Mark Adler 17068938ce Avoid shift equal to bits in type (caused endless loop). ...

Also clean up comparisons between different types, and some odd
indentation problems that showed up somehow.

A new endless loop was introduced by the clang compiler, which
apparently does odd things when the right operand of << is equal to
or greater than the number of bits in the type.  The C standard in
fact states that the behavior of << is undefined in that case.  The
loop was rewritten to use single-bit shifts.

2012-08-18 18:07:26 -07:00

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