Your code seems to work fine here:

C:\test>\perl32\bin\perl -e"print length(pack('j', -1))*8;"
32
C:\test>perl -e"print length(pack('j', -1))*8;"
64

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In reply to Re^3: reliably test integer size for portable bit-fiddling? by BrowserUk
in thread reliably test integer size for portable bit-fiddling? by wollmers

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