Add a word of caution about integer arithmetic range and overflow detection.
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2020-12-20 02:59:44 +00:00
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@ -217,3 +217,9 @@ The
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.Nm
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utility conforms to
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.St -p1003.1-2001 .
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.Tn POSIX
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does not specify whether arithmetic overflow is detected, nor does it specify
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the possible range of integer arguments to
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.Nm ,
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so a portable application must assume that the range is small and that
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overflow may not be detected.
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