:

#define cJU_POP0MASK(cPopBytes) JU_LEASTBYTESMASK(cPopBytes)

[download]

Which is defined (in:JudyCommon/JudyPrivate.h:413) as:

#define JU_LEASTBYTESMASK(BYTES) \
        ((0x100UL << (cJU_BITSPERBYTE * ((BYTES) - 1))) - 1)

[download]

And that is preceded by this comment:

// Note:  This macro has been problematic in the past to get right and to make
// portable.  Its not OK on all systems to shift by the full word size.  This
// macro should allow shifting by 1..N bytes, where N is the word size, but
// should produce a compiler warning if the macro is called with Bytes == 0.

Which may explain the continued warnings.

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In reply to Re^7: Bidirectional lookup algorithm? (Judy) by BrowserUk
in thread Bidirectional lookup algorithm? (Updated: further info.) by BrowserUk

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